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Zhang X, Yang Z, Fu C, Yao R, Li H, Peng F, Li N. Emerging roles of liquid-liquid phase separation in liver innate immunity. Cell Commun Signal 2024; 22:430. [PMID: 39227829 PMCID: PMC11373118 DOI: 10.1186/s12964-024-01787-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Accepted: 08/11/2024] [Indexed: 09/05/2024] Open
Abstract
Biomolecular condensates formed by liquid-liquid phase separation (LLPS) have become an extensive mechanism of macromolecular metabolism and biochemical reactions in cells. Large molecules like proteins and nucleic acids will spontaneously aggregate and assemble into droplet-like structures driven by LLPS when the physical and chemical properties of cells are altered. LLPS provides a mature molecular platform for innate immune response, which tightly regulates key signaling in liver immune response spatially and physically, including DNA and RNA sensing pathways, inflammasome activation, and autophagy. Take this, LLPS plays a promoting or protecting role in a range of liver diseases, such as viral hepatitis, non-alcoholic fatty liver disease, liver fibrosis, hepatic ischemia-reperfusion injury, autoimmune liver disease, and liver cancer. This review systematically describes the whole landscape of LLPS in liver innate immunity. It will help us to guide a better-personalized approach to LLPS-targeted immunotherapy for liver diseases.
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Affiliation(s)
- Xinying Zhang
- Department of Blood Transfusion, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
- NHC Key Laboratory of Cancer Proteomics, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
- Clinical Laboratory, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya Road, Hunan Province, China
| | - Ziyue Yang
- Department of Blood Transfusion, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
- NHC Key Laboratory of Cancer Proteomics, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
| | - Chunmeng Fu
- Department of Blood Transfusion, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
- NHC Key Laboratory of Cancer Proteomics, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
| | - Run Yao
- Department of Blood Transfusion, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
- Clinical Laboratory, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
| | - Huan Li
- Department of Blood Transfusion, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
- Clinical Laboratory, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China
| | - Fang Peng
- Department of Blood Transfusion, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China.
- NHC Key Laboratory of Cancer Proteomics, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China.
| | - Ning Li
- Department of Blood Transfusion, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China.
- Clinical Laboratory, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan Province, 410008, China.
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2
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Liu H, Xie Z, Gao X, Wei L, Li M, Lin Z, Huang X. Lysosomal dysfunction-derived autophagy impairment of gingival epithelial cells in diabetes-associated periodontitis with altered protein acetylation. Cell Signal 2024; 121:111273. [PMID: 38950874 DOI: 10.1016/j.cellsig.2024.111273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 06/08/2024] [Accepted: 06/23/2024] [Indexed: 07/03/2024]
Abstract
Diabetes-associated periodontitis (DP) presents severe inflammation and resistance to periodontal conventional treatment, presenting a significant challenge in clinical management. In this study, we investigated the underlying mechanism driving the hyperinflammatory response in gingival epithelial cells (GECs) of DP patients. Our findings indicate that lysosomal dysfunction under high glucose conditions leads to the blockage of autophagy flux, exacerbating inflammatory response in GECs. Single-cell RNA sequencing and immunohistochemistry analyses of clinical gingival epithelia revealed dysregulation in the lysosome pathway characterized by reduced levels of lysosome-associated membrane glycoprotein 2 (LAMP2) and V-type proton ATPase 16 kDa proteolipid subunit c (ATP6V0C) in subjects with DP. In vitro stimulation of human gingival epithelial cells (HGECs) with a hyperglycemic microenvironment showed elevated release of proinflammatory cytokines, compromised lysosomal acidity and blocked autophagy. Moreover, HGECs with deficiency in ATP6V0C demonstrated impaired autophagy and heightened inflammatory response, mirroring the effects of high glucose stimulation. Proteomic analysis of acetylation modifications identified altered acetylation levels in 28 autophagy-lysosome pathway-related proteins and 37 sites in HGECs subjected to high glucose stimulation or siATP6V0C. Overall, our finding highlights the pivotal role of lysosome impairment in autophagy obstruction in DP and suggests a potential impact of altered acetylation of relevant proteins on the interplay between lysosome dysfunction and autophagy blockage. These insights may pave the way for the development of effective therapeutic strategies against DP.
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Affiliation(s)
- Hui Liu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, Guangdong, 510055, P. R. China
| | - Zhuo Xie
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, Guangdong, 510055, P. R. China
| | - Xianling Gao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, Guangdong, 510055, P. R. China
| | - Linhesheng Wei
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, Guangdong, 510055, P. R. China
| | - Mengdi Li
- Department of Periodontology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology; Shanghai Research Institute of Stomatology, Shanghai 200011, China
| | - Zhengmei Lin
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, Guangdong, 510055, P. R. China.
| | - Xin Huang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, Guangdong, 510055, P. R. China.
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3
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Ma Q, Li H, Song Z, Deng Z, Huang W, Liu Q. Fueling the fight against cancer: Exploring the impact of branched-chain amino acid catalyzation on cancer and cancer immune microenvironment. Metabolism 2024; 161:156016. [PMID: 39222743 DOI: 10.1016/j.metabol.2024.156016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 08/28/2024] [Accepted: 08/30/2024] [Indexed: 09/04/2024]
Abstract
Metabolism of Branched-chain amino acids (BCAAs) is essential for the nutrient necessities in mammals. Catalytic enzymes serve to direct the whole-body BCAAs oxidation which involve in the development of various metabolic disorders. The reprogrammed metabolic elements are also responsible for malignant oncogenic processes, and favor the formation of distinctive immunosuppressive microenvironment surrounding different cancers. The impotent immune surveillance related to BCAAs dysfunction is a novel topic to investigate. Here we focus on the BCAA catalysts that contribute to metabolic changes and dysregulated immune reactions in cancer progression. We summarize the current knowledge of BCAA catalyzation, highlighting the interesting roles of BCAA metabolism in the treatment of cancers.
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Affiliation(s)
- Qianquan Ma
- Department of Neurosurgery, Peking University Third Hospital, Peking University, Beijing, China
| | - Haoyu Li
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China; Clinical Research Center For Skull Base Surgery and Neurooncology In Hunan Province
| | - Zhihao Song
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China; Clinical Research Center For Skull Base Surgery and Neurooncology In Hunan Province
| | - Zhili Deng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China; Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Wei Huang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China; Research Center of Carcinogenesis and Targeted Therapy, Xiangya Hospital, Central South University, Changsha, China; Clinical Research Center For Skull Base Surgery and Neurooncology In Hunan Province.
| | - Qing Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China; Clinical Research Center For Skull Base Surgery and Neurooncology In Hunan Province.
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4
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Wang X, Liu Y, Zhou Y, Li M, Mo T, Xu X, Chen Z, Zhang Y, Yang L. mTORC2 knockdown mediates lipid metabolism to alleviate hyperlipidemic pancreatitis through PPARα. J Biochem Mol Toxicol 2024; 38:e23802. [PMID: 39132808 DOI: 10.1002/jbt.23802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 07/04/2024] [Accepted: 07/30/2024] [Indexed: 08/13/2024]
Abstract
Hyperlipidemic pancreatitis (HP) is an inflammatory injury of the pancreas triggered by elevated serum triglyceride (TG) levels. The mechanistic target of rapamycin (mTOR) signaling pathway plays a crucial role in regulating lipid homeostasis and inflammation. This study aimed to investigate whether the activity of mTOR complex 2 (mTORC2) affects the progression of HP and its underlying mechanisms. In vivo, a high-fat diet and retrograde administration of sodium taurocholate were employed to establish the HP models in rats, with pancreatic tissue pathology evaluated. The expression of Rictor and peroxisome proliferator-activator receptor (PPAR) was examined. The serum levels of TG, fatty acid metabolites, inflammatory and lipid metabolism-related factors were determined. In vitro, pancreatic acinar cells (PACs) were exposed to palmitic acid and cholecystokinin-8. PAC apoptosis, pyroptosis, and ferroptosis were assessed. In the HP models, rats and PACs exhibited upregulated Rictor and downregulated PPARα, and Rictor knockdown promoted PPARα expression. In vivo, Rictor knockdown decreased the serum levels of TG, α-amylase, total cholesterol, low-density lipoprotein cholesterol, lactate dehydrogenase, and inflammatory factors, while increasing high-density lipoprotein cholesterol levels. Rictor knockdown increased ACOX1 and CPT1α and decreased SREBP-1, CD36, SCD1, ACLY, and ACACA. Rictor knockdown reduced damage to pancreatic tissue structure. In vitro, Rictor knockdown inhibited PAC apoptosis, pyroptosis, and ferroptosis. Treatment with the PPARα antagonist GW6471 abolished the beneficial effects of Rictor knockdown. Rictor/mTORC2 deficiency reduces serum TG levels, maintains lipid homeostasis, and suppresses inflammation by inhibiting PPARα expression. Weakening mTORC2 activity holds promise as a novel therapeutic strategy for HP.
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Affiliation(s)
- Xiangyang Wang
- Department of Gastroenterology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Yilei Liu
- Department of Gastroenterology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Yaxiong Zhou
- Department of Gastroenterology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Min Li
- Department of Gastroenterology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Tingting Mo
- Department of Gastroenterology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Xiaoping Xu
- Department of Gastroenterology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Zhiyuan Chen
- Department of Gastroenterology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Yu Zhang
- Department of Gastroenterology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Li Yang
- Department of Gastroenterology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
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Robby AI, Jiang S, Jin EJ, Park SY. Electrochemical and Fluorescence MnO 2-Polymer Dot Electrode Sensor for Osteoarthritis-Based Peroxisomal β-Oxidation Knockout Model. BIOSENSORS 2024; 14:357. [PMID: 39056633 PMCID: PMC11275033 DOI: 10.3390/bios14070357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 07/16/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024]
Abstract
A coenzyme A (CoA-SH)-responsive dual electrochemical and fluorescence-based sensor was designed utilizing an MnO2-immobilized-polymer-dot (MnO2@D-PD)-coated electrode for the sensitive detection of osteoarthritis (OA) in a peroxisomal β-oxidation knockout model. The CoA-SH-responsive MnO2@D-PD-coated electrode interacted sensitively with CoA-SH in OA chondrocytes, triggering electroconductivity and fluorescence changes due to cleavage of the MnO2 nanosheet on the electrode. The MnO2@D-PD-coated electrode can detect CoA-SH in immature articular chondrocyte primary cells, as indicated by the significant increase in resistance in the control medium (R24h = 2.17 MΩ). This sensor also sensitively monitored the increase in resistance in chondrocyte cells in the presence of acetyl-CoA inducers, such as phytol (Phy) and sodium acetate (SA), in the medium (R24h = 2.67, 3.08 MΩ, respectively), compared to that in the control medium, demonstrating the detection efficiency of the sensor towards the increase in the CoA-SH concentration. Furthermore, fluorescence recovery was observed owing to MnO2 cleavage, particularly in the Phy- and SA-supplemented media. The transcription levels of OA-related anabolic (Acan) and catabolic factors (Adamts5) in chondrocytes also confirmed the interaction between CoA-SH and the MnO2@D-PD-coated electrode. Additionally, electrode integration with a wireless sensing system provides inline monitoring via a smartphone, which can potentially be used for rapid and sensitive OA diagnosis.
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Affiliation(s)
- Akhmad Irhas Robby
- Chemical Industry Institute, Korea National University of Transportation, Chungju 27469, Republic of Korea;
- Department of Chemical & Biological Engineering, Korea National University of Transportation, Chungju 27469, Republic of Korea
| | - Songling Jiang
- Integrated Omics Institute, Wonkwang University, Iksan 54538, Republic of Korea;
| | - Eun-Jung Jin
- Integrated Omics Institute, Wonkwang University, Iksan 54538, Republic of Korea;
- Department of Biological Sciences, College of Health Sciences, Wonkwang University, Iksan 54538, Republic of Korea
| | - Sung Young Park
- Chemical Industry Institute, Korea National University of Transportation, Chungju 27469, Republic of Korea;
- Department of Chemical & Biological Engineering, Korea National University of Transportation, Chungju 27469, Republic of Korea
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6
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Liou CJ, Wu SJ, Yang HC, Fang LW, Cheng SC, Huang WC. Licochalcone D ameliorates lipid metabolism in hepatocytes by modulating lipogenesis and autophagy. Eur J Pharmacol 2024; 975:176644. [PMID: 38754535 DOI: 10.1016/j.ejphar.2024.176644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 04/30/2024] [Accepted: 05/13/2024] [Indexed: 05/18/2024]
Abstract
Metabolic dysfunction-associated fatty liver disease is a metabolic disease caused by abnormal lipid accumulation in the liver. Excessive lipid accumulation results in liver inflammation and fibrosis. Previous studies have demonstrated that the chalcone licochalcone D, which is isolated from Glycyrrhiza inflata Batal, has anti-tumor and anti-inflammatory effects. The present study explored whether licochalcone D can regulate lipid accumulation in fatty liver cells. FL83B hepatocytes were incubated with oleic acid to establish a fatty liver cell model, and then treated with licochalcone D to evaluate the molecular mechanisms underlying the regulation of lipid metabolism. In addition, male C57BL/6 mice were fed a methionine/choline-deficient diet to induce an animal model of metabolic dysfunction-associated steatohepatitis (MASH) and given 5 mg/kg licochalcone D by intraperitoneal injection. In cell experiments, licochalcone D significantly reduced lipid accumulation in fatty liver cells and reduced sterol regulatory element-binding protein 1c expression, blocking fatty acid synthase production. Licochalcone D increased adipose triglyceride lipase and carnitine palmitoyltransferase 1 expression, enhancing lipolysis and fatty acid β-oxidation, respectively. Licochalcone D also significantly increased SIRT-1 and AMPK phosphorylation, reducing acetyl-CoA carboxylase phosphorylation and inhibiting fatty acid synthesis. Licochalcone D also increased the fusion of autophagosomes and lysosomes to promote autophagy, reducing oil droplet accumulation in fatty liver cells. In the animal experiments, licochalcone D effectively reduced the number of lipid vacuoles and degree of fibrosis in liver tissue and inhibited liver inflammation. Thus, licochalcone D can improve MASH by reducing lipid accumulation, inhibiting inflammation, and increasing autophagy.
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Affiliation(s)
- Chian-Jiun Liou
- Department of Nursing, Division of Basic Medical Sciences, Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, No.261, Wenhua 1st Rd., Taoyuan City, 33303, Taiwan; Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou, Taoyuan City, 33303, Taiwan
| | - Shu-Ju Wu
- Department of Nutrition and Health Sciences, Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, No.261, Wenhua 1st Rd., Taoyuan City, 33303, Taiwan; Aesthetic Medical Center, Department of Dermatology, Chang Gung Memorial Hospital, Linkou, Taoyuan, 33303, Taiwan
| | - Hui-Chi Yang
- Graduate Institute of Health Industry Technology, Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, No.261, Wenhua 1st Rd., Taoyuan City, 33303, Taiwan
| | - Li-Wen Fang
- Department of Nutrition, I-Shou University, No.8, Yida Rd. Yanchao Dist., Kaohsiung City, Taiwan
| | - Shu-Chen Cheng
- Graduate Institute of Health Industry Technology, Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, No.261, Wenhua 1st Rd., Taoyuan City, 33303, Taiwan; Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Taoyuan, 33303, Taiwan.
| | - Wen-Chung Huang
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou, Taoyuan City, 33303, Taiwan; Graduate Institute of Health Industry Technology, Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, No.261, Wenhua 1st Rd., Taoyuan City, 33303, Taiwan; Department of Pediatrics, New Taipei Municipal TuCheng Hospital (Built and Operated by Chang Gung Medical Foundation), New Taipei, 23656, Taiwan.
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Sun J, Zhang JX, Li MS, Qin MB, Cheng RX, Wu QR, Chen QL, Yang D, Liao C, Liu SQ, Huang JA. Loss of monopolar spindle-binding protein 3B expression promotes colorectal cancer invasiveness by activation of target of rapamycin kinase/autophagy signaling. World J Gastroenterol 2024; 30:3229-3246. [PMID: 39086630 PMCID: PMC11287403 DOI: 10.3748/wjg.v30.i26.3229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 05/28/2024] [Accepted: 06/03/2024] [Indexed: 07/09/2024] Open
Abstract
BACKGROUND Monopolar spindle-binding protein 3B (MOB3B) functions as a signal transducer and altered MOB3B expression is associated with the development of human cancers. AIM To investigate the role of MOB3B in colorectal cancer (CRC). METHODS This study collected 102 CRC tissue samples for immunohistochemical detection of MOB3B expression for association with CRC prognosis. After overexpression and knockdown of MOB3B expression were induced in CRC cell lines, changes in cell viability, migration, invasion, and gene expression were assayed. Tumor cell autophagy was detected using transmission electron microscopy, while nude mouse xenograft experiments were performed to confirm the in-vitro results. RESULTS MOB3B expression was reduced in CRC vs normal tissues and loss of MOB3B expression was associated with poor CRC prognosis. Overexpression of MOB3B protein in vitro attenuated the cell viability as well as the migration and invasion capacities of CRC cells, whereas knockdown of MOB3B expression had the opposite effects in CRC cells. At the molecular level, microtubule-associated protein light chain 3 II/I expression was elevated, whereas the expression of matrix metalloproteinase (MMP)2, MMP9, sequestosome 1, and phosphorylated mechanistic target of rapamycin kinase (mTOR) was downregulated in MOB3B-overexpressing RKO cells. In contrast, the opposite results were observed in tumor cells with MOB3B knockdown. The nude mouse data confirmed these in-vitro findings, i.e., MOB3B expression suppressed CRC cell xenograft growth, whereas knockdown of MOB3B expression promoted the growth of CRC cell xenografts. CONCLUSION Loss of MOB3B expression promotes CRC development and malignant behaviors, suggesting a potential tumor suppressive role of MOB3B in CRC by inhibition of mTOR/autophagy signaling.
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Affiliation(s)
- Juan Sun
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi Zhuang Autonomous Region, China
| | - Jin-Xiu Zhang
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi Zhuang Autonomous Region, China
| | - Meng-Shi Li
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi Zhuang Autonomous Region, China
| | - Meng-Bin Qin
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi Zhuang Autonomous Region, China
| | - Ruo-Xi Cheng
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi Zhuang Autonomous Region, China
| | - Qing-Ru Wu
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi Zhuang Autonomous Region, China
| | - Qiu-Ling Chen
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi Zhuang Autonomous Region, China
| | - Dan Yang
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi Zhuang Autonomous Region, China
| | - Cun Liao
- Department of Colorectal & Anal Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi Zhuang Autonomous Region, China
| | - Shi-Quan Liu
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi Zhuang Autonomous Region, China
| | - Jie-An Huang
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, Guangxi Zhuang Autonomous Region, China
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Wang Y, Vandewalle N, De Veirman K, Vanderkerken K, Menu E, De Bruyne E. Targeting mTOR signaling pathways in multiple myeloma: biology and implication for therapy. Cell Commun Signal 2024; 22:320. [PMID: 38862983 PMCID: PMC11165851 DOI: 10.1186/s12964-024-01699-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 06/03/2024] [Indexed: 06/13/2024] Open
Abstract
Multiple Myeloma (MM), a cancer of terminally differentiated plasma cells, is the second most prevalent hematological malignancy and is incurable due to the inevitable development of drug resistance. Intense protein synthesis is a distinctive trait of MM cells, supporting the massive production of clonal immunoglobulins or free light chains. The mammalian target of rapamycin (mTOR) kinase is appreciated as a master regulator of vital cellular processes, including regulation of metabolism and protein synthesis, and can be found in two multiprotein complexes, mTORC1 and mTORC2. Dysregulation of these complexes is implicated in several types of cancer, including MM. Since mTOR has been shown to be aberrantly activated in a large portion of MM patients and to play a role in stimulating MM cell survival and resistance to several existing therapies, understanding the regulation and functions of the mTOR complexes is vital for the development of more effective therapeutic strategies. This review provides a general overview of the mTOR pathway, discussing key discoveries and recent insights related to the structure and regulation of mTOR complexes. Additionally, we highlight findings on the mechanisms by which mTOR is involved in protein synthesis and delve into mTOR-mediated processes occurring in MM. Finally, we summarize the progress and current challenges of drugs targeting mTOR complexes in MM.
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Affiliation(s)
- Yanmeng Wang
- Translational Oncology Research Center (TORC) - Team Hematology and Immunology (HEIM), Vrije Universiteit Brussel (VUB), Jette, Belgium
| | - Niels Vandewalle
- Translational Oncology Research Center (TORC) - Team Hematology and Immunology (HEIM), Vrije Universiteit Brussel (VUB), Jette, Belgium
| | - Kim De Veirman
- Translational Oncology Research Center (TORC) - Team Hematology and Immunology (HEIM), Vrije Universiteit Brussel (VUB), Jette, Belgium
- Translational Oncology Research Center (TORC) - Team Hematology and Immunology (HEIM), Universitair Ziekenhuis Brussel (UZ Brussel), Jette, Belgium
| | - Karin Vanderkerken
- Translational Oncology Research Center (TORC) - Team Hematology and Immunology (HEIM), Vrije Universiteit Brussel (VUB), Jette, Belgium
| | - Eline Menu
- Translational Oncology Research Center (TORC) - Team Hematology and Immunology (HEIM), Vrije Universiteit Brussel (VUB), Jette, Belgium.
| | - Elke De Bruyne
- Translational Oncology Research Center (TORC) - Team Hematology and Immunology (HEIM), Vrije Universiteit Brussel (VUB), Jette, Belgium.
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9
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Hari A, AbdulHameed MDM, Balik-Meisner MR, Mav D, Phadke DP, Scholl EH, Shah RR, Casey W, Auerbach SS, Wallqvist A, Pannala VR. Exposure to PFAS chemicals induces sex-dependent alterations in key rate-limiting steps of lipid metabolism in liver steatosis. FRONTIERS IN TOXICOLOGY 2024; 6:1390196. [PMID: 38903859 PMCID: PMC11188372 DOI: 10.3389/ftox.2024.1390196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 05/10/2024] [Indexed: 06/22/2024] Open
Abstract
Toxicants with the potential to bioaccumulate in humans and animals have long been a cause for concern, particularly due to their association with multiple diseases and organ injuries. Per- and polyfluoro alkyl substances (PFAS) and polycyclic aromatic hydrocarbons (PAH) are two such classes of chemicals that bioaccumulate and have been associated with steatosis in the liver. Although PFAS and PAH are classified as chemicals of concern, their molecular mechanisms of toxicity remain to be explored in detail. In this study, we aimed to identify potential mechanisms by which an acute exposure to PFAS and PAH chemicals can induce lipid accumulation and whether the responses depend on chemical class, dose, and sex. To this end, we analyzed mechanisms beginning with the binding of the chemical to a molecular initiating event (MIE) and the consequent transcriptomic alterations. We collated potential MIEs using predictions from our previously developed ToxProfiler tool and from published steatosis adverse outcome pathways. Most of the MIEs are transcription factors, and we collected their target genes by mining the TRRUST database. To analyze the effects of PFAS and PAH on the steatosis mechanisms, we performed a computational MIE-target gene analysis on high-throughput transcriptomic measurements of liver tissue from male and female rats exposed to either a PFAS or PAH. The results showed peroxisome proliferator-activated receptor (PPAR)-α targets to be the most dysregulated, with most of the genes being upregulated. Furthermore, PFAS exposure disrupted several lipid metabolism genes, including upregulation of fatty acid oxidation genes (Acadm, Acox1, Cpt2, Cyp4a1-3) and downregulation of lipid transport genes (Apoa1, Apoa5, Pltp). We also identified multiple genes with sex-specific behavior. Notably, the rate-limiting genes of gluconeogenesis (Pck1) and bile acid synthesis (Cyp7a1) were specifically downregulated in male rats compared to female rats, while the rate-limiting gene of lipid synthesis (Scd) showed a PFAS-specific upregulation. The results suggest that the PPAR signaling pathway plays a major role in PFAS-induced lipid accumulation in rats. Together, these results show that PFAS exposure induces a sex-specific multi-factorial mechanism involving rate-limiting genes of gluconeogenesis and bile acid synthesis that could lead to activation of an adverse outcome pathway for steatosis.
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Affiliation(s)
- Archana Hari
- Department of Defense Biotechnology High Performance Computing Software Applications Institute, Telemedicine and Advanced Technology Research Center, U.S. Army Medical Research and Development Command, Fort Detrick, MD, United States
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
| | - Mohamed Diwan M. AbdulHameed
- Department of Defense Biotechnology High Performance Computing Software Applications Institute, Telemedicine and Advanced Technology Research Center, U.S. Army Medical Research and Development Command, Fort Detrick, MD, United States
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
| | | | - Deepak Mav
- Sciome LLC, Research Triangle Park, NC, United States
| | | | | | | | - Warren Casey
- Division of Translational Toxicology, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - Scott S. Auerbach
- Division of Translational Toxicology, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - Anders Wallqvist
- Department of Defense Biotechnology High Performance Computing Software Applications Institute, Telemedicine and Advanced Technology Research Center, U.S. Army Medical Research and Development Command, Fort Detrick, MD, United States
| | - Venkat R. Pannala
- Department of Defense Biotechnology High Performance Computing Software Applications Institute, Telemedicine and Advanced Technology Research Center, U.S. Army Medical Research and Development Command, Fort Detrick, MD, United States
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States
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10
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Zhang H, Sun Q, Dong H, Jin Z, Li M, Jin S, Zeng X, Fan J, Kong Y. Long-chain acyl-CoA synthetase-4 regulates endometrial decidualization through a fatty acid β-oxidation pathway rather than lipid droplet accumulation. Mol Metab 2024; 84:101953. [PMID: 38710444 PMCID: PMC11099325 DOI: 10.1016/j.molmet.2024.101953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/25/2024] [Accepted: 04/29/2024] [Indexed: 05/08/2024] Open
Abstract
OBJECTIVE Lipid metabolism plays an important role in early pregnancy, but its effects on decidualization are poorly understood. Fatty acids (FAs) must be esterified by fatty acyl-CoA synthetases to form biologically active acyl-CoA in order to enter the anabolic and/or catabolic pathway. Long-chain acyl-CoA synthetase 4 (ACSL4) is associated with female reproduction. However, whether it is involved in decidualization is unknown. METHODS The expression of ACSL4 in human and mouse endometrium was detected by immunohistochemistry. ACSL4 levels were regulated by the overexpression of ACSL4 plasmid or ACSL4 siRNA, and the effects of ACSL4 on decidualization markers and morphology of endometrial stromal cells (ESCs) were clarified. A pregnant mouse model was established to determine the effect of ACSL4 on the implantation efficiency of mouse embryos. Modulation of ACSL4 detects lipid anabolism and catabolism. RESULTS Through examining the expression level of ACSL4 in human endometrial tissues during proliferative and secretory phases, we found that ACSL4 was highly expressed during the secretory phase. Knockdown of ACSL4 suppressed decidualization and inhibited the mesenchymal-to-epithelial transition induced by MPA and db-cAMP in ESCs. Further, the knockdown of ACSL4 reduced the efficiency of embryo implantation in pregnant mice. Downregulation of ACSL4 inhibited FA β-oxidation and lipid droplet accumulation during decidualization. Interestingly, pharmacological and genetic inhibition of lipid droplet synthesis did not affect FA β-oxidation and decidualization, while the pharmacological and genetic inhibition of FA β-oxidation increased lipid droplet accumulation and inhibited decidualization. In addition, inhibition of β-oxidation was found to attenuate the promotion of decidualization by the upregulation of ACSL4. The decidualization damage caused by ACSL4 knockdown could be reversed by activating β-oxidation. CONCLUSIONS Our findings suggest that ACSL4 promotes endometrial decidualization by activating the β-oxidation pathway. This study provides interesting insights into our understanding of the mechanisms regulating lipid metabolism during decidualization.
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Affiliation(s)
- Hongshuo Zhang
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China; Advanced Institute for Medical Sciences, Dalian Medical University, Dalian, China
| | - Qianyi Sun
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Haojie Dong
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Zeen Jin
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Mengyue Li
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Shanyuan Jin
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Xiaolan Zeng
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Jianhui Fan
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China.
| | - Ying Kong
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China.
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11
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Lu D, He A, Tan M, Mrad M, El Daibani A, Hu D, Liu X, Kleiboeker B, Che T, Hsu FF, Bambouskova M, Semenkovich CF, Lodhi IJ. Liver ACOX1 regulates levels of circulating lipids that promote metabolic health through adipose remodeling. Nat Commun 2024; 15:4214. [PMID: 38760332 PMCID: PMC11101658 DOI: 10.1038/s41467-024-48471-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 04/29/2024] [Indexed: 05/19/2024] Open
Abstract
The liver gene expression of the peroxisomal β-oxidation enzyme acyl-coenzyme A oxidase 1 (ACOX1), which catabolizes very long chain fatty acids (VLCFA), increases in the context of obesity, but how this pathway impacts systemic energy metabolism remains unknown. Here, we show that hepatic ACOX1-mediated β-oxidation regulates inter-organ communication involved in metabolic homeostasis. Liver-specific knockout of Acox1 (Acox1-LKO) protects mice from diet-induced obesity, adipose tissue inflammation, and systemic insulin resistance. Serum from Acox1-LKO mice promotes browning in cultured white adipocytes. Global serum lipidomics show increased circulating levels of several species of ω-3 VLCFAs (C24-C28) with previously uncharacterized physiological role that promote browning, mitochondrial biogenesis and Glut4 translocation through activation of the lipid sensor GPR120 in adipocytes. This work identifies hepatic peroxisomal β-oxidation as an important regulator of metabolic homeostasis and suggests that manipulation of ACOX1 or its substrates may treat obesity-associated metabolic disorders.
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Affiliation(s)
- Dongliang Lu
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Anyuan He
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA
- School of Life Sciences, Anhui Medical University, Hefei, 230032, China
| | - Min Tan
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Marguerite Mrad
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Amal El Daibani
- Center for Clinical Pharmacology, Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Donghua Hu
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Xuejing Liu
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Brian Kleiboeker
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Tao Che
- Center for Clinical Pharmacology, Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Fong-Fu Hsu
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Monika Bambouskova
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Clay F Semenkovich
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA
- Department of Cell Biology and Physiology; Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Irfan J Lodhi
- Division of Endocrinology, Metabolism & Lipid Research, Washington University School of Medicine, St. Louis, MO, 63110, USA.
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12
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Goetzman ES, Zhang BB, Zhang Y, Bharathi SS, Bons J, Rose J, Shah S, Solo KJ, Schmidt AV, Richert AC, Mullett SJ, Gelhaus SL, Rao KS, Shiva SS, Pfister KE, Silva Barbosa A, Sims-Lucas S, Dobrowolski SF, Schilling B. Dietary dicarboxylic acids provide a non-storable alternative fat source that protects mice against obesity. J Clin Invest 2024; 134:e174186. [PMID: 38687608 PMCID: PMC11178532 DOI: 10.1172/jci174186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 04/23/2024] [Indexed: 05/02/2024] Open
Abstract
Dicarboxylic fatty acids are generated in the liver and kidney in a minor pathway called fatty acid ω-oxidation. The effects of consuming dicarboxylic fatty acids as an alternative source of dietary fat have not been explored. Here, we fed dodecanedioic acid, a 12-carbon dicarboxylic (DC12), to mice at 20% of daily caloric intake for nine weeks. DC12 increased metabolic rate, reduced body fat, reduced liver fat, and improved glucose tolerance. We observed DC12-specific breakdown products in liver, kidney, muscle, heart, and brain, indicating that oral DC12 escaped first-pass liver metabolism and was utilized by many tissues. In tissues expressing the "a" isoform of acyl-CoA oxidase-1 (ACOX1), a key peroxisomal fatty acid oxidation enzyme, DC12 was chain shortened to the TCA cycle intermediate succinyl-CoA. In tissues with low peroxisomal fatty acid oxidation capacity, DC12 was oxidized by mitochondria. In vitro, DC12 was catabolized even by adipose tissue and was not stored intracellularly. We conclude that DC12 and other dicarboxylic acids may be useful for combatting obesity and for treating metabolic disorders.
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Affiliation(s)
- Eric S. Goetzman
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Bob B. Zhang
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Yuxun Zhang
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Sivakama S. Bharathi
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Joanna Bons
- The Buck Institute for Research on Aging, Novato, California, USA
| | - Jacob Rose
- The Buck Institute for Research on Aging, Novato, California, USA
| | - Samah Shah
- The Buck Institute for Research on Aging, Novato, California, USA
| | - Keaton J. Solo
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Alexandra V. Schmidt
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Adam C. Richert
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Steven J. Mullett
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Health Sciences Mass Spectrometry Core, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Stacy L. Gelhaus
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Health Sciences Mass Spectrometry Core, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Krithika S. Rao
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Vascular Medicine Institute and
| | - Sruti S. Shiva
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Vascular Medicine Institute and
| | - Katherine E. Pfister
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Anne Silva Barbosa
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Sunder Sims-Lucas
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Steven F. Dobrowolski
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Birgit Schilling
- The Buck Institute for Research on Aging, Novato, California, USA
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13
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Flori E, Cavallo A, Mosca S, Kovacs D, Cota C, Zaccarini M, Di Nardo A, Bottillo G, Maiellaro M, Camera E, Cardinali G. JAK/STAT Inhibition Normalizes Lipid Composition in 3D Human Epidermal Equivalents Challenged with Th2 Cytokines. Cells 2024; 13:760. [PMID: 38727296 PMCID: PMC11083560 DOI: 10.3390/cells13090760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
Derangement of the epidermal barrier lipids and dysregulated immune responses are key pathogenic features of atopic dermatitis (AD). The Th2-type cytokines interleukin IL-4 and IL-13 play a prominent role in AD by activating the Janus Kinase/Signal Transduction and Activator of Transcription (JAK/STAT) intracellular signaling axis. This study aimed to investigate the role of JAK/STAT in the lipid perturbations induced by Th2 signaling in 3D epidermal equivalents. Tofacitinib, a low-molecular-mass JAK inhibitor, was used to screen for JAK/STAT-mediated deregulation of lipid metabolism. Th2 cytokines decreased the expression of elongases 1, 3, and 4 and serine-palmitoyl-transferase and increased that of sphingolipid delta(4)-desaturase and carbonic anhydrase 2. Th2 cytokines inhibited the synthesis of palmitoleic acid and caused depletion of triglycerides, in association with altered phosphatidylcholine profiles and fatty acid (FA) metabolism. Overall, the ceramide profiles were minimally affected. Except for most sphingolipids and very-long-chain FAs, the effects of Th2 on lipid pathways were reversed by co-treatment with tofacitinib. An increase in the mRNA levels of CPT1A and ACAT1, reduced by tofacitinib, suggests that Th2 cytokines promote FA beta-oxidation. In conclusion, pharmacological inhibition of JAK/STAT activation prevents the lipid disruption caused by the halted homeostasis of FA metabolism.
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Affiliation(s)
- Enrica Flori
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (E.F.); (A.C.); (S.M.); (D.K.); (A.D.N.); (G.B.); (M.M.); (G.C.)
| | - Alessia Cavallo
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (E.F.); (A.C.); (S.M.); (D.K.); (A.D.N.); (G.B.); (M.M.); (G.C.)
| | - Sarah Mosca
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (E.F.); (A.C.); (S.M.); (D.K.); (A.D.N.); (G.B.); (M.M.); (G.C.)
| | - Daniela Kovacs
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (E.F.); (A.C.); (S.M.); (D.K.); (A.D.N.); (G.B.); (M.M.); (G.C.)
| | - Carlo Cota
- Genetic Research, Molecular Biology and Dermatopathology Unit, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (C.C.); (M.Z.)
| | - Marco Zaccarini
- Genetic Research, Molecular Biology and Dermatopathology Unit, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (C.C.); (M.Z.)
| | - Anna Di Nardo
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (E.F.); (A.C.); (S.M.); (D.K.); (A.D.N.); (G.B.); (M.M.); (G.C.)
| | - Grazia Bottillo
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (E.F.); (A.C.); (S.M.); (D.K.); (A.D.N.); (G.B.); (M.M.); (G.C.)
| | - Miriam Maiellaro
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (E.F.); (A.C.); (S.M.); (D.K.); (A.D.N.); (G.B.); (M.M.); (G.C.)
| | - Emanuela Camera
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (E.F.); (A.C.); (S.M.); (D.K.); (A.D.N.); (G.B.); (M.M.); (G.C.)
| | - Giorgia Cardinali
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy; (E.F.); (A.C.); (S.M.); (D.K.); (A.D.N.); (G.B.); (M.M.); (G.C.)
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14
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Wu M, Tie M, Hu L, Yang Y, Chen Y, Ferguson D, Chen Y, He A. Fatty liver disease protective MTARC1 p.A165T variant reduces the protein stability of MTARC1. Biochem Biophys Res Commun 2024; 702:149655. [PMID: 38340654 PMCID: PMC10940201 DOI: 10.1016/j.bbrc.2024.149655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 01/31/2024] [Accepted: 02/06/2024] [Indexed: 02/12/2024]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is one of the most common causes of liver disease worldwide. MTARC1, encoded by the MTARC1 gene, is a mitochondrial outer membrane-anchored enzyme. Interestingly, the MTARC1 p.A165T (rs2642438) variant is associated with a decreased risk of NAFLD, indicating that MTARC1 might be an effective target. It has been reported that the rs2642438 variant does not have altered enzymatic activity so we reasoned that this variation may affect MTARC1 stability. In this study, MTARC1 mutants were generated and stability was assessed using a protein stability reporter system both in vitro and in vivo. We found that the MTARC1 p.A165T variant has dramatically reduced the stability of MTARC1, as assessed in several cell lines. In mice, the MTARC1 A168T mutant, the equivalent of human MTARC1 A165T, had diminished stability in mouse liver. Additionally, several MTARC1 A165 mutants, including A165S, A165 N, A165V, A165G, and A165D, had dramatically decreased stability as well, suggesting that the alanine residue of MTARC1 165 site is essential for MTARC1 protein stability. Collectively, our data indicates that the MTARC1 p.A165T variant (rs2642438) leads to reduced stability of MTARC1. Given that carriers of rs2642438 show a decreased risk of NAFLD, the findings herein support the notion that MTARC1 inhibition may be a therapeutic target to combat NAFLD.
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Affiliation(s)
- Mengyue Wu
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Meng Tie
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Liwei Hu
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Yunzhi Yang
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Yong Chen
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Daniel Ferguson
- Division of Nutritional Science and Obesity Medicine, Washington University in St. Louis, United States
| | - Yali Chen
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China.
| | - Anyuan He
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Anhui Medical University, Hefei, 230032, Anhui, China; Department of Biochemistry and Molecular Biology, College of Life Sciences, Anhui Medical University, Hefei, 230032, Anhui, China.
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15
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Ding L, Huwyler F, Long F, Yang W, Binz J, Wernlé K, Pfister M, Klug M, Balaz M, Ukropcova B, Ukropec J, Wu C, Wang T, Gao M, Clavien PA, Dutkowski P, Tibbitt MW, Wolfrum C. Glucose controls lipolysis through Golgi PtdIns4P-mediated regulation of ATGL. Nat Cell Biol 2024; 26:552-566. [PMID: 38561547 PMCID: PMC11021197 DOI: 10.1038/s41556-024-01386-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 02/23/2024] [Indexed: 04/04/2024]
Abstract
Metabolic crosstalk of the major nutrients glucose, amino acids and fatty acids (FAs) ensures systemic metabolic homeostasis. The coordination between the supply of glucose and FAs to meet various physiological demands is especially important as improper nutrient levels lead to metabolic disorders, such as diabetes and metabolic dysfunction-associated steatohepatitis (MASH). In response to the oscillations in blood glucose levels, lipolysis is thought to be mainly regulated hormonally to control FA liberation from lipid droplets by insulin, catecholamine and glucagon. However, whether general cell-intrinsic mechanisms exist to directly modulate lipolysis via glucose sensing remains largely unknown. Here we report the identification of such an intrinsic mechanism, which involves Golgi PtdIns4P-mediated regulation of adipose triglyceride lipase (ATGL)-driven lipolysis via intracellular glucose sensing. Mechanistically, depletion of intracellular glucose results in lower Golgi PtdIns4P levels, and thus reduced assembly of the E3 ligase complex CUL7FBXW8 in the Golgi apparatus. Decreased levels of the E3 ligase complex lead to reduced polyubiquitylation of ATGL in the Golgi and enhancement of ATGL-driven lipolysis. This cell-intrinsic mechanism regulates both the pool of intracellular FAs and their extracellular release to meet physiological demands during fasting and glucose deprivation. Moreover, genetic and pharmacological manipulation of the Golgi PtdIns4P-CUL7FBXW8-ATGL axis in mouse models of simple hepatic steatosis and MASH, as well as during ex vivo perfusion of a human steatotic liver graft leads to the amelioration of steatosis, suggesting that this pathway might be a promising target for metabolic dysfunction-associated steatotic liver disease and possibly MASH.
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Affiliation(s)
- Lianggong Ding
- Institute of Food, Nutrition and Health, ETH Zürich, Schwerzenbach, Switzerland
| | - Florian Huwyler
- Macromolecular Engineering Laboratory, Institute of Energy and Process Engineering, ETH Zürich, Zurich, Switzerland
| | - Fen Long
- Institute of Food, Nutrition and Health, ETH Zürich, Schwerzenbach, Switzerland
| | - Wu Yang
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, China
| | - Jonas Binz
- Macromolecular Engineering Laboratory, Institute of Energy and Process Engineering, ETH Zürich, Zurich, Switzerland
| | - Kendra Wernlé
- Department of Surgery and Transplantation, University of Zurich, Zurich, Switzerland
- Wyss Zurich Translational Center, ETH Zurich and University of Zurich, Zurich, Switzerland
| | - Matthias Pfister
- Department of Surgery and Transplantation, University of Zurich, Zurich, Switzerland
- Wyss Zurich Translational Center, ETH Zurich and University of Zurich, Zurich, Switzerland
| | - Manuel Klug
- Institute of Food, Nutrition and Health, ETH Zürich, Schwerzenbach, Switzerland
| | - Miroslav Balaz
- Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Barbara Ukropcova
- Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Jozef Ukropec
- Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Chunyan Wu
- Institute of Food, Nutrition and Health, ETH Zürich, Schwerzenbach, Switzerland
| | - Tongtong Wang
- Institute of Food, Nutrition and Health, ETH Zürich, Schwerzenbach, Switzerland
| | - Min Gao
- Institute of Food, Nutrition and Health, ETH Zürich, Schwerzenbach, Switzerland
- Department of Pharmacy, the Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Pierre-Alain Clavien
- Department of Surgery and Transplantation, University of Zurich, Zurich, Switzerland
- Wyss Zurich Translational Center, ETH Zurich and University of Zurich, Zurich, Switzerland
| | - Philipp Dutkowski
- Department of Surgery and Transplantation, University of Zurich, Zurich, Switzerland
| | - Mark W Tibbitt
- Macromolecular Engineering Laboratory, Institute of Energy and Process Engineering, ETH Zürich, Zurich, Switzerland
- Wyss Zurich Translational Center, ETH Zurich and University of Zurich, Zurich, Switzerland
| | - Christian Wolfrum
- Institute of Food, Nutrition and Health, ETH Zürich, Schwerzenbach, Switzerland.
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Yang Y, Yuan W, He K, Lin C, Du S, Kou Y, Nie B. Inhibition of ACOX1 enhances the therapeutic efficacy of obeticholic acid in treating non-alcoholic fatty liver disease and mitigates its lipotoxicity. Front Pharmacol 2024; 15:1366479. [PMID: 38595921 PMCID: PMC11003388 DOI: 10.3389/fphar.2024.1366479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 03/04/2024] [Indexed: 04/11/2024] Open
Abstract
Background and aims High-dose Obeticholic acid exhibits promise for non-alcoholic fatty liver disease (NAFLD) treatment but can induce lipotoxicity. Our study sought to understand this mechanism and propose a solution. Approach and Results In a non-alcoholic fatty liver disease (NAFLD) model induced by a high-fat diet in FXR-/- mice, we pinpointed that FXR regulated the expression of ACOX1 through RNA-Seq analysis. In the livers of FXR-/- mice, both ACOX1 mRNA and protein expression notably decreased. In both HL-7702 and HEP-G2 cells, the silencing of FXR through shRNA plasmids decreased ACOX1 expression, while FXR activation with GW4064 increased it. These effects were reversible with the ACOX1-specific inhibitor, 10,12-Tricosadiynoic acid. In the NAFLD model of FXR-/- mice, The activation of ACOX1 is correlated with elevated serum LDL, triglycerides, and aggravated hepatic steatosis. However, the combination of 10,12-Tricosadiynoic acid with low-dose obeticholic acid effectively treated hepatic steatosis, reducing LDL levels in the NAFLD model of wild-type mice. This combination therapy demonstrated efficacy comparable to high-dose obeticholic acid alone. Notably, the combined drug regimen treats hepatic steatosis by inhibiting the IL-1β and α-SMA pathways in NAFLD. Conclusion Combining ACOX1-specific inhibitors with low-dose obeticholic acid effectively treats high-fat diet-induced hepatic steatosis and reduces serum LDL. This approach enhances the therapeutic effects of obeticholic acid and mitigates its lipotoxicity by inhibiting the IL-1β and α-SMA pathways.
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Affiliation(s)
- Yuping Yang
- Department of Gastroenterology, Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, Guangdong, China
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, Guangdong, China
| | - Weinan Yuan
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, Guangdong, China
| | - Kun He
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, Guangdong, China
| | - Chuangzhen Lin
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, Guangdong, China
- Department of Gastroenterology, Inflammatory Bowel Diseases Research Center, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Shenshen Du
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, Guangdong, China
| | - Yanqi Kou
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, Guangdong, China
| | - Biao Nie
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, Guangdong, China
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Fei CJ, Li ZY, Ning J, Yang L, Wu BS, Kang JJ, Liu WS, He XY, You J, Chen SD, Yu H, Huang ZL, Feng JF, Yu JT, Cheng W. Exome sequencing identifies genes associated with sleep-related traits. Nat Hum Behav 2024; 8:576-589. [PMID: 38177695 DOI: 10.1038/s41562-023-01785-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 11/15/2023] [Indexed: 01/06/2024]
Abstract
Sleep is vital for human health and has a moderate heritability. Previous genome-wide association studies have limitations in capturing the role of rare genetic variants in sleep-related traits. Here we conducted a large-scale exome-wide association study of eight sleep-related traits (sleep duration, insomnia symptoms, chronotype, daytime sleepiness, daytime napping, ease of getting up in the morning, snoring and sleep apnoea) among 450,000 participants from UK Biobank. We identified 22 new genes associated with chronotype (ADGRL4, COL6A3, CLK4 and KRTAP3-3), daytime sleepiness (ST3GAL1 and ANKRD12), daytime napping (PLEKHM1, ANKRD12 and ZBTB21), snoring (WDR59) and sleep apnoea (13 genes). Notably, 20 of these genes were confirmed to be significantly associated with sleep disorders in the FinnGen cohort. Enrichment analysis revealed that these discovered genes were enriched in circadian rhythm and central nervous system neurons. Phenotypic association analysis showed that ANKRD12 was associated with cognition and inflammatory traits. Our results demonstrate the value of large-scale whole-exome analysis in understanding the genetic architecture of sleep-related traits and potential biological mechanisms.
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Affiliation(s)
- Chen-Jie Fei
- Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Ze-Yu Li
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China
- Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence, Fudan University, Ministry of Education, Shanghai, China
| | - Jing Ning
- Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Liu Yang
- Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Bang-Sheng Wu
- Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Ju-Jiao Kang
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China
- Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence, Fudan University, Ministry of Education, Shanghai, China
| | - Wei-Shi Liu
- Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Xiao-Yu He
- Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jia You
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China
- Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence, Fudan University, Ministry of Education, Shanghai, China
| | - Shi-Dong Chen
- Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Huan Yu
- Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zhi-Li Huang
- Department of Pharmacology, School of Basic Medical Sciences, State Key Laboratory of Medical Neurobiology, Institutes of Brain Science and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, China
| | - Jian-Feng Feng
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China
- Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence, Fudan University, Ministry of Education, Shanghai, China
- Department of Computer Science, University of Warwick, Coventry, UK
| | - Jin-Tai Yu
- Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China.
| | - Wei Cheng
- Department of Neurology and National Center for Neurological Disorders, Huashan Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Shanghai Medical College, Fudan University, Shanghai, China.
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China.
- Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence, Fudan University, Ministry of Education, Shanghai, China.
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18
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Song H, Li H, Lu J, Chen M, Cao Y, Chu Q. Chaenomeles sinensis (Thouin) Koehne fruit polyphenols alleviate high-fat diet-induced obesity and liver steatosis by improving lipid metabolism in mice. Nutr Res 2024; 123:111-119. [PMID: 38310647 DOI: 10.1016/j.nutres.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 01/14/2024] [Accepted: 01/15/2024] [Indexed: 02/06/2024]
Abstract
Chaenomeles sinensis (Thouin) Koehne fruit is a rich source of medicinally and nutritionally important natural phytochemicals that benefit human health. Based on the information provided, we hypothesized that Chaenomeles sinensis (Thouin) Koehne fruit polyphenols (CSFP) possessed in vivo protective effect of on high-fat diet (HFD)-induced obesity and hepatic steatosis. Specific pathogen-free male C57BL/6J mice were randomly divided into 3 groups and fed with a low-fat diet, HFD, or HFD supplemented with CSFP by intragastric administration for 14 weeks. Obesity-related biochemical indexes and hepatic gene expression profile were determined. The findings of this study demonstrated notable reductions in body weight gain, serum triglycerides, total cholesterol, low-density lipoprotein cholesterol, and steatosis grade in the group supplemented with CSFP compared with the HFD group. Gene expression analysis provided insights into the molecular mechanisms, demonstrating that CSFP downregulated the expression of key genes involved in lipogenesis (e.g., Fas, Fads2, Scd1) and upregulated the genes associated with fatty acid oxidation (e.g., Pparα, Cpt1a, Acox1), while also suppressing genes implicated in cholesterol homeostasis (e.g., HMGCoR, Insig1, AdipoR2). These molecular changes suggest that CSFP exerts protective effects by modulating hepatic lipid metabolism pathways, thereby mitigating the metabolic derangements associated with HFD-induced obesity and hepatic steatosis.
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Affiliation(s)
- Haizhao Song
- College of Food Science and Engineering, Nanjing University of Finance and Economics/ Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China.
| | - Hong Li
- College of Food Science and Engineering, Nanjing University of Finance and Economics/ Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Jing Lu
- College of Food Science and Engineering, Nanjing University of Finance and Economics/ Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Minfang Chen
- College of Food Science and Engineering, Nanjing University of Finance and Economics/ Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Yubo Cao
- College of Food Science and Engineering, Nanjing University of Finance and Economics/ Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Qiang Chu
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
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Nie Q, Li M, Huang C, Yuan Y, Liang Q, Ma X, Qiu T, Li J. The clinical efficacy and safety of berberine in the treatment of non-alcoholic fatty liver disease: a meta-analysis and systematic review. J Transl Med 2024; 22:225. [PMID: 38429794 PMCID: PMC10908013 DOI: 10.1186/s12967-024-05011-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 02/20/2024] [Indexed: 03/03/2024] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is becoming increasingly prevalent worldwide, emerging as a significant health issue on a global scale. Berberine exhibits potential for treating NAFLD, but clinical evidence remains inconclusive. This meta-analysis was conducted to assess the efficacy and safety of berberine for treating NAFLD. METHODS This study was registered with PROSPERO (No. CRD42023462338). Identification of randomized controlled trials (RCTs) involved searching 6 databases covering the period from their initiation to 9 September 2023. The primary outcomes comprised liver function markers such as glutamyl transpeptidase (GGT), alanine transaminase (ALT), aspartate transaminase (AST), lipid indices including total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C) and high-density lipoprotein cholesterol (HDL-C), homeostasis model assessment for insulin resistance (HOMA-IR) and body mass index (BMI). Review Manager 5.4 and STATA 17.0 were applied for analysis. RESULTS Among 10 RCTs involving 811 patients, berberine demonstrated significant reductions in various parameters: ALT (standardized mean difference (SMD) = - 0.72), 95% confidence interval (Cl) [- 1.01, - 0.44], P < 0.00001), AST (SMD = - 0.79, 95% CI [- 1.17, - 0.40], P < 0.0001), GGT (SMD = - 0.62, 95% CI [- 0.95, - 0.29], P = 0.0002), TG (SMD = - 0.59, 95% CI [- 0.86, - 0.31], P < 0.0001), TC(SMD = - 0.74, 95% CI [- 1.00, - 0.49], P < 0.00001), LDL-C (SMD = - 0.53, 95% CI [- 0.88, - 0.18], P = 0.003), HDL-C (SMD = - 0.51, 95% CI [- 0.12, 1.15], P = 0.11), HOMA-IR (SMD = - 1.56, 95% CI [- 2.54, - 0.58], P = 0.002), and BMI (SMD = - 0.58, 95% CI [- 0.77, - 0.38], P < 0.00001). Importantly, Berberine exhibited a favorable safety profile, with only mild gastrointestinal adverse events reported. CONCLUSION This meta-analysis demonstrates berberine's efficacy in improving liver enzymes, lipid profile, and insulin sensitivity in NAFLD patients. These results indicate that berberine shows promise as an adjunct therapy for NAFLD. Trial registration The protocol was registered with PROSPERO (No. CRD42023462338). Registered on September 27, 2023.
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Affiliation(s)
- Qilong Nie
- The Eighth Clinical Medical College, Guangzhou University of Chinese Medicine, Foshan, 528051, Guangdong, China
| | - Mingyang Li
- The Eighth Clinical Medical College, Guangzhou University of Chinese Medicine, Foshan, 528051, Guangdong, China
| | - Caiyang Huang
- Foshan Hospital of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, No. 6, Qinren Road, Chancheng District, Foshan, 528051, Guangdong, China
| | - Yongwei Yuan
- The Eighth Clinical Medical College, Guangzhou University of Chinese Medicine, Foshan, 528051, Guangdong, China
| | - Qiuyan Liang
- The Eighth Clinical Medical College, Guangzhou University of Chinese Medicine, Foshan, 528051, Guangdong, China
| | - Xiaojun Ma
- Foshan Hospital of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, No. 6, Qinren Road, Chancheng District, Foshan, 528051, Guangdong, China
| | - Tengyu Qiu
- The Eighth Clinical Medical College, Guangzhou University of Chinese Medicine, Foshan, 528051, Guangdong, China
- Foshan Hospital of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, No. 6, Qinren Road, Chancheng District, Foshan, 528051, Guangdong, China
| | - Jianhong Li
- Foshan Hospital of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, No. 6, Qinren Road, Chancheng District, Foshan, 528051, Guangdong, China.
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20
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Hammoud S, Ivanova A, Osaki Y, Funk S, Yang H, Viquez O, Delgado R, Lu D, Phillips Mignemi M, Tonello J, Colon S, Lantier L, Wasserman DH, Humphreys BD, Koenitzer J, Kern J, de Caestecker M, Finkel T, Fogo A, Messias N, Lodhi IJ, Gewin LS. Tubular CPT1A deletion minimally affects aging and chronic kidney injury. JCI Insight 2024; 9:e171961. [PMID: 38516886 PMCID: PMC11063933 DOI: 10.1172/jci.insight.171961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 02/14/2024] [Indexed: 03/23/2024] Open
Abstract
Kidney tubules use fatty acid oxidation (FAO) to support their high energetic requirements. Carnitine palmitoyltransferase 1A (CPT1A) is the rate-limiting enzyme for FAO, and it is necessary to transport long-chain fatty acids into mitochondria. To define the role of tubular CPT1A in aging and injury, we generated mice with tubule-specific deletion of Cpt1a (Cpt1aCKO mice), and the mice were either aged for 2 years or injured by aristolochic acid or unilateral ureteral obstruction. Surprisingly, Cpt1aCKO mice had no significant differences in kidney function or fibrosis compared with wild-type mice after aging or chronic injury. Primary tubule cells from aged Cpt1aCKO mice had a modest decrease in palmitate oxidation but retained the ability to metabolize long-chain fatty acids. Very-long-chain fatty acids, exclusively oxidized by peroxisomes, were reduced in kidneys lacking tubular CPT1A, consistent with increased peroxisomal activity. Single-nuclear RNA-Seq showed significantly increased expression of peroxisomal FAO enzymes in proximal tubules of mice lacking tubular CPT1A. These data suggest that peroxisomal FAO may compensate in the absence of CPT1A, and future genetic studies are needed to confirm the role of peroxisomal β-oxidation when mitochondrial FAO is impaired.
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Affiliation(s)
- Safaa Hammoud
- Division of Nephrology and Hypertension, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Alla Ivanova
- Division of Nephrology and Hypertension, Department of Medicine, and
| | - Yosuke Osaki
- Division of Nephrology and Hypertension, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
- Division of Nephrology and Hypertension, Department of Medicine, and
| | - Steven Funk
- Division of Nephrology and Hypertension, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Haichun Yang
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Olga Viquez
- Division of Nephrology and Hypertension, Department of Medicine, and
| | - Rachel Delgado
- Division of Nephrology and Hypertension, Department of Medicine, and
| | - Dongliang Lu
- Division of Endocrinology, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | | | - Jane Tonello
- Division of Nephrology and Hypertension, Department of Medicine, and
| | - Selene Colon
- Division of Nephrology and Hypertension, Department of Medicine, and
| | - Louise Lantier
- Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee, USA
| | - David H. Wasserman
- Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee, USA
| | - Benjamin D. Humphreys
- Division of Nephrology and Hypertension, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Jeffrey Koenitzer
- Division of Pulmonary Critical Care Medicine, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Justin Kern
- Division of Nephrology and Hypertension, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | | | - Toren Finkel
- Aging Institute, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Agnes Fogo
- Division of Nephrology and Hypertension, Department of Medicine, and
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Nidia Messias
- Department of Pathology and Immunology, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Irfan J. Lodhi
- Division of Endocrinology, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Leslie S. Gewin
- Division of Nephrology and Hypertension, Department of Medicine, Washington University in St. Louis, St. Louis, Missouri, USA
- Division of Nephrology and Hypertension, Department of Medicine, and
- Department of Medicine, Veterans Affairs Hospital, St. Louis, Missouri, USA
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21
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Hu D, Hou M, Song P, Chen Q, Feng Y, Wu X, Ni Y. Dietary bile acids supplementation improves the growth performance and alleviates fatty liver in broilers fed a high-fat diet via improving the gut microbiota. Poult Sci 2024; 103:103270. [PMID: 38056054 PMCID: PMC10746564 DOI: 10.1016/j.psj.2023.103270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 12/08/2023] Open
Abstract
This experiment aims to evaluate the effect of bile acids (BAs) in alleviating fatty liver disease induced by a high-fat diet (HFD) in broilers, and the modulation of the gut microbiota involved in this process. A total of 192 one-day-old Arbor Acres (AA) commercial male broilers were randomly divided into 4 groups and treated with the following diet: a basal-fat diet (BFD), a basal-fat diet plus bile acids (BFD + BAs), an HFD, and a high-fat diet plus bile acids (HFD + BAs). Bile acids were supplemented at the early growth stage (3-7 d), middle stage (17-21 d), and late stage (31-35 d). Results showed that BAs treatment had a significant effect on body weight on 14 d and 35 d, and increased the breast muscle weight and its index, but decreased the liver weight and abdominal fat weight on 35 d (P < 0.05). The supplementation of BAs significantly improved the serum lipid profile and decreased the level of triglycerides (TG), total cholesterol (TCHO), and nonesterified fatty acids (NEFA) on 35 d (P < 0.05). Dietary BAs supplementation significantly alleviated the hepatic TG deposition induced by HFD (P < 0.05), which was accompanied by upregulation of peroxisome proliferator-activated receptor gamma (PPARγ) and lipoprotein lipase (LPL) gene expression (P < 0.05). Moreover, the expression levels of hepatic gene adipose triglyceride lipase (ATGL), peroxisome proliferator-activated receptor α (PPARα), and apolipoprotein B (APOB) were greatly increased by BAs treatment. The analysis of 16S rRNA sequencing showed that the microbial diversity of the cecal digesta was increased by BAs in broilers with elevated abundances of Firmicutes, Lactobacillus, Anaerostipes, Sellimonas, and CHKCI002 and decreased abundances of Barnesiella and Akkermansia genus (P < 0.05). Hepatic TG content was positively correlated with the abundance of Oscillospiraceae, but it was negatively correlated with the abundance of Lactobacillus in cecal digesta (P < 0.05). These results indicate that dietary BAs can improve growth performance and alleviate fatty liver disease induced by an HFD via modulating gut microbiota in broilers.
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Affiliation(s)
- Dan Hu
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing 210095, China
| | - Manman Hou
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing 210095, China
| | - Pin Song
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing 210095, China
| | - Qu Chen
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing 210095, China
| | - Yuyan Feng
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiaoting Wu
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing 210095, China
| | - Yingdong Ni
- Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing 210095, China.
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Ren Q, Sun Q, Fu J. Dysfunction of autophagy in high-fat diet-induced non-alcoholic fatty liver disease. Autophagy 2024; 20:221-241. [PMID: 37700498 PMCID: PMC10813589 DOI: 10.1080/15548627.2023.2254191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 08/24/2023] [Indexed: 09/14/2023] Open
Abstract
ABBREVIATIONS ACOX1: acyl-CoA oxidase 1; ADH5: alcohol dehydrogenase 5 (class III), chi polypeptide; ADIPOQ: adiponectin, C1Q and collagen domain containing; ATG: autophagy related; BECN1: beclin 1; CRTC2: CREB regulated transcription coactivator 2; ER: endoplasmic reticulum; F2RL1: F2R like trypsin receptor 1; FA: fatty acid; FOXO1: forkhead box O1; GLP1R: glucagon like peptide 1 receptor; GRK2: G protein-coupled receptor kinase 2; GTPase: guanosine triphosphatase; HFD: high-fat diet; HSCs: hepatic stellate cells; HTRA2: HtrA serine peptidase 2; IRGM: immunity related GTPase M; KD: knockdown; KDM6B: lysine demethylase 6B; KO: knockout; LAMP2: lysosomal associated membrane protein 2; LAP: LC3-associated phagocytosis; LDs: lipid droplets; Li KO: liver-specific knockout; LSECs: liver sinusoidal endothelial cells; MAP1LC3/LC3: microtubule associated protein 1 light chain 3; MAP3K5: mitogen-activated protein kinase kinase kinase 5; MED1: mediator complex subunit 1; MTOR: mechanistic target of rapamycin kinase; MTORC1: mechanistic target of rapamycin complex 1; NAFLD: non-alcoholic fatty liver disease; NASH: non-alcoholic steatohepatitis; NFE2L2: NFE2 like bZIP transcription factor 2; NOS3: nitric oxide synthase 3; NR1H3: nuclear receptor subfamily 1 group H member 3; OA: oleic acid; OE: overexpression; OSBPL8: oxysterol binding protein like 8; PA: palmitic acid; RUBCNL: rubicon like autophagy enhancer; PLIN2: perilipin 2; PLIN3: perilipin 3; PPARA: peroxisome proliferator activated receptor alpha; PRKAA2/AMPK: protein kinase AMP-activated catalytic subunit alpha 2; RAB: member RAS oncogene family; RPTOR: regulatory associated protein of MTOR complex 1; SCD: stearoyl-CoA desaturase; SIRT1: sirtuin 1; SIRT3: sirtuin 3; SNARE: soluble N-ethylmaleimide-sensitive factor attachment protein receptor; SQSTM1/p62: sequestosome 1; SREBF1: sterol regulatory element binding transcription factor 1;SREBF2: sterol regulatory element binding transcription factor 2; STING1: stimulator of interferon response cGAMP interactor 1; STX17: syntaxin 17; TAGs: triacylglycerols; TFEB: transcription factor EB; TP53/p53: tumor protein p53; ULK1: unc-51 like autophagy activating kinase 1; VMP1: vacuole membrane protein 1.
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Affiliation(s)
- Qiannan Ren
- Department of Endocrinology, Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Qiming Sun
- International Institutes of Medicine, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, Zhejiang, China
- Department of Biochemistry, and Department of Cardiology of Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Junfen Fu
- Department of Endocrinology, Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
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Eberhart T, Stanley FU, Ricci L, Chirico T, Ferrarese R, Sisti S, Scagliola A, Baj A, Badurek S, Sommer A, Culp-Hill R, Dzieciatkowska M, Shokry E, Sumpton D, D'Alessandro A, Clementi N, Mancini N, Cardaci S. ACOD1 deficiency offers protection in a mouse model of diet-induced obesity by maintaining a healthy gut microbiota. Cell Death Dis 2024; 15:105. [PMID: 38302438 PMCID: PMC10834593 DOI: 10.1038/s41419-024-06483-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 01/16/2024] [Accepted: 01/17/2024] [Indexed: 02/03/2024]
Abstract
Aconitate decarboxylase 1 (ACOD1) is the enzyme synthesizing itaconate, an immuno-regulatory metabolite tuning host-pathogen interactions. Such functions are achieved by affecting metabolic pathways regulating inflammation and microbe survival. However, at the whole-body level, metabolic roles of itaconate remain largely unresolved. By using multiomics-integrated approaches, here we show that ACOD1 responds to high-fat diet consumption in mice by promoting gut microbiota alterations supporting metabolic disease. Genetic disruption of itaconate biosynthesis protects mice against obesity, alterations in glucose homeostasis and liver metabolic dysfunctions by decreasing meta-inflammatory responses to dietary lipid overload. Mechanistically, fecal metagenomics and microbiota transplantation experiments demonstrate such effects are dependent on an amelioration of the intestinal ecosystem composition, skewed by high-fat diet feeding towards obesogenic phenotype. In particular, unbiased fecal microbiota profiling and axenic culture experiments point towards a primary role for itaconate in inhibiting growth of Bacteroidaceae and Bacteroides, family and genus of Bacteroidetes phylum, the major gut microbial taxon associated with metabolic health. Specularly to the effects imposed by Acod1 deficiency on fecal microbiota, oral itaconate consumption enhances diet-induced gut dysbiosis and associated obesogenic responses in mice. Unveiling an unrecognized role of itaconate, either endogenously produced or exogenously administered, in supporting microbiota alterations underlying diet-induced obesity in mice, our study points ACOD1 as a target against inflammatory consequences of overnutrition.
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Affiliation(s)
- Tanja Eberhart
- Cancer Metabolism Unit, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
| | - Federico Uchenna Stanley
- Cancer Metabolism Unit, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
| | - Luisa Ricci
- Cancer Metabolism Unit, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
| | - Tiziana Chirico
- Cancer Metabolism Unit, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
| | - Roberto Ferrarese
- Laboratory of Medical Microbiology and Virology, Vita-Salute San Raffaele University, Milan, 20100, Italy
- IRCCS San Raffaele Hospital, Milan, 20100, Italy
- Synlab Italia, Castenedolo, BS, Italy
| | - Sofia Sisti
- Laboratory of Medical Microbiology and Virology, Vita-Salute San Raffaele University, Milan, 20100, Italy
- IRCCS San Raffaele Hospital, Milan, 20100, Italy
| | - Alessandra Scagliola
- Cancer Metabolism Unit, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy
- Istituto Nazionale di Genetica Molecolare, INGM, "Romeo ed Enrica Invernizzi", Milan, Italy
| | - Andreina Baj
- Department of Medicine and Technological Innovation, University of Insubria, Varese, Italy
| | - Sylvia Badurek
- Preclinical Phenotyping Facility, Vienna BioCenter Core Facilities (VBCF), member of the Vienna BioCenter (VBC), Vienna, Austria
| | - Andreas Sommer
- Next Generation Sequencing Facility, Vienna BioCenter Core Facilities (VBCF), member of the Vienna BioCenter (VBC), Vienna, Austria
| | - Rachel Culp-Hill
- Department of Biochemistry and Molecular Genetics, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | | | | | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Nicola Clementi
- Laboratory of Medical Microbiology and Virology, Vita-Salute San Raffaele University, Milan, 20100, Italy
- IRCCS San Raffaele Hospital, Milan, 20100, Italy
| | - Nicasio Mancini
- Laboratory of Medical Microbiology and Virology, Vita-Salute San Raffaele University, Milan, 20100, Italy
- IRCCS San Raffaele Hospital, Milan, 20100, Italy
- Laboratory of Medical Microbiology and Virology, Department of Medicine and Technological Innovation, University of Insubria, Varese, Italy
- Laboratory of Medical Microbiology and Virology, Fondazione Macchi University Hospital, Varese, Italy
| | - Simone Cardaci
- Cancer Metabolism Unit, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, 20132, Milan, Italy.
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Tan Y, Li Y, Ren L, Fu H, Li Q, Liu S. Integrative proteome and metabolome analyses reveal molecular basis underlying growth and nutrient composition in the Pacific oyster, Crassostrea gigas. J Proteomics 2024; 290:105021. [PMID: 37838097 DOI: 10.1016/j.jprot.2023.105021] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 09/28/2023] [Accepted: 10/03/2023] [Indexed: 10/16/2023]
Abstract
In order to comprehend the molecular basis of growth, nutrient composition, and color pigmentation in oysters, comparative proteome and metabolome analyses of two selectively bred oyster strains with contrasting growth rate and shell color were used in this study. A total of 289 proteins and 224 metabolites were identified differentially expressed between the two strains. We identified a series of specifically enriched functional clusters implicated in protein biosynthesis (RPL4, MRPS7, and CARS), fatty acid metabolism (ACSL5, PEX3, ACOXI, CPTIA, FABP6, and HSD17B12), energy metabolism (FH, PPP1R7, CLAM2, and RGN), cell proliferation (MYB, NFYC, DOHH, TOP2a, SMARCA5, and SMARCC2), material transport (ABCB1, ABCB8, VPS16, and VPS33a), and pigmentation (RDH7, RDH13, Retsat, COX15, and Cyp3a9). Integrated proteome and metabolome analyses indicate that fast-growing strain utilize energy-efficient mechanisms of ATP generation while promoting protein and polyunsaturated fatty acid synthesis, activating the cell cycle to increase cell proliferation and thus promoting their biomass increase. These results uncovered molecular mechanisms underlying growth regulation, nutrition quality, and pigmentation and provided candidate biomarkers for molecular breeding in oysters. SIGNIFICANCE: Rapid growth has always been the primary breeding objective to increase the production profits of Pacific oyster (Crassostrea gigas), while favorable nutritional quality and beautiful color add commercial value. In recent years, proteomic and metabolomic techniques have been widely used in marine organisms, although these techniques are seldom utilized to study oyster growth and development. In this study, two C. gigas strains with contrasted phenotypes in growth and shell color provided an ideal model for unraveling the molecular basis of growth and nutrient composition through a comparison of the proteome and metabolome. Since proteins and metabolites are the critical undertakers and the end products of cellular regulatory processes, identifying the differentially expressed proteins and metabolites would allow for discovering biomarkers and pathways that were implicated in cell growth, proliferation, and other critical functions. This work provides valuable resources in assistance with molecular breeding of oyster strains with superior production traits of fast-growth and high-quality nutrient value.
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Affiliation(s)
- Ying Tan
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao 266003, China
| | - Yongjing Li
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao 266003, China
| | - Liting Ren
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao 266003, China
| | - Huiru Fu
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao 266003, China
| | - Qi Li
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao 266003, China
| | - Shikai Liu
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, and College of Fisheries, Ocean University of China, Qingdao 266003, China.
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Cui X, Yang Y, Zhang M, Bao L, Jiao F, Liu S, Wang H, Wei X, Qian W, Shi X, Su C, Qian Y. Mulberry leaves supplementation alters lipid metabolism and promotes fatty acid β oxidation in growing mutton sheep. J Anim Sci 2024; 102:skae076. [PMID: 38908013 PMCID: PMC11196999 DOI: 10.1093/jas/skae076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/21/2024] [Indexed: 06/24/2024] Open
Abstract
Mulberry leaves (MLs) are an unconventional feed with fiber and various active ingredients, and are acknowledged as likely to regulate lipid metabolism, while the molecular mechanism remains undefined. Therefore, our objective was to define the role of MLs on the overall lipid metabolism. We conducted a feeding experiment of three groups on growing mutton sheep fed with dried mulberry leaves (DMLs), with fermented mulberry leaves (FMLs), or without MLs (as control). Analyses of transcriptome and widely target lipids demonstrated the addition of MLs triggered big perturbations in genes and metabolites related to glycerolipid, phospholipid, ether lipid, and sphingolipid metabolism. Additionally, the variations of the above lipids in the treatment of MLs possibly facilitate immunity enhancement of growing mutton sheep via the activation of complement and coagulation cascades. Furthermore, treatments with MLs could expedite proceedings of lipid degradation and fatty acid β oxidation in mitochondria, thereby to achieve the effect of lipid reduction. Besides, added DMLs also fuel fatty acid β-oxidation in peroxisomes and own much stronger lipolysis than added FMLs, possibly attributed to high fiber content in DMLs. These findings establish the novel lipid-lowering role and immune protection of MLs, which lays the foundation for the medicinal application of MLs.
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Affiliation(s)
- Xiaopeng Cui
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212000, China
| | - Yuxin Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Minjuan Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Lijun Bao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Feng Jiao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shuang Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hexin Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xinlan Wei
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Wei Qian
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiang Shi
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chao Su
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yonghua Qian
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
- Shenzhen Fengnong Holding Co., Ltd, Shenzhen, Guangdong 518000, China
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26
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Nie T, Wang X, Li A, Shan A, Ma J. The promotion of fatty acid β-oxidation by hesperidin via activating SIRT1/PGC1α to improve NAFLD induced by a high-fat diet. Food Funct 2024; 15:372-386. [PMID: 38099440 DOI: 10.1039/d3fo04348g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Reducing fat deposits in hepatocytes is a direct treatment for nonalcoholic fatty liver disease (NAFLD) and the fatty acid metabolic processes mediated by fatty acid β-oxidation are important for the prevention of NAFLD. In this study, we established high-fat-diet models in vitro and in vivo to investigate the mechanism by which hesperidin (HDN) prevents NAFLD by modulating fatty acid β oxidation. Based on LC-MS screening of differential metabolites, many metabolites involved in phospholipid and lipid metabolism were found to be significantly altered and closely associated with fatty acid β-oxidation. The results from COIP experiments indicated that HDN increased the deacetylation of PGC1α by SIRT1. In addition, the results of CETSA and molecular docking experiments suggest that HDN targeting of SIRT1 plays an important role in their stable binding. Meanwhile, it was found that HDN reduced fatty acid uptake and synthesis and promoted the expression of SIRT1/PGC1α and fatty acid β-oxidation, and the latter process was inhibited after transfection to knockdown SIRT1. The results suggest that HDN improves NAFLD by promoting fatty acid β-oxidation through activating SIRT1/PGC1α. Thus, the findings indicate that HDN may be a potential drug for the treatment of NAFLD.
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Affiliation(s)
- Tong Nie
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China.
| | - Xin Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China.
| | - Aqun Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China.
| | - Anshan Shan
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, P. R. China
| | - Jun Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, P. R. China.
- Heilongjiang Provincial Key Laboratory of Pathogenic Mechanism for Animal Disease and Comparative Medicine, Harbin, 150030, P.R. China
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27
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Shang Z, Gao Y, Xue Y, Zhang C, Qiu J, Qian Y, Fang M, Zhang X, Sun X, Kong X, Gao Y. Shenge Formula attenuates high-fat diet-induced obesity and fatty liver via inhibiting ACOX1. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 123:155183. [PMID: 37992491 DOI: 10.1016/j.phymed.2023.155183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/17/2023] [Accepted: 11/02/2023] [Indexed: 11/24/2023]
Abstract
BACKGROUND Nonalcoholic fatty liver disease (NAFLD) is the leading cause of chronic liver disease worldwide. Shenge Formula (SGF) is a traditional Chinese medicine that has been used in the clinical treatment of NAFLD, and its therapeutic potential in patients and NAFLD animal models has been demonstrated in numerous studies. However, its underlying mechanism for treating NAFLD remains unclear. PURPOSE The aim of this study was to investigate the mechanism of SGF in the treatment of NAFLD using the proteomics strategy. METHODS Ultra-high performance liquid chromatography-mass spectrometry (UPLC-MS) was used to determine the main components of SGF. A mouse model of nonalcoholic fatty liver disease was constructed by feeding mice with a high-fat diet for 16 weeks. SGF was administered for an additional 8 weeks, and metformin was used as a positive control. Liver sections were subjected to histopathological assessments. LC-MS/MS was used for the label-free quantitative proteomic analysis of liver tissues. Candidate proteins and pathways were validated both in vivo and in vitro through qRT-PCR, western blot, and immunohistochemistry. The functions of the validated pathways were further investigated using the inhibition strategy. RESULTS Thirty-nine ingredients were identified in SGF extracts, which were considered to be key compounds in the treatment of NAFLD. SGF administration attenuated obesity and fatty liver by reducing the body weight and liver weight in HFD-fed mice. It also relieved HFD-induced insulin resistance. More importantly, hepatic steatosis was significantly attenuated by SGF administration both in vivo and in vitro. Proteomic profiling of mouse liver tissues identified 184 differential expressed proteins (DEPs) associated with SGF treatment. Bioinformatic analysis of DEPs revealed that regulating the lipid metabolism and energy consumption process of hepatocytes was the main role of SGF in NAFLD treatment. This also indicated that ACOX1 might be the potential target of SGF, which was subsequently verified both in vitro and in vivo. The results demonstrated that SGF inhibited ACOX1 activity, thereby activating PPARα and upregulating CPT1A expression. Increased CPT1A expression promoted mitochondrial β-oxidation, leading to reduced lipid accumulation in hepatocytes. CONCLUSIONS Overall, our findings confirmed the protective effect of SGF against NAFLD and revealed the underlying molecular mechanism of regulating lipid metabolism.
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Affiliation(s)
- Zhi Shang
- Institute of Infectious Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China; Laboratory of Cellular Immunity, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yating Gao
- Laboratory of Cellular Immunity, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yan Xue
- Laboratory of Cellular Immunity, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Congcong Zhang
- Laboratory of Cellular Immunity, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jiahao Qiu
- Laboratory of Cellular Immunity, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yihan Qian
- Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Miao Fang
- Laboratory of Cellular Immunity, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xin Zhang
- Laboratory of Cellular Immunity, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xuehua Sun
- Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiaoni Kong
- Central Laboratory, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Yueqiu Gao
- Institute of Infectious Disease, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China; Laboratory of Cellular Immunity, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China; Department of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.
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28
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Sun M, Peng Z, Shen W, Guo X, Liao Y, Huang Y, Ye P, Hu M, Lin Q, Liu R. Synergism of Fusobacterium periodonticum and N-nitrosamines promote the formation of EMT subtypes in ESCC by modulating Wnt3a palmitoylation. Gut Microbes 2024; 16:2391521. [PMID: 39193618 PMCID: PMC11364064 DOI: 10.1080/19490976.2024.2391521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 07/17/2024] [Accepted: 08/08/2024] [Indexed: 08/29/2024] Open
Abstract
N-Nitrosamine disinfection by-products (NAs-DBPs) have been well proven for its role in esophageal carcinogenesis. However, the role of intratumoral microorganisms in esophageal squamous cell carcinoma (ESCC) has not yet been well explored in the context of exposure to NAs-DBPs. Here, the multi-omics integration reveals F. periodonticum (Fp) as "facilitators" is highly enriched in cancer tissues and promotes the epithelial mesenchymal transition (EMT)-like subtype formation of ESCC. We demonstrate that Fp potently drives de novo synthesis of fatty acids, migration, invasion and EMT phenotype through its unique FadAL adhesin. However, N-nitrosomethylbenzylamine upregulates the transcription level of FadAL. Mechanistically, co-immunoprecipitation coupled to mass spectrometry shows that FadAL interacts with FLOT1. Furthermore, FLOT1 activates PI3K-AKT/FASN signaling pathway, leading to triglyceride and palmitic acid (PA) accumulation. Innovatively, the results from the acyl-biotin exchange demonstrate that FadAL-mediated PA accumulation enhances Wnt3A palmitoylation on a conserved cysteine residue, Cys-77, and promotes Wnt3A membrane localization and the translocation of β-catenin into the nucleus, further activating Wnt3A/β-catenin axis and inducing EMT phenotype. We therefore propose a "microbiota-cancer cell subpopulation" interaction model in the highly heterogeneous tumor microenvironment. This study unveils a mechanism by which Fp can drive ESCC and identifies FadAL as a potential diagnostic and therapeutic target for ESCC.
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Affiliation(s)
- Mingjun Sun
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing, China
| | - Zhenyan Peng
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Weitao Shen
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Xinxin Guo
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Yinghao Liao
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Yang Huang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Ping Ye
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Mohan Hu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Qiang Lin
- Department of Oncology, North China Petroleum Bureau General Hospital, Hebei Medical University, Renqiu, China
| | - Ran Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing, China
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29
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Cui H, Wang Y, Zhou T, Qu L, Zhang X, Wang Y, Han M, Yang S, Ren X, Wang G, Gang X. Targeting DGAT1 inhibits prostate cancer cells growth by inducing autophagy flux blockage via oxidative stress. Oncogene 2024; 43:136-150. [PMID: 37973951 DOI: 10.1038/s41388-023-02878-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 10/04/2023] [Accepted: 10/23/2023] [Indexed: 11/19/2023]
Abstract
Impaired macroautophagy/autophagy flux has been implicated in the treatment of prostate cancer (PCa). However, the mechanism underlying autophagy dysregulation in PCa remains unknown. In the current study, we investigated the role of diacylglycerol acyltransferases 1 (DGAT1) and its potential effects on cellular energy homeostasis and autophagy flux in PCa. The results of immunohistochemical staining suggested that DGAT1 expression was positively corrected with tumor stage and node metastasis, indicating DGAT1 is an important factor involved in the development and progression of PCa. Furthermore, targeting DGAT1 remarkably inhibited cell proliferation in vitro and suppressed PCa growth in xenograft models by triggering severe oxidative stress and subsequently autophagy flux blockage. Mechanically, DGAT1 promoted PCa progression by maintaining cellular energy homeostasis, preserving mitochondrial function, protecting against reactive oxygen species, and subsequently promoting autophagy flux via regulating lipid droplet formation. Moreover, we found that fenofibrate exhibits as an upstream regulator of DGAT1. Fenofibrate performed its anti-PCa effect involved the aforementioned mechanisms, and partially dependent on the regulation of DGAT1. Collectively. These findings indicate that DGAT1 regulates PCa lipid droplets formation and is essential for PCa progression. Targeting DGAT1 might be a promising method to control the development and progression of PCa. Schematic representation of DGAT1 affects autophagy flux by regulating lipid homeostasis and maintaining mitochondrial function in prostate cancer (PCa). PCa is characterized up-regulation of DGAT1, leading to the translocation of free fatty acids into lipid droplets, thereby preventing PCa cell from lipotoxicity. Inhibition of DGAT1 suppresses growth of PCa by inducing oxidative stress and subsequently autophagy flux blockage. Further, the current results revealed that fenofibrate exhibits as an upstream regulator of DGAT1, and fenofibrate plays an anti-PCa role partially dependent on the regulation of DGAT1, suggesting a potential therapeutic approach to ameliorate this refractory tumor.
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Affiliation(s)
- Haiying Cui
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China
| | - Yao Wang
- Department of Orthopedics, The Second Hospital Jilin University, Changchun, 130021, Jilin Province, China
| | - Tong Zhou
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China
| | - Limei Qu
- Department of Pathology, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China
| | - Xiaoling Zhang
- Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, Institute of Immunology, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China
| | - Yingdi Wang
- Department of Urology, Jilin Oncological Hospital, Changchun, 130021, Jilin Province, China
| | - Mingyue Han
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China
| | - Shuo Yang
- Department of Clinical Nutrition, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China
| | - Xinhua Ren
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China
| | - Guixia Wang
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China.
| | - Xiaokun Gang
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China.
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Li X, Karpac J. A distinct Acyl-CoA binding protein (ACBP6) shapes tissue plasticity during nutrient adaptation in Drosophila. Nat Commun 2023; 14:7599. [PMID: 37989752 PMCID: PMC10663470 DOI: 10.1038/s41467-023-43362-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 11/08/2023] [Indexed: 11/23/2023] Open
Abstract
Nutrient availability is a major selective force in the evolution of metazoa, and thus plasticity in tissue function and morphology is shaped by adaptive responses to nutrient changes. Utilizing Drosophila, we reveal that distinct calibration of acyl-CoA metabolism, mediated by Acbp6 (Acyl-CoA binding-protein 6), is critical for nutrient-dependent tissue plasticity. Drosophila Acbp6, which arose by evolutionary duplication and binds acyl-CoA to tune acetyl-CoA metabolism, is required for intestinal resizing after nutrient deprivation through activating intestinal stem cell proliferation from quiescence. Disruption of acyl-CoA metabolism by Acbp6 attenuation drives aberrant 'switching' of metabolic networks in intestinal enterocytes during nutrient adaptation, impairing acetyl-CoA metabolism and acetylation amid intestinal resizing. We also identified STAT92e, whose function is influenced by acetyl-CoA levels, as a key regulator of acyl-CoA and nutrient-dependent changes in stem cell activation. These findings define a regulatory mechanism, shaped by acyl-CoA metabolism, that adjusts proliferative homeostasis to coordinately regulate tissue plasticity during nutrient adaptation.
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Affiliation(s)
- Xiaotong Li
- Department of Cell Biology and Genetics, Texas A&M University, School of Medicine, Bryan, TX, USA
| | - Jason Karpac
- Department of Cell Biology and Genetics, Texas A&M University, School of Medicine, Bryan, TX, USA.
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Xiong L, Liu J, Han SY, Koppitch K, Guo JJ, Rommelfanger M, Miao Z, Gao F, Hallgrimsdottir IB, Pachter L, Kim J, MacLean AL, McMahon AP. Direct androgen receptor control of sexually dimorphic gene expression in the mammalian kidney. Dev Cell 2023; 58:2338-2358.e5. [PMID: 37673062 PMCID: PMC10873092 DOI: 10.1016/j.devcel.2023.08.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 07/20/2023] [Accepted: 08/04/2023] [Indexed: 09/08/2023]
Abstract
Mammalian organs exhibit distinct physiology, disease susceptibility, and injury responses between the sexes. In the mouse kidney, sexually dimorphic gene activity maps predominantly to proximal tubule (PT) segments. Bulk RNA sequencing (RNA-seq) data demonstrated that sex differences were established from 4 and 8 weeks after birth under gonadal control. Hormone injection studies and genetic removal of androgen and estrogen receptors demonstrated androgen receptor (AR)-mediated regulation of gene activity in PT cells as the regulatory mechanism. Interestingly, caloric restriction feminizes the male kidney. Single-nuclear multiomic analysis identified putative cis-regulatory regions and cooperating factors mediating PT responses to AR activity in the mouse kidney. In the human kidney, a limited set of genes showed conserved sex-linked regulation, whereas analysis of the mouse liver underscored organ-specific differences in the regulation of sexually dimorphic gene expression. These findings raise interesting questions on the evolution, physiological significance, disease, and metabolic linkage of sexually dimorphic gene activity.
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Affiliation(s)
- Lingyun Xiong
- Department of Stem Cell Biology and Regenerative Medicine, Eli and Edythe Broad Center for Regenerative Medicine and Stem Cell Research, Keck School of Medicine of the University of Southern California, Los Angeles, CA 90089, USA; Department of Quantitative and Computational Biology, University of Southern California, Los Angeles, CA 90089, USA
| | - Jing Liu
- Department of Stem Cell Biology and Regenerative Medicine, Eli and Edythe Broad Center for Regenerative Medicine and Stem Cell Research, Keck School of Medicine of the University of Southern California, Los Angeles, CA 90089, USA
| | - Seung Yub Han
- Graduate Program in Genomics and Computational Biology, Biomedical Graduate Studies, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Kari Koppitch
- Department of Stem Cell Biology and Regenerative Medicine, Eli and Edythe Broad Center for Regenerative Medicine and Stem Cell Research, Keck School of Medicine of the University of Southern California, Los Angeles, CA 90089, USA
| | - Jin-Jin Guo
- Department of Stem Cell Biology and Regenerative Medicine, Eli and Edythe Broad Center for Regenerative Medicine and Stem Cell Research, Keck School of Medicine of the University of Southern California, Los Angeles, CA 90089, USA
| | - Megan Rommelfanger
- Department of Quantitative and Computational Biology, University of Southern California, Los Angeles, CA 90089, USA
| | - Zhen Miao
- Graduate Program in Genomics and Computational Biology, Biomedical Graduate Studies, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Fan Gao
- Caltech Bioinformatics Resource Center at Beckman Institute, California Institute of Technology, Pasadena, CA 91125, USA
| | - Ingileif B Hallgrimsdottir
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Lior Pachter
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA; Department of Computing and Mathematical Sciences, California Institute of Technology, Pasadena, CA 91125, USA
| | - Junhyong Kim
- Department of Biology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Adam L MacLean
- Department of Quantitative and Computational Biology, University of Southern California, Los Angeles, CA 90089, USA
| | - Andrew P McMahon
- Department of Stem Cell Biology and Regenerative Medicine, Eli and Edythe Broad Center for Regenerative Medicine and Stem Cell Research, Keck School of Medicine of the University of Southern California, Los Angeles, CA 90089, USA.
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Cui D, Wang Z, Dang Q, Wang J, Qin J, Song J, Zhai X, Zhou Y, Zhao L, Lu G, Liu H, Liu G, Liu R, Shao C, Zhang X, Liu Z. Spliceosome component Usp39 contributes to hepatic lipid homeostasis through the regulation of autophagy. Nat Commun 2023; 14:7032. [PMID: 37923718 PMCID: PMC10624899 DOI: 10.1038/s41467-023-42461-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 10/11/2023] [Indexed: 11/06/2023] Open
Abstract
Regulation of alternative splicing (AS) enables a single transcript to yield multiple isoforms that increase transcriptome and proteome diversity. Here, we report that spliceosome component Usp39 plays a role in the regulation of hepatocyte lipid homeostasis. We demonstrate that Usp39 expression is downregulated in hepatic tissues of non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH) subjects. Hepatocyte-specific Usp39 deletion in mice leads to increased lipid accumulation, spontaneous steatosis and impaired autophagy. Combined analysis of RNA immunoprecipitation (RIP-seq) and bulk RNA sequencing (RNA-seq) data reveals that Usp39 regulates AS of several autophagy-related genes. In particular, deletion of Usp39 results in alternative 5' splice site selection of exon 6 in Heat shock transcription factor 1 (Hsf1) and consequently its reduced expression. Importantly, overexpression of Hsf1 could attenuate lipid accumulation caused by Usp39 deficiency. Taken together, our findings indicate that Usp39-mediated AS is required for sustaining autophagy and lipid homeostasis in the liver.
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Affiliation(s)
- Donghai Cui
- Key Laboratory of Experimental Teratology, Ministry of Education, School of Basic Medical Science, Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
- Advanced Medical Research Institute, Shandong University, Jinan, China
| | - Zixiang Wang
- Key Laboratory of Experimental Teratology, Ministry of Education, School of Basic Medical Science, Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
- Advanced Medical Research Institute, Shandong University, Jinan, China
| | - Qianli Dang
- Key Laboratory of Experimental Teratology, Ministry of Education, School of Basic Medical Science, Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
- Advanced Medical Research Institute, Shandong University, Jinan, China
| | - Jing Wang
- Key Laboratory of Experimental Teratology, Ministry of Education, School of Basic Medical Science, Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
- Advanced Medical Research Institute, Shandong University, Jinan, China
| | - Junchao Qin
- Key Laboratory of Experimental Teratology, Ministry of Education, School of Basic Medical Science, Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
- Advanced Medical Research Institute, Shandong University, Jinan, China
| | - Jianping Song
- Department of General Surgery, The Second Hospital, Shandong University, Jinan, China
| | - Xiangyu Zhai
- Department of General Surgery, The Second Hospital, Shandong University, Jinan, China
| | - Yachao Zhou
- Key Laboratory of Experimental Teratology, Ministry of Education, School of Basic Medical Science, Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
- Advanced Medical Research Institute, Shandong University, Jinan, China
| | - Ling Zhao
- Key Laboratory of Experimental Teratology, Ministry of Education, School of Basic Medical Science, Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China
| | - Gang Lu
- CUHK-SDU Joint Laboratory on Reproductive Genetics, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Hongbin Liu
- Center for Reproductive Medicine, Shandong University, Jinan, China
| | - Gang Liu
- Nephrology Research Institute of Shandong University, The Second Hospital of Shandong University, Jinan, China
| | - Runping Liu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Changshun Shao
- Institutes for Translational Medicine, State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China.
| | - Xiyu Zhang
- Key Laboratory of Experimental Teratology, Ministry of Education, School of Basic Medical Science, Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China.
| | - Zhaojian Liu
- Key Laboratory of Experimental Teratology, Ministry of Education, School of Basic Medical Science, Department of Obstetrics and Gynecology, Qilu Hospital, Shandong University, Jinan, China.
- Advanced Medical Research Institute, Shandong University, Jinan, China.
- Nephrology Research Institute of Shandong University, The Second Hospital of Shandong University, Jinan, China.
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Zhao T, Zheng H, Xu JJ, Xu YC, Liu LL, Luo Z. MnO 2 nanoparticles and MnSO 4 differentially affected hepatic lipid metabolism through miR-92a/acsl3-dependent de novo lipogenesis in yellow catfish Pelteobagrusfulvidraco. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122416. [PMID: 37598932 DOI: 10.1016/j.envpol.2023.122416] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/13/2023] [Accepted: 08/17/2023] [Indexed: 08/22/2023]
Abstract
With the increasing production and use of MnO2 NPs and MnSO4 in various fields, their discharge into the aquatic environment is inevitable, which poses potential threats to aquatic organisms and humans. However, to date, few studies have been conducted to investigate the potential mechanism of the toxicity of MnO2 NPs, and a comprehensive understanding of the differences between this mechanism and the toxicity mechanism of inorganic Mn (MnSO4) is still lacking. Since lipid metabolism-relevant parameters have been widely recognized as novel biomarkers for risk assessment of environmental contaminants, the present study investigated the differential mechanisms of how MnO2 NPs and MnSO4 affect hepatic lipid metabolism in a freshwater fish yellow catfish. Compared to MnSO4, dietary MnO2 NPs caused liver injury, increased hepatic lipid accumulation and induced lipotoxicity, and up-regulated mRNA expression of de novo lipogenic genes. Moreover, MnO2 NPs downregulated the expression of miR-92a and miR-92b-3p, microRNAs involved in regulation of lipid metabolism, in the liver. Mechanistically, we found that acls3, an acetyl-coenzyme A synthetase, is target gene of miR-92a, and miR-92a-acsl3-dependent de novo lipogenesis contributes to lipid accumulation and lipotoxicity induced by MnO2 NPs. Collectively, these findings provided novel insights into mechanism whereby miRNAs mediate nanoparticles- and inorganic Mn-induced hepatic lipotoxicity and changes of lipid metabolism in vertebrates. Our findings also shed new perspective for ecotoxicity and ecological risk of MnO2 NPs and MnSO4 in aquatic environment.
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Affiliation(s)
- Tao Zhao
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan, 430070, China
| | - Hua Zheng
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jie-Jie Xu
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yi-Chuang Xu
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan, 430070, China
| | - Lu-Lu Liu
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zhi Luo
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agricultural University, Wuhan, 430070, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
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34
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Jiang N, Li W, Jiang S, Xie M, Liu R. Acetylation in pathogenesis: Revealing emerging mechanisms and therapeutic prospects. Biomed Pharmacother 2023; 167:115519. [PMID: 37729729 DOI: 10.1016/j.biopha.2023.115519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/08/2023] [Accepted: 09/14/2023] [Indexed: 09/22/2023] Open
Abstract
Protein acetylation modifications play a central and pivotal role in a myriad of biological processes, spanning cellular metabolism, proliferation, differentiation, apoptosis, and beyond, by effectively reshaping protein structure and function. The metabolic state of cells is intricately connected to epigenetic modifications, which in turn influence chromatin status and gene expression patterns. Notably, pathological alterations in protein acetylation modifications are frequently observed in diseases such as metabolic syndrome, cardiovascular disorders, and cancer. Such abnormalities can result in altered protein properties and loss of function, which are closely associated with developing and progressing related diseases. In recent years, the advancement of precision medicine has highlighted the potential value of protein acetylation in disease diagnosis, treatment, and prevention. This review includes provocative and thought-provoking papers outlining recent breakthroughs in acetylation modifications as they relate to cardiovascular disease, mitochondrial metabolic regulation, liver health, neurological health, obesity, diabetes, and cancer. Additionally, it covers the molecular mechanisms and research challenges in understanding the role of acetylation in disease regulation. By summarizing novel targets and prognostic markers for the treatment of related diseases, we aim to contribute to the field. Furthermore, we discuss current hot topics in acetylation research related to health regulation, including N4-acetylcytidine and liquid-liquid phase separation. The primary objective of this review is to provide insights into the functional diversity and underlying mechanisms by which acetylation regulates proteins in disease contexts.
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Affiliation(s)
- Nan Jiang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Wenyong Li
- School of Biology and Food Engineering, Fuyang Normal University, Fuyang, Anhui 236037, China
| | - Shuanglin Jiang
- School of Biology and Food Engineering, Fuyang Normal University, Fuyang, Anhui 236037, China
| | - Ming Xie
- North China Petroleum Bureau General Hospital, Renqiu 062550, China.
| | - Ran Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
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35
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Mirisola MG. The Nutriepigenome. Genes (Basel) 2023; 14:1997. [PMID: 38002940 PMCID: PMC10671240 DOI: 10.3390/genes14111997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 11/26/2023] Open
Abstract
Unlike genetic changes, epigenetics modulates gene expression without stable modification of the genome. Even though all cells, including sperm and egg, have an epigenome pattern, most of these modifications occur during lifetime and interestingly, some of them, are reversible. Lifestyle and especially nutrients as well as diet regimens are presently gaining importance due to their ability to affect the epigenome. On the other hand, since the epigenome profoundly affects gene expression profile it can be speculated that the epigenome could modulate individual response to nutrients. Recent years have thus seen growing interest on nutrients, macronutrients ratio and diet regimens capable to affect the epigenetic pattern. In fact, while genetic alterations are mostly detrimental at the individual level, reshaping the epigenome may be a feasible strategy to positively counteract the detrimental effect of aging. Here, I review nutrient consumption and diet regimens as a possible strategy to counteract aging-driven epigenome derangement.
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Affiliation(s)
- Mario G Mirisola
- STeBiCeF Department, Università di Palermo, Building 16, Viale delle Scienze, 90128 Palermo, Italy
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36
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Szrok-Jurga S, Czumaj A, Turyn J, Hebanowska A, Swierczynski J, Sledzinski T, Stelmanska E. The Physiological and Pathological Role of Acyl-CoA Oxidation. Int J Mol Sci 2023; 24:14857. [PMID: 37834305 PMCID: PMC10573383 DOI: 10.3390/ijms241914857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/27/2023] [Accepted: 09/30/2023] [Indexed: 10/15/2023] Open
Abstract
Fatty acid metabolism, including β-oxidation (βOX), plays an important role in human physiology and pathology. βOX is an essential process in the energy metabolism of most human cells. Moreover, βOX is also the source of acetyl-CoA, the substrate for (a) ketone bodies synthesis, (b) cholesterol synthesis, (c) phase II detoxication, (d) protein acetylation, and (d) the synthesis of many other compounds, including N-acetylglutamate-an important regulator of urea synthesis. This review describes the current knowledge on the importance of the mitochondrial and peroxisomal βOX in various organs, including the liver, heart, kidney, lung, gastrointestinal tract, peripheral white blood cells, and other cells. In addition, the diseases associated with a disturbance of fatty acid oxidation (FAO) in the liver, heart, kidney, lung, alimentary tract, and other organs or cells are presented. Special attention was paid to abnormalities of FAO in cancer cells and the diseases caused by mutations in gene-encoding enzymes involved in FAO. Finally, issues related to α- and ω- fatty acid oxidation are discussed.
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Affiliation(s)
- Sylwia Szrok-Jurga
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (J.T.); (A.H.)
| | - Aleksandra Czumaj
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdansk, 80-211 Gdansk, Poland;
| | - Jacek Turyn
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (J.T.); (A.H.)
| | - Areta Hebanowska
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (J.T.); (A.H.)
| | - Julian Swierczynski
- Institue of Nursing and Medical Rescue, State University of Applied Sciences in Koszalin, 75-582 Koszalin, Poland;
| | - Tomasz Sledzinski
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdansk, 80-211 Gdansk, Poland;
| | - Ewa Stelmanska
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (J.T.); (A.H.)
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37
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Tang C, Wang Y, Chen D, Zhang M, Xu J, Xu C, Liu J, Kan J, Jin C. Natural polysaccharides protect against diet-induced obesity by improving lipid metabolism and regulating the immune system. Food Res Int 2023; 172:113192. [PMID: 37689942 DOI: 10.1016/j.foodres.2023.113192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/25/2023] [Accepted: 06/27/2023] [Indexed: 09/11/2023]
Abstract
Unhealthy dietary patterns-induced obesity and obesity-related complications pose a great threat to human health all over the world. Accumulating evidence suggests that the pathophysiology of obesity and obesity-associated metabolic disorders is closely associated with dysregulation of lipid and energy metabolism, and metabolic inflammation. In this review, three potential anti-obesity mechanisms of natural polysaccharides are introduced. Firstly, natural polysaccharides protect against diet-induced obesity directly by improving lipid and cholesterol metabolism. Since the immunity also affects lipid and energy metabolism, natural polysaccharides improve lipid and energy metabolism by regulating host immunity. Moreover, diet-induced mitochondrial dysfunction, prolonged endoplasmic reticulum stress, defective autophagy and microbial dysbiosis can disrupt lipid and/or energy metabolism in a direct and/or inflammation-induced manner. Therefore, natural polysaccharides also improve lipid and energy metabolism and suppress inflammation by alleviating mitochondrial dysfunction and endoplasmic reticulum stress, promoting autophagy and regulating gut microbiota composition. Specifically, this review comprehensively summarizes underlying anti-obesity mechanisms of natural polysaccharides and provides a theoretical basis for the development of functional foods. For the first time, this review elucidates anti-obesity mechanisms of natural polysaccharides from the perspectives of their hypolipidemic, energy-regulating and immune-regulating mechanisms.
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Affiliation(s)
- Chao Tang
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
| | - Yuxin Wang
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
| | - Dan Chen
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
| | - Man Zhang
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
| | - Jingguo Xu
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
| | - Chen Xu
- Nanjing Key Laboratory of Quality and safety of agricultural product, Nanjing Xiaozhuang University, Nanjing 211171, China.
| | - Jun Liu
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
| | - Juan Kan
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
| | - Changhai Jin
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
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Zhou WH, Luo Y, Li RX, Degrace P, Jourdan T, Qiao F, Chen LQ, Zhang ML, Du ZY. Inhibition of mitochondrial fatty acid β-oxidation activates mTORC1 pathway and protein synthesis via Gcn5-dependent acetylation of Raptor in zebrafish. J Biol Chem 2023; 299:105220. [PMID: 37660921 PMCID: PMC10540046 DOI: 10.1016/j.jbc.2023.105220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 08/15/2023] [Accepted: 08/16/2023] [Indexed: 09/05/2023] Open
Abstract
Pharmacological inhibition of mitochondrial fatty acid oxidation (FAO) has been clinically used to alleviate certain metabolic diseases by remodeling cellular metabolism. However, mitochondrial FAO inhibition also leads to mechanistic target of rapamycin complex 1 (mTORC1) activation-related protein synthesis and tissue hypertrophy, but the mechanism remains unclear. Here, by using a mitochondrial FAO inhibitor (mildronate or etomoxir) or knocking out carnitine palmitoyltransferase-1, we revealed that mitochondrial FAO inhibition activated the mTORC1 pathway through general control nondepressible 5-dependent Raptor acetylation. Mitochondrial FAO inhibition significantly promoted glucose catabolism and increased intracellular acetyl-CoA levels. In response to the increased intracellular acetyl-CoA, acetyltransferase general control nondepressible 5 activated mTORC1 by catalyzing Raptor acetylation through direct interaction. Further investigation also screened Raptor deacetylase histone deacetylase class II and identified histone deacetylase 7 as a potential regulator of Raptor. These results provide a possible mechanistic explanation for the mTORC1 activation after mitochondrial FAO inhibition and also bring light to reveal the roles of nutrient metabolic remodeling in regulating protein acetylation by affecting acetyl-CoA production.
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Affiliation(s)
- Wen-Hao Zhou
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P.R. China
| | - Yuan Luo
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P.R. China
| | - Rui-Xin Li
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P.R. China
| | - Pascal Degrace
- Pathophysiology of Dyslipidemia Research Group, INSERM UMR1231 CTM (Center for Translational and Molecular Medicine) Ex-Lipids, Nutrition, Cancer, Université de Bourgogne Franche-Comté, Dijon, France
| | - Tony Jourdan
- Pathophysiology of Dyslipidemia Research Group, INSERM UMR1231 CTM (Center for Translational and Molecular Medicine) Ex-Lipids, Nutrition, Cancer, Université de Bourgogne Franche-Comté, Dijon, France
| | - Fang Qiao
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P.R. China
| | - Li-Qiao Chen
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P.R. China
| | - Mei-Ling Zhang
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P.R. China
| | - Zhen-Yu Du
- LANEH, School of Life Sciences, East China Normal University, Shanghai, P.R. China.
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39
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Yue C, Li D, Fan S, Tao F, Yu Y, Lu W, Chen Q, Yuan A, Wu J, Zhao G, Dong H, Hu Y. Long-term and liver-selected ginsenoside C-K nanoparticles retard NAFLD progression by restoring lipid homeostasis. Biomaterials 2023; 301:122291. [PMID: 37619263 DOI: 10.1016/j.biomaterials.2023.122291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 07/25/2023] [Accepted: 08/19/2023] [Indexed: 08/26/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the most prevalent hepatic disease characterized as lipid accumulation, yet without any approved drug. And development of therapeutic molecules is obstructed by low efficiency and organ toxicity. Herein, we develop a long-term, low-toxic and liver-selected nano candidate, nabCK, to alleviate NAFLD. NabCK is simply composed by natural compound ginsenoside compound K (CK) and albumin. As a major metabolite of ginseng, ginsenoside CK has excellently modulating functions for lipid metabolism, but accompanied by an extremely poor bioavailability <1%. Albumin is a key lipid carrier secreted and metabolized by livers. Thereby, it can improve solubility and liver-localization of CK. In adipocytes and hepatocytes, nabCK prevents lipid deposition and eliminates lipid droplets. Transcriptomic analysis reveals that nabCK rectifies various pathways that involved in steatosis development, including lipid absorption, lipid export, fatty acid biosynthesis, lipid storage and inflammation. All these pathways are modulated by mTOR, the pivotal feedback sensor that is hyperactive in NAFLD. NabCK suppresses mTOR activation to restores lipid homeostasis. In high-fat diet (HFD) induced NAFLD mice, nabCK retards development of steatosis and fibrosis, coupling a protective effect on cardiac tissues from lipotoxicity. Together, nabCK is a safe and potent candidate to offer benefits for NAFLD treatment.
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Affiliation(s)
- Chunyan Yue
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, School of Life Science, Nanjing University, Nanjing , 210093, China; Institute of Drug R&D, Medical School, Nanjing University, Nanjing, 210093, China
| | - Dandan Li
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, School of Life Science, Nanjing University, Nanjing , 210093, China; Institute of Drug R&D, Medical School, Nanjing University, Nanjing, 210093, China
| | - Shuxin Fan
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, School of Life Science, Nanjing University, Nanjing , 210093, China; Institute of Drug R&D, Medical School, Nanjing University, Nanjing, 210093, China
| | - Feng Tao
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, School of Life Science, Nanjing University, Nanjing , 210093, China; Institute of Drug R&D, Medical School, Nanjing University, Nanjing, 210093, China
| | - Yue Yu
- Affiliated Drum Tower Hospital, Medical School, Nanjing University, Nanjing, 210008, China
| | - Wenjing Lu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, School of Life Science, Nanjing University, Nanjing , 210093, China; Institute of Drug R&D, Medical School, Nanjing University, Nanjing, 210093, China
| | - Qian Chen
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, School of Life Science, Nanjing University, Nanjing , 210093, China; Institute of Drug R&D, Medical School, Nanjing University, Nanjing, 210093, China
| | - Ahu Yuan
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, School of Life Science, Nanjing University, Nanjing , 210093, China; Institute of Drug R&D, Medical School, Nanjing University, Nanjing, 210093, China
| | - Jinhui Wu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, School of Life Science, Nanjing University, Nanjing , 210093, China; Institute of Drug R&D, Medical School, Nanjing University, Nanjing, 210093, China
| | - Guoping Zhao
- Key Laboratory of Synthetic Biology, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Hong Dong
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, School of Life Science, Nanjing University, Nanjing , 210093, China; Institute of Drug R&D, Medical School, Nanjing University, Nanjing, 210093, China.
| | - Yiqiao Hu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, School of Life Science, Nanjing University, Nanjing , 210093, China; Institute of Drug R&D, Medical School, Nanjing University, Nanjing, 210093, China.
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40
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Hu D, Tan M, Lu D, Kleiboeker B, Liu X, Park H, Kravitz AV, Shoghi KI, Tseng YH, Razani B, Ikeda A, Lodhi IJ. TMEM135 links peroxisomes to the regulation of brown fat mitochondrial fission and energy homeostasis. Nat Commun 2023; 14:6099. [PMID: 37773161 PMCID: PMC10541902 DOI: 10.1038/s41467-023-41849-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 09/20/2023] [Indexed: 10/01/2023] Open
Abstract
Mitochondrial morphology, which is controlled by mitochondrial fission and fusion, is an important regulator of the thermogenic capacity of brown adipocytes. Adipose-specific peroxisome deficiency impairs thermogenesis by inhibiting cold-induced mitochondrial fission due to decreased mitochondrial membrane content of the peroxisome-derived lipids called plasmalogens. Here, we identify TMEM135 as a critical mediator of the peroxisomal regulation of mitochondrial fission and thermogenesis. Adipose-specific TMEM135 knockout in mice blocks mitochondrial fission, impairs thermogenesis, and increases diet-induced obesity and insulin resistance. Conversely, TMEM135 overexpression promotes mitochondrial division, counteracts obesity and insulin resistance, and rescues thermogenesis in peroxisome-deficient mice. Mechanistically, thermogenic stimuli promote association between peroxisomes and mitochondria and plasmalogen-dependent localization of TMEM135 in mitochondria, where it mediates PKA-dependent phosphorylation and mitochondrial retention of the fission factor Drp1. Together, these results reveal a previously unrecognized inter-organelle communication regulating mitochondrial fission and energy homeostasis and identify TMEM135 as a potential target for therapeutic activation of BAT.
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Affiliation(s)
- Donghua Hu
- Division of Endocrinology, Metabolism & Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Min Tan
- Division of Endocrinology, Metabolism & Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Dongliang Lu
- Division of Endocrinology, Metabolism & Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Brian Kleiboeker
- Division of Endocrinology, Metabolism & Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Xuejing Liu
- Division of Endocrinology, Metabolism & Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Hongsuk Park
- Division of Endocrinology, Metabolism & Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Alexxai V Kravitz
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA
| | - Kooresh I Shoghi
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Yu-Hua Tseng
- Section on Integrative Physiology and Metabolism, Research Division, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Babak Razani
- Cardiovascular Division, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
- University of Pittsburgh School of Medicine and UPMC, Pittsburgh, PA, USA
| | - Akihiro Ikeda
- Department of Medical Genetics, University of Wisconsin-Madison, Madison, WI, USA
| | - Irfan J Lodhi
- Division of Endocrinology, Metabolism & Lipid Research, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA.
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41
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Pinanga YD, Lee HA, Shin EA, Lee H, Pyo KH, Kim JE, Lee EH, Kim W, Kim S, Kim HY, Lee JW. TM4SF5-mediated abnormal food-intake behavior and apelin expression facilitate non-alcoholic fatty liver disease features. iScience 2023; 26:107625. [PMID: 37670786 PMCID: PMC10475478 DOI: 10.1016/j.isci.2023.107625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 07/10/2023] [Accepted: 08/09/2023] [Indexed: 09/07/2023] Open
Abstract
Transmembrane 4 L six family member 5 (TM4SF5) engages in non-alcoholic steatohepatitis (NASH), although its mechanistic roles are unclear. Genetically engineered Tm4sf5 mice fed ad libitum normal chow or high-fat diet for either an entire day or a daytime-feeding (DF) pattern were analyzed for metabolic parameters. Compared to wild-type and Tm4sf5-/- knockout mice, hepatocyte-specific TM4SF5-overexpressing Alb-TGTm4sf5-Flag (TG) mice showed abnormal food-intake behavior during the mouse-inactive daytime, increased apelin expression, increased food intake, and higher levels of NASH features. DF or exogenous apelin injection of TG mice caused severe hepatic pathology. TM4SF5-mediated abnormal food intake was correlated with peroxisomal β-oxidation, mTOR activation, and autophagy inhibition, with triggering NASH phenotypes. Non-alcoholic fatty liver disease (NAFLD) patients' samples revealed a correlation between serum apelin and NAFLD activity score. Altogether, these observations suggest that hepatic TM4SF5 may cause abnormal food-intake behaviors to trigger steatohepatitic features via the regulation of peroxisomal β-oxidation, mTOR, and autophagy.
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Affiliation(s)
- Yangie Dwi Pinanga
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Han Ah Lee
- Department of Internal Medicine, Ewha Womans University College of Medicine, Division of Gastroenterology and Hepatology, Ewha Womans University Mokdong Hospital, Seoul 07985, Republic of Korea
| | - Eun-Ae Shin
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Haesong Lee
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Kyung-hee Pyo
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Ji Eon Kim
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Eun Hae Lee
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Wonsik Kim
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Soyeon Kim
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Hwi Young Kim
- Department of Internal Medicine, Ewha Womans University College of Medicine, Division of Gastroenterology and Hepatology, Ewha Womans University Mokdong Hospital, Seoul 07985, Republic of Korea
| | - Jung Weon Lee
- Department of Pharmacy, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
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42
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Mo Y, Zhao J, Zhao R, Huang Y, Liang Z, Zhou X, Chu J, Pan X, Duan S, Chen S, Mo L, Huang B, Huang Z, Wei J, Zheng Q, Luo W. Loss of ACOX1 in clear cell renal cell carcinoma and its correlation with clinical features. Open Life Sci 2023; 18:20220696. [PMID: 37724116 PMCID: PMC10505341 DOI: 10.1515/biol-2022-0696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 05/18/2023] [Accepted: 07/30/2023] [Indexed: 09/20/2023] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) is a major pathological type of kidney cancer with a poor prognosis due to a lack of biomarkers for early diagnosis and prognosis prediction of ccRCC. In this study, we investigated the aberrant expression of Acyl-coenzyme A oxidase 1 (ACOX1) in ccRCC and evaluated its potential in diagnosis and prognosis. ACOX1 is the first rate-limiting enzyme in the peroxidation β-oxidation pathway and is involved in the regulation of fatty acid oxidative catabolism. The mRNA and protein levels of ACOX1 were significantly downregulated in ccRCC, and its downregulation was closely associated with the tumor-node-metastasis stage of patients. The ROC curves showed that ACOX1 possesses a high diagnostic value for ccRCC. The OS analysis suggested that lower expression of ACOX1 was closely related to the worse outcome of patients. In addition, gene set enrichment analysis suggested that expression of ACOX1 was positively correlated with CDH1, CDH2, CDKL2, and EPCAM, while negatively correlated with MMP9 and VIM, which strongly indicated that ACOX1 may inhibit the invasion and migration of ccRCC by reversing epithelial-mesenchymal transition. Furthermore, we screened out that miR-16-5p is upregulated at the mRNA transcript level in ccRCC and negatively correlated with ACOX1. In conclusion, our results showed that ACOX1 is abnormally low expressed in ccRCC, suggesting that it could serve as a diagnostic and prognostic biomarker for ccRCC. Overexpression of miR-16-5p may be responsible for the inactivation of ACOX1.
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Affiliation(s)
- Yingxi Mo
- Department of Research, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Jun Zhao
- Key Laboratory of High-Incidence-Tumor Prevention & Treatment, Guangxi Medical University, Ministry of Education, Nanning, China
- Affiliated Stomatological Hospital of Guangxi Medical University, Nanning, China
| | - Ran Zhao
- Key Laboratory of High-Incidence-Tumor Prevention & Treatment, Guangxi Medical University, Ministry of Education, Nanning, China
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Yiying Huang
- Key Laboratory of High-Incidence-Tumor Prevention & Treatment, Guangxi Medical University, Ministry of Education, Nanning, China
| | - Ziyuan Liang
- Key Laboratory of High-Incidence-Tumor Prevention & Treatment, Guangxi Medical University, Ministry of Education, Nanning, China
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Xiaoying Zhou
- Key Laboratory of High-Incidence-Tumor Prevention & Treatment, Guangxi Medical University, Ministry of Education, Nanning, China
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Jiemei Chu
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Xinli Pan
- Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Sciences, Nanning, China
| | - Siyu Duan
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Shiman Chen
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Liufang Mo
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Bizhou Huang
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Zhaozhang Huang
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Jiale Wei
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Qian Zheng
- Key Laboratory of High-Incidence-Tumor Prevention & Treatment, Guangxi Medical University, Ministry of Education, Nanning, China
- Life Science Institute, Guangxi Medical University, #22 Shuangyong Road, Nanning, 530021, China
| | - Wenqi Luo
- Department of Pathology, Guangxi Medical University Cancer Hospital, 530021, Nanning, China
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43
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Zhang W, Zhang L, Yao H, Wang Y, Zhang X, Shang L, Chen X, Zeng J. Long-chain dicarboxylic acids play a critical role in inducing peroxisomal β-oxidation and hepatic triacylglycerol accumulation. J Biol Chem 2023; 299:105174. [PMID: 37599002 PMCID: PMC10494467 DOI: 10.1016/j.jbc.2023.105174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 08/13/2023] [Accepted: 08/15/2023] [Indexed: 08/22/2023] Open
Abstract
Recent studies provide evidence that peroxisomal β-oxidation negatively regulates mitochondrial fatty acid oxidation, and induction of peroxisomal β-oxidation causes hepatic lipid accumulation. However, whether there exists a triggering mechanism inducing peroxisomal β-oxidation is not clear. Long-chain dicarboxylic acids (LCDAs) are the product of mono fatty acids subjected to ω-oxidation, and both fatty acid ω-oxidation and peroxisomal β-oxidation are induced under ketogenic conditions, indicating there might be a crosstalk between. Here, we revealed that administration of LCDAs strongly induces peroxisomal fatty acid β-oxidation and causes hepatic steatosis in mice through the metabolites acetyl-CoA and hydrogen peroxide. Under ketogenic conditions, upregulation of fatty acid ω-oxidation resulted in increased generation of LCDAs and induction of peroxisomal β-oxidation, which causes hepatic accumulation of lipid droplets in animals. Inhibition of fatty acid ω-oxidation reduced LCDA formation and significantly lowered peroxisomal β-oxidation and improved hepatic steatosis. Our results suggest that endogenous LCDAs act as triggering molecules inducing peroxisomal β-oxidation and hepatic triacylglycerol deposition. Targeting fatty acid ω-oxidation might be an effective pathway in treating fatty liver and related metabolic diseases through regulating peroxisomal β-oxidation.
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Affiliation(s)
- Wei Zhang
- School of Life Science, Hunan University of Science and Technology, Xiangtan, Hunan, P. R. China
| | - Lina Zhang
- School of Life Science, Hunan University of Science and Technology, Xiangtan, Hunan, P. R. China
| | - Haoya Yao
- School of Life Science, Hunan University of Science and Technology, Xiangtan, Hunan, P. R. China
| | - Yaoqing Wang
- School of Life Science, Hunan University of Science and Technology, Xiangtan, Hunan, P. R. China
| | - Xiao Zhang
- School of Life Science, Hunan University of Science and Technology, Xiangtan, Hunan, P. R. China
| | - Lin Shang
- School of Life Science, Hunan University of Science and Technology, Xiangtan, Hunan, P. R. China
| | - Xiaocui Chen
- School of Life Science, Hunan University of Science and Technology, Xiangtan, Hunan, P. R. China
| | - Jia Zeng
- School of Life Science, Hunan University of Science and Technology, Xiangtan, Hunan, P. R. China.
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44
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Liu B, Meng Q, Gao X, Sun H, Xu Z, Wang Y, Zhou H. Lipid and glucose metabolism in senescence. Front Nutr 2023; 10:1157352. [PMID: 37680899 PMCID: PMC10481967 DOI: 10.3389/fnut.2023.1157352] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 08/09/2023] [Indexed: 09/09/2023] Open
Abstract
Senescence is an inevitable biological process. Disturbances in glucose and lipid metabolism are essential features of cellular senescence. Given the important roles of these types of metabolism, we review the evidence for how key metabolic enzymes influence senescence and how senescence-related secretory phenotypes, autophagy, apoptosis, insulin signaling pathways, and environmental factors modulate glucose and lipid homeostasis. We also discuss the metabolic alterations in abnormal senescence diseases and anti-cancer therapies that target senescence through metabolic interventions. Our work offers insights for developing pharmacological strategies to combat senescence and cancer.
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Affiliation(s)
- Bin Liu
- Department of Urology II, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Qingfei Meng
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Xin Gao
- Department of Urology II, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Huihui Sun
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Zhixiang Xu
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Yishu Wang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Honglan Zhou
- Department of Urology II, The First Hospital of Jilin University, Changchun, Jilin, China
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45
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Chen C, Ren H, Li H, Deng Y, Cui Q, Zhu J, Zhang S, Yu J, Wang H, Yu X, Yang S, Hu X, Peng Y. Identification of crucial modules and genes associated with backfat tissue development by WGCNA in Ningxiang pigs. Front Genet 2023; 14:1234757. [PMID: 37662841 PMCID: PMC10469685 DOI: 10.3389/fgene.2023.1234757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023] Open
Abstract
Fat deposition is an economically important trait in pigs. Ningxiang pig, one of the four famous indigenous breeds in China, is characterized by high fat content. The underlying gene expression pattern in different developmental periods of backfat tissue remains unclear, and the purpose of this investigation is to explore the potential molecular regulators of backfat tissue development in Ningxiang pigs. Backfat tissue (three samples for each stage) was initially collected from different developmental stages (60, 120, 180, 240, 300, and 360 days after birth), and histological analysis and RNA sequencing (RNA-seq) were then conducted. Fragments per kilobase of transcript per million (FPKM) method was used to qualify gene expressions, and differentially expressed genes (DEGs) were identified. Furthermore, strongly co-expressed genes in modules, which were named by color, were clustered by Weighted gene co-expression network analysis (WGCNA) based on dynamic tree cutting algorithm. Gene ontology (GO) and kyoto encyclopedia of genes and genomes (KEGG) enrichment were subsequently implemented, and hub genes were described in each module. Finally, QPCR analysis was employed to validate RNA-seq data. The results showed that adipocyte area increased and adipocyte number decreased with development of backfat tissue. A total of 1,024 DEGs were identified in five comparison groups (120 days vs. 60 days, 180 days vs. 120 days, 240 days vs. 180 days, 300 days vs. 240 days, and 360 days vs. 300 days). The turquoise, red, pink, paleturquoise, darkorange, and darkgreen module had the highest correlation coefficient with 60, 120, 180, 240, 300, and 360 days developmental stage, while the tan, black and turquoise module had strong relationship with backfat thickness, adipocyte area, and adipocyte number, respectively. Thirteen hub genes (ACSL1, ACOX1, FN1, DCN, CHST13, COL1A1, COL1A2, COL6A3, COL5A1, COL14A1, OAZ3, DNM1, and SELP) were recognized. ACSL1 and ACOX1 might perform function in the early developmental stage of backfat tissue (60 days), and FN1, DCN, COL1A1, COL1A2, COL5A1, COL6A3, and COL14A1 have unignorable position in backfat tissue around 120 days developmental stage. Besides, hub genes SELP and DNM1 in modules significantly associated with backfat thickness and adipocyte area might be involved in the process of backfat tissue development. These findings contribute to understand the integrated mechanism underlying backfat tissue development and promote the progress of genetic improvement in Ningxiang pigs.
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Affiliation(s)
- Chen Chen
- Department of Pig Breeding, Key Laboratory of Conservation and Genetic Analysis of Indigenous Pigs, Hunan Institute of Animal and Veterinary Science, Changsha, China
| | - Huibo Ren
- Department of Pig Breeding, Key Laboratory of Conservation and Genetic Analysis of Indigenous Pigs, Hunan Institute of Animal and Veterinary Science, Changsha, China
| | - Huali Li
- Department of Pig Breeding, Key Laboratory of Conservation and Genetic Analysis of Indigenous Pigs, Hunan Institute of Animal and Veterinary Science, Changsha, China
| | - Yuan Deng
- Department of Pig Breeding, Key Laboratory of Conservation and Genetic Analysis of Indigenous Pigs, Hunan Institute of Animal and Veterinary Science, Changsha, China
| | - Qingming Cui
- Department of Pig Breeding, Key Laboratory of Conservation and Genetic Analysis of Indigenous Pigs, Hunan Institute of Animal and Veterinary Science, Changsha, China
| | - Ji Zhu
- Department of Pig Breeding, Key Laboratory of Conservation and Genetic Analysis of Indigenous Pigs, Hunan Institute of Animal and Veterinary Science, Changsha, China
| | - Siyang Zhang
- Hunan Liushahe Ecological Animal Husbandry Co, Ltd., Changsha, China
| | - Jine Yu
- Hunan Liushahe Ecological Animal Husbandry Co, Ltd., Changsha, China
| | - Huiming Wang
- Hunan Liushahe Ecological Animal Husbandry Co, Ltd., Changsha, China
| | - Xiaodan Yu
- Hunan Liushahe Ecological Animal Husbandry Co, Ltd., Changsha, China
| | - Shiliu Yang
- Hunan Liushahe Ecological Animal Husbandry Co, Ltd., Changsha, China
| | - Xionggui Hu
- Department of Pig Breeding, Key Laboratory of Conservation and Genetic Analysis of Indigenous Pigs, Hunan Institute of Animal and Veterinary Science, Changsha, China
| | - Yinglin Peng
- Department of Pig Breeding, Key Laboratory of Conservation and Genetic Analysis of Indigenous Pigs, Hunan Institute of Animal and Veterinary Science, Changsha, China
- Department of Animal Genetics and Breeding, College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
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46
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Park HJ, Choi J, Kim H, Yang DY, An TH, Lee EW, Han BS, Lee SC, Kim WK, Bae KH, Oh KJ. Cellular heterogeneity and plasticity during NAFLD progression. Front Mol Biosci 2023; 10:1221669. [PMID: 37635938 PMCID: PMC10450943 DOI: 10.3389/fmolb.2023.1221669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 07/18/2023] [Indexed: 08/29/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a progressive liver disease that can progress to nonalcoholic steatohepatitis (NASH), NASH-related cirrhosis, and hepatocellular carcinoma (HCC). NAFLD ranges from simple steatosis (or nonalcoholic fatty liver [NAFL]) to NASH as a progressive form of NAFL, which is characterized by steatosis, lobular inflammation, and hepatocellular ballooning with or without fibrosis. Because of the complex pathophysiological mechanism and the heterogeneity of NAFLD, including its wide spectrum of clinical and histological characteristics, no specific therapeutic drugs have been approved for NAFLD. The heterogeneity of NAFLD is closely associated with cellular plasticity, which describes the ability of cells to acquire new identities or change their phenotypes in response to environmental stimuli. The liver consists of parenchymal cells including hepatocytes and cholangiocytes and nonparenchymal cells including Kupffer cells, hepatic stellate cells, and endothelial cells, all of which have specialized functions. This heterogeneous cell population has cellular plasticity to adapt to environmental changes. During NAFLD progression, these cells can exert diverse and complex responses at multiple levels following exposure to a variety of stimuli, including fatty acids, inflammation, and oxidative stress. Therefore, this review provides insights into NAFLD heterogeneity by addressing the cellular plasticity and metabolic adaptation of hepatocytes, cholangiocytes, hepatic stellate cells, and Kupffer cells during NAFLD progression.
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Affiliation(s)
- Hyun-Ju Park
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Juyoung Choi
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Hyunmi Kim
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Da-Yeon Yang
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Tae Hyeon An
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Eun-Woo Lee
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Baek-Soo Han
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
- Biodefense Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
| | - Sang Chul Lee
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Won Kon Kim
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Kwang-Hee Bae
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Kyoung-Jin Oh
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon, Republic of Korea
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Tsai YT, Chang CH, Tsai HY. Rege-1 promotes C. elegans survival by modulating IIS and TOR pathways. PLoS Genet 2023; 19:e1010869. [PMID: 37556491 PMCID: PMC10441803 DOI: 10.1371/journal.pgen.1010869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 08/21/2023] [Accepted: 07/12/2023] [Indexed: 08/11/2023] Open
Abstract
Metabolic pathways are known to sense the environmental stimuli and result in physiological adjustments. The responding processes need to be tightly controlled. Here, we show that upon encountering P. aeruginosa, C. elegans upregulate the transcription factor ets-4, but this upregulation is attenuated by the ribonuclease, rege-1. As such, mutants with defective REGE-1 ribonuclease activity undergo ets-4-dependent early death upon challenge with P. aeruginosa. Furthermore, mRNA-seq analysis revealed associated global changes in two key metabolic pathways, the IIS (insulin/IGF signaling) and TOR (target of rapamycin) kinase signaling pathways. In particular, failure to degrade ets-4 mRNA in activity-defective rege-1 mutants resulted in upregulation of class II longevity genes, which are suppressed during longevity, and activation of TORC1 kinase signaling pathway. Genetic inhibition of either pathway way was sufficient to abolish the poor survival phenotype in rege-1 worms. Further analysis of ETS-4 ChIP data from ENCODE and characterization of one upregulated class II gene, ins-7, support that the Class II genes are activated by ETS-4. Interestingly, deleting an upregulated Class II gene, acox-1.5, a peroxisome β-oxidation enzyme, largely rescues the fat lost phenotype and survival difference between rege-1 mutants and wild-types. Thus, rege-1 appears to be crucial for animal survival due to its tight regulation of physiological responses to environmental stimuli. This function is reminiscent of its mammalian ortholog, Regnase-1, which modulates the intestinal mTORC1 signaling pathway.
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Affiliation(s)
- Yi-Ting Tsai
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chen-Hsi Chang
- School of Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Hsin-Yue Tsai
- Institute of Molecular Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
- Center of Precision Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
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48
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Yang W, Ling X, He S, Cui H, Yang Z, An H, Wang L, Zou P, Chen Q, Liu J, Ao L, Cao J. PPARα/ACOX1 as a novel target for hepatic lipid metabolism disorders induced by per- and polyfluoroalkyl substances: An integrated approach. ENVIRONMENT INTERNATIONAL 2023; 178:108138. [PMID: 37572494 DOI: 10.1016/j.envint.2023.108138] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 07/12/2023] [Accepted: 08/07/2023] [Indexed: 08/14/2023]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) are persistent and ubiquitous environmental contaminants with well-documented hepatotoxicity. However, the mechanistic linkage between PFAS exposure and non-alcoholic fatty liver disease (NAFLD) remains largely elusive. OBJECTIVES This study aimed to explore PFAS-to-NAFLD link and the relevant molecular mechanisms. METHODS The cross-sectional analyses using National Health and Nutrition Examination Survey (NHANES) data were conducted to investigate the association between PFAS exposure and NAFLD. A combination of in silico toxicological analyses, bioinformatics approaches, animal experiments, and in vitro assays was used to explore the molecular initiating events (MIEs) and key events (KEs) in PFAS-induced hepatic lipid metabolism disorders. RESULTS The cross-sectional analyses with NHANES data revealed the significant association between PFAS exposure and hepatic steatosis/NAFLD. The in silico toxicological analyses showed that PPARα activation induced by perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS), prototypical representatives of PFAS, is the critical MIE associated with NAFLD-predominant liver diseases. Transcriptome-based bioinformatic annotation and analyses identified that transcriptional upregulation of hepatic acyl-CoA oxidase 1 (ACOX1) in PPARα-regulated peroxisomal β-oxidation pathway was the KE involved with PFOA/PFOS-perturbed hepatic lipid metabolic pathways in humans, mice and rats. The in vivo and in vitro assays further verified that ACOX1-mediated oxidative stress contributed to mitochondrial compromise and lipid accumulation in PFOA/PFOS-exposed mouse hepatocytes, which could be mitigated by co-treatment with ACOX1 inhibitor and mitochondria ROS scavenger. Additionally, we observed that besides PFOA and PFOS, hepatic ACOX1 exhibited good-fit response to short-term exposures of long-chain (C7-C10) perfluoroalkyl carboxylic acids (PFHpA, PFNA, PFDA) and perfluoroalkyl sulfonic acids (PFHpS, PFDS) in human hepatocyte spheroids through benchmark dose (BMD) modeling. CONCLUSION Our study unveils a novel molecular target for PFAS-induced hepatic lipid metabolic disorders, shedding new light on prediction, assessment, and mitigation of PFAS hepatotoxicity.
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Affiliation(s)
- Wang Yang
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Xi Ling
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Shijun He
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Haonan Cui
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Zeyu Yang
- Department of Breast and Thyroid Surgery, Chongqing General Hospital, Chongqing 401147, China
| | - Huihui An
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Lihong Wang
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Peng Zou
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Qing Chen
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Jinyi Liu
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Lin Ao
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China.
| | - Jia Cao
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China.
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Huang X, Liu X, Li X, Zhang Y, Gao J, Yang Y, Jiang Y, Gao H, Sun C, Xuan L, Zhao L, Song J, Bao H, Zhou Z, Li S, Zhang X, Lu Y, Zhong X, Yang B, Pan Z. Cullin-associated and neddylation-dissociated protein 1 (CAND1) alleviates NAFLD by reducing ubiquitinated degradation of ACAA2. Nat Commun 2023; 14:4620. [PMID: 37528093 PMCID: PMC10394019 DOI: 10.1038/s41467-023-40327-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 07/24/2023] [Indexed: 08/03/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common liver disorder with high morbidity and mortality. The current study aims to explore the role of Cullin-associated and neddylation-dissociated protein 1 (CAND1) in the development of NAFLD and the underlying mechanisms. CAND1 is reduced in the liver of NAFLD male patients and high fat diet (HFD)-fed male mice. CAND1 alleviates palmitate (PA) induced lipid accumulation in vitro. Hepatocyte-specific knockout of CAND1 exacerbates HFD-induced liver injury in HFD-fed male mice, while hepatocyte-specific knockin of CAND1 ameliorates these pathological changes. Mechanistically, deficiency of CAND1 enhances the assembly of Cullin1, F-box only protein 42 (FBXO42) and acetyl-CoA acyltransferase 2 (ACAA2) complexes, and thus promotes the ubiquitinated degradation of ACAA2. ACAA2 overexpression abolishes the exacerbated effects of CAND1 deficiency on NAFLD. Additionally, androgen receptor binds to the -187 to -2000 promoter region of CAND1. Collectively, CAND1 mitigates NAFLD by inhibiting Cullin1/FBXO42 mediated ACAA2 degradation.
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Affiliation(s)
- Xiang Huang
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Xin Liu
- The Department of Histology and Embryology, Harbin Medical University, Harbin, 150086, China
| | - Xingda Li
- Department of Pharmacy at the Second Affiliated Hospital, and Department of Pharmacology at College of Pharmacy (The Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, Harbin, 150086, China
| | - Yang Zhang
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Jianjun Gao
- The Department of Hepatopancreatobility, Surgery Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China
| | - Ying Yang
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Yuan Jiang
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Haiyu Gao
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Chongsong Sun
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Lina Xuan
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Lexin Zhao
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Jiahui Song
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Hairong Bao
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Zhiwen Zhou
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Shangxuan Li
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Xiaofang Zhang
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China
| | - Yanjie Lu
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China.
| | - Xiangyu Zhong
- The Department of Hepatopancreatobility, Surgery Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China.
| | - Baofeng Yang
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China.
- Research Unit of Noninfectious Chronic Diseases in Frigid Zone, Chinese Academy of Medical Sciences, 2019 Research Unit 070, Harbin, Heilongjiang, 150086, P. R. China.
- State Key Laboratory, Harbin Medical University, Harbin, 150086, China.
| | - Zhenwei Pan
- Department of Pharmacology (National Key Laboratory of Frigid Zone Cardiovascular Disease, Key Laboratory of Cardiovascular Research. Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, 150086, P. R. China.
- Research Unit of Noninfectious Chronic Diseases in Frigid Zone, Chinese Academy of Medical Sciences, 2019 Research Unit 070, Harbin, Heilongjiang, 150086, P. R. China.
- Key Laboratory of Cell Transplantation, The First Affiliated Hospital, Harbin Medical University, Harbin, 150086, China.
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50
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Jang HJ, Lee YH, Dao T, Jo Y, Khim KW, Eom HJ, Lee JE, Song YJ, Choi SS, Park K, Ji H, Chae YC, Myung K, Kim H, Ryu D, Park NH, Park SH, Choi JH. Thrap3 promotes nonalcoholic fatty liver disease by suppressing AMPK-mediated autophagy. Exp Mol Med 2023; 55:1720-1733. [PMID: 37524868 PMCID: PMC10474030 DOI: 10.1038/s12276-023-01047-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 03/14/2023] [Accepted: 04/30/2023] [Indexed: 08/02/2023] Open
Abstract
Autophagy functions in cellular quality control and metabolic regulation. Dysregulation of autophagy is one of the major pathogenic factors contributing to the progression of nonalcoholic fatty liver disease (NAFLD). Autophagy is involved in the breakdown of intracellular lipids and the maintenance of healthy mitochondria in NAFLD. However, the mechanisms underlying autophagy dysregulation in NAFLD remain unclear. Here, we demonstrate that the hepatic expression level of Thrap3 was significantly increased in NAFLD conditions. Liver-specific Thrap3 knockout improved lipid accumulation and metabolic properties in a high-fat diet (HFD)-induced NAFLD model. Furthermore, Thrap3 deficiency enhanced autophagy and mitochondrial function. Interestingly, Thrap3 knockout increased the cytosolic translocation of AMPK from the nucleus and enhanced its activation through physical interaction. The translocation of AMPK was regulated by direct binding with AMPK and the C-terminal domain of Thrap3. Our results indicate a role for Thrap3 in NAFLD progression and suggest that Thrap3 is a potential target for NAFLD treatment.
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Affiliation(s)
- Hyun-Jun Jang
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju, 58245, Republic of Korea
| | - Yo Han Lee
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Tam Dao
- Department of Molecular Cell Biology, Sungkyunkwan University (SKKU) School of Medicine, Suwon, 16419, Republic of Korea
| | - Yunju Jo
- Department of Molecular Cell Biology, Sungkyunkwan University (SKKU) School of Medicine, Suwon, 16419, Republic of Korea
| | - Keon Woo Khim
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Hye-Jin Eom
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Ju Eun Lee
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Yi Jin Song
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Sun Sil Choi
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Kieun Park
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Haneul Ji
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Young Chan Chae
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Kyungjae Myung
- Center for Genomic Integrity, Institute for Basic Science, Ulsan, 44919, Republic of Korea
| | - Hongtae Kim
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Dongryeol Ryu
- Department of Molecular Cell Biology, Sungkyunkwan University (SKKU) School of Medicine, Suwon, 16419, Republic of Korea
| | - Neung Hwa Park
- Department of Internal Medicine, University of Ulsan College of Medicine, Ulsan University Hospital, Ulsan, 44033, Republic of Korea.
| | - Sung Ho Park
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.
| | - Jang Hyun Choi
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.
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