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Zhou HX, Jiang Q, He X, Fu X, Liu JY. A complementary method with PFBBr-derivatization based on a GC-EI-MS platform for the simultaneous quantitation of short-, medium- and long-chain fatty acids in murine plasma and feces samples. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:2330-2339. [PMID: 38562090 DOI: 10.1039/d3ay02271d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Fatty acids (FAs) are essential molecules in all organisms and are involved in various physiological and pathophysiological processes. Pentafluorobenzyl bromide (PFBBr) is commonly used for FA derivatization for gas chromatography-mass spectrometry (GC-MS) quantification by chemical ionization (CI). While CI is the conventional ionization mode for PFBBr derivatization, the electron ionization (EI) source has also demonstrated efficacy in achieving satisfactory analytical performance for the analysis of PFB esters. In this study, we present a novel approach utilizing PFBBr-derivatization on a GC-EI-MS platform to quantitatively analyze a comprehensive range of 44 fatty acids (FAs) spanning from C2 to C24. The method's sensitivity, precision, accuracy, linearity, recovery, and matrix effect were rigorously validated against predetermined acceptance criteria. In comparison to the conventional CI ionization mode, the utilization of PFBBr-derivatization in GC-EI-MS exhibits a wider range of applications and achieves comparable sensitivity levels to the conventional CI platform. By using this method, we successfully quantified 44 FAs in plasma and feces samples from the mice with deoxynivalenol (DON)-induced kidney injury. Among these, the levels of most FA species were increased in the DON-exposure group compared with the control group. The orthogonal partial least squares discriminant analysis (OPLS-DA) of all the tested FAs showed a visual separation of the two groups, indicating DON exposure resulted in a disturbance of the FA profile in mice. These results indicate that the established method by integration of GC-MS with PFBBr derivatization is an efficient approach to quantify the comprehensive FA profile, which includes short-, medium- and long-chain FAs. In addition, our study provides new insights into the mechanism underlying DON exposure-induced kidney injury.
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Affiliation(s)
- Hong-Xu Zhou
- CNTTI of the Institute of Life Sciences & Anesthesia Department of the Second Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China.
- Basic Medicine Research and Innovation Center for Novel Target and Therapeutic Intervention, Ministry of Education, Chongqing, 400016, China
| | - Qing Jiang
- CNTTI of the Institute of Life Sciences & Anesthesia Department of the Second Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China.
- Basic Medicine Research and Innovation Center for Novel Target and Therapeutic Intervention, Ministry of Education, Chongqing, 400016, China
| | - Xin He
- CNTTI of the Institute of Life Sciences & Anesthesia Department of the Second Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China.
- Basic Medicine Research and Innovation Center for Novel Target and Therapeutic Intervention, Ministry of Education, Chongqing, 400016, China
| | - Xian Fu
- CNTTI of the Institute of Life Sciences & Anesthesia Department of the Second Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China.
- Basic Medicine Research and Innovation Center for Novel Target and Therapeutic Intervention, Ministry of Education, Chongqing, 400016, China
| | - Jun-Yan Liu
- CNTTI of the Institute of Life Sciences & Anesthesia Department of the Second Affiliated Hospital, Chongqing Medical University, Chongqing, 400016, China.
- Basic Medicine Research and Innovation Center for Novel Target and Therapeutic Intervention, Ministry of Education, Chongqing, 400016, China
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Chai T, Shen J, Sheng Y, Huang Y, Liang W, Zhang Z, Zhao R, Shang H, Cheng W, Zhang H, Chen X, Huang X, Zhang Y, Liu J, Yang H, Wang L, Pan S, Chen Y, Han L, Qiu Q, Gao A, Wei H, Fang X. Effects of flora deficiency on the structure and function of the large intestine. iScience 2024; 27:108941. [PMID: 38333708 PMCID: PMC10850757 DOI: 10.1016/j.isci.2024.108941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 11/03/2023] [Accepted: 01/15/2024] [Indexed: 02/10/2024] Open
Abstract
The significant anatomical changes in large intestine of germ-free (GF) mice provide excellent material for understanding microbe-host crosstalk. We observed significant differences of GF mice in anatomical and physiological involving in enlarged cecum, thinned mucosal layer and enriched water in cecal content. Furthermore, integration analysis of multi-omics data revealed the associations between the structure of large intestinal mesenchymal cells and the thinning of the mucosal layer. Increased Aqp8 expression in GF mice may contribute to enhanced water secretion or altered hydrodynamics in the cecum. In addition, the proportion of epithelial cells, nutrient absorption capacity, immune function and the metabolome of cecum contents of large intestine were also significantly altered. Together, this is the first systematic study of the transcriptome and metabolome of the cecum and colon of GF mice, and these findings contribute to our understanding of the intricate interactions between microbes and the large intestine.
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Affiliation(s)
- Tailiang Chai
- University of the Chinese Academy of Sciences, College of Life Sciences, Beijing, Beijing, China
- BGI, Shenzhen, Guangdong, China
| | | | - Yifei Sheng
- University of the Chinese Academy of Sciences, College of Life Sciences, Beijing, Beijing, China
- BGI, Shenzhen, Guangdong, China
| | | | | | - Zhao Zhang
- University of the Chinese Academy of Sciences, College of Life Sciences, Beijing, Beijing, China
- BGI, Shenzhen, Guangdong, China
| | - Ruizhen Zhao
- University of the Chinese Academy of Sciences, College of Life Sciences, Beijing, Beijing, China
- BGI, Shenzhen, Guangdong, China
| | - Haitao Shang
- Sun Yat-sen University First Affiliated Hospital, Precision Medicine Institute, Guangzhou, Guangdong, China
| | - Wei Cheng
- Huazhong Agricultural University, College of Animal Sciences and Technology, Wuhan, Hubei, China
| | - Hang Zhang
- Huazhong Agricultural University, College of Animal Sciences and Technology, Wuhan, Hubei, China
| | - Xueting Chen
- University of the Chinese Academy of Sciences, College of Life Sciences, Beijing, Beijing, China
- BGI, Shenzhen, Guangdong, China
| | - Xiang Huang
- University of the Chinese Academy of Sciences, College of Life Sciences, Beijing, Beijing, China
| | - Yin Zhang
- University of the Chinese Academy of Sciences, College of Life Sciences, Beijing, Beijing, China
- BGI, Shenzhen, Guangdong, China
| | | | | | | | | | - Yang Chen
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Lijuan Han
- Department of Scientific Research, Kangmeihuada GeneTech Co., Ltd. (KMHD), Shenzhen, China
| | - Qinwei Qiu
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Aibo Gao
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Hong Wei
- Sun Yat-sen University First Affiliated Hospital, Precision Medicine Institute, Guangzhou, Guangdong, China
| | - Xiaodong Fang
- BGI, Shenzhen, Guangdong, China
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
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Zhao Q, Hu Q, Meng S, Zhang Q, Wang T, Liu C, Liu D, Jiang Z, Hong X. Metabolic profiling of patients with different idiopathic inflammatory myopathy subtypes reveals potential biomarkers in plasma. Clin Exp Med 2023; 23:3417-3429. [PMID: 37103652 PMCID: PMC10618316 DOI: 10.1007/s10238-023-01073-6] [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: 02/27/2023] [Accepted: 04/07/2023] [Indexed: 04/28/2023]
Abstract
Idiopathic inflammatory myopathy (IIM) are heterogeneous autoimmune diseases that primarily affect the proximal muscles. IIM subtypes include dermatomyositis (DM), polymyositis (PM), and anti-synthetase syndrome (ASS). Metabolic disturbances may cause irreversible structural damage to muscle fibers in patients with IIM. However, the metabolite profile of patients with different IIM subtypes remains elusive. To investigate metabolic alterations and identify patients with different IIM subtypes, we comprehensively profiled plasma metabolomics of 46 DM, 13 PM, 12 ASS patients, and 30 healthy controls (HCs) using UHPLC-Q Exactive HF mass spectrometer. Multiple statistical analyses and random forest were used to discover differential metabolites and potential biomarkers. We found that tryptophan metabolism, phenylalanine and tyrosine metabolism, fatty acid biosynthesis, beta-oxidation of very long chain fatty acids, alpha-linolenic acid and linoleic acid metabolism, steroidogenesis, bile acid biosynthesis, purine metabolism, and caffeine metabolism are all enriched in the DM, PM, and ASS groups. We also found that different subtypes of IIM have their unique metabolic pathways. We constructed three models (five metabolites) to identify DM, PM, ASS from HC in the discovery and validation sets. Five to seven metabolites can distinguish DM from PM, DM from ASS, and PM from ASS. A panel of seven metabolites can identify anti-melanoma differentiation-associated gene 5 positive (MDA5 +) DM with high accuracy in the discovery and validation sets. Our results provide potential biomarkers for diagnosing different subtypes of IIM and a better understanding of the underlying mechanisms of IIM.
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Affiliation(s)
- Qianqian Zhao
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, 510632, China
| | - Qiu Hu
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China
| | - Shuhui Meng
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China
| | - Qinguo Zhang
- The Office of Healthcare Committee of Shenzhen Municipal, Shenzhen, 518020, China
| | - Tingting Wang
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, 510632, China
| | - Cuilian Liu
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China
| | - Dongzhou Liu
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, 510632, China
- Shenzhen People's Hospital, The Frist Affiliated Hospital of Southern University of Science and Technology, Shenzhen, 518020, China
| | - Zhenyou Jiang
- Department of Microbiology and Immunology, College of Basic Medicine and Public Hygiene, Jinan University, Guangzhou, 510632, China.
| | - Xiaoping Hong
- Department of Rheumatology and Immunology, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China.
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, 510632, China.
- Shenzhen People's Hospital, The Frist Affiliated Hospital of Southern University of Science and Technology, Shenzhen, 518020, China.
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Shi Z, Wang Y, Yan X, Ma X, Duan A, Hassan FU, Wang W, Deng T. Metagenomic and metabolomic analyses reveal the role of gut microbiome-associated metabolites in diarrhea calves. mSystems 2023; 8:e0058223. [PMID: 37615434 PMCID: PMC10654109 DOI: 10.1128/msystems.00582-23] [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: 06/06/2023] [Accepted: 07/17/2023] [Indexed: 08/25/2023] Open
Abstract
IMPORTANCE Calf diarrhea is of great concern to the global dairy industry as it results in significant economic losses due to lower conception rates, reduced milk production, and early culling. Although there is evidence of an association between altered gut microbiota and diarrhea, remarkably little is known about the microbial and metabolic mechanisms underlying the link between gut microbiota dysbiosis and the occurrence of calf diarrhea. Here, we used fecal metagenomic and metabolomic analyses to demonstrate that gut microbiota-driven metabolic disorders of purine or arachidonic acid were associated with calf diarrhea. These altered gut microbiotas play vital roles in diarrhea pathogenesis and indicate that gut microbiota-targeted therapies could be useful for both prevention and treatment of diarrhea.
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Affiliation(s)
- Zhihai Shi
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China
| | - Yazhou Wang
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China
| | - Xiangzhou Yan
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, Henan, China
| | - Xiaoya Ma
- Guangxi Provincial Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, Guangxi, China
| | - Anqin Duan
- Guangxi Provincial Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, Guangxi, China
| | - Faiz-ul Hassan
- Institute of Animal and Dairy Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Wenjia Wang
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China
| | - Tingxian Deng
- Guangxi Provincial Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, Guangxi, China
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Miyoshi M, Usami M, Nishiyama Y, Kai M, Suzuki A, Maeshige N, Yamaguchi A, Ma X, Shinohara M. Soleus muscle contains a higher concentration of lipid metabolites than extensor digitorum longus in rats with lipopolysaccharide-induced acute muscle atrophy. Clin Nutr ESPEN 2023; 57:48-57. [PMID: 37739695 DOI: 10.1016/j.clnesp.2023.06.011] [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: 11/30/2022] [Revised: 06/08/2023] [Accepted: 06/15/2023] [Indexed: 09/24/2023]
Abstract
BACKGROUND & AIMS Muscle atrophy is one of the most important and frequent problems for critically ill patients. The purpose of this study was to evaluate the effect of lipid mediators on acute muscle atrophy. Skeletal muscle fiber-specific analysis of lipid mediators in endotoxemic rats was therefore performed. METHODS Male Wistar rats were intraperitoneally injected with lipopolysaccharide (LPS). Slow-twitch soleus muscle and fast-twitch extensor digitorum longus (EDL) muscle were harvested 0, 6, and 24 h after LPS injection. Lipid mediators were profiled using liquid chromatography-tandem mass spectrometry, and free fatty acid (FFA) concentrations were measured using gas chromatography-mass spectrometry. Muscles were weighed and their cross-sectional areas were evaluated. Expression levels of mRNAs encoding inflammatory cytokines, autophagy-related transcription factors, and members of the ubiquitin-proteasome system were measured using real-time PCR. RESULTS Before LPS injection, the concentrations of all FFAs, including arachidonic acid, eicosapentaenoic acid, and docosahexaenoic acid, and all measured lipid mediators were higher in soleus muscle than in EDL muscle, especially those of pro-inflammatory prostaglandin E2 (PGE2) and leukotriene B4. LPS injection, increased PGE2 and D2 and decreased FFAs in soleus muscle but did not change in EDL muscle. The concentrations of specialized pro-resolving mediators E-series hydroxy-eicosapentaenoic acid and D-series hydroxy-docosahexaenoic acid were higher in soleus muscle. Muscle cross-sectional area decreased and the expression level of atrogin-1 was upregulated in EDL muscle, but both were unchanged in soleus muscle. After LPS injection, a discrepancy involving an increased PGE2 concentration and decreased muscle atrophy was identified in this acute muscle atrophy model of critical illness. CONCLUSION Concentrations of FFAs and lipid mediators were higher in soleus muscle than in EDL muscle, and LPS injection rapidly increased concentrations of pro-inflammatory lipid mediators. However, muscle atrophy with upregulation of autophagy-related transcription factors was observed in EDL muscle but not in soleus muscle.
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Affiliation(s)
- Makoto Miyoshi
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan.
| | - Makoto Usami
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan; Faculty of Clinical Nutrition and Dietetics, Konan Women's University, Kobe, Japan
| | - Yuya Nishiyama
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Motoki Kai
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Ayumi Suzuki
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Noriaki Maeshige
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Atomu Yamaguchi
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Xiaoqi Ma
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Masakazu Shinohara
- The Integrated Center for Mass Spectrometry, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Epidemiology, Kobe University Graduate School of Medicine, Kobe, Japan
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Tang H, Kuang Y, Wu W, Peng B, Fu Q. Quercetin inhibits the metabolism of arachidonic acid by inhibiting the activity of CYP3A4, thereby inhibiting the progression of breast cancer. Mol Med 2023; 29:127. [PMID: 37710176 PMCID: PMC10502985 DOI: 10.1186/s10020-023-00720-8] [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: 03/06/2023] [Accepted: 08/25/2023] [Indexed: 09/16/2023] Open
Abstract
BACKGROUND Recent years have witnessed impressive growth in applying natural medicine in tumor treatment. Saffron is reported to elicit an inhibitory property against BC. Herein, we sought to explore the specific components and mechanistic basis of saffron's anti-breast carcinoma (BC) function. METHODS Bioinformatics analysis was employed to analyze saffron components' anti-BC activity and screen the corresponding target genes involved in BC. Then, the roles of the main saffron ingredient quercetin in the activity of BC cells were examined using CCK-8, MTS, flow cytometry, colony formation, Transwell, and Gelatin zymogram assays. Additionally, the interactions among Quercetin, EET, and Stat3 were assessed by immunofluorescence and Western blot, and LC-MS/MS determined the levels of AA, EETs, and CYP3A. Finally, BC xenograft mouse models were established to verify the anti-BC function of Quercetin in vivo. RESULTS Quercetin, the main active component of saffron, inhibited BC progression. Quercetin suppressed BC cell growth, migration, and invasion and inhibited CYP3A4 expression and activity in BC. Mechanistically, Quercetin down-regulated CYP3A4 to block the nuclear translocation of Stat3 by decreasing the metabolization of AA to EETs, thereby alleviating BC. Moreover, exogenously added EETs counteracted the anti-tumor effect of Quercetin on BC. Quercetin also inhibited the tumor growth of tumor-bearing nude mice. CONCLUSION Quercetin could inhibit the activity of CYP3A to down-regulate AA metabolites EETs, consequently hampering p-Stat3 and nuclear translocation, thus impeding BC development.
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Affiliation(s)
- Huaming Tang
- Department of Pancreatic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Lane, Wuhou District, Sichuan Province, Chengdu, 610000, People's Republic of China
| | - Yuanli Kuang
- Department of General Surgery, Chongqing Kaizhou District People's Hospital, Chongqing, 400700, People's Republic of China
| | - Wan Wu
- Department of General Surgery, Chongqing Kaizhou District People's Hospital, Chongqing, 400700, People's Republic of China
| | - Bing Peng
- Department of Pancreatic Surgery, West China Hospital, Sichuan University, No. 37, Guoxue Lane, Wuhou District, Sichuan Province, Chengdu, 610000, People's Republic of China.
| | - Qianmei Fu
- Department of Oncology, Chongqing Kaizhou District People's Hospital, No. 8, Ankang Road, Hanfeng Street, Kaizhou District, Chongqing, 400700, People's Republic of China.
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Li H, Wang L, Zhang L, Liu J, Zhang H, Wang D, Yang W. Study on material basis and anti-hypertensive metabolomics of different extraction methods of the Uncaria rhynchophylla Scrophularia Formula. J Pharm Biomed Anal 2023; 233:115464. [PMID: 37209496 DOI: 10.1016/j.jpba.2023.115464] [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: 04/15/2023] [Revised: 05/16/2023] [Accepted: 05/16/2023] [Indexed: 05/22/2023]
Abstract
Hypertension is one of the most challenging public health problems worldwide. Previous studies suggested that the Uncaria rhynchophylla Scrophularia Formula (URSF), a medical institution preparation of the affiliated Hospital of Shandong University of Traditional Chinese Medicine, is effective for essential hypertension. However, the efficacy of URSF for hypertension remains unclear. We aimed to clarify the anti-hypertensive mechanism of the URSF. The material basis of URSF was identified by the LC-MS. We also evaluated the antihypertensive efficacy of URSF on SHR rats by body weight, blood pressure and biochemical indicators. The LC-MS spectrometry-based serum non-targeted metabolomics was used to seek potential biomarkers and relevant pathways for URSF in the treatment of SHR rats. 56 biomarkers were metabolically disturbed in SHR rats in the model group compared with the control group. After URSF intervention, 13 biomarkers showed a recovery in the optimal method compared with the other three groups. We identified 3 metabolic pathways in which URSF is involved: the arachidonic acid metabolism pathway, the niacin and nicotinamide metabolism pathway, and the purine metabolism pathway. These discoveries offer a basis for the study of URSF for the treatment of hypertension.
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Affiliation(s)
- Haichao Li
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Lihua Wang
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Ling Zhang
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Jinlei Liu
- Shandong Gujinzhong Medicine Technology Co., Ltd, Jinan 250104, China
| | - Hao Zhang
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Danyang Wang
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
| | - Wenqing Yang
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
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Pu Q, Wang M, Jiang N, Luo Y, Li X, Hu C, Du D. Novel Isotope-Labeled Derivatization Strategy for the Simultaneous Analysis of Fatty Acids and Fatty Alcohols and Its Application in Idiopathic Inflammatory Myopathies and Pancreatic Cancer. Anal Chem 2023; 95:8197-8205. [PMID: 37191225 DOI: 10.1021/acs.analchem.2c05558] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Fatty acids (FAs) and fatty alcohols (FOHs) are essential compounds for maintaining life. Due to the inherent poor ionization efficiency, low abundance, and complex matrix effect, such metabolites are challenging to precisely quantify and explore deeply. In this study, a pair of novel isotope derivatization reagents known as d0/d5-1-(2-oxo-2-(piperazin-1-yl) ethyl) pyridine-1-ium (d0/d5-OPEPI) were designed and synthesized, and an in-depth screening strategy for FAs and FOHs was established based on d0/d5-OPEPI coupled with liquid chromatography-tandem high-resolution mass spectrometry (LC-HRMS/MS). Using this approach, a total of 332 metabolites were identified and annotated (some of the FAs and FOHs were reconfirmed by standards). Our results demonstrated that OPEPI labeling could significantly enhance the MS response of FAs and FOHs via the introduction of permanently charged tags. The detection sensitivities of FAs were increased by 200-2345-fold compared with the nonderivatization method. At the same time, for FOHs, due to the absence of ionizable functional groups, sensitive detection was achieved utilizing OPEPI derivatization. One-to-one internal standards were provided by using d5-OPEPI labeling to minimize the errors in quantitation. Moreover, the method validation results showed that the method was stable and reliable. Finally, the established method was successfully applied to the study of the FA and FOH profiles of two heterogeneous severe clinical disease tissues. This study would improve our understanding of the pathological and metabolic mechanisms of FAs and FOHs for inflammatory myopathies and pancreatic cancer and also prove the generality and accuracy of the developed analytical method for complex samples.
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Affiliation(s)
- Qianlun Pu
- Advanced Mass Spectrometry Center, Research Core Facility, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital/West China Medical School, Sichuan University, Chengdu 610041, China
| | - Manjiangcuo Wang
- Advanced Mass Spectrometry Center, Research Core Facility, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital/West China Medical School, Sichuan University, Chengdu 610041, China
| | - Na Jiang
- Advanced Mass Spectrometry Center, Research Core Facility, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital/West China Medical School, Sichuan University, Chengdu 610041, China
| | - Yubin Luo
- Laboratory of Rheumatology & Immunology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xia Li
- Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Chenggong Hu
- Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Dan Du
- Advanced Mass Spectrometry Center, Research Core Facility, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital/West China Medical School, Sichuan University, Chengdu 610041, China
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Fountain WA, Naruse M, Claiborne A, Trappe S, Trappe TA. Controlling Inflammation Improves Aging Skeletal Muscle Health. Exerc Sport Sci Rev 2023; 51:51-56. [PMID: 36722844 PMCID: PMC10033374 DOI: 10.1249/jes.0000000000000313] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Chronic inflammation is associated with a decline in aging skeletal muscle health. Inflammation also seems to interfere with the beneficial skeletal muscle adaptations conferred by exercise training in older individuals. We hypothesize that the cyclooxygenase pathway is partially responsible for this negative inflammatory influence on aging skeletal muscle health and plasticity.
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10
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Zuntini ACS, Damico MV, Gil CD, Godinho RO, Pacini ESA, Fortes-Dias CL, Moreira V. The early inhibition of the COX-2 pathway in viperid phospholipase A 2-induced skeletal muscle myotoxicity accelerates the tissue regeneration. Toxicol Appl Pharmacol 2023; 461:116384. [PMID: 36702313 DOI: 10.1016/j.taap.2023.116384] [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: 06/22/2022] [Revised: 01/12/2023] [Accepted: 01/16/2023] [Indexed: 01/25/2023]
Abstract
The administration of non-steroidal anti-inflammatory drugs in the treatment of injury and muscle regeneration is still contradictory in effectiveness, especially regarding the timing of their administration. This can interfere with the production of prostaglandins originating from inflammatory isoform cyclooxygenase-2 (COX-2), which is essential to modulate tissue regeneration. The phospholipases A2 (PLA2) from viperid venoms cause myotoxicity, therefore constituting a tool for the study of supportive therapies to improve skeletal muscle regeneration. This study investigated the effect of early administration of lumiracoxib (selective inhibitor of COX-2) on the degeneration and regeneration stages of skeletal muscle after injury induced by a myotoxic PLA2. After 30 min and 48 h of intramuscular injection of PLA2, mice received lumiracoxib orally and histological, functional, and transcriptional parameters of muscle were evaluated from 6 h to 21 days. Inhibition of COX-2 in the early periods of PLA2-induced muscle degeneration reduced leukocyte influx, edema, and tissue damage. After the second administration of lumiracoxib, in regenerative stage, muscle showed increase in number of basophilic fibers, reduction in fibrosis content and advanced recovery of functionality characterized by the presence of fast type II fibers. The expression of Pax7 and myogenin were increased, indicating a great capacity for storing satellite cells and advanced mature state of tissue. Our data reveals a distinct role of COX-2-derived products during muscle degeneration and regeneration, in which early administration of lumiracoxib was a therapeutic strategy to modulate the effects of prostaglandins, providing a breakthrough in muscle tissue regeneration induced by a myotoxic PLA2.
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Affiliation(s)
- Ana Carolina Siqueira Zuntini
- Departamento de Farmacologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil
| | - Marcio Vinícius Damico
- Departamento de Farmacologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil
| | - Cristiane Damas Gil
- Departamento de Morfologia e Genética, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo 04023-900, Brazil
| | - Rosely Oliveira Godinho
- Departamento de Farmacologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil
| | - Enio Setsuo Arakaki Pacini
- Departamento de Farmacologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil
| | | | - Vanessa Moreira
- Departamento de Farmacologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil.
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11
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Ning H, Ren H, Zhao Y, Yin H, Gan Z, Shen Y, Yu Y. Targeting the DP2 receptor alleviates muscle atrophy and diet-induced obesity in mice through oxidative myofiber transition. J Cachexia Sarcopenia Muscle 2023; 14:342-355. [PMID: 36527201 PMCID: PMC9891918 DOI: 10.1002/jcsm.13136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 10/19/2022] [Accepted: 10/27/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Mammalian skeletal muscles consist of two main fibre types: slow-twitch (type I, oxidative) and fast-twitch (type IIa, fast oxidative; type IIb/IIx, fast glycolytic). Muscle fibre composition switch is closely associated with chronic diseases such as muscle atrophy, obesity, type II diabetes and athletic performance. Prostaglandin D2 (PGD2 ) is a bioactive lipid derived from arachidonic acid that aggravates muscle damage and wasting during muscle atrophy. This study aimed to investigate the precise mechanisms underlying PGD2 -mediated muscle homeostasis and myogenesis. METHODS Skeletal muscle-specific PGD2 receptor DP2-deficient mice (DP2fl/fl HSACre ) and their littermate controls (DP2fl/fl ) were subjected to exhaustive exercise and fed a high-fat diet (HFD). X-linked muscular dystrophy (MDX) mice and HFD-challenged mice were treated with the selective DP2 inhibitor CAY10471. Exercise tolerance, body weight, glycometabolism and skeletal muscle fibre composition were measured to determine the role of the skeletal muscle PGD2 /DP2 signalling axis in obesity and muscle disorders. Multiple genetic and pharmacological approaches were also used to investigate the intracellular signalling cascades underlying the PGD2 /DP2-mediated skeletal muscle fibre transition. RESULTS PGD2 generation and DP2 expression were significantly upregulated in the hindlimb muscles of HFD-fed mice (P < 0.05 or P < 0.01 vs. normal chow diet). Compared with DP2fl/fl mice, DP2fl/fl HSACre mice exhibited remarkable glycolytic-to-oxidative fibre-type transition in hindlimb muscles and were fatigue resistant during endurance exercise (154.9 ± 6.0 vs. 124.2 ± 8.1 min, P < 0.05). DP2fl/fl HSACre mice fed an HFD showed less weight gain (P < 0.05) and hepatic lipid accumulation (P < 0.01), reduced insulin resistance and enhanced energy expenditure (P < 0.05) compared with DP2fl/fl mice. Mechanistically, DP2 deletion promoted the nuclear translocation of nuclear factor of activated T cells 1 (NFATc1) by suppressing RhoA/Rho-associated kinase 2 (ROCK2) signalling, which led to enhanced oxidative fibre-specific gene transcription in muscle cells. Treatment with CAY10471 enhanced NFATc1 activity in the skeletal muscles and ameliorated HFD-induced obesity (P < 0.05 vs. saline) and insulin resistance in mice. CAY10471 also enhanced exercise tolerance in MDX mice (100.8 ± 8.0 vs. 68.9 ± 11.1 min, P < 0.05 vs. saline) by increasing the oxidative fibre-type ratio in the muscles (45.1 ± 2.3% vs. 32.3 ± 2.6%, P < 0.05 vs. saline). CONCLUSIONS DP2 activation suppresses oxidative fibre transition via RhoA/ROCK2/NFATc1 signalling. The inhibition of DP2 may be a potential therapeutic approach against obesity and muscle disorders.
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Affiliation(s)
- Huying Ning
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Huiwen Ren
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Yan Zhao
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - HaiFang Yin
- Department of Cell Biology and Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), Tianjin Medical University, Tianjin, China
| | - Zhenji Gan
- State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animals for Disease Study, Department of Spine Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Jiangsu Key Laboratory of Molecular Medicine, Chemistry and Biomedicine Innovation Center (ChemBIC), Model Animal Research Center, Nanjing University Medical School, Nanjing University, Nanjing, China
| | - Yujun Shen
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Ying Yu
- Department of Pharmacology, Tianjin Key Laboratory of Inflammatory Biology, Center for Cardiovascular Diseases, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
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12
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Liu D, Zhao L, Jiang Y, Li L, Guo M, Mu Y, Zhu H. Integrated analysis of plasma and urine reveals unique metabolomic profiles in idiopathic inflammatory myopathies subtypes. J Cachexia Sarcopenia Muscle 2022; 13:2456-2472. [PMID: 35860906 PMCID: PMC9530549 DOI: 10.1002/jcsm.13045] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 06/08/2022] [Accepted: 06/13/2022] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVES Idiopathic inflammatory myopathies (IIM) are a class of autoimmune diseases with high heterogeneity that can be divided into different subtypes based on clinical manifestations and myositis-specific autoantibodies (MSAs). However, even in each IIM subtype, the clinical symptoms and prognoses of patients are very different. Thus, the identification of more potential biomarkers associated with IIM classification, clinical symptoms, and prognosis is urgently needed. METHODS Plasma and urine samples from 79 newly diagnosed IIM patients (mean disease duration 4 months) and 52 normal control (NC) samples were analysed by high-performance liquid chromatography of quadrupole time-of-flight mass spectrometry (HPLC-Q-TOF-MS)/MS-based untargeted metabolomics. Orthogonal partial least-squares discriminate analysis (OPLS-DA) were performed to measure the significance of metabolites. Pathway enrichment analysis was conducted based on the KEGG human metabolic pathways. Ten machine learning (ML) algorithms [linear support vector machine (SVM), radial basis function SVM, random forest, nearest neighbour, Gaussian processes, decision trees, neural networks, adaptive boosting (AdaBoost), Gaussian naive Bayes and quadratic discriminant analysis] were used to classify each IIM subtype and select the most important metabolites as potential biomarkers. RESULTS OPLS-DA showed a clear separation between NC and IIM subtypes in plasma and urine metabolic profiles. KEGG pathway enrichment analysis revealed multiple unique and shared disturbed metabolic pathways in IIM main [dermatomyositis (DM), anti-synthetase syndrome (ASS), and immune-mediated necrotizing myopathy (IMNM)] and MSA-defined subtypes (anti-Mi2+, anti-MDA5+, anti-TIF1γ+, anti-Jo1+, anti-PL7+, anti-PL12+, anti-EJ+, and anti-SRP+), such that fatty acid biosynthesis was significantly altered in both plasma and urine in all main IIM subtypes (enrichment ratio > 1). Random forest and AdaBoost performed best in classifying each IIM subtype among the 10 ML models. Using the feature selection methods in ML models, we identified 9 plasma and 10 urine metabolites that contributed most to separate IIM main subtypes and MSA-defined subtypes, such as plasma creatine (fold change = 3.344, P = 0.024) in IMNM subtype and urine tiglylcarnitine (fold change = 0.351, P = 0.037) in anti-EJ+ ASS subtype. Sixteen common metabolites were found in both the plasma and urine samples of IIM subtypes. Among them, some were correlated with clinical features, such as plasma hypogeic acid (r = -0.416, P = 0.005) and urine malonyl carnitine (r = -0.374, P = 0.042), which were negatively correlated with the prevalence of interstitial lung disease. CONCLUSIONS In both plasma and urine samples, IIM main and MSA-defined subtypes have specific metabolic signatures and pathways. This study provides useful clues for understanding the molecular mechanisms, searching potential diagnosis biomarkers and therapeutic targets for IIM.
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Affiliation(s)
- Di Liu
- Department of Rheumatology and Immunology, Xiangya HospitalCentral South UniversityChangshaHunanChina
- Department of Rheumatology and Clinical Immunology, The First Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Lijuan Zhao
- Department of Rheumatology and Immunology, Xiangya HospitalCentral South UniversityChangshaHunanChina
- National Clinical Research Center for Geriatric Disorders, Xiangya HospitalCentral South UniversityChangshaHunanChina
| | - Yu Jiang
- Hunan Provincial Key Laboratory of Emergency and Critical Care Metabonomics, Institute of Emergency MedicineHunan Provincial People's Hospital/The First Affiliated Hospital of Hunan Normal UniversityChangshaHunanChina
| | - Liya Li
- Department of Rheumatology and Immunology, The Third Xiangya HospitalCentral South UniversityChangshaHunanChina
| | - Muyao Guo
- Department of Rheumatology and Immunology, Xiangya HospitalCentral South UniversityChangshaHunanChina
- National Clinical Research Center for Geriatric Disorders, Xiangya HospitalCentral South UniversityChangshaHunanChina
| | - Yibing Mu
- Department of NutritionHunan Provincial Maternal and Child Health Care HospitalChangshaHunanChina
| | - Honglin Zhu
- Department of Rheumatology and Immunology, Xiangya HospitalCentral South UniversityChangshaHunanChina
- National Clinical Research Center for Geriatric Disorders, Xiangya HospitalCentral South UniversityChangshaHunanChina
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13
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Gosselin MRF, Mournetas V, Borczyk M, Verma S, Occhipinti A, Róg J, Bozycki L, Korostynski M, Robson SC, Angione C, Pinset C, Gorecki DC. Loss of full-length dystrophin expression results in major cell-autonomous abnormalities in proliferating myoblasts. eLife 2022; 11:75521. [PMID: 36164827 PMCID: PMC9514850 DOI: 10.7554/elife.75521] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 09/02/2022] [Indexed: 12/05/2022] Open
Abstract
Duchenne muscular dystrophy (DMD) affects myofibers and muscle stem cells, causing progressive muscle degeneration and repair defects. It was unknown whether dystrophic myoblasts—the effector cells of muscle growth and regeneration—are affected. Using transcriptomic, genome-scale metabolic modelling and functional analyses, we demonstrate, for the first time, convergent abnormalities in primary mouse and human dystrophic myoblasts. In Dmdmdx myoblasts lacking full-length dystrophin, the expression of 170 genes was significantly altered. Myod1 and key genes controlled by MyoD (Myog, Mymk, Mymx, epigenetic regulators, ECM interactors, calcium signalling and fibrosis genes) were significantly downregulated. Gene ontology analysis indicated enrichment in genes involved in muscle development and function. Functionally, we found increased myoblast proliferation, reduced chemotaxis and accelerated differentiation, which are all essential for myoregeneration. The defects were caused by the loss of expression of full-length dystrophin, as similar and not exacerbated alterations were observed in dystrophin-null Dmdmdx-βgeo myoblasts. Corresponding abnormalities were identified in human DMD primary myoblasts and a dystrophic mouse muscle cell line, confirming the cross-species and cell-autonomous nature of these defects. The genome-scale metabolic analysis in human DMD myoblasts showed alterations in the rate of glycolysis/gluconeogenesis, leukotriene metabolism, and mitochondrial beta-oxidation of various fatty acids. These results reveal the disease continuum: DMD defects in satellite cells, the myoblast dysfunction affecting muscle regeneration, which is insufficient to counteract muscle loss due to myofiber instability. Contrary to the established belief, our data demonstrate that DMD abnormalities occur in myoblasts, making these cells a novel therapeutic target for the treatment of this lethal disease.
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Affiliation(s)
- Maxime R F Gosselin
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, United Kingdom
| | | | - Malgorzata Borczyk
- Laboratory of Pharmacogenomics, Maj Institute of Pharmacology PAS, Krakow, Poland
| | - Suraj Verma
- School of Computing, Engineering and Digital Technologies, Teesside University, Middlesbrough, United Kingdom
| | - Annalisa Occhipinti
- School of Computing, Engineering and Digital Technologies, Teesside University, Middlesbrough, United Kingdom
| | - Justyna Róg
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, United Kingdom.,Laboratory of Cellular Metabolism, Nencki Institute of Experimental Biology, Warsaw, Poland
| | - Lukasz Bozycki
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, United Kingdom.,Laboratory of Cellular Metabolism, Nencki Institute of Experimental Biology, Warsaw, Poland
| | - Michal Korostynski
- Laboratory of Pharmacogenomics, Maj Institute of Pharmacology PAS, Krakow, Poland
| | - Samuel C Robson
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, United Kingdom.,Centre for Enzyme Innovation, University of Portsmouth, Portsmouth, United Kingdom
| | - Claudio Angione
- School of Computing, Engineering and Digital Technologies, Teesside University, Middlesbrough, United Kingdom
| | | | - Dariusz C Gorecki
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, United Kingdom
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14
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Zhao S, Guo J, Xue H, Meng J, Xie D, Liu X, Yu Q, Zhong H, Jiang P. Systematic impacts of fluoride exposure on the metabolomics of rats. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 242:113888. [PMID: 35872488 DOI: 10.1016/j.ecoenv.2022.113888] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 07/09/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023]
Abstract
Fluoride is widely present in the environment. Excessive fluoride exposure leads to fluorosis, which has become a global public health problem and will cause damage to various organs and tissues. Only a few studies focus on serum metabolomics, and there is still a lack of systematic metabolomics associated with fluorosis within the main organs. Therefore, in the current study, a non-targeted metabolomics method using gas chromatography-mass spectrometry (GC-MS) was used to research the effects of fluoride exposure on metabolites in different organs, to uncover potential biomarkers and study whether the affected metabolic pathways are related to the mechanism of fluorosis. Male Sprague-Dawley rats were randomly divided into two groups: a control group and a fluoride exposure group. GC-MS technology was used to identify metabolites. Multivariate statistical analysis identified 16, 24, 20, 20, 24, 13, 7, and 13 differential metabolites in the serum, liver, kidney, heart, hippocampus, cortex, kidney fat, and brown fat, respectively, in the two groups of rats. Fifteen metabolic pathways were affected, involving toxic mechanisms such as oxidative stress, mitochondrial damage, inflammation, and fatty acid, amino acid and energy metabolism disorders. This study provides a new perspective on the understanding of the mechanism of toxicity associated with sodium fluoride, contributing to the prevention and treatment of fluorosis.
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Affiliation(s)
- Shiyuan Zhao
- Translational pharmaceutical laboratory of Jining First People's Hospital, Jining Medical University, Jining 272000, China.
| | - Jinxiu Guo
- Translational pharmaceutical laboratory of Jining First People's Hospital, Jining Medical University, Jining 272000, China.
| | - Hongjia Xue
- Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo 315100, China.
| | - Junjun Meng
- Translational pharmaceutical laboratory of Jining First People's Hospital, Jining Medical University, Jining 272000, China.
| | - Dadi Xie
- Department of Endocrinology, Tengzhou Central People's Hospital, Tengzhou 277500, China.
| | - Xi Liu
- Department of Pharmacy, Linfen People's Hospital, Linfen 041000, China.
| | - Qingqing Yu
- Department of Oncology, Jining First People's Hospital, Jining Medical University, Jining 272000, China; Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Science, Ocean University of China, Qingdao 266003, China.
| | - Haitao Zhong
- Translational pharmaceutical laboratory of Jining First People's Hospital, Jining Medical University, Jining 272000, China.
| | - Pei Jiang
- Translational pharmaceutical laboratory of Jining First People's Hospital, Jining Medical University, Jining 272000, China.
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15
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Islam MA, Khairnar R, Fleishman J, Thompson K, Kumar S. Lipocalin-Type Prostaglandin D 2 Synthase Protein- A Central Player in Metabolism. Pharm Res 2022; 39:2951-2963. [PMID: 35799081 DOI: 10.1007/s11095-022-03329-4] [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: 05/30/2022] [Accepted: 06/29/2022] [Indexed: 11/28/2022]
Abstract
Lipocalin-type prostaglandin D synthase was previously known as β-trace protein (BTP), a low-molecular-weight glycoprotein that is heavily expressed in human cerebrospinal fluid. Nevertheless, it is also seen to be expressed in numerous other tissues including the kidney, liver, lung, heart, adipose, muscle, and pancreas. Functionally, L-PGDS behaves like a lipocalin type protein where it helps in binding and transportation of small lipophilic substances, such as steroids, retinoids, and other lipophilic ligands. Enzymatically, L-PGDS functions as a prostaglandin synthase where it helps in the production of PGD2 by catalyzing the isomerization of PGH2, a common precursor of the two series of prostaglandins. PGD2 regulates its physiological function through two individual receptors named DP1 and DP2. L-PGDS has been a central player in many diseases, its role in metabolism including diabetes, fatty liver disease, and obesity has gathered a large attention. In this review, we summarize the current state of knowledge about L-PGDS and it's signaling in adipose, hepatic, skeletal muscle, and pancreas tissues, which are core targets for metabolic studies. Modulation of L-PGDS signaling can be considered as a potential future therapeutic target for the treatment of insulin resistance as well as fatty liver disease.
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Affiliation(s)
- Md Asrarul Islam
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, SAH 141A, 8000 Utopia Parkway, Queens, NY, 11439, USA
| | - Rhema Khairnar
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, SAH 141A, 8000 Utopia Parkway, Queens, NY, 11439, USA
| | - Joshua Fleishman
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, SAH 141A, 8000 Utopia Parkway, Queens, NY, 11439, USA
| | - Kamala Thompson
- Department of Biology, Chemistry, and Environmental Studies, Molloy College, Rockville Centre, NY, 11571, USA
| | - Sunil Kumar
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, SAH 141A, 8000 Utopia Parkway, Queens, NY, 11439, USA.
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16
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Zhao W, Teng M, Zhang J, Wang K, Zhang J, Xu Y, Wang C. Insights into the mechanisms of organic pollutant toxicity to earthworms: Advances and perspectives. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 303:119120. [PMID: 35283202 DOI: 10.1016/j.envpol.2022.119120] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/28/2022] [Accepted: 03/06/2022] [Indexed: 06/14/2023]
Abstract
Earthworms play positive ecological roles in soil formation, structure, and fertility, environmental protection, and terrestrial food chains. For this review, we searched the Web of Science database for articles published from 2011 to 2021 using the keywords "toxic" and "earthworm" and retrieved 632 publications. From the perspective of bibliometric analysis, we conducted a co-occurrence network analysis using the keywords "toxic" and "earthworm" to identify the most and least reported topics. "Eisenia fetida," "bioaccumulation," "heavy metals," "oxidative stress," and "pesticides" were the most common terms, and "microbial community," "bacteria," "PFOS," "bioaugmentation," "potentially toxic elements," "celomic fluid," "neurotoxicity," "joint toxicity," "apoptosis," and "nanoparticles" were uncommon terms. Additionally, in this review we highlight the main routes of organic pollutant entry into soil, and discuss the adverse effects on the soil ecosystem. We then systematically review the mechanisms underlying organic pollutant toxicity to earthworms, including oxidative stress, energy and lipid metabolism disturbances, neurological toxicity, intestinal inflammation and injury, gut microbiota dysbiosis, and reproductive toxicity. We conclude by discussing future research perspectives, focusing on environmentally relevant concentrations and conditions, novel data processing approaches, technologies, and detoxification and mitigation methods. This review has implications for soil management in the context of environmental pollution.
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Affiliation(s)
- Wentian Zhao
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Miaomiao Teng
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Jie Zhang
- Key Laboratory of Green Prevention and Control of Tropical Plant Disease and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, 570228, China
| | - Kai Wang
- College of Plant Protection, Shenyang Agricultural University, No. 120 Dongling Road, Shenyang, People's Republic Of China
| | - Jialu Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Yong Xu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Chengju Wang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China.
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Jaroch A, Kozakiewicz M, Jaroch K, Główczewska-Siedlecka E, Bojko B, Kędziora-Kornatowska K. Untargeted Metabolomic Assay of Prefrail Older Adults after Nutritional Intervention. Metabolites 2022; 12:metabo12050378. [PMID: 35629882 PMCID: PMC9145750 DOI: 10.3390/metabo12050378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 03/30/2022] [Accepted: 04/19/2022] [Indexed: 01/25/2023] Open
Abstract
Frailty is a geriatric syndrome causing a reduction in the body’s functional reserves. Proper nutrition may be helpful in delaying transitioning older adults from pre-frail to frailty syndrome. The present study evaluates the nutritional status of pre-frail patients who underwent nutritional intervention and metabolomic changes resulting from this intervention. Sixteen pre-frail patients (68.4 ± 5.5 years old; 81.3% women) were enrolled for nutritional intervention, and twenty-nine robust elderly people (69.3 ± 5.3 years old; 82.8% women) were the control group. Pre-frail patients consumed 1.0 g protein/kg BW/day for eight weeks through diet modification and an additional daily intake of a protein powder formula. Taken measurements included: Nutritional anthropometry, assessment of food intake, and blood serum analysis with an untargeted metabolomic assessment. Protein consumption increased by 25.8%; moreover, significant increases in body weight (+1.2 kg; p = 0.023) and muscle mass index (+0.1 kg/m2; p = 0.042) were also observed. The untargeted metabolomic assay showed a significant increase in arachidonic acid (p = 0.038), and valine (p = 0.008) among pre-frail patients. Increased protein consumption is reflected in improved anthropometric and biochemical parameters of pre-frail patients. Moreover, metabolomic assay can be a useful tool in determining compliance with dietary recommendations.
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Affiliation(s)
- Alina Jaroch
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-626 Bydgoszcz, Poland;
- Department of Geriatrics, Faculty of Health Sciences, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-094 Bydgoszcz, Poland; (M.K.); (E.G.-S.); (K.K.-K.)
| | - Mariusz Kozakiewicz
- Department of Geriatrics, Faculty of Health Sciences, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-094 Bydgoszcz, Poland; (M.K.); (E.G.-S.); (K.K.-K.)
| | - Karol Jaroch
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-089 Bydgoszcz, Poland;
| | - Emilia Główczewska-Siedlecka
- Department of Geriatrics, Faculty of Health Sciences, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-094 Bydgoszcz, Poland; (M.K.); (E.G.-S.); (K.K.-K.)
| | - Barbara Bojko
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty of Pharmacy, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-089 Bydgoszcz, Poland;
- Correspondence:
| | - Kornelia Kędziora-Kornatowska
- Department of Geriatrics, Faculty of Health Sciences, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-094 Bydgoszcz, Poland; (M.K.); (E.G.-S.); (K.K.-K.)
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18
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Ye Z, Chen J, Du P, Ni Q, Li B, Zhang Z, Wang Q, Cui T, Yi X, Li C, Li S. Metabolomics Signature and Potential Application of Serum Polyunsaturated Fatty Acids Metabolism in Patients With Vitiligo. Front Immunol 2022; 13:839167. [PMID: 35222431 PMCID: PMC8866849 DOI: 10.3389/fimmu.2022.839167] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 01/24/2022] [Indexed: 12/17/2022] Open
Abstract
Vitiligo is a depigmented skin disorder caused by a variety of factors, including autoimmune, metabolic disturbance or their combined effect, etc. Non-targeted metabolomic analyses have denoted that dysregulated fatty acids metabolic pathways are involved in the pathogenesis of vitiligo. However, the exact category of fatty acids that participate in vitiligo development and how they functionally affect CD8+ T cells remain undefined. We aimed to determine the difference in specific fatty acids among vitiligo patients and healthy individuals and to investigate their association with clinical features in patients with vitiligo. Serum levels of fatty acids in 48 vitiligo patients and 28 healthy individuals were quantified by performing ultra-performance liquid chromatography-tandem mass spectrometry. Univariate and multivariate analyses were carried out to evaluate the significance of differences. Moreover, flow cytometry was used to explore the effect of indicated fatty acids on the function of CD8+ T cells derived from patients with vitiligo. We demonstrated that serological level of alpha-linolenic acid (ALA) was markedly upregulated, while that of arachidonic acid (ARA), arachidic acid (AA) and behenic acid were significantly downregulated in patients with vitiligo. Moreover, ALA levels were positively associated with vitiligo area scoring index (VASI) and ARA was a probable biomarker for vitiligo. We also revealed that supplementation with ARA or nordihydroguaiaretic acid (NDGA) could suppress the function of CD8+ T cells. Our results showed that vitiligo serum has disorder-specific phenotype profiles of fatty acids described by dysregulated metabolism of polyunsaturated fatty acids. Supplementation with ARA or NDGA might promote vitiligo treatment. These findings provide novel insights into vitiligo pathogenesis that might add to therapeutic options.
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Affiliation(s)
- Zhubiao Ye
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jianru Chen
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Pengran Du
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Qingrong Ni
- Department of Dermatology, The Medical Center of Air Force of People's Liberation Army, Forth Military Medical University, Beijing, China
| | - Baizhang Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhe Zhang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Qi Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Tingting Cui
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xiuli Yi
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Chunying Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Shuli Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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19
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Jin D, Zhong TP. Prostaglandin signaling in ciliogenesis and development. J Cell Physiol 2021; 237:2632-2643. [PMID: 34927727 DOI: 10.1002/jcp.30659] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 12/02/2021] [Accepted: 12/06/2021] [Indexed: 11/09/2022]
Abstract
Prostaglandin (PG) signaling regulates a wide variety of physiological and pathological processes, including body temperature, cardiovascular homeostasis, reproduction, and inflammation. Recent studies have revealed that PGs play pivotal roles in embryo development, ciliogenesis, and organ formation. Prostaglandin E2 (PGE2) and its receptor EP4 modulate ciliogenesis by increasing the anterograde intraflagellar transport. Many G-protein-coupled receptors (GPCRs) including EP4 are localized in cilia for modulating cAMP signaling under various conditions. During development, PGE2 signaling regulates embryogenesis, hepatocyte differentiation, hematopoiesis, and kidney formation. Prostaglandins are also essential for skeletal muscle repair. This review outlines recent advances in understanding the functions and mechanisms of prostaglandin signaling in ciliogenesis, embryo development, and organ formation.
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Affiliation(s)
- Daqing Jin
- Shanghai Key Laboratory of Regulatory Biology, Institute of Molecular Medicine, School of Life Sciences, East China Normal University, Shanghai, China
| | - Tao P Zhong
- Shanghai Key Laboratory of Regulatory Biology, Institute of Molecular Medicine, School of Life Sciences, East China Normal University, Shanghai, China
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20
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Bhullar AS, Rivas-Serna IM, Anoveros-Barrera A, Dunichand-Hoedl A, Bigam D, Khadaroo RG, McMullen T, Bathe O, Putman CT, Baracos V, Clandinin MT, Mazurak VC. Depletion of essential fatty acids in muscle is associated with shorter survival of cancer patients undergoing surgery-preliminary report. Sci Rep 2021; 11:23006. [PMID: 34836998 PMCID: PMC8626431 DOI: 10.1038/s41598-021-02269-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 10/26/2021] [Indexed: 11/18/2022] Open
Abstract
Emerging studies are reporting associations between skeletal muscle abnormalities and survival in cancer patients. Cancer prognosis is associated with depletion of essential fatty acids in erythrocytes and plasma in humans. However the relationship between skeletal muscle membrane fatty acid composition and survival is unknown. This study investigates the relationship between fatty acid content of phospholipids in skeletal muscle and survival in cancer patients. Rectus abdominis biopsies were collected during cancer surgery from 35 patients diagnosed with cancer. Thin-layer and gas chromatography were used for quantification of phospholipid fatty acids. Cutpoints for survival were defined using optimal stratification. Median survival was between 450 and 500 days when patients had arachidonic acid (AA) eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in muscle phospholipid below the cut-point compared to 720-800 days for patients above. Cox regression analysis revealed that low amounts of AA, EPA and DHA are risk factors for death. The risk of death remained significant for AA [HR 3.5 (1.11-10.87), p = 0.03], EPA [HR 3.92 (1.1-14.0), p = 0.04] and DHA [HR 4.08 (1.1-14.6), p = 0.03] when adjusted for sex. Lower amounts of essential fatty acids in skeletal muscle membrane is a predictor of survival in cancer patients. These results warrant investigation to restore bioactive fatty acids in people with cancer.
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Affiliation(s)
- Amritpal S Bhullar
- Department of Agricultural, Food & Nutritional Science, University of Alberta, 4-002 Li Ka Shing Centre for Health Research Innovation, 8602-112 St NW, Edmonton, AB, Canada
| | - Irma Magaly Rivas-Serna
- Department of Agricultural, Food & Nutritional Science, University of Alberta, 4-002 Li Ka Shing Centre for Health Research Innovation, 8602-112 St NW, Edmonton, AB, Canada
| | - Ana Anoveros-Barrera
- Department of Agricultural, Food & Nutritional Science, University of Alberta, 4-002 Li Ka Shing Centre for Health Research Innovation, 8602-112 St NW, Edmonton, AB, Canada
| | - Abha Dunichand-Hoedl
- Department of Agricultural, Food & Nutritional Science, University of Alberta, 4-002 Li Ka Shing Centre for Health Research Innovation, 8602-112 St NW, Edmonton, AB, Canada
| | - David Bigam
- Department of Surgery, University of Alberta, Edmonton, Canada
| | | | - Todd McMullen
- Department of Surgery, University of Alberta, Edmonton, Canada
| | - Oliver Bathe
- Departments of Surgery and Oncology, Tom Baker Cancer Centre, University of Calgary, Calgary, Canada
| | - Charles T Putman
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, Canada
- Department of Oncology, University of Alberta, Edmonton, Canada
| | - Vickie Baracos
- Department of Oncology, University of Alberta, Edmonton, Canada
| | - Michael T Clandinin
- Department of Agricultural, Food & Nutritional Science, University of Alberta, 4-002 Li Ka Shing Centre for Health Research Innovation, 8602-112 St NW, Edmonton, AB, Canada
- Department of Medicine, University of Alberta, Edmonton, Canada
| | - Vera C Mazurak
- Department of Agricultural, Food & Nutritional Science, University of Alberta, 4-002 Li Ka Shing Centre for Health Research Innovation, 8602-112 St NW, Edmonton, AB, Canada.
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21
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Tu C, Gao Y, Song D, Niu M, Ma RR, Zhou MX, He X, Xiao XH, Wang JB. Screening for Susceptibility-Related Biomarkers of Diclofenac-Induced Liver Injury in Rats Using Metabolomics. Front Pharmacol 2021; 12:693928. [PMID: 34630079 PMCID: PMC8494976 DOI: 10.3389/fphar.2021.693928] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 08/03/2021] [Indexed: 11/22/2022] Open
Abstract
Early identification of individuals susceptible to idiosyncratic drug-induced liver injury (IDILI) is a challenging unmet demand. Diclofenac, one of the most widely available over-the-counter drugs for pain management worldwide, may induce liver dysfunction, acute liver failure, and death. Herein, we report that diclofenac-related hepatobiliary adverse reactions occurred more frequently in cases with immune activation. Furthermore, experiments with rats demonstrated divergent hepatotoxicity responses in individuals exposed to diclofenac, and modest inflammation potentiated diclofenac-induced liver injury. Susceptible rats had unique plasma metabolomic characteristics, and as such, the metabolomic approach could be used to distinguish susceptible individuals. The 23 identified susceptibility-related metabolites were enriched by several metabolic pathways related to acute-phase reactions of immunocytes and inflammatory responses, including sphingolipid, tyrosine, phenylalanine, tryptophan, and lipid metabolism pathways. This finding implies a mechanistic role of metabolic and immune disturbances affects susceptibility to diclofenac-IDILI. Further nine metabolite biomarkers with potent diagnostic capabilities were identified using receiver operating characteristic curves. These findings elucidated the potential utility of metabolomic biomarkers to identify individuals susceptible to drug hepatotoxicity and the underlying mechanism of metabolic and immune disturbances occurring in IDILI.
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Affiliation(s)
- Can Tu
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yuan Gao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Di Song
- China Military Institute of Chinese Medicine, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ming Niu
- China Military Institute of Chinese Medicine, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Run-Ran Ma
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Ming-Xi Zhou
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Xian He
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Xiao-He Xiao
- China Military Institute of Chinese Medicine, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jia-Bo Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,China Military Institute of Chinese Medicine, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
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22
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Hematopoietic Prostaglandin D Synthase Inhibitor PK007 Decreases Muscle Necrosis in DMD mdx Model Mice. Life (Basel) 2021; 11:life11090994. [PMID: 34575143 PMCID: PMC8469723 DOI: 10.3390/life11090994] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 12/14/2022] Open
Abstract
Duchenne muscular dystrophy (DMD) is characterized by progressive muscle weakness and wasting due to the lack of dystrophin protein. The acute phase of DMD is characterized by muscle necrosis and increased levels of the pro-inflammatory mediator, prostaglandin D2 (PGD2). Inhibiting the production of PGD2 by inhibiting hematopoietic prostaglandin D synthase (HPGDS) may alleviate inflammation and decrease muscle necrosis. We tested our novel HPGDS inhibitor, PK007, in the mdx mouse model of DMD. Our results show that hindlimb grip strength was two-fold greater in the PK007-treated mdx group, compared to untreated mdx mice, and displayed similar muscle strength to strain control mice (C57BL/10ScSn). Histological analyses showed a decreased percentage of regenerating muscle fibers (~20% less) in tibialis anterior (TA) and gastrocnemius muscles and reduced fibrosis in the TA muscle in PK007-treated mice. Lastly, we confirmed that the DMD blood biomarker, muscle creatine kinase activity, was also reduced by ~50% in PK007-treated mdx mice. We conclude that our HPGDS inhibitor, PK007, has effectively reduced muscle inflammation and fibrosis in a DMD mdx mouse model.
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23
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Liu K, Wei J, Li G, Liu R, Zhao D, Zhang Y, Shi J, Xie Q, Cheng L. Fexofenadine Protects Against Intervertebral Disc Degeneration Through TNF Signaling. Front Cell Dev Biol 2021; 9:687024. [PMID: 34504840 PMCID: PMC8421647 DOI: 10.3389/fcell.2021.687024] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 06/08/2021] [Indexed: 01/08/2023] Open
Abstract
Objective: Fexofenadine (FFD) is an antihistamine drug with an anti-inflammatory effect. The intervertebral disc (IVD) degeneration process is involved in inflammation in which tumor necrosis factor-α (TNF-α) plays an important role. This study aims to investigate the role of FFD in the pathological process of IVD degeneration. Methods: Safranin O staining was used for the measurement of cartilageous tissue in the disc. Hematoxylin-Eosin (H&E) staining was used to determine the disc construction. A rat needle puncture model was taken advantage of to examine the role of FFD in disc degeneration in vivo. Western Blotting assay, immunochemistry, and immunoflurence staining were used for the determination of inflammatory molecules. ELISA assay was performed to detect the release of inflammatory cytokines. A real-time PCR assay was analyzed to determine the transcriptional expressions of molecules. Results: Elevated TNF-α resulted in inflammatory disc degeneration, while FFD protected against TNF-α-induced IVD degeneration. Mechanism study found FFD exhibited a disc protective effect through at least two pathways. (a) FFD inhibited TNF-α-mediated extracellular matrix (ECM) degradation and (b) FFD rescued TNF-α induced inflammation in disc degeneration. Furthermore, the present study found that FFD suppressed TNF-α mediated disc degeneration via the cPLA2/NF-κB signaling pathway. Conclusions: FFD provided another alternative for treating disc degeneration through a novel mechanism. Additionally, FFD may also be a potential target for the treatment of other inflammatory-related diseases, including IVD degeneration.
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Affiliation(s)
- Kaiwen Liu
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,School of Clinical Medicine, Shandong University, Jinan, China
| | - Jianlu Wei
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Hebei, China
| | - Guohua Li
- Shanxian Central Hospital, Shandong, China
| | - Ronghan Liu
- Department of Orthopaedic Surgery, Jinan Central Hospital Affiliated to Shandong University, Jinan, China
| | - Dawang Zhao
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yuanqiang Zhang
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jie Shi
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qing Xie
- Department of Pharmacy, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Lei Cheng
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
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24
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Silva NC, Alvarez AM, DeOcesano-Pereira C, Fortes-Dias CL, Moreira V. Catalytically active phospholipase A 2 myotoxin from Crotalus durissus terrificus induces proliferation and differentiation of myoblasts dependent on prostaglandins produced by both COX-1 and COX-2 pathways. Int J Biol Macromol 2021; 187:603-613. [PMID: 34314795 DOI: 10.1016/j.ijbiomac.2021.07.121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 07/18/2021] [Accepted: 07/19/2021] [Indexed: 01/18/2023]
Abstract
Although crotoxin B (CB) is a well-established catalytically active secretory phospholipase A2 group IIA (sPLA2-IIA) myotoxin, we investigated its potential stimulatory effect on myogenesis with the involvement of prostaglandins (PGs) produced by cyclooxygenase (COX)-1 and -2 pathways. Myoblast C2C12 were cultured in proliferation or commitment protocols and incubated with CB followed by lumiracoxib (selective COX-2 inhibitor) or valeryl salicylate (selective COX-1 inhibitor) and subjected to analysis of PG release, cell proliferation and activation of myogenic regulatory factors (MRFs). Our data showed that CB in non-cytotoxic concentrations induces an increase of COX-2 protein expression and stimulates the activity of both COX isoforms to produce PGE2, PGD2 and 15d-PGJ2. CB induced an increase in the proliferation of C2C12 myoblast cells dependent on PGs from both COX-1 and COX-2 pathways. In addition, CB stimulated the activity of Pax7, MyoD, Myf5 and myogenin in proliferated cells. Otherwise, CB increased myogenin activity but not MyoD in committed cells. Our findings evidence the role of COX-1- and COX-2-derived PGs in modulating CB-induced activation of MRFs. This study contributes to the knowledge that CB promote early myogenic events via regulatory mechanisms on PG-dependent COX pathways, showing new concepts about the effect of sPLA2-IIA in skeletal muscle repair.
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Affiliation(s)
- Nadine C Silva
- Pharmacology Department, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil
| | - Angela M Alvarez
- Pharmacology Department, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil; Centre of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, SP 05503-900, Brazil.
| | - Carlos DeOcesano-Pereira
- Centre of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, SP 05503-900, Brazil.
| | | | - Vanessa Moreira
- Pharmacology Department, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil.
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25
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Djuricic I, Calder PC. Beneficial Outcomes of Omega-6 and Omega-3 Polyunsaturated Fatty Acids on Human Health: An Update for 2021. Nutrients 2021; 13:nu13072421. [PMID: 34371930 PMCID: PMC8308533 DOI: 10.3390/nu13072421] [Citation(s) in RCA: 265] [Impact Index Per Article: 88.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/03/2021] [Accepted: 07/13/2021] [Indexed: 12/14/2022] Open
Abstract
Oxidative stress and inflammation have been recognized as important contributors to the risk of chronic non-communicable diseases. Polyunsaturated fatty acids (PUFAs) may regulate the antioxidant signaling pathway and modulate inflammatory processes. They also influence hepatic lipid metabolism and physiological responses of other organs, including the heart. Longitudinal prospective cohort studies demonstrate that there is an association between moderate intake of the omega-6 PUFA linoleic acid and lower risk of cardiovascular diseases (CVDs), most likely as a result of lower blood cholesterol concentration. Current evidence suggests that increasing intake of arachidonic acid (up to 1500 mg/day) has no adverse effect on platelet aggregation and blood clotting, immune function and markers of inflammation, but may benefit muscle and cognitive performance. Many studies show that higher intakes of omega-3 PUFAs, especially eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), are associated with a lower incidence of chronic diseases characterized by elevated inflammation, including CVDs. This is because of the multiple molecular and cellular actions of EPA and DHA. Intervention trials using EPA + DHA indicate benefit on CVD mortality and a significant inverse linear dose-response relationship has been found between EPA + DHA intake and CVD outcomes. In addition to their antioxidant and anti-inflammatory roles, omega-3 fatty acids are considered to regulate platelet homeostasis and lower risk of thrombosis, which together indicate their potential use in COVID-19 therapy.
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Affiliation(s)
- Ivana Djuricic
- Department of Bromatology, Faculty of Pharmacy, University of Belgrade, 11221 Belgrade, Serbia;
| | - Philip C. Calder
- School of Human Development and Health, Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK
- NIHR Southampton Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust and University of Southampton, Southampton SO16 6YD, UK
- Correspondence:
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26
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Bentivegna E, Luciani M, Paragliola V, Baldari F, Lamberti PA, Conforti G, Spuntarelli V, Martelletti P. Recent advancements in tension-type headache: a narrative review. Expert Rev Neurother 2021; 21:793-803. [PMID: 34128449 DOI: 10.1080/14737175.2021.1943363] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Tension-type headache (TTH) is the most common primary headache disorder with a prevalence of up to 78% in general population and huge expenses in terms of health service. Despite its high incidence and impact on life's quality the knowledge on the pathophysiology and efficacious treatment of TTH was still limited. AREAS COVERED In recent years, a series of studies highlighted the heterogeneous nature of this pathology that seems to be determined by a complex interaction between genetic, environmental, and neuromuscular factors, which result in nociceptive system activation. In this setting, alongside the simple analgesic therapies used during the acute attack, a series of therapeutic options based on newly acquired experiences have taken hold. EXPERT REVIEW Not having a single substrate or a typical site of pathophysiology, TTH must be analyzed in a global and multidisciplinary way. Herein, we perform a narrative review of the most recent advancement stimulating the concept of this disease as the tip of the iceberg of a more complex individual malaise secondary to different alterations. Strategies based solely on symptomatic drugs should therefore be avoided by experienced personnel and treatment should aim at taking charge of the patient considering the processes behind this complex pathology.
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Affiliation(s)
- Enrico Bentivegna
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | | | - Vincenzo Paragliola
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Francesco Baldari
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Piera A Lamberti
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Giulia Conforti
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Valerio Spuntarelli
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Paolo Martelletti
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy.,Department of clicinal and molecular medicine, Regional Referral Headache Centre, Sant'Andrea Hospital, Rome, Italy
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27
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Ruscica M, Penson PE, Ferri N, Sirtori CR, Pirro M, Mancini GBJ, Sattar N, Toth PP, Sahebkar A, Lavie CJ, Wong ND, Banach M. Impact of nutraceuticals on markers of systemic inflammation: Potential relevance to cardiovascular diseases - A position paper from the International Lipid Expert Panel (ILEP). Prog Cardiovasc Dis 2021; 67:40-52. [PMID: 34186099 DOI: 10.1016/j.pcad.2021.06.010] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 06/24/2021] [Indexed: 02/05/2023]
Abstract
Inflammation is a marker of arterial disease stemming from cholesterol-dependent to -independent molecular mechanisms. In recent years, the role of inflammation in atherogenesis has been underpinned by pharmacological approaches targeting systemic inflammation that have led to a significant reduction in cardiovascular disease (CVD) risk. Although the use of nutraceuticals to prevent CVD has largely focused on lipid-lowering (e.g, red-yeast rice and omega-3 fatty acids), there is growing interest and need, especially now in the time of coronavirus pandemic, in the use of nutraceuticals to reduce inflammatory markers, and potentially the inflammatory CVD burden, however, there is still not enough evidence to confirm this. Indeed, diet is an important lifestyle determinant of health and can influence both systemic and vascular inflammation, to varying extents, according to the individual nutraceutical constituents. Thus, the aim of this Position Paper is to provide the first attempt at recommendations on the use of nutraceuticals with effective anti-inflammatory properties.
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Affiliation(s)
- Massimiliano Ruscica
- Department of Pharmacology and Biomolecular Sciences, Università degli Studi di Milano, Milano, Italy
| | - Peter E Penson
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK; Liverpool Centre for Cardiovascular Science, Liverpool, UK
| | - Nicola Ferri
- Department of Pharmaceutical and Pharmacological Sciences, Università degli Studi di Padova, Padova, Italy
| | - Cesare R Sirtori
- Department of Pharmacology and Biomolecular Sciences, Università degli Studi di Milano, Milano, Italy
| | - Matteo Pirro
- Internal Medicine Section, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - G B John Mancini
- Center for Cardiovascular Innovation, University of British Columbia, Vancouver, BC, Canada
| | - Naveed Sattar
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom
| | - Peter P Toth
- Cicarrone Center for the Prevention of Cardiovascular Disease, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Carl J Lavie
- Department of Medicine, John Ochsner Medical Center, New Orleans, LA, USA
| | - Nathan D Wong
- Heart Disease Prevention Program, Division of Cardiology, University of California Irvine, Irvine, CA, USA
| | - Maciej Banach
- Department of Hypertension, Medical University of Lodz (MUL), Lodz, Poland; Cardiovascular Research Centre, University of Zielona Gora, Zielona Gora, Poland.
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28
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Molecular pathways behind acquired obesity: Adipose tissue and skeletal muscle multiomics in monozygotic twin pairs discordant for BMI. CELL REPORTS MEDICINE 2021; 2:100226. [PMID: 33948567 PMCID: PMC8080113 DOI: 10.1016/j.xcrm.2021.100226] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/31/2020] [Accepted: 03/04/2021] [Indexed: 12/12/2022]
Abstract
Tissue-specific mechanisms prompting obesity-related development complications in humans remain unclear. We apply multiomics analyses of subcutaneous adipose tissue and skeletal muscle to examine the effects of acquired obesity among 49 BMI-discordant monozygotic twin pairs. Overall, adipose tissue appears to be more affected by excess body weight than skeletal muscle. In heavier co-twins, we observe a transcriptional pattern of downregulated mitochondrial pathways in both tissues and upregulated inflammatory pathways in adipose tissue. In adipose tissue, heavier co-twins exhibit lower creatine levels; in skeletal muscle, glycolysis- and redox stress-related protein and metabolite levels remain higher. Furthermore, metabolomics analyses in both tissues reveal that several proinflammatory lipids are higher and six of the same lipid derivatives are lower in acquired obesity. Finally, in adipose tissue, but not in skeletal muscle, mitochondrial downregulation and upregulated inflammation are associated with a fatty liver, insulin resistance, and dyslipidemia, suggesting that adipose tissue dominates in acquired obesity. Multiomics analyses of adipose tissue and skeletal muscle in BMI-discordant twins Excess body weight downregulates mitochondrial pathways in both tissues Excess body weight upregulates proinflammatory pathways in both tissues Adipose tissue alterations are associated with metabolic health in acquired obesity
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29
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Yin C, Ma Z, Li F, Duan C, Yuan Y, Zhu C, Wang L, Zhu X, Wang S, Gao P, Shu G, Zhang H, Jiang Q. Hypoxanthine Induces Muscular ATP Depletion and Fatigue via UCP2. Front Physiol 2021; 12:647743. [PMID: 33746782 PMCID: PMC7966526 DOI: 10.3389/fphys.2021.647743] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 02/11/2021] [Indexed: 01/01/2023] Open
Abstract
Hypoxanthine (Hx), an intermediate metabolite of the purine metabolism pathway which is dramatically increased in blood and skeletal muscle during muscle contraction and metabolism, is characterized as a marker of exercise exhaustion. However, the physiological effects of Hx on skeletal muscle remain unknown. Herein, we demonstrate that chronic treatment with Hx through dietary supplementation resulted in skeletal muscle fatigue and impaired the exercise performance of mice without affecting their growth and skeletal muscle development. Hx increased the uncoupling protein 2 (UCP2) expression in the skeletal muscle, which led to decreased energy substrate storage and enhanced glycolysis. These effects could also be verified in acute treatment with Hx through intraperitoneal injection. In addition, muscular specifically knockout of UCP2 through intra-muscle tissue injection of adenovirus-associated virus reversed the effects of Hx. In conclusion, we identified a novel role of Hx in the skeletal muscular fatigue mediated by UCP2-dependent mitochondrial uncoupling. This finding may shed light on the pathological mechanism of clinical muscle dysfunctions due to abnormal metabolism, such as muscle fatigue and weakness.
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Affiliation(s)
- Cong Yin
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Zewei Ma
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Fan Li
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Chen Duan
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Yexian Yuan
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Canjun Zhu
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Lina Wang
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Xiaotong Zhu
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Songbo Wang
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Ping Gao
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Gang Shu
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Huihua Zhang
- College of Life and Science, Foshan University, Foshan, China
| | - Qingyan Jiang
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry and Guangdong Province Key Laboratory of Animal Nutritional Regulation, College of Animal Science, South China Agricultural University, Guangzhou, China
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30
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Naruse M, Fountain WA, Claiborne A, Chambers TL, Jones AM, Stroh AM, Montenegro CF, Lynch CE, Minchev K, Trappe S, Trappe TA. Influence of low-dose aspirin, resistance exercise, and sex on human skeletal muscle PGE 2 /COX pathway activity. Physiol Rep 2021; 9:e14790. [PMID: 33661544 PMCID: PMC7931802 DOI: 10.14814/phy2.14790] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 02/08/2021] [Accepted: 02/14/2021] [Indexed: 12/11/2022] Open
Abstract
Prostaglandin (PG) E2 has been linked to increased inflammation and attenuated resistance exercise adaptations in skeletal muscle. Nonaspirin cyclooxygenase (COX) inhibitors have been shown to reduce these effects. This study examined the effect of low-dose aspirin on skeletal muscle COX production of PGE2 at rest and following resistance exercise. Skeletal muscle (vastus lateralis) biopsies were taken from six individuals (4 M/2 W) before and 3.5 hr after a single bout of resistance exercise for ex vivo PGE2 production under control and low (10 μM)- or standard (100 μM)-dose aspirin conditions. Sex-specific effects of aspirin were also examined by combining the current findings with our previous similar ex vivo skeletal muscle investigations (n = 20, 10 M/10 W). Low-dose aspirin inhibited skeletal muscle PGE2 production (p < 0.05). This inhibition was similar to standard-dose aspirin (p > 0.05) and was not influenced by resistance exercise (p > 0.05) (overall effect: -18 ± 5%). Men and women had similar uninhibited skeletal muscle PGE2 production at rest (men: 1.97 ± 0.33, women: 1.96 ± 0.29 pg/mg wet weight/min; p > 0.05). However, skeletal muscle of men was 60% more sensitive to aspirin inhibition than women (p < 0.05). In summary, the current findings 1) confirm low-dose aspirin inhibits the PGE2 /COX pathway in human skeletal muscle, 2) show that resistance exercise does not alter aspirin inhibitory efficacy, and 3) suggest the skeletal muscle of men and women could respond differently to long-term consumption of low-dose aspirin, one of the most common chronically consumed drugs in the world.
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Affiliation(s)
| | | | - Alex Claiborne
- Human Performance LaboratoryBall State UniversityMuncieINUSA
| | | | - Andrew M. Jones
- Human Performance LaboratoryBall State UniversityMuncieINUSA
| | - Andrew M. Stroh
- Human Performance LaboratoryBall State UniversityMuncieINUSA
| | | | | | - Kiril Minchev
- Human Performance LaboratoryBall State UniversityMuncieINUSA
| | - Scott Trappe
- Human Performance LaboratoryBall State UniversityMuncieINUSA
| | - Todd A. Trappe
- Human Performance LaboratoryBall State UniversityMuncieINUSA
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31
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Palla AR, Ravichandran M, Wang YX, Alexandrova L, Yang AV, Kraft P, Holbrook CA, Schürch CM, Ho ATV, Blau HM. Inhibition of prostaglandin-degrading enzyme 15-PGDH rejuvenates aged muscle mass and strength. Science 2020; 371:science.abc8059. [PMID: 33303683 DOI: 10.1126/science.abc8059] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 11/24/2020] [Indexed: 12/11/2022]
Abstract
Treatments are lacking for sarcopenia, a debilitating age-related skeletal muscle wasting syndrome. We identifed increased amounts of 15-hydroxyprostaglandin dehydrogenase (15-PGDH), the prostaglandin E2 (PGE2)-degrading enzyme, as a hallmark of aged tissues, including skeletal muscle. The consequent reduction in PGE2 signaling contributed to muscle atrophy in aged mice and results from 15-PGDH-expressing myofibers and interstitial cells, such as macrophages, within muscle. Overexpression of 15-PGDH in young muscles induced atrophy. Inhibition of 15-PGDH, by targeted genetic depletion or a small-molecule inhibitor, increased aged muscle mass, strength, and exercise performance. These benefits arise from a physiological increase in PGE2 concentrations, which augmented mitochondrial function and autophagy and decreased transforming growth factor-β signaling and activity of ubiquitin-proteasome pathways. Thus, PGE2 signaling ameliorates muscle atrophy and rejuvenates muscle function, and 15-PGDH may be a suitable therapeutic target for countering sarcopenia.
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Affiliation(s)
- A R Palla
- Blau Laboratory, Stanford School of Medicine, Stanford, CA 94305, USA.,Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA 94305, USA
| | - M Ravichandran
- Blau Laboratory, Stanford School of Medicine, Stanford, CA 94305, USA.,Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA 94305, USA
| | - Y X Wang
- Blau Laboratory, Stanford School of Medicine, Stanford, CA 94305, USA.,Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA 94305, USA
| | - L Alexandrova
- Vincent Coates Foundation Mass Spectrometry Laboratory, Stanford University, Stanford, CA, USA
| | - A V Yang
- Blau Laboratory, Stanford School of Medicine, Stanford, CA 94305, USA.,Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA 94305, USA
| | - P Kraft
- Blau Laboratory, Stanford School of Medicine, Stanford, CA 94305, USA.,Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA 94305, USA
| | - C A Holbrook
- Blau Laboratory, Stanford School of Medicine, Stanford, CA 94305, USA.,Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA 94305, USA
| | - C M Schürch
- Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA 94305, USA.,Nolan Laboratory, Stanford School of Medicine, Stanford, CA 94305, USA
| | - A T V Ho
- Blau Laboratory, Stanford School of Medicine, Stanford, CA 94305, USA.,Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA 94305, USA
| | - H M Blau
- Blau Laboratory, Stanford School of Medicine, Stanford, CA 94305, USA. .,Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA 94305, USA
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32
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Fountain WA, Naruse M, Claiborne A, Stroh AM, Gries KJ, Jones AM, Minchev K, Lester BE, Raue U, Trappe S, Trappe TA. Low-dose aspirin and COX inhibition in human skeletal muscle. J Appl Physiol (1985) 2020; 129:1477-1482. [PMID: 33002382 DOI: 10.1152/japplphysiol.00512.2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Skeletal muscle health has been shown to benefit from regular consumption of cyclooxygenase (COX)-inhibiting drugs. Aspirin, especially at low doses, is one of the most commonly consumed COX inhibitors, yet investigations of low-dose aspirin effects on skeletal muscle are nonexistent. The goal of this study was to examine the efficacy of low-dose aspirin on skeletal muscle COX production of the inflammatory regulator prostaglandin (PG)E2 at rest and after exercise. Skeletal muscle biopsies (vastus lateralis) were taken from eight individuals [4 men, 4 women; 25 ± 1 yr; 81.4 ± 3.4 kg; maximal oxygen consumption (V̇o2max): 3.33 ± 0.21 L/min] before and 3.5 h after 40 min of cycling at 70% of V̇o2max for the measurement of ex vivo PGE2 production. Muscle strips were incubated in Krebs-Henseleit buffer (control) or supplemented with one of two aspirin concentrations that reflected blood levels after a low (10 µM; typical oral dose: 75-325 mg) or standard (100 µM; typical oral dose: 975-1,000 mg) dose. Low (-22 ± 5%)- and standard (-28 ± 5%)-dose aspirin concentrations both reduced skeletal muscle PGE2 production, independent of exercise (P < 0.05). There was no difference in PGE2 suppression between the two doses (P > 0.05). In summary, low-dose aspirin levels are sufficient to inhibit the COX enzyme in skeletal muscle and significantly reduce production of PGE2, a known regulator of skeletal muscle health. Aerobic exercise does not appear to alter the inhibitory efficacy of aspirin. These findings may have implications for the tens of millions of individuals who chronically consume low-dose aspirin.NEW & NOTEWORTHY This study demonstrated that even low-dose aspirin concentrations can significantly reduce the prostaglandin (PG)E2/cyclooxygenase (COX) pathway activity in human skeletal muscle and this effect is not altered during the recovery period following aerobic exercise. These findings are noteworthy since aspirin is one of the most commonly consumed drugs in the world and nonaspirin COX-inhibiting drugs have been shown to regulate skeletal muscle health in sedentary and exercise-training individuals.
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Affiliation(s)
| | - Masatoshi Naruse
- Human Performance Laboratory, Ball State University, Muncie, Indiana
| | - Alex Claiborne
- Human Performance Laboratory, Ball State University, Muncie, Indiana
| | - Andrew M Stroh
- Human Performance Laboratory, Ball State University, Muncie, Indiana
| | - Kevin J Gries
- Human Performance Laboratory, Ball State University, Muncie, Indiana
| | - Andrew M Jones
- Human Performance Laboratory, Ball State University, Muncie, Indiana
| | - Kiril Minchev
- Human Performance Laboratory, Ball State University, Muncie, Indiana
| | - Bridget E Lester
- Human Performance Laboratory, Ball State University, Muncie, Indiana
| | - Ulrika Raue
- Human Performance Laboratory, Ball State University, Muncie, Indiana
| | - Scott Trappe
- Human Performance Laboratory, Ball State University, Muncie, Indiana
| | - Todd A Trappe
- Human Performance Laboratory, Ball State University, Muncie, Indiana
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33
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Schmeisser S, Li S, Bouchard B, Ruiz M, Des Rosiers C, Roy R. Muscle-Specific Lipid Hydrolysis Prolongs Lifespan through Global Lipidomic Remodeling. Cell Rep 2020; 29:4540-4552.e8. [PMID: 31875559 DOI: 10.1016/j.celrep.2019.11.090] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 09/20/2019] [Accepted: 11/21/2019] [Indexed: 12/20/2022] Open
Abstract
A growing body of evidence suggests that changes in fat metabolism may have a significant effect on lifespan. Accumulation of lipid deposits in non-adipose tissue appears to be critical for age-related pathologies and may also contribute to the aging process itself. We established a model of lipid storage in muscle cells of C. elegans to reveal a mechanism that promotes longevity non-cell-autonomously. Here, we describe how muscle-specific activation of adipose triglyceride lipase (ATGL) and the phospholipase A2 (PLA2) ortholog IPLA-7 collectively affect inter-tissular communication and systemic adaptation that requires the activity of AMP-dependent protein kinase (AMPK) and a highly conserved nuclear receptor outside of the muscle. Our data suggest that muscle-specific bioactive lipid signals, or "lipokines," are generated following triglyceride breakdown and that these signals impinge on a complex network of genes that modify the global lipidome, consequently extending the lifespan.
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Affiliation(s)
| | - Shaolin Li
- Department of Biology, McGill University, Montreal, QC H3A 1B1, Canada
| | - Bertrand Bouchard
- Montreal Heart Institute, Research Center, Montreal, QC H1T 1C8, Canada
| | - Matthieu Ruiz
- Montreal Heart Institute, Research Center, Montreal, QC H1T 1C8, Canada; Department of Medicine, University of Montreal, Montreal, QC H3T 1J4, Canada
| | - Christine Des Rosiers
- Montreal Heart Institute, Research Center, Montreal, QC H1T 1C8, Canada; Department of Nutrition, University of Montreal, Montreal, QC H2T 1A8, Canada
| | - Richard Roy
- Department of Biology, McGill University, Montreal, QC H3A 1B1, Canada.
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34
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Markworth JF, Brown LA, Lim E, Floyd C, Larouche J, Castor-Macias JA, Sugg KB, Sarver DC, Macpherson PC, Davis C, Aguilar CA, Maddipati KR, Brooks SV. Resolvin D1 supports skeletal myofiber regeneration via actions on myeloid and muscle stem cells. JCI Insight 2020; 5:137713. [PMID: 32750044 PMCID: PMC7526543 DOI: 10.1172/jci.insight.137713] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 07/31/2020] [Indexed: 12/16/2022] Open
Abstract
Specialized proresolving mediators (SPMs) actively limit inflammation and expedite its resolution by modulating leukocyte recruitment and function. Here we profiled intramuscular lipid mediators via liquid chromatography-tandem mass spectrometry–based metabolipidomics following myofiber injury and investigated the potential role of SPMs in skeletal muscle inflammation and repair. Both proinflammatory eicosanoids and SPMs increased following myofiber damage induced by either intramuscular injection of barium chloride or synergist ablation–induced functional muscle overload. Daily systemic administration of the SPM resolvin D1 (RvD1) as an immunoresolvent limited the degree and duration of inflammation, enhanced regenerating myofiber growth, and improved recovery of muscle strength. RvD1 suppressed inflammatory cytokine expression, enhanced polymorphonuclear cell clearance, modulated the local muscle stem cell response, and polarized intramuscular macrophages to a more proregenerative subset. RvD1 had minimal direct impact on in vitro myogenesis but directly suppressed myokine production and stimulated macrophage phagocytosis, showing that SPMs can modulate both infiltrating myeloid and resident muscle cell populations. These data reveal the efficacy of immunoresolvents as a novel alternative to classical antiinflammatory interventions in the management of muscle injuries to modulate inflammation while stimulating tissue repair. Systemic administration of the immunoresolvent resolvin D1 enhances skeletal muscle repair via modulatory effects on both resident muscle stem cells and intramuscular macrophages.
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Affiliation(s)
- James F Markworth
- Department of Molecular & Integrative Physiology.,Department of Orthopaedic Surgery
| | | | - Eunice Lim
- Department of Molecular & Integrative Physiology
| | | | | | | | - Kristoffer B Sugg
- Department of Orthopaedic Surgery.,Department of Surgery, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Dylan C Sarver
- Department of Orthopaedic Surgery.,Department of Cellular & Molecular Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - Carol Davis
- Department of Molecular & Integrative Physiology
| | | | - Krishna Rao Maddipati
- Department of Pathology, Lipidomics Core Facility, Wayne State University, Detroit, Michigan, USA
| | - Susan V Brooks
- Department of Molecular & Integrative Physiology.,Department of Biomedical Engineering, and
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35
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Agustinho BC, Zeoula LM, Santos NW, Machado E, Yoshimura EH, Ribas JCR, Bragatto JM, Stemposki MR, dos Santos VJ, Faciola AP. Effects of Flaxseed Oil and Vitamin E Supplementation on Digestibility and Milk Fatty Composition and Antioxidant Capacity in Water Buffaloes. Animals (Basel) 2020; 10:ani10081294. [PMID: 32751092 PMCID: PMC7460195 DOI: 10.3390/ani10081294] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/17/2020] [Accepted: 07/22/2020] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Flaxseed oil is rich in n-3 fatty acids, while vitamin E is a potent antioxidant. Both have been tested in dairy cows’ diets to increase n-3 concentration and antioxidant capacity in the milk. However, there is no published research testing flaxseed oil and vitamin E supplementation simultaneously in lactating dairy buffaloes, which can have a different response compared to dairy cows. Increasing milk unsaturated fatty acids while not increasing lipid oxidation is a challenge; however, in this experiment we demonstrated that it is possible to achieve these in buffalo milk by supplementing the diet with flaxseed oil and vitamin E. Flaxseed oil supplementation increased the n-3 fatty acid concentration and oxidation products in the milk, while vitamin E supplementation increased milk’s antioxidant capacity. Abstract This study aimed to evaluate the effects of the supplementation of flaxseed oil and/or vitamin E on dry matter (DM) and nutrient digestibility, milk composition, fatty acid composition, and antioxidant capacity in buffalo milk. Four crossbred female dairy water buffaloes (97 ± 22 days in milk; 6.57 ± 2.2 kg of milk/day, mean ± SD) were distributed in a 4 × 4 Latin square design, with a 2 × 2 factorial arrangement (with or without flaxseed oil at 25 g/kg dry matter; with or without vitamin E at 375 IU/kg dry matter). The experimental period was divided into four periods of 21 days each (16 days for adaptation; five days for data collection). There were four treatments: control diet (no flaxseed oil and no added vitamin E); flaxseed oil diet (flaxseed oil at 25 g/kg DM); vitamin E diet (vitamin E at 375 IU/kg DM), and a combination of both flaxseed oil and vitamin E. The animals were fed total mixed ratios. For all response variables, there was no interaction between flaxseed oil and vitamin E. Flaxseed oil supplementation reduced neutral detergent fiber (NDF) and acid detergent fiber (ADF) apparent total tract digestibility, increased the n-3 fatty acid concentration in milk approximately three-fold while reducing the n-6/n-3 ratio from 9.3:1 to 2.4:1. Vitamin E supplementation increased NDF apparent total tract digestibility and milk total antioxidant capacity. Although there was no interaction between the treatments; flaxseed oil supplementation in lactating buffaloes increased polyunsaturated fatty acid, while vitamin E supplementation increased antioxidant capacity and decreased oxidation products.
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Affiliation(s)
- Bruna C. Agustinho
- Department of Animal Science, State University of Maringa, Maringa PR 87020-900, Brazil; (L.M.Z.); (N.W.S.); (E.M.); (E.H.Y.); (J.C.R.R.); (J.M.B.); (M.R.S.)
- Correspondence: ; Tel.: +1-(352)-870-3589
| | - Lucia M. Zeoula
- Department of Animal Science, State University of Maringa, Maringa PR 87020-900, Brazil; (L.M.Z.); (N.W.S.); (E.M.); (E.H.Y.); (J.C.R.R.); (J.M.B.); (M.R.S.)
| | - Nadine W. Santos
- Department of Animal Science, State University of Maringa, Maringa PR 87020-900, Brazil; (L.M.Z.); (N.W.S.); (E.M.); (E.H.Y.); (J.C.R.R.); (J.M.B.); (M.R.S.)
| | - Erica Machado
- Department of Animal Science, State University of Maringa, Maringa PR 87020-900, Brazil; (L.M.Z.); (N.W.S.); (E.M.); (E.H.Y.); (J.C.R.R.); (J.M.B.); (M.R.S.)
| | - Emerson H. Yoshimura
- Department of Animal Science, State University of Maringa, Maringa PR 87020-900, Brazil; (L.M.Z.); (N.W.S.); (E.M.); (E.H.Y.); (J.C.R.R.); (J.M.B.); (M.R.S.)
| | - Jessyca C. R. Ribas
- Department of Animal Science, State University of Maringa, Maringa PR 87020-900, Brazil; (L.M.Z.); (N.W.S.); (E.M.); (E.H.Y.); (J.C.R.R.); (J.M.B.); (M.R.S.)
| | - Janaina M. Bragatto
- Department of Animal Science, State University of Maringa, Maringa PR 87020-900, Brazil; (L.M.Z.); (N.W.S.); (E.M.); (E.H.Y.); (J.C.R.R.); (J.M.B.); (M.R.S.)
| | - Mariana R. Stemposki
- Department of Animal Science, State University of Maringa, Maringa PR 87020-900, Brazil; (L.M.Z.); (N.W.S.); (E.M.); (E.H.Y.); (J.C.R.R.); (J.M.B.); (M.R.S.)
| | | | - Antonio P. Faciola
- Department of Animal Sciences, University of Florida, Gainesville, FL 32611, USA;
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36
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Liu D, Zuo X, Luo H, Zhu H. The altered metabolism profile in pathogenesis of idiopathic inflammatory myopathies. Semin Arthritis Rheum 2020; 50:627-635. [PMID: 32502727 DOI: 10.1016/j.semarthrit.2020.05.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 04/28/2020] [Accepted: 05/11/2020] [Indexed: 11/29/2022]
Abstract
Idiopathic inflammatory myopathies (IIMs) are a group of heterogeneous autoimmune diseases characterized by muscle weakness, muscle inflammation and extramuscular manifestations. Despite extensive efforts, the mechanisms of IIMs remain largely unknown, and treatment is still a challenge for physicians. Metabolism changes have emerged as a crucial player in autoimmune diseases, such as systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). However, little is known about metabolism changes in IIMs. In this review, we focus on the alteration of metabolism profile in IIMs, and the relationships with clinical information. We highlight the potential roles of metabolism in the pathogenesis of IIMs and discuss future perspectives for metabolic checkpoint-based therapeutic interventions.
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Affiliation(s)
- Di Liu
- Department of Rheumatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan 410008, People's Republic of China
| | - Xiaoxia Zuo
- Department of Rheumatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan 410008, People's Republic of China
| | - Hui Luo
- Department of Rheumatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan 410008, People's Republic of China
| | - Honglin Zhu
- Department of Rheumatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, Hunan 410008, People's Republic of China.
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37
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Antunes MM, Godoy G, de Almeida-Souza CB, da Rocha BA, da Silva-Santi LG, Masi LN, Carbonera F, Visentainer JV, Curi R, Bazotte RB. A high-carbohydrate diet induces greater inflammation than a high-fat diet in mouse skeletal muscle. ACTA ACUST UNITED AC 2020; 53:e9039. [PMID: 32077465 PMCID: PMC7025447 DOI: 10.1590/1414-431x20199039] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 12/16/2019] [Indexed: 01/09/2023]
Abstract
We previously reported that both the high-carbohydrate diet (HCD) and high-fat diet (HFD) given for two months promote lipid deposition and inflammation in the liver and brain of mice. The results obtained indicate a tissue-specific response to both diets. Herein, we compared the effects of HCD and HFD on fatty acid (FA) composition and inflammation in the gastrocnemius muscle. Male Swiss mice were fed with HCD or HFD for 1 or 2 months. Saturated FA (SFA), monounsaturated FA (MUFA), n-3 polyunsaturated FA (n-3 PUFA), and n-6 PUFA were quantified. The activities of stearoyl-CoA desaturase 1 (SCD-1), Δ-6 desaturase (D6D), elongase 6, and de novo lipogenesis (DNL) were estimated. As for indicators of the inflammatory tissue state, we measured myeloperoxidase (MPO) activity and gene expression of F4/80, tumor necrosis factor-α (TNF-α), interleukin (IL)-4, IL-6, and IL-10. The HCD led to a lower deposition of SFA, MUFA, n-3 PUFA, and n-6 PUFA compared to HFD. However, the HCD increased arachidonic acid levels, SFA/n-3 PUFA ratio, DNL, SCD-1, D6D, and MPO activities, and expression of IL-6, contrasting with the general idea that increased lipid deposition is associated with more intense inflammation. The HCD was more potent to induce skeletal muscle inflammation than the HFD, regardless of the lower lipid accumulation.
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Affiliation(s)
- M M Antunes
- Departamento de Farmacologia e Terapêutica, Universidade Estadual de Maringá, Maringá, PR, Brasil
| | - G Godoy
- Departamento de Farmacologia e Terapêutica, Universidade Estadual de Maringá, Maringá, PR, Brasil
| | - C B de Almeida-Souza
- Departamento de Farmacologia e Terapêutica, Universidade Estadual de Maringá, Maringá, PR, Brasil
| | - B A da Rocha
- Departamento de Farmacologia e Terapêutica, Universidade Estadual de Maringá, Maringá, PR, Brasil
| | - L G da Silva-Santi
- Departamento de Farmacologia e Terapêutica, Universidade Estadual de Maringá, Maringá, PR, Brasil
| | - L N Masi
- Programa de Pós-Graduação Interdisciplinar em Ciências da Saúde, Universidade Cruzeiro do Sul, São Paulo, SP, Brasil
| | - F Carbonera
- Departmento de Química, Universidade Estadual de Maringá, Maringá, PR, Brasil
| | - J V Visentainer
- Departmento de Química, Universidade Estadual de Maringá, Maringá, PR, Brasil
| | - R Curi
- Programa de Pós-Graduação Interdisciplinar em Ciências da Saúde, Universidade Cruzeiro do Sul, São Paulo, SP, Brasil
| | - R B Bazotte
- Departamento de Farmacologia e Terapêutica, Universidade Estadual de Maringá, Maringá, PR, Brasil
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Xu Z, Dai XX, Zhang QY, Su SL, Yan H, Zhu Y, Shang EX, Qian DW, Duan JA. Protective effects and mechanisms of Rehmannia glutinosa leaves total glycoside on early kidney injury in db/db mice. Biomed Pharmacother 2020; 125:109926. [PMID: 32028239 DOI: 10.1016/j.biopha.2020.109926] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 12/10/2019] [Accepted: 12/15/2019] [Indexed: 02/07/2023] Open
Abstract
The spontaneous db/db mice were used to elucidate the biological effects and mechanisms of Rehmannia glutinosa leaves total glycoside (DHY) on kidney injury through biochemical indicators, kidney pathological section analysis, metabolic profiling, intestinal flora analysis and in vitro Human renal tubular epithelial (HK-2) cell model induced by high glucose. It was found that DHY can decrease the blood sugar level (insulin, INS; fasting blood glucose, FBG), blood lipid level (Total Cholesterol, T-CHO; Triglyceride, TG) significantly and improve kidney injury level (blood urea nitrogen, BUN; urine microalbumin, mALB; serum creatinine, Scr). It can also alleviate kidney tubular epithelial cell oedema and reduce interstitial connective tissue hyperplasia of the injury kidney induced by high glucose. 13 endogenous metabolites were identified in serum, which involved of ether lipid metabolism, sphingolipid metabolism, glyoxylic acid and dicarboxylic acid metabolism and arachidonic acid metabolism. High glucose can also lead to the disorder of intestinal flora, especially Firmicutes and Bacteroides. Meanwhile, DHY also inhibited the expression of α-SMA, TGF- β1, Smad3 and Smad4 in the kidney tissues of db/db mice and HK-2 cells. To sum up, DHY may restore the dysfunctional intestinal flora to normal and regulate glycolipid level of db/db mice as well as TGF-β/Smad signalling pathway regulation to improve early kidney damage caused by diabetes.
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Affiliation(s)
- Zhuo Xu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Xin-Xin Dai
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Qing-Yang Zhang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Shu-Lan Su
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China.
| | - Hui Yan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Yue Zhu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Er-Xin Shang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Da-Wei Qian
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China
| | - Jin-Ao Duan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine, Traditional Chinese Medicine Resource Recycling, Nanjing University of Chinese Medicine, Nanjing 210023, PR China.
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Zhang Y, Chen H, Zhang W, Cai Y, Shan P, Wu D, Zhang B, Liu H, Khan ZA, Liang G. Arachidonic acid inhibits inflammatory responses by binding to myeloid differentiation factor-2 (MD2) and preventing MD2/toll-like receptor 4 signaling activation. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165683. [PMID: 31953218 DOI: 10.1016/j.bbadis.2020.165683] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/07/2020] [Accepted: 01/10/2020] [Indexed: 12/29/2022]
Abstract
Arachidonic acid (AA) plays a fundamental role in the function of all cells. Metabolites of AA contribute to inflammation as well as for resolving inflammation. Although AA-derived metabolites exhibit well-substantiated bioactivity, it is not known whether AA regulates inflammatory responses independent of its metabolites. With the recent discovery that saturated fatty acids activate toll-like receptor-4 (TLR4), we tested the hypothesis that AA directly regulates inflammatory responses through modulating the activity of TLR4. In cultured cardiomyocytes and macrophages, we found that AA prevents saturated fatty acid-induced TLR4 complex formation with accessory proteins and the induction of proinflammatory cytokines. We discovered that AA directly binds to TLR4 co-receptor, myeloid differentiation factor 2 (MD2) and prevents saturated fatty acids from activating TLR4 pro-inflammatory signaling pathway. Similarly, AA reduced lipopolysaccharide (LPS)-induced inflammation in macrophages and septic death in mice through binding to MD2. In high-fat diet mouse model of obesity and LPS-induced model of acute lung injury, both mediating inflammatory responses through TLR4, treatment with AA prevented MD2/TLR4 dimerization, induction of inflammatory factors, and tissue injuries. In summary, we have discovered that AA interacts with MD2 and disrupts TLR4 activation by LPS and saturated fatty acids. These findings provide experimental evidence for a direct mechanism of AA-induced regulation of inflammation.
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Affiliation(s)
- Yali Zhang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Affiliated Cangnan Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325800, China
| | - Hongjin Chen
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Affiliated Yueqing Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325600, China
| | - Wenxin Zhang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Affiliated Yueqing Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325600, China
| | - Yan Cai
- Affiliated Yueqing Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325600, China
| | - Peiren Shan
- Department of Cardiology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325025, China
| | - Di Wu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Bing Zhang
- Affiliated Cangnan Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325800, China
| | - Hui Liu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Zia A Khan
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Guang Liang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Affiliated Cangnan Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325800, China; Affiliated Yueqing Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325600, China.
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40
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Liu R, Chen Y, Fu W, Wang S, Cui Y, Zhao X, Lei ZN, Hettinghouse A, Liu J, Wang C, Zhang C, Bi Y, Xiao G, Chen ZS, Liu CJ. Fexofenadine inhibits TNF signaling through targeting to cytosolic phospholipase A2 and is therapeutic against inflammatory arthritis. Ann Rheum Dis 2019; 78:1524-1535. [PMID: 31302596 DOI: 10.1136/annrheumdis-2019-215543] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 06/29/2019] [Accepted: 07/01/2019] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Tumour necrosis factor alpha (TNF-α) signalling plays a central role in the pathogenesis of various autoimmune diseases, particularly inflammatory arthritis. This study aimed to repurpose clinically approved drugs as potential inhibitors of TNF-α signalling in treatment of inflammatory arthritis. METHODS In vitro and in vivo screening of an Food and Drug Administration (FDA)-approved drug library; in vitro and in vivo assays for examining the blockade of TNF actions by fexofenadine: assays for defining the anti-inflammatory activity of fexofenadine using TNF-α transgenic (TNF-tg) mice and collagen-induced arthritis in DBA/1 mice. Identification and characterisation of the binding of fexofenadine to cytosolic phospholipase A2 (cPLA2) using drug affinity responsive target stability assay, proteomics, cellular thermal shift assay, information field dynamics and molecular dynamics; various assays for examining fexofenadine inhibition of cPLA2 as well as the dependence of fexofenadine's anti-TNF activity on cPLA2. RESULTS Serial screenings of a library composed of FDA-approved drugs led to the identification of fexofenadine as an inhibitor of TNF-α signalling. Fexofenadine potently inhibited TNF/nuclear factor kappa-light-chain-enhancer of activated B cells (NF-ĸB) signalling in vitro and in vivo, and ameliorated disease symptoms in inflammatory arthritis models. cPLA2 was isolated as a novel target of fexofenadine. Fexofenadine blocked TNF-stimulated cPLA2 activity and arachidonic acid production through binding to catalytic domain 2 of cPLA2 and inhibition of its phosphorylation on Ser-505. Further, deletion of cPLA2 abolished fexofenadine's anti-TNF activity. CONCLUSION Collectively, these findings not only provide new insights into the understanding of fexofenadine action and underlying mechanisms but also provide new therapeutic interventions for various TNF-α and cPLA2-associated pathologies and conditions, particularly inflammatory rheumatic diseases.
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Affiliation(s)
- Ronghan Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Yuehong Chen
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Wenyu Fu
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Shuya Wang
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Yazhou Cui
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Xiangli Zhao
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Zi-Ning Lei
- Department of Pharmaceutical Science, College ofPharmacy and Health Sciences, St. John's University, New York, NY, USA
| | - Aubryanna Hettinghouse
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Jody Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Chao Wang
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Chen Zhang
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Yufei Bi
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA
| | - Guozhi Xiao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Science, College ofPharmacy and Health Sciences, St. John's University, New York, NY, USA
| | - Chuan-Ju Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York City, New York, USA .,Departmentof Cell Biology, New York University School of Medicine, New York, NY, USA
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41
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Gęgotek A, Skrzydlewska E. Biological effect of protein modifications by lipid peroxidation products. Chem Phys Lipids 2019; 221:46-52. [DOI: 10.1016/j.chemphyslip.2019.03.011] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/26/2019] [Accepted: 03/24/2019] [Indexed: 01/26/2023]
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Al-Khelaifi F, Donati F, Botrè F, Latiff A, Abraham D, Hingorani A, Georgakopoulos C, Suhre K, Yousri NA, Elrayess MA. Metabolic profiling of elite athletes with different cardiovascular demand. Scand J Med Sci Sports 2019; 29:933-943. [PMID: 30929282 DOI: 10.1111/sms.13425] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 02/21/2019] [Accepted: 02/28/2019] [Indexed: 12/21/2022]
Abstract
Intensive exercise of elite athletes can lead to physiological alterations in the cardiovascular system in response to increased stroke volume and blood pressure, known collectively as cardiovascular demand (CD). This study aimed to compare metabolic differences in elite athletes with high vs low/moderate CD and to reveal their underlying metabolic pathways as potential biomarker signatures for assessing health, performance, and recovery of elite athletes. Metabolic profiling of serum samples from 495 elite athletes from different sport disciplines (118 high CD and 377 low/moderate CD athletes) was conducted using non-targeted metabolomics-based mass spectroscopy combined with ultra-high-performance liquid chromatography. Results show that DAGs containing arachidonic were enriched in high CD together with branched-chain amino acids, plasminogens, phosphatidylcholines, and phosphatidylethanolamines, potentially indicating increased risk of cardiovascular disease in the high CD group. Gamma-glutamyl amino acids and glutathione metabolism were increased in low/moderate CD group, suggesting more efficient oxidative stress scavenging mechanisms than the high CD group. This first most comprehensive metabolic profiling of elite athletes provides an evidence that athletes with different CD show a unique metabolic signature that reflects energy generation and oxidative stress and potentially places the high CD group at a higher risk of cardiovascular disease. Further studies are warranted for confirmation and validation of findings in other sport groups in light of potential confounders related to limited available information about participants.
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Affiliation(s)
- Fatima Al-Khelaifi
- Anti Doping Laboratory Qatar, Doha, Qatar.,Royal Free Campus, UCL-Medical School, London, UK
| | - Francesco Donati
- Laboratorio Antidoping, Federazione Medico Sportiva Italiana, Rome, Italy
| | - Francesco Botrè
- Laboratorio Antidoping, Federazione Medico Sportiva Italiana, Rome, Italy
| | | | | | - Aroon Hingorani
- UCL Institute of Cardiovascular Science, University College London, London, UK
| | | | - Karsten Suhre
- Department of Physiology and Biophysics, Weill Cornell Medical College in Qatar, Qatar-Foundation, Doha, Qatar
| | - Noha A Yousri
- Computers and System Engineering, Alexandria University, Alexandria, Egypt.,Department of Genetic Medicine, Weill Cornell Medical College in Qatar, Qatar-Foundation, Doha, Qatar
| | - Mohamed A Elrayess
- Anti Doping Laboratory Qatar, Doha, Qatar.,Royal Free Campus, UCL-Medical School, London, UK.,Biomedical Research Center, Qatar University, Doha, Qatar
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Yang Q, Liu R, Yu Q, Bi Y, Liu G. Metabolic regulation of inflammasomes in inflammation. Immunology 2019; 157:95-109. [PMID: 30851192 DOI: 10.1111/imm.13056] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 02/25/2019] [Accepted: 03/05/2019] [Indexed: 12/21/2022] Open
Abstract
Inflammasome activation and subsequent inflammatory cytokine secretion are essential for innate immune defence against multiple stimuli and are regarded as a link to adaptive immune responses. Dysfunction of inflammasome activation has been discovered at the onset or progression of infectious diseases, autoimmune diseases and cancer, all of which are also associated with metabolic factors. Furthermore, many studies concerning the metabolic regulation of inflammasome activation have emerged in recent years, especially regarding the activity of the NLRP3 inflammasome under metabolic reprogramming. In this review, we discuss the molecular mechanisms of the interactions between metabolic pathways and inflammasome activation, which exerts further important effects on various diseases.
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Affiliation(s)
- Qiuli Yang
- Key Laboratory of Cell Proliferation and Regulation Biology of Ministry of Education, Institute of Cell Biology, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Ruichen Liu
- Key Laboratory of Cell Proliferation and Regulation Biology of Ministry of Education, Institute of Cell Biology, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Qing Yu
- Key Laboratory of Cell Proliferation and Regulation Biology of Ministry of Education, Institute of Cell Biology, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Yujing Bi
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Guangwei Liu
- Key Laboratory of Cell Proliferation and Regulation Biology of Ministry of Education, Institute of Cell Biology, College of Life Sciences, Beijing Normal University, Beijing, China
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Hoxha M. Duchenne muscular dystrophy: Focus on arachidonic acid metabolites. Biomed Pharmacother 2019; 110:796-802. [DOI: 10.1016/j.biopha.2018.12.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 12/07/2018] [Accepted: 12/07/2018] [Indexed: 12/11/2022] Open
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Raouf J, Idborg H, Englund P, Alexanderson H, Dastmalchi M, Jakobsson PJ, Lundberg IE, Korotkova M. Targeted lipidomics analysis identified altered serum lipid profiles in patients with polymyositis and dermatomyositis. Arthritis Res Ther 2018; 20:83. [PMID: 29720222 PMCID: PMC5932839 DOI: 10.1186/s13075-018-1579-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 03/27/2018] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Polymyositis (PM) and dermatomyositis (DM) are severe chronic autoimmune diseases, characterized by muscle fatigue and low muscle endurance. Conventional treatment includes high doses of glucocorticoids and immunosuppressive drugs; however, few patients recover full muscle function. One explanation of the persistent muscle weakness could be altered lipid metabolism in PM/DM muscle tissue as we previously reported. Using a targeted lipidomic approach we aimed to characterize serum lipid profiles in patients with PM/DM compared to healthy individuals (HI) in a cross-sectional study. Also, in the longitudinal study we compared serum lipid profiles in patients newly diagnosed with PM/DM before and after immunosuppressive treatment. METHODS Lipidomic profiles were analyzed in serum samples from 13 patients with PM/DM, 12 HI and 8 patients newly diagnosed with PM/DM before and after conventional immunosuppressive treatment using liquid chromatography tandem mass spectrometry (LC-MS/MS) and a gas-chromatography flame ionization detector (GC-FID). Functional Index (FI), as a test of muscle performance and serum levels of creatine kinase (s-CK) as a proxy for disease activity were analyzed. RESULTS The fatty acid (FA) composition of total serum lipids was altered in patients with PM/DM compared to HI; the levels of palmitic (16:0) acid were significantly higher while the levels of arachidonic (20:4, n-6) acid were significantly lower in patients with PM/DM. The profiles of serum phosphatidylcholine and triacylglycerol species were changed in patients with PM/DM compared to HI, suggesting disproportionate levels of saturated and polyunsaturated FAs that might have negative effects on muscle performance. After immunosuppressive treatment the total serum lipid levels of eicosadienoic (20:2, n-6) and eicosapentaenoic (20:5, n-3) acids were increased and serum phospholipid profiles were altered in patients with PM/DM. The correlation between FI or s-CK and levels of several lipid species indicate the important role of lipid changes in muscle performance and inflammation. CONCLUSIONS Serum lipids profiles are significantly altered in patients with PM/DM compared to HI. Moreover, immunosuppressive treatment in patients newly diagnosed with PM/DM significantly affected serum lipid profiles. These findings provide new evidence of the dysregulated lipid metabolism in patients with PM/DM that could possibly contribute to low muscle performance.
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Affiliation(s)
- Joan Raouf
- Division of Rheumatology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Center for Molecular Medicine, Stockholm, Sweden
| | - Helena Idborg
- Division of Rheumatology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Center for Molecular Medicine, Stockholm, Sweden
| | - Petter Englund
- Department of Environmental Science and Analytical Chemistry, Stockholm University, Stockholm, Sweden
| | - Helene Alexanderson
- Division of Rheumatology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Center for Molecular Medicine, Stockholm, Sweden
| | - Maryam Dastmalchi
- Division of Rheumatology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Center for Molecular Medicine, Stockholm, Sweden
| | - Per-Johan Jakobsson
- Division of Rheumatology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Center for Molecular Medicine, Stockholm, Sweden
| | - Ingrid E Lundberg
- Division of Rheumatology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Center for Molecular Medicine, Stockholm, Sweden
| | - Marina Korotkova
- Division of Rheumatology, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Center for Molecular Medicine, Stockholm, Sweden.
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Markworth JF, D'Souza RF, Aasen KMM, Mitchell SM, Durainayagam BR, Sinclair AJ, Peake JM, Egner IM, Raastad T, Cameron-Smith D, Mitchell CJ. Arachidonic acid supplementation transiently augments the acute inflammatory response to resistance exercise in trained men. J Appl Physiol (1985) 2018; 125:271-286. [PMID: 29698111 DOI: 10.1152/japplphysiol.00169.2018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Strenuous exercise can result in skeletal muscle damage, leading to the systemic mobilization, activation, and intramuscular accumulation of blood leukocytes. Eicosanoid metabolites of arachidonic acid (ARA) are potent inflammatory mediators, but whether changes in dietary ARA intake influence exercise-induced inflammation is not known. This study investigated the effect of 4 wk of dietary supplementation with 1.5 g/day ARA ( n = 9, 24 ± 1.5 yr) or corn-soy oil placebo ( n = 10, 26 ± 1.3 yr) on systemic and intramuscular inflammatory responses to an acute bout of resistance exercise (8 sets each of leg press and extension at 80% one-repetition maximum) in previously trained men. Whole EDTA blood, serum, peripheral blood mononuclear cells (PMBCs), and skeletal muscle biopsies were collected before exercise, immediately postexercise, and at 2, 4, and 48 h of recovery. ARA supplementation resulted in higher exercise-stimulated serum creatine kinase activity [incremental area under the curve (iAUC) P = 0.046] and blood leukocyte counts (iAUC for total white cells, P < 0.001; neutrophils: P = 0.007; monocytes: P = 0.015). The exercise-induced fold change in peripheral blood mononuclear cell mRNA expression of interleukin-1β ( IL1B), CD11b ( ITGAM), and neutrophil elastase ( ELANE), as well as muscle mRNA expression of the chemokines interleukin-8 ( CXCL8) and monocyte chemoattractant protein 1 ( CCL2) was also greater in the ARA group than placebo. Despite this, ARA supplementation did not influence the histological presence of leukocytes within muscle, perceived muscle soreness, or the extent and duration of muscle force loss. These data show that ARA supplementation transiently increased the inflammatory response to acute resistance exercise but did not impair recovery. NEW & NOTEWORTHY Daily arachidonic acid supplementation for 4 wk in trained men augmented the acute systemic and intramuscular inflammatory response to a subsequent bout of resistance exercise. Greater exercise-induced inflammatory responses in men receiving arachidonic acid supplementation were not accompanied by increased symptoms of exercise-induced muscle damage. Although increased dietary arachidonic acid intake does not appear to influence basal inflammation in humans, the acute inflammatory response to exercise stress is transiently increased following arachidonic acid supplementation.
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Affiliation(s)
- James F Markworth
- Liggins Institute, University of Auckland , Grafton , New Zealand.,Department of Molecular and Integrative Physiology, University of Michigan , Ann Arbor, Michigan
| | | | | | - Sarah M Mitchell
- Liggins Institute, University of Auckland , Grafton , New Zealand
| | | | | | - Jonathan M Peake
- Sports Performance Innovation and Knowledge Excellence, Queensland Academy of Sport , Brisbane , Australia.,School of Biomedical Sciences and Institute of Health and Biomedical Innovation, Queensland University of Technology , Brisbane , Australia
| | - Ingrid M Egner
- Department of Biosciences, University of Oslo , Oslo , Norway
| | - Truls Raastad
- Department of Physical Performance, Norwegian School of Sport Sciences , Oslo , Norway
| | - David Cameron-Smith
- Liggins Institute, University of Auckland , Grafton , New Zealand.,Food and Bio-based Products Group, AgResearch, Palmerston North , New Zealand.,Riddet Institute , Palmerston North , New Zealand
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47
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Mitchell CJ, D'Souza RF, Figueiredo VC, Chan A, Aasen K, Durainayagam B, Mitchell S, Sinclair AJ, Egner IM, Raastad T, Cameron-Smith D, Markworth JF. Effect of dietary arachidonic acid supplementation on acute muscle adaptive responses to resistance exercise in trained men: a randomized controlled trial. J Appl Physiol (1985) 2018; 124:1080-1091. [DOI: 10.1152/japplphysiol.01100.2017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Arachidonic acid (ARA), a polyunsaturated ω-6 fatty acid, acts as precursor to a number of prostaglandins with potential roles in muscle anabolism. It was hypothesized that ARA supplementation might enhance the early anabolic response to resistance exercise (RE) by increasing muscle protein synthesis (MPS) via mammalian target of rapamycin (mTOR) pathway activation and/or the late anabolic response by modulating ribosome biogenesis and satellite cell expansion. Nineteen men with ≥1 yr of resistance-training experience were randomized to consume either 1.5 g daily ARA or a corn-soy-oil placebo in a double-blind manner for 4 wk. Participants then undertook fasted RE (8 sets each of leg press and extension at 80% 1-repetition maximum), with vastus lateralis biopsies obtained before exercise, immediately postexercise, and at 2, 4, and 48 h of recovery. MPS (measured via stable isotope infusion) was not different between groups ( P = 0.212) over the 4-h recovery period. mTOR pathway members p70 S6 kinase and S6 ribosomal protein were phosphorylated postexercise ( P < 0.05), with no difference between groups. 45S preribosomal RNA increased 48 h after exercise only in ARA ( P = 0.012). Neural cell adhesion molecule-positive satellite cells per fiber increased 48 h after exercise ( P = 0.013), with no difference between groups ( P = 0.331). Prior ARA supplementation did not alter the acute anabolic response to RE in previously resistance-trained men; however, at 48 h of recovery, ribosome biogenesis was stimulated only in the ARA group. The findings do not support a mechanistic link between ARA and short-term anabolism, but ARA supplementation in conjunction with resistance training may stimulate increases in translational capacity. NEW & NOTEWORTHY Four weeks of daily arachidonic acid supplementation in trained men did not alter their acute muscle protein synthetic or anabolic signaling response to resistance exercise. However, 48 h after exercise, men supplemented with arachidonic acid showed greater ribosome biogenesis and a trend toward greater change in satellite cell content. Chronic arachidonic acid supplementation does not appear to regulate the acute anabolic response to resistance exercise but may augment muscle adaptation in the following days of recovery.
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Affiliation(s)
| | | | - Vandre C. Figueiredo
- Liggins Institute, University of Auckland, Auckland, New Zealand
- Center for Muscle Biology, University of Kentucky, Lexington, Kentucky
| | - Alex Chan
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Kirsten Aasen
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | | | - Sarah Mitchell
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | | | | | - Truls Raastad
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - David Cameron-Smith
- Liggins Institute, University of Auckland, Auckland, New Zealand
- Food & Bio-based Products Group, AgResearch, Palmerston North, New Zealand
- Riddet Institute, Palmerston North, New Zealand
| | - James F. Markworth
- Liggins Institute, University of Auckland, Auckland, New Zealand
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, Michigan
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48
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Huang L, Tepaamorndech S, Kirschke CP, Newman JW, Keyes WR, Pedersen TL, Dumnil J. Aberrant fatty acid metabolism in skeletal muscle contributes to insulin resistance in zinc transporter 7 ( znt7)-knockout mice. J Biol Chem 2018; 293:7549-7563. [PMID: 29555680 DOI: 10.1074/jbc.m117.817692] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 03/12/2018] [Indexed: 12/22/2022] Open
Abstract
ZnT7 (Slc30a7) is a widely expressed zinc transporter involved in sequestration of zinc into the Golgi apparatus and vesicular compartments. znt7-knockout (KO) mice are mildly zinc-deficient and lean. Despite their lean phenotype, adult male znt7-KO mice are prone to insulin resistance. We hypothesized that fat partitioning from adipose to nonadipose tissues causes insulin resistance in znt7-KO mice. Here, we used biological and biochemical methods, including fatty acid and oxylipin profiling, EM, immunohistochemistry, quantitative RT-PCR, and Western blot analysis, to identify the underlying mechanism of insulin resistance in znt7-KO mice. We found that insulin resistance in this model was primarily associated with increased intracellular fatty acid levels in the skeletal muscle, which promoted intracellular lipid accumulation and production of bioactive lipid mediators, such as 12,13-dihydroxyoctadecanoic acid (12,13-DiHOME) and 12-hydroxyeicosatetraenoic acid (12-HETE). The expression of fatty acid-binding protein 3 (Fabp3) was dramatically up-regulated in the znt7-KO muscle cells accompanied by increased expression of Cd36, Slc27a1, and Slc27a4, the three major fatty acid transporters in the skeletal muscle. We also demonstrated that znt7-KO muscle cells had increased fatty acid oxidative capacity, indicated by enlarged mitochondria and increased mRNA or protein expression of key enzymes involved in the fatty acid mitochondrial shuttle and β-oxidation. We conclude that increased fatty acid uptake in the znt7-KO skeletal muscle is a key factor that contributes to the excessive intracellular lipid deposit and elevated production of bioactive lipid mediators. These mediators may play pivotal roles in oxidative stress and inflammation, leading to insulin resistance.
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Affiliation(s)
- Liping Huang
- From the Obesity and Metabolism Research Unit, United States Department of Agriculture/Agricultural Research Service/Western Human Nutrition Research Center, Davis, California 95616, .,Department of Nutrition and.,Integrative Genetics and Genomics Graduate Group, University of California, Davis, California 95616, and
| | - Surapun Tepaamorndech
- Integrative Genetics and Genomics Graduate Group, University of California, Davis, California 95616, and.,Food Biotechnology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phahonyothin Road, Pathum Thani 12120, Thailand
| | - Catherine P Kirschke
- From the Obesity and Metabolism Research Unit, United States Department of Agriculture/Agricultural Research Service/Western Human Nutrition Research Center, Davis, California 95616
| | - John W Newman
- From the Obesity and Metabolism Research Unit, United States Department of Agriculture/Agricultural Research Service/Western Human Nutrition Research Center, Davis, California 95616.,Department of Nutrition and
| | - William R Keyes
- From the Obesity and Metabolism Research Unit, United States Department of Agriculture/Agricultural Research Service/Western Human Nutrition Research Center, Davis, California 95616
| | - Theresa L Pedersen
- From the Obesity and Metabolism Research Unit, United States Department of Agriculture/Agricultural Research Service/Western Human Nutrition Research Center, Davis, California 95616
| | - Jureeporn Dumnil
- Food Biotechnology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phahonyothin Road, Pathum Thani 12120, Thailand
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49
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Murray J, Whitson RH, Itakura K. Reduced prostaglandin I 2 signaling in Arid5b -/- primary skeletal muscle cells attenuates myogenesis. FASEB J 2018; 32:1868-1879. [PMID: 29196500 PMCID: PMC5893174 DOI: 10.1096/fj.201700453rr] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The AT-rich interaction domain (ARID) family of proteins regulates gene expression, development, and differentiation. Although Arid5b has important functions in adipogenesis and chondrogenesis, the role of Arid5b in skeletal muscle myogenesis has not been investigated. Therefore, we isolated primary skeletal muscle cells from Arid5b+/+ and Arid5b−/− mice and characterized differentiation in these cells. We found that Arid5b−/− primary skeletal muscle cells showed differentiation defects and impaired sarcomeric assembly. Microarray analysis revealed down-regulation of the prostanoid biosynthesis pathway in Arid5b−/− myoblasts, including the genes encoding cyclooxygenase (COX)-1 (Ptgs1) and prostaglandin (PG)I synthase (Ptgis). Down-regulation of COX-1 and PGI synthase was confirmed by real-time PCR and Western blot analyses. Correspondingly, the production of PGI2, as measured by ELISA, was reduced in Arid5b−/− cells relative to Arid5b+/+ cells. Boyden chamber assays showed that migration was increased but chemotaxis was impaired in Arid5b−/− cells. Myoblast fusion was also inhibited in Arid5b−/− cells compared with Arid5b+/+ cells. Treatment with the PGI2 analog iloprost rescued the defects in myotube formation, migration, and fusion. These results demonstrate that Arid5b has a novel and essential role in skeletal muscle differentiation by regulating PGI2 production.—Murray, J., Whitson, R. H., Itakura, K. Reduced prostaglandin I2 signaling in Arid5b−/− primary skeletal muscle cells attenuates myogenesis.
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Affiliation(s)
- Jennifer Murray
- Department of Molecular and Cellular Biology, Beckman Research Institute, City of Hope, Duarte, California, USA
| | - Robert H Whitson
- Department of Molecular and Cellular Biology, Beckman Research Institute, City of Hope, Duarte, California, USA
| | - Keiichi Itakura
- Department of Molecular and Cellular Biology, Beckman Research Institute, City of Hope, Duarte, California, USA
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50
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Markworth JF, Mitchell CJ, D'Souza RF, Aasen KMM, Durainayagam BR, Mitchell SM, Chan AHC, Sinclair AJ, Garg M, Cameron-Smith D. Arachidonic acid supplementation modulates blood and skeletal muscle lipid profile with no effect on basal inflammation in resistance exercise trained men. Prostaglandins Leukot Essent Fatty Acids 2018; 128:74-86. [PMID: 29413364 DOI: 10.1016/j.plefa.2017.12.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 11/02/2017] [Accepted: 12/07/2017] [Indexed: 12/12/2022]
Abstract
Arachidonic acid (ARA), an omega-6 polyunsaturated fatty acid (PUFA), is the metabolic precursor to the eicosanoid family of lipid mediators. Eicosanoids have potent pro-inflammatory actions, but also act as important autocrine/paracrine signaling molecules in skeletal muscle growth and development. Whether dietary ARA is incorporated into skeletal muscle phospholipids and the resulting impact on intramuscular inflammatory and adaptive processes in-vivo is not known. In the current study, resistance trained men (≥1 year) received dietary supplementation with 1.5g/day ARA (n=9, 24 ± 1.5 years) or placebo (n=10, 26 ± 1.3 years) for 4-weeks while continuing their normal training regimen. Plasma and vastus lateralis muscle biopsies were collected in an overnight fasted state at baseline and week 4. ARA supplementation increased plasma content of ARA and gamma-linolenic acid, while decreasing relative abundance of linoleic acid, eicosapentaenoic acid, and dihomo-gamma-linolenic acid. In skeletal muscle, ARA and dihomo-gamma-linolenic acid content increased, whereas alpha-linolenic-acid was reduced. Compared to placebo, ARA supplementation reduced circulating platelet and monocyte number, and decreased the mRNA expression of the immune cell surface markers; neutrophil elastase/CD66b and interleukin 1-beta, in peripheral blood mononuclear cells. In muscle, ARA supplementation increased mRNA expression of the myogenic regulatory factors; MyoD and myogenin, but had no effect on a range of immune cell markers or inflammatory cytokines. These data show that dietary ARA supplementation can rapidly and safely modulate plasma and muscle fatty acid profile and promote myogenic gene expression in resistance trained men, without a risk of increasing basal systemic or intramuscular inflammation.
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Affiliation(s)
| | | | | | | | | | | | - Alex H C Chan
- Liggins Institute, University of Auckland, New Zealand
| | | | - Manohar Garg
- Nutraceuticals Research Program, School of Biomedical Sciences & Pharmacy, University of Newcastle, Australia
| | - David Cameron-Smith
- Liggins Institute, University of Auckland, New Zealand; Food & Bio-based Products Group, AgResearch, Palmerston North, New Zealand; Riddet Institute, Palmerston North, New Zealand.
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