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Yang Q, Su S, Luo N, Cao G. Adenine-induced animal model of chronic kidney disease: current applications and future perspectives. Ren Fail 2024; 46:2336128. [PMID: 38575340 PMCID: PMC10997364 DOI: 10.1080/0886022x.2024.2336128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024] Open
Abstract
Chronic kidney disease (CKD) with high morbidity and mortality all over the world is characterized by decreased kidney function, a condition which can result from numerous risk factors, including diabetes, hypertension and obesity. Despite significant advances in our understanding of the pathogenesis of CKD, there are still no treatments that can effectively combat CKD, which underscores the urgent need for further study into the pathological mechanisms underlying this condition. In this regard, animal models of CKD are indispensable. This article reviews a widely used animal model of CKD, which is induced by adenine. While a physiologic dose of adenine is beneficial in terms of biological activity, a high dose of adenine is known to induce renal disease in the organism. Following a brief description of the procedure for disease induction by adenine, major mechanisms of adenine-induced CKD are then reviewed, including inflammation, oxidative stress, programmed cell death, metabolic disorders, and fibrillation. Finally, the application and future perspective of this adenine-induced CKD model as a platform for testing the efficacy of a variety of therapeutic approaches is also discussed. Given the simplicity and reproducibility of this animal model, it remains a valuable tool for studying the pathological mechanisms of CKD and identifying therapeutic targets to fight CKD.
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Affiliation(s)
- Qiao Yang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Songya Su
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Nan Luo
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Gang Cao
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
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2
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Qin J, Chen Y, Zhao X, Yu J. circCUL3 drives malignant progression of cervical cancer by activating autophagy through sponge miR-223-3p upregulation of ATG7. Gene 2024; 925:148572. [PMID: 38759738 DOI: 10.1016/j.gene.2024.148572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 05/03/2024] [Accepted: 05/14/2024] [Indexed: 05/19/2024]
Abstract
Circular RNA (circRNA) has emerged as a pivotal regulatory factor in cancer biology, yet its exact role in cervical cancer remains incompletely understood. In this study, we investigated the functional role of circCUL3 in cervical cancer and explored its potential as a therapeutic target. Functional gain and loss experiments were conducted in Hela and Siha cell lines to elucidate the biological functions of circCUL3 in cervical cancer. The results revealed that circCUL3 overexpression significantly enhanced cell viability, migration, and invasion while suppressing apoptosis, while circCUL3 knockout displayed the opposite effects. Mechanistically, we identified hsa-miR-223-3p as a target of circCUL3, with its expression being negatively regulated by circCUL3. Furthermore, we discovered that circCUL3 could sequester miR-223-3p, leading to the upregulation of ATG7 expression, and this was linked to the regulation of autophagy in cervical cancer cells. In vivo validation using a xenograft mouse model further supported our in vitro findings. Notably, we found that chloroquine (CQ), an autophagy inhibitor, restored miR-223-3p expression and counteracted the oncogenic effect of circCUL3 overexpression. In conclusion, circCUL3 potentially contributes to the malignant progression of cervical cancer by acting as a sponge for miR-223-3p, resulting in the upregulation of ATG7 and the activation of autophagy.
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Affiliation(s)
- Jiahui Qin
- Department of Gynecology, Hangzhou Third People's Hospital, Hangzhou, Zhejiang, China.
| | - Yan Chen
- Department of Gynecology, Hangzhou Third People's Hospital, Hangzhou, Zhejiang, China
| | - Xia Zhao
- Department of Gynecology, Hangzhou Third People's Hospital, Hangzhou, Zhejiang, China
| | - Jingmin Yu
- Department of Gynecology, Hangzhou Third People's Hospital, Hangzhou, Zhejiang, China
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3
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Guo YY, Liang NN, Zhang XY, Ren YH, Wu WZ, Liu ZB, He YZ, Zhang YH, Huang YC, Zhang T, Xu DX, Xu S. Mitochondrial GPX4 acetylation is involved in cadmium-induced renal cell ferroptosis. Redox Biol 2024; 73:103179. [PMID: 38733909 PMCID: PMC11103486 DOI: 10.1016/j.redox.2024.103179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 05/01/2024] [Indexed: 05/13/2024] Open
Abstract
Increasing evidences demonstrate that environmental stressors are important inducers of acute kidney injury (AKI). This study aimed to investigate the impact of exposure to Cd, an environmental stressor, on renal cell ferroptosis. Transcriptomics analyses showed that arachidonic acid (ARA) metabolic pathway was disrupted in Cd-exposed mouse kidneys. Targeted metabolomics showed that renal oxidized ARA metabolites were increased in Cd-exposed mice. Renal 4-HNE, MDA, and ACSL4, were upregulated in Cd-exposed mouse kidneys. Consistent with animal experiments, the in vitro experiments showed that mitochondrial oxidized lipids were elevated in Cd-exposed HK-2 cells. Ultrastructure showed mitochondrial membrane rupture in Cd-exposed mouse kidneys. Mitochondrial cristae were accordingly reduced in Cd-exposed mouse kidneys. Mitochondrial SIRT3, an NAD+-dependent deacetylase that regulates mitochondrial protein stability, was reduced in Cd-exposed mouse kidneys. Subsequently, mitochondrial GPX4 acetylation was elevated and mitochondrial GPX4 protein was reduced in Cd-exposed mouse kidneys. Interestingly, Cd-induced mitochondrial GPX4 acetylation and renal cell ferroptosis were exacerbated in Sirt3-/- mice. Conversely, Cd-induced mitochondrial oxidized lipids were attenuated in nicotinamide mononucleotide (NMN)-pretreated HK-2 cells. Moreover, Cd-evoked mitochondrial GPX4 acetylation and renal cell ferroptosis were alleviated in NMN-pretreated mouse kidneys. These results suggest that mitochondrial GPX4 acetylation, probably caused by SIRT3 downregulation, is involved in Cd-evoked renal cell ferroptosis.
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Affiliation(s)
- Yue-Yue Guo
- Department of Toxicology, Anhui Medical University, Hefei, 230032, China
| | - Nan-Nan Liang
- Department of Toxicology, Anhui Medical University, Hefei, 230032, China
| | - Xiao-Yi Zhang
- Department of Toxicology, Anhui Medical University, Hefei, 230032, China
| | - Ya-Hui Ren
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Wen-Zheng Wu
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Zhi-Bing Liu
- Department of Blood Transfusion, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Yi-Zhang He
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Yi-Hao Zhang
- Department of Toxicology, Anhui Medical University, Hefei, 230032, China
| | - Yi-Chao Huang
- Department of Toxicology, Anhui Medical University, Hefei, 230032, China
| | - Tao Zhang
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - De-Xiang Xu
- Department of Toxicology, Anhui Medical University, Hefei, 230032, China.
| | - Shen Xu
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China.
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4
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Ge WD, Du TT, Wang CY, Sun LN, Wang YQ. Calcium signaling crosstalk between the endoplasmic reticulum and mitochondria, a new drug development strategies of kidney diseases. Biochem Pharmacol 2024; 225:116278. [PMID: 38740223 DOI: 10.1016/j.bcp.2024.116278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 04/25/2024] [Accepted: 05/10/2024] [Indexed: 05/16/2024]
Abstract
Calcium (Ca2+) acts as a second messenger and constitutes a complex and large information exchange system between the endoplasmic reticulum (ER) and mitochondria; this process is involved in various life activities, such as energy metabolism, cell proliferation and apoptosis. Increasing evidence has suggested that alterations in Ca2+ crosstalk between the ER and mitochondria, including alterations in ER and mitochondrial Ca2+ channels and related Ca2+ regulatory proteins, such as sarco/endoplasmic reticulum Ca2+-ATPase (SERCA), inositol 1,4,5-trisphosphate receptor (IP3R), and calnexin (CNX), are closely associated with the development of kidney disease. Therapies targeting intracellular Ca2+ signaling have emerged as an emerging field in the treatment of renal diseases. In this review, we focused on recent advances in Ca2+ signaling, ER and mitochondrial Ca2+ monitoring methods and Ca2+ homeostasis in the development of renal diseases and sought to identify new targets and insights for the treatment of renal diseases by targeting Ca2+ channels or related Ca2+ regulatory proteins.
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Affiliation(s)
- Wen-Di Ge
- Research Division of Clinical Pharmacology, the First Affiliated Hospital of Nanjing Medical University & Jiangsu Province Hospital, Nanjing, China; Department of Pharmacy, Nanjing Medical University, Nanjing, China
| | - Tian-Tian Du
- Research Division of Clinical Pharmacology, the First Affiliated Hospital of Nanjing Medical University & Jiangsu Province Hospital, Nanjing, China; Department of Pharmacy, Nanjing Medical University, Nanjing, China
| | - Cao-Yang Wang
- Research Division of Clinical Pharmacology, the First Affiliated Hospital of Nanjing Medical University & Jiangsu Province Hospital, Nanjing, China; Department of Pharmacy, Nanjing Medical University, Nanjing, China
| | - Lu-Ning Sun
- Research Division of Clinical Pharmacology, the First Affiliated Hospital of Nanjing Medical University & Jiangsu Province Hospital, Nanjing, China; Department of Pharmacy, Nanjing Medical University, Nanjing, China.
| | - Yong-Qing Wang
- Research Division of Clinical Pharmacology, the First Affiliated Hospital of Nanjing Medical University & Jiangsu Province Hospital, Nanjing, China; Department of Pharmacy, Nanjing Medical University, Nanjing, China.
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Zhang J, Che T, Wang L, Sun W, Zhao J, Chen J, Liu Y, Pu Q, Zhang Y, Li J, Li Z, Zhu Z, Fu Q, Wang X, Yuan J. Proteomics coupled transcriptomics reveals Slc34a1 and Slc34a3 downregulation as potential features of nephrotoxin-induced acute kidney injury. J Proteomics 2024; 302:105203. [PMID: 38782357 DOI: 10.1016/j.jprot.2024.105203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 05/11/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024]
Abstract
Acute kidney injury (AKI) stands as a prevalent and economically burdensome condition worldwide, yet its complex molecular mechanisms remain incompletely understood. To address this gap, our study employs a multifaceted approach, combining mass spectrometry and RNA sequencing technologies, to elucidate the intricate molecular landscape underlying nephrotoxin-induced AKI in mice by cisplatin- and LPS-induced. By examining the protein and RNA expression profiles, we aimed to uncover novel insights into the pathogenesis of AKI and identify potential diagnostic and therapeutic targets. Our results demonstrate significant down-regulation of Slc34a1 and Slc34a3, shedding light on their crucial roles in AKI pathology and highlighting their promise as actionable targets for diagnosis and treatment. This comprehensive analysis not only enhances our understanding of AKI pathophysiology but also offers valuable avenues for the development of targeted interventions to mitigate its clinical impact. SIGNIFICANCE: Nephrotoxicity acute kidney injury (AKI) is a common clinical condition whose pathogenesis is the process by which some drugs, chemicals or other factors cause damage to the kidneys, resulting in impaired kidney function. Although it has been proved that different nephrotoxic substances can affect the kidney through different pathways, whether they have a commonality has not been registered. Here, we combined transcriptomics and proteomics to study the molecular mechanism of LPS and cisplatin-induced nephrotoxic acute kidney injury finding that the down-regulation of Slc34a1 and Slc34a3 may be a critical link in nephrotoxic acute kidney injury, which can be used as a marker for its early diagnosis.
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Affiliation(s)
- Junying Zhang
- Chongqing Key Laboratory of High Active Traditional Chinese Drug Delivery System, Chongqing Engineering Research Center of Pharmaceutical Sciences, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China; College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Tiantian Che
- Chongqing Nanan District Center for Diseases Control and Prevention, Chongqing 401336, China
| | - Liting Wang
- Biomedical Analysis Center, Army Medical University, Chongqing 400038, China
| | - Wei Sun
- Biomedical Analysis Center, Army Medical University, Chongqing 400038, China
| | - Jing Zhao
- Biomedical Analysis Center, Army Medical University, Chongqing 400038, China
| | - Jiajia Chen
- Biomedical Analysis Center, Army Medical University, Chongqing 400038, China
| | - Yang Liu
- Biomedical Analysis Center, Army Medical University, Chongqing 400038, China
| | - Qi Pu
- Biomedical Analysis Center, Army Medical University, Chongqing 400038, China
| | - Yu Zhang
- Biomedical Analysis Center, Army Medical University, Chongqing 400038, China
| | - Jiani Li
- Hepato-Pancreato-Biliary Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China
| | - Zhangfu Li
- Hepato-Pancreato-Biliary Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China; Hepato-Pancreato-Biliary Surgery, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Guangdong province, Shenzhen 518036, China
| | - Zhaojing Zhu
- Chongqing Key Laboratory of High Active Traditional Chinese Drug Delivery System, Chongqing Engineering Research Center of Pharmaceutical Sciences, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China.
| | - Qihuan Fu
- Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing 400030, China.
| | - Xiaoyang Wang
- Biomedical Analysis Center, Army Medical University, Chongqing 400038, China..
| | - Jiangbei Yuan
- Hepato-Pancreato-Biliary Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China; Hepato-Pancreato-Biliary Surgery, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Guangdong province, Shenzhen 518036, China.; Center for General Practice Medicine, Department of Infectious Diseases, Zhejiang Provincial People's Hospital(Affiliated People's Hospital), Hangzhou Medical College, Hangzhou 310014, Zhejiang, China; Department of Infectious Diseases, Affiliated Banan Hospital of Chongqing Medical University, Chongqing 400016, China.
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6
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Nian J, Lan W, Wang Z, Zhang X, Yao H, Zhang F. Exploring the metabolic implications of blue light exposure during daytime in rats. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 278:116436. [PMID: 38723383 DOI: 10.1016/j.ecoenv.2024.116436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 04/11/2024] [Accepted: 05/03/2024] [Indexed: 05/26/2024]
Abstract
Excessive exposure to light is a global issue. Artificial light pollution has been shown to disrupt the body's natural circadian rhythm. To investigate the impacts of light on metabolism, we studied Sprague-Dawley rats chronically exposed to red or blue light during daytime or nighttime. Rats in the experimental group were exposed to extended light for 4 hours during daytime or nighttime to simulate the effects of excessive light usage. Strikingly, we found systemic metabolic alterations only induced by blue light during daytime. Furthermore, we conducted metabolomic analyses of the cerebrospinal fluid, serum, heart, liver, spleen, adrenal, cerebellum, pituitary, prostate, spermatophore, hypothalamus and kidney from rats in the control and blue light exposure during daytime. Significant changes in metabolites have been observed in cerebrospinal fluid, serum, hypothalamus and kidney of rats exposed to blue light during daytime. Metabolic alterations observed in rats encompassing pyruvate metabolism, glutathione metabolism homocysteine degradation, phosphatidylethanolamine biosynthesis, and phospholipid biosynthesis, exhibit analogous patterns to those inherent in specific physiological processes, notably neurodevelopment, cellular injury, oxidative stress, and autophagic pathways. Our study provides insights into tissue-specific metabolic changes in rats exposed to blue light during the daytime and may help explain potential mechanisms of photopathogenesis.
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Affiliation(s)
- Jingjing Nian
- Key Laboratory of Gastrointestinal Cancer, Ministry of Education, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, PR China
| | - Wenning Lan
- Key Laboratory of Gastrointestinal Cancer, Ministry of Education, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, PR China
| | - Ziran Wang
- Key Laboratory of Gastrointestinal Cancer, Ministry of Education, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, PR China
| | - Xiaojing Zhang
- Key Laboratory of Gastrointestinal Cancer, Ministry of Education, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, PR China
| | - Hong Yao
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China
| | - Fangrong Zhang
- Key Laboratory of Gastrointestinal Cancer, Ministry of Education, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, PR China; Fujian Key Laboratory of Tumor Microbiology, Department of Medical Microbiology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, PR China.
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Koehler FC, Späth MR, Meyer AM, Müller RU. Fueling the success of transplantation through nutrition: recent insights into nutritional interventions, their interplay with gut microbiota and cellular mechanisms. Curr Opin Organ Transplant 2024:00075200-990000000-00128. [PMID: 38861189 DOI: 10.1097/mot.0000000000001159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
PURPOSE OF REVIEW The role of nutrition in organ health including solid organ transplantation is broadly accepted, but robust data on nutritional regimens remains scarce calling for further investigation of specific dietary approaches at the different stages of organ transplantation. This review gives an update on the latest insights into nutritional interventions highlighting the potential of specific dietary regimens prior to transplantation aiming for organ protection and the interplay between dietary intake and gut microbiota. RECENT FINDINGS Nutrition holds the potential to optimize patients' health prior to and after surgery, it may enhance patients' ability to cope with the procedure-associated stress and it may accelerate their recovery from surgery. Nutrition helps to reduce morbidity and mortality in addition to preserve graft function. In the case of living organ donation, dietary preconditioning strategies promise novel approaches to limit ischemic organ damage during transplantation and to identify the underlying molecular mechanisms of diet-induced organ protection. Functioning gut microbiota are required to limit systemic inflammation and to generate protective metabolites such as short-chain fatty acids or hydrogen sulfide. SUMMARY Nutritional intervention is a promising therapeutic concept including the pre- and rehabilitation stage in order to improve the recipients' outcome after solid organ transplantation.
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Affiliation(s)
- Felix C Koehler
- Department II of Internal Medicine and Center for Molecular Medicine Cologne
- CECAD Research Center, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Martin R Späth
- Department II of Internal Medicine and Center for Molecular Medicine Cologne
- CECAD Research Center, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Anna M Meyer
- Department II of Internal Medicine and Center for Molecular Medicine Cologne
| | - Roman-Ulrich Müller
- Department II of Internal Medicine and Center for Molecular Medicine Cologne
- CECAD Research Center, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
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Andriani L, Ling YX, Yang SY, Zhao Q, Ma XY, Huang MY, Zhang YL, Zhang FL, Li DQ, Shao ZM. Sideroflexin-1 promotes progression and sensitivity to lapatinib in triple-negative breast cancer by inhibiting TOLLIP-mediated autophagic degradation of CIP2A. Cancer Lett 2024; 597:217008. [PMID: 38849012 DOI: 10.1016/j.canlet.2024.217008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 05/15/2024] [Accepted: 05/30/2024] [Indexed: 06/09/2024]
Abstract
Triple-negative breast cancer (TNBC) is the most aggressive subtype of breast cancer and it lacks specific therapeutic targets and effective treatment protocols. By analyzing a proteomic TNBC dataset, we found significant upregulation of sideroflexin 1 (SFXN1) in tumor tissues. However, the precise function of SFXN1 in TNBC remains unclear. Immunoblotting was performed to determine SFXN1 expression levels. Label-free quantitative proteomics and liquid chromatography-tandem mass spectrometry were used to identify the downstream targets of SFXN1. Mechanistic studies of SFXN1 and cellular inhibitor of PP2A (CIP2A) were performed using immunoblotting, immunofluorescence staining, and reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Functional experiments were used to investigate the role of SFXN1 in TNBC cells. SFXN1 was significantly overexpressed in TNBC tumor tissues and was associated with unfavorable outcomes in patients with TNBC. Functional experiments demonstrated that SFXN1 promoted TNBC growth and metastasis in vitro and in vivo. Mechanistic studies revealed that SFXN1 promoted TNBC progression by inhibiting the autophagy receptor TOLLIP (toll interacting protein)-mediated autophagic degradation of CIP2A. The pro-tumorigenic effect of SFXN1 overexpression was partially prevented by lapatinib-mediated inhibition of the CIP2A/PP2A/p-AKT pathway. These findings may provide a new targeted therapy for patients with TNBC.
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Affiliation(s)
- Lisa Andriani
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Yun-Xiao Ling
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Shao-Ying Yang
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China; Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Qian Zhao
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Xiao-Yan Ma
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Min-Ying Huang
- Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, 200032, China; Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
| | - Yin-Ling Zhang
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China; Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Fang-Lin Zhang
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China; Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
| | - Da-Qiang Li
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China; Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
| | - Zhi-Ming Shao
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China; Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, 200032, China; Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China.
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9
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Deng L, Shi C, Li R, Zhang Y, Wang X, Cai G, Hong Q, Chen X. The mechanisms underlying Chinese medicines to treat inflammation in diabetic kidney disease. JOURNAL OF ETHNOPHARMACOLOGY 2024; 333:118424. [PMID: 38844252 DOI: 10.1016/j.jep.2024.118424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/03/2024] [Accepted: 06/03/2024] [Indexed: 06/15/2024]
Abstract
ETHNIC PHARMACOLOGICAL RELEVANCE Diabetic kidney disease (DKD) is the main cause of end-stage renal disease (ESRD), which is a public health problem with a significant economic burden. Serious adverse effects, such as hypotension, hyperkalemia, and genitourinary infections, as well as increasing adverse cardiovascular events, limit the clinical application of available drugs. Plenty of randomized controlled trials(RCTs), meta-analysis(MAs) and systematic reviews(SRs) have demonstrated that many therapies that have been used for a long time in medical practice including Chinese patent medicines(CPMs), Chinese medicine prescriptions, and extracts are effective in alleviating DKD, but the mechanisms by which they work are still unknown. Currently, targeting inflammation is a central strategy in DKD drug development. In addition, many experimental studies have identified many Chinese medicine prescriptions, medicinal herbs and extracts that have the potential to alleviate DKD. And part of the mechanisms by which they work have been uncovered. AIM OF THIS REVIEW This review aims to summarize therapies that have been proven effective by RCTs, MAs and SRs, including CPMs, Chinese medicine prescriptions, and extracts. This review also focuses on the efficiency and potential targets of Chinese medicine prescriptions, medicinal herbs and extracts discovered in experimental studies in improving immune inflammation in DKD. METHODS We searched for relevant scientific articles in the following databases: PubMed, Google Scholar, and Web of Science. We summarized effective CPMs, Chinese medicine prescriptions, and extracts from RCTs, MAs and SRs. We elaborated the signaling pathways and molecular mechanisms by which Chinese medicine prescriptions, medicinal herbs and extracts alleviate inflammation in DKD according to different experimental studies. RESULTS After overviewing plenty of RCTs with the low hierarchy of evidence and MAs and SRs with strong heterogeneity, we still found that CPMs, Chinese medicine prescriptions, and extracts exerted promising protective effects against DKD. However, there is insufficient evidence to prove the safety of Chinese medicines. As for experimental studies, Experiments in vitro and in vivo jointly demonstrated the efficacy of Chinese medicines(Chinese medicine prescriptions, medicinal herbs and extracts) in DKD treatment. Chinese medicines were able to regulate signaling pathways to improve inflammation in DKD, such as toll-like receptors, NLRP3 inflammasome, Nrf2 signaling pathway, AMPK signaling pathway, MAPK signaling pathway, JAK-STAT, and AGE/RAGE. CONCLUSION Chinese medicines (Chinese medicine prescriptions, medicinal herbs and extracts) can improve inflammation in DKD. For drugs that are effective in RCTs, the underlying bioactive components or extracts should be identified and isolated. Attention should be given to their safety and pharmacokinetics. Acute, subacute, and subchronic toxicity studies should be designed to determine the magnitude and tolerability of side effects in humans or animals. For drugs that have been proven effective in experimental studies, RCTs should be designed to provide reliable evidence for clinical translation. In a word, Chinese medicines targeting immune inflammation in DKD are a promising direction.
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Affiliation(s)
- Lingchen Deng
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, P.R. China; Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Chunru Shi
- The College of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Run Li
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, P.R. China; Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Yifan Zhang
- Medical School of Chinese PLA, Beijing, 100853, China; Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Xiaochen Wang
- Medical School of Chinese PLA, Beijing, 100853, China; Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Guangyan Cai
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China
| | - Quan Hong
- Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China.
| | - Xiangmei Chen
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, P.R. China; Department of Nephrology, First Medical Center of Chinese PLA General Hospital, National Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, Beijing Key Laboratory of Kidney Diseases Research, Beijing, 100853, China.
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10
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Liu Y, Mou L, Yi Z, Lin Q, Banu K, Wei C, Yu X. Integrative informatics analysis identifies that ginsenoside Re improves renal fibrosis through regulation of autophagy. J Nat Med 2024; 78:722-731. [PMID: 38683298 DOI: 10.1007/s11418-024-01800-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 03/01/2024] [Indexed: 05/01/2024]
Abstract
We previously demonstrated that ginsenoside Re (G-Re) has protective effects on acute kidney injury. However, the underlying mechanism is still unclear. In this study, we conducted a meta-analysis and pathway enrichment analysis of all published transcriptome data to identify differentially expressed genes (DEGs) and pathways of G-Re treatment. We then performed in vitro studies to measure the identified autophagy and fibrosis markers in HK2 cells. In vivo studies were conducted using ureteric obstruction (UUO) and aristolochic acid nephropathy (AAN) models to evaluate the effects of G-Re on autophagy and kidney fibrosis. Our informatics analysis identified autophagy-related pathways enriched for G-Re treatment. Treatment with G-Re in HK2 cells reduced autophagy and mRNA levels of profibrosis markers with TGF-β stimulation. In addition, induction of autophagy with PP242 neutralized the anti-fibrotic effects of G-Re. In murine models with UUO and AAN, treatment with G-Re significantly improved renal function and reduced the upregulation of autophagy and profibrotic markers. A combination of informatics analysis and biological experiments confirmed that ginsenoside Re could improve renal fibrosis and kidney function through the regulation of autophagy. These findings provide important insights into the mechanisms of G-Re's protective effects in kidney injuries.
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Affiliation(s)
- Yingying Liu
- Department of Nephrology, China-Japan Union Hospital of Jilin University, Changchun, China
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Lingyun Mou
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Institute of Biochemistry and Molecular Biology, School of Life Science, Lanzhou University, Lanzhou, China
| | - Zhengzi Yi
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Qisheng Lin
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Khadija Banu
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Chengguo Wei
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Xiaoxia Yu
- Division of Nephrology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Division of Nephrology, Affiliated Zhongshan Hospital of Dalian University, Dalian, China.
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11
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Yang Y, Lin Q, Zhu X, Shao X, Li S, Li J, Wu J, Jin H, Qi C, Jiang N, Zhang K, Wang Q, Gu L, Ni Z. Activation of lipophagy is required for RAB7 to regulate ferroptosis in sepsis-induced acute kidney injury. Free Radic Biol Med 2024; 218:120-131. [PMID: 38583680 DOI: 10.1016/j.freeradbiomed.2024.04.213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/02/2024] [Accepted: 04/04/2024] [Indexed: 04/09/2024]
Abstract
Sepsis-induced acute kidney injury (S-AKI) is the most common type of acute kidney injury (AKI), accompanied by elevated morbidity and mortality rates. This study investigated the mechanism by which lipid droplets (LDs) degraded via autophagy (lipophagy)required for RAB7 regulated ferroptosis in the pathogenesis of S-AKI. Here, we constructed the S-AKI model in vitro and in vivo to elucidate the potential relationship of lipophagy and ferroptosis, and we first confirmed that the activation of lipophagy promoted renal tubular epithelial cell ferroptosis and renal damage in S-AKI. The results showed that lipopolysaccharide (LPS) induced a marked increase in lipid peroxidation and ferroptosis, which were rescued by ferrstain-1 (Fer-1), an inhibitor of ferroptosis. In addition, LPS induced the remarkable activation of RAB7-mediated lipophagy. Importantly, silencing RAB7 alleviated LPS-induced lipid peroxidation and ferroptosis. Thus, the present study demonstrated the potential significant role of ferroptosis and lipophagy in sepsis-induced AKI, and contributed to better understanding of the pathogenesis and treatment targets of AKI.
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Affiliation(s)
- Yuanting Yang
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Qisheng Lin
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Xuying Zhu
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Xinghua Shao
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Shu Li
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Jialin Li
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Jingkui Wu
- Department of Nephrology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201200, China
| | - Haijiao Jin
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Chaojun Qi
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Na Jiang
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Kaiqi Zhang
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Qin Wang
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Leyi Gu
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Zhaohui Ni
- Department of Nephrology, Molecular Cell Lab for Kidney Disease, Shanghai Peritoneal Dialysis Research Center, Ren Ji Hospital, Uremia Diagnosis and Treatment Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China.
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12
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Coulter AM, Cortés V, Theodore CJ, Cianciolo RE, Korstanje R, Campellone KG. WHAMM functions in kidney reabsorption and polymerizes actin to promote autophagosomal membrane closure and cargo sequestration. Mol Biol Cell 2024; 35:ar80. [PMID: 38598293 DOI: 10.1091/mbc.e24-01-0025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2024] Open
Abstract
The actin cytoskeleton is essential for many functions of eukaryotic cells, but the factors that nucleate actin assembly are not well understood at the organismal level or in the context of disease. To explore the function of the actin nucleation factor WHAMM in mice, we examined how Whamm inactivation impacts kidney physiology and cellular proteostasis. We show that male WHAMM knockout mice excrete elevated levels of albumin, glucose, phosphate, and amino acids, and display structural abnormalities of the kidney proximal tubule, suggesting that WHAMM activity is important for nutrient reabsorption. In kidney tissue, the loss of WHAMM results in the accumulation of the lipidated autophagosomal membrane protein LC3, indicating an alteration in autophagy. In mouse fibroblasts and human proximal tubule cells, WHAMM and its binding partner the Arp2/3 complex control autophagic membrane closure and cargo receptor recruitment. These results reveal a role for WHAMM-mediated actin assembly in maintaining kidney function and promoting proper autophagosome membrane remodeling.
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Affiliation(s)
- Alyssa M Coulter
- Department of Molecular & Cell Biology, Institute for Systems Genomics, University of Connecticut, Storrs, CT 06269
| | | | - Corey J Theodore
- Department of Molecular & Cell Biology, Institute for Systems Genomics, University of Connecticut, Storrs, CT 06269
| | | | | | - Kenneth G Campellone
- Department of Molecular & Cell Biology, Institute for Systems Genomics, University of Connecticut, Storrs, CT 06269
- Center on Aging, UConn Health, Farmington, CT 06030
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13
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Liu X, Zhou Y, Zhang Y, Cui X, Yang D, Li Y. Octreotide attenuates intestinal barrier damage by maintaining basal autophagy in Caco2 cells. Mol Med Rep 2024; 29:90. [PMID: 38577927 PMCID: PMC11019401 DOI: 10.3892/mmr.2024.13214] [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: 09/20/2023] [Accepted: 03/12/2024] [Indexed: 04/06/2024] Open
Abstract
The intestinal mucosal barrier is of great importance for maintaining the stability of the internal environment, which is closely related to the occurrence and development of intestinal inflammation. Octreotide (OCT) has potential applicable clinical value for treating intestinal injury according to previous studies, but the underlying molecular mechanisms have remained elusive. This article is based on a cell model of inflammation induced by lipopolysaccharide (LPS), aiming to explore the effects of OCT in protecting intestinal mucosal barrier function. A Cell Counting Kit‑8 assay was used to determine cell viability and evaluate the effectiveness of OCT. Gene silencing technology was used to reveal the mediated effect of somatostatin receptor 2 (SSTR2). The changes in intestinal permeability were detected through trans‑epithelial electrical resistance and fluorescein isothiocyanate‑dextran 4 experiments, and the alterations in tight junction proteins were detected using immunoblotting and reverse transcription fluorescence‑quantitative PCR technology. Autophagosomes were observed by electron microscopy and the dynamic changes of the autophagy process were characterized by light chain (LC)3‑II/LC3‑I conversion and autophagic flow. The results indicated that SSTR2‑dependent OCT can prevent the decrease in cell activity. After LPS treatment, the permeability of monolayer cells decreased and intercellular tight junctions were disrupted, resulting in a decrease in tight junction protein zona occludens 1 in cells. The level of autophagy‑related protein LC3 was altered to varying degrees at different times. These abnormal changes gradually returned to normal levels after the combined application of LPS and SSTR2‑dependent OCT, confirming the role of OCT in protecting intestinal barrier function. These experimental results suggest that OCT maintains basal autophagy and cell activity mediated by SSTR2 in intestinal epithelial cells, thereby preventing the intestinal barrier dysfunction in inflammation injury.
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Affiliation(s)
- Xiaoli Liu
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, Shandong 264003, P.R. China
| | - Yan Zhou
- Department of Gastrointestinal Surgery, Yantai Mountain Hospital, Yantai, Shandong 264003, P.R. China
| | - Yu Zhang
- Department of Gastrointestinal Surgery, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, Shandong 264003, P.R. China
| | - Xigang Cui
- Department of Gastrointestinal and Thyroid Surgery, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong 264000, P.R. China
| | - Donglin Yang
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, Shandong 264003, P.R. China
| | - Yuling Li
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, Shandong 264003, P.R. China
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14
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Malheiro LFL, Fernandes MM, Oliveira CA, Barcelos IDS, Fernandes AJV, Silva BS, Ávila JS, Soares TDJ, Amaral LSDB. Renoprotective mechanisms of exercise training against acute and chronic renal diseases - A perspective based on experimental studies. Life Sci 2024; 346:122628. [PMID: 38614303 DOI: 10.1016/j.lfs.2024.122628] [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: 11/23/2023] [Revised: 03/22/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024]
Abstract
Regular exercise training can lead to several health benefits, reduce mortality risk, and increase life expectancy. On the other hand, a sedentary lifestyle is a known risk factor for chronic diseases and increased mortality. Acute kidney injury (AKI) and chronic kidney disease (CKD) represent a significant global health problem, affecting millions of people worldwide. The progression from AKI to CKD is well-recognized in the literature, and exercise training has emerged as a potential renoprotective strategy. Thus, this article aims to review the main molecular mechanisms underlying the renoprotective actions of exercise training in the context of AKI and CKD, focusing on its antioxidative, anti-inflammatory, anti-apoptotic, anti-fibrotic, and autophagy regulatory effects. For that, bibliographical research was carried out in Medline/PubMed and Scielo databases. Although the pathophysiological mechanisms involved in renal diseases are not fully understood, experimental studies demonstrate that oxidative stress, inflammation, apoptosis, and dysregulation of fibrotic and autophagic processes play central roles in the development of tissue damage. Increasing evidence has suggested that exercise can beneficially modulate these mechanisms, potentially becoming a safe and effective non-pharmacological strategy for kidney health protection and promotion. Thus, the evidence base discussed in this review suggests that an adequate training program emerges as a valuable tool for preserving renal function in experimental animals, mainly through the production of antioxidant enzymes, nitric oxide (NO), irisin, IL-10, and IL-11. Future research can continue to explore these mechanisms to develop specific guidelines for the prescription of exercise training in different populations of patients with kidney diseases.
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Affiliation(s)
- Lara Fabiana Luz Malheiro
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista, Bahia 45029-094, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Brazil
| | - Mariana Masimessi Fernandes
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista, Bahia 45029-094, Brazil
| | - Caroline Assunção Oliveira
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista, Bahia 45029-094, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Brazil
| | - Isadora de Souza Barcelos
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista, Bahia 45029-094, Brazil
| | - Ana Jullie Veiga Fernandes
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista, Bahia 45029-094, Brazil
| | - Bruna Santos Silva
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista, Bahia 45029-094, Brazil
| | - Júlia Spínola Ávila
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista, Bahia 45029-094, Brazil
| | - Telma de Jesus Soares
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista, Bahia 45029-094, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Brazil; Programa de Pós-Graduação em Biociências, Brazil
| | - Liliany Souza de Brito Amaral
- Instituto Multidisciplinar em Saúde, Universidade Federal da Bahia, Vitória da Conquista, Bahia 45029-094, Brazil; Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Brazil; Programa de Pós-Graduação em Biociências, Brazil.
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15
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Njeim R, Merscher S, Fornoni A. Mechanisms and implications of podocyte autophagy in chronic kidney disease. Am J Physiol Renal Physiol 2024; 326:F877-F893. [PMID: 38601984 DOI: 10.1152/ajprenal.00415.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/27/2024] [Accepted: 03/27/2024] [Indexed: 04/12/2024] Open
Abstract
Autophagy is a protective mechanism through which cells degrade and recycle proteins and organelles to maintain cellular homeostasis and integrity. An accumulating body of evidence underscores the significant impact of dysregulated autophagy on podocyte injury in chronic kidney disease (CKD). In this review, we provide a comprehensive overview of the diverse types of autophagy and their regulation in cellular homeostasis, with a specific emphasis on podocytes. Furthermore, we discuss recent findings that focus on the functional role of different types of autophagy during podocyte injury in chronic kidney disease. The intricate interplay between different types of autophagy and podocyte health requires further research, which is critical for understanding the pathogenesis of CKD and developing targeted therapeutic interventions.
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Affiliation(s)
- Rachel Njeim
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, United States
- Peggy and Harold Katz Family Drug Discovery Center, University of Miami Miller School of Medicine, Miami, Florida, United States
| | - Sandra Merscher
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, United States
- Peggy and Harold Katz Family Drug Discovery Center, University of Miami Miller School of Medicine, Miami, Florida, United States
| | - Alessia Fornoni
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, United States
- Peggy and Harold Katz Family Drug Discovery Center, University of Miami Miller School of Medicine, Miami, Florida, United States
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16
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Cybulsky AV, Papillon J, Guillemette J, Navarro-Betancourt JR, Chung CF, Iwawaki T, Fantus IG. Deletion of IRE1α in podocytes exacerbates diabetic nephropathy in mice. Sci Rep 2024; 14:11718. [PMID: 38778209 PMCID: PMC11111796 DOI: 10.1038/s41598-024-62599-7] [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: 02/19/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024] Open
Abstract
Protein misfolding in the endoplasmic reticulum (ER) of podocytes contributes to the pathogenesis of glomerular diseases. Protein misfolding activates the unfolded protein response (UPR), a compensatory signaling network. We address the role of the UPR and the UPR transducer, inositol-requiring enzyme 1α (IRE1α), in streptozotocin-induced diabetic nephropathy in mice. Diabetes caused progressive albuminuria in control mice that was exacerbated in podocyte-specific IRE1α knockout (KO) mice. Compared to diabetic controls, diabetic IRE1α KO mice showed reductions in podocyte number and synaptopodin. Glomerular ultrastructure was altered only in diabetic IRE1α KO mice; the major changes included widening of podocyte foot processes and glomerular basement membrane. Activation of the UPR and autophagy was evident in diabetic control, but not diabetic IRE1α KO mice. Analysis of human glomerular gene expression in the JuCKD-Glom database demonstrated induction of genes associated with the ER, UPR and autophagy in diabetic nephropathy. Thus, mice with podocyte-specific deletion of IRE1α demonstrate more severe diabetic nephropathy and attenuation of the glomerular UPR and autophagy, implying a protective effect of IRE1α. These results are consistent with data in human diabetic nephropathy and highlight the potential for therapeutically targeting these pathways.
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Affiliation(s)
- Andrey V Cybulsky
- Department of Medicine, McGill University Health Centre Research Institute, McGill University, Montreal, QC, Canada.
| | - Joan Papillon
- Department of Medicine, McGill University Health Centre Research Institute, McGill University, Montreal, QC, Canada
| | - Julie Guillemette
- Department of Medicine, McGill University Health Centre Research Institute, McGill University, Montreal, QC, Canada
| | - José R Navarro-Betancourt
- Department of Medicine, McGill University Health Centre Research Institute, McGill University, Montreal, QC, Canada
| | - Chen-Fang Chung
- Department of Medicine, McGill University Health Centre Research Institute, McGill University, Montreal, QC, Canada
| | - Takao Iwawaki
- Department of Life Science, Kanazawa Medical University, Uchinada, Japan
| | - I George Fantus
- Department of Medicine, McGill University Health Centre Research Institute, McGill University, Montreal, QC, Canada
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17
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Yalcın B, Onder GO, Goktepe O, Suna PA, Mat OC, Koseoglu E, Cetindag E, Baran M, Bitgen N, Öz Gergı N Ö, Yay A. Enhanced Kidney Damage Induced by Increasing Nonylphenol Doses: Impact on Autophagy-Related Proteins and Proinflammatory Cytokines in Rats. Toxicol Mech Methods 2024:1-25. [PMID: 38769906 DOI: 10.1080/15376516.2024.2358348] [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: 02/01/2024] [Accepted: 05/05/2024] [Indexed: 05/22/2024]
Abstract
Nonylphenol (NP) is an organic pollutant and endocrine disruptor chemical that has harmful effects on the environment and living organisms. This study looked at whether kidney tissues subjected to increasing doses of nonylphenol generated alterations in histopathologic, pro-inflammatory, and autophagic markers. Fifty rats were divided into five groups of ten each: group I: healthy group, II: control (corn oil), group III: 25 μl/kg NP, group IV: 50 μl/kg NP, group V: 75 μl/kg NP. The kidney tissue samples were obtained for histopathological, immunohistochemical, and biochemical analyses. The histological deteriorations observed in all NP groups included tubular epithelial cell degeneration, inflammation areas, and hemorrhage. The immunohistochemical investigations showed that NP significantly elevated the autophagy markers (Beclin-1, LC3/2, p62), pro-inflammatory cytokines (TNF-α, IL-6), HIF-1α, and eNOS in group III, IV and V compared with group I and II. The biochemical analysis also revealed that pro-inflammatory cytokines (TNF-α, IL-1β, and IL-6) increased in correlation with the NP doses, but only IL-1β reached statistical significance in NP treated rats kidney tissue. The biochemical findings have been confirmed by the histological studies. The damage to renal tissue caused by NP exposure may worsen it by increasing inflammatory and autophagic markers.
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Affiliation(s)
- Betul Yalcın
- Assistant Professor, Department of Histology and Embryology, Adıyaman University, Faculty of Medicine, 02040 Adıyaman, Turkey
| | - Gozde Ozge Onder
- Assistant Professor, Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039 Kayseri, Turkey
- Genome and Stem Cell Center (GENKOK), Erciyes University, Kayseri, Turkey
| | - Ozge Goktepe
- Assistant Professor, Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039 Kayseri, Turkey
- Genome and Stem Cell Center (GENKOK), Erciyes University, Kayseri, Turkey
| | - Pınar Alisan Suna
- Assistant Professor, Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039 Kayseri, Turkey
| | - Ozge Cengiz Mat
- Assistant Professor, Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039 Kayseri, Turkey
| | - Eda Koseoglu
- Assistant Professor, Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039 Kayseri, Turkey
| | - Emre Cetindag
- Assistant Professor, Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039 Kayseri, Turkey
| | - Munevver Baran
- Associated Professor, Department of Pharmaceutical Basic Science, Erciyes University, Faculty of Pharmacy, 38039 Kayseri, Turkey
| | - Nazmiye Bitgen
- Genome and Stem Cell Center (GENKOK), Erciyes University, Kayseri, Turkey
- Assistant Professor, Department of Medical Biology, Erciyes University, Faculty of Medicine, 38039 Kayseri, Turkey
| | - Özlem Öz Gergı N
- Associated Professor, Department of Surgical Medicine Science, Anesthesiology and Reanimation, Erciyes University, Faculty of Medicine, 38039 Kayseri, Turkey
| | - Arzu Yay
- Assistant Professor, Department of Histology and Embryology, Erciyes University, Faculty of Medicine, 38039 Kayseri, Turkey
- Genome and Stem Cell Center (GENKOK), Erciyes University, Kayseri, Turkey
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18
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Abou-Elghait AT, Al Adly RM, Radwan E, Meligy FY. Metformin modulates autophagic pathway in renal fibrosis induced by carbon tetrachloride in adult male albino rats. Ultrastruct Pathol 2024; 48:153-171. [PMID: 38654519 DOI: 10.1080/01913123.2024.2342444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 04/09/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUNDS Chronic kidney disease (CKD) is a global public health problem. All progressive chronic kidney disease (CKD) is characterized by tubulointerstitial fibrosis. Exposure to high concentrations of carbon tetrachloride (including vapor) can destroy the kidneys. Autophagy played an important role in maintaining the homeostasis of organs. Impaired autophagy was frequently associated with renal damage and fibrosis. Recent data suggests that metformin protects against a variety of kidney disorders. AIM To investigate the protective role of metformin on carbon tetrachloride induced renal damage via autophagy pathway. MATERIALS AND METHODS Forty adult male albino rats were divided into four equal groups (10 rats, each); Group 1: control group. Group 2: olive oil group received olive oil 1.5 mg/kg twice weekly S.C for 12 weeks. Group 3: The ccl4 group, the rats were received ccl4 1.5 mg/kg twice weekly S.C for 12 weeks. Group 4: CCL4 and Metformin group received concomitant treatment of CCL4, 1.5 mg/kg twice weekly S.C and 100 mg/kg/day Metformin orally for 12 weeks. After sacrifice, kidneys were taken from all animal groups and processed for light and electron microscopy, immunological studies and biochemical tests. Statistical analysis was done. RESULTS Administration of ccl4 resulted in histopathological changes in the kidney tissue in the form of areas of tissue destruction, inflammatory cell infiltration, congestion and fibrosis. Ultrastructurally, irregular thickening of GBM was observed. Improvement was noticed with concomitant treatment of ccl4 with metformin. CONCLUSION Metformin administration can modulate histological and biochemical effects in the renal tissue induced by of ccl4.
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Affiliation(s)
- Amal T Abou-Elghait
- Histology and Cell Biology Department, Sphinx university, Assiut, Egypt
- Histology and Cell Biology Department, Faculty of Medicine, Assuit University, Assiut, Egypt
| | - Rania M Al Adly
- Histology and Cell Biology Department, Faculty of Medicine, South Valley University, Qena, Egypt
| | - Eman Radwan
- Department of Biochemistry, Sphinx University, Assiut, Egypt
- Department of Medical Biochemistry, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Fatma Y Meligy
- Histology and Cell Biology Department, Faculty of Medicine, Assuit University, Assiut, Egypt
- Department of Restorative Dentistry and Basic Medical Sciences, Faculty of Dentistry, University of Petra, Amman, Jordan
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19
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Wang L, Tian H, Wang H, Mao X, Luo J, He Q, Wen P, Cao H, Fang L, Zhou Y, Yang J, Jiang L. Disrupting circadian control of autophagy induces podocyte injury and proteinuria. Kidney Int 2024; 105:1020-1034. [PMID: 38387504 DOI: 10.1016/j.kint.2024.01.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 12/21/2023] [Accepted: 01/12/2024] [Indexed: 02/24/2024]
Abstract
The circadian clock influences a wide range of biological process and controls numerous aspects of physiology to adapt to the daily environmental changes caused by Earth's rotation. The kidney clock plays an important role in maintaining tubular function, but its effect on podocytes remains unclear. Here, we found that podocytes expressed CLOCK proteins, and that 2666 glomerular gene transcripts (13.4%), including autophagy related genes, had 24-hour circadian rhythms. Deletion of Clock in podocytes resulted in 1666 gene transcripts with the loss of circadian rhythm including autophagy genes. Podocyte-specific Clock knockout mice at age three and eight months showed deficient autophagy, loss of podocytes and increased albuminuria. Chromatin immunoprecipitation (ChIP) sequence analysis indicated autophagy related genes were targets of CLOCK in podocytes. ChIP-PCR further confirmed Clock binding to the promoter regions of Becn1 and Atg12, two autophagy related genes. Furthermore, the association of CLOCK regulated autophagy with chronic sleep fragmentation and diabetic kidney disease was analyzed. Chronic sleep fragmentation resulted in the loss of glomerular Clock rhythm, inhibition of podocyte autophagy, and proteinuria. Rhythmic oscillations of Clock also disappeared in high glucose treated podocytes and in glomeruli from diabetic mice. Finally, circadian differences in podocyte autophagy were also abolished in diabetic mice. Deletion Clock in podocytes aggravated podocyte injury and proteinuria in diabetic mice. Thus, our findings demonstrate that clock-dependent regulation of autophagy may be essential for podocyte survival. Hence. loss of circadian controlled autophagy may play an important role in podocyte injury and proteinuria.
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Affiliation(s)
- Lulu Wang
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Han Tian
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Haiyan Wang
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xiaoming Mao
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Nephrology, Tianjin Medical University General Hospital, Tianjin, China
| | - Jing Luo
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Qingyun He
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Ping Wen
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hongdi Cao
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Li Fang
- Department of Nephrology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China.
| | - Yang Zhou
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Junwei Yang
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Lei Jiang
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.
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20
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Wang Y, Ping Z, Gao H, Liu Z, Xv Q, Jiang X, Yu W. LYC inhibits the AKT signaling pathway to activate autophagy and ameliorate TGFB-induced renal fibrosis. Autophagy 2024; 20:1114-1133. [PMID: 38037248 PMCID: PMC11135866 DOI: 10.1080/15548627.2023.2287930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 11/20/2023] [Indexed: 12/02/2023] Open
Abstract
Renal fibrosis is a typical pathological change in chronic kidney disease (CKD). Epithelial-mesenchymal transition (EMT) is the predominant stage. Activation of macroautophagy/autophagy plays a crucial role in the process of EMT. Lycopene (LYC) is a highly antioxidant carotenoid with pharmacological effects such as anti-inflammation, anti-apoptosis and mediation of autophagy. In this study, we demonstrated the specific mechanism of LYC in activating mitophagy and improving renal fibrosis. The enrichment analysis results of GO and KEGG showed that LYC had high enrichment values with autophagy. In this study, we showed that LYC alleviated aristolochic acid I (AAI)-induced intracellular expression of PINK1, TGFB/TGF-β, p-SMAD2, p-SMAD3, and PRKN/Parkin, recruited expression of MAP1LC3/LC3-II and SQSTM1/p62, decreased mitochondrial membrane potential (MMP), and ameliorated renal fibrosis in mice. When we simultaneously intervened NRK52E cells using bafilomycin A1 (Baf-A1), AAI, and LYC, intracellular MAP1LC3-II and SQSTM1 expression was significantly increased. A similar result was seen in renal tissue and cells when treated in vitro and in vivo with CQ, AAI, and LYC, and the inhibitory effect of LYC on the AAI-activated SMAD2-SMAD3 signaling pathway was attenuated. Molecular docking simulation experiments showed that LYC stably bound to the AKT active site. After intervention of cells with AAI and GSK-690693, the expression of PINK1, PRKN, MAP1LC3-II, BECN1, p-SMAD2 and p-SMAD3 was increased, and the expression of SQSTM1 was decreased. However, SC79 inhibited autophagy and reversed the inhibitory effect of LYC on EMT. The results showed that LYC could inhibit the AKT signaling pathway to activate mitophagy and reduce renal fibrosis.Abbreviation: AA: aristolochic acid; ACTA2/α-SMA: actin alpha 2, smooth muscle, aorta; ACTB: actin beta; AKT/protein kinase B: thymoma viral proto-oncogene; BAF-A1: bafilomycin A1; BECN1: beclin 1, autophagy related; CCN2/CTGF: cellular communication network factor 2; CDH1/E-Cadherin: cadherin 1; CKD: chronic kidney disease; COL1: collagen, type I; COL3: collagen, type III; CQ: chloroquine; ECM: extracellular matrix; EMT: epithelial-mesenchymal transition; FN1: fibronectin 1; LYC: lycopene; MAP1LC3/LC3: microtubule-associated protein 1 light chain 3; MMP: mitochondrial membrane potential; MTOR: mechanistic target of rapamycin kinase ; PI3K: phosphoinositide 3-kinase; PINK1: PTEN induced putative kinase 1; PRKN/Parkin: parkin RBR E3 ubiquitin protein ligase; PPI: protein-protein interaction; SMAD2: SMAD family member 2; SMAD3: SMAD family member 3; SQSTM1/p62: sequestosome 1; TGFB/TGFβ: transforming growth factor, beta; VIM: vimentin.
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Affiliation(s)
- Yu Wang
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Zhenlei Ping
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Hongxin Gao
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Zhihui Liu
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Qingyang Xv
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Xiaowen Jiang
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Wenhui Yu
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin, China
- Institute of Chinese Veterinary Medicine, Northeast Agricultural University, Harbin, China
- Key Laboratory of Animal Pathogenesis and Comparative Medicine in Heilongjiang Province, Northeast Agricultural University, Harbin, China
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21
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Carbayo J, Verdalles Ú, Díaz-Crespo F, Lázaro A, González-Nicolás M, Arroyo D, Blanco D, García-Gámiz M, Goicoechea M. Tubular biomarkers in proteinuric kidney disease: histology correlation and kidney prognosis of tubular biomarkers. Clin Kidney J 2024; 17:sfae146. [PMID: 38803396 PMCID: PMC11129590 DOI: 10.1093/ckj/sfae146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Indexed: 05/29/2024] Open
Abstract
Background Proteinuria is not only a biomarker of chronic kidney disease (CKD) but also a driver of CKD progression. The aim of this study was to evaluate serum and urinary tubular biomarkers in patients with biopsied proteinuric kidney disease and to correlate them with histology and kidney outcomes. Methods A single-center retrospective study was conducted on a cohort of 156 patients from January 2016 to December 2021. The following urinary and serum biomarkers were analyzed on the day of kidney biopsy: beta 2 microglobulin (β2-mcg), alpha 1 microglobulin (α1-mcg), neutrophil gelatinase-associated lipocalin (NGAL), urinary kidney injury molecule-1 (uKIM-1), monocyte chemoattractant protein-1 (MCP-1), urinary Dickkopf-3 (uDKK3), uromodulin (urinary uUMOD), serum kidney injury molecule-1 (sKIM-1) and serum uromodulin (sUMOD). A composite outcome of kidney progression or death was recorded during a median follow-up period of 26 months. Results Multivariate regression analysis identified sUMOD (β-0.357, P < .001) and uDKK3 (β 0.483, P < .001) as independent predictors of interstitial fibrosis, adjusted for age, estimated glomerular filtration rate (eGFR) and log proteinuria. Elevated levels of MCP-1 [odds ratio 15.61, 95% confidence interval (CI) 3.52-69.20] were associated with a higher risk of cortical interstitial inflammation >10% adjusted for eGFR, log proteinuria and microhematuria. Upper tertiles of uDKK3 were associated with greater eGFR decline during follow-up. Although not a predictor of the composite outcome, doubling of uDKK3 was a predictor of kidney events (hazard ratio 2.26, 95% CI 1.04-4.94) after adjustment for interstitial fibrosis, eGFR and proteinuria. Conclusions Tubular markers may have prognostic value in proteinuric kidney disease, correlating with specific histologic parameters and identifying cases at higher risk of CKD progression.
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Affiliation(s)
- Javier Carbayo
- Department of Nephrology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Úrsula Verdalles
- Department of Nephrology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Francisco Díaz-Crespo
- Department of Pathology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Alberto Lázaro
- Renal Pathophysiology Laboratory, Instituto Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - Marian González-Nicolás
- Renal Pathophysiology Laboratory, Instituto Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - David Arroyo
- Department of Nephrology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - David Blanco
- Renal Pathophysiology Laboratory, Instituto Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - Mercedes García-Gámiz
- Department of Biochemistry, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Marian Goicoechea
- Department of Nephrology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
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22
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Livingston MJ, Zhang M, Kwon SH, Chen JK, Li H, Manicassamy S, Dong Z. Autophagy activates EGR1 via MAPK/ERK to induce FGF2 in renal tubular cells for fibroblast activation and fibrosis during maladaptive kidney repair. Autophagy 2024; 20:1032-1053. [PMID: 37978868 PMCID: PMC11135847 DOI: 10.1080/15548627.2023.2281156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 11/03/2023] [Indexed: 11/19/2023] Open
Abstract
Macroautophagy/autophagy contributes to maladaptive kidney repair by inducing pro-fibrotic factors such as FGF2 (fibroblast growth factor 2), but the underlying mechanism remains elusive. Here, we show that EGR1 (early growth response 1) was induced in injured proximal tubules after ischemic acute kidney injury (AKI) and this induction was suppressed by autophagy deficiency in inducible, renal tubule-specific atg7 (autophagy related 7) knockout (iRT-atg7 KO) mice. In cultured proximal tubular cells, TGFB1 (transforming growth factor beta 1) induced EGR1 and this induction was also autophagy dependent. Egr1 knockdown in tubular cells reduced FGF2 expression during TGFB1 treatment, leading to less FGF2 secretion and decreased paracrine effects on fibroblasts. ChIP assay detected an increased binding of EGR1 to the Fgf2 gene promoter in TGFB1-treated tubular cells. Both Fgf2 and Egr1 transcription was inhibited by FGF2 neutralizing antibody, suggesting a positive feedback for EGR1-mediated FGF2 autoregulation. This feedback was confirmed using fgf2-deficient tubular cells and fgf2-deficient mice. Upstream of EGR1, autophagy deficiency in mice suppressed MAPK/ERK (mitogen-activated protein kinase) activation in post-ischemic renal tubules. This inhibition correlated with SQSTM1/p62 (sequestosome 1) aggregation and its sequestration of MAPK/ERK. SQSTM1/p62 interacted with MAPK/ERK and blocked its activation during TGFB1 treatment in autophagy-deficient tubular cells. Inhibition of MAPK/ERK suppressed EGR1 and FGF2 expression in maladaptive tubules, leading to the amelioration of renal fibrosis and improvement of renal function. These results suggest that autophagy activates MAPK/ERK in renal tubular cells, which induces EGR1 to transactivate FGF2. FGF2 is then secreted into the interstitium to stimulate fibroblasts for fibrogenesis.Abbreviation: 3-MA: 3-methyladenine; ACTA2/α-SMA: actin alpha 2, smooth muscle, aorta; ACTB/β-actin: actin, beta; AKI: acute kidney injury; aa: amino acid; ATG/Atg: autophagy related; BUN: blood urea nitrogen; ChIP: chromatin immunoprecipitation; CKD: chronic kidney disease; CM: conditioned medium; COL1A1: collagen, type I, alpha 1; COL4A1: collagen, type IV, alpha 1; CQ: chloroquine; DBA: dolichos biflorus agglutinin; EGR1: early growth response 1; ELK1: ELK1, member of ETS oncogene family; FGF2: fibroblast growth factor 2; FN1: fibronectin 1; GAPDH: glyceraldehyde-3-phosphate dehydrogenase; HAVCR1/KIM-1: hepatitis A virus cellular receptor 1; IP: immunoprecipitation; LIR: LC3-interacting region; MAP1LC3B/LC3B: microtubule-associated protein 1 light chain 3 beta; MAP2K/MEK: mitogen-activated protein kinase kinase; MAPK: mitogen-activated protein kinase; NFKB: nuclear factor kappa B; PB1: Phox and Bem1; PFT: pifithrin α; PPIB/cyclophilin B: peptidylprolyl isomerase B; RT-qPCR: real time-quantitative PCR; SQSTM1/p62: sequestosome 1; TGFB1/TGF-β1: transforming growth factor beta 1; VIM: vimentin.
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Affiliation(s)
- Man J. Livingston
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
- Research Department, Charlie Norwood VA Medical Center, Augusta, GA, USA
| | - Ming Zhang
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Sang-Ho Kwon
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Jian-Kang Chen
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Honglin Li
- Department of Biochemistry and Molecular Biology, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Santhakumar Manicassamy
- Department of Biochemistry and Molecular Biology, Medical College of Georgia at Augusta University, Augusta, GA, USA
| | - Zheng Dong
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
- Research Department, Charlie Norwood VA Medical Center, Augusta, GA, USA
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23
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Feng D, Gui Z, Xu Z, Zhang J, Ni B, Wang Z, Liu J, Fei S, Chen H, Sun L, Gu M, Tan R. Rictor/mTORC2 signalling contributes to renal vascular endothelial-to-mesenchymal transition and renal allograft interstitial fibrosis by regulating BNIP3-mediated mitophagy. Clin Transl Med 2024; 14:e1686. [PMID: 38769658 PMCID: PMC11106512 DOI: 10.1002/ctm2.1686] [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: 11/25/2023] [Revised: 04/18/2024] [Accepted: 04/24/2024] [Indexed: 05/22/2024] Open
Abstract
BACKGROUND Renal allograft interstitial fibrosis/tubular atrophy (IF/TA) constitutes the principal histopathological characteristic of chronic allograft dysfunction (CAD) in kidney-transplanted patients. While renal vascular endothelial-mesenchymal transition (EndMT) has been verified as an important contributing factor to IF/TA in CAD patients, its underlying mechanisms remain obscure. Through single-cell transcriptomic analysis, we identified Rictor as a potential pivotal mediator for EndMT. This investigation sought to elucidate the role of Rictor/mTORC2 signalling in the pathogenesis of renal allograft interstitial fibrosis and the associated mechanisms. METHODS The influence of the Rictor/mTOR2 pathway on renal vascular EndMT and renal allograft fibrosis was investigated by cell experiments and Rictor depletion in renal allogeneic transplantation mice models. Subsequently, a series of assays were conducted to explore the underlying mechanisms of the enhanced mitophagy and the ameliorated EndMT resulting from Rictor knockout. RESULTS Our findings revealed a significant activation of the Rictor/mTORC2 signalling in CAD patients and allogeneic kidney transplanted mice. The suppression of Rictor/mTORC2 signalling alleviated TNFα-induced EndMT in HUVECs. Moreover, Rictor knockout in endothelial cells remarkably ameliorated renal vascular EndMT and allograft interstitial fibrosis in allogeneic kidney transplanted mice. Mechanistically, Rictor knockout resulted in an augmented BNIP3-mediated mitophagy in endothelial cells. Furthermore, Rictor/mTORC2 facilitated the MARCH5-mediated degradation of BNIP3 at the K130 site through K48-linked ubiquitination, thereby regulating mitophagy activity. Subsequent experiments also demonstrated that BNIP3 knockdown nearly reversed the enhanced mitophagy and mitigated EndMT and allograft interstitial fibrosis induced by Rictor knockout. CONCLUSIONS Consequently, our study underscores Rictor/mTORC2 signalling as a critical mediator of renal vascular EndMT and allograft interstitial fibrosis progression, exerting its impact through regulating BNIP3-mediated mitophagy. This insight unveils a potential therapeutic target for mitigating renal allograft interstitial fibrosis.
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Affiliation(s)
- Dengyuan Feng
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Zeping Gui
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
- Department of Urologythe Second Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Zhen Xu
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
- Department of UrologyThe Affiliated Taizhou People's Hospital of Nanjing Medical UniversityTaizhouChina
| | - Jianjian Zhang
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Bin Ni
- Department of Urologythe Second Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Zijie Wang
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Jiawen Liu
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Shuang Fei
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Hao Chen
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Li Sun
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Min Gu
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
- Department of Urologythe Second Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Ruoyun Tan
- Department of Urologythe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
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24
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Khumsri W, Payuhakrit W, Kongkaew A, Chattipakorn N, Chattipakorn S, Yasom S, Mutirangura A. Box A of HMGB1 Maintains the DNA Gap and Prevents DDR-induced Kidney Injury in D-galactose Induction Rats. In Vivo 2024; 38:1170-1181. [PMID: 38688613 PMCID: PMC11059889 DOI: 10.21873/invivo.13552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 05/02/2024]
Abstract
BACKGROUND/AIM Disability and mortality rates for renal failure are still increasing. DNA damage and oxidative stress intoxication from body metabolism, high blood glucose, or the environment cause significant kidney damage. Recently, we reported that Box A of HMGB1 (Box A) acts as molecular scissors, producing DNA gaps that prevent DNA damage in kidney cell lines and ultimately reverse aging phenotypes in aging rat models. The present study aimed to demonstrate the potency of Box A in preventing D-galactose (D-gal)-induced kidney injury. MATERIALS AND METHODS A Box A expression plasmid was constructed and administered to a rat model. D-gal was injected subcutaneously for eight weeks. Serum was collected to study renal function, and white blood cells were collected for DNA gap measurement. Kidney tissue was also collected for γ-H2AX and NF-κB immunostaining; Senescence-associated (SA)-beta-gal staining; and analysis of the mRNA expression of p16INK4A, TNF-α, and IL-6. Moreover, histopathology analysis was performed using hematoxylin & eosin and Masson trichome staining. RESULTS Pretreatment with Box A administration prevented the reduction of DNA gaps and the consequences of the DNA damage response, which include elevated serum creatinine; high serum BUN; an increased positive SA-beta-gal staining area; overexpression of p16INK4A, NF-κB and senescence-associated secretory phenotype molecules, including IL-6, TNF-α; and histological alterations, including tubular dilation and collagen accumulation. CONCLUSION Box A effectively prevents DNA gap reduction and all D-gal-induced kidney pathological changes at the molecular, histological, and physiological levels. Therefore, Box A administration is a promising novel therapeutic strategy to prevent DNA-damaging agent-induced kidney failure.
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Affiliation(s)
- Wilunplus Khumsri
- Center of Excellence in Molecular Genetics of Cancer and Human Disease, Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Interdisciplinary Program of Biomedical Sciences, Graduate School, Chulalongkorn University, Bangkok, Thailand
| | - Witchuda Payuhakrit
- Department of Pathobiology, Faculty of Science, Mahidol University, Bangkok, Thailand;
- Pathobiology Information and Learning Center, Department of Pathobiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Aphisek Kongkaew
- Research Administration Section, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Nipon Chattipakorn
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
- Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Siriporn Chattipakorn
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Sakawdaurn Yasom
- Center of Excellence in Molecular Genetics of Cancer and Human Disease, Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand;
| | - Apiwat Mutirangura
- Center of Excellence in Molecular Genetics of Cancer and Human Disease, Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
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25
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Lo Faro ML, Rozenberg K, Huang H, Maslau S, Bonham S, Fischer R, Kessler B, Leuvenink H, Sharples E, Lindeman JH, Ploeg R. Kidney Tissue Proteome Profiles in Short Versus Long Duration of Delayed Graft Function - A Pilot Study in Donation After Circulatory Death Donors. Kidney Int Rep 2024; 9:1473-1483. [PMID: 38707804 PMCID: PMC11068965 DOI: 10.1016/j.ekir.2024.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 01/30/2024] [Accepted: 02/05/2024] [Indexed: 05/07/2024] Open
Abstract
Introduction Delayed graft function (DGF) is often defined as the need for dialysis treatment in the first week after a kidney transplantation. This definition, though readily applicable, is generic and unable to distinguish between "types" of DGF or time needed to recover function that may also significantly affect longer-term outcomes. We aimed to profile biological pathways in donation after circulatory death (DCD) kidney donors that correlate with DGF and different DGF durations. Methods A total of N = 30 DCD kidney biopsies were selected from the UK Quality in Organ Donation (QUOD) biobank and stratified according to DGF duration (immediate function, IF n = 10; "short-DGF" (1-6 days), SDGF n = 10; "long-DGF" (7-22 days), LDGF n = 10). Samples were matched for donor and recipient demographics and analyzed by label-free quantitative (LFQ) proteomics, yielding identification of N = 3378 proteins. Results Ingenuity pathway analysis (IPA) on differentially abundant proteins showed that SDGF kidneys presented upregulation of stress response pathways, whereas LDGF presented impaired response to stress, compared to IF. LDGF showed extensive metabolic deficits compared to IF and SDGF. Conclusion DCD kidneys requiring dialysis only in the first week posttransplant present acute cellular injury at donation, alongside repair pathways upregulation. In contrast, DCD kidneys requiring prolonged dialysis beyond 7 days present minimal metabolic and antioxidant responses, suggesting that current DGF definitions might not be adequate in distinguishing different patterns of injury in donor kidneys contributing to DGF.
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Affiliation(s)
- M. Letizia Lo Faro
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
- Oxford Biomedical Research Centre, Oxford, UK
| | - Kaithlyn Rozenberg
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
- Oxford Biomedical Research Centre, Oxford, UK
| | - Honglei Huang
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Oxford Biomedical Research Centre, Oxford, UK
| | - Sergei Maslau
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Sarah Bonham
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Roman Fischer
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Benedikt Kessler
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | | | | | | | - Rutger Ploeg
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
- Oxford Transplant Centre, Churchill Hospital, Oxford, UK
- Oxford Biomedical Research Centre, Oxford, UK
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26
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Yang Y, Jiang S, Mu Y, Liu C, Han Y, Jiang J, Wang Y. Berberine alleviated contrast-induced acute kidney injury by mitophagy-mediated NLRP3 inflammasome inactivation in a mice model. Toxicol Appl Pharmacol 2024; 486:116952. [PMID: 38705399 DOI: 10.1016/j.taap.2024.116952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 04/13/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
The incidence of contrast-induced acute kidney injury (CI-AKI) has escalated to become the third most prevalent cause of hospital-acquired AKI, with a lack of efficacious interventions. Berberine (BBR) possesses diverse pharmacological effects and exhibits renoprotective properties; however, limited knowledge exists regarding its impact on CI-AKI. Therefore, our study aimed to investigate the protective effects and underlying mechanisms of BBR on CI-AKI in a mice model, focusing on the nucleotide-binding oligomerization domain-like pyrin domain-containing protein 3 (NLRP3) inflammasome and mitophagy. The CI-AKI mice model was established by administering NG-nitro-L-arginine methyl ester (L-NAME) (10 mg/kg), indomethacin (10 mg/kg), and iohexol (11 g/kg) following water deprivation. A pretreatment of 100 mg/kg of BBR was orally administered to the mice for two weeks. Renal injury markers, damage-associated molecular patterns (DAMPs), renal histopathology, mitochondrial morphology, autophagosomes, and potential mechanisms were investigated. BBR effectively reduced levels of renal injury biomarkers such as serum cystatin C, urea nitrogen, and creatinine, downregulated the protein level of kidney injury molecule 1 (KIM1), and mitigated renal histomorphological damage. Moreover, BBR reduced DAMPs, including high mobility group box-1 (HMGB1), heat shock protein 70 (HSP70), and uric acid (UA). It also alleviated oxidative stress and inflammatory factors such as monocyte chemotactic protein-1 (MCP-1), tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), and interleukin-1 beta (IL-1β). Furthermore, the activation of NLRP3 inflammasome was attenuated in the BBR pretreatment group, as evidenced by both mRNA and protein levels. Electron microscopy and western blotting examination revealed that BBR mitigated mitochondrial damage and enhanced mitophagy. Additionally, BBR increased the P-AMPK/AMPK ratio. These findings indicated that BBR exerted a protective effect against CI-AKI by suppressing NLRP3 inflammasome activation and modulating mitophagy, providing a potential therapeutic strategy for its prevention.
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Affiliation(s)
- Yalin Yang
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Shuang Jiang
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yu Mu
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Chilu Liu
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yanxing Han
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jiandong Jiang
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Yuhong Wang
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
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Yang K, Li T, Geng Y, Zou X, Peng F, Gao W. The role of mitophagy in the development of chronic kidney disease. PeerJ 2024; 12:e17260. [PMID: 38680884 PMCID: PMC11056108 DOI: 10.7717/peerj.17260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 03/28/2024] [Indexed: 05/01/2024] Open
Abstract
Chronic kidney disease (CKD) represents a significant global health concern, with renal fibrosis emerging as a prevalent and ultimate manifestation of this condition. The absence of targeted therapies presents an ongoing and substantial challenge. Accumulating evidence suggests that the integrity and functionality of mitochondria within renal tubular epithelial cells (RTECs) often become compromised during CKD development, playing a pivotal role in the progression of renal fibrosis. Mitophagy, a specific form of autophagy, assumes responsibility for eliminating damaged mitochondria to uphold mitochondrial equilibrium. Dysregulated mitophagy not only correlates with disrupted mitochondrial dynamics but also contributes to the advancement of renal fibrosis in CKD. While numerous studies have examined mitochondrial metabolism, ROS (reactive oxygen species) production, inflammation, and apoptosis in kidney diseases, the precise pathogenic mechanisms underlying mitophagy in CKD remain elusive. The exact mechanisms through which modulating mitophagy mitigates renal fibrosis, as well as its influence on CKD progression and prognosis, have not undergone systematic investigation. The role of mitophagy in AKI has been relatively clear, but the role of mitophagy in CKD is still rare. This article presents a comprehensive review of the current state of research on regulating mitophagy as a potential treatment for CKD. The objective is to provide fresh perspectives, viable strategies, and practical insights into CKD therapy, thereby contributing to the enhancement of human living conditions and patient well-being.
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Affiliation(s)
- Kexin Yang
- Department of Pathophysiology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang, Shandong, China
| | - Ting Li
- Department of Pathophysiology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang, Shandong, China
| | - Yingpu Geng
- School of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong, China
| | - Xiangyu Zou
- Department of Pathophysiology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang, Shandong, China
| | - Fujun Peng
- Department of Pathophysiology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang, Shandong, China
| | - Wei Gao
- Department of Pathophysiology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang, Shandong, China
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Wang Y, Ma Y, Ke Y, Jiang X, Liu J, Xiao Y, Zheng H, Wang C, Chen X, Shi M. Fangji Huangqi decoction ameliorates membranous nephropathy through the upregulation of BNIP3-mediated mitophagy. JOURNAL OF ETHNOPHARMACOLOGY 2024; 324:117734. [PMID: 38237645 DOI: 10.1016/j.jep.2024.117734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 01/04/2024] [Accepted: 01/06/2024] [Indexed: 01/25/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Fangji Huangqi Decoction (FJHQ), a traditional Chinese medicinal formula outlined in Zhang Zhongjing's "Jin Gui Yao Lue" during the Han Dynasty, is often used to treat conditions characterized by symptoms like edema and dysuria, including membranous nephropathy (MN). Despite its proven clinical effectiveness, the exact mechanisms through which FJHQ acts on MN remain elusive. AIM OF THE STUDY This study aimed to investigate whether FJHQ enhances BNIP3-mediated mitophagy in podocytes by promoting BNIP3 expression and whether this improvement leads to the amelioration of MN. MATERIALS AND METHODS In this study, by establishing passive Heymann nephritis (PHN) rats, an experimental rat model of MN induced by sheep anti-rat Fx1A serum, we evaluated the effects of FJHQ in vivo. In vitro experiments were carried out by treating primary podocytes with experimental rat serum. Furthermore, the potential mechanism by which FJHQ acts through BNIP3 was further examined by transfecting primary podocytes with the siRNA of BNIP3 or the corresponding control vector. RESULTS After 4 weeks, significant kidney damage was observed in the rats in the model group, comparatively, FJHQ markedly decreased urine volume, 24-h urinary protein, blood urea nitrogen (BUN), creatinine (Scr), and increased serum total albumin (ALB). Histology showed that FJHQ caused significant improvements in glomerular hyperplasia, and IgG immune complex deposition in MN rats. JC-1 fluorescence labelling and flow cytometry analysis showed that FJHQ could significantly increase mitochondrial membrane potential in vivo. In the mitochondria of MN model rats, FJHQ was able to down-regulate the expression of P62 and up-regulate the expression of BNIP3, LC3B, and LC3 II/LC3 I, according to Western blot and immunofluorescence studies. Furthermore, FJHQ has been shown to significantly up-regulate mitochondrial membrane potential, down-regulate P62 expression in mitochondria, and up-regulate the expression of BNIP3, LC3B, and LC3 II/LC3 I in mitochondria at the cellular level. After the administration of the autophagy inhibitor chloroquine, the serum of rats treated with FJHQ further increased the expression of LC3 II/LC3 I in primary podocytes, showing higher autophagy flow. After the interference of BNIP3 in podocytes, the effect of FJHQ on mitochondrial membrane potential and autophagy-related proteins almost disappeared. CONCLUSION FJHQ enhanced mitophagy in podocytes by promoting the expression of BNIP3, thereby contributing to the amelioration of MN. This work reveals the possible underlying mechanism by which FJHQ improves MN and provides a new avenue for MN treatment.
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Affiliation(s)
- Yuxin Wang
- Department of Nephrology, Traditional Chinese Medicine Hospital of Kunshan, Kunshan, Jiangsu, China
| | - Yuhua Ma
- Department of Nephrology, Traditional Chinese Medicine Hospital of Kunshan, Kunshan, Jiangsu, China.
| | - Yanrong Ke
- Department of Nephrology, Traditional Chinese Medicine Hospital of Kunshan, Kunshan, Jiangsu, China
| | - Xiaocheng Jiang
- Department of Nephrology, Traditional Chinese Medicine Hospital of Kunshan, Kunshan, Jiangsu, China
| | - Jian Liu
- Department of Nephrology, Ruijin Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Yang Xiao
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Hong Zheng
- Department of Nephrology, Traditional Chinese Medicine Hospital of Kunshan, Kunshan, Jiangsu, China
| | - Chaojun Wang
- Department of Nephrology, Traditional Chinese Medicine Hospital of Kunshan, Kunshan, Jiangsu, China
| | - Xue Chen
- Department of Nephrology, Traditional Chinese Medicine Hospital of Kunshan, Kunshan, Jiangsu, China
| | - Manman Shi
- Department of Nephrology, Traditional Chinese Medicine Hospital of Kunshan, Kunshan, Jiangsu, China.
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Zhang J, Feng X, Yang R, Bai J, Gao F, Zhang B. Beclin-1-Derived Peptide MP1 Attenuates Renal Fibrosis by Inhibiting the Wnt/ β-Catenin Pathway. J Pharmacol Exp Ther 2024; 389:208-218. [PMID: 38453525 DOI: 10.1124/jpet.123.001994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/22/2024] [Accepted: 02/12/2024] [Indexed: 03/09/2024] Open
Abstract
Renal fibrosis is distinguished by the abnormal deposition of extracellular matrix and progressive loss of nephron function, with a lack of effective treatment options in clinical practice. In this study, we discovered that the Beclin-1-derived peptide MP1 significantly inhibits the abnormal expression of fibrosis and epithelial-mesenchymal transition-related markers, including α-smooth muscle actin, fibronectin, collagen I, matrix metallopeptidase 2, Snail1, and vimentin both in vitro and in vivo. H&E staining was employed to evaluate renal function, while serum creatinine (Scr) and blood urea nitrogen (BUN) were used as main indices to assess pathologic changes in the obstructed kidney. The results demonstrated that daily treatment with MP1 during the 14-day experiment significantly alleviated renal dysfunction and changes in Scr and BUN in mice with unilateral ureteral obstruction. Mechanistic research revealed that MP1 was found to have a significant inhibitory effect on the expression of crucial components involved in both the Wnt/β-catenin and transforming growth factor (TGF)-β/Smad pathways, including β-catenin, C-Myc, cyclin D1, TGF-β1, and p-Smad/Smad. However, MP1 exhibited no significant impact on either the LC3II/LC3I ratio or P62 levels. These findings indicate that MP1 improves renal physiologic function and mitigates the fibrosis progression by inhibiting the Wnt/β-catenin pathway. Our study suggests that MP1 represents a promising and novel candidate drug precursor for the treatment of renal fibrosis. SIGNIFICANCE STATEMENT: This study indicated that the Beclin-1-derived peptide MP1 effectively mitigated renal fibrosis induced by unilateral ureteral obstruction through inhibiting the Wnt/β-catenin pathway and transforming growth factor-β/Smad pathway, thereby improving renal physiological function. Importantly, unlike other Beclin-1-derived peptides, MP1 exhibited no significant impact on autophagy in normal cells. MP1 represents a promising and novel candidate drug precursor for the treatment of renal fibrosis focusing on Beclin-1 derivatives and Wnt/β-catenin pathway.
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Affiliation(s)
- Jianfeng Zhang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences and Research Unit of Peptide Science, Chinese Academy of Medical Science, Lanzhou University, Lanzhou, China
| | - Xiaocui Feng
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences and Research Unit of Peptide Science, Chinese Academy of Medical Science, Lanzhou University, Lanzhou, China
| | - Runling Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences and Research Unit of Peptide Science, Chinese Academy of Medical Science, Lanzhou University, Lanzhou, China
| | - Jingya Bai
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences and Research Unit of Peptide Science, Chinese Academy of Medical Science, Lanzhou University, Lanzhou, China
| | - Feiyun Gao
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences and Research Unit of Peptide Science, Chinese Academy of Medical Science, Lanzhou University, Lanzhou, China
| | - Bangzhi Zhang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences and Research Unit of Peptide Science, Chinese Academy of Medical Science, Lanzhou University, Lanzhou, China
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Li X, Guan W, Liu H, Yuan J, Wang F, Guan B, Chen J, Lu Q, Xu G, Zhang L. Targeting PNPO to suppress tumor growth via inhibiting autophagic flux and to reverse paclitaxel resistance in ovarian cancer. Apoptosis 2024:10.1007/s10495-024-01956-3. [PMID: 38615082 DOI: 10.1007/s10495-024-01956-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/10/2024] [Indexed: 04/15/2024]
Abstract
Our previous study showed that pyridoxine 5'-phosphate oxidase (PNPO) is a tissue biomarker of ovarian cancer (OC) and has a prognostic implication but detailed mechanisms remain unclear. The current study focused on PNPO-regulated lysosome/autophagy-mediated cellular processes and the potential role of PNPO in chemoresistance. We found that PNPO was overexpressed in OC cells and was a prognostic factor in OC patients. PNPO significantly promoted cell proliferation via the regulation of cyclin B1 and phosphorylated CDK1 and shortened the G2M phase in a cell cycle. Overexpressed PNPO enhanced the biogenesis and perinuclear distribution of lysosomes, promoting the degradation of autophagosomes and boosting the autophagic flux. Further, an autolysosome marker LAMP2 was upregulated in OC cells. Silencing LAMP2 suppressed cell growth and induced cell apoptosis. LAMP2-siRNA blocked PNPO action in OC cells, indicating that the function of PNPO on cellular processes was mediated by LAMP2. These data suggest the existence of the PNPO-LAMP2 axis. Moreover, silencing PNPO suppressed xenographic tumor formation. Chloroquine counteracted the promotion effect of PNPO on autophagic flux and inhibited OC cell survival, facilitating the inhibitory effect of PNPO-shRNA on tumor growth in vivo. Finally, PNPO was overexpressed in paclitaxel-resistant OC cells. PNPO-siRNA enhanced paclitaxel sensitivity in vitro and in vivo. In conclusion, PNPO has a regulatory effect on lysosomal biogenesis that in turn promotes autophagic flux, leading to OC cell proliferation, and tumor formation, and is a paclitaxel-resistant factor. These data imply a potential application by targeting PNPO to suppress tumor growth and reverse PTX resistance in OC.
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Affiliation(s)
- Xin Li
- Research Center for Clinical Medicine, Jinshan Hospital, Fudan University, 1508 Longhang Road, Shanghai, 201508, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wencai Guan
- Research Center for Clinical Medicine, Jinshan Hospital, Fudan University, 1508 Longhang Road, Shanghai, 201508, China
| | - Huiqiang Liu
- Research Center for Clinical Medicine, Jinshan Hospital, Fudan University, 1508 Longhang Road, Shanghai, 201508, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jia Yuan
- Research Center for Clinical Medicine, Jinshan Hospital, Fudan University, 1508 Longhang Road, Shanghai, 201508, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Fanchen Wang
- Research Center for Clinical Medicine, Jinshan Hospital, Fudan University, 1508 Longhang Road, Shanghai, 201508, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Bin Guan
- Research Center for Clinical Medicine, Jinshan Hospital, Fudan University, 1508 Longhang Road, Shanghai, 201508, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Junyu Chen
- Research Center for Clinical Medicine, Jinshan Hospital, Fudan University, 1508 Longhang Road, Shanghai, 201508, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Qi Lu
- Research Center for Clinical Medicine, Jinshan Hospital, Fudan University, 1508 Longhang Road, Shanghai, 201508, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Obstetrics and Gynecology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Guoxiong Xu
- Research Center for Clinical Medicine, Jinshan Hospital, Fudan University, 1508 Longhang Road, Shanghai, 201508, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
- Center for Tumor Diagnosis and Therapy, Jinshan Hospital, Fudan University, Shanghai, China.
| | - Lingyun Zhang
- Department of Medical Oncology, Shanghai Geriatric Medical Center, Shanghai, China.
- Department of Medical Oncology, Zhongshan Hospital, Fudan University, Shanghai, China.
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Shen R, Qin S, Lv Y, Liu D, Ke Q, Shi C, Jiang L, Yang J, Zhou Y. GLP-1 receptor agonist attenuates tubular cell ferroptosis in diabetes via enhancing AMPK-fatty acid metabolism pathway through macropinocytosis. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167060. [PMID: 38354757 DOI: 10.1016/j.bbadis.2024.167060] [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: 10/02/2023] [Revised: 01/24/2024] [Accepted: 02/04/2024] [Indexed: 02/16/2024]
Abstract
Kidney tubules are mostly responsible for pathogenesis of diabetic kidney disease. Actively reabsorption of iron, high rate of lipid metabolism and exposure to concentrated redox-active compounds constructed the three main pillars of ferroptosis in tubular cells. However, limited evidence has indicated that ferroptosis is indispensable for diabetic tubular injury. Glucagon-like peptide-1 receptor agonist (GLP-1RA) processed strong benefits on kidney outcomes in people with diabetes. Moreover, GLP-1RA may have additive effects by improving dysmetabolism besides glucose control and weight loss. Therefore, the present study aimed at exploring the benefits of exendin-4, a high affinity GLP-1RA on kidney tubular dysregulation in diabetes and the possible mechanisms involved, with focus on ferroptosis and adenosine 5'-monophosphate-activated protein kinase (AMPK)-mitochondrial lipid metabolism pathway. Our data revealed that exendin-4 treatment markedly improved kidney structure and function by reducing iron overload, oxidative stress, and ACSL4-driven lipid peroxidation taken place in diabetic kidney tubules, along with reduced GPX4 expression and GSH content. AMPK signaling was identified as the downstream target of exendin-4, and enhancement of AMPK triggered the transmit of its downstream signal to activate fatty acid oxidation in mitochondria and suppress lipid synthesis and glycolysis, and ultimately alleviated toxic lipid accumulation and ferroptosis. Further study suggested that exendin-4 was taken up by tubular cells via macropinocytosis. The protective effect of exendin-4 on tubular ferroptosis was abolished by macropinocytosis blockade. Taken together, present work demonstrated the beneficial effects of GLP-1RA treatment on kidney tubular protection in diabetes by suppressing ferroptosis through enhancing AMPK-fatty acid metabolic signaling via macropinocytosis.
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Affiliation(s)
- Rui Shen
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Songyan Qin
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Yunhui Lv
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Dandan Liu
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Qingqing Ke
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Caifeng Shi
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Lei Jiang
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China.
| | - Junwei Yang
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China.
| | - Yang Zhou
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China.
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Ji H, Zhao Y, Ma X, Wu L, Guo F, Huang F, Song Y, Wang J, Qin G. Upregulation of UHRF1 Promotes PINK1-mediated Mitophagy to Alleviates Ferroptosis in Diabetic Nephropathy. Inflammation 2024; 47:718-732. [PMID: 38055118 DOI: 10.1007/s10753-023-01940-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 12/07/2023]
Abstract
Diabetic nephropathy (DN) is a common diabetic complication. Studies show that mitophagy inhibition induced-ferroptosis plays a crucial role in DN progression. UHRF1 is associated with mitophagy and is highly expression in DN patients, however, the effect of UHRF1 on DN is still unclear. Thus, in this study, we aimed to investigate whether UHRF1 involves DN development by the mitophagy/ferroptosis pathway. We overexpressed UHRF1 using an adeno-associated virus 9 (AAV9) system in high-fat diet/streptozotocin-induced diabetic mice. Renal function index, pathological changes, mitophagy factors, and ferroptosis factors were detected in vivo. High-glucose cultured human renal proximal tubular (HK-2) cells were used as in vitro models to investigate the mechanism of UHRF1 in DN. We found that diabetic mice exhibited kidney damage, which was alleviated by UHRF1 overexpression. UHRF1 overexpression promoted PINK1-mediated mitophagy and inhibited the expression of thioredoxin interacting protein (TXNIP), a factor associated with mitochondrial dysfunction. Additionally, UHRF1 overexpression alleviated lipid peroxidation and free iron accumulation, and upregulated the expression of GPX4 and Slc7a11, indicating the inhibition effect of UHRF1 overexpression on ferroptosis. We further investigated the mechanism of UHRF1 in the mitophagy/ferroptosis pathway in DN. We found that UHRF1 overexpression promoted PINK1-mediated mitophagy via inhibiting TXNIP expression, thus suppressing ferroptosis. These findings confirmed that upregulation of UHRF1 expression alleviates DN, indicating that UHRF1 has a reno-protective effect against DN.
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Affiliation(s)
- Hongfei Ji
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Yanyan Zhao
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Xiaojun Ma
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Lina Wu
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Feng Guo
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Fengjuan Huang
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Yi Song
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Jiao Wang
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Guijun Qin
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China.
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Makhammajanov Z, Gaipov A, Myngbay A, Bukasov R, Aljofan M, Kanbay M. Tubular toxicity of proteinuria and the progression of chronic kidney disease. Nephrol Dial Transplant 2024; 39:589-599. [PMID: 37791392 DOI: 10.1093/ndt/gfad215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Indexed: 10/05/2023] Open
Abstract
Proteinuria is a well-established biomarker of chronic kidney disease (CKD) and a risk predictor of associated disease outcomes. Proteinuria is also a driver of CKD progression toward end-stage kidney disease. Toxic effects of filtered proteins on proximal tubular epithelial cells enhance tubular atrophy and interstitial fibrosis. The extent of protein toxicity and the underlying molecular mechanisms responsible for tubular injury during proteinuria remain unclear. Nevertheless, albumin elicits its toxic effects when degraded and reabsorbed by proximal tubular epithelial cells. Overall, healthy kidneys excrete over 1000 individual proteins, which may be potentially harmful to proximal tubular epithelial cells when filtered and/or reabsorbed in excess. Proteinuria can cause kidney damage, inflammation and fibrosis by increasing reactive oxygen species, autophagy dysfunction, lysosomal membrane permeabilization, endoplasmic reticulum stress and complement activation. Here we summarize toxic proteins reported in proteinuria and the current understanding of molecular mechanisms of toxicity of proteins on proximal tubular epithelial cells leading to CKD progression.
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Affiliation(s)
| | - Abduzhappar Gaipov
- Department of Medicine, School of Medicine, Nazarbayev University, Astana, Kazakhstan
- Clinical Academic Department of Internal Medicine, CF "University Medical Center", Astana, Kazakhstan
| | - Askhat Myngbay
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana, Kazakhstan
| | - Rostislav Bukasov
- Department of Chemistry, School of Sciences and Humanities, Nazarbayev University, Astana, Kazakhstan
| | - Mohamad Aljofan
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Astana, Kazakhstan
| | - Mehmet Kanbay
- Division of Nephrology, Department of Internal Medicine, Koc University, Istanbul, Turkey
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Al-Salam S, Jagadeesh GS, Sudhadevi M, Yasin J. Galectin-3 and Autophagy in Renal Acute Tubular Necrosis. Int J Mol Sci 2024; 25:3604. [PMID: 38612416 PMCID: PMC11012141 DOI: 10.3390/ijms25073604] [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: 01/15/2024] [Revised: 02/21/2024] [Accepted: 02/26/2024] [Indexed: 04/14/2024] Open
Abstract
Acute kidney injury (AKI) is a public health burden with increasing morbidity and mortality rates and health care costs. Acute tubular necrosis (ATN) is the most common cause of AKI. Cisplatin (CIS) is a platinum-based chemotherapeutic agent used in the treatment of a wide variety of malignancies such as lung, breast, ovary, testis, bladder, cervix, and head and neck cancers. Autophagy plays an important role in AKI. Galectin-3 (Gal-3) is significantly increased in renal tubules in AKI; however, its role in autophagy is not well understood. Male C57B6/J and B6.Cg-Lgals3 /J Gal-3 knockout (KO) mice were used to induce AKI using a CIS mouse model of ATN. Renal Gal-3 and autophagy proteins' expression were measured using standard histologic, immunofluorescent, and enzyme-linked immunosorbent assay techniques. The data were presented as the mean ± S.E. Statistically significant differences (p < 0.05) were calculated between experimental groups and corresponding control groups by one-way analysis of variance. There was a significant increase in renal concentrations of Gal-3 in the Gal-3 wild-type CIS-treated mice when compared with sham control mice. There were significantly higher concentrations of renal LC3B, ATG13, Ulk-1, Beclin, ATG5, ATG12, ATG9A, and p-AMPK in the CIS-treated Gal-3 KO mice than in the Gal-3 wild-type CIS-treated mice. Further, there were significantly higher concentrations of mTOR, p- NF-κB, beta-catenin, and p62 in the kidneys of the Gal-3 wild-type CIS-treated mice than in the Gal-3 KO CIS-treated mice. Our findings affirm the connection between Gal-3 and autophagy, revealing its central role as a connector with prosurvival signaling proteins. Gal-3 plays a pivotal role in orchestrating cellular responses by interacting with prosurvival signal pathways and engaging with autophagy proteins. Notably, our observations highlight that the absence of Gal-3 can enhance autophagy in CIS-induced ATN.
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Affiliation(s)
- Suhail Al-Salam
- Department of Pathology, College of Medicine and Health Sciences, United Arab Emirates University, Alain P.O. Box 15551, United Arab Emirates
| | - Govindan S. Jagadeesh
- Department of Pathology, College of Medicine and Health Sciences, United Arab Emirates University, Alain P.O. Box 15551, United Arab Emirates
| | - Manjusha Sudhadevi
- Department of Pathology, College of Medicine and Health Sciences, United Arab Emirates University, Alain P.O. Box 15551, United Arab Emirates
| | - Javed Yasin
- Department of Internal Medicine, College of Medicine and Health Sciences, United Arab Emirates University, Alain P.O. Box 15551, United Arab Emirates
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Wang DX, Bao SY, Song NN, Chen WZ, Ding XQ, Walker RJ, Fang Y. FTO-mediated m6A mRNA demethylation aggravates renal fibrosis by targeting RUNX1 and further enhancing PI3K/AKT pathway. FASEB J 2024; 38:e23436. [PMID: 38430461 DOI: 10.1096/fj.202302041r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/19/2023] [Accepted: 01/08/2024] [Indexed: 03/03/2024]
Abstract
Chronic kidney disease (CKD) is a global health burden, with ineffective therapies leading to increasing morbidity and mortality. Renal interstitial fibrosis is a common pathway in advanced CKD, resulting in kidney function and structure deterioration. In this study, we investigate the role of FTO-mediated N6-methyladenosine (m6A) and its downstream targets in the pathogenesis of renal fibrosis. M6A modification, a prevalent mRNA internal modification, has been implicated in various organ fibrosis processes. We use a mouse model of unilateral ureteral obstruction (UUO) as an in vivo model and treated tubular epithelial cells (TECs) with transforming growth factor (TGF)-β1 as in vitro models. Our findings revealed increased FTO expression in UUO mouse model and TGF-β1-treated TECs. By modulating FTO expression through FTO heterozygous mutation mice (FTO+/- ) in vivo and small interfering RNA (siRNA) in vitro, we observed attenuation of UUO and TGF-β1-induced epithelial-mesenchymal transition (EMT), as evidenced by decreased fibronectin and N-cadherin accumulation and increased E-cadherin levels. Silencing FTO significantly improved UUO and TGF-β1-induced inflammation, apoptosis, and inhibition of autophagy. Further transcriptomic assays identified RUNX1 as a downstream candidate target of FTO. Inhibiting FTO was shown to counteract UUO/TGF-β1-induced RUNX1 elevation in vivo and in vitro. We demonstrated that FTO signaling contributes to the elevation of RUNX1 by demethylating RUNX1 mRNA and improving its stability. Finally, we revealed that the PI3K/AKT pathway may be activated downstream of the FTO/RUNX1 axis in the pathogenesis of renal fibrosis. In conclusion, identifying small-molecule compounds that target this axis could offer promising therapeutic strategies for treating renal fibrosis.
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Affiliation(s)
- Da-Xi Wang
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney Disease and Blood Purification, Shanghai, China
| | - Si-Yu Bao
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney Disease and Blood Purification, Shanghai, China
| | - Na-Na Song
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney Disease and Blood Purification, Shanghai, China
- Shanghai Medical Center of Kidney Disease, Shanghai, China
- Shanghai Institute of Nephrology and Dialysis, Shanghai, China
| | - Wei-Ze Chen
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney Disease and Blood Purification, Shanghai, China
| | - Xiao-Qiang Ding
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney Disease and Blood Purification, Shanghai, China
- Shanghai Medical Center of Kidney Disease, Shanghai, China
- Shanghai Institute of Nephrology and Dialysis, Shanghai, China
| | - Robert J Walker
- Department of Nephrology, University of Otago Medical School, Dunedin, New Zealand
| | - Yi Fang
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney Disease and Blood Purification, Shanghai, China
- Shanghai Medical Center of Kidney Disease, Shanghai, China
- Shanghai Institute of Nephrology and Dialysis, Shanghai, China
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Jia PP, Li Y, Zhang LC, Wu MF, Li TY, Pei DS. Metabolome evidence of CKDu risks after chronic exposure to simulated Sri Lanka drinking water in zebrafish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 273:116149. [PMID: 38412632 DOI: 10.1016/j.ecoenv.2024.116149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/10/2024] [Accepted: 02/22/2024] [Indexed: 02/29/2024]
Abstract
It is still a serious public health issue that chronic kidney disease of uncertain etiology (CKDu) in Sri Lanka poses challenges in identification, prevention, and treatment. What environmental factors in drinking water cause kidney damage remains unclear. This study aimed to investigate the risks of various environmental factors that may induce CKDu, including water hardness, fluoride (HF), heavy metals (HM), microcystin-LR (MC-LR), and their combined exposure (HFMM). The research focused on comprehensive metabolome analysis, and correlation with transcriptomic and gut microbiota changes. Results revealed that chronic exposure led to kidney damage and pancreatic toxicity in adult zebrafish. Metabolomics profiling showed significant alterations in biochemical processes, with enriched metabolic pathways of oxidative phosphorylation, folate biosynthesis, arachidonic acid metabolism, FoxO signaling pathway, lysosome, pyruvate metabolism, and purine metabolism. The network analysis revealed significant changes in metabolites associated with renal function and diseases, including 20-Hydroxy-LTE4, PS(18:0/22:2(13Z,16Z)), Neuromedin N, 20-Oxo-Leukotriene E4, and phenol sulfate, which are involved in the fatty acyls and glycerophospholipids class. These metabolites were closely associated with the disrupted gut bacteria of g_ZOR0006, g_Pseudomonas, g_Tsukamurella, g_Cetobacterium, g_Flavobacterium, which belonged to dominant phyla of Firmicutes and Proteobacteria, etc., and differentially expressed genes (DEGs) such as egln3, ca2, jun, slc2a1b, and gls2b in zebrafish. Exploratory omics analyses revealed the shared significantly changed pathways in transcriptome and metabolome like calcium signaling and necroptosis, suggesting potential biomarkers for assessing kidney disease.
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Affiliation(s)
- Pan-Pan Jia
- School of Public Health, Chongqing Medical University, Chongqing 400016, China
| | - Yan Li
- School of Public Health, Chongqing Medical University, Chongqing 400016, China
| | - Lan-Chen Zhang
- School of Public Health, Chongqing Medical University, Chongqing 400016, China
| | - Ming-Fei Wu
- School of Public Health, Chongqing Medical University, Chongqing 400016, China
| | - Tian-Yun Li
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
| | - De-Sheng Pei
- School of Public Health, Chongqing Medical University, Chongqing 400016, China.
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Zhao M, Yin Y, Yang B, Chang M, Ma S, Shi X, Li Q, Li P, Zhang Y. Ameliorative effects of Modified Huangqi Chifeng decoction on podocyte injury via autophagy mediated by PI3K/AKT/mTOR and AMPK/mTOR pathways. JOURNAL OF ETHNOPHARMACOLOGY 2024; 321:117520. [PMID: 38042389 DOI: 10.1016/j.jep.2023.117520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 11/18/2023] [Accepted: 11/26/2023] [Indexed: 12/04/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Proteinuria is recognized as a risk factor for the exacerbation of chronic kidney disease. Modified Huangqi Chifeng decoction (MHCD) has distinct advantages in reducing proteinuria. Our previous experimental results have shown that MHCD can inhibit excessive autophagy. However, the specific mechanism by which MHCD regulates autophagy needs to be further explored. AIM OF THE STUDY In this study, in vivo and in vitro experiments were conducted to further clarify the protective mechanism of MHCD on the kidney and podocytes by regulating autophagy based on phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT)/mammalian target of rapamycin (mTOR) and adenosine monophosphate-activated protein kinase (AMPK)/mTOR signaling pathways. MATERIALS AND METHODS By a single injection via the tail vein, Sprague-Dawley rats received Adriamycin (5 mg/kg) to establish a model of proteinuria nephropathy. They were divided into control, model, MHCD, 3-methyladenine (3 MA), 3 MA + MHCD, and telmisartan groups and were administered continuously for 6 weeks. The MHCD-containing serum was prepared, and a model of podocyte injury induced by Adriamycin (0.2 μg/mL) was established. RESULTS MHCD reduced the 24-h urine protein levels and relieved pathological kidney damage. During autophagy in the kidneys of rats with Adriamycin-induced nephropathy, the PI3K/AKT/mTOR signaling pathway is inhibited, while the AMPK/mTOR signaling pathway is activated. MHCD antagonized these effects, thereby inhibiting excessive autophagy. MHCD alleviated Adriamycin-induced podocyte autophagy, as demonstrated using Pik3r1 siRNA and an overexpression plasmid for Prkaa1/Prkaa2. Furthermore, MHCD could activate the PI3K/AKT/mTOR signaling pathway while suppressing the AMPK/mTOR signaling pathway. CONCLUSIONS This study demonstrated that MHCD can activate the interaction between the PI3K/AKT/mTOR and the AMPK/mTOR signaling pathways to maintain autophagy balance, inhibit excessive autophagy, and play a role in protecting the kidneys and podocytes.
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Affiliation(s)
- Mingming Zhao
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Yundong Yin
- Postdoctoral Research Station, China Academy of Chinese Medical Sciences, Beijing, 100700, China; Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Bin Yang
- Department of Pathology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Meiying Chang
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Sijia Ma
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Xiujie Shi
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Qi Li
- Department of Clinical Laboratory, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Peng Li
- Institute of Basic Medical Sciences, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, 100091, China; Key Laboratory of Pharmacology of Chinese Materia Medica of Beijing, Beijing, 100091, China.
| | - Yu Zhang
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China; Xin-Huangpu Joint Innovation Institute of Chinese Medicine, Guangzhou, 510000, China.
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Liang LL, He MF, Zhou PP, Pan SK, Liu DW, Liu ZS. GSK3β: A ray of hope for the treatment of diabetic kidney disease. FASEB J 2024; 38:e23458. [PMID: 38315453 DOI: 10.1096/fj.202302160r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/09/2023] [Accepted: 01/17/2024] [Indexed: 02/07/2024]
Abstract
Diabetic kidney disease (DKD), a major microvascular complication of diabetes, is characterized by its complex pathogenesis, high risk of chronic renal failure, and lack of effective diagnosis and treatment methods. GSK3β (glycogen synthase kinase 3β), a highly conserved threonine/serine kinase, was found to activate glycogen synthase. As a key molecule of the glucose metabolism pathway, GSK3β participates in a variety of cellular activities and plays a pivotal role in multiple diseases. However, these effects are not only mediated by affecting glucose metabolism. This review elaborates on the role of GSK3β in DKD and its damage mechanism in different intrinsic renal cells. GSK3β is also a biomarker indicating the progression of DKD. Finally, the protective effects of GSK3β inhibitors on DKD are also discussed.
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Affiliation(s)
- Lu-Lu Liang
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
- Research Institute of Nephrology, Zhengzhou University, Zhengzhou, P.R. China
- Henan Province Research Center For Kidney Disease, Zhengzhou, P.R. China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, P.R. China
| | - Meng-Fei He
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
- Research Institute of Nephrology, Zhengzhou University, Zhengzhou, P.R. China
- Henan Province Research Center For Kidney Disease, Zhengzhou, P.R. China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, P.R. China
| | - Pan-Pan Zhou
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
- Research Institute of Nephrology, Zhengzhou University, Zhengzhou, P.R. China
- Henan Province Research Center For Kidney Disease, Zhengzhou, P.R. China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, P.R. China
| | - Shao-Kang Pan
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
- Research Institute of Nephrology, Zhengzhou University, Zhengzhou, P.R. China
- Henan Province Research Center For Kidney Disease, Zhengzhou, P.R. China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, P.R. China
| | - Dong-Wei Liu
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
- Research Institute of Nephrology, Zhengzhou University, Zhengzhou, P.R. China
- Henan Province Research Center For Kidney Disease, Zhengzhou, P.R. China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, P.R. China
| | - Zhang-Suo Liu
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R. China
- Research Institute of Nephrology, Zhengzhou University, Zhengzhou, P.R. China
- Henan Province Research Center For Kidney Disease, Zhengzhou, P.R. China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, P.R. China
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Chen Y, Wang X, Min J, Zheng J, Tang X, Zhu X, Yu D, Jin D. Network Pharmacology, Molecular Docking, and Experimental Verification to Reveal the Mitophagy-Associated Mechanism of Tangshen Formula in the Treatment of Diabetic Nephropathy. Diabetes Metab Syndr Obes 2024; 17:739-757. [PMID: 38375488 PMCID: PMC10874885 DOI: 10.2147/dmso.s443352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 02/01/2024] [Indexed: 02/21/2024] Open
Abstract
Purpose This study investigated the mechanism of TSF in treating DN through network pharmacology, molecular docking, and experimental validation. Methods To identify critical active ingredients, targets, and DN genes in TSF, multiple databases were utilized for screening purposes. The drug-compound-target network was constructed using Cytoscape 3.9.1 software for network topological analysis. The protein interaction relationship was analyzed using the String database platform. Metascape database conducted enrichment analysis on the key targets using Gene Ontology and the Kyoto Encyclopedia of Genes and Genomes. The renoprotective effect was evaluated using a mouse model of diabetic nephropathy (db/db mice) that occurred spontaneously. Validation of the associated targets and pathways was performed using Western Blot (WB), Polymerase Chain Reaction (PCR), and Immunohistochemical methods (IHC). Results The network analysis showed that the TSF pathway network targeted 24 important targets and 149 significant pathways. TSF might have an impact by focusing on essential objectives such as TP53, PTEN, AKT1, BCL2, BCL2L1, PINK-1, PARKIN, LC3B, and NFE2L2, along with various growth-inducing routes. Our findings demonstrated that TSF effectively repaired the structure of mitochondria in db/db mice. TSF greatly enhanced the mRNA levels of PINK-1. WB and IHC findings indicated that TSF had a notable impact on activating the PINK-1/PARKIN signaling pathway in db/db mice, significantly increasing LC3 and NRF2 expression. Conclusion Our results indicate that TSF effectively addresses DN by activating the PINK-1/PARKIN signaling pathway and enhancing Mitochondrion structure in experimental diabetic nephropathy.
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Affiliation(s)
- Yinfeng Chen
- Department of Nephrology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Xiaying Wang
- Department of Nephrology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Jie Min
- Department of Nephrology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Jie Zheng
- Department of Nephrology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Xuanli Tang
- Department of Nephrology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Xiaoling Zhu
- Department of Nephrology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - Dongrong Yu
- Department of Nephrology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
| | - De Jin
- Department of Nephrology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, 310007, People’s Republic of China
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Nakashima M, Suga N, Ikeda Y, Yoshikawa S, Matsuda S. Inspiring Tactics with the Improvement of Mitophagy and Redox Balance for the Development of Innovative Treatment against Polycystic Kidney Disease. Biomolecules 2024; 14:207. [PMID: 38397444 PMCID: PMC10886467 DOI: 10.3390/biom14020207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/31/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024] Open
Abstract
Polycystic kidney disease (PKD) is the most common genetic form of chronic kidney disease (CKD), and it involves the development of multiple kidney cysts. Not enough medical breakthroughs have been made against PKD, a condition which features regional hypoxia and activation of the hypoxia-inducible factor (HIF) pathway. The following pathology of CKD can severely instigate kidney damage and/or renal failure. Significant evidence verifies an imperative role for mitophagy in normal kidney physiology and the pathology of CKD and/or PKD. Mitophagy serves as important component of mitochondrial quality control by removing impaired/dysfunctional mitochondria from the cell to warrant redox homeostasis and sustain cell viability. Interestingly, treatment with the peroxisome proliferator-activated receptor-α (PPAR-α) agonist could reduce the pathology of PDK and might improve the renal function of the disease via the modulation of mitophagy, as well as the condition of gut microbiome. Suitable modulation of mitophagy might be a favorable tactic for the prevention and/or treatment of kidney diseases such as PKD and CKD.
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Affiliation(s)
| | | | | | | | - Satoru Matsuda
- Department of Food Science and Nutrition, Nara Women’s University, Kita-Uoya Nishimachi, Nara 630-8506, Japan
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41
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Yu B, Jin Q, Ji J. Natural products applied in acute kidney injury treatment: polymer matters. Biomater Sci 2024; 12:621-633. [PMID: 38131274 DOI: 10.1039/d3bm01772a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Acute kidney injury (AKI) is a global health threat due to its high morbidity and mortality. There is still a lack of effective therapeutic methods to deal with AKI clinically. Natural products with outstanding accessibility and bioactivity are potential candidates for AKI treatment. Natural product-based prodrugs or nano-structures with improved properties are frequently fabricated for maximizing bioavailability and decreasing side effects, in which natural polymers are selected as carriers, or natural drugs are loaded as cargos on designed polymers. In this review, the etiologies of AKI are briefly presented, and emerging natural products delivered rationally for AKI therapy, as either carriers or cargos, are both introduced. Moreover, the challenges of the future development of nature-based nanodrugs or prodrugs for AKI have also been discussed.
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Affiliation(s)
- Bo Yu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China.
| | - Qiao Jin
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China.
| | - Jian Ji
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China.
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Lin SY, Chang CL, Liou KT, Kao YK, Wang YH, Chang CC, Kuo TBJ, Huang HT, Yang CCH, Liaw CC, Shen YC. The protective role of Achyranthes aspera extract against cisplatin-induced nephrotoxicity by alleviating oxidative stress, inflammation, and PANoptosis. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117097. [PMID: 37648176 DOI: 10.1016/j.jep.2023.117097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/19/2023] [Accepted: 08/24/2023] [Indexed: 09/01/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Achyranthes aspera, a widely recognized medicinal plant, is used in various cultures for treating different ailments, including renal dysfunction; however, there is a lack of comprehensive understanding of its protective effects and the underlying signaling networks involved. AIM OF THE STUDY This study aimed to investigate the molecular mechanisms of the action of A. aspera by employing an integrative approach including functional and tissue imaging as well as comprehensive genomics analysis. MATERIALS AND METHODS Cisplatin-induced nephrotoxicity is a well-established animal model for acute kidney injury (AKI). In this study, we investigated the protective effects and underlying mechanisms of the action of A. aspera water-soluble extract (AAW) on a murine model of cisplatin-induced AKI. The evaluation includes measurements of blood urea nitrogen (BUN) and serum creatinine (SCr) levels, histology examination, and transcriptome analysis using RNA sequencing. RESULTS In male ICR mice, oral administration of AAW at doses of 0.5-1.0 g/kg significantly reduced cisplatin-induced nephrotoxicity. This effect included the amelioration of tubular injury, renal fibrosis, and the lowering of BUN and SCr levels. AAW also effectively decreased oxidative markers, such as malondialdehyde (MDA) and nitrotyrosine (NT), along with inflammation markers, including COX-2, iNOS, NLRP3, and pP65NFκB. Moreover, AAW administration induced a dose-dependent increase in the expression of two protective factors, Nrf2 and BcL2, and suppressed apoptosis, as evidenced by reduced levels of truncated caspase 3 (t-Casp3). To explore the underlying molecular mechanisms and signaling networks, next-generation sequencing (NGS) analysis was employed. The results revealed that AAW mitigated apoptosis, necroptosis, and PANoptosis pathways by inhibiting inflammation signaling pathways, such as the TNFα-, NFκB-, NETs-, and leukocyte transendothelial migration pathways. Additionally, AAW was found to enhance protective signaling pathways, including the cGMP/PKG-, cAMP-, AMPK-, and mTOR-dependent activation of autophagy and mitophagy pathways. The primary bioactive compound found in AAW was identified as 20-hydroxyecdysone (0.36%). CONCLUSION Our study demonstrates that AAW reduces cisplatin-induced nephrotoxicity. The protective effects of AAW are attributed to its modulation of multiple molecular signaling networks. Specifically, AAW downregulates genes and signaling pathways associated with oxidative stress and endoplasmic reticulum (ER) stress, inflammation, and PANoptosis. Simultaneously, it upregulates genes and signaling pathways associated with cell survival, including autophagy and mitophagy pathways.
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Affiliation(s)
- Song-Yi Lin
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taipei City, 112304, Taiwan.
| | - Chia-Lin Chang
- Department of Senior Citizen Welfare and Long-term Care Business, HungKuang University, Taichung City, 43302, Taiwan; Department of Animal Healthcare, HungKuang University, Taichung City, 43302, Taiwan; Department of Biotechnology, HungKuang University, Taichung City, 43302, Taiwan.
| | - Kuo-Tong Liou
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei City, 112304, Taiwan; Department of Medicine, Mackay Medical College, New Taipei City, 25245, Taiwan; Department of Chinese Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei City, 114202, Taiwan.
| | - Yao-Kai Kao
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taipei City, 112304, Taiwan.
| | - Yea-Hwey Wang
- National Taipei University of Nursing and Health Science, Taipei City, 112304, Taiwan.
| | - Cher-Chia Chang
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei City, 112304, Taiwan.
| | - Terry B J Kuo
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taipei City, 112304, Taiwan.
| | - Hung-Tse Huang
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei City, 112304, Taiwan.
| | - Cheryl C H Yang
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taipei City, 112304, Taiwan.
| | - Chia-Ching Liaw
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei City, 112304, Taiwan.
| | - Yuh-Chiang Shen
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei City, 112304, Taiwan; National Taipei University of Nursing and Health Science, Taipei City, 112304, Taiwan.
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Coulter AM, Cortés V, Theodore CJ, Cianciolo RE, Korstanje R, Campellone KG. WHAMM functions in kidney reabsorption and polymerizes actin to promote autophagosomal membrane closure and cargo sequestration. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.22.576497. [PMID: 38328079 PMCID: PMC10849548 DOI: 10.1101/2024.01.22.576497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
The actin cytoskeleton is essential for many functions of eukaryotic cells, but the factors that nucleate actin assembly are not well understood at the organismal level or in the context of disease. To explore the function of the actin nucleation factor WHAMM in mice, we examined how Whamm inactivation impacts kidney physiology and cellular proteostasis. We show that male WHAMM knockout mice excrete elevated levels of albumin, glucose, phosphate, and amino acids, and display abnormalities of the kidney proximal tubule, suggesting that WHAMM activity is important for nutrient reabsorption. In kidney tissue, the loss of WHAMM results in the accumulation of the lipidated autophagosomal membrane protein LC3, indicating an alteration in autophagy. In mouse fibroblasts and human proximal tubule cells, WHAMM and its binding partner the Arp2/3 complex control autophagic membrane closure and cargo receptor recruitment. These results reveal a role for WHAMM-mediated actin assembly in maintaining kidney function and promoting proper autophagosome membrane remodeling.
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Affiliation(s)
- Alyssa M Coulter
- Department of Molecular & Cell Biology, Institute for Systems Genomics; University of Connecticut, Storrs CT, USA
| | | | - Corey J Theodore
- Department of Molecular & Cell Biology, Institute for Systems Genomics; University of Connecticut, Storrs CT, USA
| | | | | | - Kenneth G Campellone
- Department of Molecular & Cell Biology, Institute for Systems Genomics; University of Connecticut, Storrs CT, USA
- Center on Aging; UConn Health, Farmington CT, USA
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Kalmár T, Jakab D, Maróti Z, Lakatos O, Vas T, Bereczki C, Iványi B. The Apical Endocytic-Lysosomal Apparatus in CLCN5 Mutations with Phenotypic-Genotypic Correlations in Three Cases. Int J Mol Sci 2024; 25:966. [PMID: 38256038 PMCID: PMC10815395 DOI: 10.3390/ijms25020966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
Dent disease type 1 is characterized by pathogenic CLCN5 gene variants and impaired receptor-mediated endocytosis in proximal tubules. However, mutation-related abnormalities in proximal tubules have not yet been described. Here, we present three patients with CLCN5 alterations and distinct morphological changes of the apical endocytic-lysosomal apparatus. The proximal tubular ultrastructure was investigated in kidney biopsy samples of three boys genotyped for non-nephrotic proteinuria. Controls: seven patients with nephrotic-range glomerular proteinuria. The genotyping findings revealed an already-known missense mutation in one patient and hitherto undescribed frameshift variants in two patients. Low-molecular-weight proteinuria, focal global glomerulosclerosis, proximal tubular changes, and tubular calcium deposits characterized each case. Three subsets of proximal tubular cells were observed: those without any abnormality, those with aplasia of apical endocytic-lysosomal apparatus and shrinkage of cells, and those with hypoplasia of apical endocytic apparatus, accumulation of proteinaceous substance in dysmorphic lysosomes, and dysmorphic mitochondria. The distribution of subsets varied from patient to patient. In one patient with a frameshift variant, an oxidative stress-like injury of proximal tubular cells and podocytes accompanied the above-mentioned alterations. Focal aplasia/hypoplasia of apical endocytic apparatus and subsequent changes in cytoplasmic organelles characterized proximal tubules in the CLCN5 pathogenic variants.
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Affiliation(s)
- Tibor Kalmár
- Department of Pediatrics, Albert Szent-Györgyi Medical School and Health Center, University of Szeged, 6720 Szeged, Hungary; (D.J.); (Z.M.); (C.B.)
| | - Dániel Jakab
- Department of Pediatrics, Albert Szent-Györgyi Medical School and Health Center, University of Szeged, 6720 Szeged, Hungary; (D.J.); (Z.M.); (C.B.)
| | - Zoltán Maróti
- Department of Pediatrics, Albert Szent-Györgyi Medical School and Health Center, University of Szeged, 6720 Szeged, Hungary; (D.J.); (Z.M.); (C.B.)
| | - Orsolya Lakatos
- Department of Pediatrics, University of Pécs, 7624 Pécs, Hungary;
| | - Tibor Vas
- Department of Internal Medicine, University of Pécs, 7624 Pécs, Hungary;
| | - Csaba Bereczki
- Department of Pediatrics, Albert Szent-Györgyi Medical School and Health Center, University of Szeged, 6720 Szeged, Hungary; (D.J.); (Z.M.); (C.B.)
| | - Béla Iványi
- Institute of Pathology, Albert Szent-Györgyi Medical School and Health Center, University of Szeged, 6720 Szeged, Hungary;
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45
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Jaikumkao K, Thongnak L, Htun KT, Pengrattanachot N, Phengpol N, Sutthasupha P, Promsan S, Montha N, Sriburee S, Kothan S, Lungkaphin A. Dapagliflozin and metformin in combination ameliorates diabetic nephropathy by suppressing oxidative stress, inflammation, and apoptosis and activating autophagy in diabetic rats. Biochim Biophys Acta Mol Basis Dis 2024; 1870:166912. [PMID: 37816397 DOI: 10.1016/j.bbadis.2023.166912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/04/2023] [Accepted: 10/02/2023] [Indexed: 10/12/2023]
Abstract
Considering the effects of sodium-glucose cotransporter inhibitors and metformin on the kidneys, a combination of both agents is postulated to provide protection against diabetic nephropathy (DN). We examined the potential protective effects of dapagliflozin, metformin, and their combination on kidney injury in rats with type 2 diabetes. Diabetic (DM) rats were administered dapagliflozin (1.0 mg/kg/day), metformin (100 mg/kg/day), or a combination (dapagliflozin 0.5 mg/kg/day plus metformin 50 mg/kg/day) by oral gavage for 4 weeks. Dapagliflozin monotherapy or in combination with metformin was more effective than metformin monotherapy in attenuating renal dysfunction, improving renal organic anion transporter 3 expression, and activating renal autophagy by modulating the AMPK/mTOR/SIRT1 axis in DM rats. Interestingly, dapagliflozin monotherapy exhibited greater efficacy in suppressing renal oxidative stress in DM rats than metformin or the combination treatment. Renal and pancreatic injury scores decreased in all treatment groups. Apoptotic markers were predominantly reduced in dapagliflozin monotherapy and combination treatment groups. The low-dose combination treatment, through synergistic coordination, appeared to modulate oxidative, autophagic, and apoptotic signaling and confer significant renoprotective effects against DM-induced complications. In addition, a low dose of the combination might be beneficial to patients by avoiding the risk of side effects of the medication. Future clinical trials are necessary to study the nephroprotective effects of the combined treatment at a low dosage in patients with diabetes.
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Affiliation(s)
- Krit Jaikumkao
- Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand; Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Laongdao Thongnak
- Princess Srisavangavadhana College of Medicine, Chulabhorn Royal Academy, Bangkok, Thailand
| | - Khin Thandar Htun
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Nattavadee Pengrattanachot
- Renal Transporter and Molecular Signaling Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Nichakorn Phengpol
- Renal Transporter and Molecular Signaling Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Prempree Sutthasupha
- Renal Transporter and Molecular Signaling Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Sasivimon Promsan
- Renal Transporter and Molecular Signaling Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Napatsorn Montha
- Department of Animal and Aquatic Science, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand
| | - Sompong Sriburee
- Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand; Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Suchart Kothan
- Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand; Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Anusorn Lungkaphin
- Renal Transporter and Molecular Signaling Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Functional Foods for Health and Disease, Department of Physiology, Chiang Mai University, Chiang Mai, Thailand; Functional Food Research Center for Well-Being, Multidisciplinary Research Institute, Chiang Mai University, Chiang Mai, Thailand.
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46
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Hu H, Xu W, Li Y, Wang Z, Wang S, Liu Y, Bai M, Lou Y, Yang Q. SIRT1 regulates endoplasmic reticulum stress-related organ damage. Acta Histochem 2024; 126:152134. [PMID: 38237370 DOI: 10.1016/j.acthis.2024.152134] [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: 09/13/2023] [Revised: 01/05/2024] [Accepted: 01/12/2024] [Indexed: 02/07/2024]
Abstract
Endoplasmic reticulum (ER) stress plays a key role in the pathogenesis of several organ damages. Studies show that excessive ER stress (ERS) can destroy cellular homeostasis, causing cell damage and physiological dysfunction in various organs. In recent years, Sirtuin1 (SIRT1) has become a research hotspot on ERS. Increasing evidence suggests that SIRT1 plays a positive role in various ERS-induced organ damage via multiple mechanisms, including inhibiting cellular apoptosis and promoting autophagy. SIRT1 can also alleviate liver, heart, lung, kidney, and intestinal damage by inhibiting ERS. We discuss the possible mechanism of SIRT1, explore potential therapeutic targets of diseases, and provide a theoretical basis for treating ERS-related diseases.
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Affiliation(s)
- He Hu
- Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Weichao Xu
- Department of Gastroenterology, Hebei Provincial Hospital of Traditional Chinese Medicine, Shijiazhuang, China
| | - Yan Li
- Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Zhicheng Wang
- Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Siyue Wang
- Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yansheng Liu
- Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Minan Bai
- Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yingying Lou
- Department of Gastroenterology, Hebei Provincial Hospital of Traditional Chinese Medicine, Shijiazhuang, China.
| | - Qian Yang
- Department of Gastroenterology, Hebei Provincial Hospital of Traditional Chinese Medicine, Shijiazhuang, China
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Wang S, Li M, Liu P, Dong Y, Geng R, Zheng T, Zheng Q, Li B, Ma P. Col1a1 mediates the focal adhesion pathway affecting hearing in miR-29a mouse model by RNA-seq analysis. Exp Gerontol 2024; 185:112349. [PMID: 38103809 DOI: 10.1016/j.exger.2023.112349] [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: 09/27/2023] [Revised: 11/29/2023] [Accepted: 12/13/2023] [Indexed: 12/19/2023]
Abstract
Age-related hearing loss (ARHL) is a common neurodegenerative disease. Its molecular mechanisms have not been fully elucidated. In the present study, we obtained differential mRNA expression in the cochlea of 2-month-old miR-29a+/+ mice and miR-29a-/- mice by RNA-seq. Gene ontology (GO) analysis was used to identify molecular functions associated with hearing in miR-29a-/- mice, including being actin binding (GO: 0003779) and immune processes. We focused on the intersection of differential genes, miR-29a target genes and the sensory perception of sound (GO:0007605) genes, with six mRNA at this intersection, and we selected Col1a1 as our target gene. We validated Col1a1 as the direct target of miR-29a by molecular and cellular experiments. Total 6 pathways involved in Col1a1 were identified by through Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis. We selected the focal adhesion pathway as our target pathway based. Their expression levels in miR-29a-/- mice were verified by qRT-PCR and Western blot. Compared with miR-29a+/+ mice, the expression levels of Col1a1, Itga4, Itga2, Itgb3, Itgb7, Pik3r3 and Ptk2 were different in miR-29a-/- mice. Immunofluorescence was used to locate genes in the cochlea. Col1a1, Itga4 and Itgb3 were differentially expressed in the basilar membranes and stria vascularis and spiral ganglion neurons compared to miR-29a+/+ mice. Pik3r3 and Ptk2 were differentially expressed in the basilar membranes and stria vascularis, but not at the s spiral ganglion neurons compared to miR-29a+/+ mice. Our results show that when miR-29a is knocked out, the Col1a1 mediates the focal adhesion pathway may affect the hearing of miR-29a-/- mice. These findings may provide a new direction for effective treatment of age-related hearing loss.
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Affiliation(s)
- Shuli Wang
- Hearing and Speech Rehabilitation Institute, School of Special Education, Binzhou Medical University, Yantai, China
| | - Mulan Li
- Hearing and Speech Rehabilitation Institute, School of Special Education, Binzhou Medical University, Yantai, China
| | - Pengcheng Liu
- Hearing and Speech Rehabilitation Institute, School of Special Education, Binzhou Medical University, Yantai, China
| | - Yaning Dong
- Hearing and Speech Rehabilitation Institute, School of Special Education, Binzhou Medical University, Yantai, China
| | - Ruishuang Geng
- Hearing and Speech Rehabilitation Institute, School of Special Education, Binzhou Medical University, Yantai, China
| | - Tihua Zheng
- Hearing and Speech Rehabilitation Institute, School of Special Education, Binzhou Medical University, Yantai, China
| | - Qingyin Zheng
- Hearing and Speech Rehabilitation Institute, School of Special Education, Binzhou Medical University, Yantai, China
| | - Bo Li
- Hearing and Speech Rehabilitation Institute, School of Special Education, Binzhou Medical University, Yantai, China.
| | - Peng Ma
- Hearing and Speech Rehabilitation Institute, School of Special Education, Binzhou Medical University, Yantai, China; School of Basic Medicine, Binzhou Medical University, Yantai, China.
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48
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Jiang P, Yao C, Guo DA. Traditional Chinese medicine for the treatment of immune-related nephropathy: A review. Acta Pharm Sin B 2024; 14:38-66. [PMID: 38239236 PMCID: PMC10793104 DOI: 10.1016/j.apsb.2023.11.006] [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: 03/23/2023] [Revised: 09/18/2023] [Accepted: 10/24/2023] [Indexed: 01/22/2024] Open
Abstract
Immune-related nephropathy (IRN) refers to immune-response-mediated glomerulonephritis and is the main cause of end-stage renal failure. The pathogenesis of IRN is not fully understood; therefore, treatment is challenging. Traditional Chinese medicines (TCMs) have potent clinical effects in the treatment of the IRN conditions immunoglobulin A nephropathy, lupus nephropathy, and diabetic nephropathy. The underlying mechanisms mainly include its inhibition of inflammation; improvements to renal interstitial fibrosis, oxidative stress, autophagy, apoptosis; and regulation of immunity. In this review, we summarize the clinical symptoms of the three IRN subtypes and the use of TCM prescriptions, herbs, and bioactive compounds in treating IRN, as well as the potential mechanisms, intending to provide a reference for the future study of TCM as IRN treatments.
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Affiliation(s)
- Pu Jiang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Changliang Yao
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - De-an Guo
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
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Zhou Y, Wu Y, Yuan C, Yin W, Wang B, Ding Y. The expression of autophagy markers in IVIG-resistant Kawasaki disease and the establishment of prediction model. BMC Pediatr 2023; 23:642. [PMID: 38114939 PMCID: PMC10729374 DOI: 10.1186/s12887-023-04386-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 10/26/2023] [Indexed: 12/21/2023] Open
Abstract
BACKGROUND The aim of this study was to find early predictors of Intravenous Immunoglobulin (IVIG)-Resistant Kawasaki Disease. METHODS Patients diagnosed with Kawasaki disease were enrolled in this study. Univariate analysis and multiple logistic regression were used to analyze the clinical characteristics and laboratory findings of patients in both groups before IVIG treatment. Independent predictors of Intravenous Immunoglobulin-Resistant Kawasaki Disease were analyzed, and a prediction model for children with Intravenous Immunoglobulin-Resistant Kawasaki Disease was constructed. RESULTS A total of 108 children (67 males and 41 females) with IVIG-sensitive Kawasaki disease and 31 children (20 males and 11 females) with IVIG-resistant Kawasaki disease participated in this study. Compared with the IVIG-sensitive group, the duration of hospitalization, ALT, AST, GLB, r-GT, IgG, PCT, and ESR was elevated in the IVIG-resistant KD group, and ATG16L1, LC3II, BECN1, RBC, HGB, ALB, A/G, and CK were significantly lower (P < 0.05). mRNA expression of ESR, BECN1, and LC3II were independent risk factors for IVIG-resistant Kawasaki disease. A logistic regression model and scoring system were established, and the cut-off values of independent risk factors were derived from ROC curves: ESR ≥ 79.5 mm/h, BECN1 ≤ 0.645, LC3II ≤ 0.481. A new scoring system was established according to the respective regression coefficients as follows: ESR ≥ 79.5 mm/h (1 point), BECN1 ≤ 0.645 (1 point). LC3II ≤ 0.481 (2 points), 0-1 as low risk for IVIG non-response, and ≥ 2 as high risk. Applied to this group of study subjects, the sensitivity was 87.10%, specificity 83.33%, Youden index 0.70, AUC 0.9. CONCLUSIONS Autophagy markers ATG16L1, BECN1, and LC3II are down-regulated in the expression of IVIG -resistant KD. ESR, BECN1, and LC3II mRNAs are independent risk factors for IVIG-resistant KD and may be involved in the development of IVIG-resistant KD. This study established a new model that can be used to predict IVIG-resistant KD, and future validation in a larger population is needed.
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Affiliation(s)
- Yang Zhou
- Department of Immunology and Infectious Diseases, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, China
| | - Yali Wu
- Department of Immunology and Infectious Diseases, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, China
| | - Chunhui Yuan
- Department of Laboratory Medicine, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, China
| | - Wei Yin
- Department of Immunology and Infectious Diseases, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, China
| | - Baoxiang Wang
- Department of Digestive System, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, China.
| | - Yan Ding
- Department of Immunology and Infectious Diseases, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, China.
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50
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Chang M, Shi X, Ma S, Zhao M, Fan J, Pan Z, Xue S, Zhang Z, Shi Z, Yang B, Zhang Y. Inhibition of excessive autophagy alleviates renal injury and inflammation in a rat model of immunoglobulin A nephropathy. Eur J Pharmacol 2023; 961:176198. [PMID: 37972847 DOI: 10.1016/j.ejphar.2023.176198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 11/09/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023]
Abstract
The pathogenesis of immunoglobulin A nephropathy (IgAN) is closely related to immunity and inflammation. The clinical process of IgAN varies greatly, making the assessment of prognosis challenging and limiting progress on effective treatment measures. Autophagy is an important pathway for the development of IgAN. However, the role of autophagy in IgAN is complex, and the consequences of autophagy may change during disease progression. In the present study, we evaluated the dynamic changes in autophagy during IgAN. Specifically, we examined autophagy in the kidney of a rat model of IgAN at different time points. We found that autophagy was markedly and persistently induced in IgAN rats, and the expression level of inflammation was also persistently elevated. The autophagy enhancer rapamycin and autophagy inhibitor 3-methyladenine were used in this study, and the results showed that 3-methyladenine can alleviate renal injury and inflammation in IgAN rats. Our study provides further evidence for autophagy as a therapeutic target for IgAN.
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Affiliation(s)
- Meiying Chang
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China; Department of Nephrology, The First Hospital of Tsinghua University, Beijing, 100016, China
| | - Xiujie Shi
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Sijia Ma
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Mingming Zhao
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Jiao Fan
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Zhiyu Pan
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Shunxuan Xue
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Ziyan Zhang
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Zhenwei Shi
- Department of Nephrology, The First Hospital of Tsinghua University, Beijing, 100016, China.
| | - Bin Yang
- Department of Pathology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Yu Zhang
- Department of Nephrology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
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