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Vogt J, Wolf L, Hoelzle LE, Feger M, Föller M. AMP-dependent kinase stimulates the expression of αKlotho. FEBS Open Bio 2024. [PMID: 39090792 DOI: 10.1002/2211-5463.13872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 06/14/2024] [Accepted: 07/17/2024] [Indexed: 08/04/2024] Open
Abstract
Renal αKlotho along with fibroblast growth factor 23 regulates phosphate and vitamin D metabolism. Its cleavage yields soluble Klotho controlling intracellular processes. αKlotho has anti-inflammatory and antioxidant effects and is nephro- and cardioprotective. AMP-dependent kinase (AMPK) is a nephro- and cardioprotective energy sensor. Given that both αKlotho and AMPK have beneficial effects in similar organs, we studied whether AMPK regulates αKlotho gene expression in Madin-Darby canine kidney, normal rat kidney 52E, and human kidney 2 cells. Using quantitative real-time PCR and western blotting, we measured αKlotho expression upon pharmacological manipulation or siRNA-mediated knockdown of AMPKα. AMPK activator 5-aminoimidazole-4-carboxamide ribonucleoside (AICAR) enhanced αKlotho expression, an effect reduced in the presence of AMPK inhibitor compound C or siRNA targeting AMPK catalytic α-subunits (α1 and α2). Similarly, AMPK activators metformin and phenformin upregulated αKlotho transcripts. Taken together, our results suggest that AMPK is a powerful inducer of αKlotho and could thereby contribute to the development of future therapeutic interventions.
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Affiliation(s)
- Julia Vogt
- Department of Physiology, University of Hohenheim, Stuttgart, Germany
| | - Lisa Wolf
- Department of Physiology, University of Hohenheim, Stuttgart, Germany
| | - Ludwig E Hoelzle
- Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Martina Feger
- Department of Physiology, University of Hohenheim, Stuttgart, Germany
| | - Michael Föller
- Department of Physiology, University of Hohenheim, Stuttgart, Germany
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Hu T, Zou HX, Zhang ZY, Wang YC, Hu FJ, Huang WX, Liu JC, Lai SQ, Huang H. Resveratrol protects cardiomyocytes against ischemia/reperfusion-induced ferroptosis via inhibition of the VDAC1/GPX4 pathway. Eur J Pharmacol 2024; 971:176524. [PMID: 38561102 DOI: 10.1016/j.ejphar.2024.176524] [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: 03/07/2024] [Accepted: 03/21/2024] [Indexed: 04/04/2024]
Abstract
The present study aimed to explore how resveratrol (Res) confers myocardial protection by attenuating ferroptosis. In vivo and in vitro myocardial ischemia/reperfusion injury (MIRI) models were established, with or without Res pretreatment. The results showed that Res pretreatment effectively attenuated MIRI, as evidenced by increased cell viability, reduced lactate dehydrogenase activity, decreased infarct size, and maintained cardiac function. Moreover, Res pretreatment inhibited MIRI-induced ferroptosis, as shown by improved mitochondrial integrity, increased glutathione level, decreased prostaglandin-endoperoxide synthase 2 level, inhibited iron overload, and abnormal lipid peroxidation. Of note, Res pretreatment decreased or increased voltage-dependent anion channel 1/glutathione peroxidase 4 (VDAC1/GPX4) expression, which was increased or decreased via anoxia/reoxygenation (A/R) treatment, respectively. However, the overexpression of VDAC1 via pAd/VDAC1 and knockdown of GPX4 through Si-GPX4 reversed the protective effect of Res in A/R-induced H9c2 cells, whereas the inhibition of GPX4 with RSL3 abolished the protective effect of Res on mice treated with ischemia/reperfusion.Interestingly, knockdown of VDAC1 by Si-VDAC1 promoted the protective effect of Res on A/R-induced H9c2 cells and the regulation of GPX4. Finally, the direct interaction between VDAC1 and GPX4 was determined using co-immunoprecipitation. In conclusion, Res pretreatment could protect the myocardium against MIRI-induced ferroptosis via the VDAC1/GPX4 signaling pathway.
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Affiliation(s)
- Tie Hu
- Department of Cardiovascular Surgery, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China; Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Hua-Xi Zou
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Ze-Yu Zhang
- Institute of Nanchang University Trauma Medicine, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330000, Nanchang, China
| | - Yi-Cheng Wang
- Department of Cardiovascular Surgery, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Fa-Jia Hu
- Department of Cardiovascular Surgery, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China; Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Wen-Xiong Huang
- Department of Cardiovascular Surgery, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Ji-Chun Liu
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Song-Qing Lai
- Department of Cardiovascular Surgery, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China.
| | - Huang Huang
- Department of Cardiovascular Surgery, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China.
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Ai Y, He M, Wan C, Luo H, Xin H, Wang Y, Liang Q. Nanoplatform‐Based Reactive Oxygen Species Scavengers for Therapy of Ischemia‐Reperfusion Injury. ADVANCED THERAPEUTICS 2022. [DOI: 10.1002/adtp.202200066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yongjian Ai
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology Tsinghua University‐Peking University Joint Centre for Life Sciences Beijing Key Lab of Microanalytical Methods & Instrumentation Department of Chemistry Center for Synthetic and Systems Biology Tsinghua University Beijing 100084 P. R. China
| | - Meng‐Qi He
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology Tsinghua University‐Peking University Joint Centre for Life Sciences Beijing Key Lab of Microanalytical Methods & Instrumentation Department of Chemistry Center for Synthetic and Systems Biology Tsinghua University Beijing 100084 P. R. China
| | - Chengxian Wan
- Jiangxi Provincial People's Hospital The First Affiliated Hospital of Nanchang Medical College The Affiliated People's Hospital of Nanchang University Nanchang Jiangxi 330006 P. R. China
| | - Hua Luo
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences University of Macau Macau SAR 999078 China
| | - Hongbo Xin
- The National Engineering Research Center for Bioengineering Drugs and the Technologies Institute of Translational Medicine Nanchang University Nanchang Jiangxi 330088 P. R. China
| | - Yitao Wang
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences University of Macau Macau SAR 999078 China
| | - Qionglin Liang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology Tsinghua University‐Peking University Joint Centre for Life Sciences Beijing Key Lab of Microanalytical Methods & Instrumentation Department of Chemistry Center for Synthetic and Systems Biology Tsinghua University Beijing 100084 P. R. China
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Tyurenkov IN, Perfilova VN, Nesterova AA, Glinka Y. Klotho Protein and Cardio-Vascular System. BIOCHEMISTRY (MOSCOW) 2021; 86:132-145. [PMID: 33832412 DOI: 10.1134/s0006297921020024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Klotho protein affects a number of metabolic pathways essential for pathogenesis of cardio-vascular diseases and their prevention. It inhibits lipid peroxidation and inflammation, as well as prevents endothelial injury and calcification of blood vessels. Klotho decreases rigidity of blood vessels and suppresses development of the heart fibrosis. Low level of its expression is associated with a number of diseases. Cardioprotective effect of klotho is based on its ability to interact with multiple receptors and ion channels. Being a pleiotropic protein, klotho could be a useful target for therapeutic intervention in the treatment of cardio-vascular diseases. In this review we present data on pharmaceuticals that stimulate klotho expression and suggest some promising research directions.
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Affiliation(s)
- Ivan N Tyurenkov
- Volgograd State Medical University, Ministry of Health of the Russian Federation, Volgograd, 400066, Russia
| | - Valentina N Perfilova
- Volgograd State Medical University, Ministry of Health of the Russian Federation, Volgograd, 400066, Russia.
| | - Alla A Nesterova
- Pyatigorsk Medical and Pharmaceutical Institute, Branch of the Volgograd State Medical University, Ministry of Health of the Russian Federation, Pyatigorsk, 357500, Russia
| | - Yelena Glinka
- Keenan Research Centre, St. Michael's Hospital, Toronto, ON M5B 1W8, Canada
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Panah F, Ghorbanihaghjo A, Argani H, Asadi Zarmehri M, Nazari Soltan Ahmad S. Ischemic acute kidney injury and klotho in renal transplantation. Clin Biochem 2018; 55:3-8. [PMID: 29608890 DOI: 10.1016/j.clinbiochem.2018.03.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 03/18/2018] [Accepted: 03/29/2018] [Indexed: 12/11/2022]
Abstract
Post-transplant ischemic acute kidney injury (AKI), secondary to ischemia reperfusion injury (IRI), is a major problem influencing on the short and long term graft and patient survival. Many molecular and cellular modifications are observed during IRI, for example, tissue damage result production of reactive oxygen species (ROS), cytokines, chemokines, and leukocytes recruitment which are activated by NF-κB (nuclear factor kappa B) signaling pathway. Therefore, inhibiting these processes can significantly protect renal parenchyma from tissue damage. Klotho protein, mainly produced in distal convoluted tubules (DCT), is an anti-senescence protein. There is increasing evidence to confirm a relationship between Klotho levels and renal allograft function. Many studies have also demonstrated that expression of the Klotho gene would be down regulated with IRI, so it will be used as an early biomarker for acute kidney injury after renal transplantation. Other studies suggest that Klotho may have a renoprotective effect for attenuating of kidney injury. In this review, we will discuss pathophysiology of IRI-induced acute kidney injury and its relation with klotho level in renal transplantation procedure.
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Affiliation(s)
- Fatemeh Panah
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Ghorbanihaghjo
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Hassan Argani
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Asadi Zarmehri
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Nazari Soltan Ahmad
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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