Activation of Nrf2 Signaling by Apelin Attenuates Renal Ischemia Reperfusion Injury in Diabetic Rats

Xiaobo Zhang, Ying Zhu, Ying Zhou, Bingru Fei Nephrology Department, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Huaian, Jiangsu Province 223300, People’s Republic of ChinaCorrespondence: Xiaobo ZhangThe Affiliated Huaian No. 1 People’s...

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Autores principales:	Zhang X, Zhu Y, Zhou Y, Fei B
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2020
Materias:	renal ischemia/reperfusion injury diabetes apelin nrf2 signaling. Specialties of internal medicine RC581-951
Acceso en línea:	https://doaj.org/article/76355c5bc41349a583e8292f8cc2c971
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spelling	oai:doaj.org-article:76355c5bc41349a583e8292f8cc2c9712021-12-02T10:22:51ZActivation of Nrf2 Signaling by Apelin Attenuates Renal Ischemia Reperfusion Injury in Diabetic Rats1178-7007https://doaj.org/article/76355c5bc41349a583e8292f8cc2c9712020-06-01T00:00:00Zhttps://www.dovepress.com/activation-of-nrf2-signaling-by-apelin-attenuates-renal-ischemia-reper-peer-reviewed-article-DMSOhttps://doaj.org/toc/1178-7007Xiaobo Zhang, Ying Zhu, Ying Zhou, Bingru Fei Nephrology Department, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Huaian, Jiangsu Province 223300, People’s Republic of ChinaCorrespondence: Xiaobo ZhangThe Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Number 1 Huanghe Xi Lu, Huaiyin District, Huaian, Jiangsu Province 223300, People’s Republic of ChinaEmail zhangxiaobo2020@yeah.netObjective: Renal ischemia/reperfusion (I/R) injury is commonly seen in diabetic patients. Apelin has been demonstrated to protect against renal I/R injury, whereas detailed modulatory mechanisms by which Apelin exerts its role in renal I/R injury in diabetic patients remain unclarified. This research aimed to probe the functional molecules under the regulation of Apelin in renal I/R injury in diabetic rats.Materials and Methods: First, animal models were established for subsequent assays. Biochemical kits measured the serum levels of blood urea nitrogen (BUN) and serum creatinine (SCR), and hematoxylin and eosin (H&E) staining examined the histopathological changes of kidney tissues. Inflammatory factors containing tumor necrosis factor alpha (TNF-α), interleukin 1β (IL-1β), interleukin 6 (IL-6) and monocyte chemoattractant protein-1 (MCP-1) were tested through enzyme-linked immunosorbent assay (ELISA) and reverse transcription-quantitative polymerase chain reaction (RT-qPCR), respectively. Reactive oxygen species (ROS) levels in the serum and kidney tissues were separately assessed by specific ROS kits. Cell apoptosis was further estimated through terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) and Western blot analysis. Eventually, the influences of Apelin on nuclear factor erythroid 2-related factor (Nrf2) and its downstream genes were explored via Western blot analysis and immunohistochemistry (IHC).Results: In the present study, Apelin ameliorated the damage to renal function and histological structure, decreased levels of inflammatory factors and ROS, and hampered cell apoptosis in renal I/R injury of diabetic rats. Moreover, Apelin could elevate the levels of Nrf2 and downstream genes which were decreased under renal I/R injury.Conclusion: These data indicated that Apelin inhibited renal I/R injury through regulating Nrf2 signaling in diabetic rats, which might shed new light on the treatment of renal I/R injury in diabetic patients.Keywords: renal ischemia/reperfusion injury, diabetes, Apelin, Nrf2 signalingZhang XZhu YZhou YFei BDove Medical Pressarticlerenal ischemia/reperfusion injurydiabetesapelinnrf2 signaling.Specialties of internal medicineRC581-951ENDiabetes, Metabolic Syndrome and Obesity: Targets and Therapy, Vol Volume 13, Pp 2169-2177 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	renal ischemia/reperfusion injury diabetes apelin nrf2 signaling. Specialties of internal medicine RC581-951
spellingShingle	renal ischemia/reperfusion injury diabetes apelin nrf2 signaling. Specialties of internal medicine RC581-951 Zhang X Zhu Y Zhou Y Fei B Activation of Nrf2 Signaling by Apelin Attenuates Renal Ischemia Reperfusion Injury in Diabetic Rats
description	Xiaobo Zhang, Ying Zhu, Ying Zhou, Bingru Fei Nephrology Department, The Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Huaian, Jiangsu Province 223300, People’s Republic of ChinaCorrespondence: Xiaobo ZhangThe Affiliated Huaian No. 1 People’s Hospital of Nanjing Medical University, Number 1 Huanghe Xi Lu, Huaiyin District, Huaian, Jiangsu Province 223300, People’s Republic of ChinaEmail zhangxiaobo2020@yeah.netObjective: Renal ischemia/reperfusion (I/R) injury is commonly seen in diabetic patients. Apelin has been demonstrated to protect against renal I/R injury, whereas detailed modulatory mechanisms by which Apelin exerts its role in renal I/R injury in diabetic patients remain unclarified. This research aimed to probe the functional molecules under the regulation of Apelin in renal I/R injury in diabetic rats.Materials and Methods: First, animal models were established for subsequent assays. Biochemical kits measured the serum levels of blood urea nitrogen (BUN) and serum creatinine (SCR), and hematoxylin and eosin (H&E) staining examined the histopathological changes of kidney tissues. Inflammatory factors containing tumor necrosis factor alpha (TNF-α), interleukin 1β (IL-1β), interleukin 6 (IL-6) and monocyte chemoattractant protein-1 (MCP-1) were tested through enzyme-linked immunosorbent assay (ELISA) and reverse transcription-quantitative polymerase chain reaction (RT-qPCR), respectively. Reactive oxygen species (ROS) levels in the serum and kidney tissues were separately assessed by specific ROS kits. Cell apoptosis was further estimated through terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) and Western blot analysis. Eventually, the influences of Apelin on nuclear factor erythroid 2-related factor (Nrf2) and its downstream genes were explored via Western blot analysis and immunohistochemistry (IHC).Results: In the present study, Apelin ameliorated the damage to renal function and histological structure, decreased levels of inflammatory factors and ROS, and hampered cell apoptosis in renal I/R injury of diabetic rats. Moreover, Apelin could elevate the levels of Nrf2 and downstream genes which were decreased under renal I/R injury.Conclusion: These data indicated that Apelin inhibited renal I/R injury through regulating Nrf2 signaling in diabetic rats, which might shed new light on the treatment of renal I/R injury in diabetic patients.Keywords: renal ischemia/reperfusion injury, diabetes, Apelin, Nrf2 signaling
format	article
author	Zhang X Zhu Y Zhou Y Fei B
author_facet	Zhang X Zhu Y Zhou Y Fei B
author_sort	Zhang X
title	Activation of Nrf2 Signaling by Apelin Attenuates Renal Ischemia Reperfusion Injury in Diabetic Rats
title_short	Activation of Nrf2 Signaling by Apelin Attenuates Renal Ischemia Reperfusion Injury in Diabetic Rats
title_full	Activation of Nrf2 Signaling by Apelin Attenuates Renal Ischemia Reperfusion Injury in Diabetic Rats
title_fullStr	Activation of Nrf2 Signaling by Apelin Attenuates Renal Ischemia Reperfusion Injury in Diabetic Rats
title_full_unstemmed	Activation of Nrf2 Signaling by Apelin Attenuates Renal Ischemia Reperfusion Injury in Diabetic Rats
title_sort	activation of nrf2 signaling by apelin attenuates renal ischemia reperfusion injury in diabetic rats
publisher	Dove Medical Press
publishDate	2020
url	https://doaj.org/article/76355c5bc41349a583e8292f8cc2c971
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_version_	1718397350383190016

Activation of Nrf2 Signaling by Apelin Attenuates Renal Ischemia Reperfusion Injury in Diabetic Rats

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