Protective effects of a mitochondria-targeted small peptide SS31 against hyperglycemia-induced mitochondrial abnormalities in the liver tissues of diabetic mice, Tallyho/JngJ mice

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dc.contributor.authorBhatti, Jasvinder Singh
dc.contributor.authorTamarai, Kavya
dc.contributor.authorKandimalla, Ramesh
dc.contributor.authorManczak, Maria
dc.contributor.authorYin, Xiangling
dc.contributor.authorRamasubramanian, Bhagavathi
dc.contributor.authorSawant, Neha
dc.contributor.authorPradeepkiran, Jangampalli Adi
dc.contributor.authorVijayan, Murali
dc.contributor.authorKumar, Subodh
dc.contributor.authorReddy, P. Hemachandra
dc.date.accessioned2024-01-21T10:53:59Z
dc.date.accessioned2024-08-14T07:40:45Z
dc.date.available2024-01-21T10:53:59Z
dc.date.available2024-08-14T07:40:45Z
dc.date.issued2021-02-25T00:00:00
dc.description.abstractType 2 Diabetes mellitus (T2DM) has become a major public health issue associated with a high risk of late-onset Alzheimer's disease (LOAD). Mitochondrial dysfunction is one of the molecular events that occur in the LOAD pathophysiology. The present study was planned to investigate the molecular alterations induced by hyperglycemia in the mitochondria of diabetic mice and further explore the possible ameliorative role of the mitochondria-targeted small peptide, SS31 in diabetic mice. For this purpose, we used a polygenic mouse model of type 2 diabetes, TALLYHO/JngJ (TH), and nondiabetic, SWR/J mice strains. The diabetic status in TH mice was confirmed at 8 weeks of age. The 24 weeks old experimental animals were segregated into three groups: Non-diabetic controls (SWR/J mice), diabetic (TH mice) and, SS31 treated diabetic TH mice. The mRNA and protein expression levels of mitochondrial proteins were investigated in all the study groups in the liver tissues using qPCR and immunoblot analysis. Also, the mitochondrial functions including H2O2 production, ATP generation, and lipid peroxidation were assessed in all the groups. Mitochondrial dysfunction was observed in TH mice as evident by significantly elevated H2O2 production, lipid peroxidation, and reduced ATP production. The mRNA expression and Western blot analysis of mitochondrial dynamics (Drp1 and Fis1 � fission; Mfn1, Mfn2, and Opa1 -fusion), and biogenesis (PGC-1?, Nrf1, Nrf2, and TFAM) genes were significantly altered in diabetic TH mice. Furthermore, SS31 treatment significantly reduced the mitochondrial abnormalities and restore mitochondrial functions in diabetic TH mice. � 2019 Elsevier B.V. and Mitochondria Research Society. All rights reserved.en_US
dc.identifier.doi10.1016/j.mito.2021.02.007
dc.identifier.issn15677249
dc.identifier.urihttp://10.2.3.109/handle/32116/4176
dc.identifier.urlhttps://linkinghub.elsevier.com/retrieve/pii/S1567724921000143
dc.language.isoen_USen_US
dc.publisherElsevier B.V.en_US
dc.subjectATPen_US
dc.subjectBiogenesisen_US
dc.subjectLiver tissueen_US
dc.subjectMitochondrial dynamicsen_US
dc.subjectOxidative stressen_US
dc.subjectType 2 diabetesen_US
dc.titleProtective effects of a mitochondria-targeted small peptide SS31 against hyperglycemia-induced mitochondrial abnormalities in the liver tissues of diabetic mice, Tallyho/JngJ miceen_US
dc.title.journalMitochondrionen_US
dc.typeArticleen_US
dc.type.accesstypeClosed Accessen_US

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