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- Title
Transcriptomic and proteomic pathways of diabetic and non-diabetic mitochondrial transplantation.
- Authors
Doulamis, Ilias P.; Nomoto, Rio S.; Tzani, Aspasia; Hong, Xuechong; Duignan, Thomas; Celik, Aybuke; del Nido, Pedro J.; McCully, James D.
- Abstract
Reduced mitochondrial function increases myocardial susceptibility to ischemia–reperfusion injury (IRI) in diabetic hearts. Mitochondrial transplantation (MT) ameliorates IRI, however, the cardioprotective effects of MT may be limited using diabetic mitochondria. Zucker Diabetic Fatty (ZDF) rats were subjected to temporary myocardial RI and then received either vehicle alone or vehicle containing mitochondria isolated from either diabetic ZDF or non-diabetic Zucker lean (ZL) rats. The ZDF rats were allowed to recover for 2 h or 28 days. MT using either ZDF- or ZL-mitochondria provided sustained reduction in infarct size and was associated with overlapping upregulation of pathways associated with muscle contraction, development, organization, and anti-apoptosis. MT using either ZDF- or ZL-mitochondria also significantly preserved myocardial function, however, ZL- mitochondria provided a more robust long-term preservation of myocardial function through the mitochondria dependent upregulation of pathways for cardiac and muscle metabolism and development. MT using either diabetic or non-diabetic mitochondria decreased infarct size and preserved functional recovery, however, the cardioprotection afforded by MT was attenuated in hearts receiving diabetic compared to non-diabetic MT.
- Subjects
MYOCARDIUM; MITOCHONDRIA; TRANSCRIPTOMES; MYOCARDIAL reperfusion; HEART metabolism; PROTEOMICS
- Publication
Scientific Reports, 2022, Vol 12, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-022-25858-z