Evaluation of the In Vitro Damage Caused by Lipid Factors on Stem Cells from a Female Rat Model of Type 2 Diabetes/Obesity and Stress Urinary Incontinence

Дата публикации: 05-10-2026 00:00:00

Human stem cell therapy for type 2 diabetes/obesity (T2D/O) complications is performedwith stem cell autografts, exposed to the noxious T2D/O milieu, often with suboptimal results.We showed in the Obese Zucker (OZ) rat model of T2D/O that when their muscle-derived stemcells (MDSC) were from long-term T2D/O male rats, their repair ecacy for erectile dysfunctionwas impaired and were imprinted with abnormal gene- and miR-global transcriptional signatures(GTS). The damage was reproduced in vitro by short-term exposure of normal MDSC to dyslipidemicserum, causing altered miR-GTS, fat infiltration, apoptosis, impaired scratch healing, and myostatinoverexpression. Similar in vitro alterations occurred with their normal counterparts (ZF4-SC) fromthe T2D/O rat model for female stress urinary incontinence, and with ZL4-SC from non-T2D/O leanfemale rats. In the current work we studied the in vitro eects of cholesterol and Na palmitate aslipid factors on ZF4-SC and ZL4-SC. A damage partially...

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