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Stamina-Enhancing Effects of Human Adipose-Derived Stem Cells.

ABSTRACT: Stamina-enhancing effects of human adipose derived stem cells (hADSCs) were investigated in young Sprague-Dawley rats. Ten-day-old male rats were transplanted intravenously (IV) or intracerebroventricularly (ICV) with hADSCs (1 × 10⁶ cells/rat), and physical activity was measured by locomotor activity and rota-rod performance at post-natal day (PND) 14, 20, 30, and 40, as well as a forced swimming test at PND 41. hADSCs injection increased the moving time in locomotor activity, the latency in rota-rod performance, and the maximum swimming time. For the improvement of physical activity, ICV transplantation was superior to IV injection. In biochemical analyses, ICV transplantation of hADSCs markedly reduced serum creatine phosphokinase, lactate dehydrogenase, alanine transaminase, and muscular lipid peroxidation, the markers for muscular and hepatic injuries, despite the reduction in muscular glycogen and serum triglycerides as energy sources. Notably, hADSCs secreted brain-derived neurotrophic factor (BDNF) and nerve growth factor in vitro, and increased the level of BDNF in the brain and muscles in vivo. The results indicate that hADSCs enhance physical activity including stamina not only by attenuating tissue injury, but also by strengthening the muscles via production of BDNF.

SUBMITTER: Yoon EJ

PROVIDER: S-EPMC8323423 | biostudies-literature | 2021 Jan-Dec

REPOSITORIES: biostudies-literature

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Stamina-Enhancing Effects of Human Adipose-Derived Stem Cells.

Yoon Eun-Jung EJ Seong Hye Rim HR Kyung Jangbeen J Kim Dajeong D Park Sangryong S Choi Ehn-Kyoung EK Kim Yun-Bae YB Park Dongsun D

Cell transplantation 20210101

Stamina-enhancing effects of human adipose derived stem cells (hADSCs) were investigated in young Sprague-Dawley rats. Ten-day-old male rats were transplanted intravenously (IV) or intracerebroventricularly (ICV) with hADSCs (1 × 10<sup>6</sup> cells/rat), and physical activity was measured by locomotor activity and rota-rod performance at post-natal day (PND) 14, 20, 30, and 40, as well as a forced swimming test at PND 41. hADSCs injection increased the moving time in locomotor activity, the la ...[more]

PMID: 34318707

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Project description:This study was designed to provide evidence of the neuroprotective of human adipose-derived mesenchymal stem cells (hADSCs) in oxygen-induced retinopathy (OIR). In vivo, hADSCs were intravitreally injected into OIR mice. Various assessments, including HE (histological evaluation), TUNEL (terminal deoxynucleotidyl transferase dUTP nick end labeling) staining, electroretinogram (ERG) analysis, and retinal flat-mount examination, were performed separately at postnatal days 15 (P15) and 17 (P17) to evaluate neurological damage and functional changes. Western blot analysis of ciliary neurotrophic factor (CNTF), glial cell line-derived neurotrophic factor (GDNF), and brain-derived neurotrophic factor (BDNF) was conducted at P17 to elucidate the neuroprotective mechanism. The P17 OIR group exhibited a significant increase in vascular endothelial cell nuclei and neovascularization that breached the ILM (inner limiting membrane) to the P17 control group. In addition, the retinal nonperfusion areas in the P17 OIR group and the number of apoptotic retinal cells in the P15 OIR group were significantly higher than in the corresponding hADSCs treatment group and control group. There was no significant thickness change in the inner nuclear layer (INL) but the outer nuclear layer (ONL) in the P17 OIR treatment group compared with the P17 OIR group. The cell density in the INL and ONL at P17 in the hADSCs treatment group was not significantly different from the OIR group. The amplitude of a-wave and b-wave in scotopic ERG analysis for the P17 OIR group was significantly lower than in the P17 hADSCs treatment group and the P17 control group. Furthermore, the latency of the a-wave and b-wave in the P17 OIR group was significantly longer than in the P17 hADSCs treatment group and the P17 control group. In addition, the expression levels of CNTF and BDNF in the P17 OIR group were statistically higher than those in the P17 control group, whereas the expression of GDNF was statistically lower in the P17 OIR group, compared with the P17 control group. The expression of CNTF and GDNF in the P17 hADSCs treatment group was statistically higher than in the P17 OIR group. However, the expression of BDNF in the P17 hADSCs treatment group was statistically lower than in the P17 OIR group. This study provides evidence for the neuroprotective effects of hADSCs in OIR.

Dataset Information

Stamina-Enhancing Effects of Human Adipose-Derived Stem Cells.

Publications

Stamina-Enhancing Effects of Human Adipose-Derived Stem Cells.

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