期刊
BIOMEDICINE & PHARMACOTHERAPY
卷 153, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2022.113422
关键词
Cystitis; HCL; SVF; ADSCs; Stem cells; Rat
This study investigated the therapeutic potential of stromal vascular fraction (SVF) and adipose-derived stem cells (ADSCs) in a rat model of hydrogen chloride (HCL)-induced interstitial cystitis (IC). The results showed that injecting SVF or ADSCs into the IC bladder significantly reduced mast cell infiltration, T-cell activation, and fibrosis.
Interstitial cystitis (IC) is an incurable chronic disease. The etiology of IC is unclear, and no effective therapies have been established. Here, using a hydrogen chloride (HCL)-induced IC in a rat model, the therapeutic potency of stromal vascular fraction (SVF) and Adipose-derived stem cells (ADSCs) was studied. Thirty-six female Sprague Dawley rats were divided into four groups: the sham, HCL, (HCL+SVF) group, and (HCL+ADSCs) group (9 for each). Cystitis was induced by transurethral instillation of HCL, while PBS was used for the sham group. A single dose of SVF or ADSCs was injected into the submucosa of the rat bladder in HCL-induced IC groups. The bladder tissues were analyzed for Toluidine Blue, Masson Trichrome, CD3, and CD34 to evaluate mast cell activation, fibrosis, inflammatory cells, and bladder regeneration, respectively. Compared to HCL-induced IC, SVF or ADSCs injection into IC bladder dramatically decreased mast cell infiltration, T-cell activation, and fibrosis. Taken together, administration of SVF cells or cultured ADSCs improves the histopathological outcomes of HCL-induced bladder injury in a time-dependent manner. Of note, SVF injection into the bladder submucosa was estimated to have the most potent therapeutic efficacy and may represent an essential component in future clinical applications.
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