Effects of smoking on the tissue regeneration-associated functions of human endometrial stem cells via a novel target gene SERPINB2

被引:2
|
作者
Park, Se-Ra [1 ,2 ]
Kim, Seong-Kwan [1 ,2 ]
Kim, Soo-Rim [1 ,2 ]
Yu, Wook-Joon [3 ]
Lee, Seung-Jin [3 ]
Lee, Hwa-Yong [4 ]
机构
[1] Gachon Univ, GAIHST, Dept Hlth Sci & Technol, Incheon 21999, South Korea
[2] Gachon Univ, Sch Med, Dept Mol Med, Incheon 406840, South Korea
[3] Korea Inst Toxicol, Dev & Reproductivoxicol Res Grp, Deajeon 34114, South Korea
[4] Kangwon Natl Univ, Div Sci Educ, Chunchon 24341, South Korea
基金
新加坡国家研究基金会;
关键词
Smoking; Endometrium; Stem cells; Infertility; Self-renewal; Multilineage differentiation; Pluripotency; SERPINB2; PROINFLAMMATORY CYTOKINE RELEASE; NF-KAPPA-B; CIGARETTE-SMOKE; PLASMINOGEN-ACTIVATOR; ACETYLCHOLINE-RECEPTOR; EXPRESSION OMNIBUS; OXIDATIVE STRESS; FETAL-GROWTH; NICOTINE; DIFFERENTIATION;
D O I
10.1186/s13287-022-03061-1
中图分类号
Q813 [细胞工程];
学科分类号
摘要
Background: Smokers directly inhale mainstream cigarette smoke, which contains numerous known and potential toxic substances, and thus, smoking is expected to have broad harmful effects that cause tissue injury and dysfunction. Interestingly, many studies have suggested that the recent decline in female fertility and increased rate of spontaneous abortion could be associated with increased smoking rates. Indeed, women that smoked for 10 years or more were reported to have a similar to 20% higher infertility rate than women that had never smoked. However, the reasons for the underlying harmful aspects of smoking on female fertility remain a matter of debate. Importantly, a previous study revealed that resident endometrial stem cell deficiency significantly limits the cyclic regeneration potential of endometrium, which, in turn, decreases successful pregnancy outcomes. In this context, we postulated that exposure to mainstream cigarette smoke extracts might decrease female fertility by inhibiting the functions of resident endometrial stem cells. Methods: We investigated whether cigarette mainstream smoke exposure directly inhibits various tissue regeneration-associated functions of endometrial stem cells, such as self-renewal, migration, pluripotency, and differentiation capacity in vitro. Next, we determined whether SERPINB2 mediates cigarette smoke-induced suppressive effects on various tissue regeneration-associated functions by depleting SERPINB2 expression with specific shRNA targeting SERPINB2. Mice were injected intraperitoneally with low (0.5 mg/kg) or high (1 mg/kg) doses of cigarette smoke extract (10 times for two weeks), and endometrial stem cells were then isolated from mice uterine tissues. Results: We found that exposure to cigarette smoke extracts remarkably suppressed various tissue regeneration-associated functions of endometrial stem cells, such as self-renewal, migration, multilineage differentiation ability, and pluripotency in vitro and in vivo by activating the SERPINB2 gene. Indeed, cigarette smoke-induced inhibitory effects on various endometrial stem cell functions were significantly abolished by SERPINB2 knockdown. Conclusions: These findings provide valuable information on the harmful effects of cigarette smoking on resident endometrial stem cells and hopefully will facilitate the developments of promising therapeutic strategies for subfertile or infertile women that smoke cigarettes.
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页数:20
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