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Effect of IVF-ET on mesenteric vascular function in offspring / 中国药理学通报
Chinese Pharmacological Bulletin ; (12): 1279-1283, 2019.
Article in Chinese | WPRIM | ID: wpr-857155
ABSTRACT
To study the effect of in vitro fertilization-embryo transfer (IVF-ET) on the contractile function of mesenteric vessels in offspring mouse model and its regulatory mechanism. Methods Offspring mouse model of IVF-ET (20 weeks after birth) was built to compare with natural born descendant in vascular regulation. The bodyweight and BMI of mice were measured. Serum levels of cardiovascular related cytokines were tested by ELISA and colorimetric method. Samples of mesenteric vascular were from IVF-ET mice and normal controls. Given the vital function in regulating vascular contraction which Ca2+signaling pathway exhibited , four representative genes (Calm2, Itprl, RyR2, RyR3) were selectedfor study. And the mRNA expression levels of Calm2, Itpr2, RyR2, RyR3 were tested by qPCR. The protein expression levels of Calm2 and Itprl were tested by Western blot. Results Mice born under IVF-ET showed increased bodyweight and abnormal BMI after 20th week, and the serum levels of NO and Ang II were significantly higher than those of control (P < 0. 0 5) . The expression levels of Calm2, Itprl were up-regulated both in molecular and protein levels (P <0. 0 1) , RyR3 was up-regulated in molecular level (P < 0. 01) , while RyR2 was down-regulated in molecular level (P < 0. 0 1) . Conclusions The changes of serological markers and regulatory gene expression level related to vasoconstriction function may be closely related to the increased risk of cardiovascular diseases in IVF-ET offspring.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Pharmacological Bulletin Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Pharmacological Bulletin Year: 2019 Type: Article