G protein-coupled estrogen receptor is involved in modulating colonic motor function via nitric oxide release in C57BL/6 female mice

2015 ◽  
Vol 28 (3) ◽  
pp. 432-442 ◽  
Author(s):  
Y. Li ◽  
J. Xu ◽  
F. Jiang ◽  
Z. Jiang ◽  
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...  
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Min Liu ◽  
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2020 ◽  
Vol 34 (S1) ◽  
pp. 1-1
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Benard Ojwang Ogola ◽  
Margaret A. Zimmerman ◽  
Nicholas R. Harris ◽  
Isabella Kilanowski-Doroh ◽  
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...  

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Ginger Guthrie ◽  
Rawan Almutlaq ◽  
Maryam Butt ◽  
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Eman Gohar

2012 ◽  
Vol 26 (S1) ◽  
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Matthias R. Meyer ◽  
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Eric R. Prossnitz

2021 ◽  
Vol 12 ◽  
Author(s):  
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Jipeng Ma ◽  
Shuaishuai Zhang ◽  
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...  

The incidence of cardiovascular diseases was significantly increased in postmenopausal women. The protection of estrogen in the cardiovascular system has been further reported for decades. Although menopausal hormone therapy has been used in many clinical trials, the debatable results indicate that the studies for elucidating the precise molecular mechanism are urgently required. G protein–coupled estrogen receptor 30 (GPR30) is a membrane receptor of estrogen and displays protective roles in diverse cardiovascular diseases. Previous studies have revealed that ERK1/2-mediated MMP-9 signaling was involved in ischemic heart diseases. However, the role of ERK1/2-mediated MMP-9 signaling in the protection of GPR30 against cardiac hypertrophy in aged female mice has not been investigated. Our present study demonstrated that GPR30 overexpression and its agonist G1 co-administration reduced transverse aortic constriction–induced myocardial fibrosis and preserved cardiac function in aged female mice. MMP-9 expression was markedly increased via ERK1/2 phosphorylation in transverse aortic constriction–injured myocardium of aged female mice. Further results showed that GPR30/G1 activation decreased MMP-9 expression via ERK1/2 inhibition, which further reduced TGF-β1 expression. Inhibition of the ERK1/2 signaling pathway by its inhibitor PD98059 suppressed the induction of the cardiomyocyte MMP-9 level caused by the GRP30 antagonist G15 and inhibited TGF-β1 expression in cardiac fibroblast in vitro. In summary, our results from in vivo and in vitro studies indicated that GPR30 activation inhibited myocardial fibrosis and preserved cardiac function via inhibiting ERK-mediated MMP-9 expression. Thus, the present study may provide the novel drug targets for prevention and treatment of cardiac pathological hypertrophy in postmenopausal women.


2017 ◽  
Vol 77 ◽  
pp. 131-140 ◽  
Author(s):  
Jennifer Lymer ◽  
Alana Robinson ◽  
Boyer D. Winters ◽  
Elena Choleris

2020 ◽  
Vol 22 (6) ◽  
Author(s):  
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Anderson P. N. Santos ◽  
Gabriella F. Ferreira ◽  
...  

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