Calcium-activated chloride channels anoctamin 1 and 2 promote murine uterine smooth muscle contractility.
Calcium-activated chloride channels anoctamin 1 and 2 promote murine uterine smooth muscle contractility.
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DOI:
10.1016/j.ajog.2014.06.018
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发表时间:
2014-12
影响因子:
9.8
通讯作者:
Gallos, George
中科院分区:
文献类型:
--
作者:
Bernstein, Kyra;Vink, Joy Y.;Fu, Xiao Wen;Wakita, Hiromi;Danielsson, Jennifer;Wapner, Ronald;Gallos, George
To determine the presence of calcium activated chloride channels anoctamin 1 and 2 in human and murine uterine smooth muscle and evaluate the physiologic role for these ion channels in murine myometrial contractility. We performed reverse transcription polymerase chain reaction to determine if anoctamin 1 and 2 are expressed in human and murine uterine tissue to validate the study of this protein in mouse models. Immunohistochemical staining of anoctamin 1 and 2 was then performed to determine protein expression in murine myometrial tissue. The function of anoctamin 1 and 2 in murine uterine tissue was evaluated using electrophysiological studies, organ bath, and calcium flux experiments. Anoctamin 1 and 2 are expressed in human and murine USM cells. Functional studies show that selective antagonism of these channels promotes relaxation of spontaneous murine uterine smooth muscle contractions. Blockade of anoctamin 1 and 2 inhibits both agonist-induced and spontaneous transient inward currents and abolishes G-protein coupled receptor (oxytocin) mediated elevations in intracellular calcium. The calcium activated chloride channels ANO 1 and 2 are present in human and murine myometrial tissue and may provide novel potential therapeutic targets to achieve effective tocolysis.
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DOI:
10.1136/bmj.e6226
发表时间:
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期刊:
BMJ (Clinical research ed.)
影响因子:
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发表时间:
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期刊:
Methods in molecular biology (Clifton, N.J.)
影响因子:
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作者:
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DOI:
10.1085/jgp.200609507
发表时间:
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期刊:
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影响因子:
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