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http://purl.uniprot.org/citations/24928056http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
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Objective

To determine the presence of calcium activated chloride channels anoctamin 1 (ANO1) and 2 (ANO2) in human and murine uterine smooth muscle (MUSM) and evaluate the physiologic role for these ion channels in murine myometrial contractility.

Study design

We performed reverse transcription polymerase chain reaction to determine whether ANO1 and 2 are expressed in human and murine uterine tissue to validate the study of this protein in mouse models. Immunohistochemical staining of ANO1 and 2 was then performed to determine protein expression in murine myometrial tissue. The function of ANO1 and 2 in murine uterine tissue was evaluated using electrophysiologic studies, organ bath, and calcium flux experiments.

Results

ANO1 and 2 are expressed in human and MUSM cells. Functional studies show that selective antagonism of these channels promotes relaxation of spontaneous MUSM contractions. Blockade of ANO1 and 2 inhibits both agonist-induced and spontaneous transient inward currents and abolishes G-protein coupled receptor (oxytocin) mediated elevations in intracellular calcium.

Conclusion

The calcium activated chloride channels ANO1 and 2 are present in human and murine myometrial tissue and may provide novel potential therapeutic targets to achieve effective tocolysis."xsd:string
http://purl.uniprot.org/citations/24928056http://purl.org/dc/terms/identifier"doi:10.1016/j.ajog.2014.06.018"xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/author"Bernstein K."xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/author"Gallos G."xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/author"Wakita H."xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/author"Fu X.W."xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/author"Danielsson J."xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/author"Wapner R."xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/author"Vink J.Y."xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/date"2014"xsd:gYear
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/name"Am J Obstet Gynecol"xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/pages"688.e1-10"xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/title"Calcium-activated chloride channels anoctamin 1 and 2 promote murine uterine smooth muscle contractility."xsd:string
http://purl.uniprot.org/citations/24928056http://purl.uniprot.org/core/volume"211"xsd:string
http://purl.uniprot.org/citations/24928056http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/24928056
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