Mechanosensitivity of the urinary bladder is regulated by many factors including mechano‐gated two‐pore domain (K2P, KCNK) potassium channels. TWIK‐related K+ channel, TREK‐1, is a predominantly expressed member of K2P channel family in the hu...
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https://www.riss.kr/link?id=O119790094
2019년
-
0733-2467
1520-6777
SCI;SCIE;SCOPUS
학술저널
144-150 [※수록면이 p5 이하이면, Review, Columns, Editor's Note, Abstract 등일 경우가 있습니다.]
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Mechanosensitivity of the urinary bladder is regulated by many factors including mechano‐gated two‐pore domain (K2P, KCNK) potassium channels. TWIK‐related K+ channel, TREK‐1, is a predominantly expressed member of K2P channel family in the hu...
Mechanosensitivity of the urinary bladder is regulated by many factors including mechano‐gated two‐pore domain (K2P, KCNK) potassium channels. TWIK‐related K+ channel, TREK‐1, is a predominantly expressed member of K2P channel family in the human detrusor, and its expression and function are diminished in patients with overactive lower urinary tract symptoms (LUTS). The changes in channel activity may result from spontaneously occurring gene mutations. The aim of this study was to compare single nucleotide polymorphisms (SNPs) in TREK‐1 channel between patients with LUTS and healthy donors.
Six SNPs (rs370266806, rs373919966, rs758937019, rs769301539, rs772497750, and rs775158737) in two pore domains of human TREK‐1 gene were analyzed using TaqMan SNP genotyping assay with manufacturer‐designed primers and allele‐specific probes. The screening was done in control bladders and detrusor specimens from patients with overactive LUTS. Statistical analyses were performed using R, Fisher's exact test and Hardy‐Weinberg Equilibrium.
Six SNPs in two pore domains of the human TREK‐1 gene were analyzed in human bladder specimens. The frequencies of rs758937019‐CT genotype (P = 0.0016) and rs758937019‐T allele (P = 0.0022) were significantly higher in the group with overactive LUTS. There was no significant association of rs775158737‐GA genotype and rs775158737‐A allele with the overactive LUTS, though they were present only in the overactive LUTS group.
Our results provide evidence that altered expression and function of TREK‐1 channel in patients with overactive LUTS could be due to genetic polymorphisms in the pore domains of TREK‐1 channel (rs758937019).
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