Neutral endopeptidase and natriuretic peptide receptors participate in the regulation of C-type natriuretic peptide expression in renal interstitial fibrosis

Neutral endopeptidase and natriuretic peptide receptors participate in the regulation of C-type natriuretic peptide expression in renal interstitial fibrosis
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中性内肽酶和利钠肽受体参与肾间质纤维化中C型利钠肽表达的调节

DOI:
10.3109/10799893.2016.1155068
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发表时间:
2017-01
期刊:
J Recept Signal Transduct Res
影响因子:
--
通讯作者:
Qin YH
Qin YH
中科院分区:
其他
文献类型:
--
作者:
Hu P;Xia X;Xuan Q;Huang BY;Liu SY;Zhang DD;Jiang GM;Xu Y;Qin YH

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肾间质纤维化(RIF)的发生、发展是一个复杂的过程,许多因素在其中起着激活作用。在这些因子中,C型利钠肽(CNP)是一种内皮源性激素,以局部、旁分泌方式调节血管平滑肌张力和增殖。本研究建立了单侧输尿管梗阻(UUO)大鼠模型。CNP表达往往在结扎后立即升高,并在随后的时间点下降,主要发生在肾小管上皮细胞中。尿钠肽受体(NPR)-B在UUO早期表达增高可能与高水平CNP有关。然而,在整个研究期间(长达3个月)观察到的NPR-C和中性内肽酶(NEP)的持续表达有助于(至少部分)解释CNP的后续下降。因此,NEP和NPR参与RIF中CNP表达的调节。
Abstract The initiation and progression of renal interstitial fibrosis (RIF) is a complicated process in which many factors may play an activate role. Among these factors, C-type natriuretic peptide (CNP) is an endothelium-derived hormone and acts in a local, paracrine fashion to regulate vascular smooth muscle tone and proliferation. In this study, we established a rat model of unilateral ureteral obstruction (UUO). CNP expression tends to be higher immediately after ligation and declined at later time points, occurring predominantly in tubular epithelial cells. A high-level CNP may contribute to the elevated expression of natriuretic peptide receptor (NPR)-B in the early phase of UUO. However, the sustained expression of NPR-C and neutral endopeptidase (NEP) observed throughout the study period (that is up to 3 months) helps to, at least partly, explain the subsequent decline of CNP. Thus, NEP and NPRs participate in the regulation of CNP expression in RIF.
DOI: 10.1097/mnh.0b013e3283521cfa
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