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解雇規制緩和という『ブラック・スワン』に備えよ (日経BP)

担当 さて、令和初のコラムのネタなんですけど……どうしましょうね。ってか、センセーはあんまり令和とか、そういうの気にしないでしょうけど。 鈴木 いや、そういうの...

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Changes in renal vessels associated with long-term administration of angiotensin converting enzyme inhibitor in Zucker fatty rats.

著者 Nakanishi K , Nagai Y , Akimoto T , Yamanaka N
J Smooth Muscle Res.2017 ; 53(0):20-30.
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Background Recently, we showed that long-term angiotensin receptor blocker (ARB) administration induced unusual proliferative changes in smooth muscle cells (SMCs) of afferent arterioles of the kidneys of Zucker fatty rats (ZFRs). In this study, we investigated renal afferent arteriolar changes induced by the long-term administration of an angiotensin converting enzyme inhibitor (ACEI) in ZFRs. Materials and Methods Fourteen 6-week-old male ZFRs were divided into two groups (n=14): the ZFR+ACEI group (n=6) was fed a standard diet containing ACEI (Enalapril, 2 mg/kg/day), and the ZFR control group (n=8) for 12 weeks. Blood pressure and proteinuria were examined and morphological studies on kidneys were performed. Results Remarkable proliferative changes in the afferent arteriolar SMCs were frequently observed in the group given ACEI; (66.1 ± 12.9%) compared with the control group (1.77 ± 1.56%, P<0.001). Conclusions It was indicated that long-term ACEI administration induced unusual proliferative changes in SMCs in afferent arterioles of ZFRs. These changes could reduce intraglomerular pressure by narrowing the lumens of afferent arterioles, but they could cause irreversible damage to the arterioles.
PMID: 28260705 [PubMed - in process]
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