A renin-angiotenzin rendszer szervezetünk egyik legjelentősebb hormonális rendszere, amelynek juxtaglomerularis apparátusban történő szabályozása és szerepe jól ismert. Jelen összefoglaló a vese embrionális fejlődésével párhuzamot állítva a gyűjtőcsatorna renintermelését írja le, valamint ennek lokális szerepét és terápiás célpontként szolgáló lehetőségeit igyekszik feltárni. Nemrégiben került leírásra, hogy krónikus angiotenzin-II-kezelés során, két vese-, egy klip modellben, illetve diabetes mellitusban a gyűjtőcsatorna jelenti az intrarenalis (pro)renintermelés legfőbb helyét. Ebben a lokalizációban a (pro)renin előtt út nyílhat az interstitialis renin-angoitenzin rendszer komponensek, a szisztémás keringés és a nemrégiben leírásra került (pro)reninreceptor felé. A (pro)renin saját receptorán keresztül intracelluláris profibroticus utakat képes aktiválni, így egyúttal potenciálisan új célpontja lehet a hypertoniához kapcsolódó vagy diabeteses nephropathia kezelésének, illetve eszköze a krónikus vesekárosodást előidéző folyamatok korai diagnosztizálásának. Orv. Hetil., 2013, 154, 643–649.
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