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Renoprotection Provided by Additional Diuretic Treatment in Partially Nephrectomized Ren-2 Transgenic Rats Subjected to the Combined RAS and ETA Blockade

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985823%3A_____%2F19%3A00511952" target="_blank" >RIV/67985823:_____/19:00511952 - isvavai.cz</a>

  • Nalezeny alternativní kódy

    RIV/00216208:11120/19:43918777 RIV/00023001:_____/19:00078349

  • Výsledek na webu

    <a href="https://doi.org/10.3389/fphys.2019.01145" target="_blank" >https://doi.org/10.3389/fphys.2019.01145</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3389/fphys.2019.01145" target="_blank" >10.3389/fphys.2019.01145</a>

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    Renoprotection Provided by Additional Diuretic Treatment in Partially Nephrectomized Ren-2 Transgenic Rats Subjected to the Combined RAS and ETA Blockade

  • Popis výsledku v původním jazyce

    Objective: Our previous study in heterozygous Ren-2 transgenic rats (TGR) demonstrated that long-term treatment with endothelin receptor A (ETA) blocker atrasentan added to the renin-angiotensin system (RAS) blockade had renoprotective effects in a model of chronic kidney disease (CKD) induced by partial nephrectomy. Since ETA blockade is known to cause edema, we were interested whether diuretic treatment added to this therapy would be beneficial.Design and Methods: Partial nephrectomy (NX) was performed at the age of 3 months in TGR rats which were subjected to: (i) RAS blockade alone (angiotensin receptor blocker losartan and angiotensin converting enzyme inhibitor trandolapril), (ii) combined RAS (losartan and trandolapril) and ETA receptor blockade (atrasentan), or (iii) diuretic (hydrochlorothiazide) added to the combined RAS + ETA blockade for 50 weeks following NX.Results: At the end of the study systolic blood pressure and cardiac hypertrophy were similarly decreased in all treated groups. Survival was significantly improved by ETA receptor blockade added to RAS blockade with no further effects of diuretic treatment. However, additional diuretic treatment combined with RAS + ETA blockade decreased body weight and had beneficial renoprotective effects – reductions of both kidney weight and kidney damage markers. Proteinuria gradually increased in rats treated with RAS blockade alone, while it was substantially lowered by additional ETA blockade. In rats treated with additional diuretic, proteinuria was progressively reduced throughout the experiment.Conclusion: A diuretic added to the combined RAS and ETA blockade has late renoprotective effects in CKD induced by partial nephrectomy in Ren-2 transgenic rats. The diuretic improved: renal function (evaluated as proteinuria and creatinine clearance), renal morphology (kidney mass, glomerular volume), and histological markers of kidney damage (glomerulosclerosis index, tubulointerstitial injury).

  • Název v anglickém jazyce

    Renoprotection Provided by Additional Diuretic Treatment in Partially Nephrectomized Ren-2 Transgenic Rats Subjected to the Combined RAS and ETA Blockade

  • Popis výsledku anglicky

    Objective: Our previous study in heterozygous Ren-2 transgenic rats (TGR) demonstrated that long-term treatment with endothelin receptor A (ETA) blocker atrasentan added to the renin-angiotensin system (RAS) blockade had renoprotective effects in a model of chronic kidney disease (CKD) induced by partial nephrectomy. Since ETA blockade is known to cause edema, we were interested whether diuretic treatment added to this therapy would be beneficial.Design and Methods: Partial nephrectomy (NX) was performed at the age of 3 months in TGR rats which were subjected to: (i) RAS blockade alone (angiotensin receptor blocker losartan and angiotensin converting enzyme inhibitor trandolapril), (ii) combined RAS (losartan and trandolapril) and ETA receptor blockade (atrasentan), or (iii) diuretic (hydrochlorothiazide) added to the combined RAS + ETA blockade for 50 weeks following NX.Results: At the end of the study systolic blood pressure and cardiac hypertrophy were similarly decreased in all treated groups. Survival was significantly improved by ETA receptor blockade added to RAS blockade with no further effects of diuretic treatment. However, additional diuretic treatment combined with RAS + ETA blockade decreased body weight and had beneficial renoprotective effects – reductions of both kidney weight and kidney damage markers. Proteinuria gradually increased in rats treated with RAS blockade alone, while it was substantially lowered by additional ETA blockade. In rats treated with additional diuretic, proteinuria was progressively reduced throughout the experiment.Conclusion: A diuretic added to the combined RAS and ETA blockade has late renoprotective effects in CKD induced by partial nephrectomy in Ren-2 transgenic rats. The diuretic improved: renal function (evaluated as proteinuria and creatinine clearance), renal morphology (kidney mass, glomerular volume), and histological markers of kidney damage (glomerulosclerosis index, tubulointerstitial injury).

Klasifikace

  • Druh

    J<sub>imp</sub> - Článek v periodiku v databázi Web of Science

  • CEP obor

  • OECD FORD obor

    30201 - Cardiac and Cardiovascular systems

Návaznosti výsledku

  • Projekt

    <a href="/cs/project/NV15-25396A" target="_blank" >NV15-25396A: Centrální a periferní modulace cévního tonu a vylučování sodíku: úloha mozku a ledvin v patofyziologii hypertenze</a><br>

  • Návaznosti

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Ostatní

  • Rok uplatnění

    2019

  • Kód důvěrnosti údajů

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Údaje specifické pro druh výsledku

  • Název periodika

    Frontiers in physiology

  • ISSN

    1664-042X

  • e-ISSN

  • Svazek periodika

    10

  • Číslo periodika v rámci svazku

    Sep 18

  • Stát vydavatele periodika

    CH - Švýcarská konfederace

  • Počet stran výsledku

    10

  • Strana od-do

    1145

  • Kód UT WoS článku

    000486414400001

  • EID výsledku v databázi Scopus

    2-s2.0-85072888944