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Verfasst von:Wagner, Róbert [VerfasserIn]   i
 Nawroth, Peter Paul [VerfasserIn]   i
Titel:The protective effect of human renal sinus fat on glomerular cells is reversed by the hepatokine fetuin-A
Verf.angabe:R. Wagner, J. Machann, M. Guthoff, P.P. Nawroth, S. Nadalin, M.A. Saleem, N. Heyne, A. Königsrainer, F. Fend, F. Schick, A. Fritsche, N. Stefan, H.-U. Häring, E. Schleicher, D.I. Siegel-Axel
E-Jahr:2017
Jahr:23 May 2017
Illustrationen:Illustrationen
Fussnoten:Published online: 23 May 2017 ; Gesehen am 03.07.2018
Titel Quelle:Enthalten in: Scientific reports
Ort Quelle:[London] : Macmillan Publishers Limited, part of Springer Nature, 2011
Jahr Quelle:2017
Band/Heft Quelle:7(2017) Artikel-Nummer 2261, 12 Seiten
ISSN Quelle:2045-2322
Abstract:Renal sinus fat (RSF) is a perivascular fat compartment located around renal arteries. In this in vitro and in vivo study we hypothesized that the hepatokine fetuin-A may impair renal function in non alcoholic fatty liver disease (NAFLD) by altering inflammatory signalling in RSF. To study effects of the crosstalk between fetuin-A, RSF and kidney, human renal sinus fat cells (RSFC) were isolated and cocultured with human endothelial cells (EC) or podocytes (PO). RSFC caused downregulation of proinflammatory and upregulation of regenerative factors in cocultured EC and PO, indicating a protective influence of RFSC. However, fetuin-A inverted these benign effects of RSFC from an anti- to a proinflammatory status. RSF was quantified by magnetic resonance imaging and liver fat content by 1H-MR spectroscopy in 449 individuals at risk for type 2 diabetes. Impaired renal function was determined via urinary albumin/creatinine-ratio (uACR). RSF did not correlate with uACR in subjects without NAFLD (n = 212, p = 0.94), but correlated positively in subjects with NAFLD (n = 105, p = 0.0005). Estimated glomerular filtration rate (eGRF) was inversely correlated with RSF, suggesting lower eGFR for subjects with higher RSF (r = 0.24, p < 0.0001). In conclusion, our data suggest that in the presence of NAFLD elevated fetuin-A levels may impair renal function by RSF-induced proinflammatory signalling in glomerular cells.
DOI:doi:10.1038/s41598-017-02210-4
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

kostenfrei: Volltext: http://dx.doi.org/10.1038/s41598-017-02210-4
 kostenfrei: Volltext: https://www.nature.com/articles/s41598-017-02210-4
 DOI: https://doi.org/10.1038/s41598-017-02210-4
Datenträger:Online-Ressource
Sprache:eng
K10plus-PPN:1577200578
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