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Al-Dabet, M.M.* ; Shahzad, K.* ; Elwakiel, A.* ; Sulaj, A.* ; Kopf, S.* ; Bock, F.* ; Gadi, I.* ; Zimmermann, S.* ; Rana, R.* ; Krishnan, S.* ; Gupta, D.* ; Manoharan, J.* ; Fatima, S.* ; Nazir, S.* ; Schwab, C.* ; Baber, R.* ; Scholz, M.* ; Geffers, R.* ; Mertens, P.R.* ; Nawroth, P.P.* ; Griffin, J.H.* ; Keller, M. ; Dockendorff, C.* ; Kohli, S.* ; Isermann, B.*

Reversal of the renal hyperglycemic memory in diabetic kidney disease by targeting sustained tubular p21 expression.

Nat. Commun. 13:5062 (2022)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
A major obstacle in diabetes is the metabolic or hyperglycemic memory, which lacks specific therapies. Here we show that glucose-mediated changes in gene expression largely persist in diabetic kidney disease (DKD) despite reversing hyperglycemia. The senescence-associated cyclin-dependent kinase inhibitor p21 (Cdkn1a) was the top hit among genes persistently induced by hyperglycemia and was associated with induction of the p53-p21 pathway. Persistent p21 induction was confirmed in various animal models, human samples and in vitro models. Tubular and urinary p21-levels were associated with DKD severity and remained elevated despite improved blood glucose levels in humans. Mechanistically, sustained tubular p21 expression in DKD is linked to demethylation of its promoter and reduced DNMT1 expression. Two disease resolving agents, protease activated protein C (3K3A-aPC) and parmodulin-2, reversed sustained tubular p21 expression, tubular senescence, and DKD. Thus, p21-dependent tubular senescence is a pathway contributing to the hyperglycemic memory, which can be therapeutically targeted.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2022
HGF-Berichtsjahr 2022
ISSN (print) / ISBN 2041-1723
e-ISSN 2041-1723
Zeitschrift Nature Communications
Quellenangaben Band: 13, Heft: 1, Seiten: , Artikelnummer: 5062 Supplement: ,
Verlag Nature Publishing Group
Verlagsort London
Begutachtungsstatus Peer reviewed
Institut(e) Helmholtz Institute for Metabolism, Obesity and Vascular Research (HI-MAG)
POF Topic(s) 30201 - Metabolic Health
Forschungsfeld(er) Helmholtz Diabetes Center
PSP-Element(e) G-506501-001
Förderungen Deutsche Forschungsgemeinschaft (German Research Foundation)
DOI 10.1038/s41467-022-32477-9
WOS ID WOS:000846449200001
Scopus ID 85136889572
PubMed ID 36030260
Erfassungsdatum 2022-11-15
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