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Arnold, F.* ; Mahaddalkar, P.U. ; Kraus, J.M.* ; Zhong, X.* ; Bergmann, W.* ; Srinivasan, D.* ; Gout, J.* ; Roger, E.* ; Beutel, A.K.* ; Zizer, E.* ; Tharehalli, U.* ; Daiss, N.* ; Russell, R.* ; Perkhofer, L.* ; Oellinger, R.* ; Lin, Q.S.* ; Azoitei, N.* ; Weiss, F.U.* ; Lerch, M.M.* ; Liebau, S.* ; Katz, S.F.* ; Lechel, A.* ; Rad, R.* ; Seufferlein, T.* ; Kestler, H.A.* ; Ott, M.* ; Sharma, A.D.* ; Hermann, P.C.* ; Kleger, A.*

Functional genomic screening during somatic cell reprogramming identifies DKK3 as a roadblock of organ regeneration.

Adv. Sci. 8:2100626 (2021)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
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Somatic cell reprogramming and tissue repair share relevant factors and molecular programs. Here, Dickkopf-3 (DKK3) is identified as novel factor for organ regeneration using combined transcription-factor-induced reprogramming and RNA-interference techniques. Loss of Dkk3 enhances the generation of induced pluripotent stem cells but does not affect de novo derivation of embryonic stem cells, three-germ-layer differentiation or colony formation capacity of liver and pancreatic organoids. However, DKK3 expression levels in wildtype animals and serum levels in human patients are elevated upon injury. Accordingly, Dkk3-null mice display less liver damage upon acute and chronic failure mediated by increased proliferation in hepatocytes and LGR5 liver progenitor cell population, respectively. Similarly, recovery from experimental pancreatitis is accelerated. Regeneration onset occurs in the acinar compartment accompanied by virtually abolished canonical-Wnt-signaling in Dkk3-null animals. This results in reduced expression of the Hedgehog repressor Gli3 and increased Hedgehog-signaling activity upon Dkk3 loss. Collectively, these data reveal Dkk3 as a key regulator of organ regeneration via a direct, previously unacknowledged link between DKK3, canonical-Wnt-, and Hedgehog-signaling. +
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Functional Shrna Screen ; Regeneration ; Reprogramming ; Wnt-/hedgehog-signaling; Pluripotent Stem-cells; Liver-regeneration; Acinar Morphogenesis; Self-renewal; Adult Liver; Cancer; Hedgehog; Wnt; Dickkopf-3; Expression
Sprache englisch
Veröffentlichungsjahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 2198-3844
e-ISSN 2198-3844
Zeitschrift Advanced science
Quellenangaben Band: 8, Heft: 14, Seiten: , Artikelnummer: 2100626 Supplement: ,
Verlag Wiley
Verlagsort Weinheim
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Diabetes and Regeneration Research (IDR)
POF Topic(s) 30201 - Metabolic Health
Forschungsfeld(er) Helmholtz Diabetes Center
PSP-Element(e) G-502300-001
Förderungen Collaborative Research Centre grant of the German Research Foundation
German Cancer Aid Priority Program 'Translational Oncology'
Max Eder Fellowship of the German Cancer Aid
Else-Kroner-Fresenius Excellence funding
INDIMED-Verbund PancChip
DFG
German Cancer Aid
Baden-Wurttemberg-Foundation ExPO-Chip
Deutsche Forschungsgemeinschaft (DFG)
Bausteinprogramm of Ulm University
DOI 10.1002/advs.202100626
WOS ID WOS:000649846100001
Scopus ID 85105727487
PubMed ID 34306986
Erfassungsdatum 2021-06-23
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