J 2012

p38 Inhibition ameliorates skin and skull abnormalities in Fgfr2 Beare-Stevenson mice.

WANG, Y., X. ZHOU, K. OBEROI, R. PHELPS, R. COUWENHOVEN et. al.

Basic information

Original name

p38 Inhibition ameliorates skin and skull abnormalities in Fgfr2 Beare-Stevenson mice.

Authors

WANG, Y. (840 United States of America), X. ZHOU (840 United States of America), K. OBEROI (840 United States of America), R. PHELPS (840 United States of America), R. COUWENHOVEN (840 United States of America), M. SUN (840 United States of America), A. REZZA (840 United States of America), G. HOLMES (840 United States of America), Ch.J. PERCIVAL (840 United States of America), J. FRIEDENTHAL (840 United States of America), Pavel KREJČÍ (203 Czech Republic, guarantor, belonging to the institution), J.T. RICHTSMEIER (840 United States of America), D.L. HUSO (840 United States of America), Michael RENDL (840 United States of America) and E. WANG JABS (840 United States of America)

Edition

The journal of clinical investigation, [New York, N.Y.], American Society for Clinical Investigation, 2012, 0021-9738

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

30105 Physiology

Country of publisher

United States of America

Confidentiality degree

není předmětem státního či obchodního tajemství

Impact factor

Impact factor: 12.812

RIV identification code

RIV/00216224:14310/12:00065919

Organization unit

Faculty of Science

UT WoS

000304736300023

Keywords in English

p38; skin; skull; FGFR2; Beare-Stevenson syndrome

Tags

Změněno: 25/4/2014 14:05, Ing. Zdeňka Rašková

Abstract

V originále

Beare-Stevenson cutis gyrata syndrome (BSS) is a human genetic disorder characterized by skin and skull abnormalities. BSS is caused by mutations in the FGF receptor 2 (FGFR2), but the molecular mechanisms that induce skin and skull abnormalities are unclear. We developed a mouse model of BSS harboring a FGFR2 Y394C mutation and identified p38 MAPK as an important signaling pathway mediating these abnormalities. Fgfr2+/Y394C mice exhibited epidermal hyperplasia and premature closure of cranial sutures (craniosynostosis) due to abnormal cell proliferation and differentiation. We found ligand-independent phosphorylation of FGFR2 and activation of p38 signaling in mutant skin and calvarial tissues. Treating Fgfr2+/Y394C mice with a p38 kinase inhibitor attenuated skin abnormalities by reversing cell proliferation and differentiation to near normal levels. This study reveals the pleiotropic effects of the FGFR2 Y394C mutation evidenced by cutis gyrata, acanthosis nigricans, and craniosynostosis and provides a useful model for investigating the molecular mechanisms of skin and skull development. The demonstration of a pathogenic role for p38 activation may lead to the development of therapeutic strategies for BSS and related conditions, such as acanthosis nigricans or craniosynostosis.

Links

GAP305/11/0752, research and development project
Name: Molekulární základy FGFR3 signalingu v kostní dysplázii
Investor: Czech Science Foundation
GA301/09/0587, research and development project
Name: Nové dráhy FGFR3 signalingu v achondroplázii
Investor: Czech Science Foundation, Novel pathway of FGFR3 signaling in achondroplasia
MSM0021622430, plan (intention)
Name: Funkční a molekulární charakteristiky nádorových a normálních kmenových buněk - identifikace cílů pro nová terapeutika a terapeutické strategie
Investor: Ministry of Education, Youth and Sports of the CR, Functional and molecular characteristics of cancer and normal stem cells - identification of targets for novel therapeutics and therapeutic strategies