Post-translational Regulation of Runx2 in Bone and Cartilage

Overview

Journal J Dent Res

Specialty Dentistry

Date 2009 Sep 8

PMID 19734454

Citations 74

Authors

J H Jonason

G Xiao

M Zhang

L Xing

D Chen

Affiliations

Soon will be listed here.

Abstract

The Runx2 gene product is essential for mammalian bone development. In humans, Runx2 haploinsufficiency results in cleidocranial dysplasia, a skeletal disorder characterized by bone and dental abnormalities. At the molecular level, Runx2 acts as a transcription factor for genes expressed in hypertrophic chondrocytes and osteoblasts. Runx2 gene expression and protein function are regulated on multiple levels, including transcription, translation, and post-translational modification. Furthermore, Runx2 is involved in numerous protein-protein interactions, most of which either activate or repress transcription of target genes. In this review, we discuss expression of Runx2 during development as well as the post-translational regulation of Runx2 through modification by phosphorylation, ubiquitination, and acetylation.

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