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Cited by 400

The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.

Sox9 Directs Hypertrophic Maturation and Blocks Osteoblast Differentiation of Growth Plate Chondrocytes

Open access
Dy, Peter, Wang, Weihuan, Bhattaram, Pallavi, Wang, Qiuqing, Wang, Lai, Ballock, R. Tracy, Lefebvre, Véronique·2012·Developmental Cell

Abstract

SUMMARY The transcription factor Sox9 is necessary for early chondrogenesis, but its subsequent roles in the cartilage growth plate, a highly specialized structure that drives skeletal growth and endochondral ossification, remain unclear. Using a doxycycline-inducible Cre transgene and Sox9 conditional null alleles in the mouse, we show that Sox9 is required to maintain chondrocyte columnar proliferation and generate cell hypertrophy, two key features of functional growth plates. Sox9 keeps Runx2 expression and β-catenin signaling in check, and thereby inhibits not only progression from proliferation to prehypertrophy, but also subsequent acquisition of an osteoblastic phenotype. Sox9 protein outlives Sox9 RNA in upper hypertrophic chondrocytes, where it contributes with Mef2c to directly activate the major marker of these cells, Col10a1. These findings thus reveal that Sox9 remains a central determinant of the lineage fate and multi-step differentiation program of growth plate chondrocytes, and thereby illuminate our understanding of key molecular mechanisms underlying skeletogenesis.

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Crossref · 10.1016/j.devcel.2011.12.024

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Metadata

Authors
Dy, P., Wang, W., Bhattaram, P., Wang, Q., Wang, L., Ballock, R. T., & Lefebvre, V.
Venue
Developmental Cell
Publisher
Elsevier BV
Published
2012-03
Volume
22
Issue
3
Pages
597-609
ISSN
1534-5807 (ISSN-L)
OpenAlex
W2011576192
Cited by
400
References
52
FWCI
20.25
Type
journal article
Language
en
Open access
bronze

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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