Nell-1, a key functional mediator of Runx2, partially rescues calvarial defects in Runx2+/− mice

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Nell-1, a key Functional Mediator of Runx2, Partially Rescues Calvarial Defects in Runx2+/− Mice

Mesenchymal stem cell commitment to an osteoprogenitor lineage requires the activity of Runx2, a molecule implicated in the etiopathology of multiple congenital craniofacial anomalies. Through promoter analyses, we have recently identified a new direct transcriptional target of Runx2, Nell-1, a craniosynostosis (CS)-associated molecule with potent osteogenic properties. This study investigated ...

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RUNX2 mutations in cleidocranial dysplasia.

The runt-related transcription factor 2 gene (RUNX2), which is also known as CBFA1, is a master regulatory gene in bone formation. Mutations in RUNX2 have been identified in cleidocranial dysplasia (CCD) patients. CCD is a rare autosomal dominant skeletal dysplasia that is characterized by delayed closure of cranial sutures, aplastic or hypoplastic clavicle formation, short stature, and dental ...

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Antagonistic Functions of USAG-1 and RUNX2 during Tooth Development

Supernumerary teeth and tooth agenesis are common morphological anomalies in humans. We previously obtained evidence that supernumerary maxillary incisors form as a result of the successive development of the rudimentary maxillary incisor tooth germ in Usag-1 null mice. The development of tooth germs is arrested in Runx2 null mice, and such mice also exhibit lingual epithelial buds associated w...

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Resveratrol Mediated Modulation of Sirt-1/Runx2 Promotes Osteogenic Differentiation of Mesenchymal Stem Cells: Potential Role of Runx2 Deacetylation

OBJECTIVE Osteogenic repair in response to bone injury is characterized by activation and differentiation of mesenchymal stem cells (MSCs) to osteoblasts. This study determined whether activation of Sirt-1 (a NAD(+)-dependent histone deacetylase) by the phytoestrogen resveratrol affects osteogenic differentiation. METHODS Monolayer and high-density cultures of MSCs and pre-osteoblastic cells ...

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Craniosynostosis in transgenic mice overexpressing Nell-1.

Previously, we reported NELL-1 as a novel molecule overexpressed during premature cranial suture closure in patients with craniosynostosis (CS), one of the most common congenital craniofacial deformities. Here we describe the creation and analysis of transgenic mice overexpressing Nell-1. Nell-1 transgenic animals exhibited CS-like phenotypes that ranged from simple to compound synostoses. Hist...

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ژورنال

عنوان ژورنال: Journal of Bone and Mineral Research

سال: 2011

ISSN: 0884-0431

DOI: 10.1002/jbmr.267