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Mesoderm posterior bHLH transcription factor 2
Symbols MESP2 ; SCDO2; bHLHc6
External IDs OMIM605195 MGI1096325 HomoloGene7420 GeneCards: MESP2 Gene
Species Human Mouse
Entrez 145873 17293
Ensembl ENSG00000188095 ENSMUSG00000030543
UniProt Q0VG99 O08574
RefSeq (mRNA) NM_001039958 NM_008589
RefSeq (protein) NP_001035047 NP_032615
Location (UCSC) Chr 15:
89.76 – 89.78 Mb
Chr 7:
79.81 – 79.81 Mb
PubMed search [1] [2]

Mesoderm posterior protein 2 (MESP2), also known as class C basic helix-loop-helix protein 6 (bHLHc6), is a protein that in humans is encoded by the MESP2 gene.[1]


This gene encodes a member of the bHLH family of transcription factors and plays a key role in defining the rostrocaudal patterning of somites via interactions with multiple Notch signaling pathways. This gene is expressed in the anterior presomitic mesoderm and is downregulated immediately after the formation of segmented somites. This gene also plays a role in the formation of epithelial somitic mesoderm and cardiac mesoderm.[1] In zebrafish, the homolog mesp-b is critical for dermomyotome development.[2]

Clinical significance[edit]

Mutations in the MESP2 gene cause autosomal recessive Spondylocostal dysostosis type 2.[3]


  1. ^ a b "Entrez Gene: mesoderm posterior 2 homolog (mouse)". 
  2. ^ Windner SE, Doris RA, Ferguson CM, Nelson AC, Valentin G, Tan H, Oates AC, Wardle FC, Devoto SH (Mar 2015). "Tbx6, Mesp-b and Ripply1 regulate the onset of skeletal myogenesis in zebrafish". Development 142 (6): 1159–68. doi:10.1242/dev.113431. PMID 25725067. 
  3. ^ Cornier AS, Staehling-Hampton K, Delventhal KM, Saga Y, Caubet JF, Sasaki N, Ellard S, Young E, Ramirez N, Carlo SE, Torres J, Emans JB, Turnpenny PD, Pourquié O (Jun 2008). "Mutations in the MESP2 gene cause spondylothoracic dysostosis/Jarcho-Levin syndrome". American Journal of Human Genetics 82 (6): 1334–41. doi:10.1016/j.ajhg.2008.04.014. PMC 2427230. PMID 18485326. 

Further reading[edit]

This article incorporates text from the United States National Library of Medicine, which is in the public domain.