TCF2

HNF1B

HNF1B

Mammalian protein found in Homo sapiens


HNF1 homeobox B (hepatocyte nuclear factor 1 homeobox B), also known as HNF1B or transcription factor 2 (TCF2), is a human gene.

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Function

HNF1B encodes hepatocyte nuclear factor 1-beta, a protein of the homeobox-containing basic helix-turn-helix family. The HNF1B protein is believed to form heterodimers with another member of this transcription factor family, HNF1A; depending on the HNF1B isoform, the result may be to activate or inhibit transcription of target genes. Deficiency of HNF1B cause abnormal maternal-Zygote transition and early embryogenesis failure.[5][6] Mutation of HNF1B that disrupts normal function has been identified as the cause of MODY 5 (Maturity-Onset of Diabetes, Type 5). A third human transcript variant is believed to exist based on such a variant in the rat: however, to date such an mRNA species has not been isolated.[7]

See also


References

  1. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  2. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  3. Barbacci E, Reber M, Ott MO, et al. (1999). "Variant hepatocyte nuclear factor 1 is required for visceral endoderm specification". Development. 126 (21): 4795–4805. doi:10.1242/dev.126.21.4795. PMID 10518496.
  4. Coffinier C, Thepot D, Babinet C, et al. (1999). "Essential role for the homeoprotein vHNF1/HNF1beta in visceral endoderm differentiation". Development. 126 (21): 4785–4794. doi:10.1242/dev.126.21.4785. PMID 10518495.

Further reading

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



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