ID3 (基因)

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ID3(分化抑制因子3,Inhibitor of Differentiation 3),正式名称为“inhibitor of DNA binding 3, HLH protein”(DNA结合抑制因子3,HLH(螺旋-环-螺旋)蛋白)。人ID3蛋白由ID3基因编码[1][2]

功能[编辑]

分化抑制因子(ID)家族螺旋-环-螺旋(HLH)蛋白质缺乏基因的DNA结合结构域。它通过与其他的HLH蛋白形成异二聚体,阻止其与DNA结合,进而抑制其功能[2]

相互作用[编辑]

ID3能与TCF3英语TCF3(转录因子3)发生相互作用[3][4]

ID3的抑制剂[编辑]

BTG2英语BTG2能与ID3基因的启动子结合,进而抑制其ID3基因的活性。如果敲除海马的BTG2基因的话,海马ID3表达就会上调,进而使其神经元无法发生末端分化[5]

参见[编辑]

参考[编辑]

  1. Ellmeier W, Aguzzi A, Kleiner E, Kurzbauer R, Weith A. Mutually exclusive expression of a helix-loop-helix gene and N-myc in human neuroblastomas and in normal development. EMBO J. Aug 1992, 11 (7): 2563–71. PMC 556731可免费查阅. PMID 1628620. 
  2. 2.0 2.1 Entrez Gene: ID3 inhibitor of DNA binding 3, dominant negative helix-loop-helix protein. (原始内容存档于2019-10-17). 
  3. Deed RW, Jasiok M, Norton JD. Lymphoid-specific expression of the Id3 gene in hematopoietic cells. Selective antagonism of E2A basic helix-loop-helix protein associated with Id3-induced differentiation of erythroleukemia cells. J. Biol. Chem. Apr 1998, 273 (14): 8278–86. PMID 9525934. doi:10.1074/jbc.273.14.8278. 
  4. Langlands K, Yin X, Anand G, Prochownik EV. Differential interactions of Id proteins with basic-helix-loop-helix transcription factors. J. Biol. Chem. Aug 1997, 272 (32): 19785–93. PMID 9242638. doi:10.1074/jbc.272.32.19785. 
  5. Farioli-Vecchioli S, Saraulli D, Costanzi M, Leonardi L, Cinà I, Micheli L, Nutini M, Longone P, Oh SP, Cestari V, Tirone F. Okazawa H , 编. Impaired terminal differentiation of hippocampal granule neurons and defective contextual memory in PC3/Tis21 knockout mice. PLoS ONE. 2009, 4 (12): e8339. PMC 2791842可免费查阅. PMID 20020054. doi:10.1371/journal.pone.0008339. 

拓展阅读[编辑]

外部链接[编辑]


ID3 (基因)引用了美国国家医学图书馆提供的数据,这些数据属于公共领域