title: Knockout of the regulatory factor X1 gene leads to early embryonic lethality.
abstract: The biological function of regulatory factor X1 (RFX1), the prototype member of the transcription factor RFX family, is not clear. We have used gene trap technique to disrupt the expression of RFX1 in mice. Although, heterozygous RFX1(+/-) mice appear normal and fertile, homozygous RFX1(-/-) embryos died at an early stage (most likely before embryonic day 2.5). Our results indicate that RFX1 regulates expression of genes that are essential for early embryonic development/survival and that RFX1 function can not be compensated by other RFX1 family members.
authors: Department of Anesthesiology, School of Medicine, University of Virginia, Charlottesville, VA, USA.
authors: Chenzhuo
authors: C
authors: Feng
authors: Wenhao
authors: W
authors: Xu
authors: Zhiyi
authors: Z
authors: Zuo
mesh_terms: D000818:Animals; D004268:DNA-Binding Proteins / Q000235:genetics / Q000378:metabolism*; D020964:Embryo Loss / Q000235:genetics*; D005260:Female; D018507:Gene Expression Regulation, Developmental; D055786:Gene Knockout Techniques; D051379:Mice; D018345:Mice, Knockout; D000071701:Regulatory Factor X Transcription Factors; D000071716:Regulatory Factor X1; D014157:Transcription Factors / Q000235:genetics / Q000378:metabolism*
chemical_list: D004268:DNA-Binding Proteins; D000071701:Regulatory Factor X Transcription Factors; D000071716:Regulatory Factor X1; C000605538:Rfx1 protein, mouse; D014157:Transcription Factors