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TRAF interacting protein OKDB#: 5388
 Symbols: TRAIP Species: human
 Synonyms: TRIP, SCKL9, RNF206  Locus: 3p21.31 in Homo sapiens


For retrieval of Nucleotide and Amino Acid sequences please go to: OMIM Entrez Gene
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General Comment NCBI Summary: This gene encodes a protein that contains an N-terminal RING finger motif and a putative coiled-coil domain. A similar murine protein interacts with TNFR-associated factor 1 (TRAF1), TNFR-associated factor 2 (TRAF2), and cylindromatosis. The interaction with TRAF2 inhibits TRAF2-mediated nuclear factor kappa-B, subunit 1 activation that is required for cell activation and protection against apoptosis. [provided by RefSeq, Jul 2008]
General function Intracellular signaling cascade
Comment
Cellular localization
Comment
Ovarian function Oocyte maturation
Comment TRAIP is involved in chromosome alignment and SAC regulation in mouse oocyte meiosis. Yuan YF et al. (2016) Recent whole-exome sequencing (WES) studies demonstrated that TRAIP is associated with primordial dwarfism. Although TRAIP was partially studied in mitosis, its function in oocyte meiosis remained unknown. In this study, we investigated the roles of TRAIP during mouse oocyte meiosis. TRAIP was stably expressed during oocytes meiosis and co-localized with CREST at the centromere region. Knockdown of TRAIP led to DNA damage, as revealed by the appearance of γH2AX. Although oocytes meiotic maturation was not affected, the proportions of misaligned chromosomes and aneuploidy were elevated after TRAIP knockdown, suggesting TRAIP is required for stable kinetochore-microtubule (K-MT) attachment. TRAIP knockdown decreased the accumulation of Mad2 on centromeres, potentially explaining why oocyte maturation was not affected following formation of DNA lesions. Securin, a protein which was prevent from precocious degradation by Mad2, was down-regulated after TRAIP knockdown. Inhibition of TRAIP by microinjection of antibody into pro-metaphase I (pro-MI) stage oocytes resulted in precocious first polar body (PB1) extrusion, and live-cell imaging clearly revealed misaligned chromosomes after TRAIP knockdown. Taken together, these data indicate that TRAIP plays important roles in oocyte meiosis regulation.//////////////////
Expression regulated by
Comment
Ovarian localization Oocyte
Comment
Follicle stages
Comment
Phenotypes
Mutations 0 mutations
Genomic Region show genomic region
Phenotypes and GWAS show phenotypes and GWAS
Links
OMIM (Online Mendelian Inheritance in Man: an excellent source of general gene description and genetic information.)
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created: July 21, 2016, 12:03 p.m. by: system   email:
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last update: July 21, 2016, 12:05 p.m. by: hsueh    email:



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