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Sci China C Life Sci. 1999 Jun;42(3):323-9. doi: 10.1007/BF03183610.

cDNA cloning and expression of an apoptosis-related gene, humanTFAR15 gene.

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  • 1Laboratory of Medical Immunology, Beijing Medical University, 100083, Beijing, China.


By means of cDNA-RDA method, some cDNA fragments were found to have high levels of expression during deprivation of GM-CSF (granulocyte macrophage-colony stimulating factor) in a human myeloid cell line, TF-1 cells. One of these fragments was identified as a novel gene. To get the full length of cDNA, rapid amplification of cDNA ends (RACE) and expressed sequence tags (EST) overlapping fragments assembling strategies were used. The novel gene was named TRAF15 (TF-1 cell apoptosis related gene-15), which consists of 1 218 nucleotides and encodes 212 amino acids. The putative protein product of TFAR15 is partially homologous toC. elegans protein C14A4.11. TFAR15 mRNA is expressed in fetal liver, kidney, spleen and lung, and also in some human myeloid cell lines. Both of the TFAR15 mRNA and protein were highly expressed in TF-1 cells after GM-CSF withdrawal.In vitro analysis showed that the recombinant TFAR15 protein could inhibit the natural cell death of 293 cells, an embryonic kidney cell line.

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