学術雑誌論文 Gene and protein expression of a soluble form of CTLA-4 in a healthy dog

Tagawa, Michihito  ,  Yamamoto, Yuhei  ,  Shimbo, Genya  ,  Iguchi, Aiko  ,  Xuan, Xuenan  ,  Tomihari, Mizuki  ,  Miyahara, Kazuro

79 ( 5 )  , pp.871 - 875 , 2017-05 , Japanese Society of Veterinary Science
ISSN:09167250
NII書誌ID(NCID):AA10796138
内容記述
Cytotoxic T lymphocyte associated gene-4 (CTLA-4) is a costimulatory molecule, expressed on the surface of activated T cells that negatively regulates T cell activation. In humans, alternative splicing of the CTLA-4 gene generates two major isoforms of mRNA, and a soluble form of CTLA-4 (sCTLA-4) was detected in normal human serum. We describe alternatively spliced mRNA expressed in peripheral blood mononuclear cells obtained from a healthy dog lacking the transmembrane domain coded by exon 3 of the CTLA-4 gene. Immunoprecipitation and western blotting of dog serum revealed a band of approximately 23-kDa, which is consistent with the predicted size, based on the amino acid sequence of the canine sCTLA-4 obtained in this study.
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