| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Research Abstract |
We previously cloned E3 ubiquitin ligase, Synoviolin, as a regulatory factor of synoviocytes proliferation in rheumatoid arthritis (RA) and suggested that endoplasmic reticulum (ER) associated degradation system via Synoviolin has important roles for overgrowth of synoviocytes. It is known that the citrullination of proteins is activated in RA and Peptidyl-Arginine Deiminases 4 (PADI4) is identified as the RA-susceptible gene. In regard to these post-trasnslational modifications, we revealed that they associate and citrullination could decrease the ubiquitination by synoviolin and ER stress. In this study, I established synoviolin conditional knockout mice and enzymatic inhibitors of synoviolin and explored the function of post-translational modifications in vivo.
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