| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
Carnosine (beta-alanyl-L-histidine) is a dipeptide present at high concentrations in mammalian muscles and brain. Carnosine has been suggested to be ace as an antioxidant, but its function as well as the enzymes responsible for its synthesis and degradation has not well been understood. We have previously found an enzyme that can hydrolyze carnosine (CNDP2), and then in the present study, we have analyzed the structure, function and distrubution of CNDP2. We have determine the crystal structure of CNDP2 and revealed its structural features. In addition, we have found that it is highly expressed in the histaminergic neurons in the hypothalamus, raising a possibility that carnosine and CNDP2 may contribute the production of substrate for histamine synthesis.
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