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第64号(2009-12-25) >

Please use this identifier to cite or link to this item: http://hdl.handle.net/11173/1754

Title: マウス胸腺の脂肪細胞分化過程の速度論による解析
Other Titles: Analysis of the Differential Process of Adipocytes in the Thymus of BALB/c Mouse by Kinetic Theory
Authors: 清水, 里枝
Shimizu, Satoe
竹内, 亜里沙
Takeuchi, Arisa
田中, 麻由里
Tanaka, Mayuri
玉井, 千晶
Tamai, Chiaki
中西, 美貴
Nakanishi, Miki
西尾, 依里奈
Nishio, Erina
二田, 智恵子
Nita, Chieko
宮崎, 木綿子
Miyazaki, Yuhko
山口, 文乃
Yamaguchi, Ayano
宮田, 堅司
Miyata, Kenji
Issue Date: 25-Dec-2009
Publisher: 京都女子大学食物学会
Abstract: The differential process of adipocytes was investigated in the thymus and spleen of BALB/c mice by the real time PCR method. The transcriptions of PPARγ (PP) ,adiponectin (Ad) and resistin (Re) were considered as indications of differential stages of adipocytes and the transcription ratios, log Ad/PP and log Re/PP , were measured. These logarithmic ratios increased rapidly, at the border between fetal stage and neonatal, from negative value to positive in the thymus and to nearly 0 in the spleen. Subsequently, they were remained virtually constant throughout the experimental period. Kinetics was applied to the differential model of adipocytes in which the quantity of each transcription was assumed to be proportional to the cell number, and the changes of log Ad/PP and log Re/PP with age were interpreted successfully
BALB/cマウスの胸腺および脾臓での脂肪細胞の分化過程を,PPARγ(PP)に対するアディポネクチン(Ad),およびレジスチン(Re)の転写量を指標として,リアルタイムPCR法により検討した。加齢に伴い成熟脂肪細胞が増加してくる胸腺においては,アディポネクチンおよびレジスチンの転写量は,胎生期にはPPARγ の転写量より少なかったが,出生を境に急激に増大し,PPARγ の転写量の数十倍となり,その後ほぼ一定となった。成熟した脂肪細胞が認められない脾臓では,アディポネクチンおよびレジスチンの転写量は,出生を境に増大し,PPARyの転写量とほぼ等しくなった。各遺伝子の転写量は細胞数に比例すると仮定し,脂肪細胞系列の幹細胞を考えることにより,これらの結果を,速度論により説明することができた。
URI: http://hdl.handle.net/11173/1754
Appears in Collections:第64号(2009-12-25)

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