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第62号(2007-12-11) >

Please use this identifier to cite or link to this item: http://hdl.handle.net/11173/1431

Title: 抗体遺伝子転写細胞の分化過程の解析 : 速度論による解析
Other Titles: Analysis of The Differential Process of Immunoglobulin Gene-Transcribing-cells : Application of kinetic theory
Authors: 楠本, 瑠美
Kusumoto, Rumi
長尾, 由貴子
Nagao, Yukiko
橋本, 珠実
Hashimoto, Tamami
船木, 真知子
Funaki, Machiko
三仲, 亜季子
Minaka, Akiko
森林, さやか
Moribayashi, Sayaka
山田, 淨
Yamada, Kiyoko
宮田, 堅司
Miyata, Kenji
Issue Date: 11-Dec-2007
Publisher: 京都女子大学食物学会
Abstract: Differential processes of immunoglobulin (Ig) gene-transcribing cells were investigated in the thymus of BALB/c male mice from neonatal to 40 weeks old. Both membrane-bound type IgM (IgM_m) and total IgM (IgM_t) transcriptions were detected by realtime PCR and the IgM_m/IgM_t ratios were determined. The ratio was approximately 1 to 1 week after the birth, and then decreased gradually following to age increase. Kinetics was applied in order to analyze the result with supposing that the transcription quantity was proportional to the cell number, that immature cells transcribing membrane-bound type IgM_m continued to be supplied from stem cells in vivo, and that the concentration of total cells transcribing IgM_t was unchanged in the thymus with age. Immature IgM_m cells were thought to differentiate either to ones transcribing secretory type IgM (IgM_s) or to other class 1g-transcribing by recombining heavy-chain genes. Theoretical values were in fair agreement with experimental values of log IgM_m/IgM_t on the first order concurrent reaction process and the rate constants for each process were determined.
URI: http://hdl.handle.net/11173/1431
Appears in Collections:第62号(2007-12-11)

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