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The role ofv-Abl tyrosine kinase in ...
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Hinrichs-Sterling, Karen.
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The role ofv-Abl tyrosine kinase in transformation and apoptosis.
紀錄類型:
書目-語言資料,印刷品 : Monograph/item
正題名/作者:
The role ofv-Abl tyrosine kinase in transformation and apoptosis./
作者:
Hinrichs-Sterling, Karen.
面頁冊數:
292 p.
附註:
Adviser: Kathryn Calame.
Contained By:
Dissertation Abstracts International63-10B.
標題:
Chemistry, Biochemistry. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3066852
ISBN:
0493862641
The role ofv-Abl tyrosine kinase in transformation and apoptosis.
Hinrichs-Sterling, Karen.
The role ofv-Abl tyrosine kinase in transformation and apoptosis.
- 292 p.
Adviser: Kathryn Calame.
Thesis (Ph.D.)--Columbia University, 2002.
The v-Abl tyrosine kinase is a constitutively active form of the cellular kinase c-Abl. While causing pre-B cell lymphomas <italic>in vivo</italic>, v-Abl can transform pre-B cells, as well as some fibroblasts and myeloid cells <italic> in vitro</italic>. This thesis explores the initial response of primary cells to v-Abl expression and the circumstances under which primary cells undergo apoptosis, or become transformed, by v-Abl. v-Abl-dependent induction of <italic> p19arf</italic> transcription is presented as one mechanism by which v-Abl can cause apoptosis in fibroblasts. We identified an EN binding site as the v-Abl response element in the human <italic>p14ARF</italic> promoter, and an E2F as well as two overlapping Sp1 binding sites as v-Abl response elements in the murine <italic>p19arf</italic> promoter. In addition, we compared the extent of v-Abl-dependent apoptosis and transformation in primary mouse embryo fibroblasts (MEFs) and pre-B lymphocytes of wild type, p53<super>−/− </super>, and p73<super>−/−</super> genetic backgrounds and found that v-Abl-mediated apoptosis in pre-B cells, but not MEFs, is p53-independent. Finally, we identified <italic>c-myc</italic> gene amplification as an event that contributes to v-Abl-dependent transformation of p53<super>−/− </super> mouse embryo fibroblasts. Apoptosis versus transformation by other oncogenes, as well as potential determinants of the pre-B cell preference of v-Abl for transformation <italic>in vivo</italic> are discussed.
ISBN: 0493862641Subjects--Topical Terms:
1017722
Chemistry, Biochemistry.
The role ofv-Abl tyrosine kinase in transformation and apoptosis.
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The v-Abl tyrosine kinase is a constitutively active form of the cellular kinase c-Abl. While causing pre-B cell lymphomas <italic>in vivo</italic>, v-Abl can transform pre-B cells, as well as some fibroblasts and myeloid cells <italic> in vitro</italic>. This thesis explores the initial response of primary cells to v-Abl expression and the circumstances under which primary cells undergo apoptosis, or become transformed, by v-Abl. v-Abl-dependent induction of <italic> p19arf</italic> transcription is presented as one mechanism by which v-Abl can cause apoptosis in fibroblasts. We identified an EN binding site as the v-Abl response element in the human <italic>p14ARF</italic> promoter, and an E2F as well as two overlapping Sp1 binding sites as v-Abl response elements in the murine <italic>p19arf</italic> promoter. In addition, we compared the extent of v-Abl-dependent apoptosis and transformation in primary mouse embryo fibroblasts (MEFs) and pre-B lymphocytes of wild type, p53<super>−/− </super>, and p73<super>−/−</super> genetic backgrounds and found that v-Abl-mediated apoptosis in pre-B cells, but not MEFs, is p53-independent. Finally, we identified <italic>c-myc</italic> gene amplification as an event that contributes to v-Abl-dependent transformation of p53<super>−/− </super> mouse embryo fibroblasts. Apoptosis versus transformation by other oncogenes, as well as potential determinants of the pre-B cell preference of v-Abl for transformation <italic>in vivo</italic> are discussed.
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