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Exogenous expression of WT1 gene influences U937 cell biological behaviors and activates MAPK and JAK-STAT signaling pathways

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机构: [1]Chinese Acad Med Sci, Inst Hematol, State Key Lab Expt Hematol, Tianjin, Peoples R China; [2]Chinese Acad Med Sci, Blood Dis Hosp, Tianjin, Peoples R China; [3]Peking Union Med Coll, Tianjin, Peoples R China; [4]Capital Med Univ, Beijing Tiantan Hosp, Dept Hematol, Beijing, Peoples R China
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关键词: Wilms' tumor 1 (WT1) gene Leukemia Target gene Signaling pathway Microarraya

摘要:
Wilms' tumor 1 (WT1) gene plays important roles in leukemogenesis. To further explore its underlying mechanisms, we transfected two WT1 isoforms, WT1(+17AA/-KTS) and WT1(+17AA/+KTS) into U937, a WT1-null monoblastic cell line, studied their effects on migration, colony formation, apoptosis, gene expression and pertinent signaling pathways of U937 cells. The results showed that WT1(+17AA/-KTS), but not WT1(+17AA/+KTS), enhanced migration and colony forming abilities of U937 cells, and suppressed etoposide-induced U937 cell apoptosis. Transfection of WT1 isoforms activated gene expressions of chemokine, and induced up-regulation of signaling molecules involved in JAK-STAT and MAPK signaling pathways. This study showed that exogenous expression of WT1 gene remarkably affected biological behaviors of U937 cells, and these effects are possibly mediated by up-regulation of genes related to chemokine, JAK-STAT and MAPK signaling pathways. (C) 2014 Elsevier Ltd. All rights reserved.

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出版当年[2013]版:
大类 | 3 区 医学
小类 | 3 区 血液学 3 区 肿瘤学
最新[2023]版:
大类 | 4 区 医学
小类 | 4 区 血液学 4 区 肿瘤学
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出版当年[2012]版:
Q2 ONCOLOGY Q2 HEMATOLOGY
最新[2023]版:
Q3 ONCOLOGY Q3 HEMATOLOGY

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第一作者机构: [1]Chinese Acad Med Sci, Inst Hematol, State Key Lab Expt Hematol, Tianjin, Peoples R China; [2]Chinese Acad Med Sci, Blood Dis Hosp, Tianjin, Peoples R China; [3]Peking Union Med Coll, Tianjin, Peoples R China; [4]Capital Med Univ, Beijing Tiantan Hosp, Dept Hematol, Beijing, Peoples R China
通讯作者:
通讯机构: [1]Chinese Acad Med Sci, Inst Hematol, State Key Lab Expt Hematol, Tianjin, Peoples R China; [2]Chinese Acad Med Sci, Blood Dis Hosp, Tianjin, Peoples R China; [3]Peking Union Med Coll, Tianjin, Peoples R China;
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