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KML001과 Doxercalciferol의 급성 림프구성 백혈병 세포에 대한 시너지적 항백혈병 효과
KML001 and Doxercalciferol induce synergistic antileukemic effect in acute lymphoid leukemia cells

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Authors
류양
Advisor
김인호
Major
의과대학 협동과정 종양생물학전공
Issue Date
2017-08
Publisher
서울대학교 대학원
Keywords
KML001Doxercalciferolacute lymphoid leukemiaCCRF-CEMMolt-4synergistic effect
Description
학위논문 (석사)-- 서울대학교 대학원 의과대학 협동과정 종양생물학전공, 2017. 8. 김인호.
Abstract
Abstract
Introduction: KML001 (NaAsO2, Sodium metaarsenite, KOMINOX), a kind of arsenic compound, has shown promising efficacy in non-Hodgkin’s lymphoma (NHL) both in vitro and in vivo. However, its antileukemic effect on acute lymphoid leukemia (ALL) was still not totally clear. Here, in our research, the antileukemic effect of KML001 on acute lymphoid leukemia (ALL) and its mechanism of action were investigated. And also, we tested the possibility of synergy of KML001 with Doxercalciferol, a vitamin D2 derivative.
Methods: To study the antileukemic effect of KML001 on ALL, we used MTT assay to test its cytotoxicity, flow cytometry to observe cell cycle arrest and cell apoptosis after treating two types of ALL cells, CCRF-CEM and Molt-4, with KML001. The synergistic effect of KML001 and Doxercalciferol on ALL cells was identified by MTT, flow cytometry. And finally, we did experiments like western blot, flow cytometry and intracellular calcium analysis to explore the possible reasons of this synergistic effect of two different drugs.
Results: KML001 inhibited cell proliferation in two types of ALL cell lines. Exposure of ALL cells to KML001 induced apoptosis in a time-dependent manner. KML001 caused cell cycle arrest at G2/M phase instead of G0/G1 phase shown in other leukemia cells. In addition, we found that a combination of KML001 with Doxercalciferol showed a synergistic effect on ALL cell lines and this could be attributed to its different mechanism concerning apoptosis, cell cycle arrest and calcium relevant pathway.
Conclusions: Our findings demonstrated KML001 could be a promising antileukemic agent especially when it is combined with Doxercalciferol in ALL treatment.
Language
English
URI
http://hdl.handle.net/10371/138007
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College of Medicine/School of Medicine (의과대학/대학원)Program in Cancer Biology (협동과정-종양생물학전공)Theses (Master's Degree_협동과정-종양생물학전공)
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