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CD33分子信号传递及其功能的研究进展 被引量:3

Signal transduction and functional of CD33 molecular
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摘要 CD33分子为一种跨膜受体,主要存在于血液、骨髓和淋巴细胞中.它属于免疫球蛋白超家族成员,并且是能够结合唾液酸的免疫球蛋白样的凝集素家族成员.在这一膜受体内部存在免疫受体酪氨酸抑制基序(ITIM).由于ITIM能够特异性的与酪氨酸磷酸酶shp-1和shp-2结合并向胞内传递抑制性信号,从而达到抑制细胞活性的目的,所以CD33分子主要在临床上作为一种靶位点用于急性骨髓系白血病(AML)的治疗. CD33 molecule is a type of transmembrane receptor which mainly exists in blood, bone marrow and lym- phoeytes. It belongs to immunoglobulin superfamily and is also a member of sialic acid - binding immunoglobulin - like lectin family. Within this membranee receptor, there exists immunoreceptor tyrosine - based inhibitory motif (ITIM). Because ITIM can be specifically bound with (protein) tyrosine phosphatase shp - 1 and shp -2, and then transmit inhibitory signals into the cells, inhibiting cell activity, CD33 molecule is clinically used as a target site in treatment of Acute myeloid leukemia (AML).
出处 《商丘师范学院学报》 CAS 2010年第3期1-5,共5页 Journal of Shangqiu Normal University
基金 国家重点基础研究发展计划项目(973)(2007CB815802) 国家高技术研究发展计划项目(863)(2007AA09Z400) 国家教育部留学归国人员基金资助项目 辽宁省高校创新团队支持计划项目(2006R32 2007T089 2008T103)
关键词 CD33 ITIM AML CD33 ITIM AML
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