蛋白质酪氨酸磷酸酶SHP-1的中药抑制剂筛选

Journal of Jilin University(Science Edition)(2008)

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Abstract
用含有蛋白质酪氨酸磷酸酶SHP-1催化结构域(ΔSHP-1)的质粒转化大肠杆菌,得到ΔSHP-1的高效表达,经分离纯化后,以ΔSHP-1为靶标,通过体外酶反应动力学实验,对157种中药水提液的抑制效果进行研究,筛选出两种对ΔSHP-1具有显著抑制作用的中药:山茱萸和蒲公英,并对其IC50及抑制类型做了进一步研究.为建立蛋白质酪氨酸磷酸酶抑制剂的筛选方法和中药在治疗免疫疾病和糖尿病上的开发和应用提供了理论依据.
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Key words
SH2-containing tyrosine phosphatase 1(SHP-1),screening,inhibitor,traditional Chinese herb
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