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目的:研究白细胞介素-1β(Interleukin-1β,IL-1β)对人冠状动脉平滑肌细胞(human coronary artery smooth muscle cell,HCASMC)基质金属蛋白酶3(matrix metalloproteinase3,MMP-3)金属蛋白酶组织抑制因子1(tissue inhibitor of metallopro-teinase1,TI MP-1)分泌平衡的影响。方法:培养HCASMC,至第5-7代时,分别加入20μg·L^-1和0μg·L^