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血小板衍生生长因子受体和COX-2与胃癌研究进展

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摘要 血小板衍生生长因子受体(PDGFR)是Ⅲ型酪氨酸激酶受体家族,包括两种酪氨酸激酶受体即PDGFR-α、β,存在于细胞质中的血管生成因子,可以通过自分泌或旁分泌方式参与肿瘤间质血管生成的调节,促进细胞的增殖及迁移,影响着胃癌的发生、发展及预后。环氧合酶-2(COX-2)是花生四烯酸合成前列腺素的关键酶之一,属诱导性酶,COX-2的高表达在消化系肿瘤的发生、发展、浸润及转移中起重要作用。在胃癌中,PDGFR与COX-2均存在高表达,且二者具有协同作用,与促进胃癌血管形成及加速肿瘤细胞浸润、转移有关。
出处 《中国医药指南》 2012年第8期382-384,共3页 Guide of China Medicine
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