KAI1/CD82 suppresses hepatocyte growth factor-induced migration of hepatoma cells via upregulation of Sprouty2

KAI1/CD82 suppresses hepatocyte growth factor-induced migration of hepatoma cells via upregulation of Sprouty2
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KAI1/CD82 通过上调 Sprouty2 抑制肝细胞生长因子诱导的肝癌细胞迁移

DOI:
10.1007/s11427-008-0086-1
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发表时间:
2008-07
期刊:
Science in China Series C: Life Sciences
影响因子:
--
通讯作者:
--
中科院分区:
其他
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--
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本研究旨在探讨KAI 1/CD 82抑制肝癌细胞转移的机制。肝细胞生长因子(HGF)通过激活细胞鞘氨醇激酶1(SphK 1)诱导肝癌细胞迁移。腺病毒介导的KAI 1基因转移(Ad-KAI 1)下调SphK 1表达并抑制HGF诱导的SMMC-7721人肝癌细胞迁移。KAI 1/CD 82的过表达在蛋白水平上显著提高Sprouty 2。RNA干扰Sprouty 2可以阻断KAI 1/CD 82诱导的肝癌细胞迁移抑制和SphK 1表达下调。已经证明KAI 1/CD 82通过上调Sprouty 2抑制HGF诱导的肝癌细胞迁移。
We conducted a study concerning the suppressive mechanism of KAI1/CD82 on hepatoma cell metastasis. Hepatocyte growth factor (HGF) induces the migration of hepatoma cells through activation of cellular sphingosine kinase 1 (SphK1). Adenovirus-mediated gene transfer of KAI1 (Ad-KAI1) downregulates the SphK1 expression and suppresses the HGF-induced migration of SMMC-7721 human hepatocellcular carcinoma cells. Overexpression of KAI1/CD82 significantly elevates Sprouty2 at the protein level. Ablation of Sprouty2 with RNA interference can block the KAI1/CD82-induced suppression of hepatoma cell migration and downregulation of SphK1 expression. It is demonstrated that KAI1/CD82 suppresses HGF-induced migration of hepatoma cells via upregulation of Sprouty2.
DOI: 10.1016/0006-3002(58)90262-2
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影响因子: --
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