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| 1 | Liver transplantation for cholangiocarcinoma:Current status and new insights显示文摘Cholangiocarcinoma is a malignant tumor of the biliary system that can be classified into intrahepatic(i CCA),perihiliar(ph CCA) and distal. Initial experiences with orthotopic liver transplantation(OLT) for patientswith i CCA and ph CCA had very poor results and this treatment strategy was abandoned. In the last decade,thanks to a strict selection process and a neoadjuvant chemoradiation protocol,the results of OLT for patients with non-resectable phC CA have been shown to be excellent and this strategy has been extended worldwide in selected transplant centers. Intrahepatic cholangiocarcinoma is a growing disease in most countries and can be diagnosed both in cirrhotic and in non-cirrhotic livers. Even though OLT is contraindicated in most centers,recent investigations analyzing patients that were transplanted with a misdiagnosis of HCC and were found to have an iC CA have shown encouraging results. There is some information suggesting that patients with early stages of the disease could benefit from OLT. In this review we analyze the current stateof-the-art of OLT for cholangiocarcinoma as well as the new insights and future perspectives. | Gonzalo Sapisochín Elena Fernández de Sevilla Juan Echeverri Ramón Charco | 2015 | World Journal of Hepatology2015，7，22： | 8 |
| 2 | c-AMP/PKA信号通路在γ-氨基丁酸抑制胆管癌细胞株QBC939生长中的作用研究显示文摘目的探讨c-AMP/PKA信号通路在γ-氨基丁酸(GABA)抑制胆管癌细胞株QBC939生长中发挥的作用。方法分别以GABA、GABA+8Br(c AMP激动剂)、GABA+H89(PKA拮抗剂)孵育胆管癌细胞株QBC939 48 h,采用四甲基偶氮唑蓝(MTT)法及Annexin V-FITC/PI流式细胞术检测细胞的增殖及凋亡,ELISA法检测c AMP、蛋白激酶A(PKA)表达情况,Western blot法检测PKA I/PKA II蛋白表达。结果 MTT及流式细胞术检测结果显示8Br协同GABA所导致的增值抑制(20.30%±0.57%vs 16.11%±0.73%,t=8.977,P<0.05)和凋亡效应(32.62%±2.45%vs 28.38%±1.53%,t=2.929,P<0.05),而H89拮抗此效应;ELISA检测结果显示GABA明显上调c AMP及PKA的含量,8Br协同GABA增加c AMP含量(26.08±0.15 vs 25.88±0.06,t=8.565,P<0.05),H89拮抗GABA所导致PKA的含量(933.13±3.13 vs 947.71±6.51 t=2.512,P<0.05);Western blot检测结果显示,GABA较对照组能明显下调PKA I(0.0878±0.003 vs.0.1521±0.003,t=29.687,P<0.05),上调PKA II蛋白的表达(0.2042±0.012 vs 0.1461±0.072,t=8.152,P<0.05)。结论 GABA可能通过c AMP/PKAII信号通路发挥抑制胆管癌细胞株QBC939生长的作用。 | 王成 黄强 朱成林 黄朝君 刘臣海 谢放 王伟 | 2015 | 肝胆外科杂志2015，23，4： | 0 |
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