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- W2373451505 abstract "AIM:To investigate the utility of Beclin-1 and LC3,two autophagy-related proteins,in predicting the cetuximab efficacy in advanced colorectal cancer(ACRC) . METHODS:The data of 85 patients with ACRC treated at the Sun Yat-sen University Cancer Center from March 1,2005 to December 31,2008 were studied,including 45 cases treated with cetuximab-containing chemotherapy and 40 cases treated with non-cetuximab-containing chemotherapy.Beclin-1 and LC3 expression was evaluated by immunohistochemistry,and KRAS status was evaluated by polymerase chain reaction. RESULTS:Beclin-1 and LC3 expression in ACRC wassignificantly correlated(r=0.44,P0.01);however,LC3 was more highly expressed in cancerous tissues than in normal tissues(Z=-2.63,P0.01) .In the cetuximab-containing chemotherapy group,patients with low LC3 expression had higher objective response rates(ORRs) than those with high LC3 expression(52.9%vs 17.9%,P=0.01) ,and patients with low Beclin-1 expression had a longer median progressionfree survival(PFS) than their counterparts with higher Beclin-1 expression(9.0 mo vs 3.0 mo,P=0.01) . However,neither of these predictive relationships was detected in the group treated with non-cetuximabcontaining chemotherapy.Patients with wild-type KRAS had higher ORRs(42.3%vs 9.1%,P=0.049) and disease control rates(DCRs)(73.1%vs 36.4%,P= 0.035) ,and longer median PFS(5.5 mo vs 2.5 mo,P= 0.02) than those with mutant KRAS in the cetuximabcontaining chemotherapy group.Neither Beclin-1(P= 0.52) nor LC3(P=0.32) expression was significantly correlated with KRAS status. CONCLUSION:Patients with low Beclin-1 expression had a longer PFS than those with high Beclin-1 expression,and patients with low LC3 expression had a higher ORR in ACRC patients treated with cetuximab-containing chemotherapy." @default.
- W2373451505 created "2016-06-24" @default.
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- W2373451505 date "2011-01-01" @default.
- W2373451505 modified "2023-09-24" @default.
- W2373451505 title "Autophagy-related proteins Beclin-1 and LC3 predict cetuximab efficacy in advanced colorectal cancer" @default.
- W2373451505 hasPublicationYear "2011" @default.
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