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Glycoproteomics analysis of plasma proteins associated with Opisthorchis viverrini infection-induced cholangiocarcinoma in hamster model 被引量:1
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作者 Pramote Sriwanitchrak Atchara Paemanee +2 位作者 Sittiruk Roytrakul vithoon viyanant Kesara Na-Bangchang 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2016年第12期1142-1147,共6页
Objective: To apply lectin affinity chromatography and glycoproteomics-based LC-MS/MS to preliminarily investigate the possible potential plasma biomarkers of Opisthorchis viverrini(OV)-associated CCA in OV/dimethylni... Objective: To apply lectin affinity chromatography and glycoproteomics-based LC-MS/MS to preliminarily investigate the possible potential plasma biomarkers of Opisthorchis viverrini(OV)-associated CCA in OV/dimethylnitrosamine(DMN)-induced CCA hamster model. Methods: Nine Syrian hamsters were divided into 3 groups as follows(n=3 each): normal(healthy control group); OV group; and OV/DMN group(CCA group). Pooled plasma samples collected from animals in each group at the 6th month post-infection with OV metacercarae were subjected to glycoproteomics analysis. Glycoproteins in the pooled sample from each group were initially isolated by concanavilin A(Con A)-based affinity chromatography. The expression of glycoproteins isolated by both enrichment methods were determined using LCMS/MS. Results: Among the 24 Con A-binding glycoproteins isolated, two proteins, N-myc downstream regulated gene 1(NDRG1) and fetuin-B(FETUB) were found up-regulated only in the samples from the OV and control groups, but not in the OV/DMN(CCA) groups. On the other hand, one protein, i.e., NSFL1 cofactor p47 isoform x3(NSFL1C) was found only in the samples from OV/DMN(CCA) and control groups, but not in the OV group. The remaining 21 proteins were upregulated in the samples from all groups. Conclusions: NDRG1, FETUB and NSFL1 C glycoproteins isolated by Con A-based affinity chromatography could be potential biomarkers for CCA. Plasma samples with negative for NDRG1 and FETUB proteins but positive for NSFL1 C are likely to be OV-associated CCA. Nevertheless, this conclusion remains to be confirmed whether this battery test can discriminate OV-associated CCA from other risk factors. 展开更多
关键词 CHOLANGIOCARCINOMA Opisthorchis viverrini GLYCOPROTEIN Hamster model ConA binding protein LC-MS/MS
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