کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11945046 | 1081246 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Biomarker analysis of fucosylated kininogen through depletion of lectin reactive heterophilic antibodies in hepatocellular carcinoma
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کلمات کلیدی
AALAUROCAUC - AUCHCC - HCCalpha-fetoprotein - آلفا فتو پروتئینAleuria aurantia lectin - آلووریا آرنتیا لکتینBiomarker - بیومارکرAFP - تست AFP یا آلفا فیتو پروتئینarea under curve - منطقه تحت منحنیpoly-ethylene glycol - پلی اتیلن گلیکولPEG - پلیاتیلن گلیکول Hepatocellular carcinoma - کارسینوم هپاتوسلولار(کارسینوم سلولهای استخوانی)Glycosylation - گلیکوزیله شدن
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
بیوتکنولوژی یا زیستفناوری
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Hepatocellular carcinoma (HCC) accounts for >700,000 deaths worldwide, largely related to poor rates of diagnosis. Our previous work identified glycoproteins with increased levels of fucosylation in HCC. Plate-based assays to measure this change were compromised by increased levels of heterophilic antibodies with glycan lacking terminal galactose residues, which allowed for increased binding to the lectins used in these assays. To address this issue, we developed a multi-step protein A/G incubation and filtration method to remove the contaminating signal. However, this method was time consuming and expensive so alternative methods were desired. Herein, we describe a simple method relying on PEG precipitation that allows for the removal of IgG and IgM but retention of glycoproteins of interest. This method was tested on three sample sets, two internal and one external. PEG depletion of heterophilic IgG and IgM reduced in the coefficient of variation as observed with the protein A/G filtration method from 26.82% to 7.50% and allowed for the measurement of fucosylated protein. This method allowed for the measurement of fucosylated kininogen, which could serve as a biomarker of HCC. In conclusion, a new and simple method for the depletion of heterophilic IgG and IgM was developed and allowed for the analysis of fucosylated kininogen in patients with liver disease.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Immunological Methods - Volume 462, November 2018, Pages 59-64
Journal: Journal of Immunological Methods - Volume 462, November 2018, Pages 59-64
نویسندگان
Mengjun Wang, Jiabin Shen, Harmin Herrera, Amit Singal, Charles Swindell, Lu Renquan, Anand Mehta,