{"title":"Recent Demands of Glycomics: Subprojects and the Role of New Journals","authors":"V. Pomin","doi":"10.4172/2168-958X.1000E102","DOIUrl":"https://doi.org/10.4172/2168-958X.1000E102","url":null,"abstract":"","PeriodicalId":92404,"journal":{"name":"Journal of glycobiology","volume":"2012 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2012-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70860076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"hCG and Hyperglycosylated hCG Carbohydrate Structure Corrected","authors":"L. Cole","doi":"10.4172/2168-958X.1000114","DOIUrl":"https://doi.org/10.4172/2168-958X.1000114","url":null,"abstract":"Multiple articles have been published describing the N-linked and O-linked oligosaccharide structures of hCG. All, however, have used purified preparation from pregnancy urine and from choriocarcinoma patient urine. This has told the scientific community that pregnancy and choriocarcinoma hCG-related molecules contain Type 1 and Type 2 O-linked oligosaccharides and biantennary and triantennary N-linked oligosaccharide. Recent years have seen the demonstration of two completely independent hCG molecules, hCG and hyperglycosylated hCG. hCG is a pregnancy hormone made by syncytiotrophoblast cell. Hyperglycosylated hCG is a TGFs receptor binding autocrine produced by cytotrophoblast cells. The two independent share a common amino acid sequence and just vary in carbohydrate structure. Unfortunately, all the carbohydrate structure reports are on a mixture of hCG and hyperglycosylated hCG, as present in pregnancy and choriocarcinoma. This does not all anyone to clearly see the carbohydrate structural differences between the two molecules. Here we carefully examine the carbohydrate structural differences between hCG and hyperglycosylated hCG using the B152 hyperglycosylated hCG-specific immunoassay. It is shown that hCG has only Type 1 O-linked oligosaccharides, while hyperglycosylated hCG only has Type 2 O-linked oligosaccharides. Type of O-linked oligosaccharide structure completely distinguishes hCG and hyperglycosylated hCG.","PeriodicalId":92404,"journal":{"name":"Journal of glycobiology","volume":"4 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"1970-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70859382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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