نتایج جستجو برای: secretor
تعداد نتایج: 462 فیلتر نتایج به سال:
Some 30 lectins in combination with glycosidase digestion and immunohistochemistry with 5 antibodies directed against antigens of the ABO and Lewis blood group systems were used to analyse the distribution and synthesis of glycoconjugates in the epithelium of the large airways in man. Both mucous gland cells and goblet cells were labelled by 12 of 30 lectins and by the antibodies, dependent on ...
We describe the genetic diversity of sapovirus (SaV) in children in Nicaragua and investigate the role of host genetic factors and susceptibility to SaV infections. Our results indicate that neither ABO blood group, Lewis phenotype, nor secretor status affects susceptibility to SaV infection in Nicaragua.
Blood groups (ABO, Rh-including sub-types M-N, Duffy), secretor status and ability to taste Phenylthiocarbamide (PTC) were investigated in 102 medical students of Delhi University, and the distribution was found similar to that observed in the north Indians. Both faster and secretors had highest percentage in AB, O and in rr, while the lowest values were obtained in B and R1r.
BACKGROUND The live oral rotavirus (RV) vaccines have shown a reduced efficacy in Africa. Recent in vitro studies have shown binding of the RV surface protein (VP4) to histo-blood group antigens (HBGAs) in an RV genotype-dependent manner, suggesting them to be putative receptors for RV. The diversity of HBGA phenotypes in different ethnic populations, combined with prevalence/absence of specifi...
The Lewis histo-blood group system comprises two major antigens, Lewis a and Lewis b. The Lewis b antigen is a product of two fucosyltransferases, the alpha(1,3/1,4)fucosyltransferase (Lewis enzyme; Fuc-TIII) encoded by the Lewis gene and an alpha(1,2)fucosyltransferase which is not required for synthesis of Lewis a antigen. An enzyme responsible for secreting ABH antigens into body secretions ...
OBJECTIVE To investigate the relationship between secretion or nonsecretion of blood group antigens into the saliva and oral lichen planus (OLP). SUBJECTS AND METHODS In this study, 30 patients (women: 22, men: 8) with OLP were examined as the case group and 30 subjects without OLP matched for age and gender as the control group. Diagnosis of OLP was confirmed by clinical and histopathologica...
BACKGROUND Subjects with non-O ABO blood group alleles have increased risk of pancreatic cancer. Glycosyltransferase activity is greater for the A(1) versus A(2) variant, whereas O01 and O02 variants are nonfunctioning. We hypothesized: 1) A(1) allele would confer greater risk than A(2) allele, 2) protective effect of the O allele would be equivalent for O01 and O02 variants, 3) secretor phenot...
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