Normal allele: GG
FUT2 gene fragment affects serum vitamin B12 concentration via hologaptocorrin. Presumably reduces the amount of vitamin B12 absorption from food and tablets. Administration of B12 in the form of injections is recommended.
Polymorphism rs601338 is related to topics like this:
Research and publications:
12692541 Human susceptibility and resistance to Norwalk virus infection.
18776911 Common variants of FUT2 are associated with plasma vitamin B12 levels.
19379518 Development of a fingerprinting panel using medically relevant polymorphisms.
19744961 Genome-wide significant predictors of metabolites in the one-carbon metabolism pathway.
20041166 Common genetic variation and the control of HIV-1 in humans
21507254 Geographic differences in allele frequencies of susceptibility SNPs for cardiovascular disease.
21829393 Genome-wide association analysis of autoantibody positivity in type 1 diabetes cases.
22024213 A novel gene-environment interaction involved in endometriosis
22025780 FUT2 nonsecretor status links type 1 diabetes susceptibility and resistance to infection.
25642664 FUT 2 polymorphism and outcome in very-low-birth-weight infants.
26766790 Association of Ulcerative Colitis with FUT2 and FUT3 Polymorphisms in Patients from Southeast China.
27871240 ABO antigen and secretor statuses are not associated with gut microbiota composition in 1,500 twins.
28824326 FUT2 genetic variants as predictors of tumor development with hepatocellular carcinoma.
30345375 FUT2 secretor genotype and susceptibility to infections and chronic conditions in the ALSPAC cohort.
30376117 FUT2 Genetic Variants and Reported Respiratory and Gastrointestinal Illnesses During Infancy.
30615603 Association of Fucosyltransferase 2 Gene Variant with Inflammatory Bowel Diseases: A Meta-Analysis.
31666285 Common and Rare Sequence Variants Influencing Tumor Biomarkers in Blood.
34159422 Host genetic control of gut microbiome composition.
20570966 Nonsecretory fucosyltransferase 2 (FUT2) status is associated with Crohn's disease.
27303667 Genetic influences on the development of fibrosis in Crohn's disease.
24326010 FUT2: bridging the gene-environment gap in Behçet's disease?
34739405 Fucosyltransferase 2 mutations are associated with a favorable clinical course of Crohn's disease.