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GROUP A
I. (noun)
Sense 1
Meaning:
The blood group whose red cells carry the A antigen
Synonyms:
A; group A; type A
Classified under:
Hypernyms ("group A" is a kind of...):
blood group; blood type (human blood cells (usually just the red blood cells) that have the same antigens)
Context examples:
Nuclear receptor subfamily 4 group A member 3 (626 aa, ~68 kDa) is encoded by the human NR4A3 gene.
(Nuclear Receptor Subfamily 4 Group A Member 3, NCI Thesaurus)
Individuals with group A blood are more vulnerable to enterotoxigenic Escherichia coli (ETEC) bacterial infections than people with other blood groups, says a new study.
(People with type A blood at most risk of severe diarrhoea, SciDev.Net)
Mutation of the gene is associated with trichothiodystrophy, complementation group A.
(GTF2H5 wt Allele, NCI Thesaurus)
Ethnicity - an arbitrary classification of the social group a person belongs to, and either identifies with or is identified with by others, as a result of a complex of cultural, biological, geographical and other factors such as linguistic, dietary and religion traditions; ancestry, background, allegiance, or association; and physical characteristics traditionally associated with race.
(Ethnicity, NCI Thesaurus)
According to the study, a protein identified as EtpA and secreted by various strains of ETEC interacts with the intestinal epithelial cells of blood group A individuals causing severe diarrhoea.
(People with type A blood at most risk of severe diarrhoea, SciDev.Net)
James Fleckenstein, professor of medicine and molecular microbiology at the Washington University School of Medicine and an author of the study, says the work focused on the binding of the EtpA protein of the specific H10407 strain of ETEC on blood group A using a group of healthy volunteers in the US.
(People with type A blood at most risk of severe diarrhoea, SciDev.Net)
He explained that the study though was based on earlier work of investigators at the International Centre for Diarrhoeal Disease Research in Dhaka, Bangladesh, who had previously shown that children naturally exposed to ETEC are more likely to get sick if they are blood group A.
(People with type A blood at most risk of severe diarrhoea, SciDev.Net)
We are not suggesting that we should be blood typing all individuals with diarrhoea, but individuals with blood group A appear to be at highest risk for severe infection and stand to benefit the most in terms of preventing the most severe form of illness, Fleckenstein tells.
(People with type A blood at most risk of severe diarrhoea, SciDev.Net)
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