ABO, Rh, MNSs, sex and typhoid fever. 1993

C Y Valenzuela, and P Herrera
Departamento de Biología Celular y Genética, Facultad de Medicina, Universidad de Chile, Santiago.

A case-control study on the association between genetic markers (ABO, Rh, MNSs and sex) and typhoid fever (TF) was performed. We found that (a) the B allele conferred protection to females for TF and a mild susceptibility to males; (b) the CDe haplotype (or the RH3 phenotype, mostly CDe/CDe) was associated with protection against Salmonella in both sexes, while cDE (or RH7, mostly cDE/cDE, and RH8, mostly cDE/cde) was associated with susceptibility to TF, and (c) heterozygotes Ss (MNSs system) had a high susceptibility, while SS and particularly ss homozygotes seemed to be protected for the disease. There were very significant interactions among the blood systems and sex.

UI MeSH Term Description Entries
D008297 Male Males
D008951 MNSs Blood-Group System A system of universal human blood group isoantigens with many associated subgroups. The M and N traits are codominant and the S and s traits are probably very closely linked alleles, including the U antigen. This system is most frequently used in paternity studies. Blood-Group System, MNSs,Blood-Group Systems, MNSs,MNSs Blood Group System,MNSs Blood-Group Systems,System, MNSs Blood-Group,Systems, MNSs Blood-Group
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002677 Chile A country in southern South America, bordering the South Pacific Ocean, between Argentina and Peru.
D005260 Female Females
D005819 Genetic Markers A phenotypically recognizable genetic trait which can be used to identify a genetic locus, a linkage group, or a recombination event. Chromosome Markers,DNA Markers,Markers, DNA,Markers, Genetic,Genetic Marker,Marker, Genetic,Chromosome Marker,DNA Marker,Marker, Chromosome,Marker, DNA,Markers, Chromosome
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000017 ABO Blood-Group System The major human blood type system which depends on the presence or absence of two antigens A and B. Type O occurs when neither A nor B is present and AB when both are present. A and B are genetic factors that determine the presence of enzymes for the synthesis of certain glycoproteins mainly in the red cell membrane. ABH Blood Group,ABO Blood Group,ABO Factors,Blood Group H Type 1 Antigen,H Blood Group,H Blood Group System,ABO Blood Group System,Blood Group, ABH,Blood Group, ABO,Blood Group, H,Blood-Group System, ABO,Factors, ABO,System, ABO Blood-Group
D012204 Rh-Hr Blood-Group System Erythrocyte isoantigens of the Rh (Rhesus) blood group system, the most complex of all human blood groups. The major antigen Rh or D is the most common cause of erythroblastosis fetalis. Rh Factors,Rhesus Blood-Group System,Antigen D, Rh Blood Group,Blood-Group System, Rh-Hr,Blood-Group System, Rhesus,Blood-Group Systems, Rh-Hr,Blood-Group Systems, Rhesus,Factor, Rh,Factors, Rh,Rh Factor,Rh Hr Blood Group System,Rh-Hr Blood-Group Systems,Rhesus Blood Group System,Rhesus Blood-Group Systems,System, Rh-Hr Blood-Group,System, Rhesus Blood-Group,Systems, Rh-Hr Blood-Group,Systems, Rhesus Blood-Group
D012727 Sex Characteristics Those characteristics that distinguish one SEX from the other. The primary sex characteristics are the OVARIES and TESTES and their related hormones. Secondary sex characteristics are those which are masculine or feminine but not directly related to reproduction. Gender Characteristics,Gender Differences,Gender Dimorphism,Sex Differences,Sex Dimorphism,Sexual Dichromatism,Sexual Dimorphism,Characteristic, Gender,Characteristic, Sex,Dichromatism, Sexual,Dichromatisms, Sexual,Difference, Sex,Dimorphism, Gender,Dimorphism, Sex,Dimorphism, Sexual,Gender Characteristic,Gender Difference,Gender Dimorphisms,Sex Characteristic,Sex Difference,Sex Dimorphisms,Sexual Dichromatisms,Sexual Dimorphisms

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