Genetic susceptibility to symptomatic norovirus infection in Nicaragua.: norovirus susceptibility in Nicaragua

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Genetic susceptibility to symptomatic norovirus infection in Nicaragua. : norovirus susceptibility in Nicaragua

Bucardo, Filemon (author)

Kindberg, Elin (author)

Paniagua, Margarita (author)

Grahn, Ammi, 1961 (author): Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine

Larson, Göran, 1953 (author): Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine

Vildevall, Malin (author)

Svensson, Lennart (author)

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Wiley, 2009
2009
English.
In: Journal of medical virology. - : Wiley. - 1096-9071 .- 0146-6615. ; 81:4, s. 728-35

Related links:: https://gup.ub.gu.se...; show more...; https://doi.org/10.1...; show less...

Journal article (peer-reviewed)

Abstract Subject headings

Host genetic resistance to Norovirus (NoV) has been observed in challenge and outbreak studies in populations from Europe, Asia, and USA. In this study, we have investigated if histo-blood group antigens can predict susceptibility to diarrhea caused by NoV in Nicaragua, Central America, and if this can be reflected in antibody-prevalence and titer to NoV among individuals with different histo-blood group antigen phenotypes. Investigation of 28 individuals infected with NoV and 131 population controls revealed 6% of non-secretors in the population and nil non-secretors among patients infected with NoV, suggesting that non-secretors may be protected against NoV disease in Nicaragua. Surprisingly, 25% of the population was Lewis negative (Le(a-b-)). NoV infections with genogroup I (GI) and GII occurred irrespective of Lewis genotype, but none of the Lewis a positive (Le(a + b-)) were infected. The globally dominating GII.4 virus infected individuals of all blood groups except AB (n = 5), while the GI viruses (n = 4) infected only blood type O individuals. Furthermore, O blood types were susceptible to infections with GI.4, GII.4, GII.7, GII.17, and GII.18-Nica viruses, suggesting that secretors with blood type O are susceptible (OR = 1.52) and non-secretors resistant. The overall antibody-prevalence to NoV GII.3 VLP was 62% with the highest prevalence among blood type B carriers (70%) followed by A (68%) and O (62%). All four investigated individuals carrying blood type AB were antibody-negative. Among secretors, 63% were antibody-positive compared to 33% among non-secretors (P = 0.151). This study extends previous knowledge about the histo-blood group antigens role in NoV disease in a population with different genetic background than North American and European.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Annan klinisk medicin (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Other Clinical Medicine (hsv//eng)

Keyword

ABO Blood-Group System
Adolescent
Adult
Antibodies
Viral
blood
Blood Group Antigens
Caliciviridae Infections
epidemiology
genetics
physiopathology
virology
Child
Child
Preschool
Codon
Nonsense
Fucosyltransferases
genetics
Gastroenteritis
epidemiology
genetics
physiopathology
virology
Genetic Predisposition to Disease
Humans
Infant
Lewis Blood-Group System
Middle Aged
Nicaragua
epidemiology
Norovirus
classification
genetics
immunology
pathogenicity
Prevalence
Young Adult
Secretor
genogroups

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art (subject category)

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