Influence of FcgammaRIIA and MBL polymorphisms on severe acute respiratory syndrome.
Identifieur interne : 004787 ( Main/Exploration ); précédent : 004786; suivant : 004788Influence of FcgammaRIIA and MBL polymorphisms on severe acute respiratory syndrome.
Auteurs : F F Yuan [Australie] ; J. Tanner ; P K S. Chan ; S. Biffin ; W B Dyer ; A F Geczy ; J W Tang ; D S C. Hui ; J J Y. Sung ; J S SullivanSource :
- Tissue antigens [ 0001-2815 ] ; 2005.
Descripteurs français
- KwdFr :
- Adulte, Adulte d'âge moyen, Allèles, Antigènes CD (génétique), Antigènes CD (immunologie), Femelle, Fréquence d'allèle (génétique), Fréquence d'allèle (immunologie), Humains, Lectine liant le mannose (génétique), Lectine liant le mannose (immunologie), Mâle, Polymorphisme génétique (génétique), Polymorphisme génétique (immunologie), Récepteurs du fragment Fc des IgG (génétique), Récepteurs du fragment Fc des IgG (immunologie), Sujet âgé, Syndrome respiratoire aigu sévère (génétique), Syndrome respiratoire aigu sévère (immunologie), Syndrome respiratoire aigu sévère (mortalité), Virus du SRAS (immunologie), Études cas-témoins.
- MESH :
- génétique : Antigènes CD, Fréquence d'allèle, Lectine liant le mannose, Polymorphisme génétique, Récepteurs du fragment Fc des IgG, Syndrome respiratoire aigu sévère.
- immunologie : Antigènes CD, Fréquence d'allèle, Lectine liant le mannose, Polymorphisme génétique, Récepteurs du fragment Fc des IgG, Syndrome respiratoire aigu sévère, Virus du SRAS.
- mortalité : Syndrome respiratoire aigu sévère.
- Adulte, Adulte d'âge moyen, Allèles, Femelle, Humains, Mâle, Sujet âgé, Études cas-témoins.
English descriptors
- KwdEn :
- Adult, Aged, Alleles, Antigens, CD (genetics), Antigens, CD (immunology), Case-Control Studies, Female, Gene Frequency (genetics), Gene Frequency (immunology), Humans, Male, Mannose-Binding Lectin (genetics), Mannose-Binding Lectin (immunology), Middle Aged, Polymorphism, Genetic (genetics), Polymorphism, Genetic (immunology), Receptors, IgG (genetics), Receptors, IgG (immunology), SARS Virus (immunology), Severe Acute Respiratory Syndrome (genetics), Severe Acute Respiratory Syndrome (immunology), Severe Acute Respiratory Syndrome (mortality).
- MESH :
- chemical , genetics : Antigens, CD, Mannose-Binding Lectin, Receptors, IgG.
- chemical , immunology : Antigens, CD, Mannose-Binding Lectin, Receptors, IgG.
- genetics : Gene Frequency, Polymorphism, Genetic, Severe Acute Respiratory Syndrome.
- immunology : Gene Frequency, Polymorphism, Genetic, SARS Virus, Severe Acute Respiratory Syndrome.
- mortality : Severe Acute Respiratory Syndrome.
- Adult, Aged, Alleles, Case-Control Studies, Female, Humans, Male, Middle Aged.
Abstract
Polymorphisms of human Fc gamma-receptor IIA (FcgammaRIIA) and mannose-binding lectin (MBL) genes have been associated with susceptibility to or severity of some infectious diseases. In order to investigate whether these genetic factors might influence susceptibility to infection with the severe acute respiratory syndrome-associated coronavirus (SARS-Cov) as well as the course and severity of the infection, we evaluated polymorphisms of FcgammaRIIA and MBL genes in DNA samples from a group of approximately 180 people from Hong Kong who were infected with SARS-Cov. These included 132 patients who had moderate course of SARS infection (home subgroup), 26 patients with a severe course requiring treatment in an intensive care ward (ICU subgroup) and a subgroup of 22 patients who died from SARS (deceased subgroup). A total of 200 normal blood donors from the same region were used as controls. A significant association was found between the FcgammaRIIA-R/R131 genotype and a severe course of SARS, with higher frequency of homozygosity for FcgammaRIIA-R/R131 in the ICU subgroup of SARS patients when compared with controls (P=0.03; odds ratio: 3.2; 95% confidence interval: 1.1-9.1). In comparison with controls, a significant difference in linear trend distribution of FcgammaRIIA genotypes was seen among the severe SARS patients (ICU and deceased subgroups) without co-morbidity, and the incidence of FcgammaRIIA-H/H131 was lower in these patients as well. There were no significant differences in MBL genotypes and allele frequencies among SARS patients and controls. The study reveals that in addition to age and co-morbidity, FcgammaRIIA polymorphism of individuals may also influence outcome after infection with the SARS-Cov.
DOI: 10.1111/j.1399-0039.2005.00476.x
PubMed: 16185324
Affiliations:
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Le document en format XML
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<term>Aged</term>
<term>Alleles</term>
<term>Antigens, CD (genetics)</term>
<term>Antigens, CD (immunology)</term>
<term>Case-Control Studies</term>
<term>Female</term>
<term>Gene Frequency (genetics)</term>
<term>Gene Frequency (immunology)</term>
<term>Humans</term>
<term>Male</term>
<term>Mannose-Binding Lectin (genetics)</term>
<term>Mannose-Binding Lectin (immunology)</term>
<term>Middle Aged</term>
<term>Polymorphism, Genetic (genetics)</term>
<term>Polymorphism, Genetic (immunology)</term>
<term>Receptors, IgG (genetics)</term>
<term>Receptors, IgG (immunology)</term>
<term>SARS Virus (immunology)</term>
<term>Severe Acute Respiratory Syndrome (genetics)</term>
<term>Severe Acute Respiratory Syndrome (immunology)</term>
<term>Severe Acute Respiratory Syndrome (mortality)</term>
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<term>Adulte d'âge moyen</term>
<term>Allèles</term>
<term>Antigènes CD (génétique)</term>
<term>Antigènes CD (immunologie)</term>
<term>Femelle</term>
<term>Fréquence d'allèle (génétique)</term>
<term>Fréquence d'allèle (immunologie)</term>
<term>Humains</term>
<term>Lectine liant le mannose (génétique)</term>
<term>Lectine liant le mannose (immunologie)</term>
<term>Mâle</term>
<term>Polymorphisme génétique (génétique)</term>
<term>Polymorphisme génétique (immunologie)</term>
<term>Récepteurs du fragment Fc des IgG (génétique)</term>
<term>Récepteurs du fragment Fc des IgG (immunologie)</term>
<term>Sujet âgé</term>
<term>Syndrome respiratoire aigu sévère (génétique)</term>
<term>Syndrome respiratoire aigu sévère (immunologie)</term>
<term>Syndrome respiratoire aigu sévère (mortalité)</term>
<term>Virus du SRAS (immunologie)</term>
<term>Études cas-témoins</term>
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<term>Mannose-Binding Lectin</term>
<term>Receptors, IgG</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en"><term>Antigens, CD</term>
<term>Mannose-Binding Lectin</term>
<term>Receptors, IgG</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Gene Frequency</term>
<term>Polymorphism, Genetic</term>
<term>Severe Acute Respiratory Syndrome</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Antigènes CD</term>
<term>Fréquence d'allèle</term>
<term>Lectine liant le mannose</term>
<term>Polymorphisme génétique</term>
<term>Récepteurs du fragment Fc des IgG</term>
<term>Syndrome respiratoire aigu sévère</term>
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<keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Antigènes CD</term>
<term>Fréquence d'allèle</term>
<term>Lectine liant le mannose</term>
<term>Polymorphisme génétique</term>
<term>Récepteurs du fragment Fc des IgG</term>
<term>Syndrome respiratoire aigu sévère</term>
<term>Virus du SRAS</term>
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<keywords scheme="MESH" qualifier="immunology" xml:lang="en"><term>Gene Frequency</term>
<term>Polymorphism, Genetic</term>
<term>SARS Virus</term>
<term>Severe Acute Respiratory Syndrome</term>
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<keywords scheme="MESH" qualifier="mortality" xml:lang="en"><term>Severe Acute Respiratory Syndrome</term>
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<term>Alleles</term>
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<front><div type="abstract" xml:lang="en">Polymorphisms of human Fc gamma-receptor IIA (FcgammaRIIA) and mannose-binding lectin (MBL) genes have been associated with susceptibility to or severity of some infectious diseases. In order to investigate whether these genetic factors might influence susceptibility to infection with the severe acute respiratory syndrome-associated coronavirus (SARS-Cov) as well as the course and severity of the infection, we evaluated polymorphisms of FcgammaRIIA and MBL genes in DNA samples from a group of approximately 180 people from Hong Kong who were infected with SARS-Cov. These included 132 patients who had moderate course of SARS infection (home subgroup), 26 patients with a severe course requiring treatment in an intensive care ward (ICU subgroup) and a subgroup of 22 patients who died from SARS (deceased subgroup). A total of 200 normal blood donors from the same region were used as controls. A significant association was found between the FcgammaRIIA-R/R131 genotype and a severe course of SARS, with higher frequency of homozygosity for FcgammaRIIA-R/R131 in the ICU subgroup of SARS patients when compared with controls (P=0.03; odds ratio: 3.2; 95% confidence interval: 1.1-9.1). In comparison with controls, a significant difference in linear trend distribution of FcgammaRIIA genotypes was seen among the severe SARS patients (ICU and deceased subgroups) without co-morbidity, and the incidence of FcgammaRIIA-H/H131 was lower in these patients as well. There were no significant differences in MBL genotypes and allele frequencies among SARS patients and controls. The study reveals that in addition to age and co-morbidity, FcgammaRIIA polymorphism of individuals may also influence outcome after infection with the SARS-Cov.</div>
</front>
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<name sortKey="Dyer, W B" sort="Dyer, W B" uniqKey="Dyer W" first="W B" last="Dyer">W B Dyer</name>
<name sortKey="Geczy, A F" sort="Geczy, A F" uniqKey="Geczy A" first="A F" last="Geczy">A F Geczy</name>
<name sortKey="Hui, D S C" sort="Hui, D S C" uniqKey="Hui D" first="D S C" last="Hui">D S C. Hui</name>
<name sortKey="Sullivan, J S" sort="Sullivan, J S" uniqKey="Sullivan J" first="J S" last="Sullivan">J S Sullivan</name>
<name sortKey="Sung, J J Y" sort="Sung, J J Y" uniqKey="Sung J" first="J J Y" last="Sung">J J Y. Sung</name>
<name sortKey="Tang, J W" sort="Tang, J W" uniqKey="Tang J" first="J W" last="Tang">J W Tang</name>
<name sortKey="Tanner, J" sort="Tanner, J" uniqKey="Tanner J" first="J" last="Tanner">J. Tanner</name>
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<country name="Australie"><noRegion><name sortKey="Yuan, F F" sort="Yuan, F F" uniqKey="Yuan F" first="F F" last="Yuan">F F Yuan</name>
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