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1.
J Rheumatol ; 26(10): 2148-52, 1999 Oct.
Article in English | MEDLINE | ID: mdl-10529131

ABSTRACT

OBJECTIVE: To study the contribution of the IL10 gene to the susceptibility to systemic lupus erythematosus (SLE). METHODS: Analysis by fluorescent-semiautomated genotyping of a dinucleotide repeat located in the promoter region of the IL10 locus (microsatellite G). RESULTS: No significant difference was found in the frequencies of the microsatellite alleles of 330 Mexican patients with SLE compared to 368 controls from the same population. Two-point linkage analyses were carried out using 13 Mexican, 13 Swedish, and 8 Icelandic families with 2 or more cases with SLE. No linkage was revealed between IL10 and SLE, using a variety of parameter settings. CONCLUSION: Our results do not support that the IL10 gene contributes to the susceptibility to SLE in the populations we studied.


Subject(s)
Interleukin-10/genetics , Lupus Erythematosus, Systemic/genetics , Dinucleotide Repeats/genetics , Female , Gene Frequency , Genetic Predisposition to Disease , Genotype , Humans , Lupus Erythematosus, Systemic/immunology , Male , Mexico , Microsatellite Repeats , Promoter Regions, Genetic/genetics
2.
J Autoimmun ; 13(1): 137-41, 1999 Aug.
Article in English | MEDLINE | ID: mdl-10441178

ABSTRACT

Systemic lupus erythematosus is a disease of unknown etiology. Multiple genetic factors are believed to be involved in its pathogenesis. In addition, and due to genetic heterogeneity, these factors and/or their combinations may be different in different ethnic groups, while some might be shared between populations. We have performed genome scans in multicase families from three different population groups, two from Northern Europe, with a high degree of homogeneity, and the third from a recently admixed population of Mexican Mestizos. Although our family material is relatively small, the results presented here show that using family sets from well defined populations are sufficient to detect susceptibility loci for SLE. Our results also reveal the chromosomal regions most likely to contain susceptibility genes for SLE.


Subject(s)
Genome, Human , Lupus Erythematosus, Systemic/genetics , Ethnicity/genetics , Female , Genetic Techniques , Genetics, Population , Humans , Iceland/epidemiology , Indians, North American/genetics , Lod Score , Lupus Erythematosus, Systemic/epidemiology , Male , Mexico/epidemiology , Sweden/epidemiology , United States/epidemiology , White People/genetics
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