{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T20:51:56Z","timestamp":1773089516096,"version":"3.50.1"},"reference-count":44,"publisher":"Wiley","license":[{"start":{"date-parts":[[2019,1,6]],"date-time":"2019-01-06T00:00:00Z","timestamp":1546732800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Universidad de Guadalajara"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Immunology Research"],"published-print":{"date-parts":[[2019,1,6]]},"abstract":"Introduction<\/jats:italic>. Systemic Sclerosis (SSc) is an autoimmune, inflammatory, and multisystemic disease characterized by the presence of autoantibodies and fibrosis. The pathogenesis involves the interaction between immune system cells such as macrophages, NK cells, T cells, and B cells. Killer-cell Immunoglobulin-like Receptors (KIR) are expressed in NK cells and some T cell subsets that recognize HLA class I molecules as ligands and are involved in regulating the activation and inhibition of these cells. The KIR<\/jats:italic> family consists of 14 genes and two pseudogenes; according to the gene content, the genotype could be AA and Bx. The aim of this study was to evaluate the association between KIR\/HLA<\/jats:italic> genes and genotypes with SSc and the clinical characteristics. Methods<\/jats:italic>. We included 50 SSc patients and 90 Control Subjects (CS). Genotyping of KIR<\/jats:italic>, HLA-C<\/jats:italic>, -Bw4<\/jats:italic>, and -A<\/jats:italic>\u2217<\/mml:mo><\/mml:mrow><\/mml:msup><\/mml:math>03\/<\/jats:italic>\u2217<\/mml:mo><\/mml:mrow><\/mml:msup><\/mml:math>11<\/jats:italic> was made by SSP-PCR. Results<\/jats:italic>. In SSc patients, a higher frequency of KIR2DL2<\/jats:italic> (p<\/mml:mi>=<\/mml:mo>0.0007<\/mml:mn><\/mml:math>, p<\/mml:mi><\/mml:mrow>\u2032<\/mml:mo><\/mml:mrow><\/mml:msup>=<\/mml:mo>0.011<\/mml:mn><\/mml:math>), KIR2DS4del<\/jats:italic> (p<\/mml:mi>=<\/mml:mo>0.001<\/mml:mn><\/mml:math>, p<\/mml:mi><\/mml:mrow>\u2032<\/mml:mo><\/mml:mrow><\/mml:msup>=<\/mml:mo>0.021<\/mml:mn><\/mml:math>), and HLA-C2<\/jats:italic> (p<\/mml:mi>=<\/mml:mo>0.02<\/mml:mn><\/mml:math>, p<\/mml:mi><\/mml:mrow>\u2032<\/mml:mo><\/mml:mrow><\/mml:msup>=<\/mml:mo>0.09<\/mml:mn><\/mml:math>) was found. This is the first study to evaluate the frequency of HLA-A<\/jats:italic>\u2217<\/mml:mo><\/mml:mrow><\/mml:msup><\/mml:math>03\/<\/jats:italic>\u2217<\/mml:mo><\/mml:mrow><\/mml:msup><\/mml:math>11<\/jats:italic> in SSc patients, of which a low frequency was found in both groups. Compound genotypes KIR2DL2+\/HLA-C1+<\/jats:italic> or KIR2DL2+\/HLA-C2+<\/jats:italic> have a higher frequency in SSc patients. The Bx genotype was the most frequent and was associated with risk to SSc (p<\/mml:mi>=<\/mml:mo>0.007<\/mml:mn><\/mml:math>, OR<\/mml:mtext>=<\/mml:mo>3.1<\/mml:mn><\/mml:math>, 95% C<\/mml:mi>I<\/mml:mi>=<\/mml:mo>1.4<\/mml:mn><\/mml:math>\u20137.9, p<\/mml:mi><\/mml:mrow>\u2032<\/mml:mo><\/mml:mrow><\/mml:msup>=<\/mml:mo>0.014<\/mml:mn><\/mml:math>). The genotypes with a higher iKIR<\/jats:italic> number than aKIR<\/jats:italic> (i<\/mml:mi>K<\/mml:mi>I<\/mml:mi>R<\/mml:mi>><\/mml:mo>a<\/mml:mi>K<\/mml:mi>I<\/mml:mi>R<\/mml:mi><\/mml:math>) were found in all individuals; genotypes with 7-8 iKIR<\/jats:italic> genes were increased in SSc patients. We do not find an association between the KIR<\/jats:italic> genes with the clinical characteristics. Conclusion<\/jats:italic>. The results suggest that KIR2DL2<\/jats:italic> and 2DS4del<\/jats:italic> could have a risk role in the development of SSc, but not with clinical manifestations.<\/jats:p>","DOI":"10.1155\/2019\/6808061","type":"journal-article","created":{"date-parts":[[2019,1,6]],"date-time":"2019-01-06T18:33:33Z","timestamp":1546799613000},"page":"1-11","source":"Crossref","is-referenced-by-count":11,"title":["KIR\/HLA<\/i> Gene Profile Implication in Systemic Sclerosis Patients from Mexico"],"prefix":"10.1155","volume":"2019","author":[{"given":"Andrea Carolina","family":"Machado-Sulbaran","sequence":"first","affiliation":[{"name":"Universidad de Guadalajara, Laboratorio de Inmunolog\u00eda, Departamento de Fisiolog\u00eda, Centro Universitario de Ciencias de la Salud, 44340 Guadalajara, Jalisco, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8066-5966","authenticated-orcid":true,"given":"Mar\u00eda Guadalupe","family":"Ram\u00edrez-Due\u00f1as","sequence":"additional","affiliation":[{"name":"Universidad de Guadalajara, Laboratorio de Inmunolog\u00eda, Departamento de Fisiolog\u00eda, Centro Universitario de Ciencias de la Salud, 44340 Guadalajara, Jalisco, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 Eduardo","family":"Navarro-Zarza","sequence":"additional","affiliation":[{"name":"Hospital General Dr. Raymundo Abarca Alarc\u00f3n, Departamento de Medicina Interna-Reumatolog\u00eda, 39019 Chilpancingo, Guerrero, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2272-9260","authenticated-orcid":true,"given":"Jos\u00e9 Francisco","family":"Mu\u00f1oz-Valle","sequence":"additional","affiliation":[{"name":"Universidad de Guadalajara, Instituto de Investigaci\u00f3n en Ciencias Biom\u00e9dicas, Departamento de Biolog\u00eda Molecular y Gen\u00f3mica, 44340 Guadalajara, Jalisco, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0786-988X","authenticated-orcid":true,"given":"Francisco","family":"Mendoza-Carrera","sequence":"additional","affiliation":[{"name":"Instituto Mexicano del Seguro Social, Divisi\u00f3n de Medicina Molecular, Centro de Investigaci\u00f3n Biom\u00e9dica de Occidente, 44340 Guadalajara, Jalisco, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christian Johana","family":"Ba\u00f1os-Hern\u00e1ndez","sequence":"additional","affiliation":[{"name":"Universidad Aut\u00f3noma de Guerrero, Laboratorio de Investigaci\u00f3n de Obesidad y Diabetes, Facultad de Ciencias Qu\u00edmico Biol\u00f3gicas, 39090 Chilpancingo, Guerrero, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9213-8263","authenticated-orcid":true,"given":"Isela","family":"Parra-Rojas","sequence":"additional","affiliation":[{"name":"Universidad 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