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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">Associations between human leukocyte antigens &#40;HLA&#41; and sarcoidosis have been reported in several studies&#46; We aimed to investigate these associations in Turkish patients&#46;</p> <span class="elsevierStyleSectionTitle">Patients and Method</span><p class="elsevierStyleSimplePara elsevierViewall">We performed HLA-A&#44; HLA-B&#44; HLA-C&#44; and HLA-D typing in 83 patients with sarcoidosis and in 250 healthy controls using a microlymphocytotoxicity method to investigate genetic susceptibility to the disease&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">Because of significant violation of Hardy-Weinberg equilibrium at HLA-C and HLA-DQB1 loci&#44; only results obtained at other HLA loci were used&#46; Although HLA-A9&#44; HLA-B5&#44; and HLA-B8 allele frequencies were significantly higher in the patient group compared to the controls &#40;odds ratio &#91;OR&#93;&#61; 21&#46;8&#44; <span class="elsevierStyleItalic">P</span> &#61; &#46;015&#59; OR&#61;9&#46;34&#44; <span class="elsevierStyleItalic">P</span> &#61; &#46;049&#59; OR&#61;2&#46;26&#44; <span class="elsevierStyleItalic">P</span> &#61; &#46;031&#44; respectively&#41;&#44; none of the differences remained significant after applying the Bonferroni correction&#46; HLA-A24&#44; HLA-A26&#44; and HLA-B62 alleles were significantly less frequent in the patient group compared to the controls &#40;OR&#61;0&#46;48&#44; <span class="elsevierStyleItalic">P</span> &#61; &#46;018&#59; OR&#61;0&#46;19&#44; <span class="elsevierStyleItalic">P</span> &#61; &#46;003&#59; OR&#61; 0&#46;11&#44; <span class="elsevierStyleItalic">P</span> &#61; &#46;044&#44; respectively&#41;&#46; However&#44; the differences also failed to remain significant after Bonferroni correction&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">These results suggest that both HLA may play significant roles &#40;either increasing or reducing risk&#41; in the pathogenesis of sarcoidosis and in its distinct clinical forms and laboratory findings&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">En varios estudios se ha demostrado la existen-cia de asociaciones entre los ant&#237;genos leucocitarios humanos &#40;HLA&#41; y la sarcoidosis&#46; El objetivo de nuestro estudio ha sido la investigaci&#243;n de estas asociaciones en pacientes turcos&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes Y M&#233;todo</span><p class="elsevierStyleSimplePara elsevierViewall">Se ha realizado la tipificaci&#243;n HLA-A&#44; HLA-B&#44; HLA-C y HLA-C en 83 pacientes con sarcoidosis y en 250 controles sanos mediante un m&#233;todo de microlinfo-citotoxicidad&#44; con objeto de determinar la susceptibilidad frente a la enfermedad&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">Debido a la importante violaci&#243;n del equili-brio de Hardy-Weinberg en los <span class="elsevierStyleItalic">loci</span> HLA-C y HLA-DQB1&#44; s&#243;lo se utilizaron los resultados obtenidos en los dem&#225;s <span class="elsevierStyleItalic">loci</span> HLA&#46; Aunque las frecuencias de los alelos HLA-A9&#44; HLA-B5 y HLA-B8 fueron significativamente mayores en el gru-po de pacientes que en el grupo control &#40;cociente de posibili-dades &#91;CP&#93; &#61; 21&#44;8&#44; p &#61; 0&#44;015&#59; CP &#61; 9&#44;34&#44; p &#61; 0&#44;049&#59; CP &#61; 2&#44;26&#44; p &#61; 0&#44;031&#44; respectivamente&#41;&#44; ninguna de estas diferen-cias mantuvo la significaci&#243;n estad&#237;stica tras la aplicaci&#243;n de la correcci&#243;n de Bonferroni&#46; Los alelos HLA-A24&#44; HLA-A26 y HLA-B62 fueron significativamente menos frecuentes en el grupo de pacientes que en el grupo de controles &#40;CP &#61; 0&#44;48&#44; p &#61; 0&#44;018&#59; CP &#61; 0&#44;19&#44; p &#61; 0&#44;003&#59; CP &#61; 0&#44;11&#44; p &#61; 0&#44;044&#44; respectivamente&#41;&#46; Sin embargo&#44; las diferencias tampoco fueron estad&#237;sticamente significativas despu&#233;s de la correcci&#243;n de Bonferroni&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">Estos resultados indican que los HLA pueden desempe&#241;ar una funci&#243;n significativa &#40;con aumento o reducci&#243;n del riesgo&#41; en la patogenia de la sarcoidosis&#44; as&#237; como en sus diferentes formas cl&#237;nicas y en sus alteraciones anal&#237;ticas&#46;</p>"
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Vol. 40. Issue 10.
Pages 449-452 (October 2004)
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Vol. 40. Issue 10.
Pages 449-452 (October 2004)
Original Articles
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Human Leukocyte Antigens A and B in Turkish Patients With Sarcoidosis
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3829
G. Çelika,
Corresponding author
celik@medicine.ankara.edu.tr

Correspondence: Assoc. Prof G. Çelik. Kazakistan cad. 102/14 Emek, 06510. Ankara. Turkey
, E. Şena, A.F. Ülgera, Ö. Özdemir-Kumbasara, D. Alpera, A.H. Elhanb, H. Tutkakc, A. Çetinyürekb
a Department of Pulmonary Disease and Tuberculosis, School of Medicine, Ankara University, Ankara, Turkey
b Department of Biostatistics, School of Medicine, Ankara University, Ankara, Turkey
c Department of Immunology, School of Medicine, Ankara University, Ankara, Turkey
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Objective

Associations between human leukocyte antigens (HLA) and sarcoidosis have been reported in several studies. We aimed to investigate these associations in Turkish patients.

Patients and Method

We performed HLA-A, HLA-B, HLA-C, and HLA-D typing in 83 patients with sarcoidosis and in 250 healthy controls using a microlymphocytotoxicity method to investigate genetic susceptibility to the disease.

Results

Because of significant violation of Hardy-Weinberg equilibrium at HLA-C and HLA-DQB1 loci, only results obtained at other HLA loci were used. Although HLA-A9, HLA-B5, and HLA-B8 allele frequencies were significantly higher in the patient group compared to the controls (odds ratio [OR]= 21.8, P = .015; OR=9.34, P = .049; OR=2.26, P = .031, respectively), none of the differences remained significant after applying the Bonferroni correction. HLA-A24, HLA-A26, and HLA-B62 alleles were significantly less frequent in the patient group compared to the controls (OR=0.48, P = .018; OR=0.19, P = .003; OR= 0.11, P = .044, respectively). However, the differences also failed to remain significant after Bonferroni correction.

Conclusions

These results suggest that both HLA may play significant roles (either increasing or reducing risk) in the pathogenesis of sarcoidosis and in its distinct clinical forms and laboratory findings.

Key Words:
Human leukocyte antigens
Sarcoidosis
Turkish patients
Objetivo

En varios estudios se ha demostrado la existen-cia de asociaciones entre los antígenos leucocitarios humanos (HLA) y la sarcoidosis. El objetivo de nuestro estudio ha sido la investigación de estas asociaciones en pacientes turcos.

Pacientes Y Método

Se ha realizado la tipificación HLA-A, HLA-B, HLA-C y HLA-C en 83 pacientes con sarcoidosis y en 250 controles sanos mediante un método de microlinfo-citotoxicidad, con objeto de determinar la susceptibilidad frente a la enfermedad.

Resultados

Debido a la importante violación del equili-brio de Hardy-Weinberg en los loci HLA-C y HLA-DQB1, sólo se utilizaron los resultados obtenidos en los demás loci HLA. Aunque las frecuencias de los alelos HLA-A9, HLA-B5 y HLA-B8 fueron significativamente mayores en el gru-po de pacientes que en el grupo control (cociente de posibili-dades [CP] = 21,8, p = 0,015; CP = 9,34, p = 0,049; CP = 2,26, p = 0,031, respectivamente), ninguna de estas diferen-cias mantuvo la significación estadística tras la aplicación de la corrección de Bonferroni. Los alelos HLA-A24, HLA-A26 y HLA-B62 fueron significativamente menos frecuentes en el grupo de pacientes que en el grupo de controles (CP = 0,48, p = 0,018; CP = 0,19, p = 0,003; CP = 0,11, p = 0,044, respectivamente). Sin embargo, las diferencias tampoco fueron estadísticamente significativas después de la corrección de Bonferroni.

Conclusiones

Estos resultados indican que los HLA pueden desempeñar una función significativa (con aumento o reducción del riesgo) en la patogenia de la sarcoidosis, así como en sus diferentes formas clínicas y en sus alteraciones analíticas.

Palabras clave:
Antígenos HLA
Sarcoidosis
Pacientes turcos
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Copyright © 2004. Sociedad Española de Neumología y Cirugía Torácica (SEPAR)
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