PUBLICAÇÕES científicas

Role of HIF1A, VEGFA and VEGFR2 SNPs in the Susceptibility and Progression of COPD in a Spanish Population

Baz-Dávila R (1), Espinoza-Jiménez A (1), Rodríguez-Pérez M del C (1), Zulueta J (2), Varo N [ES] (3), Montejo Á (4), Almeida-González D (5), Aguirre-Jaime A (1), Córdoba-Lanús E (1), Casanova C (1,4).
(1) Research Unit, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain.
(2) Pulmonary Department, Clínica Universitaria de Navarra, Pamplona, Spain.
(3) Biochemical Analysis Department, Clínica Universitaria de Navarra, Pamplona, Spain.
(4) Pulmonary Department, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain.
5Immunology Department, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain. 

Revisão:PloS One

Data: 1/Mai/2016

Bioquímica Clínica [ES] Pneumologia

RESUMO

Hypoxia is involved in the development of chronic inflammatory processes. Under hypoxic conditions HIF1A, VEGF and VEGFR2 are expressed and mediate the course of the resultant disease.

The aim of the present study was to define the associations between tSNPs in these genes and COPD susceptibility and progression in a Spanish cohort.

The T alleles in rs3025020 and rs833070 SNPs (VEGFA gene) were less frequent in the group of COPD cases and were associated with a lower risk of developing the disease (OR = 0.60; 95% CI = 0. 39-0.93; p = 0.023 and OR = 0.60; 95% CI = 0.38-0.96; p = 0.034, respectively) under a dominant model of inheritance. The haplotype in which both SNPs presented the T allele confirmed the association found (OR = 0.02; 95% CI = 0.00 to 0.66; p = 0.03).

Moreover, patients with COPD carrying the T allele in homozygosis in rs3025020 SNP showed higher lung function values and this association remained constant during 3 years of follow-up. In conclusion, T allele in rs833070 and rs3025020 may confer a protective effect to COPD susceptibility in a Spanish population and the association of the SNP rs3025020 with lung function may be suggesting a role for VEGF in the progression of the disease.

CITAÇÃO DO ARTIGO  PLoS One. 2016 May 10;11(5):e0154998. doi: 10.1371/journal.pone.0154998. eCollection 2016

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