SOCS2 polymorphisms are not associated with clinical and biochemical phenotypes in acromegalic patients.

Pituitary

Neuroendocrine Unit, Division of Endocrinology and Metabolism, Clinical Hospital of the University of São Paulo Medical School, Av Dr Eneas de Carvalho Aguiar, 155, PAMB, 8 andar, São Paulo, SP, CEP: 05403-010, Brazil.

Published: June 2017


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Article Abstract

Purpose: Suppressor of cytokine signaling 2 (SOCS2) is a STAT5b-regulated gene and one of its functions is to influence growth and development through negative regulatory effects on GH/IGF-1 pathway. So, we evaluate the potential influence of SOCS2 single nucleotide polymorphisms (SNPs) on clinical and laboratorial characteristics of a large cohort of Brazilian patients with acromegaly.

Methods: Four SOCS2 SNPs (rs3782415, rs3816997, rs3825199 and rs11107116) were selected and genotyped by real-time PCR using specific Taqman probe assays. A total of 186 patients (116 women, age range 26-88 years) were evaluated.

Results: No association of SOCS2 genotypes was observed with none of the following clinical and laboratorial characteristics: age, sex, body mass index, comorbidities, basal GH, oral glucose tolerance test GH nadir, IGF-I, ULNR-IGF-I.

Conclusion: Despite of the key role of SOCS2 in the regulation of GH receptor signaling, we did not find any significant association between SOCS2 polymorphisms and acromegaly.

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http://dx.doi.org/10.1007/s11102-016-0779-1DOI Listing

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