Influence of Polymorphism on the NFkB1 Gene (rs28362491) on the Susceptibility to Sarcopenia in the Elderly of the Brazilian Amazon

Author:

Pereira Esdras E. B.ORCID,de Carvalho Darlen C.,Leitão Luciana P. C.ORCID,Rodrigues Juliana C. G.ORCID,Modesto Antônio A. C.ORCID,de Sousa Evitom C.ORCID,dos Santos Sidney E. B.,Fernandes Marianne R.ORCID,dos Santos Ney P. C.

Abstract

Background: Sarcopenia is a disease characterized by progressive reduction in muscle mass and strength or function. Although it is known that sarcopenia may be associated with environmental factors, studies suggest the identification of genes related to skeletal muscle maintenance that explain the susceptibility to the disease. Objective: To analyze the influence of NFkB1 gene polymorphism on susceptibility to sarcopenia in the elderly. Methods: This is a case-control study, which included 219 elderly people, 74 elderly people with sarcopenia, and 145 without sarcopenia. Samples were analyzed for NFkB1 gene polymorphism (rs28362491), genotyped in PCR, and followed by fragment analysis. To avoid misinterpretation due to population substructure, we applied a previously developed set of 61 informative ancestral markers that were genotyped by multiplex PCR. We used logistic regression to identify differences in genotypic frequencies between elderly people with and without sarcopenia. Results: It was observed that the NFkB1 gene polymorphism presented frequencies of 24%, 50%, and 26% for the genotype DEL/DEL, DEL/INS, and INS/INS, respectively. Furthermore, elderly individuals with the INS/INS genotype had increased chances (p = 0.010; OR:2.943; 95%CI:1.301–6.654) for the development of sarcopenia. Conclusion: The INDEL polymorphism of the NFkB1 gene (rs28362491) may influence the susceptibility to sarcopenia in the elderly in elderly people in the Amazon.

Publisher

MDPI AG

Subject

Medicine (miscellaneous)

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