• Roberta S Paula, Vinícius C Souza, Wilcelly Machado-Silva, Bruno Ratier S Almeida, Andersen C Daros, Lucy Gomes, Aparecido P Ferreira, Ciro J Brito, Cláudio Córdova, Clayton F Moraes, and Otávio T Nóbrega.
• Universidade de Brasília (UnB), Brasília/DF, Brazil.
• Clinics (Sao Paulo). 2016 Dec 1; 71 (12): 725-732.

Objectives:The number of deaths from vascular diseases is incredibly high worldwide, and reliable markers for major events are still needed. The current cross-sectional study investigated the association of Klotho haplotypes and Klotho serum levels with classic risk factors and a clinical history of vascular events.Methods:Clinical, anthropometric, biochemical and nutritional assessments were conducted with 168 older adults, complemented by genotyping (rs9536314 and rs9527025) and the detection of serum Klotho (ELISA).Results:Klotho levels and haplotypes did not associate with most classic risk factors for vascular events, including markers such as C-reactive protein and homocysteine. A positive association was only found between Klotho levels and the previous occurrence of a myocardial infarction by both correlational (p=0.006) and variance analyses (p<0.001), and these associations were independent of the context.Conclusion:Our results suggest that serum Klotho is higher in individuals with a clinical history of myocardial infarction but not with a history of coronary artery disease or stroke. None of the Klotho haplotypes were associated with the variables investigated herein.

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