The effect of the severity of obstructive sleep apnea syndrome on telomere length

Priscila Farias Tempaku; Diego Robles Mazzotti; Camila Hirotsu; Monica Levy Andersen; Gabriela Xavier; Pawan Kumar Maurya; Lucas Bortolotto Rizzo; Elisa Brietzke; Sintia Iole Belangero; Lia Bittencourt; Sergio Tufik

doi:10.18632/oncotarget.12293

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Research Papers: Gerotarget (Focus on Aging):

The effect of the severity of obstructive sleep apnea syndrome on telomere length

Priscila Farias Tempaku, Diego Robles Mazzotti _, Camila Hirotsu, Monica Levy Andersen, Gabriela Xavier, Pawan Kumar Maurya, Lucas Bortolotto Rizzo, Elisa Brietzke, Sintia Iole Belangero, Lia Bittencourt and Sergio Tufik

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Oncotarget. 2016; 7:69216-69224. https://doi.org/10.18632/oncotarget.12293

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Abstract

Priscila Farias Tempaku1, Diego Robles Mazzotti1, Camila Hirotsu1, Monica Levy Andersen1, Gabriela Xavier2,5, Pawan Kumar Maurya2,6, Lucas Bortolotto Rizzo2,3,4, Elisa Brietzke2,4, Sintia Iole Belangero2,5, Lia Bittencourt1 and Sergio Tufik1

1 Departamento de Psicobiologia, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brasil

2 Laboratório Interdisciplinar de Neurociências Clínicas (LINC), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brasil

3 Department of Psychiatry, University of Tuebingen, Tuebingen, Germany

4 Grupo de Pesquisa em Neurociência Comportamental e Molecular do Transtorno Bipolar, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brasil

5 Departamento de Morfologia e Genética, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brasil

6 Amity Institute of Biotechnology, Amity University Uttar Pradesh, Noida, India

Correspondence to:

Diego Robles Mazzotti, email:

Keywords: sleep, telomeres, obstructive sleep apnea syndrome, aging, Gerotarget

Received: July 21, 2016 Accepted: September 23, 2016 Published: September 27, 2016

Abstract

Aging is associated with an increase in the prevalence of obstructive sleep apnea syndrome (OSAS) as well as the shortening of telomeres. It is known that OSAS-related factors are stimuli that can contribute to the acceleration of cellular senescence. Thus, the present study aimed to compare the leukocyte telomere length (LTL) between OSAS patients and controls, as well as to verify the correlation between LTL and sleep parameters. We used DNA extracted of 928 individuals from EPISONO to measure the LTL by the quantitative real-time polymerase chain reaction. All individuals were subjected to one full-night polysomnography. LTL was significantly shorter in OSAS patients compared to controls. The results showed negative correlations between LTL and the following variables: apnea-hypopnea index, respiratory disturbance index, desaturation index and wake after sleep onset. LTL was positively correlated with sleep efficiency, total sleep time, basal, minimum and maximum oxygen saturation. Lastly, it was observed that OSAS severity was associated with shorter LTL even after adjusting for sex, age, years of schooling, body mass index, diabetes, stroke and heart attack. In conclusion, our study indicates the presence of an association between LTL and OSAS and a significant impact of severity of OSAS in telomeres shortening.

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Research Papers: Gerotarget (Focus on Aging):

The effect of the severity of obstructive sleep apnea syndrome on telomere length

Abstract