Circadian regulation gene polymorphisms are associated with sleep disruption and duration, and circadian phase and rhythm in adults with HIV

Kathryn A. Lee, Caryl Gay, Eeeseung Byun, Anners Lerdal, Clive R. Pullinger, Bradley E. Aouizerat

Research output: Contribution to journalArticle

Abstract

Genes involved in circadian regulation, such as circadian locomotor output cycles kaput [CLOCK], cryptochrome [CRY1] and period [PER], have been associated with sleep outcomes in prior animal and human research. However, it is unclear whether polymorphisms in these genes are associated with the sleep disturbances commonly experienced by adults living with human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS). Thus, the purpose of this study was to describe polymorphisms in selected circadian genes that are associated with sleep duration or disruption as well as the sleep-wake rhythm strength and phase timing among adults living with HIV/AIDS. A convenience sample of 289 adults with HIV/AIDS was recruited from HIV clinics and community sites in the San Francisco Bay Area. A wrist actigraph was worn for 72 h on weekdays to estimate sleep duration or total sleep time (TST), sleep disruption or percentage of wake after sleep onset (WASO) and several circadian rhythm parameters: mesor, amplitude, the ratio of mesor to amplitude (circadian quotient), and 24-h autocorrelation. Circadian phase measures included clock time for peak activity (acrophase) from actigraphy movement data, and bed time and final wake time from actigraphy and self-report. Genotyping was conducted for polymorphisms in five candidate genes involved in circadian regulation: CLOCK, CRY1, PER1, PER2 and PER3. Demographic and clinical variables were evaluated as potential covariates. Interactions between genotype and HIV variables (i.e. viral load, years since HIV diagnosis) were also evaluated. Controlling for potentially confounding variables (e.g. race, gender, CD4+ T-cell count, waist circumference, medication use, smoking and depressive symptoms), CLOCK was associated with WASO, 24-h autocorrelation and objectively-measured bed time; CRY1 was associated with circadian quotient; PER1 was associated with mesor and self-reported habitual wake time; PER2 was associated with TST, mesor, circadian quotient, 24-h autocorrelation and bed and wake times; PER3 was associated with amplitude, 24-h autocorrelation, acrophase and bed and wake times. Most of the observed associations involved a significant interaction between genotype and HIV. In this chronic illness population, polymorphisms in several circadian genes were associated with measures of sleep disruption and timing. These findings extend the evidence for an association between genetic variability in circadian regulation and sleep outcomes to include the sleep-wake patterns experienced by adults living with HIV/AIDS. These results provide direction for future intervention research related to circadian sleep-wake behavior patterns.

Original languageEnglish (US)
Pages (from-to)1278-1293
Number of pages16
JournalChronobiology International
Volume32
Issue number9
DOIs
StatePublished - Oct 21 2015

Fingerprint

Circadian Rhythm
Sleep
HIV
Genes
Acquired Immunodeficiency Syndrome
Actigraphy
Cryptochromes
Genotype
Confounding Factors (Epidemiology)
San Francisco
Waist Circumference
CD4 Lymphocyte Count
Viral Load
Wrist
Self Report
Chronic Disease
Smoking
Demography

Keywords

  • Acrophase
  • actigraphy
  • autocorrelation
  • chronotype
  • circadian
  • genetic
  • HIV
  • mesor

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

Cite this

Circadian regulation gene polymorphisms are associated with sleep disruption and duration, and circadian phase and rhythm in adults with HIV. / Lee, Kathryn A.; Gay, Caryl; Byun, Eeeseung; Lerdal, Anners; Pullinger, Clive R.; Aouizerat, Bradley E.

In: Chronobiology International, Vol. 32, No. 9, 21.10.2015, p. 1278-1293.

Research output: Contribution to journalArticle

Lee, Kathryn A. ; Gay, Caryl ; Byun, Eeeseung ; Lerdal, Anners ; Pullinger, Clive R. ; Aouizerat, Bradley E. / Circadian regulation gene polymorphisms are associated with sleep disruption and duration, and circadian phase and rhythm in adults with HIV. In: Chronobiology International. 2015 ; Vol. 32, No. 9. pp. 1278-1293.
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