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The paraoxonase (PON1) Q192R polymorphism is not associated with poor health status or depression in the ELSA or INCHIANTI studies
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Rice, N. E., Bandinelli, S., Corsi, A. M., Ferrucci, L., Guralnik, J. M., Miller, Michelle A., Kumari, M., Murray, A., Frayling, T. M. and Melzer, D. (2009) The paraoxonase (PON1) Q192R polymorphism is not associated with poor health status or depression in the ELSA or INCHIANTI studies. International Journal of Epidemiology, Vol.38 (No.5). pp. 1374-1379. doi:10.1093/ije/dyp265 ISSN 0300-5771.
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Official URL: http://dx.doi.org/10.1093/ije/dyp265
Abstract
Background The human paraoxonase (PON1) protein detoxifies certain organophosphates, and the PON1 Q192R polymorphism (rs662) affects PON1 activity. Groups with higher dose exposure to organophosphate sheep dips or first Gulf War nerve toxins reported poorer health if they had 192R, and these associations have been used to exemplify Mendelian randomization analysis. However, a reported association of 192R with depression in a population-based study of older women recently cast doubt on the specificity of the higher dose findings. We aimed to examine associations between the PON1 Q192R polymorphism and self-reported poor health and depression in two independent population-based studies.
Methods We used logistic regression models to examine the associations in men and women aged 60–79 years from the English Longitudinal Study of Ageing (ELSA, n = 3158) and InCHIANTI (n = 761) population studies. Outcomes included the Center for Epidemiologic Studies Depression (CES-D) scale, self-rated general health status and (in ELSA only) diagnoses of depression.
Results The PON1 Q192R polymorphism was not associated with self-reported poor health {meta-analysis: odds ratio (OR) = 1.01 [confidence interval (CI) 0.91–1.13], P = 0.80} or depressive symptoms in either study or in meta-analyses [CES-D: OR = 1.01 (CI 0.87–1.17), P = 0.90]. There was also no association with histories of diagnosed depression in ELSA [OR = 1.03 (CI 0.82–1.30), P = 0.80].
Conclusions We found no evidence of an association between the PON1 Q192R polymorphism and poor general or mental health in two independent population-based studies. Neither the claimed Q192R association with depression in the general population nor its theoretical implications were supported.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | R Medicine > R Medicine (General) | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Biomedical Sciences > Translational & Experimental Medicine > Metabolic and Vascular Health (- until July 2016) Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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| Journal or Publication Title: | International Journal of Epidemiology | ||||
| Publisher: | Oxford University Press | ||||
| ISSN: | 0300-5771 | ||||
| Official Date: | October 2009 | ||||
| Dates: |
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| Volume: | Vol.38 | ||||
| Number: | No.5 | ||||
| Page Range: | pp. 1374-1379 | ||||
| DOI: | 10.1093/ije/dyp265 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | US National Institute on Aging (USNIA) | ||||
| Grant number: | R01AG24233 (USNIA), R01AG1764406S1 (USNIA), |
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