Neuropeptide Y polymorphism and alcohol consumption in middle-aged men.
paper
Cited
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- Authors
- Kauhanen, J; Karvonen, M K; Pesonen, U; Koulu, M; Tuomainen, T P; Uusitupa, M I; Salonen, J T
- Year
- 2000
- Journal
- American journal of medical genetics
- PMID
- 10869113
- DOI
- 10.1002/1096-8628(20000717)93:2<117::aid-ajmg7>3.0.co;2-#
Neuropeptide Y (NPY) plays an important role in the hypothalamic regulation of food intake and energy balance. According to recent findings in animals, NPY also seems to be a potent regulator of alcohol consumption. We used the recently identified Leu(7) to Pro(7) polymorphism in the signal peptide part of NPY to investigate whether the NPY system is associated with alcohol consumption in humans. The subjects (N = 889) were an ethnically homogeneous, nonselected population sample of middle-aged men from Eastern Finland. The gene variant producing Pro(7) substitution was associated with a 34% higher average alcohol consumption, even after adjustment for a number of covariates (P = 0.03). The proportion of heavy drinkers (over 230 g of ethanol/week) was also somewhat higher in this group (13.1% vs. 8.2%, P = 0.10). Our study provides the first evidence that alcohol preference in humans is likely to be regulated by the NPY system.
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|---|---|---|---|---|
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