Genetic and environmental risk factors for primary open-angle glaucoma.
BACKGROUND
Primary open-angle glaucoma (POAG) is characterized by optic nerve damage and consists of a group of genetically heterogeneous disorders. This study was to investigate the associations of genetic and environmental factors with POAG in a hospital-based Chinese population.


METHODS
Thirty-two adult onset POAG patients and 96 age-sex matched control subjects were studied by multivariable logistic regression analysis for the relationships between POAG and its risk factors including family history, diabetes, hypertension, cardiovascular diseases, cigarette smoking, alcohol consumption and polymorphisms of the myocilin and the optineurin genes.


RESULTS
Univariate analysis showed that POAG was related to family history, cardiovascular disease, alcohol consumption and a myocilin sequence alteration (T353I) (P < 0.04). Multivariable logistic regression analysis confirmed that POAG was significantly associated with family history (OR = 20.2), hypertension (OR = 3.58), cigarette smoking (OR = 10.8), alcohol consumption (OR = 0.028) and T353I (OR = 6.03, all P < 0.05).


CONCLUSIONS
Family history, hypertension, cigarette smoking and T353I in the myocilin gene are risk factors for POAG. Alcohol consumption, however, has a protective effect.
Fan
Bao-jian
BJ
Department of Ophthalmology & Visual Sciences, Hong Kong Eye Hospital, The Chinese University of Hong Kong, Hong Kong, China.
Leung
Yuk-fai
YF
Wang
Ning
N
Lam
Shun-chiu
SC
Liu
Yao
Y
Tam
Oi-sin
OS
Pang
Chi-pui
CP
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000428:Alcohol Drinking / Q000009:adverse effects; D003598:Cytoskeletal Proteins; D005136:Eye Proteins / Q000235:genetics*; D005260:Female; D005902:Glaucoma, Open-Angle / Q000209:etiology* / Q000235:genetics; D006023:Glycoproteins / Q000235:genetics*; D006801:Humans; D006973:Hypertension / Q000150:complications; D016015:Logistic Models; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D000099179:Myocilin
D003598:Cytoskeletal Proteins; D005136:Eye Proteins; D006023:Glycoproteins; D000099179:Myocilin