Wys. Wang et al., The Gly460Trp variant of alpha-adducin is not associated with hypertensionin white Anglo-Australians, AM J HYPERT, 12(6), 1999, pp. 632-636
A Gly460Trp variant of the cytoskeletal protein alpha-adducin has recently
been implicated in the etiology of essential hypertension (HT) in a study i
nvolving southern European whites. We attempted to replicate this finding i
n a well-characterized, extensively studied group of 112 white Australians
with essential HT, with strong family history (two HT parents), early-onset
, moderate to severe disease, and of British extraction. Controls were 196
normotensive (NT) white subjects whose parents were both NT older than age
50 years;A mismatch polymerase chain reaction method involving BanII was de
veloped for genotyping. Frequency of the Trp460 allele was 0.23 in the RT a
nd 0.24 in the NT groups (chi(2) = 0.2, P = .7). No association was observe
d with blood pressure, body mass index, age, plasma renin, angiotensinogen,
angiotensin converting enzyme, cholesterol, triglycerides, or HDL or LDL,
cholesterol. Our results therefore provide no support: for a role for the a
lpha-adducin variant in hypertension, at least in our severely affected Ang
lo-white group with strong family history of HT. (C) 1999 American Journal
of Hypertension, Ltd.