SIGNIFICANT associations between the transferrin (TF) variant C2 and a
number of disorders suspected to be caused by oxygen free radicals ha
ve been reported. Thus an increased frequency of the TFC2 variant has
been found in patients with Alzheimer's disease (AD), and it has been
hypothesized that AD is caused by free radical damage due to defective
binding of iron and aluminium by TFC2. In a study of 64 patients with
AD from northern Sweden we were able to confirm the association betwe
en TFC2 and AD, but there were no significant differences between TFC2
and other TF variants with respect to the binding of iron and alumini
um.