[The examination of apoE phenotypes in diabetic patients with peripheral neuropathy].
Apolipoprotein E (apoE), which is reported to recognize the low density lipoprotein receptor and remnant receptor, mediates the delivery of cholesterol and other lipids to the cells all over the body. There are several phenotypes such as apoE2, apoE3 and apoE4. Recently, it is reported that apoE plays an important role in neurite outgrowth. To determine whether apoE phenotype is concerned in diabetic peripheral neuropathy, we investigated the incidence of apoE phenotypes in diabetic patients with peripheral neuropathy. The occurrence of retinopathy and nephropathy were not different in apoE2, apoE3 and apoE4. However, the frequency of diabetic neuropathy was higher in apoE4 than apoE2 and apoE3 (p < 0.05). Furthermore, as the stage of diabetic neuropathy advanced, the incidence of apoE4 increased. From these results we conclude that apoE phenotype influences the progress of diabetic peripheral neuropathy and that apoE4 contributes to the deterioration of diabetic peripheral neuropathy.
Department of Clinical Laboratory Medicine, Sakura General Hospital, Toho University.
S
S
Tsuzuki
T
T
Murano
H
H
Watanabe
Y
Y
Itoh
Y
Y
Miyashita
K
K
Shirai
D000368:Aged; D001057:Apolipoproteins E / Q000235:genetics* / Q000378:metabolism / Q000502:physiology; D003929:Diabetic Neuropathies / Q000453:epidemiology / Q000235:genetics*; D003930:Diabetic Retinopathy / Q000453:epidemiology / Q000235:genetics; D018450:Disease Progression; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009414:Nerve Growth Factors / Q000502:physiology; D010641:Phenotype
D001057:Apolipoproteins E; D009414:Nerve Growth Factors