Apolipoprotein E in temporal lobe epilepsy: a case-control study
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Published on: December 18, 2016
Amit Kumar1, Manjari Tripathi, Ravindra M Pandey
1Department of Biochemistry, All India Institute of Medical Sciences, New Delhi-110029, India.
Purpose:
To investigate the relationship of apolipoprotein E (apoE) genotype, plasma levels of apoE and lipids in temporal lobe epilepsy (TLE) patients in Asian Indians. Status of plasma levels of Apo E in epilepsy patients has not been reported till date.
Methods:
ApoE gene polymorphism was analyzed in 58 patients with temporal lobe epilepsy (TLE) and 57 age and sex approximated controls using Polymerase chain reaction- restriction fragment length polymorphism (PCR-RFLP). Levels of plasma apoE and lipids were measured using ELISA and enzymatic kits respectively.
Results:
The distribution of ApoE genotype in epilepsy patients and controls was comparable. Higher levels of plasma ApoE were observed in TLE patients as compared to controls (p=0.0001). Individuals with plasma levels of apoE > 190 mg/L were at 20 times higher odds (95%CI=2.46-163.34, p=0.005), while those with levels of apoE between 150-190 mg/L were at 4.9 times higher odds (95% CI=1.85-13.9, p=0.001), to develop TLE.
Conclusions:
We have observed for the first time, high levels of plasma apoE in epilepsy patients. The findings of this case-control study suggest that apolipoprotein E may play an important role in epilepsy.
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