the potential for synthesis of prostaglandin e2 ( pge2 ) in cerebrum ( cc ) , cerebellum ( cm ) , mid-brain ( mb ) and brain stem ( bs ) was measured in 1 and 15 month old male f344 rats fed diets containing 0 , 30 , or 200 iu vitamin e ( -e , e , +e , respectively ) and 0.0 , 0.1 , or 0.2 ppm selenium ( -se , se , +se , respectively ) for 8 or 20 weeks .
C0025462
mid-brain
C0006121
brain stem