Histopathological Analysis of Cerebellum Layers in Rats Treated With Extract of Trichosanthes cucumerina: Neuroprotective Functions by Utibe Udonwa* in Advances in Complementary & Alternative medicine_ Journal of Alternative and Complementary Medicine
Abstract
Herbal
medicine provides neuroprotective functions for different brain disorders, and
Trichosanthes cucumerina leaf extracts may provide neuroprotective function on
the cerebellum. Evaluation of the neuroprotective potential of Trichosanthes
cucumerina (TC) on the cerebellum is carried out. A total of thirty-two (32)
adult rats with an average weight of 200g are being used to determine the
effect of methanolic extract of Trichosanthes cucumerina leaf on the cerebellum
for a period of twenty-eight (28) days. The rats are divided into 4 groups
(A-D) with eight rats in each group. Group A animals receive feed and distilled
water and serve as control. The animals in group B, C and group D receive
200mg/kgBW, 400mg/kgBW and 600mg/kgBW of methanolic extract of Trichosanthes
cucumerina leaf respectively. 24hours after the last administration of the leaf
extract, the animals are sacrificed using chloroform inhalation method. The
cerebellum is harvested and fixed in 10% formalin. After fixation, the animals
are passed through several stages of tissue processing which comprises
dehydration, wax impregnation, embedding and sectioning. The sections are taken
at 5μ and haematoxylin and
eosin staining method is employed for the histological demonstration of the
cerebellum. Microscopy and histochemical data of methanolic extract of T. cucumerina leaf show no
adverse histopathological change in cerebellum of all treated groups of rats as
they retain their normal cytoarchitecture when compared to the control group.
The presence of biologically active phytochemicals including Cucurbitacin in
Trichosanthes cucumerina may provide neuroprotective functions especially since
the dosage given in the different treatments probably crossed the blood brain
barrier and did not produce any pathological effect
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