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Title: Action of Bacopa monnieri to antagonize cisplatin-induced emesis in Suncus murinus (house musk shrew)
Author(s): Chan, Stella Sze Wa 
Lu, Zengbing 
Author(s): Ullah, I.
Subhan, F.
Rudd, J. A.
Issue Date: 2017
Publisher: Elsevier
Journal: Journal of Pharmacological Sciences 
Volume: 133
Issue: 4
Start page: 232
End page: 239
Bacopa monnieri (BM, family Scrophulariaceae) is used in several traditional systems of medicine for the management of epilepsy, depression, neuropathic pain, sleep disorders and memory deficits. The present study investigated the potential of BM methanol (BM-MetFr) and BM n-butanol fractions (BM-ButFr) to reduce chemotherapy-induced emesis in Suncus murinus (house musk shrew). Cisplatin (30 mg/kg, i.p.) reliably induced retching and/or vomiting over a 2 day period. BM-MetFr (10–40 mg/kg, s.c.) and BM-ButFr (5–20 mg/kg, s.c.) antagonized the retching and/or vomiting response by ∼59.4% (p < 0.05) and 78.9% (p < 0.05), respectively, while the 5-HT3 receptor antagonist, palonosetron (0.5 mg/kg, s.c.), reduced the response by ∼71% (p < 0.05). The free radical scavenger/antioxidant, N-(2-mercaptopropionyl)-glycine (30–300 mg/kg, s.c.) reduced the retching and/or vomiting response occurring on day one non-significantly by 44% (p > 0.05). In conclusion, the n-butanol fractions of BM have anti-emetic activity comparable with palonosetron and MPG. BM may be useful alone or in combination with other anti-emetic drugs for the treatment of chemotherapy-induced emesis in man.
DOI: 10.1016/j.jphs.2017.03.001
CIHE Affiliated Publication: Yes
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