Journal of ethnopharmacology · 2008
Gastroprotective effect of Cissus sicyoides (Vitaceae): involvement of microcirculation, endogenous sulfhydryls and nitric oxide.
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de Paula Ferreira Mariana, Nishijima Catarine Massucato, Seito Leonardo Norobu, Dokkedal Anne Ligia, Lopes-Ferreira Mônica, Di Stasi Luiz Cláudio, Vilegas Wagner, Hiruma-Lima Clélia Akiko
Аннотация
AIM OF THE STUDY: Cissus sicyoides L. is a medicinal plant popularly known in Brazil against various diseases and the research interest in this plant is justifiable because of its potential medicinal value in stomachache and gastric ulcer.
MATERIALS AND METHODS: The methanolic extract obtained from the leaves of Cissus sicyoides (Cc) was evaluated for the ability to protect the gastric mucosa against injuries caused by necrotizing agents (0.3 M HCl/60% EtOH, absolute ethanol, piroxicam and pylorus ligature) in rodents. We also evaluated microcirculation, antioxidant action and participation of NO (nitric oxide) and sulfhydryls (SH) groups in the Cc gastroprotective action.
RESULTS: Administration of Cc significantly reduced gastric lesions induced by different ulcerogenic agents in rodents. This extract administered by oral route significantly increased gastric volume without exerting antisecretory effect. The Cc effect involved an increase of the defense mechanism of the gastrointestinal mucosa such as NO and SH groups that prevent and attenuate the ulcer process. The Cc also has antioxidant property against oxidative stress but does not modify microcirculation response in gastric mucosa.
CONCLUSIONS: These results confirmed the traditional use of Cissus sicyoides for the treatment of gastric ulcer.
MATERIALS AND METHODS: The methanolic extract obtained from the leaves of Cissus sicyoides (Cc) was evaluated for the ability to protect the gastric mucosa against injuries caused by necrotizing agents (0.3 M HCl/60% EtOH, absolute ethanol, piroxicam and pylorus ligature) in rodents. We also evaluated microcirculation, antioxidant action and participation of NO (nitric oxide) and sulfhydryls (SH) groups in the Cc gastroprotective action.
RESULTS: Administration of Cc significantly reduced gastric lesions induced by different ulcerogenic agents in rodents. This extract administered by oral route significantly increased gastric volume without exerting antisecretory effect. The Cc effect involved an increase of the defense mechanism of the gastrointestinal mucosa such as NO and SH groups that prevent and attenuate the ulcer process. The Cc also has antioxidant property against oxidative stress but does not modify microcirculation response in gastric mucosa.
CONCLUSIONS: These results confirmed the traditional use of Cissus sicyoides for the treatment of gastric ulcer.