Your browser doesn't support javascript.
Protective role of ß-patchoulene from Pogostemon cablin against indomethacin-induced gastric ulcer in rats: Involvement of anti-inflammation and angiogenesis.
Phytomedicine ; 39: 111-118, 2018 Jan 15.
Artigo em Inglês | MEDLINE | ID: mdl-29433672


Non-steroidal anti-inflammatory drugs (NSAIDs) are most widely used as effective anti-inflammatory agents. However, their clinical application brings about inevasible gastrointestinal side effects. Pogostemon cablin is a traditional herbal medicine used for the treatment of gastrointestinal diseases in China. One of its representative components, the tricyclic triterpenoid ß-patchoulone (ß-PAE) has demonstrated great anti-inflammatory activity and gastroprotective effect against ethanol-induced gastric injury, but its protective effect against gastric ulcer induced by indomethacin is still unknown.


To assess the protective effect of ß-PAE against ulcer produced by indomethacin and reveal the underlying pharmacological mechanism.


We used an indomethacin-induced gastric ulcer model of rats in vivo.


Gastroprotective activity of ß-PAE (10, 20, 40 mg/kg, i.g.) was estimated via indomethacin-induced gastric ulcer model in rats. Histopathological and histochemical assessment of ulcerated tissues were performed. Protein and mRNA expression were determined by Elisa, Western blotting and qRT-PCR.


ß-PAE could inhibit ulcer formation. Histopathological and histochemical assessment macroscopically demonstrated that ß-PAE alleviates indomethacin-induced gastric ulceration in dose-dependent manner. After administration of ß-PAE, elevated tumor necrosis factor -α level was significantly decreased and the phosphorylation of JNK and IκB was markedly inhibited. ß-PAE suppressed the levels of E-selectin, P-selectin, intercellular adhesion molecule-1, vascular cell adhesion molecule and monocyte chemoattractant protein 1, as well as myeloperoxidase. Meanwhile, ß-PAE increased cyclooxygenase enzyme activities (COX-1 and COX-2) to enhance the production of prostaglandin E2. Proangiogenic protein, vascular endothelial growth factor and its receptor fms-like tyrosine kinase-1 mRNA expression were promoted while anti-angiogenic protein, endostatin-1 and its receptor ETAR mRNA expression were decreased.


ß-PAE may provide gastroprotection in indomethacin-induced gastric ulcer in rats by reducing inflammatory response and improving angiogenesis.





Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Sesquiterpenos / Úlcera Gástrica / Indometacina / Substâncias Protetoras Limite: Animais Idioma: Inglês Revista: Phytomedicine Assunto da revista: Terapias Complementares Ano de publicação: 2018 Tipo de documento: Artigo País de afiliação: China