Protective effects of Cotoneaster integerrimus on in vitro and ex‐vivo models of H2O2‐induced lactate dehydrogenase activity in HCT116 cell and on lipopolysaccharide‐induced inflammation in rat colon
2019
Zengin, Gokhan | Ferrante, Claudio | Menghini, Luigi | Orlando, Giustino | Brunetti, Luigi | Recinella, Lucia | Chiavaroli, Annalisa | Leone, Sheila | Ronci, Maurizio | Aumeeruddy, Muhammad Zakariyyah | Mahomoodally, Mohamad Fawzi
The present study evaluated the biological potential of methanol and aqueous extracts of the twigs and fruits of Cotoneaster integerrimus Medik. Lethality bioassays performed on Artemia salina showed that aqueous and methanol C. integerrimus extracts were non‐toxic in the concentration range (0.1–20 mg/ml), with a LC50 ≥ 2.5 mg/ml, for each single extract. The protective effect of the extracts was assessed in vitro against hydrogen peroxide‐induced lactate dehydrogenase (LDH) activity and tumor necrosis factor (TNF)α gene expression in colon cancer HCT116 cell line. All the extracts downregulated (H₂O₂)‐induced TNFα gene expression, in HCT116. By contrast, it was observed that the lipopolysaccharide (LPS)‐induced increase in colon nitrite, prostaglandin E₂, and 8‐iso‐PGF₂α levels were counteracted mostly by the methanol twig extract. The present study showed protective effects induced by C. integerrimus in vitro and ex vivo, thus supporting potential application in the management of chronic inflammatory diseases. PRACTICAL APPLICATIONS: In the present study, protective effects of C. integerrimus are highlighted using in vitro and ex‐vivo models of hydrogen peroxide‐induced LDH activity in HCT116 cell and on LPS‐induced inflammation in rat colon. Based on our results, this edible and traditionally used species could be considered as a valuable source of natural agents to combat inflammatory diseases, particularly ulcerative colitis. Results amassed herein advocates for further bioprospection of this species that could open new avenues for the development of nutraceuticals and functional foods geared toward the management of chronic inflammatory diseases.
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