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Indomethacin-induced gastric ulceration in rats: Protective roles of Spondias mombin and Ficus exasperata.

ABSTRACT: This study investigated the quantitative polyphenolic constituents and gastroprotective effects of aqueous leaf extracts of Spondias mombin and Ficus exasperata against indomethacin-induced gastric ulcer in rats. Ulceration was induced by a single oral administration of indomethacin (30 mg/kg body weight). Wistar rats were pretreated with esomeprazole (reference drug) at a dose of 20 mg/kg body weight, S. mombin or F. exasperata at 100 and 200 mg/kg body weight once daily for 21 days prior to ulcer induction. At the end of the experiment, gastric secretions and antioxidant parameters were evaluated. We observed that the significantly increased (p < 0.05) ulcer index, gastric volume, malondialdehyde level and pepsin activity were effectively reduced following treatment with S. mombin and F. exasperata. The extracts also markedly attenuated the reduced activity of superoxide dismutase as well as pH and mucin content in the ulcerated rats. These findings are indicative of gastroprotective and antioxidative potentials of the extracts which is also evident in the degree of % inhibition against ulceration. The available data in this study suggest that the extracts of S. mombin and F. exasperata proved to be capable of ameliorating indomethacin-induced gastric ulceration and the probable mechanisms are via antioxidative and proton pump inhibition.

SUBMITTER: Sabiu S

PROVIDER: S-EPMC5598261 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Indomethacin-induced gastric ulceration in rats: Protective roles of Spondias mombin and Ficus exasperata.

Sabiu Saheed S Garuba Taofeeq T Sunmonu Taofik T Ajani Emmanuel E Sulyman Abdulhakeem A Nurain Ismaila I Balogun Abdulazeez A

Toxicology reports 20150108

This study investigated the quantitative polyphenolic constituents and gastroprotective effects of aqueous leaf extracts of Spondias mombin and Ficus exasperata against indomethacin-induced gastric ulcer in rats. Ulceration was induced by a single oral administration of indomethacin (30 mg/kg body weight). Wistar rats were pretreated with esomeprazole (reference drug) at a dose of 20 mg/kg body weight, S. mombin or F. exasperata at 100 and 200 mg/kg body weight once d ...[more]

PMID: 28962358

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Project description:To investigates the mucoprotective effect of genistein on gastric injury in rats with indomethacin (IMN)-induced gastropathy.Male Sprague-Dawley rats were randomly divided into three groups. Group 1 (control; n = 6) was given distilled water (DW). Group 2 (IMN; n = 6) was given indomethacin (IMN) 150 mg/kg dissolved in 5% sodium bicarbonate (NaHCO3-) 1 mL/rat via intragastric tube at time 0 and 4 h. Group 3 (genistein; n = 6) was given genistein 100 mg/kg dissolved in 0.1% dimethyl sulfoxide (DMSO) plus IMN 150 mg/kg at time described as group 2. Four hours after the second dose, the stomach was removed to examine iNOS western blot expression, malondialdehyde (MDA), and histopathologic examination. Serum was collected to determine TNF-alpha and prostaglandin E2 (PGE2) levels using ELISA technique.Tissue MDA and serum TNF-alpha were significantly increased in the IMN group, as compared to the control group (9.70 ± 0.40 vs. 1.56 ± 0.14 nmol/mg protein, P = 0.000; 210.28 ± 0.98 vs. 126.4 ± 0.13 pg/mL, P = 0.000, respectively) and decreased in the genistein group when compared to the IMN group (2.87 ± 0.37 vs. 9.70 ± 0.40 nmol/mg protein, P = 0.000; 156.59 ± 0.10 vs. 210.28 ± 0.98 pg/mL, P = 0.000, respectively). Serum PGE2 level in IMN group was decreased significantly compared with control group (152.83 ± 0.10 vs. 303.33 ± 2.16 pg/mL, P = 0.000) and increased in the genistein group compared to the IMN group (247.65 ± 0.01 vs. 152.83 ± 0.10 pg/mL, P = 0.000). Expression of tissue iNOS was increased in the IMN group and improved in genistein groups. Most of the rats in the IMN group developed moderate to severe gastric erosion and ulcers. Gastric erosions and neutrophil infiltration score were significantly decreased in the genistein group.Genistein attenuated IMN-induced gastropathy in rats by reducing inflammation, decreasing oxidative stress, restoring mucoprotective function, and improving gastric histopathology.This is an experimental study of the effect of NSAIDs in gastropathy. This study demonstrated the efficacy of genistein in treatment of NSAIDs-induced gastropathy. Genistein efficacy is reflected in the attenuation of histological alterations, with improvement in key biological parameters involved in the pathogenesis of NSAIDs gastropathy. Abbreviations used: NSAIDs: Non-steroidal anti-inflammatory drugs; IMN: Indomethacin; COX: Cyclooxygenase; TNF: Tumor necrosis factor; ICAM: Intercellular adhesion molecule; iNOS: Inducible nitric oxide synthase; MDA: Malondialdehyde; CINC: Cytokine-induced neutrophil chemoattractant.

Dataset Information

Indomethacin-induced gastric ulceration in rats: Protective roles of Spondias mombin and Ficus exasperata.

Publications

Indomethacin-induced gastric ulceration in rats: Protective roles of <i>Spondias mombin a</i>nd <i>Ficus exasperata</i>.

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