Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0038358 (gastric ulcer)
 5,179 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The kynurenine pathway is the main route of tryptophan degradation which gives rise to several neuroactive metabolites. Kynurenic acid is an endogenous antagonist of excitatory receptors, which proved to be neuroprotective in the preclinical settings. Kynurenines have been implicated in the neuroendocrine regulatory processes. Stress induces several alterations in the kynurenine metabolism and this process may contribute to the development of stress-related pathological processes. Irritable bowel disease and gastric ulcer are well-known disorders which are related to psychiatric comorbidity and stress. In experimental conditions kynurenic acid proved to be beneficial by reducing inflammatory processes and normalizing microcirculation in the bowel. Further investigations are needed to better understand the relations of stress and the kynurenines, with the aim of developing novel therapeutic tools for stress-related pathologies.
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PMID:[Stress and the kynurenine pathway]. 2629 31

Background and objectives: Zingerone is an ingredient of ginger (Zingiber officinale) with different pharmacological activities. Several studies have investigated the effect of zingerone on various gastrointestinal diseases, including irritable bowel syndrome and diarrhea. This study is aimed to evaluate the effect of zingerone on ethanol-induced gastric ulcers in rats. Materials and Methods: Gastric ulcers were induced by ethanol (96%, 5 mL/kg, po) in male wistar rats and zingerone (50, 100, and 200 mg/kg) was administrated orally. Normal saline and ranitidine were used as negative and positive control, respectively. In this study, the number and length of ulcers, and malondialdehyde (MDA) and nitric oxide (NO) levels in stomach tissues were determined. Results: The findings showed that the mean number and length of gastric ulcers were significantly lower in zingerone-received groups than ethanol group (P < 0.05). The level of malondialdehyde was decreased in the stomach of zingerone groups (P < 0.05) compared to the ethanol group. In addition, zingerone treatment prevented the decrease of nitric oxide level by ethanol in the stomach tissue. Conclusions: The present study showed that zingerone has a protective effect on the ethanol-induced gastric ulcer, which may be due to its free radical scavenging activity.
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PMID:Gastroprotective Effect of Zingerone on Ethanol-Induced Gastric Ulcers in Rats. 3086 60


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