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Gastrodia elata Blume protects against stress-induced gastric mucosal lesions in mice

Gastrodia elata Blume (GEB) is a traditional herbal plant that has been used in Asian countries for centuries as an anticonvulsant, analgesic, and also as a sedative for treating general paralysis, epilepsy, vertigo, and tetanus. Although numerous reports have addressed the effects of GEB against de...

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Published in:International journal of molecular medicine 2007-08, Vol.20 (2), p.209-215
Main Authors: An, Sang-Mi, Park, Chul-Hong, Heo, Jin-Chul, Park, Ja-Young, Woo, Sang-Uk, Seo, Ji-Hye, Lee, Mi-Soon, Cho, Kang-Jin, Cho, Hyun-Suk, Shin, Heung, Lee, Sang-Han
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container_title International journal of molecular medicine
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creator An, Sang-Mi
Park, Chul-Hong
Heo, Jin-Chul
Park, Ja-Young
Woo, Sang-Uk
Seo, Ji-Hye
Lee, Mi-Soon
Cho, Kang-Jin
Cho, Hyun-Suk
Shin, Heung
Lee, Sang-Han
description Gastrodia elata Blume (GEB) is a traditional herbal plant that has been used in Asian countries for centuries as an anticonvulsant, analgesic, and also as a sedative for treating general paralysis, epilepsy, vertigo, and tetanus. Although numerous reports have addressed the effects of GEB against degenerative diseases, no previous study has examined the possible gastroprotective effects of GEB. Here, we examined the effects of pretreatment with GEB (0.02 ml/g, p.o.) in a mouse water immersion restraint (WIR) stress-induced gastric lesion model. Our results revealed that mice pretreated with GEB had significantly fewer gastric lesions than their respective controls. Moreover, GEB-treated mice showed significant decreases in serum and gastric nitric oxide (NO) levels to 50 and 28%, respectively. To examine one possible mechanism underlying this effect, we used reverse transcription-polymerase chain reaction (RT-PCR) to examine NOS mRNA expression in gastric lesion tissues. Our results revealed that the mRNA expression of inducible nitric oxide synthase (iNOS) was reduced by ≈50% in GEB-pretreated mice versus the controls, whereas the mRNA expression levels of endothelial nitric oxide synthase (eNOS) and neuronal nitric oxide synthase (nNOS) remained unchanged. These findings collectively suggest that GEB significantly protects the gastric mucosa against WIR-induced gastric damage, at least in part by decreasing NO levels via suppression of iNOS mRNA expression.
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subjects Animals
Drugs, Chinese Herbal - pharmacology
Drugs, Chinese Herbal - therapeutic use
Gastric Mucosa - chemistry
Gastric Mucosa - drug effects
Gastric Mucosa - pathology
Gastrodia
Gene Expression Regulation - drug effects
Immersion
Male
Mice
Mice, Inbred BALB C
Nitric Oxide - analysis
Nitric Oxide - blood
Nitric Oxide Synthase Type I - genetics
Nitric Oxide Synthase Type I - metabolism
Nitric Oxide Synthase Type II - genetics
Nitric Oxide Synthase Type II - metabolism
Nitric Oxide Synthase Type III
Restraint, Physical
RNA, Messenger - analysis
Stomach Diseases - pathology
Stomach Diseases - prevention & control
Stress, Physiological
title Gastrodia elata Blume protects against stress-induced gastric mucosal lesions in mice
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