• The Korean Journal of Pharmacology
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• v.31 no.1 s.57
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• pp.75-84
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• 1995

Acid secretion and NO synthase activity were determined in isolated gastric glands following hypoxia/reoxygenation and acidosis to investigate the involvement of NO in acid secretion. Isolated gastric glands were exposed to hypoxia (30 min)/reoxygenation (1 h) and/or to acidosis (pH 6.0 and 4.0). Acid secretion was measured by the ratio of $[^{14}C]-aminopyrine$ accumulation between intra- and extraglands. NO synthase activity was determined by percent conversion to $[^{14}C]-citrulline\;from\;[^{14}C]L-arginine$, a precursor of NO. The results indicate that dibutyryl cAMP stimulated acid secretion dose-dependently but had no effect on NO synthase activity in basal gastric glands. Hypoxia/reoxygenation significantly suppressed acid secretion both in unstimulated and stimulated gastric glands, which was exaggerated by acidosis. Constitutive NO synthase, activity, not responded to dibutyryl cAMP, was also inhibited by hypoxia/reoxygenation and acidosis. In conclusion, pathologic state of gastric mucosa such as hypoxia/reoxygenation and acidosis suppresses both acid secretion and NO release but the role of NO in acid secretion stimulated by dibutyryl cAMP in basal gastric glands is not significant.

• Journal of the Korean Society of Food Science and Nutrition
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• v.43 no.10
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• pp.1500-1509
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• 2014

The object of this study was to investigate the inhibitory effects of chios mastic gum (MG) on gastric acid secretion in an ethanol-induced SD rat model and primary parietal cells. Rats were randomly divided into four groups: Vehicle (normal group), Control (treated with ethanol), MG50 (treated with ethanol and mastic gum at 50 mg/kg b.w), MG100 (treated with ethanol and mastic gum at 100 mg/kg b.w). Groups treated with both MG50 and MG100 showed attenuation of gastric mucosal injury, sub-epithelial loss, hemorrhaging, and gastric juice secretion. We also examined the acidity of gastric juice during gastric injury. Oral administration of both MG50 and MG100 significantly decreased acidity of gastric juice by % and %, respectively. To examine the stimulatory factors related to gastric acid secretion, mRNA expression levels of H2r, M3r, CCK2r, and $H^+/K^+$ ATPase were measured by real-time PCR. Compared with a vehicle group, mRNA expression levels of H2r, CCK2r, and $H^+/K^+$ ATPase clearly increased in the control group. However, levels of H2r, CCK2r, and $H^+/K^+$ ATPase slightly but significantly decreased in MG-treated groups compared with control. Blood level of histamine significantly decreased in MG-treated groups, which indicates the involvement of MG on in histamine-related acid secretion. To identify the mode of action of MG in regulating histamine-related pathways, intracellular level of cAMP and mRNA levels of H2r, M3r, CCK2r, and $H^+/K^+$ ATPase were measured in primary parietal cells. While mRNA levels of M3r and CCK2r remained unchanged, levels of H2r and $H^+/K^+$ ATPase significantly decreased upon MG treatment. Subsequently, intracellular levels of cAMP decreased. These results suggest that mastic gum has the ability to inhibit gastric acid secretion by regulating a histamine-related pathway.

• Journal of the korean veterinary medical association
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• v.50 no.8
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• pp.464-465
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• 2014

• 월간낙농육우
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• v.30 no.9
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• pp.105-109
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• 2010

• The Science & Technology
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• v.6 no.5 s.48
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• pp.18-20
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• 1973

• Proceedings of the Korean Society of Applied Pharmacology
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• 1994.04a
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• pp.302-302
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• 1994

오메프라졸의 산 불안정성을 개선하기 위하여 신규 합성한 오메프라졸 cholestyramin resin 염 복합체와 오메프라졸 hydroxypropyl-$\beta$-cyclodextrin (HP-$\beta$-CD) 포접화합물의 약효를 검색하였다. 생체외 실험 (in vitro test)으로 H$^{+}$/K$^{+}$-ATPase 활성도 저해효과를 검토하였으며 생체내 실험 (in vivo test)으로 Shay 결찰법에 의한 위산분비 억제효과에 대한 실험을 실시하였다. 오메프라종 염 복합체와 오매프라졸 포접화합물은 1$\times$$10^{-5}$-1$\times$$10^{-3}$M농도 범위에서 용랴의존적으로 H$^{+}$K$^{+}$-ATPase 활성을 억제시켰으며 $IC_{50}$/치는 오메프라졸 결과와 유사하였다. 셍체네 실험에서는 오메프라졸 HP-$\beta$-CD 포접화합물이 오메프라졸과 그 resin염복합체보다 위액분비량, 펩신 활성도에 대한 $IC_{50}$/치가 낮았으며 이는 생체내에서 포접 화합물이 오메프라졸의 안정성을 증가시킴으로서 위산분비 억제효과를 증가시킨것으로 사료된다.

• Journal of Sasang Constitutional Medicine
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• v.2 no.1
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• pp.189-197
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• 1990

In order to study on the effect of Volume of Gastric Juice Free acid, Total acid, and Anti-Ulceration, Jo gi pyeong yoe san Extract were administered to the Pylorus-Ligated Rats induced Shay's Ulcer. The results were as follows. 1. The effect upon Volume of Gastric Juice, Free Acid, and Total Acid of experimenting group with medicine, in contrast with Control Group and Pyeong yoe san Group, there was decreasing that it reveled Significant Value. 2. In the effect upon Shay's Ulcerlation, Jo gi pyeong yoe san Extract were decrease to the Ulcer Index that it reveled Significant Value. 3. Control Group and Pyeong yoe san Group were similar. According to the above results, Jo gi pyeong yoe san is assumed to have Anti-Ulcerlation.

• Proceedings of the KSLP Conference
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• 1998.11a
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• pp.200-200
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• 1998

인후두위산역류증(Laryngopharyngeal reflux : LPR) 관련 증상을 가지고 있는 환자들을 대상으로 시사프리드(10mg tid, 8주간)의 단독 투여만으로의 중상 개선 유효율을 19개 병원에서 관찰하였으며(CIS-KOR 051), 4개 병원에서는 시사프리드(10mg tid, 8주간)와 라니티딘(150mg bid, 8주간)을 무작위 번호에 의하여 투여하고 증상 개선 유효율을 조사하였다. 주관연구책임자에 의하여 19명의 피검자를 대상으로 24시간 이중탐침 산도검사를 실시하였다. (중략)

• 대한핵의학회:학술대회논문집
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• 1988.05a
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• pp.126.2-127
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• 1988

• Proceedings of the KOR-BRONCHOESO Conference
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• 2004.09a
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• pp.24-24
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• 2004