• 대한한방내과학회지
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• 제37권6호
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• pp.1030-1041
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• 2016

Objectives: This study investigated the administration of Jeungmiyijin-tang (JYT) to rats with reflux esophagitis (RE) induced by pylorus and forestomach ligation operations. Methods: Twenty laboratory rats were divided into three groups with 5~7 rats in each group. The control group consisted of rats with no inflammation (CON). The RE group had rats with gastroesophageal reflux elicited by pylorus and forestomach ligation operations. The JYT group had rats that were orally administered Jeungmiyijin-tang (1.5 ml/day/300 g) once a day for 14 days before reflux esophagitis was induced by the pylorus and forestomach ligation operations. Six hours after the operations, the rats were sacrificed, morphological changes were observed, and histological examinations were done in the stomach and esophagus lesion areas. If apoptosis was observed, the apoptotic cells in the esophagus lesion areas were counted. Results: The morphological and histochemical changes consisted of various injuries from hemorrhagic erosion in the RE group, while there were significantly fewer in the JYT group. The RE group marked increases of gastric mucosa erosion and infiltration of inflammatory cells in the submucosa, as well as cell division in the epithelial layer, the proliferation and degranulation of mast cells, and increases in the IL-$1{\beta}$, TNF-${\alpha}$, and MMP-9 expressions in the esophagus of the rats. The JYT group was inhibited above expression compared with the RE group. Apoptosis was statistically significantly decreased in the JYT group compared with the RE group. Conclusions: According to the above results, it appears that Jeungmiyijin-tang inhibits the expression of pro-inflammatory cytokines (TNF-${\alpha}$, IL-$1{\beta}$, and MMP-9) and apoptosis in the esophagus mucosa, thereby preventing esophageal mucosal damage from esophageal reflux.

• 동의생리병리학회지
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• 제16권6호
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• pp.1157-1163
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• 2002

This experimental research has been done to study the effects of Gmibojungikgi-tang(GBJIKT) on the anti-allergic reaction. We found the several important results from the research which has been performed by two experiments toward immediately type and delayed type in order to study the effects of GBJIKT on hypersensitivity response to mice. The results obtained from our research are as following: The survival rate of one group to which we injected only the compound 48/80 is almost 0% according to its density and timing test. In the other hand, the survival rates of the other group to which we injected both of the compound 48/80 and GBJIKT are 10%, 10%, 20%, 30%, 20%, and 40% according to 0.025, 0.05, 0.1, 0.25 0.5 and 1(mg/g) of compound 48/80. Time dependency test also shows the 0% survival rates in 5 and 10 minutes. GBJIKT revealed the significantly inhibitory effect on Compound 48/80 induced Mast cell degranulation. GBJIKT showed the significantly inhibitory effect in the delayed type hypersensitivity response to picry1 chloride GBJIKT showed the significantly inhibitory effect in the delayed type hypersensitivity response to sheep red blood cell. Our research provides the important evidence that GBJIKT is benificial to the prevention and treatment of allergy related diseases.

• 대한수의학회지
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• 제29권4호
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• pp.549-558
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• 1989

This experiment was carried out to investigate the influence of Aloe vera in the pancreatic islets of streptozotocin diabetic mice. Experimental diabetes was induced in ICR mice with a single injection of SZ(140mg/kg body weight, ip). The mice demonstrating hyperglycemia 48 hours after SZ injection were treated for 16 days with Aloe vera(300, 800mg/kg). Plasma glucose was measured, and for morphological studies of the islets specimens were stained with hematoxylin-eosin and by immunocytochemical methods. Then we observed the morphological changes of islets. Polymorphonuclear cells were infiltrated at the periphery of the islets 48 hours after SZ injection in SZ-treated ICR mice, but no prominent WBC infiltration was observed throughout the experiment. Blood glucose in mice treated with Aloe vera after SZ injection was higher than that of SZ injected mice, and mononuclear cells were heavily infiltrated at the islets 16 days after Aloe vera treatment(300mg/kg), and significant islets infiltration of mononuclear cells was observed 30 days after Aloe vera treatment(800mg/kg). Islets of ICR mice treated with Aloe vera after SZ injection showed severer insulitis, degranulation and necrosis of B cells than those of SZ injected mice. These studies indicate that Aloe vera in SZ injected mice increases vascular permeability and number of WBC in pancreatic islets, and potentiates destruction of B cells by cell-mediated immune system.

• 대한본초학회지
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• 제30권1호
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• pp.25-32
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• 2015

Objectives : In this study, we investigated the effect of Cassia obtusifolia Linne (Cassiae Semen; CS) extract on ovalbumin (OVA)-induced allergic asthma in mice. Methods : CR was extracted with 70% ethanol. For in vitro study, HMC-1, human mast cells were treated with CS extract at 0.2 and $0.5mg/m{\ell}$ for 1 h, and then stimulated with compound (C) 48/80 for 30 min. Primary spleenocytes were isolated from the spleen of mice, treated with CS extract for 1 h, and then stimulated with ConA for 24 h. For in vivo study, mice were sensitized at day 0, 7 and 14 with 0.2% OVA and then airway challenged using neublizer at day 21, 23, 25, and 27 to induced allergic asthma. CS extract at doses of 100 and 300 mg/kg body weight was orally administered during OVA challenge once per a day. The levels of allergic mediators such as histamine, OVA-specific IgE, IL-4, and $IFN-{\gamma}$ were measured in the sera of mice or culture supernatants by EIA and ELISA, respectively. The expression of IL-4 and $IFN-{\gamma}$ gene was determined by RT-PCR. The histopathological change of lung tissues was observed with hematoxylin and eosin (H&E) and Periodic acid Schiff (PAS) staining. Results : The treatment of CS extract in HMC-1 cells significantly inhibited C48/80-induced degranulation, and histamine release. The treatment of CS extract in spleenocytes suppressed the expression of IL-4 and $IFN-{\gamma}$ mRNA. The administration of CS extract in OVA-induced asthmatic mice significantly decreased the levels of OVA-specific IgE, and IL-4 in a dose-dependent manner with OVA-control group. In addition, CS extract inhibited the infiltration of inflammatory cells and bronchiolar damage with epithelial thickening in lung tissues of OVA-induced asthma mice, and also mucin accumulation. Conclusions : These results indicate that CS extract prevents asthmatic damage through regulating the allergic immune response.

• 동의생리병리학회지
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• 제17권2호
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• pp.308-315
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• 2003

This experimental research has been done to study the effects of Sipjeondaebo-tang(SOT) on the anti-allergic reaction. We found the several important results from the research which has been performed by two experiments toward immediately type and delayed type in order to study the effects of SDT on hypersensitivity response to mice. The results obtained from our research are as following. The survival rate of one group to which we injected only the compound 48/80 is almost 0% according to its density and timing test. In the other hand, the survival rates of the other group to which we injected both of the compound 48/80 and SDT are 20%, 10%, 30%, 10%, 40% and 70% according to 0.025, 0.05, 0.1, 0.25 0.5 and 1 (mg/g) of compound 48/80. Time dependency test also shows the 30% and 20% survival rates in 5 and 10 minutes. SDT revealed the significantly inhibitory effect on Compound 48/80 induced Mast cell degranulation. SDT showed the significantly inhibitory effect in the delayed type hypersensitivity response to picry1 chloride. SDT showed the significantly inhibitory effect in the delayed type hypersensitivity response to sheep red blood cell. Our research provides the important evidence that SDT is benificial to the prevention and treatment of allergy related diseases.

• Biomolecules & Therapeutics
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• 제19권1호
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• pp.102-108
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• 2011

We examined the effects of essential oil from Thujopsis dolobrata Sieb. et Zucc. var. hondai Makino (EOTD) (Cupressaceae) on atopic dermatitis (AD)-like skin lesions in NC/Nga mice. Treatment with EOTD twice daily for two weeks ameliorate AD-like skin lesions induced by DNCB (2,4 dinitrochlorobenzene), and clinical scores were reduced to 7.29, 7.07, and 4.5 points in the groups treated with 1.5%, 3.0%, and 6.0% extract (p<0.01) respectively, from the 15.0 score obtained using vehicle. EOTD inhibited the infiltration of mast cells into the AD-like skin lesion in NC/Nga mice (p<0.01) and also reduced serum histamine and IgE levels (p<0.05). Furthermore, it dose-dependently inhibited the release of beta-hexosaminidase from rat basophilic leukemia RBL 2H3 cells. These results indicate that EOTD reduces AD-like skin lesions by inhibiting the production of IgE and histamine, and, thus, IgE-mediated degranulation.

• Biomolecules & Therapeutics
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• 제20권1호
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• pp.113-117
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• 2012

The fruits of Foeniculum vulgare (Foeniculi Fructus) have been widely used in Chinese medicine as an antiemetic, ameliorating stomach ailments and as an analgesic. In order to establish its potential for antiallergic use, inhibitory actions of the fruit on 5-lipoxgenase (5-LOX) and ${\beta}$-hexosaminidase release were evaluated. The 70% ethanol extract of this plant material (FR) considerably inhibited 5-LOX-catalyzed leukotriene production from A23187-induced rat basophilic leukemia (RBL)-1 cells. The $IC_{50}$ was $3.2{\mu}g/ml$. From this extract, 12 major compounds including sabinene, fenchone, ${\gamma}$-terpinene, ${\alpha}$-pinene, limonene, p-anisylacetone, panisylaldehyde, estragole (4-allylanisole), trans-anethole, scopoletin, bergapten and umbelliferone were isolated. And it was found that several terpene derivatives including ${\gamma}$-terpinene and fenchone as well as phenylpropanoid, trans-anethole, showed considerable inhibitory action of 5-LOX. In particular, the $IC_{50}$ of trans-anethole was $51.6{\mu}M$. In contrast, FR and the isolated compounds did not show considerable inhibitory activity on the degranulation reaction of ${\beta}$-hexosaminidase release from antigen-treated RBL-2H3 cells. Against arachidonic acid-induced ear edema in mice, FR and trans-anethole showed significant inhibition by oral administration at doses of 100-400 mg/kg. In conclusion, FR and several major constituents are 5-LOX inhibitors and they may have potential for treating 5-LOX-related disorders.

• 한국미생물·생명공학회지
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• 제33권3호
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• pp.231-235
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• 2005

RBL-2H3 cell에서 HRE에 의하여 histamine이 분비되는 과정에서 ROS가 생성되는지 실험해 본 결과, ROS가 HRF를 처리한지 5분대에 최대치를 보이며 생성되었다가 소멸되는 것을 관찰할 수 있었다. 따라서 HRF가 세포내 second messenger로써의 ROS를 생성하였다고 확인할 수 있었다. 또한 ROS는 단백질 정제 과정에서의 endotoxin오염에 의해 영향을 받지만,본 실험에서 규명한 HRF에 의한 ROS 생성은 endotoxin에 의한 것이 아닌, 순수하게 HRF에 의한 signaling의 결과라는 것도 확인할 수 있었다.

• 한국미생물·생명공학회지
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• 제33권3호
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• pp.184-188
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• 2005

HRF는 Na,K-ATPase의 ${\alpha}$ subunit에 결합하여 이의 활성을 저해하는 것으로 알려져 있으며, PKC에 의해 Ser98 잔기가 인산화 될 수 있다는 것을 anti-HRFpS98 항체와 HRF S98A mutant를 이용한 실험으로 확인할 수 있었다. 또한 $^{86}Rb^{+}-uptake$ assay 실험에서 HRF의 serine 98 잔기의 탈인산화는 Na,K-ATPase의 활성에 약간의 영향을 미치는 것으로 미루어 PKC에 의해 인산화되는 98 serine 잔기가 Na,K-ATPase 활성 저해에 큰 영향을 미치지 않는 것으로 보인다.

• 대한한의학방제학회지
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• 제9권1호
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• pp.273-288
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• 2001

Objectives : In order to study the effect of oral administration of Jungcheonhwadamgangki-tang against the asthma. Method : Asthma was induced to Balb/c mouse with ovalbumin by using method of Hatfield et al. It was observed the changes numbers and morphology of the mast cells in the trachea, numbers of mucous secretory cell in the bronchus, morphology of the bronchus, ultramicroscopical appearance of surface of trachea and number of cilia and mucous secretory cells by scanning electron microscope. Result : 1. Degranulation and decreasing of the numbers of mast cells were significantly decreased in the Jungcheonhwadamgangki-tang extract group as compared with control group. 2. Hypertrophy of mucous membrane of bronchus In the lung, infiltration of inflammatory cells, increasing of mucous secretory cells in the bronchus were significantly decreased in the Jungcheonhwadamgangki-tang extract group as compared with control group. 3. Shedding, decreasing of cilia cells and increasing of mucous secretory cells in the surface of the trachea were significantly decreased in the Jungcheonhwadamgangki-tang extract group as compared with control group. Conclusion : It is considered that Jungcheonhwadamgangki-tang has somewhat favorable effects on the asthma because the asthma specific series of abnormalities in respiratory system were decreased after oral administration of Jungcheonhwadamgangki-tang in this study. In future, it is needed that the toxicological and dosage specific study of Jungcheonwhadamgangki-tang to use against bronchial asthma with safe.