Objectives : The purpose of this study was to investigate whether Mahwangyunpye-tang(MYT) significantly affects mucin secretion from airway epithelial cells. Methods : Confluent hamster tracheal surface epithelial (HTSE) cells were metabolically radiolabeled with 3H-glucosamine for 24 hrs and chased for 30 min in the presence of MYT to assess the effect of the agent on 3H-mucin secretion. Total elution profiles of control spent media and treatment sample through Sepharose CL-4B column were analyzed. Effect of MYT on contractility of isolated tracheal smooth muscle was investigated; also investigated was effect of the agent on MUC5AC gene expression in cultured NCI-H292 cells. Possible cytotoxicities of the agent were assessed both by measuring lactate dehydrogenase (LDH) release from HTSE cells and examining the rate of survival and proliferation of NCI-H292 cells. Results : MYT significantly increased mucin secretion from cultured HTSE cells, without significant cytotoxicity. MYT chiefly affected the 'mucin' secretion. MYT inhibited Acetylcholine-induced contraction of isolated tracheal smooth muscle. MYT did not significantly affect the expression levels of MUC 5AC gene in cultured NCI-H292 cells. Conclusions : Based on the above results, it is suggested that MYT increased mucin secretion from cultured HTSE cells without significant cytotoxicity and inhibited contraction of isolated tracheal smooth muscle.
Objective : In the present study, the author tried to investigate whether six oriental medical prescriptions named gamisingitang (SGT), gamijungtang (IJT), gamicheongpyetang (CPT), galhwengchihyosan (CHS), chwiyeontong (CYT), sigyoungcheongpyetang (SCPT) significantly affect mucin release from cultured hamster tracheal surface epithelial (HTSE) cells. Methode : Confluent HTSE cells were inetabolically radiolabeled with $^{3}H-glucosamine$ for 24 hrs and chased for 30 min in the presence of drugs aforementioned, respectively, to assess the effect of each drug on $^{3}H-mucin$ release. Possible cytotoxicities of effective drugs were assessed by measuring lactate dehydrogenase(LDH) release. Additionally, total elution profiles of control spent media and treatment sample (CPT, CHS, SCPT and CYT) through Sepharose CL-4B column were analysed and effect of CPT, CHS and CYT on MUC5AC mRNA expression in cultured HTSE cells were invsetigated. Results : (1) SGT and IJT did not affect mucin release without cytotoxicity; (2) CPT, SCPT and CHS significantly stimulated mucin release from cultured HTSE cells, with significant cytotoxicity; (4) CPT, CHS, SCPT and CYT chiefly affected the 'mucin' release and did not affect significantly the release of the releasable glycoproteins with less molecular weight than mucin. This result suggests that the four herbal prescriptions specifically affect the release of mucin ; (5) CTP and CHS did not significantly affect the expression levels of MUC 5AC mRNA, however, CYT significantly inhibit the expression levels of MUC 5AC mRNA. Conclusion : CYT can decrease the synthesis of mucin at gene level in cultured HTSE cells.
Background: Diffuse panbronchiolitis(DPB) is a chronic inflammatory lung disease that presents as coughing, copious sputum, exertional dyspnea, which progresses to bronchiectasis. The pathogenesis of bronchiectasis is controlled by inflammatory mediators, which are closely related to mucus hypersecretion, goblet cell dysplasia. In recent studies, the epidermal growth factor receptor(EGFR) system was reported to be associated with this process. It was hypothesized that a relationship exists between goblet cell dysplasia, EGFR expression, and inflammatory mediators produced by neutrophil. Method: Alcian blue/periodic acid -Schiff(AB/PAS) stain, MUC5AC, EGFR, CD16 immunohistochemical stain were examined to investigate a role for the EGFR system in a mucus hypersecretion in DPB using the lung biopsy specimens from 13 DPB patients and 6 controls. Results : In the DPB group, the AB/PAS and MUC5AC -stained areas were $8.31{\pm}3.36%$, $11.46{\pm}4.68%$, respectively. In the control group, the AB/PAS- and MUC5AC-stained areas were $50.5{\pm}5.77%$, $53.3%{\pm}6.67%$, which was significantly larger than in the DPB group (each comparison, p<0.05). The percentage of EGFR expression was $9.54{\pm}4.95%$ in the DPB group, but zero in of the control group. The extent of neutrophilic infiltration was $71.92{\pm}3.71$/5HPF in the DPB group and $45.0{\pm}5.73$/5HPF in the control group, which was statistically significant(p=0.002). Conclusion: The EGFR system is highly related to goblet cell dysplasia, mucus hypersecretion and neutrophilic inflammation in DPB.
Kim, Young-Ho;Joo, Ye-Jin;Jung, Hye-Mi;Seo, Un-Kyo
The Journal of Korean Medicine
/
v.29
no.3
/
pp.63-75
/
2008
Objectives: In the present study, the author intended to investigate whether Gamijinhae-tang (Jiaweizhenke-tang) (GJHT) significantly affects both contractility of tracheal smooth muscle and mucin secretion from airway epithelial cells. Materials and Methods: Effect of GJHT on contractility of isolated tracheal smooth muscle of rabbit was investigated. Confluent hamster tracheal surface epithelial (HTSE) cells were metabolically radiolabeled with 3H-glucosamine for 24 hrs and chased for 30 min in the presence of GJHT to assess the effect of the agent on 3H-mucin secretion. At the same time, confluent NCI-H292 cells were chased for 30 min in the presence of GJHT to assess the effect of the agent on MUC5AC secretion by ELISA. Total elution profiles of control spent media and treatment sample (radioactive mucin) through Sepharose CL-4B column were analyzed. Also, effect of the agent on MUC5AC gene expression in cultured NCI-H292 cells was investigated. Possible cytotoxicities of the agent were assessed by measuring both lactate dehydrogenase (LDH) release from HTSE cells and examining the rate of survival and proliferation of NCI-H292 cells. Results: (1) GJHT inhibited Ach-induced contraction of isolated tracheal smooth muscle; (2) GJHT significantly increased mucin secretion from cultured HTSE cells. However, it did not affect MUC5AC secretion from NCI-H292 cells, only chiefly affecting the 'mucin' secretion; (3) GJHT did not significantly affect the expression levels of MUC5AC gene in cultured NCI-H292 cells; (4) GJHT did not significantly inhibit the survival and proliferation of NCI-H292 cells. However, it slightly increased LDH release from HTSE cells. Conclusion: The author suggests that effects of GJHT with their components should be further investigated and it is valuable to find, from oriental medical prescriptions, novel agents which might regulate mucin secretion from airway epithelial cells.
Objectives : In the present study, the author investigated whether Naenghyo-hwan(NHH) significantly affect mucin secretion from airway epithelial cells. Methods : Confluent hamster tracheal surface epithelial (HTSE) cells were metabolically radiolabeled with 3H-glucosamine for 24 hrs and chased for 30 min in the presence of NHH to assess the effect of the agent on 3H-mucin secretion. Total elutionprofiles of control spent media and treatment sample through Sepharose CL-4B column were analysed. Effect of NHH on contractility of isolated tracheal smooth muscle was investigated. Also, effect of the agent on MUC5AC gene expression in cultured NCI-H292cells was investigated. Possible cytotoxicities of the agent were assessed by measuring both lactate dehydrogenase (LDH) release from HTSE cells and examining the rate of survival and proliferation of NCI-H292 cells. Results : NHH significantly increased mucin secretion from cultured HTSE cells, with significant cytotoxicity. NHH chiefly affected the 'mucin' secretion. NHH inhibited ACh-induced contraction of isolated tracheal smooth muscle. NHH disturbed both the extraction of total RNA from NCI-H292 cells and polymerase chain reaction, nonspecifically. Therefore, in this experiment, theeffect of NHH on the expression levels of MUC 5AC gene in cultured NCI-H292 cells could not be elucidated. Conclusions : The author suggests that the effect of NHH with their components should be further investigated and it is valuable to find, from oriental medical prescriptions, novel agents which might regulate mucin secretion from airway epithelial cells.
Park, Ga Young;Lee, Hye Min;Yu, Hyun Jin;Son, Jee Soo;Park, Sang Joon;Song, Kyoung Seob
Genes and Genomics
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v.40
no.12
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pp.1383-1388
/
2018
The development of therapeutic bacteriophages will provide several benefits based on an understanding the basic physiological dynamics of phage and bacteria interactions for therapeutic use in light of the results of antibiotic abuse. However, studies on bacteriophage therapeutics against microbes are very limited, because of lack of phage stability and an incomplete understanding of the physiological intracellular mechanisms of phage. The major objective of this investigation was to provide opportunity for development of a novel therapeutic treatment to control respiratory diseases in swine. The cytokine array system was used to identify the secreted cytokines/chemokines after Bordetella bronchiseptica infection into swine nasal turbinate cells (PT-K75). We also performed the real-time quantitative PCR method to investigate the gene expression regulated by B. bronchiseptica infection or bacteriophage treatment. We found that B. bronchiseptica infection of PT-K75 induces secretion of many cytokines/chemokines to regulate airway inflammation. Of them, secretion and expression of IL-$1{\beta}$ and IL-6 are increased in a dose-dependent manner. Interestingly, membrane-bound mucin production via expression of the Muc1 gene is increased in B. bronchiseptica-infected PT-K75 cells. However, cytokine production and Muc1 gene expression are dramatically inhibited by treatment with a specific B. bronchiseptica bacteriophage (Bor-BRP-1). The regulation of cytokine profiles in B. bronchiseptica-induced inflammation by B. bronchiseptica bacteriophage is essential for avoiding inappropriate inflammatory responses. The ability of bacteriophages to downregulate the immune response by inhibiting bacterial infection emphasizes the possibility of bacteriophage-based therapies as a novel anti-inflammatory therapeutic strategy in swine respiratory tracts.
Objectives : This study evaluates how various traditional Korean herbal medicines assess MUC5AC expression for esophageal mucosal defense and analyzes the associated mechanisms involved in inflammation. Methods : Forty types of traditional Korean herbal medicines were assessed for in vitro antioxidant activities, and the real-time PCR method was employed to analyze MUC5AC expression under pH 4.5 conditions in human esophageal epithelial cells (HET-1A). Eight types of Korean herbal medicines were evaluated for in vitro antioxidant activities, and Reactive oxygen specise (ROS) expression was analyzed under bile salt (480 𝜇M) and pH 5.5 conditions in human esophageal epithelial cells (HET-1A). Simulation experiments involving bile salts and acidity were conducted for one hour to assess the efficacy of four drugs, and the activities of Mitogen-activated Protein Kinase (MEK), Nuclear Factor Kappa B (NF-𝜅B), and Cyclooxygenase-2 (COX-2) were detected through Western blot analysis. Results : Compared to the Normal group, the Control group exhibited higher ROS generation. Such increased ROS levels were significantly reduced by four extracts: Citrus Unshius Pericarpium (CUP), Cnidium officinale Rhizoma (CR), Ginseng Radix (GR), and Linderae Radix (LR). The protein expression of COX-2 decreased with the treatment of LR, CUP, and CR. Particularly, CUP and CR exhibited superior effects compared to other groups in inhibiting the phosphorylation of NF-𝜅B. Conclusion : Based on the results obtained, we have identified drugs that inhibit oxidative stress and inflammation caused by bile acid in esophageal epithelial cells. Our future plans involve comparing and analyzing the efficacy of these herbal medicines through animal experiments.
In this paper, we suggest a Coreference Resolution system for Korean using Mention Pair with SVM. The system introduced in this paper, also be able to extract Mention from document which is including automatically tagged name entity information, dependency trees and POS tags. We also built a corpus, including 214 documents with Coreference tags, referencing online news and Wikipedia for training the system and testing the system's performance. The corpus had 14 documents from online news, along with 200 question-and-answer documents from Wikipedia. When we tested the system by corpus, the performance of the system was extracted by MUC-F1 55.68%, B-cube-F1 57.19%, and CEAFE-F1 61.75%.
Journal of Physiology & Pathology in Korean Medicine
/
v.22
no.6
/
pp.1500-1508
/
2008
The author investigated whether Chwiyeon-tang(PC), Haengso-tang(PH), Jawanchihyo-san(PJ) and Gamisocheongryong-tang(PS) significantly affect both PMA-induced mucin production and MUC5AC gene expression in airway epithelial cells and sulfur-dioxide-induced airway goblet cell hyperplasia and mucus hypersecretion animal model using rat. Possible cytotoxicity of each herbal medicine was assessed by measuring the survival and proliferation rate of NCI-H292 cells. Confluent NCI-H292 cells were pretreated for 30 min in the presence of PC, PH, PJ and PS, respectively, and treated with PMA(10 $ng/m{\ell}$), to assess the effect of each herbal medicine on PMA-induced mucin production by enzyme-linked immunosorbent assay(ELISA). Effects of each herbal medicine on PMA-induced MUC5AC gene expression from the same cells were investigated. Also, hypersecretion of airway mucus and goblet cell hyperplasia were induced by exposure of rats to $SO_2$ during 3 weeks. Effects of orally-administered PC, PH, PJ and PS during 1 week on intraepithelial mucosubstances and hyperplasia of goblet cells were examined using histological analysis after staining the epithelial tissue with PAS-alcian blue. (1) PC, PJ, PS and PH did not show significant effects on the survival and proliferation of NCI-H292 cells ; (2) PC, PJ and PS significantly decreased PMA-induced mucin production from NCI-H292 cells ; (3) PC, PJ and PS significantly inhibit the expression levels of PMA-induced MUC5AC gene in NCI-H292 cells ; (4) Among PC, PJ, PS and PH, only PS decreased $SO_2$-induced hyperplasia of airway goblet cells and intraepithelial mucosubstances. This result suggests that PC, PJ and PS can not only affect the production of mucin but also affect the expression of mucin gene and this can explain, at least in part, the traditional use of PC, PJ and PS for controlling airway diseases showing hypersecretion of mucus in oriental medicine.
Romero, Juan J.;Zarate, Miguel A.;Ogunade, Ibukun M.;Arriola, Kathy G.;Adesogan, Adegbola T.
Asian-Australasian Journal of Animal Sciences
/
v.31
no.2
/
pp.208-217
/
2018
Objective: Examine the effects of supplementing bahiagrass hay (BG) with potentially anthelmintic quantities of hays of perennial peanut (PEA) or sericea lespedeza (LES) or seeds of velvet bean (Mucuna pruriens L.; MUC) or papaya (PAP) on the intake and nutritive value (Experiment 1), and the performance and parasite burden (Experiment 2) of goats. Methods: In Experiment 1, 38 male goats ($27.4{\pm}5.7kg$ body weight) were randomly assigned to each of 5 treatments: i) BG alone and BG plus; ii) PEA; iii) LES; iv) MUC; and v) PAP. Goats were fed for ad libitum consumption and adapted to the diets for 14 d followed by 7 d of measurement. The PEA, LES, MUC (50%, 50%, and 10% of the diet dry matter [DM], respectively), and PAP (forced-fed at 10 g/d) were fed at rates that would elicit anthelmintic effects. In Experiment 2, goats remained in the same treatments but were allocated to 15 pens (3 pens per treatment) from d 22 to 63. All goats were infected with parasites by grazing an infected bahiagrass pasture from 0800 to 1500 h daily and then returned to the pens. Results: Dry matter intake tended to be greater in goats fed PEA and LES than those fed BG (757 and 745 vs 612 g/d, respectively). Digestibility of DM (59.5% vs 54.9%) and organic matter (60.8% vs 56.0%) were greater in goats fed MUC vs BG, respectively. In Experiment 2, feeding PAP, LES, and PEA to goats reduced nematode fecal egg counts by 72%, 52%, and 32%, reduced abomasal adult worm counts by 78%, 52%, and 42%, and decreased plasma haptoglobin concentrations by 42%, 40%, and 45% relative to feeding BG alone, respectively. Conclusion: Supplementation with PEA, LES, and PAP decreased the parasite burden of goats but did not increase their performance. PAP was the most effective anthelmintic supplement.
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