• Title/Summary/Keyword: Th2 response

Search Result 819, Processing Time 0.028 seconds

Effect of Th2 Differentiation Control through Formation of Skin Fat Barrier on Coptidis Rhizoma & Glycyrrhiza Uralensis extract (황련감초 추출물의 상피지방장벽 생성을 통한 Th2 분화 조절)

  • Park, Beom Chan;Ahn, Sang Hyun;Seo, Il Bok;Cheon, Jin Hong;Kim, Ki Bong
    • The Journal of Pediatrics of Korean Medicine
    • /
    • v.34 no.3
    • /
    • pp.67-75
    • /
    • 2020
  • Objectives This study is conducted to evaluate Th2 skewed condition control through skin fat barrier formation from the treatment using Coptidis Rhizoma and Glycyrrhiza uralensis extract. Methods The 6-week-old NC/Nga mice were divided into 4 groups: Control group (Ctrl), lipid barrier eliminate treatment group (LBET), Coptidis Rhizoma and Glycyrrhiza uralensis feeding treatment after lipid barrier elimination group (CGFT), dexamethasone feeding treatment after lipid barrier elimination group (DxFT). After 3 days, differences in skin condition, improvement of skin fat barrier, and control of Th2 skewed condition of each group were observed. Results Pathologic skin damage and tissue changes were less in the CGFT group than in the LBET and DxFT groups, and Transepidermal water loss (TEWL) and pH were also significantly decreased (p < 0.05). The filaggrin intensity and positive response also increased significantly in the CGFT group (p < 0.05). Kallikrein-related peptidase (KLK) 7, Protease activated receptor (PAR)-2, Thymic stromal lymphopoietin (TSLP), Interleukin (IL)-4, and the products of the Th2 differentiation process also showed a significant decrease compared to the LBET and DxFT groups (all p < 0.05). Conclusions The Coptidis Rhizoma and Glycyrrhiza uralensis extract causes skin barrier recovery and function recovery through the formation of skin fat barrier. This leads to the conclusion that Coptidis Rhizoma and Glycyrrhiza uralensis extract can control Th2 differentiation through the formation of skin fat barrier.

Content Analysis on Newspaper Public Opinion Survey - The 17th Presidential Election of Korea -

  • Choi, Kyung-Ho
    • Journal of the Korean Data and Information Science Society
    • /
    • v.19 no.2
    • /
    • pp.431-441
    • /
    • 2008
  • A public opinion poll's importance is at this time increasing now. Especially, a news report with a fair and objective execution and investigative reporting Moral Code is very important. But a research on the basis of investigative reporting Moral Code is not yet carried out. In this paper, with the center of a public opinion poll involved in the 17th Presidential Election of Korea, investigative reporting Moral Code has been analyzed measurably how well observed in the Press. Furthermore, it has been compared with findings carried out in the year 2002. Finally, through comparing response rate with actual results acquired in a survey of public opinion, I proposed a response rate acquisition.

  • PDF

Neonatal innate immunity and Toll-like receptor

  • Yoon, Hye-Sun
    • Clinical and Experimental Pediatrics
    • /
    • v.53 no.12
    • /
    • pp.985-988
    • /
    • 2010
  • The innate immune response is the first line of defense against microbial infections. Innate immunity is made up of the surface barrier, cellular immunity and humoral immunity. In newborn, immunologic function and demands are different to adults. Neonatal innate immunity specifically suppresses Th1-type immune responses, and not Th2-type immune responses, which are enhanced. And the impaired response of macrophages is associated with the defective innate immunity in newborn period. Toll-like receptors (TLRs) play a key roles in the detection of invading pathogens and in the induction of innate immune responses. In newborn, the expression of TLRs is age dependent, so preterm has low expression of TLRs. Also, there are defects in signaling pathways downstream of TLRs. As a consequence, the defects of TLRs activity cause the susceptibility to infection in the neonatal period.

Protease-Activated Receptor 2 Is Involved in Th2 Responses against Trichinella spiralis Infection

  • Park, Mi-Kyung;Cho, Min-Kyoung;Kang, Shin-Ae;Park, Hye-Kyung;Kim, Yun-Seong;Kim, Ki-Uk;Ahn, Soon-Cheol;Kim, Dong-Hee;Yu, Hak-Sun
    • Parasites, Hosts and Diseases
    • /
    • v.49 no.3
    • /
    • pp.235-243
    • /
    • 2011
  • In order to get a better understanding of the role of protease-activated receptor 2 (PAR2) in type 2 helper T (Th2) cell responses against Trichinella spiralis infection, we analyzed Th2 responses in T. spiralis-infected PAR2 knockout (KO) mice. The levels of the Th2 cell-secreted cytokines, IL-4, IL-5, and IL-13 were markedly reduced in the PAR2 KO mice as compared to the wild type mice following infection with T. spiralis. The serum levels of parasite-specific IgE increased significantly in the wild type mice as the result of T. spiralis infection, but this level was not significantly increased in PAR2 KO mice. The expression level of thymic stromal lymphopoietin, IL-25, and eotaxin gene (the genes were recently known as Th2 response initiators) of mouse intestinal epithelial cells were increased as the result of treatment with T. spiralis excretory-secretory proteins. However, the expression of these chemokine genes was inhibited by protease inhibitor treatments. In conclusion, PAR2 might involve in Th2 responses against T. spiralis infection.

A Study on Mother's Verbal Response Types to Her Young Children (유아기 자녀에 대한 어머니의 언어반응 유형에 관한 연구)

  • Yoon, Hye-Jin
    • The Korean Journal of Community Living Science
    • /
    • v.24 no.2
    • /
    • pp.209-220
    • /
    • 2013
  • This study is based on the interviews with six mothers to analyze their verbal response types with their young children ages 3-5 attending day-care center. This study was done from 10AM. to 12PM. August 18th 2012 at the director's room at P day care center in Seoul. For this study the following four situations mothers experience in child-rearing have been selected: self-achievement, sibling quarrel, nagging and isolation. As for the interview questionnaires the four verbal response types-stimulating, problem-solving, critical and indifferent ones-have been used. According to the results of this research, mothers tend to use stimulating verbal response types like praise in the situation of self-achievement; problem-solving response types like command in the situation of sibling quarrel; problem-solving response types like warning in the situation of nagging; and lastly, stimulating verbal response types like empathy in the situation of isolation. Mothers need to form more empathy with their children in such difficult situations as sibling quarrel or nagging. For mothers' efficient verbal responses for their children, accordingly, empathy in parent education needs to be more emphasized.

Effects of Memory and Learning Training on Neurotropic Factor in the Hippocampus after Brain Injury in Rats (뇌손상 흰쥐에서 기억과 학습훈련이 해마의 신경 성장인자에 미치는 영향)

  • Heo, Myoung;Bang, Yoo-Soon
    • The Journal of the Korea Contents Association
    • /
    • v.9 no.2
    • /
    • pp.309-317
    • /
    • 2009
  • This study was to investigate the effects of restoring cognition function and neurotrophic factor in the hippocampus according to memory and learning training in rats affected by brain injury. Brain injury was induced in Sprague-Dawley rats(36 rats) through middle cerebral artery occlusion(MCAo). And then experiment groups were randomly divided into three groups; Group I: Brain injury induction(n=12), Group II: the application for treadmill training after brain injury induction(n=12), Group III: the application for memory and learning training after brain injury induction(n=12). Morris water maze acquisition test and retention test were performed to test cognitive function. And the histological examination was also observed through the immunohistochemistric response of BDNF(brain-derived neurotrophic factor) in the hippocampus. For Morris water maze acquisition test, there were significant interactions among the groups with the time(p<.001). The time to find the circular platform in Group III was more shortened than in Group I, II on the 9th, 10th, 11th and 12th day. For Morris water maze retention test, there were significant differences among the groups(p<.001). The time to dwell on quadrant circular platform in Group III on the 13th day was the longest compared with other groups. And as the result of observing the immunohistochemistric response of BDNF in the hippocampus CA1, the response of immunoreactive positive in Group III on the 7th day increased more than that of Group I, II. These results suggested that the memory and learning training in rats with brain injury has a more significant impact on restoring cognitive function via the changes of neurotropic factor expression and synaptic neuroplasticity.

Study on Perception About Traditional Korean Medicine (TKM) Hospital Treatment among the General Population and Patients Visiting a TKM Hospital (일반인 및 내원환자의 한방병원 진료에 대한 인식도 연구)

  • Bak, Yo-Han;Huang, Dae-Sun;Shin, Hyeun-Kyoo
    • The Journal of Internal Korean Medicine
    • /
    • v.31 no.2
    • /
    • pp.264-272
    • /
    • 2010
  • Objectives : This study was carried out to measure perceptions about Traditional Korean Medicine hospitals and provide data for improvement of TKM hospital management. Methods : We surveyed the general population from 1st to 17th December, 2008, and patients visiting a TKM hospital from 1st June to 9th December, 2008. Results : Result as follows. 1. The response ratio for the generally preferred medical institution was in the order of western medical clinic, pharmacy, general hospital, TKM clinic, TKM hospital. 2. The response ratio for the preferred medical institution for herbal medicine treatment was in the order of TKM clinic, herbal medicine store, TKM hospital, pharmacy. The preferred medical institution for acupuncture treatment was in the order of TKM clinic, TKM hospital, acupuncture clinic, public health center. 3. The most common response to reason for receiving traditional Korean medical care was "traditional Korean medical care is more effective than western medical care." 4. The proportion of first treatment and second treatment of patients visiting at TKM hospital was about 1:1. 5. 72.3% of patients had been to another medical institution. 6. The response ratio for the first visited medical institution for the same disease was in the order of general hospital, western medical hospital, western medical clinic, TKM clinic. 7. The response ratio for the concern about TKM treatment was in the order of expensive charge for TKM treatment, uncertainty of TKM treatment effect. Conclusions : Through this research, we can understand the perception about TKM hospital treatment of the general population and patients visiting TKM hospitals.

Anti-stress effects of ginseng via down-regulation of tyrosine hydroxylase (TH) and dopamine ${\beta}$-hydroxylase (DBH) gene expression in immobilization-stressed rats and PC12 cells

  • Kim, Yang-Ha;Choi, Eun-Ha;Doo, Mi-Ae;Kim, Joo-Yeon;Kim, Chul-Jin;Kim, Chong-Tai;Kim, In-Hwan
    • Nutrition Research and Practice
    • /
    • v.4 no.4
    • /
    • pp.270-275
    • /
    • 2010
  • Catecholamines are among the first molecules that displayed a kind of response to prolonged or repeated stress. It is well established that long-term stress leads to the induction of catecholamine biosynthetic enzymes such as tyrosine hydroxylase (TH) and dopamine ${\beta}$-hydroxylase (DBH) in adrenal medulla. The aim of the present study was to evaluate the effects of ginseng on TH and DBH mRNA expression. Repeated (2 h daily, 14 days) immobilization stress resulted in a significant increase of TH and DBH mRNA levels in rat adrenal medulla. However, ginseng treatment reversed the stress-induced increase of TH and DBH mRNA expression in the immobilization-stressed rats. Nicotine as a ligand of the nicotinic acetylcholine receptor (nAChR) in adrenal medulla stimulates catecholamine secretion and activates TH and DBH gene expression. Nicotine treatment increased mRNA levels of TH and DBH by 3.3- and 3.1-fold in PC12 cells. The ginseng total saponin exhibited a significant reversal in the nicotine-induced increase of TH and DBH mRNA expression, decreasing the mRNA levels of TH and DBH by 57.2% and 48.9%, respectively in PC12 cells. In conclusion, immobilization stress induced catecholamine biosynthetic enzymes gene expression, while ginseng appeared to restore homeostasis via suppression of TH and DBH gene expression. In part, the regulatory activity in the TH and DBH gene expression of ginseng may account for the anti-stress action produced by ginseng.

The 30th Anniversary of the Korean Academy of Health Policy and Management (한국보건행정학회 30주년)

  • Park, Yoon Hyung;Park, Eun-Cheol
    • Health Policy and Management
    • /
    • v.28 no.1
    • /
    • pp.1-2
    • /
    • 2018
  • The Korean Academy of Health Policy and Management (KAHPM) is on its 30th anniversary in 2018. The KAHPM is the first academic society in the field of health policy and management, and it has maintained its significance for 30 years as a representative academic society of health policy and management in Korea. During 30 years, the KAHPM has sought to establish and develop academic field of health policy and management, conducted academic discussions on the agenda of health policy and management in response to the needs of the times and on the health policy issues of the presidential elections, and discussed the healthcare policy of the Government. The 30th anniversary of the KAHPM is scheduled to hold a 30th anniversary academic conference and to prepare the 30th history book of the KAHPM. The offical journal of KAHPM, Health Policy and Management (HPM) will be publishing a special issue with important topics with health policy and management in commemoration of its 30th anniversary. Based on 30 years' experiences, the KAHPM and HPM will be committed to furthering the next 30 years and endeavoring to contribute to improve the quality of life for the people by establishing and practicing desirable health policy and management.

Active/Reactive Compound Compensation in Distribution System

  • Sul, Yong-Tae
    • Journal of Electrical Engineering and information Science
    • /
    • v.2 no.4
    • /
    • pp.46-52
    • /
    • 1997
  • In this paper th use of compensation based on a combination of active plus reactive power at distribution model system is proposed. The basic voltage-power relationships for the linearized case on an infinite bus are used and the compensation angle is defined based on the voltage magnitude response to small power injection. Compensation is supplied at several locations, and the system is subjected to varying fault scenarios, with its response observed under different system conditions. As number of control issues for a storage-based active/reactive power compensator as a bus voltage regulator are explored to compare the effectiveness of active/reactive again reactive-only compensation.

  • PDF