• Title/Summary/Keyword: IgA

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Seroprevalence of Toxoplasma gondii Infection and Characteristics of Seropositive Patients in General Hospitals in Daejeon, Korea

  • Shin, Dae-Whan;Cha, Dong-Yeub;Hua, Quan Juan;Cha, Guang-Ho;Lee, Young-Ha
    • Parasites, Hosts and Diseases
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    • v.47 no.2
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    • pp.125-130
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    • 2009
  • To figure out the epidemiological status and relevance with other diseases in toxoplasmosis, we checked serum IgG antibody titers of 1,265 patients and medical records of seropositive patients. Seropositive rates were 6.6% by latex agglutination test (LAT) and 6.7% by ELISA. No significant differences were detected between sexes and age groups. The peak seroprevalence was detected in the 40-49-year-old age group. According to clinical department, Toxoplasma-positive rates were high in patients in psychiatry, ophthalmology, health management, emergency medicine, and thoracic surgery. Major coincidental diseases in seropositive cases were malignant neoplasms, diabetes mellitus, arthritis, chronic hepatitis B, chronic renal diseases, schizophrenia, and acute lymphadenitis, in the order of frequency. In particular, some patients with chronic hepatitis B and malignant neoplasms had high antibody titers. These results revealed that the seroprevalence of toxoplasmosis in a general hospital-based study was similar to that in a community-based study, and T. gondii seropositivity may be associated with neoplasms, diabetes, and other chronic infections.

Production of the Monoclonal Antibodies to the Escherichia coli Heat-Stable Enterotoxin (대장균의 내열성장독소 측정법개발을 위한 단세포군항체의 생산)

  • Chang, Woo-Hyun;Lee, Woo-Kon;Kim, Suck-Yong;Park, Jung-Bum
    • The Journal of the Korean Society for Microbiology
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    • v.22 no.4
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    • pp.377-392
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    • 1987
  • Monoclonal antibody to the Escherichia coli heat-stable enterotoxin(ST) was produced to develop a rapid and convenient diagnostic method to the ST. The toxin was purified from culture supernatant of enterotoxigenic E. coli O148H28($ST^+/LT^+$) and conjugated to bovine serum albumin(BSA). The ST-BSA conjugate was used to immunize BALB/c mice and the immune spleen cells from these mice were fused with $P3{\times}63$ Ag8.V653 plasmacytoma cells. Hybridomas were screened by ELISA and positive hybridomas were cloned by limiting dilution. Finally, one stable clone (AS36) specific to ST was selected for further growth and characterization. Antibody titers of culture supernatant and ascitic fluid from BALB/c mice were 1:1,024 and 1:20,480 respectively in ELISA. The isotype and subclass of monoclonal antibody was IgG1 in sandwich ELISA. To test the neutralizing effect of monoclonal antibody on toxin activity of ST, mixture of ascitic fluid and ST was assayed by infant mouse assay and this monoclonel antibody was proved to be a neutralizing antibody. The titer of ascitic fluid which completely neutralized biological activity of 4 units of ST was 1:4. Purified ST was quantitatively measured by competitive ELISA and minimum amount of ST detectable by this assay was 250pg, which was an amount six-fold smaller than that detectable by infant mouse assay. Four reference strains of enterotoxigenic E. coli from WHO were detected by competitive ELISA and highly specific, sensitive and reproducible result was obtained.

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The Experimental study on the Immuno-regultory effect of Notopterygii Rhizoma Extract on OVA-induced asthma in mice (강활추출물이 OVA-induced Asthma Mouse Model의 면역조절에 미치는 영향)

  • Yoo, Ji-Hyun;Bae, Jin-Hyun;Doh, Eun-Soo;Chang, Jun-Pok;Seong, Nak-Sul;Kil, Ki-Jung
    • The Korea Journal of Herbology
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    • v.26 no.4
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    • pp.83-88
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    • 2011
  • Objectives : The aim of this study was to investigate the asthma-suppressive and immuno-regulatory effect of Notopterygii Rhizoma(NR) extract on OVA(ovalbumin)-induced asthma in mice. Methods : C57BL/6 mice out of all the experimental groups, except the Normal group and the NRI group, were sensitized and challenged with OVA. C57BL/6 mice were exposed to OVA three times a week for 12 weeks and analyzed by flow cytometer, ELISA, H&E stain. Results : The concentrations of IL-4, IL-5, IL-13, IgE in serum of the OVA-NRII group decreased significantly compared with those of the OVA-Control group. The number of $Gr-1^+/CD11b^+$, $CCR3^+$, $CD3^+/CD19^+$, $CD3e^+/CD69^+$cells in the OVA-NRI group decreased significantly compared with those of the OVA-Control group. The collagen accumulation in the lung sections of the OVA-NRII group decredased signi- ficantly compared with that of the OVA-Control group. Conclusions : These results suggest that Notopterygii Rhizoma(NR) would be a effective candidate for herbal-originated anti-asthmatic drug. However, this drug should be further studied for characterization of the accurate action and underlying mechanism using variant disease model in the future.

Fabrication and Characteristics of C(IG)(SeS)2 Absorbers by Selenization and Sulfurization

  • Son, Young-Ho;Jung, Myoung-Hyo;Choi, Seung-Hoon;Choi, Jung-Kyu;Kim, Jin-Ha;Lee, Dong-Min;Park, Joong-Jin;Lee, Jang-Hee;Jung, Eui-Chun;Kim, Jung-Hun
    • Proceedings of the Korean Vacuum Society Conference
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    • 2011.08a
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    • pp.361-361
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    • 2011
  • Cu(InGa)(SeS2) (CIGS) thin film solar cells have recently reached an efficiency of 20%. Recent studies suggest a double graded band gap structure of the CIGS absorber layer to be a key issue in the production of high efficiency thin film solar cell using by sputtering process method. In this study, Cu(InGa)(SeS2) absorbers were manufactured by selenization and surfulization, we have deposited CIG precusor by sputtering and Se layer by evaporation before selenization. The objective of this study is to find out surfulization effects to improve Voc and to compare with non-surfulization Cu(InGa)Se2 absorbers. Even if we didn't analysis Ga depth profile of Cu(InGa)(SeS2) absorbers, we confirmed increasing of Eg and Voc through surlization process. In non-surfulization Cu(InGa)Se2 absorbers, Eg and Voc are 0.96eV and 0.48V. Whereas Eg and Voc of Cu(InGa)(SeS2) absorbers are 1.16eV and 0.57V. And the efficiency of 9.58% was achieved on 0.57cm2 sized SLG substrate. In this study, we will be discussed to improve Eg and Voc through surfulization and the other method without H2S. gas.

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An Experimental Studies on the Anti-allergic Reaction, the Antipyretic Action, the Anti-inflammatory and the Analgesic Action of Yenhwagamchotang and Gamiyenhwagamchotang (銀花甘草湯과 加味方이 抗 알레르기, 解熱, 消炎, 鎭痛效果에 미치는 影響)

  • Choe, Gyu-Dong;Kim, Jung-Ho;Chae, Byeong-Yun
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.6 no.1
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    • pp.15-29
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    • 1993
  • Yenhwagamchotang has been widely used in treatment of inflammatory disease which is based on Oriental Medical literatures. These studies were attempted experimental effects of Yenhwagamchotang(sample A), Yenhwagamchotang plus Forsythia koreana NAKAI.(sample B), and Yenhwa-gamchotang plus Taraxacum mongolicum HAND- MAZZ(sample C),on the Anti-allergic reaction, the antipyretic action,the anti-inflammatory and the analgesic action,in rats. THe results of the studies were as follow: 1. Vascular permeability responses to intradermal serotonin in rats were showed significant effect at all sample groups. 2. The homologous passive cutaneous anaphylaxis in rats provoked by the IgE-like antibody aganist egg white albumin showed the decreasing effect. 3. The delayed type hypersensitivity responses to picryl chloride in mice were showed significant effect at all sample groups. 4. The delayed type hypersensitivity response to sheep red blood cell in mice were showed significant effect at all sample groups. 5. In anti-pyretic effect by yeast method were showed significant effect at all sample groups. 6. The anti-inflammatory effect by carrageenin method were showed significant effect at all sample groups. 7. The analgesic action by acetic acid method in mice were showed significant effect at all sample groups. According to the above result, Yenhwagamchotang(sample A), Yenhwagamchotang plus Forsythia koreana NAKAI(sample B), AND yenhwagamchotang plus Taraxacum mongolicum HNAN- MAZZ.(sample C ) were concluded to have the anti-allergic reaction, the antipyretic action, the anti-inflammatory, the analgesic action.

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Aggravating and Mitigating Patient Factors Affecting Mild to Moderate Atopic Dermatitis (중등도 이하 아토피 피부염에 영향을 미치는 환자 요인)

  • Kang, Dong-Won;Kim, Yoon-Bum
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.33 no.4
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    • pp.1-15
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    • 2020
  • Objectives : To investigate aggravating and mitigating factors of atopic dermatitis and to utilize the outcome in treatment planning. Methods : The research has a cross-sectional study design. Patients' SCORing Atopic Dermatitis (SCORAD) Index, demographic, physical characteristics, social history, serologic index and skin related instrumental measurements were analyzed with correlation and regression analysis method. Results : 48 patients in total were enrolled in the study. Skin Surface Hydration (SSH) and sex were found to be statistically significant aggravating and mitigating factors. As SSH increased, Total SCORAD (tSCORAD) and Objective SCORAD (oSCORAD) increased as well. As SSH decreased, tSCORAD and oSCORAD decreased as well. Female patient had a higher probability of suffering from severer subjective symptoms than that of male. Age, body mass index (BMI), alcohol consumption and smoking, transepidermal water loss (TEWL), IgE, IL-4, IL-5, IL-6, IFN-γ were found not to be statistically significant. There was no correlation between Subjective SCORAD (sSCORAD) and oSCORAD neither with Eczema Area and Severity Index (EASI). Conclusions : Increasing cutaneous moisture should be included in the treatment plan of atopic dermatitis. More emphasis should be put on alleviating subjective discomforts of female patients than that of male. Establishing separate strategies of managing objective eczema status and subjective discomforts respectively should be considered.

Efficacy and Safety of Soy Protein Based Formula in Atopic Dermatitis

  • Yeom, Kkot-Bo-Ra;Kim, Kyu-Han
    • Preventive Nutrition and Food Science
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    • v.16 no.3
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    • pp.248-252
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    • 2011
  • Soy protein based formula (SPF) has been developed for infants who are at a high risk for atopic dermatitis (AD) and cow's milk protein allergy (CMA). We performed this study to evaluate the therapeutic efficacy and safety of SPF compared to conventional hydrolyzed cow's milk formula (hCMF) in the feeding of infants with AD and CMA. 38 infants (12 to 24 months of age) diagnosed with CMA and AD were randomized to receive either SPF or hCMF for 12 weeks. Follow-up was conducted at 4, 8 and 12 weeks. Growth parameters of the infants were evaluated during each visit. Clinical evaluations, including AD severity scores, pruritus, specific immunoglobulin E (IgE) (cow's milk protein and soy protein) levels of peripheral blood, were made at enrollment and week 12. Analysis was performed on the 32 infants (SPF: n=16, hCMF: n=16) who completed the 12-week intervention. Eczema area and severity index (EASI) scores, a measure of the severity of AD, and pruritus were significantly reduced after 12 weeks compared to enrollment in the both groups; however, the median changes for EASI scores and pruritus were not statistically different between the two groups. The growth parameters did not differ significantly between both groups at any assessed time point. This study suggests that SPF could be useful in decreasing the severity of AD without affecting infant growth status. Therefore SPF could provide an adequate and safe alternative to hCMF in treating infants with AD and CMA during the first 12 to 24 months of their life.

Effects of honeybee (Apis Mellifera L) venom and probiotic in piglets (자돈에 투여한 봉독 및 생균제의 효과)

  • Han, Sang-Mi;Lee, Kwang-Gill;Yeo, Joo-Hong;Kweon, Hae-Yong;Woo, Soon-Ok;Oh, Baeg-Young;Baek, Ha-Ju;Chang, Young-Chae;Park, Kwan-Kyu;Kim, Soon-Tae
    • Korean Journal of Veterinary Service
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    • v.31 no.2
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    • pp.229-237
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    • 2008
  • This study was conducted to evaluate the effect of honeybee venom, purified using bee venom collector, and feeding of probiotics on the body weight gain, growth rate and hematological characteristics of pigs. A total of 120 pigs were examined and divided into 4 groups 1) Control (basal diet), 2) BV (basal diet + bee venom), 3) PB (basal diet + probiotics), 4) BVPB (basal diet + BV + PB). Average daily weight gain improved significantly in all test groups, especially BVPB (P < 0.05) compared to the controls. There was a significant difference in the feed conversion rate (P < 0.05) and efficiency (P < 0.05) between BVPB and control pigs. Weight gain and survivability was higher in the tests than the controls, but white blood cell count was not. Serum total protein, albumin and IgG concentration of BVPB were slightly higher than those of controls. These results suggest that treated honeybee venom and probiotics should be used together to effectively increase the productivity of pigs.

국내 박쥐에서의 일본뇌염 바이러스 항체 조사

  • 이재상;이연태
    • Korean Journal of Microbiology
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    • v.30 no.2
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    • pp.115-123
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    • 1992
  • A total of453 wilci hats inhabiting in Korea were captured ancl .he IgG antibodies againstJapanese Encephalitis Virus(J1IV) were detected by the heniagglut:nation inhibition te5t. 35501' the 453 blood sera showecl positive reaction to JEV with titers of I0 up to 40. Positiverates of male and kniale hats were 70.0'%1 anel 78.1'k. rcspectivclv. Positive ratci accordingto area were 74.7%) in Chungnan~. 72.h'\ulcorner6 in Kangwon and 74.3'"; in C'hungbuk. the resultbof which indicated no dil'krencc in areii. Whereas positive ratus according to hats specie5were 87.5(% f i ~ rC i..cpc~rtilios upernns. fi~llowedb y 83 3'%, k)r Mpoii.\ i ~ ~ : t r u ~ i tci.i~lis~. ~75l.0. '\4 1 forRhitrolol~h.\ '||'&'||',rurn~uic,r~unal ncl 59.6'!41 for Minioprc,ru.s schrc~ibersii.I t was Ibund by incli rrctini~nunofluorosce~icae nd clectron microscope techniques that the virus particles 01. JEVcould infect the brain of a Korean wilcl bats and proliferatn ill the brain cells.he brain cells.

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The Case Report of Anaphylaxis after Treated with Bee-Venom Acupuncture (봉약침 시술 후 발생한 Anaphylaxis 환자의 증례보고)

  • Kim, Jin-Hee;Kim, Min-Soo;Lee, Ji-Young;Yeom, Seung-Ryong;Kwon, Young-Dal;Kim, Dong-Woung
    • Journal of Korean Medicine Rehabilitation
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    • v.25 no.4
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    • pp.175-182
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    • 2015
  • The purpose of this study was to report an anaphylaxis after treated with Bee-venom acupuncture. Anaphylaxis is a clinical syndrome characterized by the acute system reaction of multiple organ systems to an IgE-mediated immunologic mediator release in previously sensitized individuals. We investigated the patients who had injected with Bee-venom in our clinic from March 2, 2014 to May 30, 2015. and two patients of anaphylaxis treated by Bee-Venom acupuncture were observed. One case of anaphylaxis was expressed clinically hypotension drowsy mentality, dyspnea, vomiting and so on. The other case was expressed itching sensation, urticaria, breathlessness, abdominal pain and so on. Based on this case, Bee venom-induced anaphylaxis can occur although preceding reactions are local or mild systemic ones. So, Korean medical doctor using Bee-Venom acupuncture must be prepare the system consider a countermeasure by anaphylaxis.