• Title/Summary/Keyword: IgY (Immunoglobulin Y)

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cDNA microarray analysis of viral hemorrhagic septicemia infected olive flounder, Paralichthys olivaceus: immune gene expression at different water temperature (바이러스성 출혈성 패혈증에 감염된 넙치의 cDNA microarray 분석 : 수온에 따른 면역 유전자 발현의 차이)

  • Kim, Jin-Ung;Jung, Sung-Ju
    • Journal of fish pathology
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    • v.27 no.1
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    • pp.1-9
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    • 2014
  • The olive flounder, Paralichthys olivaceus is susceptible to viral hemorrhagic septicaemia virus (VHSV) at $15^{\circ}C$ but no mortality at $20^{\circ}C$ even though the virus can grow well in vitro at $20^{\circ}C$. Thus, we designed an experiment to know immune response of olive flounder against VHSV when the host reared at $15^{\circ}C$ or $20^{\circ}C$. cDNA microarray analysis was performed to compare the gene expression patterns of the kidney cells between the host reared at $15^{\circ}C$ or $20^{\circ}C$. The expression of MHC class I, IL-8, myeloperoxidae and endonuclease G-like having function for the antigen presentation and chemokine-factor were up-regulted both the $15^{\circ}C$ and $20^{\circ}C$ during VHSV infection. MHC class II gene existing on antigen-presenting cells and B cell lymphocytes, immunoglobulin (Ig) genes and phagocytosis related genes were down-regulated at $15^{\circ}C$ but highly expressed at $20^{\circ}C$. It can be thought that innate immune related antigen presentation by MHC class I and phagocytosis reaction against VHSV are efficiently occur both the temperature but macrophage or B cell related antigen presentation via MHC class II fails to induce downstream immune reactions (adaptive immunity) to make antibody, and it can be one of the reason that causes high mortality only at $15^{\circ}C$.

White Rice Fermented by Clostridium butyricum IDCC 9207 as an Alternative to Antibiotic having Antibacterial and Immunostimulatory Activity (항생제 대체제로서 Clostridium butyricum IDCC 9207 백미 발효물의 항균작용과 장관 면역증진효과)

  • Lee, Seung-Hun;Kim, Seong-Beom;Kang, Jae-Hoon;Kang, Dae-Jung
    • Journal of Animal Science and Technology
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    • v.53 no.4
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    • pp.341-348
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    • 2011
  • The antagonistic activities against animal entero-pathogenic bacteria were investigated with 444 natural substances fermented by various probiotics. A white rice product fermented (FWR) by Clostridium butyricum IDCC 9207 with a high growth inhibition of Salmonella typhimurium KCTC 2054 and Escherichia coli O157:H7 was selected. Also, a FWR was shown to suppress 8 among 21 pathogenic bacteria. In a mouse model with salmonella (${\times}10^9$ CFU/mouse) infection, 5 samples (200 ${\mu}{\ell}$/mouse/day) were fed to mice (n = 25) for 18 days. A fermented white rice containing C. butyricum IDCC 9207 (FWRCb9207) among 5 samples significantly inhibited the growth of salmonella, while in the control group (PBS, tetracycline) the number of salmonella increased. And the treatment with FWRCb9207 was found to increase the secretory immunoglobulin A (sIgA) level in the feces of salmonella-infected mice. The results obtained in this study suggest that a FWRCb9207 might be utilized as a feed additive in pigs and poultry diets.

Antioxidant activity of Bamboo powder and its immunoreactivity in the pig (대나무 분말의 항산화력과 돼지의 면역 활성에 미치는 영향)

  • Song, Yuno;Chu, Gyo-Moon;Jang, Sun-Hee;Goo, Ae-Jin;Ko, Yeoung-Gyu;Ha, Ji Hee;Lee, Jae-Young;Kang, Suk-Nam;Song, Young-Min;Cho, Jae-Hyeon
    • Korean Journal of Veterinary Service
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    • v.37 no.2
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    • pp.111-122
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    • 2014
  • The present study was designed to explore the antioxidant effect of Bamboo powder and its immunoreactivity in pigs. We investigated the functional properties of Bamboo extracts by means of measuring the contents of total polyphenols and flavonoid as well as determining ABST, DPPH radical scavenging activity, and hydroxyl radical scavenging activity and anticancer activity. The total phenolic compound and flavonoids contents of Bamboo extracts were 171.25 mg/g and 127.5 mg/g, respectively. The DPPH radical, hydroxyl radical, ABST radical scavenging activity of Bamboo extracts were 17.3%, 12.5% and 21.5%, respectively. Evidenced by MTT and cell cycle assay, Bamboo dose-dependently inhibited the cell proliferation and induced G0/G1-phase arrest in CHO cells at concentrations of 100, 250, and 500 ${\mu}g/ml$ Bamboo extracts. More than 80% of apoptotic cells were observed by staining with annexin V in 500 ${\mu}g/ml$ Bamboo-treated CHO cells, indicating that Bamboo had potent anticancer activities. Next, to investigate the effect of Bamboo on cytokine, immunoglobulin concentration, and blood compositions, flatting pigs were fed with Bamboo powder for 38 days. Flatting pigs were divided into 4 groups; basal diet (control), basal diet supplemented with 1% Bamboo powder (T1), 2% Bamboo powder (T2), and 3% Bamboo powder (T3). The level of hemoglobin increased in the all Bamboo-fed groups compared with the normal control group. In particular, platelet levels in the all Bamboo-treated groups increased by approximately 90% compared with the levels from pig on a normal control. Serum levels of immunoglobulins (IgG, IgA) in the pigs fed Bamboo powder were modestly increased, and the interferon-${\gamma}$ level also was strongly increased in 2% or 3% Bamboo-fed groups compared with the levels in control groups. Together, these results demonstrated that Bamboo extracts had an effective capacity of scavenging for ABTS, DPPH, and hydroxyl radicals and showed correlation with potent phenol and flavonoid contents, thus suggesting its antioxidant potential. Moreover, administration of Bamboo in 2~3% improved blood parameters and platelets, and especially immunity-related ones such as IgG, IgA, and interferon-${\gamma}$, leading to be potential feed additives in flatting pigs.

Effects of Egg White Consumption on Immune Modulation in a Mouse Model of Trimellitic Anhydride-induced Allergy

  • Kim, Ji-Hyuk;Song, Hyuk;Kim, Hyoun Wook;Lee, Won-Young
    • Food Science of Animal Resources
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    • v.35 no.3
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    • pp.398-405
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    • 2015
  • Egg allergy has been shown to be the most common food allergy in children with atopic dermatitis. Allergic reactions to proteins derived from egg white (EW) are more common than those derived from egg yolk. Ovomucoid, ovalbumin, ovotransferrin, and lysozyme have been identified as major allergens in EW. This study was conducted to evaluate the effect of EW on immune modulation in an induced allergy mouse model. A total of 50 five-week-old BALB/c male mice were treated with trimellitic anhydride (TMA) for three weeks to induce allergy-like symptoms. The TMA-treated mice were rested for one week and then divided into five groups and fed 0, 10, 50, and 100 mg/d EW for four weeks. All EW consumption groups showed no significant increase or decrease in the populations of white blood cells; however, a significant increase in B-lymphocyte activity was observed in the fourth week. Furthermore, EW consumption did not influence serum immunoglobulin G and immunoglobulin E levels. Taken together, these data demonstrate that the consumption of EW by TMA-treated mice did not increase allergic parameters such as serum IgE level, but enhanced the lymphocyte activities against pathogens. Therefore, this study suggests that the consumption of EW promotes Th2 immune modulation, and EW could be an excellent candidate for maintaining health.

Vitamin D serum levels in children with allergic and vasomotor rhinitis

  • Lee, Seung Jin;Kang, Bong Hwa;Choi, Bong Seok
    • Clinical and Experimental Pediatrics
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    • v.58 no.9
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    • pp.325-329
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    • 2015
  • Purpose: In addition to regulating calcium and phosphorus homeostasis and bone metabolism, vitamin D is known as an immune modulator. Recently, there has been increased worldwide interest in the association between low levels of vitamin D and allergic diseases. The purpose of this study was to assess the relationship between serum vitamin D levels and allergic/vasomotor rhinitis (AR/VR) in children. Methods: This study included 164 patients. The sample included 59 patients with AR, 42 patients with VR, and 63 controls. Their ages ranged from 0 to 16 years. We examined the levels of 25-hydroxyvitamin D, Immunoglobulin E, specific IgE, and eosinophil cationic protein; peripheral blood eosinophil count; and the results of a skin prick test. Results: Serum 25-hydroxyvitamin D levels were $19.0{\pm}8.5ng/mL$ in the AR group, $25.5{\pm}10.9ng/mL$ in the VR group, and $26.9{\pm}10.7ng/mL$ in the control group. After adjustment for body mass index and season at the time of blood sampling, vitamin D levels in the AR group were lower than those of the VR group (P=0.003) and control group (P<0.001). Vitamin D levels were inversely correlated with Immunoglobulin E levels (r=-0.317, P<0.001). AR patients with food allergy or atopic dermatitis did not have lower levels of 25-hydroxyvitamin D than AR patients without these diseases. Conclusion: This study demonstrates a possible relationship between vitamin D levels and allergic rhinitis in Korean children.

The alteration of the positive rate of cytomegalovirus IgG antibody among preschool period children (학령 전기 소아에서 거대세포바이러스 IgG 항체 양성률의 변동)

  • Seo, Se-Young;Park, Sang-Jun;Hwang, Ja-Young;Hahn, Seong-Hoon;Kim, So-Young;Kim, Hyun-Hee;Lee, Wonbae
    • Clinical and Experimental Pediatrics
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    • v.49 no.1
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    • pp.51-55
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    • 2006
  • Purpose : In order to evaluate the time of disappearance of cytomegalovirus(CMV) IgG antibodies from mothers, and the alteration of the positive rate of CMV IgG antibodies among preschool period children, we investigated the positive rate of CMV antibodies among preschool children. Methods : We studied 391 children who visited the Department of Pediatrics from March, 2001 to February, 2004. We measured the serum CMV IgG of 217 children and the serum CMV IgM of 358 children. Results : The positive rate of CMV IgG antibodies is 83.9 percent(the number of positive IgG children is 182 out of 217). The alteration of the positive rate is 92.9 percent in 0-3 months, 75.0 percent in 4-6 months and the nadir was 20.0 percent in 7-9 months. Then, the positive rate increased to 83.9 percent in 22-24 months. After 22 months, the positive rate was 92.1 percent(the number of positive IgG children was 105 out of 114). The positive rate of CMV IgM antibody by age is 3.3 percent in 0-1 months, 3.6 percent in 1-2 months, 10.5 percent in 2-3 months, 14.3 percent in 3-4 months, 14.3 percent in 4-5 months, and then the results of five children among 148 children were positive. The distribution was one in 22-23 months, one in 25-26 months, one in 27-28 months, one in 28-29 months, one in 40-41 months. We discovered IgM positive children succesively from birth to 5 months, but sporadically after 5 months. Conclusion : The CMV IgG from mothers has decreased since birth and the time of nadir is 7-9 months. But it increases to a mean value of 83.9 percent at 22-24 months because of perinatal or postnatal infections.

Effects of Hubakmawhang-tang on Asthma Model Mice Induced by Ovalbumin (후박마황탕(厚朴麻黃湯)이 ovalbumin으로 유도된 천식 모델 생쥐에 미치는 영향)

  • Na, Ga-young;Lee, Hye-in;Kim, Young-kwang;Moon, Young-ho
    • The Journal of Internal Korean Medicine
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    • v.39 no.4
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    • pp.451-462
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    • 2018
  • Hubakmawhang-tang (HMT), listed in Geumgweyoryak, is an oriental medicine used for the symptoms of asthma, such as cough and dyspnea. In this study, we investigated the HMT effects on ovalbumin-induced asthmatic in mice. We examined weight changes, airway hyperresponsiveness, histopathological abnormalities, immune cell infiltrations, immunoglobulin and inflammatory cytokine levels, and spleen body weight ratios in asthmatic mice. HMT inhibited airway hyperresponsiveness, immune cell infiltration, and airway remodeling and caused a significant lowering of serum IgE and IgG1 levels. The asthmatic mice had elevated IL-4 levels in lung tissue and this elevation was effectively prevented by HMT. HMT did not cause changes in body weight or in the spleen body weight ratio. Therefore, HMT might have an anti-asthmatic effect in the ovalbumin-induced mouse model.

Blockade of STAT3 in T Cells Inhibits Germinal Center Reactions against Intranasal Allergens

  • Choi, Garam;Chung, Yeonseok
    • Biomolecules & Therapeutics
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    • v.24 no.3
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    • pp.244-251
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    • 2016
  • Understanding the developmental mechanisms of humoral immunity against intranasal antigens is essential for the development of therapeutic approaches against air-borne pathogens as well as allergen-induced pulmonary inflammation. Follicular helper T (Tfh) cells expressing CXCR5 are required for humoral immunity by providing IL-21 and ICOS costimulation to activated B cells. However, the regulation of Tfh cell responses against intranasal antigens remains unclear. Here, we found that the generation of Tfh cells and germinal center B cells in the bronchial lymph node against intranasal proteinase antigens was independent of $TGF-{\beta}$. In contrast, administration of STAT3 inhibitor STA-21 suppressed the generation of Tfh cells and germinal center B cells. Compared with wild-type OT-II T cells, STAT3-deficient OT-II T cells transferred into recipients lacking T cells not only showed significantly reduced frequency Tfh cells, but also induced diminished IgG as well as IgE specific for the intranasal antigens. Cotransfer study of wild-type OT-II and STAT3-deficient OT-II T cells revealed that the latter failed to differentiate into Tfh cells. These findings demonstrate that T cell-intrinsic STAT3 is required for the generation of Tfh cells to intranasal antigens and that targeting STAT3 might be an effective approach to ameliorate antibody-mediated pathology in the lung.

Development of wireless/battery-free Love wave biosensor (무선/무전원 러브파 바이오센서 개발)

  • Nam, Min-Woo;Oh, Hae-Kwan;Lee, Kee-Keun;Yang, Sang-Sik
    • Proceedings of the KIEE Conference
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    • 2009.07a
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    • pp.1545_1546
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    • 2009
  • This paper reports a novel wireless love-wave biosensor on $41^{\circ}$ YX $LiNbO_3$ piezoelectric substrate and $SiO_2$ guiding layer for Immunoglobulin G (IgG) detection by protein binding. Different from the traditional biosensors based on surface acoustic wave (SAW) oscillator structured by delay line/resonators, a 440MHz reflective delay line consists of SPUDTs and three reflectors placed on $41^{\circ}$ YX $LiNbO_3$ in a row was fabricated as the sensor element. Good linearity, reproducibility, and high sensitivity were observed in the IgG concentration range 1~65nM. Unique advantages as high sensitivity, passive and simple measurement system are present over currently available other biosensors.

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Psychoneuroimmunologic Effect of Aromatherapy massage (향요법마사지의 심리신경면역학적 효과)

  • Lee, Sung-Hee
    • Women's Health Nursing
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    • v.6 no.2
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    • pp.305-315
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    • 2000
  • The purpose of this study was to explore the psychoneuroimmunologic effect of aromatherapy massage and to compare the effect with that of massage. This study is designed as a nonequivalent control group pretest-posttest quasi-experimental study and each twenty postpartum mothers volunteered the experimental group and control group. For experimental group, researcher used massage with 2% Jojova oil mixed with Lavender and Rosemary oil (Bush Boake Allen Inc., USA) for 20 minutes, whereas for control group Jojova oil was used as luburicant for massage. Skin temperature was measured with YSI Tele-thermometer(Simpson electric Co., USA) and the concentration of IgA in salivary was analyzed by immunoturbididimetric assay(Cobas INTEGRA, Roche, Swiss) at pre and post test. Also at this time fatigue were measured by Rhoten Fatigue Scale through self-report. The data were analyzed using SAS and hypothesis was tested with unpaired t-test. The results were as follows : 1) Score of fatigue decreased significantly after use of aromatherapy massage. 2) Skin temperature increased significantly after use of aromatherapy massage. 3) Concentration of salivary IgA increased significantly after use of aromatherapy massage. In conclusion, from the standpoint of psychoneuroimmunologic view, the results suggest that aromatherapy massage have greater effect compared with massage and can be effective nursing intervention to enhance relaxation of mind and body in the postpartum mothers.

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