• Title/Summary/Keyword: Antibody Response

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The Effects of Complex Motor Training on Motor Function and Synaptic Plasticity After Neonatal Binge-like Alcohol Exposure in Rats (복합운동훈련이 신생 흰쥐의 알코올성 소뇌손상 후 운동기능 및 신경연접가소성에 미치는 영향)

  • Lee, Sun-Min;Koo, Hyun-Mo;Kwon, Hyuk-Cheol
    • Physical Therapy Korea
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    • v.12 no.3
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    • pp.56-66
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    • 2005
  • The purposes of this study were to test that complex motor training enhance motor function significantly, to test change in cerebellum, and to test the synaptic plasticity into the immunohistochemistry response of synaptophysin. Using an animal model of fetal alcohol syndrome - which equates peak blood alcohol concentrations across developmental period - the effects of alcohol on body weight during periods were examined. The effect of complex motor training on motor function and synaptic plasticity of rat exposed alcohol on postnatal days 4 through 10 were studied. Newborn rats were assigned to one of two groups: (1) normal group (NG), via artificial rearing to milk formula and (2) alcohol groups (AG), via 4.5 g/kg/day of ethanol in a milk solution. After completion of the treatments, the pups were fostered back to lactating dams, where they were raised in standard cages (two-and three animals per cage) until they were postnatal 48 days. Rats from alcohol group of postnatal treatment then spent 10 days in one of two groups: Alcohol-experimental group was had got complex motor training (learning traverse a set of 6 elevated obstacles) for 4 weeks. The alcohol-control group was not trained. Before consider replacing with "the experiment/study", (avoid using "got" in writing) the rats were examined during four behavioral tests and their body weights were measured, then their coronal sections were processed in rabbit polyclonal antibody synaptophysin. The synaptophysin expression in the cerebellar cortex was investigated using a light microscope. The results of this study were as follows: 1. The alcohol groups contained significantly higher alcohol concentrations than the normal group. 2. The alcohol groups had significantly lower body weights than the normal group. 3. In alcohol groups performed significantly lower than the normal group on the motor behavioral test. 4. In alcohol-control group showed significantly decreased immunohistochemistric response of the synaptophysin in the cerebellar cortex compared to the nomal group. These results suggest that improved motor function induced by complex motor training after postnatal exposure is associated with dynamically altered expression of synaptophysin in cerebellar cortex and that is related with synaptic plasticity. Also, these data can potentially serve as a model for therapeutic intervention.

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The dietary supplementing effects of Kugija, Lycium chinense, on immune responses of Nile tilapia, Oreochromis niloticus, to Edwardsiella tarda (구기자 투여가 나일틸라피아, Oreochromis niloticus의 Edwardsiella tarda백신 처리에 미치는 효과)

  • Kwon, Mun-Gyeong;Kim, Yi-Cheong;Sohn, Young-Chan;Park, Soo-Il
    • Journal of fish pathology
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    • v.12 no.2
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    • pp.73-81
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    • 1999
  • To study the supplementaing effects of kugija, Lycium chinense, in commercial diet on the immune response of nile tilapia, Oreochromis niloticus, nonspecific immune responses were investigated. The activities of complement and lysozyme were higher in sera of the fish fed diet with kugija than control diet. The effects of kugija on vaccination of fish to Edwardsiella tarda were compared in three different vaccination methods after feeding kugija for ten weeks. Intraperitoneal injection and bath administration with formalin killed cells (FKC) and bath with extracellular products (ECP) after injection of FKC showed differences in immune responses of vaccinated fish. Bath administration with ECP after injection of FKC was more stimulated than any other methods in each of nonspecific and specific responses such as the activities of complement and lysozyme, antibody production and rosette forming cells. Moreover, cumulative mortality was significantly lower in the fish vaccinated with combination FKC and ECP after injection challenge with live E. tarda.

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Microparticle-based Immunonassay for the Detection of C-reactive Protein in Serum (미립자 응집반응을 이용한 C-reactive Protein의 면역 측정 법에 관한 연구)

  • 김재화;송은영;이희구;최용경;최명자;김용호;최인성;정태화
    • Biomedical Science Letters
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    • v.2 no.1
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    • pp.41-48
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    • 1996
  • The C-reactive protein(CRP) from ascitic and pleural fluid was purified using calcium dependent affinity chromatography of CNBr activated Sepharose-4B covalently coupled to p-diazonium phenylphosphorylcholine(DPPC) and hydroxylapitite chromatography. Polyclonal antibody was prepared from rabbit by immunizing the purified CRP. Specific immunoglobulin G was isolated using affinity chromatography and coupled to microparticles. A sensitive microparticle-based immunoassay was developed to measure CRP within 3 mins. The detection range was between 0.5mg/dl) and 20mg/dl in serum, showing strong response in the range of 0.7~2.9 mg/dl, weak response in 5.0~13.2 mg/dl and zone phenomenon over 28mg/dl. The average value of CRP in 74 samples was 3.8mg/dl and most of the values were lower than 10mg/dl .The CRP values of serum samples were determined by our microparticle-based immunoassay, and were compared with those obtained using the other commercial products(B Co., France and I Co., Japan). Good correlations were shown between the values obtained by our developed microparticle-based immunoassay system and those by other commercial products. All performance characteristics evaluated make our developed microparticles-based immunoassay suitable for a simple, rapid, and reliable screening of CRP in serum.

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Multi-Immunogenic Outer Membrane Vesicles Derived from a MsbB-Deficient Salmonella enterica Serovar Typhimurium Mutant

  • Lee, Sang-Rae;Kim, Sang-Hyun;Jeong, Kang-Jin;Kim, Keun-Su;Kim, Young-Hyun;Kim, Sung-Jin;Kim, E-Kyune;Kim, Jung-Woo;Chang, Kyu-Tae
    • Journal of Microbiology and Biotechnology
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    • v.19 no.10
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    • pp.1271-1279
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    • 2009
  • To develop low endotoxic and multi-immunogenic outer membrane vesicles (OMVs), a deletion mutant of the msbB gene in Salmonella enterica serovar Typhimurium (S. Typhimurium) was used as a source of low endotoxic OMV, and an expression vector of the canine parvovirus (CPV) VP2 epitope fused to the bacterial OmpA protein was constructed and transformed into the Salmonella ${\Delta}msbB$ mutant. In a lethality test, BALB/c mice injected intraperitoneally with the Salmonella ${\Delta}msbB$ mutant survived for 7 days, whereas mice injected intraperitoneally with the wild type survived for 3 days. Moreover, all mice inoculated orally with the ${\Delta}msbB$ mutant survived for 30 days, but 80% of mice inoculated orally with the wild type survived. The OmpA::CPV VP2 epitope fusion protein was expressed successfully and associated with the outer membrane and OMV fractions from the mutant S. Typhimurium transformed with the fusion protein-expressing vector. In immunogenicity tests, sera obtained from the mice immunized with either the Salmonella msbB mutant or its OMVs containing the OmpA::CPV VP2 epitope showed bactericidal activities against wild-type S. Typhimurium and contained specific antibodies to the CPV VP2 epitope. In the hemagglutination inhibition (HI) assay as a measurement of CPV-neutralizing activity in the immune sera, there was an 8-fold increase of HI titer in the OMV-immunized group compared with the control. These results suggested that the CPV-neutralizing antibody response was raised by immunization with OMV containing the OmpA::CPV VP2 epitope, as well as the protective immune response against S. Typhimurium in BALB/c mice.

PD-L1 expression correlated with p53 expression in oral squamous cell carcinoma

  • Tojyo, Itaru;Shintani, Yukari;Nakanishi, Takashi;Okamoto, Kenjiro;Hiraishi, Yukihiro;Fujita, Shigeyuki;Enaka, Mayu;Sato, Fuyuki;Muragaki, Yasuteru
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.41
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    • pp.56.1-56.6
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    • 2019
  • Background: Programmed cell death ligand 1 (PD-L1) is an immune checkpoint molecule that attenuates the immune response. PD-L1 contributes to failed antitumor immunity; thereby, blockade of PD-L1 with monoclonal antibody enhances the immune response. Recently, it was reported that PD-L1 was regulated by protein 53 (p53). Besides, cytokeratin 17 (CK17) is thought to be a diagnostic marker of oral squamous cell carcinoma (OSCC). Our aim was to evaluate the correlation between the immunohistochemical expression of PD-L1, p53 and CK17 with clinicopathological characteristics and disease-specific survival in patients with OSCC. Methods: A total of 48 patients with OSCC were included in this study. Immunohistochemical staining was performed to evaluate the correlation among the expressions of PD-L1, p53 and CK17, and furthermore the correlation among various clinicopathological factors, PD-L1, p53 and CK17. Results: The positive rate of p53, CK17, PD-L1 (tumor cells) and PD-L1 (tumor-infiltrating lymphocytes) was 63.2%, 91.7%, 48.9% and 57.1%. A statistically significant correlation between p53 expression and T stage and TNM stage (p = 0.049, p = 0.03, respectively) was observed. Also, a statistically significant correlation between p53 and PD-L1 (TCs) expression (p = 0.0009) was observed. Five-year disease-specific survival rate was not significantly correlated with gender, TNM stage, p53 expression, PD-L1 expression and CK17 expression. Conclusion: The expression of p53 and PD-L1 shows significantly positive correlation in oral squamous cell carcinoma in tumor cells. Also, a significant correlation between p53 expression and T stage and TNM stage was observed. No other significant correlation between PD-L1 staining or CK17 and clinical or pathologic characteristics was identified.

Effects of propolis extracts on the immune response in cultured flounder, Paralichthys olivaceus (Propolis extracts가 양식넙치의 면역활성능에 미치는 영향)

  • Nam, Hyun Ju;Park, Kyung Il;Choi, Min Soon
    • Journal of fish pathology
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    • v.27 no.1
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    • pp.47-56
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    • 2014
  • Propolis is a beehive product with a very complex chemical composition, widely used in folk medicine because of its several therapeutic activities. This study was conducted to measure the efficacy of propolis on non-specific defense reactions, specific immune response, and protection levels against pathogen challenge with Streptococcus iniae. in vitro and in vivo. In vitro, the phagocytic activity and NBT assay of peripheral blood leukocytes (PBL) were evaluated in a various propolis extractsconcentrations (0, 10, 50, 100, 150, 250 and $500{\mu}g/ml$). The optimal concentration showing activation of propolis extracts was determined to $100{\mu}g/ml$. In vivo, they were divided into four groups (PBS, propoli extractss, vaccine, propolis extracts + vaccine) in vivo. Fish were received i.p. injection of either PBS or propolis extracts, and in the presence or absence of formalin inactivated S. iniae ($1{\times}10^8$ CFU/fish), respectively. The level of haematocrit is not affected among experimental groups. The phagocytic activity and the NBT reduction activities of head kidney phagocyte were markedly (p<0.05)augmented in the propolis extracts groups than in the PBS-control group, respectively. The level of serum lysozyme activity was significantly (p<0.05) increased in the propolis extracts treated groups than in the PBS-control group. The agglutinin titer was significantly (p<0.05) enhanced in the vaccine+propolis extracts group than in the vaccine group, but there was no difference between PBS-control and propolis treated group. The results of the present study suggest that propolis extracts seems to be a promising compounds of non-specific immune stimulator, also being able to use a good adjuvant.

Effect of Gal-Geun-Tang on Antigen-Specific Immune Response (갈근탕(葛根湯)이 면역조절작용에 미치는 영향)

  • Cho, Dae-Yeoun;Yun, Young-Gab;Jung, Myung;Lee, Eun-Hye;Bok, Young-Ok;Jung, Chang-Ohk;Lim, Kyu-Sang
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.29 no.3
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    • pp.134-149
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    • 2016
  • Objectives : Gal-Geun-Tang (GT) has been described from SANGHAN in Korean traditional medicine and known to act against cold, fever, hypertension, and nasal catarrh. However, little has yet been learned about the effect of GT on immune function. In the current study, in vitro and in vivo immunomodulatory activity of GT (water extract) was investigated.Methods : Water extract of GT induced in vitro proliferation of spleen cells and significantly increased their proliferative responses during anti-CD3 activation. Using purified splenic T and B cells, it was revealed that GT has a mitogenic activity to B cells and promotes their proliferation induced by lipopolysaccharide, whereas T cell proliferation was not triggered and GT was rather inhibitory to T cell activation caused by anti-CD3 antibody. In the presence of antigen presenting cells (APC), GT addition resulted in a significant increase of IFNγ and IL-4, but not IL-2, production. However, addition of high concentration (1,000㎍/㎖) of GT led to a marked reduction in T cell cytokine production and under such condition, GT facilitated apoptosis of T cells when examined by flow cytometry with propidium iodide staining.Results : In vivo immunomdulation of GT was also investigated using a mouse model. Following keyhole limpet hemocyanin (KLH) immunization, GT (1 ㎎/day) was orally administered for 9 days. Cell numbers in thymus, spleen and peripheral blood were not altered by GT administration, indicating that such dose is not immunotoxic. Cell numbers in draining lymph nodes (LN) and ex vivo Ag-specific proliferation of LN cells were significantly elevated by GT administration. However, any preferential stimulation of T or B and CD4+ or CD8+ T cell subpopulations was not observed in a flow cytometric analysis of LN cells. This result shows that GT does not promote in vivo B cell proliferation while GT enhances Ag-specific proliferation of LN cells, unlike what was observed in vitro.Conclusions : For a further understanding of in vivo immunomodulatory activity of GT, ex vivo cytokine production of LN cells obtained from KLH-immunized mice was evaluated. Ag-specific IFNγ production was significantly higher in GT-treated mice when compared to PBS-treated control mice. In contrast, IL-4 production in GT-treated group was comparable to control group unlike to in vitro data. In addition, GT administration did not result in any significant differences in serum levels of Ig (IgM, IgG1 and IgG2a) between GT-treated and control groups. Taken together, these data strongly support that GT promotes immune response, more profoundly type 1 helper T cell (Th1) activity and GT may be applicable for treatment of intracellular parasite infection such as viral diseases.

Effects of Chronic Inflammation on Energy Metabolism and Growth Performance in Weanling Piglets

  • Moon, H.K.;Han, In K.;Gentry, J.L.;Parmentier, H.K.;Schrama, J.W.
    • Asian-Australasian Journal of Animal Sciences
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    • v.12 no.2
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    • pp.174-179
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    • 1999
  • The effect of a chronic inflammation (cell-mediated immune response) on energy metabolism and growth performance was assessed in weanling piglets. Twenty four barrows of 4 wk of age were assigned to one of two immunization treatments : Control group [CON: immunized with Incomplete Freund's Adjuvant (lFA)] or Immunization group [IMMU: immunized with Complete Freund's Adjuvant (CFA)]. On d0, piglets were weaned and subcutaneously immunized at the medial side of the femur with 2 ml of IFA or CFA, respectively. Energy and nitrogen balances were measured per group during 13-d balance period, and total $(HP_{tot})$, activity-related ($(HP_{act})$) and non-activity-related $(HP_{cor})$ heat production were determined every 9-min by indirect calorimetry. Ig total titers to Mycobacterium butyricum, which is present in CFA, were higher (p<0.01) in IMMU than in CON on d13 (2.5 vs 1.8) and d20 (2.9 vs 1.8) after immunization. There were no differences (p>0.10) between treatments in rectal temperature, performance, feed intake, and availability and partitioning of energy during the balance period. Average daily feed intake was numerically higher in IMMU than in CON (0.34 vs 0.32 kg/d), but there was no difference (p>0.10) in metabolizability of the dietary energy between treatments. $HP_{act}/HP_{tot}$ was 16.24 and 16.89%, and retained energy was 251 and 268 $268\;kJ{\cdot}kg^{0.75}{\cdot}d^{-1}$ for CON and IMMU, respectively. Numerically, maintenance requirement of IMMU was even lower than that of CON $(419\;vs\;427\;kJ{\cdot}kg^{0.75}{\cdot}d^{-1})$. The present study suggests that a chronic inflammation has no effect on energy metabolism and growth performance, in spite of the difference in systemic antibody responses. The reason was considered to be due to locally induced immune response, resulting from the possible encapsulation at the site of injection, and/or to a low systemic immune stress which is within a functionally acceptable physiological range for the piglets.

Temporal and Spatial Role of Pupal Stage Specific Cuticle Protein in Artogeia rapae (배추흰나비 용기 특이 큐티클 단백질의 시공간적 역할)

  • Shin, Myung-Ja;Park, Jeong-Nam;Seo, Eul-Won
    • Journal of Life Science
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    • v.17 no.2 s.82
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    • pp.223-229
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    • 2007
  • Present study aims to investigate the topical distribution of pupal stage specific cuticle protein and its temporal and spatial role during the wing formation of Artogeia rapae. ArCP27(27 kd cuticle protein) was identified as pupal stage specific cuticle protein in cuticle tissues and has not shown any qualitative differences by local portions of body. ArCP27 maintained constant concentration just after pupal ecdysis to 5-day old pupal stage but thereafter decreased. In fat body, ArCP27 was found in both thoracic and abdominal fat body from the last larval to pupal stage. In wing cuticle, ArCP27 began to find from 5-day old pupal stage. Immunologically ArCP27 in thoracic and abdominal cuticle has the response against the ArCP27 at 5-day old pupa but since then has no response. But the antibody against ArCP27 has reacted to 5- and 7-day old pupal and adult wing protein. $^3H-leucine$ was not incorporated into ArCP27 in 5- and 7-day old thoracic and abdominal cuticle but was incorporated into ArCP27 in 7-day old wing cuticle and adult wing, suggesting that ArCP27 partly participates the wing cuticle formation by the process of digestion and reabsorption of old cuticle.

PRODUCTION OF IL-6 AND IL-8 IN HUMAN FIBROBLASTS STIMULATED WITH BACTERIAL TOXINS (세균독소로 자극시킨 사람 섬유아 세포에서의 Interleukin-6와 Interleukin-8의 생성)

  • Hong, Si-Young;Kim, Uk-Kyu;Kim, Jong-Ryoul;Chung, In-Kyo;Yang, Dong-Kyu;Lee, Seong-Geun;Kim, Kwang-Hyuk
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.21 no.4
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    • pp.332-344
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    • 1999
  • Cytokines are hormone-like proteins which mediate and regulate inflammatory and immune responses. Interleukin-6 (IL-6) is involved in the final differentiation of B cells into antibody-producing cells. Interleukin-8 (IL-8) is a neutrophil chemotactic factor that plays an important role in the recruitment of neutrophil to inflammatory loci. Inflammatory mediators by cells in the gingiva have been implicated in the initiation and progression of periodontitis and oral infection. The purpose of this study was conducted to investigate the effect of lipopolysaccharide (LPS), staphylococcus enterotoxin B (SEB) on production of IL-6 and IL-8 by human gingival and facial dermal fibroblasts. Primary cultured human gingival and facial dermal fibroblasts were incubated with LPS (0.01, 0.1, $1.0{\mu}g/ml$), SEB (0.01, 0.1, $1.0{\mu}g/ml$) or LPS $(0.1{\mu}g/ml)$ plus SEB $(0.1{\mu}g/ml)$. Culture supernatants were collected at 24, 48, and 72 hrs and assessed for IL-6 and IL-8 production by enzyme-linked immunosorbent assay. IL-6 production in gingival fibroblasts stimulated with LPS was higher than that with SEB. IL-6 production by double exposure with LPS plus SEB was amplified in comparison with single exposure of LPS or SEB. IL-6 production in facial dermal fibroblasts was increased only by stimulation with a high concentration of LPS $(1.0{\mu}g/ml)$. Its production in facial dermal fibroblasts by exposure with SEB was decreased in comparison with control, nontreated cells. Therefore, gingival fibroblasts showed higher sensitivity than facial dermal fibroblasts in response to low concentration of LPS. Also, IL-6 production by double exposure with LPS plus SEB was amplified in comparison with single exposure of LPS or SEB. IL-8 production in gingival fibroblasts was enhanced greatly only by stimulation of high concentration of LPS $(1.0{\mu}g/ml)$. That by exposure with SEB was increased only in 24 hrs cultivation. IL-8 production by double exposure with LPS plus SEB was amplified in comparison with single exposure of LPS or SEB. IL-8 production in facial dermal fibroblasts was decreased by LPS and increased only in 48 hrs cultivation by SEB. IL-8 production by double exposure with LPS plus SEB was enhanced only in 48 hrs cultivation in comparison with single exposure of LPS or SEB. therefore, IL-6 and IL-8 production were released at various quantities according to bacterial toxin applied and site of fibroblast harvested. These results suggest that gingival fibroblasts may be concerned with IL-6 and IL-8 related inflammatory response more than facial dermal fibroblasts.

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