• 제목/요약/키워드: ELISA method

검색결과 595건 처리시간 0.026초

라임병에 관하여 (Lame Disease)

  • 신상원;박승철
    • 농촌의학ㆍ지역보건
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    • 제16권2호
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    • pp.172-176
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    • 1991
  • Lyme disease, or Lyme borreliosis. is an infection caused by spirohete Borrellia burgdorferi. This disease was recognized in Lyme, Conneticut U.S.A. in 1975. The onset of the disease is usually heralded by the appearance of a pathognomic skin lesion, known as erythema chronicum migrans, and accompanied by flue like or meningitis like symptoms. Unless treatment is initiated early, the disease usually disseminated, often resulting carduac, neurologic, or joint manifestations. All stages of the disease are usually curable by appropriate antibiotic therapy, and can prevent severe late cardiac, neurologic, and joint complications. Lyme disease is typically defined by clinical evidence supported by serologic test. The diagnosis require serologic confirmantion of erythema chronicum migrans, occurring in patient in nonendemic countries. Determination of antibody titer against B. burgdorferi by enzyme linked immunosorbent assay(ELISA) currently the most practical diagnostic test. Currently Lyme disease occurs in U.S.A. Europe, and Australia. It has recently recognized in China, Japan, and Soviet Union also. In United States, Lyme disease is most common vector borne infection. There is no reported case of patients with this disease in Korea. But the vector of this disease, -Ixodes ticks- had been identified in Korea. And Korea is geographically closely related to China and Japan where Lyme disease is already reported. We expect first case of Lyme disease could he reported in near future. We review the clinical manifestations and diagnostic method of Lyme disease.

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당귀(當歸)의 사람 피부아세포의 콜라게나제 활성과 프로콜라겐합성과 티로시나제 활성에 미치는 영향 (Effects of Angelica Gigantis Radix Extracts on the Collagenase Activity and Procollagen Synthesis in HS68 Human Fibroblasts and Tyrosinase Activity)

  • 이정헌;이세나;김명규;김명희;김형준;조학준;임강현
    • 대한본초학회지
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    • 제26권1호
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    • pp.29-33
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    • 2011
  • Objectives : This study was designed to investigate the collagen metabolism and tyrosinase activity of Angelicae Gigantis Radix extracts (AGR). Methods : The effect of AGR on type I procollagen production and collagenase activity in human normal fibroblasts HS68 after UVB (312 nm) irradiation was measured by ELISA method. The tyrosinase activity after treatment of AGR was measured. Results : Type I procollagen production was recovered by AGR in UVB damaged HS68 cells. The increased collagenase activity after UVB damage was significantly recovered by AGR and the tyrosinase activity was significantly reduced. However, the L-DOPA oxidation was not changed. Conclusion : AGR showed the anti-wrinkle effects and whitening effects in vitro. These results suggest that AGR may have potential as an anti-aging ingredient in cosmetic herbs.

Production and Secretion of Human Interleukin-18 in Transgenic Tobacco Cell Suspension Culture

  • Sharma, Niti;Kim, Tae-Geum;Yang, Moon-Sik
    • Biotechnology and Bioprocess Engineering:BBE
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    • 제11권2호
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    • pp.154-159
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    • 2006
  • Interleukin-18 (IL-18), otherwise known as interferon-gamma-inducing factor (IGIF), is one of several well characterized and important cytokines that contribute to host defenses. The complementary DNA (cDNA) of mature human interleukin-18 gene (hIL-18) was fused with the signal peptide of the rice amylase 1A gene (Ramy1A) and introduced into the plant expression vector under the control of a duplicated CaMV 35S promoter. The recombinant plasmid was transformed into tobacco (Nicotiana tabacum L. cv Havana) using the Agrobacterium-mediated transformation method. The integration of the hlL-18 gene into the genome of transgenic tobacco plants was confirmed by polymerase chain reaction (PCR) amplification and its expression was observed in the suspension cells that were derived from the transgenic plant callus by using Northern blot analysis. The hlL-18 protein was detected in the extracts of the transgenic callus and in the medium of the transgenic tobacco suspension culture by using immunoblot analysis. Based upon enzyme-linked immunosorbant assay (ELISA) results, the expression level of the hlL-18 protein approximated $166{\mu}g/L$ in the suspension culture medium. Bioassay results from the induction of $interferon-{\gamma}$ from a KG-1 cell line indicated that the hlL-18 secreted into the suspension culture medium was bioactive.

Anti-Helicobacter and Anti-inflammatory Effects of Sohamhyungtang in Helicobacter pylori-Infected Human Gastric Epithelial AGS cells

  • Won, SangBum;Yim, Dongsool;Choi, SungSook
    • Natural Product Sciences
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    • 제23권3호
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    • pp.175-182
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    • 2017
  • This study evaluated the anti-Helicobacter and anti-inflammatory effects of Sohamhyungtang (SHHT). The minimum inhibitory concentration (MIC) of SHHT against Helicobacter pylori (H. pylori) was determined by the agar dilution method. Expression of the H. pylori cagA gene in the presence of SHHT was determined by quantitative real-time polymerase chain reaction (qRT-PCR). Inhibition of H. pylori urease by SHHT was determined by the phenol-hypochlorite assay. Antiadhesion activity of SHHT was measured by urea-phenol red reagent. Inhibition of nitric oxide (NO) production in AGS cells was measured with Griess reagent. Inducible nitric oxide synthase (iNOS) and IL-8 mRNA expression in AGS cells which were infected with H. pylori was determined by qRT-PCR. IL-8 level was measured by enzyme-linked immunosorbent assay (ELISA). The MIC of SHHT was $100{\mu}g/mL$ and the expression of cagA gene was decreased about 25 folds in the presence of SHHT. H. pylori urease was inhibited 90% by SHHT. SHHT inhibited H. pylori adhesion on AGS cell in a concentration dependent manner. mRNA expression of iNOS and IL-8 and the production of NO and IL-8 were significantly decreased in the presence of SHHT. In conclusion, SHHT showed anti-Helicobacter activity and has potent anti-inflammatory effect on H. pylori-induced inflammation in human gastric epithelial AGS cells.

소청용탕(小靑龍湯)이 천식(喘息)이 유발된 생쥐의 면역 글로불린 분비에 미치는 영향 (Effects of Socheongryong-Tang on Immunoglobulin Production in Asthmatic Mice)

  • 정선;조수진;문경일;김형우;김부여;조수인
    • 대한본초학회지
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    • 제23권1호
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    • pp.23-28
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    • 2008
  • Objectives : Socheongryong-Tang(小靑龍湯, SCRT), a herbal remedy, has been widely used to treat respiratory disease such as cough and asthma in Oriental countries. Recent years SCRT was known as anti-allergic agent. However, its therapeutic mechanisms including immunoglobuline such as IgE, IgG1, IgG2a productions are unclear. Methods : We investigated the effects of SCRT on levels of antigen specific total antibody, IgE, IgG1, IgG2a using ELISA method in serum from allergen-induced asthma mice. Results : SCRT decreased level of antigen specific IgE significantly. And SCRT treated mice showed downward tendency of IgG1, a Th1 relative antibody, level. But, SCRT did not affect levels of antigen specific total antibody and IgG2a, a Th1 relative antibody. Conclusions : we demonstrated the strong possibility of SCRT as a complementary or alternative drug to western drug also demonstrated that regulation of Th1/Th2 imbalance may be one of mechanism contributed to treatment for respiratory disease by SCRT.

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서울시내 일개 대학병원에 내원한 가임 여성의 풍진항체 보유율 (The prevalence of rubella antibodies in the women of childbearing age)

  • 엄진원
    • 한국보건간호학회지
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    • 제13권1호
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    • pp.88-96
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    • 1999
  • This study was conducted in May of 1996 to December of 1996 in order to investigate the status of rubella antibodies in the women of childbearing age. The subjects were 543 fertile women (Ages 21-42 years). ELISA method was used for the detection of rubella antibodies and then questionaire survey was performed to know about the variables of past history of rubella. past rubella immunization. parity and cognition. The results were as follows: 1. The Positive rate of rubella Ig G antibody in total subjects was $65.0\%$. The positive rate of rubella Ig G antibody was $72.2\%$ in 21-25 age group. $71.4\%$ in 26-30 age group. $54.5\%$ in 31-35 age group, $52.6\%$ in 36-42 age group. As age increased, the positive rate of rubella Ig G antibody was decreased. There was statistically significant difference by age group(P=0.00l). In the subjects with a history of rubella immunization, the positive rate of rubella IgG antibody was $81.8\%$, and in those with past history of rubella was $83.3\%$ of positive rate. 2, Cognition rate about rubella immunization showed $50.8\%$ in total subjects. and there was no significant difference between parity and cognition rate of rubella immunization(P=0.85l). observed a low positive rate of rubella IgG antibody as compaired with other studies. Therefore, to prevent congenital rubella infection, rubella immunization was needed for unmarried women.

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NTacSam:SD 골수 세포의 증식에 100Hz PWM 저출력 광 조사가 미치는 효과 (Effect of the 100Hz PWM Low Power Light Irradiation in Proliferation of NTacSam:SD Bone-marrow Cell)

  • 천민우;김성환;이호식;박용필
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2008년도 춘계학술대회 논문집
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    • pp.10-11
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    • 2008
  • We developed the equipment palpating cell proliferation using a high brightness LED. This equipment was fabricated using a micro-controller and a high brightness LED, and designed to enable us to control light irradiation time, intensity, frequency and so on. Especially, to control the light irradiation frequency, FPGA was used, and to control the change of output value, TLC5941 was used. Control stage is divided into 30 levels by program. Consequently, the current value could be controlled by the change of level in Continue Wave(CW) and Pulse Width Modulation(PWM), and the output of a high brightness LED could be controlled stage by stage. And then, each experiment was performed to irradiation group and non-irradiation group for bone marrow cells. MIT assay method was chosen to verify the cell increase of two groups and the effect of irradiation on cell proliferation was examined by measuring 590nm transmittance of ELISA reader. As a result, the cell increase of bone marrow cells was verified in irradiation group as compared to non-irradiation group.

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청심연자탕(淸心蓮子湯)이 태음인(太陰人) 뇌경색증(腦硬塞症) 환자(患者)의 세포활성물질(細胞活性物質) 생성조절(生成調節)에 미치는 영향(影響) (Studies on the Regulatory Effect of Cytokine Production in Taumin Patients with Cerebral Infarction by Cheongsimyeonjatang)

  • 김경요;노현수
    • 사상체질의학회지
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    • 제12권2호
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    • pp.162-170
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    • 2000
  • Purpose : Studies on the Regulatory Effect of Cytokine Production in Taumin Patients with Cerebral Infarction by Cheongsimyeonjatang Method : ELISA(enzyme-linked immuno-sorbent assay) Result : Chungsimyeunjatang(CYT) is a prescription for the cerebral infarction (CI) patients of Taeumin according to Sasang constitution philosophy. Taeumin patients with CI were treated with CYT during the acute stage. Clinical signs of CI disappeared markedly in about two to four weeks after oral administration of CYT in all patients. The mean interleukin (IL)-2 plasma levels were slightly lower in the patients with CI than in the normal groups, whereas the mean IL-4, IL-6 and IgE levels were significantly higher in the patients. There were no significant differences in $interferon-{\gamma}$ $(IFN-{\gamma})$ levels between the groups. Serum $IFN-{\gamma}$ and IL-2 levels derived from T helper (Th)1 cells were elevated significantly in the patients with CI by CYT administration. Significant reduced plasma levels of IL-4 and IL-6 derived from Th2 cells and IgE were observed in the patients treated with CYT. During the period of CYT administration, there were no other adverse effects. The data indicate that CYT has a good CI treatment effect, and that its action may be due to regulation of cytokine Production.

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양격산화탕(凉膈散火湯)이 소양인(少陽人) 뇌경색증(腦硬塞症) 환자(患者)의 세포활성물질(細胞活性物質) 생성조절(生成調節)에 미치는 영향(影響) (Studies on the Regulatory Effect of Cytokine Production in Patients with Cerebral Infarction by Yangkyuksanhwatang)

  • 김경요;권덕윤
    • 사상체질의학회지
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    • 제12권2호
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    • pp.153-161
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    • 2000
  • 1. Purpose This studies the regulatory effect of cytokine production in Soyangin patients with cerebral infarction by Yangkyuksanhwatang. 2 Method ELISA 3. Result & Conclusion Yangkyuksanhwatang(YST) is a prescription for the cerebral infarction (CI) patients of Soyangin according to Sasang constitution philosophy. Soyangin patients with CI were treated with YST during the acute stage. Clinical signs of CI disappeared markedly in about 2 to 4 weeks after oral administration of YST in all patients. The mean interleukin (IL)-2 plasma levels were slightly lower in the patients with CI than in the normal groups, whereas the mean IL-4, IL-6 and IgE levels were significantly higher in the patients. There were no significant differences in interferon- ${\gamma}$ (IFN- ${\gamma}$ ) levels between the groups. Serum IFN- ${\gamma}$ and IL-2 levels derived from T helper (Th)1 cells were elevated significantly in the patients with CI by YST administration. Significant reduced plasma levels of IL-4 and IL-6 derived from Th2 cells and IgE were observed in the patients treated with YST. During the period of YST administration, there were no other adverse effects. The data indicate that YST has a good CI treatment effect, and that its action may be due to regulation of cytokine production.

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건칠이 비만세포 매개 염증반응에 미치는 영향 (The Effects of Lacca Sinica Exsiccata (LSE) on the Mast Cell-mediated Inflammatory Responses)

  • 김석산;김경준
    • 한방안이비인후피부과학회지
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    • 제22권1호
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    • pp.33-45
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    • 2009
  • Objective : Lacca Sinic: Exsiccate (LSE) extracted from Rhus vemicitlus Stokes (RVS) has been used traditionally as a remedy for inflammation in Korea, China, and Japan. However, as yet there is no clear explanation of how LSE affects the production of inflammatory cytokines. This study was to determine the effects of LSE on the mast cell-mediated inflammatory responses. Method : We measured the amount of inflammatory cytokine production induced by the phorbol myristate acetate (PMA) plus calcium ionophore(A231S7) in the human mast cell line (HMC-l) incubated with various concentrations of Laces Sinica Exsiccate (LSE). The $TNF-\alpha$, IL-6 and IL-8 secreted protein levels were measured by the ELISA assay. The $TNF-\alpha$, IL-6 and IL-8 mRNA levels were measured by the RT-PCR analysis. Nuclear and cytoplasmic proteins were examined by Western blot analysis. The NF-${\kappa}B$ promoter activity was examined by a luciferase assay. Result : LSE inhibited the PMA + A231S7-induced $TNF-\alpha$, IL-6, and IL-8 expression and suppressed NF-${\kappa}B$ activation in the stimulated-HMC-1. In addition, LSE inhibited induction of NF-${\kappa}B$ promoter-mediated luciferase activity. Conclusion : In this study, we have found that LSE is an inhibitor of NF-${\kappa}B$ and cytokines on the mast cell-mediated inflammatory responses.

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