• Title/Summary/Keyword: Disease research

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Interpretation of tube agglutination test for bovine brucellosis with turbidimetric readings and international unit

  • Cho, Dong-Hee;Nam, Hyang-Mi;Kim, Jong-Wan;Heo, Eun-Jeong;Cho, Yun-Sang;Hwang, In-Yeong;Kim, Jae-Myung;Kim, Jong-Man;Jung, Suk-Chan
    • Korean Journal of Veterinary Service
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    • v.30 no.2
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    • pp.243-249
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    • 2007
  • The tube agglutination test has been used for bovine brucellosis diagnosis in Korea since middle 1950s. The reported high specificity was its value in eradication program. However, the reading of reaction mostly depends on personal experience, thus here we report a way to improve accuracy and uniformity of reading. The tube agglutination was conducted according to the protocol provided by Korean Ministry of Agriculture and Forestry. The intensity of reaction was measured by spectrophotometer. The relationship between turbidity and percentage clearing was generally in direct proportion and linear. The correspondent percent transmittance at 75, 50, and 25% clearing were 91, 82, and 73, respectively. Then, the degree of percentage of clearing at given international unit was measured. With about 1.5 unit of serum, the maximum percentage clearing was observed. The international unit showing 25, 50, and 75 percentage clearing were 0.61, 0.83 and 1.35, respectively. Based on the information obtained using international standard serum, the calculation of international unit of test serum was available. According to the protocol for bovine brucellosis diagnosis which provided by Korean Ministry of Agriculture and Forestry, the available range of detectable international unit was between 15 and 538. And the corresponding international units for suspicious case ranged between 42 and 127. Of the 35 sera from B abortus infected cattle, about half of them had more than 538 international units. Collectively, the reading of turbidity using spectrophotometer and application to international unit improved accuracy and uniformity of reading.

Alzheimer Disease Diagnosis using Magnetic Bead (자기 비드를 이용한 알츠하이머병 조기 진단 방법에 대한 연구)

  • Chae, Cheol-Joo;Cho, Jung-Min;Kang, Jae-Min;Kim, Kwan-Su;Song, Ki-Bong
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2010.06a
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    • pp.219-219
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    • 2010
  • In a past, the method in which it used the fluorescent material or it analyzes a gene was used in order to detect the Alzheimer's disease. However, in this paper, the magnetic bead is used in order to detect the Alzheimer's disease. The 'magnetic bead used in this paper is able to make the amyloid-beta and the selective binding known as cause of the Alzheimer's disease.

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Primary Cellular Study of Phagocytosis for Alzheimer Disease Diagnosis (알츠하이머 조기 진단을 위한 변형된 대식세포의 기초적 연구)

  • Cho, Jung-Min;Chae, Cheol-Joo;Kang, Jae-Min;Kim, Kwan-Su;Song, Ki-Bong
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2010.06a
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    • pp.280-280
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    • 2010
  • Alzheimer disease is a progressive neurodegenerative disease of the aged, characterized by memory loss and dementia. For diagnosis of Alzheimer disease we have simply modified macrophage with amyloid beta bonded with different molecules. Modified Macrophage was observed with microscope for co-localization of amyloid beta molecule. For this experiment we used fluoroscene labeling substances. The macrophage was modified also with cell staining method. For cell staining method was used avidin-biotin reaction principles. All experiments were carried out on poly-L-lysine coated and sterilized glass substrates. In the presentation we will show the further investigations and applications with modified macrophage.

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A Practical Technology for Diagnosis and Management of Diseases in Silkworm Rearing

  • Nataraju, B.;Balavenkatasubbaiah, M.;Sharma, S.D.;Selvakumar, T.;Thiagarajan, V.
    • International Journal of Industrial Entomology and Biomaterials
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    • v.4 no.2
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    • pp.169-173
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    • 2002
  • A practical technology for silkworm disease management at farmer\\`s level was suggested and test verified for its efficacy and adaptability. The technology consisted of disinfection of rearing house and appliances, early disease diagnosis, personal and rearing hygiene and silkworm body and rearing seat disinfection. Besides, the supportive techniques associated in disease management are cited. The validation trials of the technology involving 845 farmers crops with 147,530 disease free layings (dfls) of CSR bivoltine hybrids confirmed the effectiveness of the technology which resulted an average yield of 68.98 kg cocoons/100 dfls.

Conservation of matrix protein genes in rabies viruses circulating in South Korea since 1999

  • Lee, Young-Ae;Kim, Ha-Hyun;Yang, Dong-Kun;Cho, In-Soo
    • Korean Journal of Veterinary Research
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    • v.57 no.4
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    • pp.249-252
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    • 2017
  • Rabies virus (RABV) causes a neurological disease in warm-blooded animals that is nearly always fatal. In this study, we analyzed the matrix (M) genes in 10 Korean street RABV strains isolated from two Provinces during 2011-2013. The M genes in these 10 Korean strains were highly conserved during 1999-2013. Phylogenetic analysis revealed they were closely related to the M genes of RABVs isolated in northeastern China. Specific amino acid substitutions were identified in the KRVB1206, KRVF1301, and BV9901PJ strains. However, functional domains, including those involved in virus production and pathogenicity, were conserved in all 10 strains.

Sasang Constitutional Medicine and Incurable Disease (사상의학(四象醫學)과 난치성질환(難治性疾患))

  • Park, Gae-Su;Song, Il-Byung
    • Journal of Sasang Constitutional Medicine
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    • v.14 no.3
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    • pp.1-6
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    • 2002
  • 1.Objects of Research This research is purposed to find methods of treatment on serious diseases, through summarizing etiology, classification and treatment on serious diseases proposed in Sasang constitutional medicine 2.Methods of Research It was researched as bibliologically with Dong-mu's chief medical writings such as ${\ulcorner}$Dongyi Soose Bowon(東醫壽世保元)${\lrcorner}$, ${\ulcorner}$Dongyi Soose Bowon Sasang Chobongyun(東醫壽世保元四象草本卷)${\lrcorner}$ 3.Results and Conclusions 1. The principle of treatment in the previous medicine is to treat each disease by 'Assisting-Good Qi' and 'Removig-Bad Qi'. but The principle of treatment in Sasang Constitutional medicine is to manage incurable disease by helping 'Essential Qi of each constitution(體質正氣)' 2. Incurable disease is classified into a chronic disease by 'Nature(性氣)' and a acute disease by 'Emotion(情慾)'. Both diseases became serious through 'Noi-Ok(牢獄)' and 'Wi-Gyoung(危傾)'. A chronic disease is much in the middle years of life and become senile disease. A acute disease is much in the young years of life and make patients die young. 3. prognoses of incurable disease are different from degree of Inherent vitality(命脈實數) and term of disease. The case in which Inherent vitality is exhausted is thought that is unable to treat. 4. The prevention of incurable disease Is more important the treatment of one in Sasang Constitutional Medicine. but if incurable disease is caught, Medicine(醫藥) and management(調養) must be used together for treatment of incurable disease. Medicine is more important in the level of 'Noi-Ok(牢獄)' and management is more important in the level of 'Wi-Gyoung(危傾)'. 5. Therefore, incurable disease should be treated by method that 'Essential Qi of each constitution(體質正氣)' is recovered and declination is removed through 'controlling mind(治心) and correcting Qi(正氣), so then the state of 'Golden mean(中庸)' is reached.

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The antioxidant activities of Korean Red Ginseng (Panax ginseng) and ginsenosides: A systemic review through in vivo and clinical trials

  • Park, Soo Kyung;Hyun, Sun Hee;In, Gyo;Park, Chae-Kyu;Kwak, Yi-Seong;Jang, Young-Jin;Kim, Bumseok;Kim, Jong-Hoon;Han, Chang-Kyun
    • Journal of Ginseng Research
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    • v.45 no.1
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    • pp.41-47
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    • 2021
  • A wide range of studies have steadily pointed out the relation of oxidative stress to the primary and secondary causes of human disease and aging. As such, there have been multiple misconceptions about oxidative stress. Most of reactive oxygen species (ROS) generated from chronic diseases cause oxidative damage to cell membrane lipids and proteins. ROS production is increased by abnormal stimulation inside and outside in the body, and even though ROS are generated in cells in response to abnormal metabolic processes such as disease, it does not mean that they directly contribute to the pathogenesis of a disease. Therefore, the focus of treatment should not be on ROS production itself but on the prevention and treatment of diseases linked to ROS production, including types 1 and 2 diabetes, cancer, heart disease, schizophrenia, Parkinson's disease, and Alzheimer's disease. In this regard, Korean Red Ginseng (KRG) has been traditionally utilized to help prevent and treat diseases such as diabetes, cancer, inflammation, nervous system diseases, cardiovascular disease, and hyperlipidemia. Therefore, this review was intended to summarize in vivo animal and human clinical studies on the antioxidant activities of KRG and its components, ginsenosides.

Cognitive improvement by ginseng in Alzheimer's disease

  • Lee, Soon-Tae;Chu, Kon;Kim, Jeong-Min;Park, Hyun-Jeong;Kim, Man-Ho
    • Journal of Ginseng Research
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    • v.31 no.1
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    • pp.51-53
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    • 2007
  • Ginseng shows protective and trophic effects in neurodegenerative diseases in experimental models, and showed cognitive improvement in normal population. To investigate the efficacy of ginseng in patients with Alzheimer's disease, patients, who met NINDS-ADRDA criteria for AD were studied Subjects were randomly assigned to ginseng group and control group, and ginseng group was treated with Korean white ginseng powder (4.5 g/day) for 12 weeks. Efficacy variables included changes in mini-mental status exam (MMSE) and cognitive subscales of Alzheimer's disease assessment scale (ADAS-cog) at 4 weeks and 12 weeks. Baseline MMSE and ADAS scores showed no difference between the two groups. Results showed that ginseng improved ADAS-cog compared to the control group at 12 weeks (p<0.05). MMSE was also increased by ginseng treatment compared to the control at 12 weeks (p<0.01). This study suggests the symptomatic efficacy of ginseng in patients with Alzheimer's disease.

Software development for assessing cellular heterogeneity and its clinical application in gadoxetic acid-enhanced MRI of hepatocellular carcinoma (세포 이질성 평가 소프트웨어 개발과 가도세틱산 조영증강 자기공명영상을 이용한 간세포암종 환자에의 적용)

  • Kim, Tae-Hoon;Ryu, Jong-Hyun;Jeong, Chang-Won;Jun, Hong Young;Heo, Dong-Woon;Kang, Sung-Chan;Kim, Dae Won;Yoon, Kwon-Ha
    • Proceedings of the Korea Information Processing Society Conference
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    • 2015.10a
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    • pp.1446-1447
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    • 2015
  • In this paper, we developed the quantification software for evaluating the voxel-based cellular heterogeneity of gadoxetic acid-enhanced magnetic resonance imaging (MRI) in the liver. Our software is clinically applied to accurately quantify and interpret the alterations of liver functions in patients with hepatocellular carcinoma.

Immunological relationships of FMD vaccine strain and Asia1 field isolate from East Asia (동아시아 유래 구제역바이러스 Asia1혈청형과 백신항원의 면역학적 상관성)

  • Park, Jong-Hyeon;Ko, Young-Joon;Kim, Su-Mi;Lee, Hyang-Sim;Lee, Kwang-Nyeong;Cho, In-Soo
    • Korean Journal of Veterinary Research
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    • v.49 no.3
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    • pp.221-229
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    • 2009
  • Foot-and-mouth disease (FMD) is the most contagious disease of mammals. The use of inactivated vaccine can be chosen to prevent or control FMD. However, vaccination against one serotype of FMDV doses not cross-protect against other serotypes and may not protect fully against some strains of the same serotype. Appropriate selection of vaccine strain is an important element in the control of FMD. The immunity of vaccine antigens should be matched against newly circulating viruses. The phylogenetic analysis of serotype Asia1 reported from China, Mongolia, North Korea and Russia since 2005 shows that they are all classified into genetic group V, but the strain, Asia1/Shamir (ISR/89) which have been used as a vaccine strain in Korea, is clustered into different genetic group. So, in this study the serological relationship between the isolate (Asia1/MOG/05; MOG) and the Shamir strain was determined by ELISA and virus neutralization test. Even though the matching value of the virus (MOG) against the vaccinated sera in target animals was not so high, the vaccinated animals elicited antibodies enough for protection after vaccinated once or twice. Conclusively, we suggest that the vaccine containing Asia1/Shamir antigen could protect the genetic group V strains circulating in East Asia currently if vaccinated twice or the more.