• Title/Summary/Keyword: Blood property

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Mitochondrial Affinity of Guanidine-rich Molecular Transporters Built on Monosaccharide Scaffolds: Stereochemistry and Lipophilicity

  • Lee, Woo-Sirl;Kim, Wan-Il;Kim, Kyong-Tai;Chung, Sung-Kee
    • Bulletin of the Korean Chemical Society
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    • v.32 no.7
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    • pp.2286-2300
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    • 2011
  • We synthesized eight G8 molecular transporters (MTs) based on 4 different monosaccharide scaffolds, and studied their biological properties with a special focus on possible mitochondrial targeting and tissue selectivity. The mitochondrial affinity of these MTs was found to be clearly related to the scaffold stereochemistry and also tenuously with the lipophilicity. It may be suggested that in the practical delivery strategy of drugs for the brain and mitochondrial diseases the BBB permeability and mitochondrial affinity should be considered as key parameters, and that an enhanced mitochondrial affinity appears possible by further research on the structure-property relationship of guanidine-rich molecular transporters.

A Prescriptional Study of Ojeoksan on Clinical Application (오적산(五積散)의 임상(臨床) 활용(活用)에 대한 방제학적(方劑學的) 고찰(考察))

  • Yun, Ji-Yeon;Yun, Young-Gab
    • Herbal Formula Science
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    • v.20 no.2
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    • pp.153-164
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    • 2012
  • Objectives : This study was intended to establish for medical treatment range of Ojeoksan and to help extending application of medical insurance through prescriptive research. Methods : We analyzed "Dongeuibogam", "Taepyeonghaeminhwajegukbang" and other books Result : 1. composition of Ojeoksan in "Dongeuibogam" is same as in "Gogeumeuigam" 2. Ojeoksan is composed of five kinds of basic prescripitions; Er Chen Tang, Ping Wei San, Ma Huang Tang, Si Wu Tang etc. and it used for five pathological factors; cold, energy, eating, phlegm, blood. 3. Property of Ojeoksan is warm so it can be used for any cold diseases. 4. Ojeoksan is used for 16 kinds of diseases including chest pain, abdominal pain etc. Conclusion : Ojeoksan can be used for cardiovascular disorders and Ojeoksan is possible to apply or to extend medical insurance coverage.

Bioavailability Study on Design of Preparations (제제설계(製劑設計)에서의 생체내(生體內) 이용솔(利用率)에 관(關)한 연구(硏究))

  • Lee, Chul-Woo
    • Journal of Pharmaceutical Investigation
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    • v.5 no.4
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    • pp.7-16
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    • 1975
  • The drug release property from the coated tablets which contain 291mg of acetylsalicylic acid were estimated from comparison of the blood level and the urinary excretions after oral ingestion of coated tablets and noncoated tablet in human. The coating materials are 2-methyl-5-vinylpyridine-methylacrylic acid copolymer(MPM), dimethyl aminoethyl methacrylate methyl methacrylate copolymer(EE), polyvinyl acetal diethyl aminoacetate(AEA), and shellac. Each of 7 subjects ingested 873mg of acetylsaliylic acid. All tablets are coated approximately $3.5{\pm}0.5%(w/w)$ per tablet with each of the coating materials and met K.P.II. standard for potency and disintegration time. The availability was decreased in the following order:MPM coated tablets>EE coated tablets>AEA coated tablets>> shellac coated tablets.

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Hematological Changes in Dogs Administrated N-Butyl Alcohol Extracts of The Korean Chinese Chives(Allium tubertosum Rottler) (부추 N-Butyl Alcohol 추출액의 투여가 개의 혈액상에 미치는 영향)

  • 이성동;김하동;박승춘;송재찬;김영홍;오태호;이근우
    • Journal of Veterinary Clinics
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    • v.20 no.1
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    • pp.110-114
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    • 2003
  • The Korean Chinese Chives(Allium tuberosum Rottler) are a perennial herb and have been used from ancient as food and medical purpose in Korea. They are known to posses diuresis, sthemia activities and used for the treatment or anemia, haematemesis, and eczema. Recently the Korean Chinese Chives have been studied on the morphologic property, the classification of origin and chemical constituent. However there has not been studied on kg) (or 6 days and observed the hematological effects in dogs. The results are as follows, 1. The red blood cell count was significantly (P < 0.05) decreased on day 2. 2. The reduced glutathion(GSH) concentration was significantly (P< 0.05) increased on day 4 and Met-hemoglobin concentration was significantly (P< 0.05) increased on 3 hrs after administration. 3. Packed cell volume(PCV) and hemoglobin concentration were not showed significant difference during experimental periods. 4. The mean corpuscular volume(MCV) was significantly(P < 0.05) increased on 3 hours after administration.

Animal Experiment of the Pneumatic Ventrivular Assist Device (공압식 심실 보조기의 동물실험)

  • Park, Seong-Sik;Kim, Sam-hyun;Seo, Pil-won;Choi, Chang-hyu;Lee, Sang-hoon;Lee, Hyuk-soo;Hwang, Seung-ok;Ahn, Hyuk
    • Journal of Chest Surgery
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    • v.32 no.12
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    • pp.1065-1077
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    • 1999
  • Background : Ventricular assist devices(VADs) are being used for patients in postcvardiotomy cardiogenic shock status bridge to cardiac transplant settings and in post-myocardial infarction cardiogenic shock. The VAD which was developed at the Deparment of medical engineering in Dankook University College of Medicine was a pneumatically driven device and can maintain pulsatile flow. The goal of this study is to develop animal experimental models using the VAD and to clarify the reliability and hemodynamic property adequacy of end organ perfusion durability and severity of thrombotic-hemolytic tendency of the device. Material and Method : The pneumatic VAD was applied to 8 adult female lambs, We examined some hemodynamic parameters such as arterial blood pressure pulmonary capillary wedge pressure(pcwp) pulmonary artery pressure(PAP) left atrial pressure hour urine output cardiac index VAD flow EKG to determine the reliability of the VAD and hemodynamic compatibility of the experimental animals within 24 hours of experiment. We also observed the end organ perfusion durability of the VAD and thrombotic-hemolytic property of the VAD after 24 hours of VAD insertion. Result: We could monitor all hemodynamic parameters including pcwp PAP cardiac index EKG, adn hour urine as true clinical settings. We observed that the reliability of the VAD was excellent and the hemodynamic property of the experimental animal and end organ perfusion were adequate within 24 hours of experiment. In four lambs surviving 24 hours after insertion the reliability of the VAD and end organ perfusion were excellent and no thrombotic-hemolytic tendency was noted. However after 15 days of experiment the diaphragm of the VAD was torn and it was recommende that the durability of the VAD should be extended. Conclusion : e conclude that the pneumatic VAD developed at Dankook University Biomedical Engineering has good hemodynamic property and low thromboembolic tendency and presents adequate end organ perfusion but we noted that the durability of the device should be expanded further. It will be possible to do more reliable experiment in the future according to the animal experimental method developed in this study especially with the heart failure models.

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Studies on Absorption Distribution and Excretion of 2-2-Methylene bis (3, 4, 6-trichlorophenoxy acetic acid) (MTPA) in Rabbits (2-2-Methylene bis (3, 4, 6-trichlorophenoxy acetic acid) (MTPA)의 체내흡수(體內吸收) 분포(分布) 및 배설(排泄)에 관(關)한 연구(硏究))

  • Kim, Chong-Suk;Pock, Joon-Hyoung;Kim, Yu-Moon;Kang, Yung-Ho
    • The Korean Journal of Pharmacology
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    • v.9 no.1
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    • pp.39-46
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    • 1973
  • It has been reported previously that 2,2-methylene bis(3,4,6-trichlorophenoxy acetic acid) (MTPA) is effective treating for clonorchiasis and less toxic to the hosts. In this studies the absorption, distribution and excretion of MTPA were observed. For this purpose $^{14}C-MTPA$ was synthesised from bis(2-hydroxy-3,5,6-trichlorophenoxyl) methan $^{14}C$ and administerd to the normal rabbit in a single dose of 10mg/kg IV or 20 mg/kg P.O. or to the Clonorchis infected rabbit in dose of 20 mg/kg/day for 6 days. Radioactivity in blood, tissue, bile, urine, feces and tissue of the fluke was measured after the drug was given. The concentration of MTPA in these samples were calcurated from the radioactivity. The result obtained as followes. 1. The increase in concentration of MTPA in blood and urine after oral administration of MTPA was so slow that the absorption of MTPA from the gastrointestinal tract appears very slow. 2. It is presumed that the excretion of MTPA also is slow because the reduction of MTPA concentration in blood after IV injection was very slow. 3. Large amount of MTPA was excreted from the bile. 4. During repeat dose of 20mg/kg/day for 6 days the concentration of MTPA in blood and tissue gradually increased. 5. The highest concentration of MTPA in the kidney and liver, heart, lung, spleen and muscle in decreasing order and the lowest concentration in the brain was noted. 6. During daily dose of 20 mg/kg of MTPA for 6 days of administration the concentration of MTPA gradually increased in urine and feces and the concentration of MTPA in feces was higher than of in urine. It appeares that MTPA take place enterophepatic circulation. 7. It is assumed that accumulation in large amount of MTPA in the liver and tissue of clonorchis, excretion of large amount from the bile is a favorable property of MTPA as a chemotherapeutic agent for clonorchiasis.

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Literature Study on the Efficacy of Fel Sus Scrofa (저담의 효능에 관한 문헌연구)

  • Lee, Byeong-Gook;Kim, Myeong-Dong
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.23 no.1
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    • pp.7-14
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    • 2009
  • Bile juice prevents deposition of cholesterol in the blood vessel, digests fat, and absorbs fatty acid and vitamins, and it plays a great role on metabolism. Recently, emotional stimulus and mentally over-depression cause a person to come to illness, and westernization of way of life makes more patients with cholelithiasis, resulting into without bile secretion after cholelithotomy. Ageing, and gastrectomy and kidney transplantation are also the causes of more cholelithiasis occurrences. To solve these medical problems, we studied how Fel Sus Scrofa, which is not different from human bile juice, was used in the traditional Korean medicine. We I researched flavor, property, efficacy of Fel Sus Scrofa and how it was used by folk medicine, and we studied the usage examples of Fel Sus Scrofa in Sanghanlon and Dongeuibogam. The property of Sus Scrofa is bitter and cold. Its efficacy is to deposit glycogen. So it is known that it has been widely used, with many edible forms, without any humoral loss, for the inflammatory disease from various fever, problems of urine and feces, cutaneous disease, pulmonary disease, opthalmopathy, fever, thirst from diabetes, hepatocystic duct disorder. Fel Sus Scrofa can be used internally and externally to prevent humoral loss, and to control cutaneous disease among various pediatric disorder full of fever. And as we have in mind that it also can be used to treat patients with cholestasis after cholecystectomy, it is expected that post study of it must be done.

An analysis of natural products patents (천연물 신약 특허 동향 분석)

  • Han, Yoo-Jin;Park, Sunju
    • Journal of Society of Preventive Korean Medicine
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    • v.20 no.2
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    • pp.77-86
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    • 2016
  • Objectives : This study aims to investigate the current situation of domestic patents in Korea on natural products and to provide directions for developing and applying herbal medicinal products by in-depth analyses. Methods : Combinations of words, such as "A61K" or "A61P", "herb" or "Korean medicinal herb" or "Korean medicine" or "traditional" or "natural" or "$botanic^*$" or "China", and "medicine" or "treatment" or "prevention" or "improvement", were used to search patents in the World Intellectual Property Service (WIPS) database. Three methods were applied to analyze natural products patents. First, the number of patent registrations was sorted by year. Second, the assignees were analyzed by count and country of origin. Finally, cluster map analysis was conducted to explore frequently emerging words in natural products and the relationship amongst those words to treat corresponding diseases/technologies. Results : Results showed that, first, the total number of patents had been increasing. Among the patents, 76.4% were registered by domestic institutes/companies, and 23.6% by foreign institutes/companies. Second, USA, Japan, and China possess a considerable number of Korean patents and, therefore, domestic institutes/companies can seek joint technological development opportunities with their counterparts from those countries in the future. Finally, a total of four clusters were identified by cluster map analysis. Each of the clusters includes natural products related to diseases involving skin, aging, and blood sugar, as well as adult diseases. Conclusions : In this study, natural products patents registered in the Korean Intellectual Property Office were analyzed. The analyses results showed the kinds of natural products that had been employed for the treatment of certain diseases. However, natural products included in existing patents were minimal given that 4,174 species of indigenous plants are found in Korea. Thus, Korean institutes/companies should utilize unexplored plants to develop more value-added drugs.

A Literatural Reserch for the Practical Use of the Balsaminaceae (봉선화과 식물의 활용을 위한 문헌적 조사)

  • Bang, Jeong Hwan;Chong, Myong Soo
    • Journal of Korean Medical Ki-Gong Academy
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    • v.13 no.1
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    • pp.77-104
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    • 2013
  • In this study we examined the concerned literature for clinical use of Balsaminaceae plants focusing on the latest literature "zhong hua ben cao"(chinese materia medica, 1998). The findings were summarized as follows: 1. As an original plant, 27 species have been reviewed. 2. As a result of investigating oriental drug names by medicinal using part, a survey reported that the total of 22 species of oriental drug names, including 14 species of herba, 3 species of flos, 4 species of radix and rhizoma, and 1 species of semen, are being used for clinical use. 3. When we examined oriental drugs with five flavors by calculating and arranging their nature, effect, toxicity with points for conveniences sake, pungent and bitte showed 13 points, respectively, as main flavors. In drug nature, warm property of drug indicated 10 points and cold property of drug obtained 6 points. But as for other oriental drug, it is thought that we can recognize their significance. 4. With respect to efficacy, activating blood drug reached 10 kinds and wind- damp-dispelling 7 kinds, according to the examination. 5. In the examination on components and medicinal action, we examined that components are recorded in only impatiens balsamina's whole grass, flowers, root, root stems, and seeds, and Impatiens noli-tangere's whole grass. In medical action, we found out that the components are recorded in impatiens balsamina' flowers and seeds; impatiens noli-tangere's whole grass and flowers; and Impatiens textori' whole grass. 6. As a result of examining clinical prescription, the total of 84 kinds of clinical prescriptions by disease nature were examined, of which the prescription of Impatiens balsamina showed 19 cases in total, which was remarkable.

Brief review of cancer treatment focused on JIJU(積聚) (적취(積聚)를 위주로 한 종양(腫瘍)의 치법(治法)에 관한 소고(小考))

  • Park, Jae-Hyun;Moon, Goo
    • Journal of Korean Traditional Oncology
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    • v.13 no.1
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    • pp.1-11
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    • 2008
  • Objectives: To grasp the traditional stream of cancer treatment inherited from the previous doctors. Methods: The author's research has been performed cancer treatment based on JIJU(積聚) taking the original text as a reference. Results & Conclusion: The general three outlines and five detailed rules of cancer treatment have been obtained as follows. The first outline of cancer treatment is that reinforced vital function makes cancer reduce naturally. the second is that Harmless cancer can coexist in human beings and aging with them. and the third is that Elimination and reinforcing therapies should be executed in appropriate era and those therapies should utilize appropriate methods. The first detailed rule of cancer treatment is when using reinforcing therapy, it must applicate mildly and when using elimination therapy, it must applicate calmly. The second detailed rule is that the methods of cancer treatment are different from each cancer stage. The concentration should be made on reinforcing therapy at early stage while reinforcing and elimination therapies must be conducted together at middle stage. At terminal stage reinforcing therapy is the sole method to be taken. The third detailed rule is that the basis property of cancer drug is warm nature and extremely biased property should be avoided and when complication arises (eg. inflamatory disease, cancer fever, etc), cold or cool nature can be applied. The fourth detailed rule is that Cancer drug must have the effect eliminating the blood stasis, phlegm and excessive fluid, all together. The fifth detailed rule is that Physicians have to control patient's stress or stress related symptom and teach patients about right way of taking care of themselves and patients should take hygienic rules with their free will by themselves (eg diet, exercise, stress, etc)

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