• Title/Summary/Keyword: Low-density Lipoprotein

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Clinical Effect of Cupping Therapy on Cerebral Infarction Patients with Hyperlipidemia (뇌경색환자의 고지혈증에 대한 부항요법의 임상적 효과)

  • Park, Hoi-Jin;Hwang, Kyu-Sun;Park, Hyun-Ae;Lee, Chang-Hee;Park, Hyun-Ho;Song, Soo-Cheol;Jeon, Seong-Ha
    • Journal of Acupuncture Research
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    • v.25 no.4
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    • pp.41-49
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    • 2008
  • Objectives : This study was aimed at examining significant curative effects of Cupping therapy on Cerebral infarction patients with hyperlipidemia. Methods : The subjects in this study were fifty-two patients visited or admitted to Dong-seo Oriental Hospital who broke out with Cerebral infarction from March 2007 through February 2008, with high total cholesterol(240mg/$d\ell$ above) or high triglyceride(200mg/$d\ell$ above) or low density lipoprotein(160mg/$d\ell$ above) Before prescription, they were tested for total cholesterol, triglyceride, low density lipoprotein with fasting and were then rescribed the cupping therapy for 4 weeks(take an average ten times), after which they were retested for total cholesterol, triglyceride, low density lipoprotein. Results : 1. In the high total cholesterol group(triglyceride and low density lipoprotein are normal), statistical significance of total cholesterol changes was recognized before and after the treatment. 2. In the high triglyceride group(total cholesterol and low density lipoprotein are normal), statistical significance of triglyceride changes was recognized before and after the treatment. 3. In the high low density lipoprotein group(total cholesterol and triglyceride are normal), statistical significance of triglyceride changes was recognized before and after the treatment. 4. In the high total cholesterol and high triglyceride group(low density lipoprotein is normal), statistical significance of total cholesterol changes was recognized before and after the treatment. But, triglyceride changes was not that. 5. In the high total cholesterol and high low density lipoprotein group(triglyceride is normal), statistical significance of total cholesterol and low density lipoprotein changes were recognized before and after the treatment. 6. In the high triglyceride and high low density lipoprotein group(total cholesterol is normal), statistical significance of triglyceride changes was recognized before and after the treatment. But, low density lipoprotein changes was not that. 7. In the high total cholesterol and high triglyceride and high low density lipoprotein group, statistical significance of total cholesterol changes and low density lipoprotein changes were recognized before and after the treatment. But, triglyceride changes was not that. Conclusions : Cupping therapy decreased total cholesterol in whole hyperlipidemia group including high total cholesterol.

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Antioxidative Effect of Silmarin Purified from Silybum Marianum on Modificaion of Human Low Density Lipoprotein (엉겅퀴에서 분리 정제한 Silymarin의 사람 Low Density Lipoprotein에 대한 항산화 효과)

  • 류병호;이백천;진성현;조경자;김동석
    • Journal of Food Hygiene and Safety
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    • v.12 no.1
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    • pp.1-8
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    • 1997
  • This study was performed to evaluate the antioxidant activity of silymarin against human low density lipoproteins(LDL) oxidation. Silymarin extracted from Silybum marianum was successively purified with solvent fractionation and followed by silica gel column chromatography. The active substances were separated by HPLC and the isolated active substances, silymarin were identified by IR, NMR, GC-MS as silymarin. Silymarin inhibited at the 5 $\mu$M Cu2+-mediated oxidation of human low density lipoprotein (LDL) in a dose dependent manner. Silymarin completely inhibited LDL oxidation at 50 $\mu\textrm{g}$/$m\ell$ concentration. These findings suggest that silymarin may protect LDL against oxidation in atherosclerotic lessions.

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Antioxidative Effect of Silybin Purified from Silybum marianum on modification of Human Low Density Lipoprotein (엉겅퀴에서 분리정제한 silybin의 Human Low Density Lipoprotein 수식에 대한 항산화 효과)

  • Ryu, Beung-Ho;Kim, Hee-Suck;Lee, Baek-Cheon;Lee, Hong-Su
    • Journal of Life Science
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    • v.8 no.4
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    • pp.353-359
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    • 1998
  • This study was initiated to antioxidant activity of silybin on oxidation of human low density lipoproteins(LDL). Siltbin was extracted from Silybum marianum by the combination of fractionation and it was futher purified by silica gel column chromatography, and isolated active substances were identified silybin by IR, NMR and GC-MS. siltbin inhibited the ozidation of human low density lipoprotein(LDL) mediated by 5$^{\mu}$m CU $^{2+}$ ion in a dose dependent manner. LDL oxidation by congugated dines formation was completely inhibited by silybin at a concentration of 5$^{\mu}$M. The results provide a possibility that silybin might protect LDL against oxidation in atherosclerotic lessions.

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The Effects of Cirsium japonicum on Lipid Profile in Ovariectomized Rats

  • Kwon, Hyeok-Yi;Rhyu, Mee-Ra;Lee, Young-Joo
    • Biomolecules & Therapeutics
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    • v.16 no.3
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    • pp.293-298
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    • 2008
  • Cirsium japonicum water extracts has been used to treat vascular related diseases. We have previously reported that Cirsium japonicum extracts activated estrogen receptors. It is widely known that estrogen increases the high density lipoprotein cholesterol and decrease the low density lipoprotein cholesterol on the lipid profile. But effects of Cirsium japonicum on lipid profile are not reported yet. Therefore, we have studied the effects of Cirsium japonicum on the lipid content in ovariectomized rats. Thirty Sprague-Dawley (SD) rats of $210{\pm}20\;g$ were studied for 10 weeks. The rats were divided into five groups; (I) sham, no ovariectomized rats plus olive oil, (II) ovariectomized rats plus olive oil, (III) ovariectomized rats plus 0.5 mg/kg $17{\beta}$-estradiol (E2) in olive oil, (IV) ovariectomized rats plus 0.5 mg/kg Cirsium japonicum in olive oil, and (V) ovariectomized rats plus 5 mg/kg Cirsium japonicum in olive oil. Treatment with Cirsium japonicum or E2 induced significant reduction in total cholesterol, low density lipoprotein cholesterol/total cholesterol, total cholesterol/high density lipoprotein cholesterol and low density lipoprotein cholesterol/high density lipoprotein cholesterol compared to control group as well as increase in uterine weight. However, changes in triglycerides levels were different. Our results suggest that Cirsium japonicum is functionally similar to E2 in vivo as well as in vitro.

Screening of Antioxidative Compounds toward Human Low Density Lipoprotein (LDL) from Useful Plants (유용식물로부터 Human Low Density Lipoprotein(LDL)에 대한 항산화제의 탐색)

  • 임복규;류병호
    • The Korean Journal of Food And Nutrition
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    • v.17 no.2
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    • pp.138-146
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    • 2004
  • This study was designed to investigate antioxidative activity of substances isolated from 25 kinds of useful plants resources toward free radical and human low density lipoprotein(LDL). Methanol extracts of Oenothers odorate had the highest antioxidative activity similar with ${\alpha}$-tocopherol. Methanol extracts of Oenothers odorate was extracted again by the ethylacetate. The ethylacetate soluble acidic fraction obtained from methanol extract of Oenothers odorate showed highest activity toward human LDL. Each fraction was purified through Sepadex LH-20 chromatography by elution of chloroform-methanol mixture (90:10 v/v). Fraction, F-2 obtained from Oenothers odorate showed at highest levels of electron donating activity. Fraction, F-2 was identified as 3,4-dihydroxybenzoic acid and 3-hydroxycinnamic acid.

Discovery of Antioxidant on Human Low Density Lipoprotein (LDL) by Bacillus sp. RH-5 Isolated from Marine Origin (해양에서 분리한 Bacillus sp. RH-5에 의한 사람 Low Density Lipoprotein(LDL) 산화에 대한 항산화제의 개발)

  • 류병호;박종옥;김동석
    • Journal of Life Science
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    • v.9 no.1
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    • pp.99-105
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    • 1999
  • The aims of this studies were carried out to investigate the antioxidant activity on low density lipoprotein(LDL) using substances extracted from Bacillus sp. RH-5. The antioxidative substances produced extracellular in the culture broth by Bacillius sp. RH-S was obtained by elution of chloroform : methanol from silicagel column (80cm x100cm) chromatography. Band 4 eluted from fraction 3 by TLC was appeared at highest level of antioxidative activity using thiocyanate methed. Band 4 at a concentration of 100 or 200$\mu$g/$m\ell$ inhibited oxidation of LDL induced by the mouse transformed macrophage. According to IR. NMR or GC/MASS, the antioxidant substance was identified as 5-hydroxyindole.

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Effects of Human Plasma Lipid Transfer Protein on the Distribution of Lipids Between Lipoprotein Fractions of Rat Plasma (인체의 혈장에서 분리한 지질전이단백질이 흰쥐의 혈장 Lipoprotein 의 지질분포에 미치는 영향)

  • 최영선
    • Journal of Nutrition and Health
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    • v.19 no.5
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    • pp.296-303
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    • 1986
  • Rat lipoprotein-deficient plasma possessed a lipid tramsfer inhibitory activity when it was added to purified human plasma lipid transfer protien, while it lacked a lipid transfer activity. Incubation of whole rat plasma with partially purified human lipid transfer protein resulted in big changes in lipid distribution of rat plasma lipoproteins. There w was a 4-fold increase in cholesteryl ester(CE) and 4 47 % reduction in triglyceride(TG) in very low density lipoproteins after 2싹lour incubation. In high density lipoprotein $2(HDL_2)$ there was a 9­fold increase in TG and 33 % reduction in CEo HDL3 had 82 % reduction in CE. The result indi­c cates that the absence of the lipid transfer activity in rat plasma can be ascribed not to the inability of rat lipoproteins to serve as substrates but to the lack of 야Ie lipid transfer protein in rat plasma. Th­e erefore, species differences in lipid transfer betwe­e en lipoproteins should be taken into consideration to interpret results of studies on lipoprotein m.eta­b bolism using rats.

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Screening of Antioxidants to Human Low Density Lipoprotein (LDL) from Marine Resources (수산자원으로부터 Human Low Density Lipoprotein (LDL)에 대한 항산화제의 탐색)

  • 류병호
    • Journal of Food Hygiene and Safety
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    • v.14 no.2
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    • pp.153-159
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    • 1999
  • This study was undertaken to evaluate antioxidative activities of substances isolated from marine resources against human low density lipoprotein (LDL). Methanol-water extract(80 : 20, v/v) of Sargassum ringgoldianum had the highest antioxidant activity and the active substance was purified by silica gel column chromatography by eluting chlorform : methanol mixture (80 : 20 v/v). The active fraction was seperated to several spots on the TLC in chlorofrom : methanol (10 : 1, v/v) mixture. Antioxidative activity of band 4 of fraction 2 on TLC was highest than that of $\alpha$-tocopherol against human LDL oxidation by the method of thiobarbituric acid reactive substance (TBARS). The band 4 of fraction 2 inhibited the copper mediated oxidation of human LDL with almost completely at 1 or 2 mg/ml.

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Antioxidant Activity of Aspergillus oryzae A-5 on Oxidation of Low Density Lipoprotein (Aspergillus oryzae A-5로부터 Low Density Lipoprotein(LDL)의 산화에 대한 항산화 효과)

  • Ryu, Beung-Ho;Kim, Dong-Suck;Cho, Kyung-Ja;Lee, Hong-Su;Jin, Sung-Hyun
    • Journal of Life Science
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    • v.7 no.4
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    • pp.289-296
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    • 1997
  • Antioxidative activity of fraction extracted from cultivation of Aspergillus sp. A-5 against oxidation of human low density lipoprotein(LDL) was investigated. Fractions of Aspergillus sp. A-5 cultivation was sucessively purified with ethyl acetate and silica gel column chromatography. The concentration of fraction 4 inhibited Cu$^{2+}$-induced oxidation of LDL almost completely. Band 3 isolated by the further purification of fraction 4 was higher than that of same concentration of $\alpha$-tocopherol, BHA and BHT. The elcetrophoretic mobility of oxidized LDL by addition of Band 3 was faster than that of native LDL, but slower than that of oxidzed LDL. It is concluded that fraction of Aspergillus cultivation contained antioxidants with the capacity to inhibit oxidative modification of LDL.

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