• Title/Summary/Keyword: antifibrotic

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Dose-dependent Antifibrotic Effect of Polysaccharide from Mycelium of Ganoderma Lucidum on Liver Biliary Cirrhosis in Rats (담도결찰 흰쥐에서 영지배양 균사체 유래 다당체의 항섬유화 효과 검색 및 용량의존성시험)

  • Park, Eun-Jeon;Ko, Geon-Il;Kim, Jae-Baek;Sohn, Dong-Hwan
    • YAKHAK HOEJI
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    • v.41 no.2
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    • pp.220-224
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    • 1997
  • This study was carried out to investigate the dose dependent antifibrotic effects of polysaccharide from mycelium of Ganoderma lucidum. The experimental hepatic cirrhosis was induced by bile duct ligation/scission (BDL/S) in rats. BDL/S rats in each group were dosed 0.5 mg, 2.0 mg, 5.0 mg or 10.O mg/rat/day orally for 4 weeks after the operation. Antifibrotic effects were evaluated by serum biochemical values, hydroxyproline contents, and light microscopical histology. The results obtained were as follows: 1) Hydroxyproline contents in liver of 5.0 and 10.0mg polysaccharide-treated BDL/S rats were significantly reduced 2) In serum test, ALT, AST, ALP values in polysaccharide from Ganoderma lucidum-treated group were lower than BDL/S control group 3) The hepatic damage such as hepatocellular necrosis, inflammation, bile duct proliferation and fibrosis was less severe in the livers of 2.0 mg and 5.0 mg polysaccharide-treated rats. These results suggest that polysaccharide from mycelium of Ganoderma lucidum to be a promising agent for the inhibition of hepatic cirrhosis.

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Antifibrotic Activity of Manassantin B from Saururus chinensis in HSC-T6 Hepatic Stellate Cells

  • Lee, Mi-Kyeong;Yang, Hye-kyung;Yang, Eun-Sun;Kim, Young-Choong;Sung, Sang-Hyun
    • Natural Product Sciences
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    • v.14 no.2
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    • pp.118-121
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    • 2008
  • Manassantin B, a dilignan isolated from Saururus chinensis, significantly inhibited proliferation in HSC-T6 cells in concentration- and time-dependent manners. In addition, treatment of HSC-T6 cells with manassantin B changed cell morphology from flattened myofibroblastic membranous morphology, representing activation state, to slender shape, representing quiescent state. Furthermore, manassantin B effectively reduced collagen content in HSC-T6 cells. These results suggested that manassantin B exerted antifibrotic activity in HSCT6 cells, in part, via inhibition of cell proliferation and decrease of collagen production.

Antiproliferative Phenolics from Eclipta prostrata in the Activated Hepatic Stellate Cells

  • Jeong, Eun Ju;Lee, Mi Kyeong;Kim, Young Choong;Sung, Sang Hyun
    • Natural Product Sciences
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    • v.19 no.3
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    • pp.231-235
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    • 2013
  • Activity-guided isolation to search for antifibrotic compounds from natural products using HSC-T6 cells afforded nine flavonoids or phenolics, luteolin (1), 3'-O-methylorobol (2), acactin 7-rutinoside (3), sedelolactone (4), 4-methoxyphenol (5), 4-hydroxyaldehyde (6), 4-hydoxyaldehyde (7), 4-hydroxy-3-methoxybenzoic acid (8), and ferulic acid (9) from the methanolic extract of aerial parts of Eclipta prostrata L.. Among the isolated compounds, luteolin (1) significantly inhibited the proliferation of HSCs in dose- and time-dependent manners. Antifibrotic activity of E. prostrata and its phenolic compounds might provide potential therapeutical choice in the treatment of hepatic fibrosis.

Dose-dependent antifibrotic effect of G009 on experimental hepatic cirrhosis

  • Park, Eun-Jeon;Kim, Su-Ung;Lee, Seung-Yong;Kim, Jaebaek;Sohn, Dong-Hwan
    • Proceedings of the Korean Society of Applied Pharmacology
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    • 1995.04a
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    • pp.110-110
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    • 1995
  • This study was carried out to investigate the dose dependent antifibrotic effects of G009, the water-soluble fraction of polysaccharide extracted from Ganoderma lucidum. The experimental hepatic cirrhosis was induced by bile duct ligation/scission (BDL/S) in rats. BDL/S rats in each group were dosed 0.5, 2, 5 or 10mg/rat/day orally for 4 weeks after the operation. Antifibrotic effects were evaluated by serum biochemical values, hydroxyproline contents, and light microscopical histology.

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Antifibrotic and Antioxidative Effect of Solanum lycopersicum in Liver fibrosis(Cirrhosis) induced Rats

  • Kim, Ki-Young;Oh, Se-Mi;Kim, Jin-Sook;Somasundaram, Rajan;Ruehl, Martin;Matthes, Burkhard
    • Proceedings of the PSK Conference
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    • 2003.10b
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    • pp.86.2-87
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    • 2003
  • Introduction: Liver fibrosis is defined unbalance of collagen metabolism, especially a stimulation of collagen synthesis and inhibition of collagen degradation, and antifibrotic effect is delaying or inhibition of new collagen synthesis and deposition in liver tissue. In this study, we investigated the antifibrotic and antioxidative effect of Solanum lycopersicum (SL) in liver fibrosis induced rats. Methods: : Rats were randomly divided in three groups (normal, CCl$_4$ and CCl$_4$-SL group) and were received 0.6 ml mixture of CCl$_4$ and olived oil (1:1 v/v) 3 times/week for 4 weeks except of the normal group. (omitted)

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The Antifibrotic Effects of Polysaccharides Extracted from Garnoderma lucidum on the Experimental Hepatic Cirrhosis (영지로부터 추출한 다당체의 실험적 간경화에 대한 섬유화 억제효과)

  • Park, Eun-Jeon;Kim, Ki-Young;Kim, Jae-Baek;Kim, Soo-Woong;Lee, Seung-Yong;Sohn, Dong-Hwan
    • YAKHAK HOEJI
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    • v.38 no.3
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    • pp.338-344
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    • 1994
  • This study was carried out to investigate the antifibrotic effects of polysaccharides extracted from Garnoderma lucidum. The biliary cirrhosis was induced by bile duct ligation/scission (BDL/S) in rats. BDL/S rats were dosed 5 mg/rat/day orally for 4 weeks after the operation. Antifibrotic effects were evaluated by serum biochemical values, serum procollagen type III peptide (PIIINP) levels, liver hydroxyproline contents, and light microscopical histology. The results obtained were as follows; 1) PIIINP levels in sera of treated BDL/S group were lowered to 50% of those of untreated BDL/S group. 2) Hydroxyproline contents in the liver of treated BDL/S group were also reduced to 83% of those of untreated BDL/S rats. 3) The hepatic damage such as hepatocellular necrosis, inflammation, bile duct proliferation and fibrosis was less severe in the livers of treated rats. These results suggest polysaccharides extracted from Garnoderma lucidum to be a promising agent for the inhibition of hepatic cirrhosis(fibrosis).

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Antifibrotic Effects of Oriental Herbs Extraction on Liver Cirrhosis (한약재(자하거, 백출, 차전자) 추출물의 간경화 억제효능에 관한 연구)

  • Yu, Byung-Soo;Lee, Jong-Hyung;Cho, Syung-Eun;Baek, Seung-Hwa
    • YAKHAK HOEJI
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    • v.51 no.1
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    • pp.7-12
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    • 2007
  • Hepatic cirrhosis is an important feature of chronic liver disease. Liver cirrhosis is characterized by hyperaccumulation of fibrous tissue components and is commonly observed in latter or terminal states of chronic hepatic disease. The antifibrotic effects on liver cirrhosis by oriental herbs extraction material were examined in bile duct ligated rats. Oriental herbs extraction (0.99 mg/kg rat weight/day) was administrated to cirrohotic rats for 4 weeks. Liver collagen content of bile duct ligated rats was significantly increased. And liver histology showed collagen fiber deposition was increased as well as the normal architecture was lost with large zone of necrosis being observed. Herbs extraction administrated rats showed significantly decreased liver collagen content, accumulation of collagen fiber in histological analysis, and biochemical markers of hepatic diseases. Those results demonstrate the usefulness of herbs extraction materials as an antifibrotic agent for liver cirrhosis.

The Screening of Antioxidant and Antifibrotic Effect from Water Extracts of Herbs(LH) in Biliary Liver Fibrosis (Cirrhosis) Induced Rsts (간섬유화(경화)를 유도한 실험동물에서 생약 추출물(LH)의 항산화와 항섬유화 효과 검색)

  • 임진아;김기영
    • YAKHAK HOEJI
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    • v.46 no.2
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    • pp.129-136
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    • 2002
  • The pathogenesis of cholestatic liver injury as well as the modulation of hepatic fibrogenesis is causally associated with involvement of reactive oxygen species (ROS) and free radical reactions. In this study, we investigated whether dried extracts of oriental medicine (LH) have antioxidant and antifibrotic effect under the biliary liver fibrosis (cirrhosis) c ondition. The female Sprague-Dawley rats were divided in six groups (Normal, N-LH, op-2, op-4, opLH-2, opLH-4) and were observed in 2 weeks or 4 weeks. For this purpose the rats were operated by bile duct ligation/scission (BDL/S), which induced to liver fibrosis and cirrhosis. After surgery, the prepared LH was administered p.o. 2 mι/day/rat in 2 weeks or 4 weeks for opLH groups. During the observation period, jaundices appeared in eyes, ears and tail of all BDL/S operated rats. And at the time of sacrifice, cholestasis was observed in proximal bile duct, especially the color of bile juice and urine in opLH-4 group showed more clear than op-2, op-4 and opLH-2 group. The value of clinical parameters and product of lipid peroxidation (MDA) in sera and the hydroxyproline (hyp) content in liver tissue were significantly increased in all liver fibrosis (cirrhosis) developed rats (p<0.001~0.05). Among the clinical parameters of sera, value of BUN, ALP in opLH-4 group showed significantly lower than in op-4 group (p<0.05, p<0.001). The content of hyp in opLH-2, opLH-4 group (478.0 $\pm$ 134.3 $\mu\textrm{g}$/g 897.5 $\pm$ 118.2 $\mu\textrm{g}$/g) showed lower than in op-2, op-4 group (528.9 $\pm$ 220.7 $\mu\textrm{g}$/g, 1023.8 $\pm$ 277.1 $\mu\textrm{g}$/g) and then the value of MDA in opLH-4 was also significantly reduced to 59.4% of that in op-4 group (p<0.001). The histological change (bile duct proliferation, fibrosis, collagen bundle) was similarly observed in op-2 group and in opLH-2 group, but the weak fibrosis and bile duct proliferation were observed in opLH-4 group compared with in op-4 group. Our data indicate that the 4 weeks treatment with LH extract suppressed lipid peroxidation and inhibited fibrotic (cirrhosis) process, and experimental cholestatic liver disease is associated with increased lipid peroxidation in BDL/S operated rats. Hence we concluded that the measurement of MDA and hyp can be useful monitor for the screening of antioxidant and antifibrotic effect in experimental liver fibrosis (cirrhosis), and LH has been shown to have hepatoprotective effect, antifibrotic effect and antioxidant effect.

The Studies on Search of Antifibrotic Effect by Several Herbs Extract in Rat Liver Tissue (수종(數種)의 한약재(韓藥材) 전탕액(煎湯液)이 동물 간조직내 항섬유효능검색에 관한 실험적 연구)

  • Seo Dong-Jin;Lee Chun-Woo;Kim Hong-Gi;Lee Ki-Nam
    • Journal of Society of Preventive Korean Medicine
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    • v.5 no.1
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    • pp.116-133
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    • 2001
  • Antifibrotic drugs could be delayed or inhibited massive collagen deposition in liver tissue or inhibited collagen synthesis. we investigated antifibrotic effects by several herbs(Schisnadra chinensis, Ganoderma japonicum, Sedum sarmentosum, Alisma canaliculatum, Plantago asiatica) extract with observations of collagen accumulation in liver tissue and collagen synthesis in sera. Rats were used for experimental animal that were devided 3 groups(sham control, BDL/S, BDL/S-ER). Rats were operated for inducing liver fibrosis(cirrhosis) by bile duct obstruction. Several herbs were prepared by water extraction and were applicated p. o. $3ml/day$ during 4 weeks. After observation period, rats were sacrificed and liver tissue and sera were collected. In result, the mortality of rats was 35% in BDL/S group and 20% in BDL/S-ER The color of bile juice in BDL/S-ER was bright yellow and murky yellow in BDL/S group. The significantly lower weight of liver($16.21g{\pm}5.3,\;20.58{\pm}2.4$) and spleen($1.96g{\pm}0.96,\;3.93{\pm}0.21$) were shown in BDL/S-ER than that of BDL/S(p<0.05) group. The value of collagen in liver tissue(25.7%) in BDL/S-ER was observed significantly lower than that of BDL/S group (Tab. 2). AST. ALT, ALP, t-bilirubin, BUN levels were low in BDL/S-ER as compared with those of BDL/S group, but the significance was not proven. The trichrome stained liver tissue in BDL/S-ER group was observed mild bile duct proliferation and fibrosis compared with BDL/S group. In conclusion, natural products inhibited new collagen synthesis and delayed massive collagen deposition in liver tissue, so that they have noticeable antifibrotic effects in experimental liver fibrosis(cirrhosis).

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The Screening of Hepatic Functional Improvement. Liver Protection and Antifibrotic Effect from Dried Extracts of Concha Cipangopaludinae

  • Kim, Hee-Seok;Bae, Heung-Mo;Kim, Eun-Sook;Kim, Jin-Sook;Kim, Ki-Young
    • Proceedings of the PSK Conference
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    • 2002.10a
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    • pp.286.2-286.2
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    • 2002
  • Oxidative stress and its consequent lipid peroxidation exert harmful effects, which have been currently involved in the generation of carbon tetrachloride(CC14)-induced fibrosis(cirrhosis). In this study, it was investigated whether dried extract of 田螺(Concha Cipangopaludinae: CC) is liver functional improvement, antioxidative and antifibrotic effect under the liver fibrotic(cirrhotic) condition by CC14 administration. The female Sprague-Dawley rats were divided into 3 groups(Normal, AC, AC-CC), and were observed for 3 weeks. (omitted)

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