About: Epigallocatechin Gallate Does Not Accelerate the Early Phase of Liver Regeneration After Partial Hepatectomy in Rats     Goto   Sponge   NotDistinct   Permalink

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  • Background: Two-thirds partial hepatectomy (PHx) is an established model for the study of liver regeneration after resection. This process is accompanied by oxidative stress. Aims: In our study, we tested the effect of epigallocatechin gallate (EGCG), a green tea antioxidant, on the early phase of liver regeneration after PHx. Methods: Male Wistar rats were divided into 5 groups: I) laparotomy + water for injections intraperitoneally, II) laparotomy + EGCG 50 mg/kg body weight, III) PHx + water for injections, IV) PHx + EGCG 20 mg/kg, V) PHx + EGCG 50 mg/kg, during 3 consecutive days. The rats were sacrificed 24 hours after surgery. Biochemical analysis of rat sera was performed. Histological samples were stained with hematoxyline-eosine and bromodeoxyuridine (BrdU). In hepatectomized rats, we also measured plasma malondialdehyde, tissue malondialdehyde, glutathione and cytokines levels, the activity of caspases 3/7, expression of genes Nqo-1 and HO-1 at mRNA level, expression of genes p21, p-p27 and p-p53 at the protein level. Results: We observed lower accumulation of BrdU in group V when compared to groups III and IV. The activity of caspases 3/7 and expression of the p-p53 were lower in group V than in groups III and IV. Tissue levels of IL-6 were lower in group V when compared to group III. Significant differences were not noted in other parameters. Conclusions: Administration of EGCG did not stimulate early phase of liver regeneration in rats after PHx. There was even lower DNA synthesis in group treated with high dose of EGCG.
  • Background: Two-thirds partial hepatectomy (PHx) is an established model for the study of liver regeneration after resection. This process is accompanied by oxidative stress. Aims: In our study, we tested the effect of epigallocatechin gallate (EGCG), a green tea antioxidant, on the early phase of liver regeneration after PHx. Methods: Male Wistar rats were divided into 5 groups: I) laparotomy + water for injections intraperitoneally, II) laparotomy + EGCG 50 mg/kg body weight, III) PHx + water for injections, IV) PHx + EGCG 20 mg/kg, V) PHx + EGCG 50 mg/kg, during 3 consecutive days. The rats were sacrificed 24 hours after surgery. Biochemical analysis of rat sera was performed. Histological samples were stained with hematoxyline-eosine and bromodeoxyuridine (BrdU). In hepatectomized rats, we also measured plasma malondialdehyde, tissue malondialdehyde, glutathione and cytokines levels, the activity of caspases 3/7, expression of genes Nqo-1 and HO-1 at mRNA level, expression of genes p21, p-p27 and p-p53 at the protein level. Results: We observed lower accumulation of BrdU in group V when compared to groups III and IV. The activity of caspases 3/7 and expression of the p-p53 were lower in group V than in groups III and IV. Tissue levels of IL-6 were lower in group V when compared to group III. Significant differences were not noted in other parameters. Conclusions: Administration of EGCG did not stimulate early phase of liver regeneration in rats after PHx. There was even lower DNA synthesis in group treated with high dose of EGCG. (en)
Title
  • Epigallocatechin Gallate Does Not Accelerate the Early Phase of Liver Regeneration After Partial Hepatectomy in Rats
  • Epigallocatechin Gallate Does Not Accelerate the Early Phase of Liver Regeneration After Partial Hepatectomy in Rats (en)
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  • Epigallocatechin Gallate Does Not Accelerate the Early Phase of Liver Regeneration After Partial Hepatectomy in Rats
  • Epigallocatechin Gallate Does Not Accelerate the Early Phase of Liver Regeneration After Partial Hepatectomy in Rats (en)
skos:notation
  • RIV/00216208:11150/14:10210604!RIV15-MSM-11150___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, S
http://linked.open...iv/cisloPeriodika
  • 5
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 14852
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11150/14:10210604
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Oxidative stress; Liver regeneration; Hepatectomy; Epigallocatechin gallate; Antioxidants (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [7F0556EC22AE]
http://linked.open...i/riv/nazevZdroje
  • Digestive Diseases and Sciences
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 59
http://linked.open...iv/tvurceVysledku
  • Kučera, Otto
  • Červinková, Zuzana
  • Moravcová, Alena
  • Mezera, Vojtěch
  • Peterová, Eva
http://linked.open...ain/vavai/riv/wos
  • 000334748000015
issn
  • 0163-2116
number of pages
http://bibframe.org/vocab/doi
  • 10.1007/s10620-013-2966-5
http://localhost/t...ganizacniJednotka
  • 11150
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