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- Suk Suh, K (författare)
Bioartificial liver treatment in rats with fulminant hepatic failure : effect on DNA binding activity of liver-enriched and growth-associated transcription factors
- Artikel/kapitelEngelska1999
Förlag, utgivningsår, omfång ...
- Elsevier BV,1999
- printrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:uu-59095
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-59095URI
- https://doi.org/10.1006/jsre.1999.5669DOI
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- Språk:engelska
- Sammanfattning på:engelska
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- Background. We earlier described a model of fulminant hepatic failure (FHF) in the rat where partial hepatectomy is combined with induction of right liver lobe necrosis. In FHF rats, lack of regeneration of the residual liver was associated with delayed expression of HGF and HGF receptor c-met and elevated blood HGF and TGF-β1 levels. We then found that intrasplenic hepatocyte transplantation prolonged survival in FHF rats and triggered hepatocyte proliferation in the native liver. The latter effect was associated with accelerated expression of HGF and c-met mRNA in the liver and lowering of blood HGF and TGF-β1 levels. In the present study we show that in FHF rats, treatment with a bioartificial liver (BAL) had similar effects.Materials and methods. FHF was induced in inbred Lewis rats and after 4 h, Group 1 rats were subjected to a 4-h whole blood perfusion through the BAL loaded with 3 × 108 microcarrier-attached syngeneic hepatocytes, whereas Group 2 control rats were treated with the BAL containing microcarriers only.Results. Compared to sham-BAL-treated rats, the test rats lived longer (28 ± 5 vs 17 ± 2 h; P = 0.0005), had better coagulation parameters, maintained higher body core temperature, and showed decreased plasma TGF-β1 levels. In addition, their liver remnants were HGF positive and showed increased DNA binding of transcription factors engaged in the modulation of hepatocyte proliferation (e.g., STAT3) and liver-specific gene expression (e.g., HNF1, HNF4, C/EBP).Conclusions. This study demonstrates that hepatocyte-based extracorporeal support not only can provide metabolic support by increasing the available functional liver mass but also is capable of modifying humoral and molecular mechanisms which are responsible for proliferation and organ-specific functions of residual hepatocytes.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
- Lilja, HeleneLiver Support Research Laboratory, Department of Surgery, Burns and Allen Research Institute, Cedars-Sinai Medical Center, UCLA School of Medicine, Los Angeles, California, 90048,Paediatric Surgery(Swepub:uu)helelilj (författare)
- Kamohara, Y (författare)
- Eguchi, S (författare)
- Arkadopoulos, N (författare)
- Neuman, T (författare)
- Demetriou, AA (författare)
- Rozga, J (författare)
- Liver Support Research Laboratory, Department of Surgery, Burns and Allen Research Institute, Cedars-Sinai Medical Center, UCLA School of Medicine, Los Angeles, California, 90048Paediatric Surgery (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Journal of Surgical Research: Elsevier BV85:2, s. 243-2500022-48041095-8673
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- Journal of Surgical Research (Sök värdpublikationen i LIBRIS)
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- Rozga, J
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