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Intrasplenic transp...
Intrasplenic transplantation of allogeneic hepatocytes prolongs survival in anhepatic rats
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Arkadopoulos, N (författare)
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- Lilja, Helene (författare)
- Uppsala universitet,Institutionen för kirurgiska vetenskaper
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Suk Suh, K (författare)
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Demetriou, AA (författare)
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Rozga, J (författare)
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(creator_code:org_t)
- Ovid Technologies (Wolters Kluwer Health), 1998
- 1998
- Engelska.
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Ingår i: Hepatology. - : Ovid Technologies (Wolters Kluwer Health). - 0270-9139 .- 1527-3350. ; 28:5, s. 1365-1370
- Relaterad länk:
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https://aasldpubs.on...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- To examine whether hepatocytes transplanted in the spleen can function as an ectopic liver, we performed hepatocyte transplantation in rats that were rendered anhepatic, Total hepatectomy was performed by using a novel single-stage technique. Following hepatectomy, Group 1 rats (n = 16) were monitored until death to determine survival time without prior intervention. Group 2 anhepatic rats (n = 20) were sacrificed at various times to measure blood hepatocyte growth factor (HGF) and transforming growth factor beta 1 (TGF-beta 1) levels. Group 3 (n = 16) rats received intrasplenic injection of isolated hepatocytes (2.5 x 10(7) cells/rat) followed by total hepatectomy after 3 days. Group 4 (n = 12) sham-transplanted rats received intrasplenic saline infusion, and after 3 days they were rendered anhepatic, Group 2, 3, and 4 rats were maintained on daily Cyclosporine A (10 mg/kg; intramuscularly). Group I anhepatic rats survived for 22.4 +/- 5.2 hours (standard deviation). The anhepatic state was associated with a progressive and statistically significant rise in blood HGF and TGF-beta 1 levels. Rats that received hepatocyte transplantation before total hepatectomy had a significantly longer survival time than sham-transplanted anhepatic controls (34.1 +/- 8.5 vs. 15.5 +/- 4.8 hrs, P < .01), Additionally, at 12 hours post-hepatectomy, transplanted rats had significantly lower blood ammonia, prothrombin time, international normalized ratio, and TGF-beta 1 levels when compared with sham-transplanted controls, In conclusion, intrasplenic transplantation of allogeneic hepatocytes prolonged survival, improved blood chemistry, and lowered blood TGF-beta 1 levels in rats rendered anhepatic.
Nyckelord
- MEDICINE
- MEDICIN
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