Warm HTK donor pretreatment reduces liver injury during static cold storage in experimental rat liver transplantation.
Hepatobiliary Pancreat Dis Int
; 14(6): 596-602, 2015 Dec.
Article
em En
| MEDLINE
| ID: mdl-26663007
ABSTRACT
BACKGROUND:
Organ shortage has led to an increased number of transplantations from extended criteria donors. These organs are more vulnerable to ischemia-reperfusion injury. Thus, improvement of organ preservation is needed. HTK is a widely used preservation solution for static cold storage in liver transplantation. The present study was to investigate the beneficial effect of warm HTK donor pretreatment on liver preservation.METHODS:
Male inbred Wistar rats (weighing 230-260 g) served as donors and recipients (n=6/group). Donors of treatment groups received i.v. 0.01 mL/g body weight (BW) warm (21 degree centigrade) HTK systemically 15 minutes prior to cold perfusion. Control groups received 0.01 mL/g BW warm (21 degree centigrade) NaCl 0.9%. Following pretreatment, donors were flushed with 4 degree centigrade cold HTK, livers were explanted and stored in 4 degree centigrade HTK for six hours. Thereafter orthotopic liver transplantation was performed. Recipients were harvested four hours, two and five days after reperfusion and blood and liver tissue samples were obtained. Blood samples were analyzed for AST, ALT, lactate dehydrogenase and bilirubin. Liver histological analysis as well as tissue analysis for pro-MMP2, MMP2 and pro-MMP9 using zymography was conducted.RESULTS:
Treatment groups showed significantly lower ALT and lactate dehydrogenase levels as well as significantly lower activities of pro-MMP2, MMP2 and pro-MMP9. Histological analysis revealed only minor damage in all groups.CONCLUSIONS:
The new concept of warm HTK pretreatment significantly reduced ischemia-reperfusion injury. The reduced ischemia-reperfusion injury was due to MMP inhibition. Warm HTK donor pretreatment is easy to handle and could further improve HTK's potency in liver preservation.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Preservação de Órgãos
/
Temperatura
/
Traumatismo por Reperfusão
/
Transplante de Fígado
/
Soluções para Preservação de Órgãos
/
Isquemia Fria
/
Hepatectomia
/
Fígado
Tipo de estudo:
Etiology_studies
Limite:
Animals
Idioma:
En
Ano de publicação:
2015
Tipo de documento:
Article