Abstract：
:In liver transplantation (LT), organ shortage has led to the use of steatotic and non-steatotic grafts from donors after cardiocirculatory death (DCD). However, these grafts, especially those with steatosis, exhibit poor post-operative outcomes. To address this problem, we investigated the roles of gut-derived glucagon-like peptide 1 (GLP1) and dipeptidyl peptidase 4 (DPP4), the serine protease that cleaves it, in steatotic and non-steatotic LT from DCDs. Using Zucker rats, liver grafts from DCDs were cold stored and transplanted to recipients. GLP1 was administered to donors. The levels of GLP1 in intestine and of both GLP1 and DDP4 in circulation were unaltered following cardiocirculatory death (CD). In steatotic livers from DCD, increased GLP1 and decreased DPP4 were recorded, and administration of GLP1 caused a rise in hepatic GLP1 and a reduction in DDP4. This protected against inflammation, damage, and proliferation failure. Conversely, low GLP1 and high DDP4 were observed in non-steatotic livers from DCD. The exogenous GLP1 did not modify hepatic DDP4, and the accumulated GLP1 exerted harmful effects, increasing damage, inflammation, and regeneration failure. Herein, we show that there are differences in GLP1/DDP4 regulation depending on the type of liver implanted, suggesting that GLP1 can be used as a novel and effective therapy in steatotic grafts from DCDs but that it is not appropriate for non-steatotic DCDs.
journal_name
Cellsjournal_title
Cellsauthors
Avalos-de León CG,Jiménez-Castro MB,Cornide-Petronio ME,Casillas-Ramírez A,Peralta Cdoi
10.3390/cells8121599subject
Has Abstractpub_date
2019-12-09 00:00:00issue
12issn
2073-4409pii
cells8121599journal_volume
8pub_type
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