Abstract:
BACKGROUND AIMS:Acute liver failure (ALF), a life-threatening disease characterized by the sudden loss of hepatic function, can occur after an accidental or intentional acetaminophen overdose. METHODS:With the use of an ALF mouse model, we examined both the preventive and therapeutic potential of intravenously administered human umbilical cord-derived mesenchymal stromal cells (hUCMSCs). Primary hUCMSCs were purified from freshly collected full-term umbilical cords and intravenously transplanted into BALB/c mice either before and after ALF induced by acetaminophen intoxication. We found that hUCMSCs significantly improved survival rates and relative liver weight of mice in both pre-ALF and post-ALF animals. Correspondingly, serum levels of markers that reflect hepatic injury (ie, aspartate aminotransferase, alanine aminotransferase and total bilirubin) were significantly attenuated in the group receiving hUCMSC therapy. RESULTS:Mechanistically, we found that the protective potential of intravenously administered hUCMSCs was mediated by paracrine pathways that involved antioxidants (glutathione, superoxide dismutase), the reduction of inflammatory agents (tumor necrosis factor-α, interleukin-6) and elevated serum levels of hepatocyte growth factor. CONCLUSIONS:Through these paracrine effects, intravenously administered hUCMSCs reduced hepatic necrosis/apoptosis and enhanced liver regeneration. Thus, our data demonstrate that intravenously administered hUCMSCs may be useful in the prevention or treatment of acetaminophen-induced ALF.
journal_name
Cytotherapyjournal_title
Cytotherapyauthors
Liu Z,Meng F,Li C,Zhou X,Zeng X,He Y,Mrsny RJ,Liu M,Hu X,Hu JF,Li Tdoi
10.1016/j.jcyt.2014.05.018subject
Has Abstractpub_date
2014-09-01 00:00:00pages
1207-19issue
9eissn
1465-3249issn
1477-2566pii
S1465-3249(14)00636-7journal_volume
16pub_type
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