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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Am+J+Transplant
2012 ; 12
(12
): 3246-56
Nephropedia Template TP
gab.com Text
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English Wikipedia
Successful transplantation of reduced-sized rat alcoholic fatty livers made
possible by mobilization of host stem cells
#MMPMID22994609
Hisada M
; Ota Y
; Zhang X
; Cameron AM
; Gao B
; Montgomery RA
; Williams GM
; Sun Z
Am J Transplant
2012[Dec]; 12
(12
): 3246-56
PMID22994609
show ga
Livers from Lewis rats fed with 7% alcohol for 5 weeks were used for
transplantation. Reduced sized (50%) livers or whole livers were transplanted
into normal DA recipients, which, in this strain combination, survive
indefinitely when the donor has not been fed alcohol. However, none of the rats
survived a whole fatty liver transplant while six of seven recipients of reduced
sized alcoholic liver grafts survived long term. SDF-1 and HGF were significantly
increased in reduced size liver grafts compared to whole liver grafts.
Lineage-negative Thy-1+CXCR4+CD133+ stem cells were significantly increased in
the peripheral blood and in allografts after reduced size fatty liver
transplantation. In contrast, there were meager increases in cells reactive with
anti Thy-1, CXCR4 and CD133 in peripheral blood and allografts in whole alcoholic
liver recipients. The provision of plerixafor, a stem cell mobilizer, salvaged 5
of 10 whole fatty liver grafts. Conversely, blocking SDF-1 activity with
neutralizing antibodies diminished stem cell recruitment and four of five reduced
sized fatty liver recipients died. Thus chemokine insufficiency was associated
with transplant failure of whole grafts, which was overcome by the increased
regenerative requirements promoted by the small grafts and mediated by SDF-1
resulting in stem cell influx.