Abstract:
:N-acetyl-seryl-aspartyl-lysyl-proline (AcSDKP) is an endogenous peptide released from its precursor (thymosin-β4) by prolyl oligopeptidase. AcSDKP is a natural inhibitor of pluripotent hematopoietic stem cell proliferation and is normally found in human plasma. AcSDKP has been shown to be a potent angiogenic factor and to suppress renal fibroblast proliferation. Impairment of renal function has been suggested to have a significant impact on plasma AcSDKP level. The aim of this study was to assess whether improvement of renal function after kidney transplantation has an impact on plasma AcSDKP-like immunoreactive substance (IS) level. Fourteen patients with end stage renal disease (ESRD) who were scheduled to undergo the first kidney allograft transplantation were enrolled. Plasma AcSDKP-IS levels were measured before and 3, 7, 10, 14, 21, 30, 60 and 90 d after kidney transplantation. Plasma AcSDKP-IS level decreased significantly from day 3 after kidney transplantation compared to before kidney transplantation. Creatinine clearance increased significantly from day 7 after kidney transplantation. A significant negative correlation was observed between creatinine clearance and plasma AcSDKP-IS level from before transplantation to 90 d after kidney transplantation. Stepwise multiple regression analysis identified creatinine clearance as the only significant independent factor associated with plasma AcSDKP-IS levels. These results suggest that recovery of kidney function after kidney transplantation may lead to a decrease in plasma AcSDKP level in patients with ESRD, and that plasma AcSDKP level may depend largely on renal function.
journal_name
Biol Pharm Bulljournal_title
Biological & pharmaceutical bulletinauthors
Suzuki Y,Katagiri F,Sato F,Fujioka K,Sato Y,Fujioka T,Sato Y,Mimata H,Itoh Hdoi
10.1248/bpb.b13-00992subject
Has Abstractpub_date
2014-01-01 00:00:00pages
1075-9issue
6eissn
0918-6158issn
1347-5215pii
DN/JST.JSTAGE/bpb/b13-00992journal_volume
37pub_type
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