RGD Reference Report - De novo induction of endothelial L-selectin ligands during kidney allograft rejection. - Rat Genome Database

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De novo induction of endothelial L-selectin ligands during kidney allograft rejection.

Authors: Kirveskari, J  Paavonen, T  Hayry, P  Renkonen, R 
Citation: Kirveskari J, etal., J Am Soc Nephrol. 2000 Dec;11(12):2358-65.
RGD ID: 7175511
Pubmed: PMID:11095659   (View Abstract at PubMed)

Acute kidney allograft rejection is characterized by a lymphocyte infiltration. L-selectin on lymphocytes and its endothelial glycosylated ligands are instrumental in the initiation of lymphocyte extravasation to sites of inflammation. From more than 500 core biopsy specimens taken from kidneys after transplantation, 250 biopsies were graded to have signs of acute rejection. Of these, 52 biopsies with various grades of histologic signs of acute rejection were selected for the study. Controls were 15 biopsies taken within 30 min after revascularization and 10 specimens from well-functioning allografts showing no clinical or histologic evidence of rejection. Immunochemical stainings with monoclonal antibodies against functionally active decorated L-selectin ligands. i.e., sialyl-Lewis x (sLex, 2F3 and HECA-452) or sulfated lactosamine (MECA-79) were performed. Although no endothelial 2F3 and MECA-79 epitopes were detected in nonrejecting control specimens, the expression was induced at the onset and during acute allograft rejections. The level of expression (in semi-quantitative score) of 2F3 reactivity correlated with the severity of rejection (P<0.0001, grade I versus grade IIB), and the level of expression decreased as the rejection resolved. Kidney biopsies taken shortly after revascularization and thus undergoing reperfusion injury showed endothelial staining with another anti sLex antibody, HECA-452. This staining disappeared from well-functioning grafts and reappeared at the onset of an acute allograft rejection. These results suggest that expression of functionally active, properly glycosylated L-selectin ligands might have a role in reperfusion injury and in the initiation of acute rejections after human kidney allograft transplantation.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
Transplant Rejection  IEP 7175511 RGD 
Transplant Rejection  ISOSELL (Homo sapiens)7175511; 7175511 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Sell  (selectin L)

Genes (Mus musculus)
Sell  (selectin, lymphocyte)

Genes (Homo sapiens)
SELL  (selectin L)


Additional Information