Abstract:
:BALB/c mice made tolerant to A/J alloantigens by neonatal injection of (A/J x BALB/c)F1 spleen cells develop a host-versus-graft (HVG) disease due to the activation of donor B cells by a subset of host alloreactive helper T cells. We have investigated the effects of a single neonatal injection of the 145-2C11 anti-mouse CD3 monoclonal antibody (MoAb) on the establishment of allotolerance and on the development of the immunopathological features of HVG disease. First, this treatment did not modify the specific anti-donor cytotoxic T lymphocyte (CTL) unresponsiveness or the persistence of circulating immunoglobulins bearing donor allotype. Second, the hyper IgE, the hyper IgG1 and the increased expression of Ia antigens on B cells found in untreated HVG mice were not observed after injection of the 145-2C11 MoAb. Likewise, treated mice displayed lower levels of anti-DNA IgG antibodies and less glomerular immune deposits as compared with untreated HVG mice. We conclude that the administration of the anti-CD3 MoAb did not interfere with the induction of allotolerance but exerts a pronounced inhibitory effect on the associated immunopathological syndrome.
journal_name
Clin Exp Immunoljournal_title
Clinical and experimental immunologyauthors
Wissing M,Marchant A,Moser M,Flamand V,Leo O,Abramowicz D,Urbain J,Goldman Mdoi
10.1111/j.1365-2249.1991.tb05638.xsubject
Has Abstractpub_date
1991-02-01 00:00:00pages
333-7issue
2eissn
0009-9104issn
1365-2249journal_volume
83pub_type
杂志文章abstract::Dipeptidyl peptidase IV (DPIV), a T cell enzyme, has been implicated in the regulation of lymphocyte proliferation in response to lectins and allogeneic cells. A sensitive fluorimetric assay has been established for the enzyme and used to investigate DPIV activity, kinetics and the subcellular localization in lymphocy...
journal_title:Clinical and experimental immunology
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