Abstract:
:A long-lasting skin tolerance to non-H-2 alloantigens has been reported to be readily induced, when the recipient mice were primed intravenously (i.v.) with 5 x 10(7) spleen cells (SC) plus 1.5 x 10(7) bone marrow cells (BMC) from the H-2 identical strains of mice, and treated intraperitoneally (i.p.) with 200 mg/kg CP 2 days later. The present study was conducted in order to clarify whether or not tolerance induction to non-H-2 alloantigens in cyclophosphamide (CP)-induced tolerance is restricted by H-2 alloantigens on donor cells. When BALB/c (BALB; H-2d) female mice were primed i.v. with fully allogeneic [H-2 plus minor histocompatibility (H) antigen-disparate C57BL/10 (B10; H-2b) female SC plus BMC and treated i.p. with CP 2 days later, the survival of H-2 identical B10.D2 nSnSlc (B10.D2; H-2d) female skin was moderately prolonged, but the survival of fully allogeneic B10 female skin was not. When semiallogeneic (B10 x B10.D2) (H-2bxd) female cells or H-2 identical B10.D2 female cells were used as the tolerogen, the survival of B10.D2 female skin was prolonged moderately or permanently, respectively. There was no significant difference between the prolongations of B10.D2 female skin graft survival in the BALB mice treated with the B10 cells followed by CP, and the (B10 x B10.D2) cells followed by CP. Similar results were observed in H-Y antigen-disparate combinations. These results strongly suggest that tolerance induction to non-H-2 alloantigens is not restricted by the products of donor MHC in CP-induced tolerance.
journal_name
Immunobiologyjournal_title
Immunobiologyauthors
Tomita Y,Nomoto Kdoi
10.1016/S0171-2985(11)80511-5subject
Has Abstractpub_date
1990-11-01 00:00:00pages
430-7issue
4-5eissn
0171-2985issn
1878-3279pii
S0171-2985(11)80511-5journal_volume
181pub_type
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