Abstract：
:The metastasizing MDAY-D2 tumor of DBA/2 mice disseminates in BALB/c allogeneic athymic nude (nu/nu) mice in a manner identical to that observed in the syngeneic host. Both the kinetics and organ distribution pattern of metastases from s.c. implants of MDAY-D2 are routinely predictable at any given tumor dose. BALB/c heterozygote (nu/+) litter-mates reject MDAY-D2 grafts on the basis of the multiple minor histocompatibility differences that exist between DBA/2 and BALB/c mice. The in vitro cell-mediated cytotoxic response detected in tumor-bearing BALB/c nu/+ mice is "low grade" (isotope release is approximately 40 to 50% by 24-hr 111-indium-8-hydroxyquinoline assay and approximately 6 to 8% by 6-hr 51Cr assay) and yet correlates directly with tumor rejection. BALB/c nu/nu mice can be protected against MDAY-D2 by previous reconstitution with lymphoid cells from normal or MDAY-D2-sensitized BALB/c nu/+ mice. In addition, surgically documented, established visceral metastases in BALB/c nu/nu mice can be arrested and regressed by the adoptive transfer of MDAY-D2-sensitized BALB/c nu/+ spleen cells. This represents one of the few models where established metastases have been immunotherapeutically regressed. As such, the MDAY-D2 BALB/c nu/nu mouse model offers unique advantages for studying the role of the immune system in regulating the metastatic process.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Wiltrout RH,Frost P,Morrison MK,Kerbel RSsubject
Has Abstractpub_date
1979-10-01 00:00:00pages
4034-41issue
10eissn
0008-5472issn
1538-7445journal_volume
39pub_type
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