Abstract:
:When normal mice are exposed for short periods to ultraviolet light (UV), they support the progressive growth of transplanted syngeneic UV-induced tumors. Normal nonirradiated mice almost always reject these tumor implants. The UV-mediated suppression of the antitumor response can be adoptively transferred to normal syngeneic mice with lymphoid cells derived from short-term UV-irradiated donors. Transfer of the suppressive effect is dosage dependent and also appears to require the presence of viable T lymphocytes. Suppressive activity was observed in both the spleen and thymus of UV-irradiated donors. In the preceding paper we have established that UV irradiation does not cause a general depression of testable immune functions. Collectively these data suggest that short-term UV irradiation of mice leads to an increase in suppressor cell activity, thereby causing an inhibition in the host's ability to respond to an antigenic UV-induced tumor. The possible role of this phenomenon in the mechanism of UV carcinogenesis is discussed.
journal_name
Transplantationjournal_title
Transplantationauthors
Spellman CW,Daynes RAdoi
10.1097/00007890-197708000-00005subject
Has Abstractpub_date
1977-08-01 00:00:00pages
120-6issue
2eissn
0041-1337issn
1534-6080journal_volume
24pub_type
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