Abstract:
:The E7 transforming protein of Human Papillomavirus type 16 (HPV16) is expressed in the skin of a line of FVB mice transgenic for the E6 and E7 open reading frames of HPV16 driven from the alpha A crystallin promoter (FVB alpha AcryHPV16E6E7). We have transferred skin from FVB alpha AcryHPV16E6E7 mice to naive or E7-primed syngeneic FVB recipients to assess whether the E7 protein of HPV16 can function as a minor transplantation antigen (MTA) and promote skin graft rejection. FVB mice did not reject E7 expressing tail or flank skin grafts. E7 immunized FVB x C57BL/6J mice recipients of FVB alpha-AcryHPV16E6E7 x C57BL/6J skin generated humoral and DTH responses to E7 in vivo and E7-specific CTL precursors in the spleen, but failed to reject E7 expressing tail skin grafts by 100 days posttransfer. Thus although HPV16 E7 + ve mesenchymal and endodermal tumors can be eliminated by an E7-specific immune response, the same protein is unable to act as a MTA and promote graft rejection when expressed in skin cells. Lack of rejection of grafts expressing MTAs such as E7 may be relevant to the immunology of epithelial tumors expressing tumor-specific antigens and to our understanding of the immunology of diseases of the skin.
journal_name
Virologyjournal_title
Virologyauthors
Dunn LA,Evander M,Tindle RW,Bulloch AL,de Kluyver RL,Fernando GJ,Lambert PF,Frazer IHdoi
10.1006/viro.1997.8650subject
Has Abstractpub_date
1997-08-18 00:00:00pages
94-103issue
1eissn
0042-6822issn
1096-0341pii
S0042-6822(97)98650-5journal_volume
235pub_type
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