pubmed-article:1680931 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:1680931 | lifeskim:mentions | umls-concept:C0023005 | lld:lifeskim |
pubmed-article:1680931 | lifeskim:mentions | umls-concept:C0037286 | lld:lifeskim |
pubmed-article:1680931 | lifeskim:mentions | umls-concept:C1622501 | lld:lifeskim |
pubmed-article:1680931 | lifeskim:mentions | umls-concept:C1182670 | lld:lifeskim |
pubmed-article:1680931 | lifeskim:mentions | umls-concept:C0020964 | lld:lifeskim |
pubmed-article:1680931 | lifeskim:mentions | umls-concept:C0445356 | lld:lifeskim |
pubmed-article:1680931 | pubmed:issue | 5 | lld:pubmed |
pubmed-article:1680931 | pubmed:dateCreated | 1991-11-15 | lld:pubmed |
pubmed-article:1680931 | pubmed:abstractText | There has been much speculation as to the role of Langerhans cells (LC) in the induction of anti-tumor immunity. Whereas there is considerable circumstantial evidence that disruptions in the density and function of these cells during the early stages of ultraviolet (UV) light- and chemical carcinogen-induced carcinogenesis may be important for enabling developing neoplasms to escape immune destruction, the role of the large number of these cells found infiltrating developed skin tumors is less clear. To investigate this we have compared the LC density infiltrating transplanted non-immunogenic and immunogenic UV-induced murine tumors as well as LC in the epidermis overlying the tumors. Whereas two non-immunogenic tumor lines attracted large numbers of Ia+ dendritic cells, an immunogenic tumor line did not. Similar results were obtained whether the tumors were transplanted into syngeneic immunocompetent or athymic immunodeficient mice. Hence, there was no relationship between tumor immunogenicity or host immunocompetence and Ia+ dendritic cell density. Furthermore, there was no correlation with the pattern of T-cell infiltration of the tumors or CD4/CD8 cell ratio. Our results also indicate that whereas UV light decreased Ia+ cell density, both in the epidermis and the tumors, it did not inhibit the tumors from attracting Ia+ dendritic cells. Thus, the Ia+ dendritic cells infiltrating skin tumors are unlikely to indicate a host immune response to the tumor, but are more likely to be attracted by tumor-derived cytokines. | lld:pubmed |
pubmed-article:1680931 | pubmed:language | eng | lld:pubmed |
pubmed-article:1680931 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:1680931 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:1680931 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:1680931 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:1680931 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:1680931 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:1680931 | pubmed:month | Nov | lld:pubmed |
pubmed-article:1680931 | pubmed:issn | 0022-202X | lld:pubmed |
pubmed-article:1680931 | pubmed:author | pubmed-author:BarnetsonR... | lld:pubmed |
pubmed-article:1680931 | pubmed:author | pubmed-author:HallidayG MGM | lld:pubmed |
pubmed-article:1680931 | pubmed:author | pubmed-author:ReeveV EVE | lld:pubmed |
pubmed-article:1680931 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:1680931 | pubmed:volume | 97 | lld:pubmed |
pubmed-article:1680931 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:1680931 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:1680931 | pubmed:pagination | 830-4 | lld:pubmed |
pubmed-article:1680931 | pubmed:dateRevised | 2006-11-15 | lld:pubmed |
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pubmed-article:1680931 | pubmed:year | 1991 | lld:pubmed |
pubmed-article:1680931 | pubmed:articleTitle | Langerhans cell migration into ultraviolet light-induced squamous skin tumors is unrelated to anti-tumor immunity. | lld:pubmed |
pubmed-article:1680931 | pubmed:affiliation | Department of Dermatology, University of Sydney, New South Wales, Australia. | lld:pubmed |
pubmed-article:1680931 | pubmed:publicationType | Journal Article | lld:pubmed |
pubmed-article:1680931 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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