Mechanisms of loss of HLA class I expression on colorectal tumor cells.
For several years this laboratory has studied the expression of HLA class I on established colorectal tumor cell lines and on fresh tumors. We review here the mechanisms by which colorectal tumor cells may lose surface expression of HLA class I molecules. Several independent mechanisms have been ide...
| Main Authors: | , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
1996
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| _version_ | 1797106357840642048 |
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| author | Browning, M Petronzelli, F Bicknell, D Krausa, P Rowan, A Tonks, S Murray, N Bodmer, J Bodmer, W |
| author_facet | Browning, M Petronzelli, F Bicknell, D Krausa, P Rowan, A Tonks, S Murray, N Bodmer, J Bodmer, W |
| author_sort | Browning, M |
| collection | OXFORD |
| description | For several years this laboratory has studied the expression of HLA class I on established colorectal tumor cell lines and on fresh tumors. We review here the mechanisms by which colorectal tumor cells may lose surface expression of HLA class I molecules. Several independent mechanisms have been identified, including loss or mutations in beta 2-microglobulin genes, loss of HLA heavy chain genes, selective lack of expression of HLA alleles, and regulatory defects in HLA expression including loss of expression of the peptide transporters associated with antigen processing (TAP). The data suggest that colorectal tumor cells may evade tumor specific, HLA restricted immune attack by loss of HLA class I expression through a number of mechanisms. |
| first_indexed | 2024-03-07T07:00:27Z |
| format | Journal article |
| id | oxford-uuid:ff909fd3-d9f8-4a2b-a479-b57774b9e15e |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T07:00:27Z |
| publishDate | 1996 |
| record_format | dspace |
| spelling | oxford-uuid:ff909fd3-d9f8-4a2b-a479-b57774b9e15e2022-03-27T13:45:53ZMechanisms of loss of HLA class I expression on colorectal tumor cells.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ff909fd3-d9f8-4a2b-a479-b57774b9e15eEnglishSymplectic Elements at Oxford1996Browning, MPetronzelli, FBicknell, DKrausa, PRowan, ATonks, SMurray, NBodmer, JBodmer, WFor several years this laboratory has studied the expression of HLA class I on established colorectal tumor cell lines and on fresh tumors. We review here the mechanisms by which colorectal tumor cells may lose surface expression of HLA class I molecules. Several independent mechanisms have been identified, including loss or mutations in beta 2-microglobulin genes, loss of HLA heavy chain genes, selective lack of expression of HLA alleles, and regulatory defects in HLA expression including loss of expression of the peptide transporters associated with antigen processing (TAP). The data suggest that colorectal tumor cells may evade tumor specific, HLA restricted immune attack by loss of HLA class I expression through a number of mechanisms. |
| spellingShingle | Browning, M Petronzelli, F Bicknell, D Krausa, P Rowan, A Tonks, S Murray, N Bodmer, J Bodmer, W Mechanisms of loss of HLA class I expression on colorectal tumor cells. |
| title | Mechanisms of loss of HLA class I expression on colorectal tumor cells. |
| title_full | Mechanisms of loss of HLA class I expression on colorectal tumor cells. |
| title_fullStr | Mechanisms of loss of HLA class I expression on colorectal tumor cells. |
| title_full_unstemmed | Mechanisms of loss of HLA class I expression on colorectal tumor cells. |
| title_short | Mechanisms of loss of HLA class I expression on colorectal tumor cells. |
| title_sort | mechanisms of loss of hla class i expression on colorectal tumor cells |
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