Dendritic cell density and activation status in human breast cancer - CD1a, CMRF-44, CMRF-56 and CD-83 expression
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(Published version)
Date
2002
Authors
Coventry, B.
Lee, P.
Gibbs, D.
Hart, D.
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Journal article
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British Journal of Cancer, 2002; 86(4):546-551
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B.J. Coventry, P.-L. Lee, D. Gibbs and D.N.J. Hart
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Abstract
Low CD1a-positive putative dendritic celt numbers in human breast cancer has recently been described and may explain the apparent 'poor immunogenicity' previously reported in breast cancer. Little attention has been given to dendritic cell activation within the tumour microenvironment, which is another reason why the in-situ immune response may be severely deficient. We have therefore examined CD1a expression as a marker for dendritic cells, together with CMRF-44 and -56 as markers of dendritic cell activation status, in 40 human breast cancers. The results demonstrate few or no CD1a-positive putative dendritic cells and minimal or no expression of the dendritic celt activation markers. Both dendritic cell number and dendritic cell activation appear substantially deficient in human breast cancers, regardless of turnout histological grade.
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© Churchill Livingstone