Reactivities of the monoclonal antibodies (mAbs) of the 9th Human Leukocyte Differentiation Antigen Workshop, in order to define specific antigenic expression of the primary cutaneous B-cell lymphomas (PC-BCL), were analyzed by immunohistology on human tonsil and on PC-BCL, such as follicular centre B-cell lymphomas (FCL), marginal zone lymphomas (MZL) and diffuse large B-cells lymphomas leg-type (DLBL-LT). We identified some subgroups of mAbs that were exclusively or preferentially positive in one lymphoma cell type: the PC-FCL subgroup of mAbs includes PD1/CD279, GCET-1, hFCRL1/CD307a, FCRL2/CD307b, CXCR5/CD185, B7-DC/CD273, MRC/CD200, CD130, CXCR4/CD184, Siglec-5/14, CD150, on the other hand subgroup of mAbs in PC-MZL includes BTLA/CD272, BLIMP-1, hCD38. No specific subgroup of mAbs was found to label PC-DLBCL. This study may be useful to better define specific antigen profile of different PC-BCL entities leading to a correct diagnosis.
New monoclonal antibodies against B-cell antigens: possible new strategies for diagnosis of primary cutaneous B-cell lymphomas / D. Fanoni, S. Tavecchio, S. Recalcati, Y. Balice, L. Venegoni, R. Fiorani, C. Crosti, E. Berti. - In: IMMUNOLOGY LETTERS. - ISSN 0165-2478. - 134:2(2011), pp. 157-160. (Intervento presentato al 9. convegno International Workshop on Human Leukocyte Differentiation Antigens tenutosi a Barcelona nel 2010) [10.1016/j.imlet.2010.09.022].
New monoclonal antibodies against B-cell antigens: possible new strategies for diagnosis of primary cutaneous B-cell lymphomas
D. Fanoni;L. Venegoni;C. CrostiPenultimo
;E. Berti
2011
Abstract
Reactivities of the monoclonal antibodies (mAbs) of the 9th Human Leukocyte Differentiation Antigen Workshop, in order to define specific antigenic expression of the primary cutaneous B-cell lymphomas (PC-BCL), were analyzed by immunohistology on human tonsil and on PC-BCL, such as follicular centre B-cell lymphomas (FCL), marginal zone lymphomas (MZL) and diffuse large B-cells lymphomas leg-type (DLBL-LT). We identified some subgroups of mAbs that were exclusively or preferentially positive in one lymphoma cell type: the PC-FCL subgroup of mAbs includes PD1/CD279, GCET-1, hFCRL1/CD307a, FCRL2/CD307b, CXCR5/CD185, B7-DC/CD273, MRC/CD200, CD130, CXCR4/CD184, Siglec-5/14, CD150, on the other hand subgroup of mAbs in PC-MZL includes BTLA/CD272, BLIMP-1, hCD38. No specific subgroup of mAbs was found to label PC-DLBCL. This study may be useful to better define specific antigen profile of different PC-BCL entities leading to a correct diagnosis.
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