Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Ishida, Y. et al.

Unique cell surface phenotypes of proliferating lymphocytes in mice homozygous for lpr and gld mutations, defined by monoclonal antibodies to MRL/Mp-lpr/lpr T cells.

In mice bearing the autosomal recessive gene of either lpr or gld, generalized T-cell proliferation and autoimmunity occurs. The surface antigen profiles of these proliferating cells were analyzed using two-color flow cytometry analysis with two newly established rat monoclonal antibodies ( ALP-1, ALP-2) directed to lpr cells. The Lp-1 antigen, defined by ALP-1, is expressed exclusively on approximately one-half of proliferating lpr and gld lymph node cells. The Lp-2 antigen, like B 220, is expressed on 80-90% of lpr and gld lymph node cells, the cells in B-cell lineage and a small population of Ly-2+ T cells from normal mice. Thus, the lpr and gld lymph node cells were classified into three subsets, Lp-1+/Lp-2+, Lp-1-/Lp-2+ and Lp-1-/Lp-2-. After stimulation with Con A or a combination of IL-2 and phorbol ester, a small population of T cells from normal mice became Lp-1+. The same treatment increased Lp-2+/Ly-2+ and induced Lp-2+/L3T4+ T-cell populations. Therefore, it seems likely that these phenotypically unique T cells are generated at some stage during the proliferation and differentiation of certain normal T-cell subpopulations. The aberrant T cells in mice with lpr and gld mutations may even be normal regulatory T cells, if they are not proliferating abnormally.[1]

References

Unique cell surface phenotypes of proliferating lymphocytes in mice homozygous for lpr and gld mutations, defined by monoclonal antibodies to MRL/Mp-lpr/lpr T cells. Ishida, Y., Ueda, G., Noguchi, K., Nagasawa, R., Hirose, S., Sato, H., Shirai, T. Cell. Immunol. (1987) [Pubmed]

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