Abstract
The distribution of T-cells and B-cells in Peyer's patches was examined in three autoimmune model mice, MRL/Mp-lpr/lpr, BXSB, NZBWF1/J mice and normal BALB/c mice, between one and ten months old. A multiple layering technique was used for immunohistochemical detection of lymphocyte surface antigens of T-cells (Thy1.2, Lyt1, Lyt2) and B-cells (surface IgM) and peanut agglutinin receptor for germinal center cells. The T-cell population of female MRL/Mp-lpr/lpr mice increased markedly with age, and the B-cell population of the male BXSB mouse tended to increase. However, little change was observed with age in the NZBWF1/J mice. The immunohistochemical properties of the Peyer's patches in the three autoimmune model mice were different.
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