Figure 3.
Long-term consequences of orchiectomy. (a) Two cohorts of male Foxn1:eGFP transgenic mice were castrated at either 2 or 6 months of age; their thymopoietic parameters were examined at approximately 12 months of age (the means and s.e.m. of analysis time points are indicated) and compared to those of a male control group (combined cohorts of untreated and sham-operated males, which did not differ in the parameters studied here), and of female mice. (b) Number of thymic epithelial cells (TECs). (c) Number of CD45+ thymocytes. (d) Thymopoietic indices, calculated as thymocyte/TEC ratios. (e) Fraction of eGFP+ cells as a measure of Foxn1-expression in the thymic epithelium. The total numbers (mean values) of eGFP+ TECs is as follows. Males: 7,200 cells; cohort 1: 3,200 cells; cohort 2: 5,000 cells; females: 3,000 cells. (f) Linear relationship between the thymopoietic indices and the fraction of eGFP+ TECs. Means ± s.e.m.