Fig. 5

B lymphocyte amounts in the spleen of 3-, 10-month-old male and female APOE3- and APOE4-TR mice. a Representative splenic CD19+ B cell analysis diagram by flow cytometry of different groups. b The percentages of splenic CD19 + B cell of different groups. Data were expressed as mean ± SEM and were analyzed by ANOVA followed by Bonferroni post-test, Asterisks (*) indicate significant difference to 10-month-old female APOE4-TR mice, respectively. *P < 0.05, n = 4–6