Characteristics of mice before and after IL-15 treatment.

Data are presented as mean ± SEM. Body weights expressed as grams. Asterisks used to denote significance using a paired Student t-test comparing before and after body weights within the same group.**P***P数据以均值±标准误（Standard Error of the Mean，SEM）呈现。体质量以克为单位表示。采用配对Student t检验（paired Student t-test）对同一组内干预前后的体质量进行比较，以星号标注统计学显著性差异。**P***P