目的：确定瘦素及其功能受体在脱出间盘组织中的表达，阐明瘦素是否能促进鼠np细胞在体外的增殖。
Objective. To determine the expression of leptin and its functional receptor in herniated disc tissues, and to elucidate whether leptin can stimulate rat NP cells to proliferate in vitro.
正如MTT法和计数pcna阳性细胞比例所显示：瘦素的给予与鼠np细胞的增殖成剂量依赖性关系。
Leptin administration led to increased proliferation of rat NP cells in a dose-dependent manner, as shown by MTT assay and by counting the percentage of PCNA-positive cells.
正如MTT法和计数pcna阳性细胞比例所显示：瘦素的给予与鼠np细胞的增殖成剂量依赖性关系。
Leptin administration led to increased proliferation of rat NP cells in a dose-dependent manner, as shown by MTT assay and by counting the percentage of PCNA-positive cells.
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