Conclusions: Both Zuoguiyin and Yishenbao could promote RNA transcription activity in isolated nuclei and protein synthesis activity in free-cell extracts of Kidney-Asthenia and presenile mice.

• 结论：补肾阴与补肾阳方剂均可提高老年前期肾虚小鼠的RNA转录活性及蛋白质合成活性。