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Published on: July 8, 2020
Effect of Xiaobailing decoction on melanocytes in vitro
Wenhui Xue1, Xing Qu, Changbin Chen
1Department of Dermatology, Tiantan Hospital Affiliated to Capital Medical University, Beijing 100050, China.
Objective:
To observe the effect of xiaobailing decoction ([Chinese characters: see text) on murine melanocytes in vitro and to explore the mechanism of xiaobailing Decoction in the treatment of vitiligo.
Methods:
B-16F10 murine melanoma cells were cultured in 1640 medium and treated respectively with different concentrations (1 mg/ml, 2 mg/ml, 3 mg/ml) of the Chinese drug xiaobailing Decoction and its main components, the drugs for replenishing the kidney-yang, and the drugs for nourishing blood and activating blood circulation, etc. for 7 days. MMT assay was used to determine the proliferation of B-16F10 murine melanoma cells. NaOH cleavage assay was adopted to measure the melanogenesis of melanocytes.
Results:
xiaobailing Decoction, the drugs for replenishing the kidney-yang and the drugs for nourishing blood and activating blood circulation at different concentrations significantly improved the proliferation of B-16F10 murine melanoma cells from the 3rd day to the 5th day (P < 0.05), with xiaobailing Decoction at the concentrations of 1 mg/ml having the most distinct action on promoting the proliferation of melanocytes on the 3rd day (P < 0.001); And the drugs for replenishing the kidney-yang at the concentrations of 2 mg/ml and 3 mg/ml and the drugs for nourishing blood and activating blood circulation at 3 mg/ml significantly increased melanogenesis of melanocytes (P < 0.05).
Conclusion:
Xiaobailing Decoction can promote melanocytic proliferation and melanogenesis in vitro, and it is indicated that the drugs for replenishing the kidney-yang and the drugs for nourishing blood and activating blood circulation play an important role in treating vitiligo.
