Effect of water-soluble matrix of nano-pearl powder on proliferation, migration and apoptosis of mouse fibroblasts#br#

doi:10.12307/2026.517

Abstract

Abstract: BACKGROUND: Pearl powder is rich in many active ingredients, which can promote the proliferation and migration of fibroblasts, thus promoting wound healing and skin tissue regeneration. However, the effect of nano-pearl powder water-soluble matrix on proliferation, migration and apoptosis of mouse fibroblasts L929 has not been reported.
OBJECTIVE: To investigate the effect of nano-pearl powder water-soluble matrix on the proliferation, migration and apoptosis of mouse fibroblasts L929.
METHODS: Passage 6 L929 cells were divided into five groups. The negative control group did not add any material; the positive control group added PBS, and the low, medium and high mass concentration groups of water-soluble matrix were added with 10, 25 and 40 μg/mL of nano-pearl powder water-soluble matrix, respectively. The proliferation of L929 cells was detected by MTT assay. The migration ability of L929 cells was detected by Transwell. The apoptosis rate of L929 cells was detected by flow cytometry. The expressions of apoptosis-related proteins Bax, Bcl-2, and Caspase-1 were detected by western blot assay.
RESULTS AND CONCLUSION: (1) The results of MTT assay and Transwell chamber experiment showed that the water-soluble matrix of nano-pearl powder could promote the proliferation and migration of L929 cells, and it was concentration dependent. (2) Flow cytometry and western blot assay results showed that the water-soluble matrix of nano-pearl powder could reduce the apoptosis rate of L929 cells and the protein expression of Bax and Caspase-1, and increase the expression of Bcl-2 protein, and it was concentration dependent. (3) These findings exhibited that the water-soluble matrix of nano-pearl powder could inhibit cell apoptosis under high mass concentration treatment. The results show that the water-soluble matrix of nano-pearl powder can promote the proliferation and migration of fibroblasts and inhibit the apoptosis of fibroblasts.

Key words:

nano-pearl powder, water-soluble matrix, mouse fibroblast, proliferation, migration, apoptosis, engineered skin material

CLC Number:

Chen Ling, Mao Qiuhua, Xu Pu, Zhang Wenbo. Effect of water-soluble matrix of nano-pearl powder on proliferation, migration and apoptosis of mouse fibroblasts#br#[J]. Chinese Journal of Tissue Engineering Research, 2026, 30(2): 338-344.

Figures/Tables 5

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