Journal
TISSUE ENGINEERING AND REGENERATIVE MEDICINE
Volume 11, Issue 2, Pages 171-177Publisher
KOREAN TISSUE ENGINEERING REGENERATIVE MEDICINE SOC
DOI: 10.1007/s13770-014-0412-1
Keywords
amniotic fluid-derived stem cell; conditioned media; skin; MMP-1; procollagen 1A
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Funding
- Ministry for Health, Welfare Family Affairs [A091224]
- National Research Foundation (NRF)
- Ministry of Science, ICT & Future Planning, Republic of Korea [NRF-2012R1A1A1010163]
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The purpose of this study is to evaluate the effect of conditioned media (CM) collected from human amniotic fluid-derived stem cells (hAFSCs) on in vitro wound healing and on expression change of MMP-1 and procollagen 1A by ultra-violet A (UVA) irradiation. The conditioned media (CM) were collected from hAFSCs cultured with DMEM/F-12 serum free media. AFSC-CM were tested using in vitro wound healing model, and the results demonstrated that AFSC-CM facilitated cell proliferation in the dermal fibroblast (132.72 +/- 7.48%) and skin epidermal cell (125.95 +/- 4.61%), and accelerated cell migration after wound was generated. In order to evaluate the effect of AFSC-CM treatment on gene expressions changed by UVA irradiation, AFSC-CM and CM collected from culture of epidermal cell after UVA irradiation were used in dermal fibroblast culture. qRT-PCR data indicated that upregulated MMP-1 expression by UVA was down-regulated and down-regulated procollagen 1A expression was recovered by treatment with AFSC-CM. Collectively, the results suggest that hAFSC-CM has a potential to improve skin regeneration which was damaged by photo-aging.
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