期刊
FASEB JOURNAL
卷 35, 期 5, 页码 -出版社
WILEY
DOI: 10.1096/fj.202002611R
关键词
angiogenesis; atmospheric plasma; cell attachment; cell differentiation; cell migration; cell proliferation; cold plasma; EA.hy926; FGF; L-929; neurogenesis; neurite; nonthermal plasma; osteogenesis; PC-12; plasma-activated medium; plasma medicine; Saos-2; wound healing
资金
- Fundamental Research Funds for the Central Universities
- Shanghai Pujiang Program [19PJ1408800]
The study found that cold atmospheric plasma (CAP) and acidic fibroblast growth factor (aFGF) synergistically enhanced wound healing and angiogenesis, with aFGF outperforming CAP in neurogenesis and CAP surpassing aFGF in osteogenesis.
Cold atmospheric plasma (CAP) is an emerging technology for biomedical applications, exemplified by its antimicrobial and antineoplastic potentials. On the contrary, acidic fibroblast growth factor (aFGF) has been a long-standing potent mitogen for cells from various origins. In this study, we are the first to develop a multimodal treatment combining the aforementioned physicochemical and pharmacological treatments and investigated their individual and combined effects on wound healing, angiogenesis, neurogenesis, and osteogenesis. This work was performed at the tissue, cellular, protein, and gene levels, using histochemical staining, flow cytometry, ELISA, and PCR, respectively. Depending on the type of target tissue, various combinations of aforementioned methods were used. The results showed that the enhancement on would healing and angiogenesis by CAP and aFGF were synergistic. The former was manifested by increased murine fibroblast proliferation and reduced cutaneous tissue inflammation, whereas the latter by upregulated proangiogenic markers in vivo, for example, CD31, VEGF, and TGF-beta, and downregulated antiangiogenic proteins in vitro, for example, angiostatin and angiopoietin-2, respectively. In addition, aFGF outperformed CAP during neurogenesis, which was evidenced by superior neurite outgrowth, while CAP exceeded aFGF in osteogenesis which was demonstrated by more substantial bone nodule formation. These novel findings not only support the fact that CAP and aFGF are both multipotent agents during tissue regeneration, but also highlight the potential of our multimodal treatment combining the individual advantages of CAP and aFGF. The versatile administration route, that is, topical and/or systemic, might further broaden its applications.
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