Marine Fungus Aspergillus chevalieri TM2-S6 Extract Protects Skin Fibroblasts from Oxidative Stress.

Marine Fungus Aspergillus chevalieri TM2-S6 Extract Protects Skin Fibroblasts from Oxidative Stress.
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DOI:
10.3390/md18090460
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发表时间:
2020-09-08
期刊:
影响因子:
5.4
通讯作者:
Ouazzani J
Ouazzani J
中科院分区:
医学2区
文献类型:
--
作者:
Letsiou S;Bakea A;Goff GL;Lopes P;Gardikis K;Weis M;Benayahu Y;Ouazzani J

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从海绵Axinella中分离到一株Aspergillus chevalieri TM 2-S6,经ITS序列同源性分析鉴定为Aspergillus Restricti.将菌株在马铃薯葡萄糖肉汤(PDB)上培养9天,并将培养基评价为对原代正常人皮肤成纤维细胞(NHDF)的抗氧化剂。将培养液进行无菌过滤,冻干,并在不进行任何进一步处理的情况下使用,得到名为ACBB的Aspergillus chevalieri TM 2-S6培养液成分。ACCB含有两种主要化合物:四氢金蓝素和黄蓝素。在氧化应激下,ACCB显示出显着的促进细胞活力。为了阐明作用机制,评估了对成纤维细胞生理学中涉及的数百个基因的影响。因此,ACCB刺激细胞增殖(VEGFA,TGFB 3),抗氧化反应(GPX 1,SOD 1,NRF 2)和细胞外基质组织(COL 1A 1,COL 3A 1,CD 44,MMP 14)。ACCD还可减少衰老(SIRT 1、SIRT 2、FOXO 3)。这些发现表明,Aspergillus chevalieri TM 2-S6培养液在氧化应激下对人成纤维细胞表现出显著的体外皮肤保护作用,使其成为潜在的化妆品成分。
The strain Aspergillus chevalieri TM2-S6 was isolated from the sponge Axinella and identified according to internal transcribed spacer (ITS) molecular sequence homology with Aspergillus species from the section Restricti. The strain was cultivated 9 days on potato dextrose broth (PDB), and the medium evaluated as antioxidant on primary normal human dermal fibroblasts (NHDF). The cultivation broth was submitted to sterile filtration, lyophilized and used without any further processing to give the Aspergillus chevalieri TM2-S6 cultivation broth ingredient named ACBB. ACCB contains two main compounds: tetrahydroauroglaucin and flavoglaucin. Under oxidative stress, ACCB showed a significant promotion of cell viability. To elucidate the mechanism of action, the impact on a panel of hundreds of genes involved in fibroblast physiology was evaluated. Thus, ACCB stimulates cell proliferation (VEGFA, TGFB3), antioxidant response (GPX1, SOD1, NRF2), and extracellular matrix organization (COL1A1, COL3A1, CD44, MMP14). ACCD also reduced aging (SIRT1, SIRT2, FOXO3). These findings indicate that Aspergillus chevalieri TM2-S6 cultivation broth exhibits significant in vitro skin protection of human fibroblasts under oxidative stress, making it a potential cosmetic ingredient.
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