Open AccessBrazilian essential oil of Cymbopogon martini (Poaceae): positive effects on inflammation-induced human fibroblasts and skin aging
Author(s) -
Carlos Rocha Oliveira,
Leonardo Mendes Bella,
Marília Cristina Duarte,
Rodolfo de Paula Vieira
Publication year - 2021
Language(s) - English
Resource type - Journals
ISSN - 2446-4775
DOI - 10.32712/2446-4775.2021.1127
Subject(s) - collagenase , mtt assay , hyaluronic acid , lipopolysaccharide , microbiology and biotechnology , chemistry , fibroblast , viability assay , cytotoxicity , secretion , pharmacology , biochemistry , biology , in vitro , immunology , enzyme , anatomy
The study evaluated the effects of essential oil from Cymbopogon martini (CMEO) on lipopolysaccharide (LPS)-stimulated human fibroblasts. Samples were collected in Monte Verde, Minas Gerais, Brazil and analyzed by gas chromatography with mass spectrometry. The fibroblasts were cultured in a monolayer using Iscove's medium and stimulated by LPS (1 μg/mL) and incubated for 24 h at 37°C. The cytotoxicity was evaluated by MTT assay and collagen concentration by Sirius red. Collagenase activity, hyaluronic acid, and the concentrations of IL-1β; IL-6; MCP-1 (CCL2), and MIP-1-α (CCL3) were evaluated. The effect of CMEO on the expression of mRNA and the secretion of enzymes in fibroblasts were evaluated by RT-qPCR and ELISA, respectively. CMEO was cytotoxic against fibroblasts, in which 10 μg/mL inhibited 50% of cell viability. When treated with CMEO, the fibroblasts produced more collagen and hyaluronic acid than control cells. When stimulated by LPS, fibroblasts exhibited higher production of IL-6, IL-1β, MCP-1, and MIP-1α than control cells. The study demonstrated the effects of CMEO on the modulation of mediators related to inflammation and decreasing the mRNA and secretion levels of metalloproteinases, revealing to be a promising candidate for anti-aging effects and wound healing treatments.