Effects of Dermatan Sulfate from Marine Invertebrate <i>Styela plicata</i> in the Wound Healing Pathway: A Natural Resource Applied to Regenerative Therapy
2022
Vanessa S. Rizzo-Valente | Maria A. Fusco | Renata M. M. L. Cruz | Rachel A. Santos | Lucas S. Silva | Roberta C. Escaleira | Daniel F. Schulz | Shana P. C. Barroso | Bruno L. Miranda | Daniela Z. Santos | Marcelo L. Gregório | Rodrigo J. A. Guerra | Mauro S. G. Pavão
Acute and chronic dermatological injuries need rapid tissue repair due to the susceptibility to infections. To effectively promote cutaneous wound recovery, it is essential to develop safe, low-cost, and affordable regenerative tools. Therefore, we aimed to identify the biological mechanisms involved in the wound healing properties of the glycosaminoglycan dermatan sulfate (DS), obtained from ascidian <i>Styela plicata</i>, a marine invertebrate, which in preliminary work from our group showed no toxicity and promoted a remarkable fibroblast proliferation and migration. In this study, 2,4-DS (50 µg/mL)-treated and control groups had the relative gene expression of 84 genes participating in the healing pathway evaluated. The results showed that 57% of the genes were overexpressed during treatment, 16% were underexpressed, and 9.52% were not detected. In silico analysis of metabolic interactions exhibited overexpression of genes related to: extracellular matrix organization, hemostasis, secretion of inflammatory mediators, and regulation of insulin-like growth factor transport and uptake. Furthermore, in C57BL/6 mice subjected to experimental wounds treated with 0.25% 2,4-DS, the histological parameters demonstrated a great capacity for vascular recovery. Additionally, this study confirmed that DS is a potent inducer of wound-healing cellular pathways and a promoter of neovascularization, being a natural ally in the tissue regeneration strategy.
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