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Title: Pinocembrin and its Linolenoyl Ester Derivative induce Wound Healing Activity in HaCaT cell line potentially involving a GPR120/FFAR4 mediated pathway
Authors: Mazzotta, Sarah
Governa, Paolo 
Borgonetti, Vittoria
Marcolongo, Paola
Nanni, Claudio
Gamberucci, Alessandra
Manetti, Fabrizio 
Pessina, Federica
Carullo, Gabriele 
Brizzi, Antonella 
Aiello, Francesca
Keywords: GPR120, FFA4, PUFAs, pinocembrin, wound healing HaCaT cell line, pancreatic porcine lipase, TUG-891, molecular docking, β-arrestin
Issue Date: 2021
Project: None 
Wound healing represents an urgent need from the clinical point of view. Several diseases result in wound conditions which are difficult to treat, such as in the case of diabetic foot ulcer. Starting from there, the medicinal research has focused on various targets over the years, including GPCRs as new wound healing drug targets. In line with this, GPR120, known to be an attractive target in type 2 diabetes drug discovery, was studied to finalize the development of new wound healing agents. Pinocembrin (HW0) was evaluated as a suitable compound for interacting with GPR120, and was hybridized with fatty acids, which are known endogenous GPR120 ligands, to enhance the wound healing potential and GPR120 interactions. HW0 and its 7-linolenoyl derivative (HW3) were found to be suitable wound healing agents. Immunofluorescence and functional assays suggested that their activity was mediated by GPR120, and docking simulations showed that the compounds could share the same pocket occupied by the known GPR120 agonist, TUG-891.
ISSN: 0045-2068
DOI: 10.1016/j.bioorg.2021.104657
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