Lipoxin A[4] Attenuates the Inflammatory Response in Stem Cells of the Apical Papilla via ALX/FPR2 - Inserm - Institut national de la santé et de la recherche médicale Accéder directement au contenu
Article Dans Une Revue Scientific Reports Année : 2018

Lipoxin A[4] Attenuates the Inflammatory Response in Stem Cells of the Apical Papilla via ALX/FPR2

Résumé

Similar to the onset phase of inflammation, its resolution is a process that unfolds in a manner that is coordinated and regulated by a panel of mediators. Lipoxin A4 (LXA4) has been implicated as an anti-inflammatory, pro-resolving mediator. We hypothesized that LXA4 attenuates or prevents an inflammatory response via the immunosuppressive activity of Stem Cells of the Apical Papilla (SCAP). Here, we report for the first time in vitro that in a SCAP population, lipoxin receptor ALX/FPR2 was constitutively expressed and upregulated after stimulation with lipopolysaccharide and/or TNF-α. Moreover, LXA4 significantly enhanced proliferation, migration, and wound healing capacity of SCAP through the activation of its receptor, ALX/FPR2. Cytokine, chemokine and growth factor secretion by SCAP was inhibited in a dose dependent manner by LXA4. Finally, LXA4 enhanced immunomodulatory properties of SCAP towards Peripheral Blood Mononuclear Cells. These findings provide the first evidence that the LXA4-ALX/FPR2 axis in SCAP regulates inflammatory mediators and enhances immunomodulatory properties. Such features of SCAP may also support the role of these cells in the resolution phase of inflammation and suggest a novel molecular target for ALX/FPR2 receptor to enhance a stem cell-mediated pro-resolving pathway.
Fichier principal
Vignette du fichier
41598_2018_Article_27194.pdf (4.56 Mo) Télécharger le fichier
Origine : Publication financée par une institution
Loading...

Dates et versions

inserm-02157698 , version 1 (17-06-2019)

Identifiants

Citer

Alexis Gaudin, M. Tolar, O. A. Peters. Lipoxin A[4] Attenuates the Inflammatory Response in Stem Cells of the Apical Papilla via ALX/FPR2. Scientific Reports, 2018, 8 (1), pp.8921. ⟨10.1038/s41598-018-27194-7⟩. ⟨inserm-02157698⟩
132 Consultations
80 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More