Alpha-Lipoic Acid Plays a Role in Endometriosis: New Evidence on Inflammasome-Mediated Interleukin Production, Cellular Adhesion and Invasion

Alfredo Pontecorvi, Giovanni Scambia, Greta Barbaro, Carmela Paciullo, Nicoletta Di Simone, Nicuolo F Di, R Castellani, Cicco Nardone A De

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

Abstract

Endometriosis is an estrogen-linked gynecological disease defined by the presence of endometrial tissue on extrauterine sites where it forms invasive lesions. Alterations in estrogenmediated cellular signaling seems to have an essential role in the pathogenesis of endometriosis. Higher estrogen receptor (ER)- levels and enhanced ER- activity were detected in endometriotic tissues. It is well known that ER- interacts with components of the cytoplasmic inflammasome-3 (NALP-3), the NALP-3 activation increases interleukin (IL)-1 and IL-18, enhancing cellular adhesion and proliferation. Otherwise, the inhibition of ER- activity suppresses the ectopic lesions growth. The present study aims to investigate the potential effect of -lipoic acid (ALA) on NALP-3 and ER- expression using a western blot analysis, NALP-3-induced cytokines production by ELISA, migration and invasion of immortalized epithelial (12Z) and stromal endometriotic cells (22B) using a 3D culture invasion assay, and matrix-metalloprotease (MMPs) activity using gelatin zymography. ALA significantly reduces ER-, NALP-3 protein expression/activity and the secretion of IL-1 and IL-18 in both 12Z and 22B cells. ALA treatment reduces cellular adhesion and invasion via a lower expression of adhesion molecules and MMPs activities. These results provide convincing evidence that ALA might inhibit endometriosis progression.
Lingua originaleEnglish
pagine (da-a)1-13
Numero di pagine13
RivistaMolecules
DOI
Stato di pubblicazionePubblicato - 2021

Keywords

  • alpha-lipoic acid
  • estrogen receptor (ER)
  • endometriosis
  • NALP-3 inflammasome

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