Irradiation with Polychromatic Incoherent Low Energy Radiation of Human Peripheral Blood Mononuclear Cells In Vitro: Effects on Cytokine Production

Francesca Maria Salmeri, Lucia Denaro, Elisa Ruello, Giuseppe Acri, Sergio Gurgone, Carlo Sansotta and Barbara Testagrossa
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Francesca Maria Salmeri: Department of BIOMORF, University of Messina, Via Consolare Valeria, 98125 Messina, Italy
Lucia Denaro: Department of BIOMORF, University of Messina, Via Consolare Valeria, 98125 Messina, Italy
Elisa Ruello: Department of BIOMORF, University of Messina, Via Consolare Valeria, 98125 Messina, Italy
Giuseppe Acri: Department of BIOMORF, University of Messina, Via Consolare Valeria, 98125 Messina, Italy
Sergio Gurgone: Department of MIFT, University of Messina, Viale F. Stagno d’Alcontres, 98166 Messina, Italy
Carlo Sansotta: Department of BIOMORF, University of Messina, Via Consolare Valeria, 98125 Messina, Italy
Barbara Testagrossa: Department of BIOMORF, University of Messina, Via Consolare Valeria, 98125 Messina, Italy

IJERPH, 2020, vol. 17, issue 4, 1-10

Abstract: (1) Background: Physical stimuli may activate peripheral blood mononuclear cells (PBMCs) to secrete cytokines, which may favor pro-inflammatory responses or trigger reparative phenomena. The purpose of this study is to evaluate the action of Polarized Polychromatic Incoherent Low Energy Radiation (PILER) on human in vitro PBMCs, by detection of the possible effects on cytokine production; (2) Methods: isolated PBMCs were irradiated with a PILER lamp at different exposure times, at a distance of 10 cm, before incubation. The supernatants were collected after 24 h and 48 h and cytokines evaluated by ELISA; (3) Results: Our results showed a decrease in the levels of pro-inflammatory IL-12p70, IL-17A, IFN-γ, and TNF-α cytokines, whereas IL-10 and TGF-β1 with regulatory activity increased; (4) Conclusions: PILER irradiation affected the cytokine production by isolated PBMCs driving the immune response toward an anti-inflammatory/reparative profile.

Keywords: PILER; PBMCs; Cytokines (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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