Effects of intense pulsed light treatment on tear cytokines and clinical outcomes in meibomian gland dysfunction.

Meibomian gland dysfunction (MGD) has become a prevalent ocular surface disorder. Its pathogenesis is regarded as a self-perpetuating inflammatory vicious circle. Intense Pulsed Light (IPL) treatment was recently applied to improve the meibomian gland function and reduce symptoms of MGD. However, st...

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Autores principales:	Qian Li, Junxiu Liu, Cheng Liu, Junfeng Piao, Wei Yang, Ningyu An, Jinyan Zhu
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ece753141da144cabb4dae4baf6bba2e
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spelling	oai:doaj.org-article:ece753141da144cabb4dae4baf6bba2e2021-12-02T20:19:31ZEffects of intense pulsed light treatment on tear cytokines and clinical outcomes in meibomian gland dysfunction.1932-620310.1371/journal.pone.0256533https://doaj.org/article/ece753141da144cabb4dae4baf6bba2e2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0256533https://doaj.org/toc/1932-6203Meibomian gland dysfunction (MGD) has become a prevalent ocular surface disorder. Its pathogenesis is regarded as a self-perpetuating inflammatory vicious circle. Intense Pulsed Light (IPL) treatment was recently applied to improve the meibomian gland function and reduce symptoms of MGD. However, studies investigating the change of specific inflammatory cytokines during IPL treatment remained sparse. To further figure out how IPL treatment modulates the inflammatory cytokines in tears of MGD, we therefore performed a cross-sectional study and enrolled 32 patients from March 2019 to December 2020. The patients received 3 sessions of IPL treatment (10 to 16 J/cm2) at 4-week interval. The signs and symptoms of MGD were evaluated by ocular surface disease index (OSDI), tear film breakup time (TBUT), and meibomian gland yield secretion score (MGYSS). The clinical evaluators and tear samples were analyzed at baseline and at each IPL treatment session. Concentrations of (chemokine ligand) CXCL1, (C-C motif chemokine) CCL11, (tumor necrosis factor) TNF-α, (interferon) IFN-γ, (interleukin) IL-2, IL-6 and (tissue inhibitor of metalloproteinase) TIMP-1were measured by Quantibody Human Dry Eye Disease Array1. OSDI significantly decreased after IPL treatment compared with baseline. TBUT and MGYSS increased consecutively during treatment. CXCL1, CCL11, TNF-α, IFN-γ, IL-2, IL-6 presented significantly decrease and TIMP-1 showed significantly increase from the pretreatment baseline. The changed concentrations of TNF-α, IFN-γ, IL-2, TIMP-1 correlated with TBUT, the changed values of CXCL1, TNF-α, IFN-γ, CCL11, IL-2, IL-6, TIMP-1 correlated with MGYSS, and the changed concentrations of CXCL1, IFN-γ, CCL11, IL-2, IL-6 correlated with TIMP-1. The data supported IPL treatment could significantly relieve both signs and symptoms of MGD. The therapeutic effect of IPL treatment may originate from regulation of inflammatory cytokines including CXCL1, TNF-α, IFN-γ, CCL11, IL-2, IL-6, and TIMP-1.Qian LiJunxiu LiuCheng LiuJunfeng PiaoWei YangNingyu AnJinyan ZhuPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0256533 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Qian Li Junxiu Liu Cheng Liu Junfeng Piao Wei Yang Ningyu An Jinyan Zhu Effects of intense pulsed light treatment on tear cytokines and clinical outcomes in meibomian gland dysfunction.
description	Meibomian gland dysfunction (MGD) has become a prevalent ocular surface disorder. Its pathogenesis is regarded as a self-perpetuating inflammatory vicious circle. Intense Pulsed Light (IPL) treatment was recently applied to improve the meibomian gland function and reduce symptoms of MGD. However, studies investigating the change of specific inflammatory cytokines during IPL treatment remained sparse. To further figure out how IPL treatment modulates the inflammatory cytokines in tears of MGD, we therefore performed a cross-sectional study and enrolled 32 patients from March 2019 to December 2020. The patients received 3 sessions of IPL treatment (10 to 16 J/cm2) at 4-week interval. The signs and symptoms of MGD were evaluated by ocular surface disease index (OSDI), tear film breakup time (TBUT), and meibomian gland yield secretion score (MGYSS). The clinical evaluators and tear samples were analyzed at baseline and at each IPL treatment session. Concentrations of (chemokine ligand) CXCL1, (C-C motif chemokine) CCL11, (tumor necrosis factor) TNF-α, (interferon) IFN-γ, (interleukin) IL-2, IL-6 and (tissue inhibitor of metalloproteinase) TIMP-1were measured by Quantibody Human Dry Eye Disease Array1. OSDI significantly decreased after IPL treatment compared with baseline. TBUT and MGYSS increased consecutively during treatment. CXCL1, CCL11, TNF-α, IFN-γ, IL-2, IL-6 presented significantly decrease and TIMP-1 showed significantly increase from the pretreatment baseline. The changed concentrations of TNF-α, IFN-γ, IL-2, TIMP-1 correlated with TBUT, the changed values of CXCL1, TNF-α, IFN-γ, CCL11, IL-2, IL-6, TIMP-1 correlated with MGYSS, and the changed concentrations of CXCL1, IFN-γ, CCL11, IL-2, IL-6 correlated with TIMP-1. The data supported IPL treatment could significantly relieve both signs and symptoms of MGD. The therapeutic effect of IPL treatment may originate from regulation of inflammatory cytokines including CXCL1, TNF-α, IFN-γ, CCL11, IL-2, IL-6, and TIMP-1.
format	article
author	Qian Li Junxiu Liu Cheng Liu Junfeng Piao Wei Yang Ningyu An Jinyan Zhu
author_facet	Qian Li Junxiu Liu Cheng Liu Junfeng Piao Wei Yang Ningyu An Jinyan Zhu
author_sort	Qian Li
title	Effects of intense pulsed light treatment on tear cytokines and clinical outcomes in meibomian gland dysfunction.
title_short	Effects of intense pulsed light treatment on tear cytokines and clinical outcomes in meibomian gland dysfunction.
title_full	Effects of intense pulsed light treatment on tear cytokines and clinical outcomes in meibomian gland dysfunction.
title_fullStr	Effects of intense pulsed light treatment on tear cytokines and clinical outcomes in meibomian gland dysfunction.
title_full_unstemmed	Effects of intense pulsed light treatment on tear cytokines and clinical outcomes in meibomian gland dysfunction.
title_sort	effects of intense pulsed light treatment on tear cytokines and clinical outcomes in meibomian gland dysfunction.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/ece753141da144cabb4dae4baf6bba2e
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Effects of intense pulsed light treatment on tear cytokines and clinical outcomes in meibomian gland dysfunction.

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