The effect of narrowband ultraviolet B on tissue level of interleukin-15 and interleukin-15 receptor alpha subunit in active nonsegmental vitiligo cases: an interventional cohort study

Background Vitiligo is an acquired depigmenting skin disorder in which CD8 effector and memory T-cells contribute to its pathogenesis and recurrence. Interleukin (IL)-15 contributes to CD8 effector T-cell cytotoxicity and CD8 memory T-cell survival and maturation. Objective To evaluate the effect of...

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Main Authors: Randa Youssef, Nourhan Emad, Olfat Shaker, Rania M. Mogawer
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2024-05-01
Series:Journal of the Egyptian Women’s Dermatologic Society
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Online Access:https://journals.lww.com/10.4103/jewd.jewd_77_23
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author Randa Youssef
Nourhan Emad
Olfat Shaker
Rania M. Mogawer
author_facet Randa Youssef
Nourhan Emad
Olfat Shaker
Rania M. Mogawer
author_sort Randa Youssef
collection DOAJ
description Background Vitiligo is an acquired depigmenting skin disorder in which CD8 effector and memory T-cells contribute to its pathogenesis and recurrence. Interleukin (IL)-15 contributes to CD8 effector T-cell cytotoxicity and CD8 memory T-cell survival and maturation. Objective To evaluate the effect of total narrowband ultraviolet B (NB-UVB) on tissue levels of IL-15 and IL-15 receptor alpha (IL-15Ra) in active nonsegmental vitiligo. Patients and methods The patients were assessed clinically for vitiligo extent and activity before and after treatment. Perilesional skin biopsies were taken from 30 vitiligo patients before and after 48 sessions of NB-UVB and from 30 healthy controls. Tissue levels of IL-15 and IL-15 Ra were evaluated by enzyme-linked immunosorbent assay before and after treatment to evaluate the effect of NB-UVB on them. Results Before NB-UVB treatment, the tissue levels of both IL-15 and IL-15Ra were significantly higher in vitiligo patients than controls; moreover, they were significantly higher than those after NB-UVB treatment. In contrast, after NB-UVB treatment, no statistically significant difference was detected between the patients and controls. The levels of IL-15 and IL-15Ra were significantly correlated, whereas they were not correlated with either vitiligo activity or extent. Conclusion IL-15 and IL-15Ra were higher in vitiligo patients than controls before treatment. However, their tissue levels were normalized after treatment with NB-UVB, emphasizing its therapeutic potential.
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spelling doaj-art-8dddd98f70cc439c91c49ced0bdaa82d2025-08-20T02:01:19ZengWolters Kluwer Medknow PublicationsJournal of the Egyptian Women’s Dermatologic Society2090-25652024-05-0121212012610.4103/jewd.jewd_77_23The effect of narrowband ultraviolet B on tissue level of interleukin-15 and interleukin-15 receptor alpha subunit in active nonsegmental vitiligo cases: an interventional cohort studyRanda YoussefNourhan EmadOlfat ShakerRania M. MogawerBackground Vitiligo is an acquired depigmenting skin disorder in which CD8 effector and memory T-cells contribute to its pathogenesis and recurrence. Interleukin (IL)-15 contributes to CD8 effector T-cell cytotoxicity and CD8 memory T-cell survival and maturation. Objective To evaluate the effect of total narrowband ultraviolet B (NB-UVB) on tissue levels of IL-15 and IL-15 receptor alpha (IL-15Ra) in active nonsegmental vitiligo. Patients and methods The patients were assessed clinically for vitiligo extent and activity before and after treatment. Perilesional skin biopsies were taken from 30 vitiligo patients before and after 48 sessions of NB-UVB and from 30 healthy controls. Tissue levels of IL-15 and IL-15 Ra were evaluated by enzyme-linked immunosorbent assay before and after treatment to evaluate the effect of NB-UVB on them. Results Before NB-UVB treatment, the tissue levels of both IL-15 and IL-15Ra were significantly higher in vitiligo patients than controls; moreover, they were significantly higher than those after NB-UVB treatment. In contrast, after NB-UVB treatment, no statistically significant difference was detected between the patients and controls. The levels of IL-15 and IL-15Ra were significantly correlated, whereas they were not correlated with either vitiligo activity or extent. Conclusion IL-15 and IL-15Ra were higher in vitiligo patients than controls before treatment. However, their tissue levels were normalized after treatment with NB-UVB, emphasizing its therapeutic potential.https://journals.lww.com/10.4103/jewd.jewd_77_23active nonsegmental vitiligointerleukin-15interleukin-15 receptor alphanarrowband ultraviolet b
spellingShingle Randa Youssef
Nourhan Emad
Olfat Shaker
Rania M. Mogawer
The effect of narrowband ultraviolet B on tissue level of interleukin-15 and interleukin-15 receptor alpha subunit in active nonsegmental vitiligo cases: an interventional cohort study
Journal of the Egyptian Women’s Dermatologic Society
active nonsegmental vitiligo
interleukin-15
interleukin-15 receptor alpha
narrowband ultraviolet b
title The effect of narrowband ultraviolet B on tissue level of interleukin-15 and interleukin-15 receptor alpha subunit in active nonsegmental vitiligo cases: an interventional cohort study
title_full The effect of narrowband ultraviolet B on tissue level of interleukin-15 and interleukin-15 receptor alpha subunit in active nonsegmental vitiligo cases: an interventional cohort study
title_fullStr The effect of narrowband ultraviolet B on tissue level of interleukin-15 and interleukin-15 receptor alpha subunit in active nonsegmental vitiligo cases: an interventional cohort study
title_full_unstemmed The effect of narrowband ultraviolet B on tissue level of interleukin-15 and interleukin-15 receptor alpha subunit in active nonsegmental vitiligo cases: an interventional cohort study
title_short The effect of narrowband ultraviolet B on tissue level of interleukin-15 and interleukin-15 receptor alpha subunit in active nonsegmental vitiligo cases: an interventional cohort study
title_sort effect of narrowband ultraviolet b on tissue level of interleukin 15 and interleukin 15 receptor alpha subunit in active nonsegmental vitiligo cases an interventional cohort study
topic active nonsegmental vitiligo
interleukin-15
interleukin-15 receptor alpha
narrowband ultraviolet b
url https://journals.lww.com/10.4103/jewd.jewd_77_23
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