Iranian
Biomedical Journal
Volume 29, Issue 5 (9-2025)
IBJ 2025, 29(5): 344-351 |
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Tavakoli A, Heidari Keshel S, Valizadeh M. Alterations in the Expression of miR-148a-5p, TGF-β1, and TGF-βR2 in Skin Samples Exposed to Sulfur Mustard.. IBJ 2025; 29 (5) :344-351
URL: http://ibj.pasteur.ac.ir/article-1-5198-en.html
URL: http://ibj.pasteur.ac.ir/article-1-5198-en.html
Abstract:
Background: Sulfur mustard exposure causes chronic cutaneous injuries characterized by inflammation, fibrosis, and delayed wound healing. MiRNAs, such as miR-148a-5p, have been implicated in regulating the TGF-β signaling pathways involved in these processes. This study aimed to evaluate whether alterations in the expression of miR-148a-5p, TGF-β1, and TGF-βR2 are associated with long-term SM-induced skin damage.
Methods: Skin biopsy samples were collected from 20 SM-exposed veterans and 20 healthy controls. Total RNA was extracted, and quantitative real-time PCR was performed to assess the expression levels of miR-148a-5p, TGF-β1, and TGF-βR2. Group differences were analyzed using a t-test, and ROC curves were generated to evaluate diagnostic performance.
Results: Expression levels of miR-148a-5p, TGF-β1, and TGF-βR2 were significantly lower in SM-exposed skin compared with controls (miR-148a-5p: p = 0.0010; TGF-β1: p < 0.0001; TGF-βR2: p < 0.0001). Based on ROC analysis, miR-148a-5p and TGF-βR2 indicated promising discriminative potential, whereas TGF-β1 did not reach statistical significance (AUC = 0.65; p = 0.0877).
Conclusion: Our findings suggest that reduced expression of miR-148a-5p and TGF-βR2 may contribute to SM-related skin injury. Both markers demonstrated potential diagnostic utility and could aid in risk stratification and monitoring in SM-induced skin disease, pending further validation in larger cohorts.
Methods: Skin biopsy samples were collected from 20 SM-exposed veterans and 20 healthy controls. Total RNA was extracted, and quantitative real-time PCR was performed to assess the expression levels of miR-148a-5p, TGF-β1, and TGF-βR2. Group differences were analyzed using a t-test, and ROC curves were generated to evaluate diagnostic performance.
Results: Expression levels of miR-148a-5p, TGF-β1, and TGF-βR2 were significantly lower in SM-exposed skin compared with controls (miR-148a-5p: p = 0.0010; TGF-β1: p < 0.0001; TGF-βR2: p < 0.0001). Based on ROC analysis, miR-148a-5p and TGF-βR2 indicated promising discriminative potential, whereas TGF-β1 did not reach statistical significance (AUC = 0.65; p = 0.0877).
Conclusion: Our findings suggest that reduced expression of miR-148a-5p and TGF-βR2 may contribute to SM-related skin injury. Both markers demonstrated potential diagnostic utility and could aid in risk stratification and monitoring in SM-induced skin disease, pending further validation in larger cohorts.
Type of Study: Full Length/Original Article |
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