Effect of photodynamic therapy on the expression of toll-like receptor 2, -3, -4, and -8 in the cervical lesions.

IF 2.6 4区 生物学 Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY
Alexander Dushkin, Afanasiev Maxim, Svitich Oxana, Afanasiev Stanislav, Grishacheva Tatyana, Kukina Polina, Asmik Avagyan, Irina Dushkina, Elena Biryukova, Akmaral Khangeldi, Alexander Karaulov
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引用次数: 0

Abstract

Photodynamic therapy (PDT) is a minimally invasive treatment with low systemic toxicity and immunomodulatory effects, increasingly applied in managing HPV-associated cervical lesions. Toll-like receptors (TLRs) are critical in regulating immune responses in cervical pathology, yet their dynamics under PDT remain underexplored. This study investigates the effect of PDT on TLR2, TLR3, TLR4, and TLR8 expression in cervical epithelial cells ex vivo, considering lesion severity. The results reveal that TLR8 exhibited the most significant reduction across all groups 2 h after PDT, with the strongest suppression in patients with invasive cervical cancer. TLR4 expression decreased by 24% in HPV-infected patients and by 71% in those with cervical cancer, highlighting its potential role in modulating the inflammatory microenvironment post-PDT. TLR3 showed hyperexpression in LSIL and suppression in HSIL/CIN III, although changes were not statistically significant (p > 0.05). TLR2 expression remained unchanged, likely due to HPV type variability. These findings demonstrate that PDT effectively reduces hyperexpression of TLR8, TLR4, and TLR3 in early-stage cervical cancer, suggesting their potential as biomarkers for treatment efficacy. Further research incorporating HPV typing and advanced techniques like liquid biopsy is essential to refine our understanding of TLRs in PDT for HPV-associated cervical lesions.

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来源期刊
Photochemistry and Photobiology
Photochemistry and Photobiology 生物-生化与分子生物学
CiteScore
6.70
自引率
12.10%
发文量
171
审稿时长
2.7 months
期刊介绍: Photochemistry and Photobiology publishes original research articles and reviews on current topics in photoscience. Topics span from the primary interaction of light with molecules, cells, and tissue to the subsequent biological responses, representing disciplinary and interdisciplinary research in the fields of chemistry, physics, biology, and medicine. Photochemistry and Photobiology is the official journal of the American Society for Photobiology.
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