TMT-proteomics Reveals the Therapeutic Effects of Lianling Decoction Against Atopic Dermatitis Through Infection

Overview

Journal Heliyon

Specialty Social Sciences

Date 2024 Oct 15

PMID 39403467

Authors

Lili Zhang

Ziyi Fan

Linxian Li

Zhanxue Sun

Affiliations

Soon will be listed here.

Abstract

Background: Lianling Tang (LLT), a traditional Chinese herbal decoction, is utilized for managing inflammatory skin conditions in China. This study explores the therapeutic effects and molecular mechanisms of LLT on atopic dermatitis (AD) in a mouse model, employing proteomics techniques.

Methods: We evaluated the therapeutic efficacy of LLT on AD in mice by assessing skin inflammation scores, conducting histopathological examinations, and measuring serum levels of IgE, IL-4, and IL-6. Using Tandem Mass Tag (TMT) technology, we performed proteomics analysis of skin samples from Control, Model, LLT-treated, and positive control drug-treated mice, and identified differentially expressed proteins (DEPs). These proteins were then analyzed via GO and KEGG pathways to elucidate LLT's mechanisms in treating AD.

Results: LLT markedly reduced skin inflammation scores, epidermal thickening, and mast cell infiltration, and decreased serum IgE, IL-4, and IL-6 levels in AD model mice, highlighting its therapeutic potential. Proteomics analysis identified infection as a pivotal AD pathogenesis mechanism and revealed critical proteins such as C1QA, C4B, C5, and FCGR3. LLT's mechanisms, such as modulating the complement activation, and influencing phagocytosis, effectively reduce inflammation and alleviate symptoms caused by in AD.

Conclusion: LLT shows potential in AD treatment by modulating pathways associated with infection, effectively alleviating symptoms.

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