Related Experiment Video
Updated: Sep 13, 2025
08:20
In Vitro Model of Human Cutaneous Hypertrophic Scarring using Macromolecular Crowding
Published on: May 1, 2020
6.8K
Influence of Immune Cells and Circulating Inflammatory Cytokines on Pathological Scars: A Mendelian Randomization
Yang Xu1, Weisheng Zhan2, Juhua Zhao1
1Department of Dermatology, Nanchong Central Hospital, Nanchong, Sichuan Province, People's Republic of China.
Clinical, Cosmetic and Investigational Dermatology
|August 4, 2025
Summary
This study used Mendelian randomization to investigate the causal links between immune cells, inflammatory cytokines, and pathological scars. Findings reveal specific immune phenotypes and cytokines influencing hypertrophic scars and keloids, aiding early detection and treatment.
Area of Science:
- Genetics and immunology research
- Wound healing and scar formation mechanisms
Background:
- Pathological scars result from abnormal wound healing.
- Immune cells and inflammatory cytokines are linked to scar development, but causality is unclear.
Purpose of the Study:
- To clarify the causal relationship between immune phenotypes, inflammatory cytokines, and pathological scars (hypertrophic scars and keloids).
- To provide a basis for early identification and intervention strategies for pathological scars.
Main Methods:
- Utilized genome-wide association studies (GWAS) data for immune cells, cytokines, hypertrophic scars, and keloids.
- Employed Mendelian randomization (MR) analysis with single-nucleotide polymorphisms (SNPs).
- Applied the inverse-variance weighted (IVW) method and conducted sensitivity analyses for result validation.
Main Results:
- Identified 10 and 5 immunophenotypes associated with increased and decreased risk of hypertrophic scars, respectively.
- Found 3 and 2 inflammatory cytokines linked to increased and decreased risk of hypertrophic scars.
- Determined 5 and 4 immunophenotypes influencing keloid risk, alongside 1 cytokine for increased keloid risk.
Conclusions:
- This study elucidates the specific roles of immune phenotypes and cytokines in pathological scar pathogenesis.
- Results offer valuable insights for developing early diagnostic markers and therapeutic interventions for pathological scars.
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