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Scleroderma: From Biomarkers to Therapeutic Targets

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: 20 September 2025 | Viewed by 1483

Special Issue Editor


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Guest Editor
University of Pittsburgh Medical Center, Children’s Hospital of Pittsburgh, Pittsburgh, PA, USA
Interests: scleroderma

Special Issue Information

Dear Colleagues,

This special issue, “Scleroderma: From Biomarkers to Therapeutic Targets”, delves into the latest advancements in understanding the complex mechanisms underlying scleroderma (systemic sclerosis and localized scleroderma). We welcome submissions on a variety of topics, including but not limited to: Updates or new findings on serological biomarkers, such as cytokines and chemokines, pivotal in predicting disease activity and progression. Utilization of peripheral blood flow cytometry to elucidate immune cell dynamics and their role in scleroderma. Comprehensive skin histology findings and innovative staining techniques for RNA and protein expression, providing deeper insights into tissue-specific molecular alterations. Examination of the epigenetic landscape through DNA methylation studies, shedding light on regulatory mechanisms influencing gene expression. RNA sequencing of skin and blood samples from scleroderma patients and mouse models, offering a detailed transcriptomic perspective. Genetic and genomic studies that further enhance our understanding of the hereditary factors and genomic instability associated with the disease. Together, these multidisciplinary approaches will pave the way for identifying novel therapeutic targets and developing precision medicine strategies to improve patient outcomes.

Dr. Kathryn Seraphin Torok
Guest Editor

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Keywords

  • scleroderma
  • biomarkers
  • epigenetics
  • RNA sequencing
  • genetics and genomics
  • therapeutic targets

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Published Papers (1 paper)

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Research

13 pages, 1805 KiB  
Communication
Markers of Type 2 Inflammation and Immunosenescence Are Upregulated in Localized Scleroderma
by Lauren Khoury, Connor Prosty, Stephanie Ghazal, Sofianne Gabrielli, Kathryn S. Torok, Mohammed Osman, Elvis Martinez-Jaramillo, Philippe Lefrançois and Elena Netchiporouk
Int. J. Mol. Sci. 2025, 26(3), 1258; https://doi.org/10.3390/ijms26031258 - 31 Jan 2025
Viewed by 1161
Abstract
Localized scleroderma (LS) is an autoimmune, fibrotic skin disease that is thought to be triggered by environmental factors. Recent evidence from systemic autoimmune diseases proposed that the induction of immunosenescence may link environmental triggers with autoimmunity development. We aimed to explore the inflammatory [...] Read more.
Localized scleroderma (LS) is an autoimmune, fibrotic skin disease that is thought to be triggered by environmental factors. Recent evidence from systemic autoimmune diseases proposed that the induction of immunosenescence may link environmental triggers with autoimmunity development. We aimed to explore the inflammatory signature in juvenile LS and investigate the presence of DNA instability and immunosenescence using publicly available transcriptomic data. High-throughput RNA sequencing data from 28 juvenile LS and 10 healthy controls were analyzed. Unsupervised clustering, pathway analyses, cell-type enrichment, fusion analyses, and immunosenescence gene set enrichment were performed. IFN and Type 1/2/3 pathways were upregulated in clinically active and histologically inflammatory LS. Type 2 inflammatory signature in both inflammatory and fibrotic LS was demonstrated by enriched genes, pathways, and deconvolution analyses (eosinophils). Features of genotoxic stress signals manifesting as DNA instability genes, pathways, and fusion events as well as mitochondrial dysfunction were demonstrated for the first time in LS. Features of immunosenescence (e.g., the upregulation of pathways involved in T cell exhaustion, inhibitory receptors, and cellular senescence and the enrichment of senescent genes) were also confirmed in (active and inflammatory) LS. Immunosenescence and inflammaging may underlie the complex and heterogeneous nature of immune responses seen in LS and should be further studied. Full article
(This article belongs to the Special Issue Scleroderma: From Biomarkers to Therapeutic Targets)
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