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Related Experiment Video

Updated: May 31, 2026

Polycarbonate Ultracentrifuge Tube Re-Use in Proteomic Analyses of Extracellular Vesicles
02:36

Polycarbonate Ultracentrifuge Tube Re-Use in Proteomic Analyses of Extracellular Vesicles

Published on: March 8, 2024

Distinct Histopathological and Transcriptomic Signatures of Central Compartment Atopic Disease.

Ling Han1, Kanghua Wang2, Shihai Wu3

  • 1Department of Otolaryngology, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University), Shenzhen, China.

International Archives of Allergy and Immunology
|May 28, 2026
PubMed
Summary

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Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...

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Acta oto-laryngologica·2026

Central Compartment Atopic Disease (CCAD) is a distinct allergic chronic rhinosinusitis (CRS) subtype. This study reveals CCAD

Area of Science:

  • Immunology
  • Otolaryngology
  • Genomics

Background:

  • Central Compartment Atopic Disease (CCAD) is a phenotype of chronic rhinosinusitis (CRS) linked to allergies, but its pathology and molecular profile are unclear.
  • Understanding CCAD's distinct features is crucial for differentiating it from other CRS subtypes and optimizing treatment strategies.

Purpose of the Study:

  • To comprehensively evaluate the histopathological and transcriptomic profiles of CCAD.
  • To compare CCAD with other chronic rhinosinusitis phenotypes (CC and CRSwNP NOS).

Main Methods:

  • Retrospective analysis of 221 CRS patients across four phenotypes: CCAD, CC, and two CRSwNP NOS subgroups (NOS M≤E, NOS M>E).
  • Analysis included demographics, symptom scores, CT metrics, and histopathology.
  • RNA sequencing of nasal tissues (n=5 per group) to identify transcriptomic signatures and pathways.
Keywords:
Central compartment atopic diseaseChronic rhinosinusitisStructured histopathological featuresTranscriptomic profiling

Related Experiment Videos

Last Updated: May 31, 2026

Polycarbonate Ultracentrifuge Tube Re-Use in Proteomic Analyses of Extracellular Vesicles
02:36

Polycarbonate Ultracentrifuge Tube Re-Use in Proteomic Analyses of Extracellular Vesicles

Published on: March 8, 2024

Main Results:

  • CCAD patients showed higher allergic rhinitis prevalence (79.2%) and distinct histopathology (eosinophil-rich, stromal remodeling with fibrosis and gland hyperplasia).
  • Transcriptomics revealed a shared Type 2 inflammation signature with CC, but CCAD uniquely featured mast cell activation and macrophage cytokine pathways.
  • CCAD's stromal remodeling contrasted with epithelial changes in non-eosinophilic CRS subtypes.

Conclusions:

  • CCAD is a specialized Type 2 CRS endotype with central obstruction, allergic burden, and unique stromal remodeling.
  • While sharing origins with diffuse CC, CCAD has distinct pathophysiology involving mast cells and macrophages.
  • Further longitudinal studies are recommended to clarify its relationship with diffuse sinonasal disease.