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Related Experiment Video

Updated: Nov 2, 2025

Induction of Ocular Surface Inflammation and Collection of Involved Tissues
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IL-31, itch and hematological malignancies.

Eleonora Di Salvo1, Alessandro Allegra2, Marco Casciaro3

  • 1Department of Veterinary Sciences, University of Messina, 98168, Messina, Italy.

Clinical and Molecular Allergy : CMA
|June 13, 2021
PubMed
Summary

Interleukin-31 (IL-31) is a key mediator of cancer-related itching in patients. This cytokine is linked to itch severity and disease progression in certain cancers, particularly cutaneous T-cell lymphomas.

Keywords:
CancerCytokinesIL-31IL-33ItchMalignanciesPruritusSkin

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Area of Science:

  • Oncology
  • Immunology
  • Dermatology

Background:

  • Neoplastic pruritus (cancer-related itching) is a common and distressing symptom for cancer patients.
  • Its complex pathogenesis involves immune dysregulation and altered cytokine production.

Purpose of the Study:

  • To review the role of Interleukin-31 (IL-31) and its receptor (IL-31RA) in the development of neoplastic pruritus.
  • To explore the link between IL-31 and itching in oncologic diseases.

Main Methods:

  • Literature review of scientific articles.
  • Analysis of studies linking IL-31 to pruritus in cancer patients.

Main Results:

  • IL-31 is identified as a primary itch mediator in hematologic malignancies, especially cutaneous T-cell lymphomas.
  • Elevated IL-31 levels correlate positively with itch severity and disease stage.
  • IL-31 may influence cancer progression through its pro-inflammatory and immunomodulatory effects.

Conclusions:

  • IL-31 plays a significant role in the pathophysiology of neoplastic pruritus.
  • Targeting IL-31 may offer a therapeutic strategy for managing cancer-related itching.
  • Further research is crucial to understand IL-31's full impact on quality of life in cancer patients.