March 1, 2024
urticaria market

Mathematical Dermatology: Understanding The Mechanism Of Urticaria Based On Eruption Shapes

Researchers from the Kyoto University Institute for the Advanced Study of Human Biology have utilized mathematical modeling to unravel the mechanism behind urticaria, a common skin disease characterized by the appearance of skin eruptions known as wheals. Urticaria, also known as hives, affects approximately one in five people during their lifetime, often persisting for years or even decades. This human-specific disease, known as chronic spontaneous urticaria (CSU), poses challenges in understanding its pathogenesis due to the lack of appropriate animal models and limited clinical data.

The researchers integrated intravascular and extravascular dynamics using in vitro experimental data to analyze the various shapes of skin eruptions. By doing so, they were able to classify the eruption patterns into five potential types. This classification was based on the relations between tissue factor and histamine dynamics of mast cells, which induce wheal formation by acting on blood vessels.

To further validate their mathematical model, the researchers developed the Criteria for Classification of Eruption Geometry (EGe criteria) and applied them to 105 patients diagnosed with CSU. The results showed a high reliability of 87.6% when the classifications were analyzed by dermatologists.

This groundbreaking study sheds light on the pathophysiology of urticaria based on eruption morphology, opening doors for alternative treatment methods. Patients could potentially contribute to their own diagnosis by providing photos of their skin eruptions to determine the underlying cause. Additionally, the effectiveness of treatment could be monitored over time. The use of mathematical models in understanding human-specific diseases, where animal models are unavailable, shows great promise in advancing the field of dermatology.

The research team hopes that their work will pioneer the field of mathematical dermatology, a multidisciplinary research area that combines mathematical science and clinical dermatology. This innovative approach aims to elucidate the pathophysiology of skin diseases and develop new strategies for managing challenging dermatological conditions. Mathematical modeling has the potential to revolutionize the diagnosis and treatment of intractable skin diseases such as urticaria.


  1. Source: Coherent Market Insights, Public sources, Desk research
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