Eosinophils and Nerves in Atopic Dermatitis
Author Information
Author(s): Foster Erin L., Simpson Eric L., Fredrikson Lorna J., Lee James J., Lee Nancy A., Fryer Allison D., Jacoby David B.
Primary Institution: Oregon Health & Science University
Hypothesis
What is the role of eosinophils in the interaction with sensory nerves in atopic dermatitis?
Conclusion
Eosinophils are shown to increase sensory neuron branching, suggesting they play a significant role in the nerve growth associated with atopic dermatitis.
Supporting Evidence
- Eosinophils were found near nerves in the skin of patients with atopic dermatitis.
- Transgenic mice with increased eosinophils showed more nerves in the epidermis.
- In vitro, eosinophils increased the branching of sensory neurons.
Takeaway
Eosinophils, a type of immune cell, help nerves grow in the skin of people with atopic dermatitis, which might explain why they feel itchy.
Methodology
The study involved human skin biopsies from healthy volunteers and atopic dermatitis patients, as well as experiments with transgenic mice and co-cultures of eosinophils and sensory neurons.
Potential Biases
Potential bias due to the small sample size and the specific demographic of participants.
Limitations
The study did not identify the specific types of nerves that were increased in number.
Participant Demographics
Five healthy volunteers and six subjects with atopic dermatitis, all with a history of atopy.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website