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Suppressor cell decrease in alopecia areata.

G N Ledesma, K K York

Archives of Dermatological Research

|January 1, 1982

Summary

This summary is machine-generated.

Alopecia areata patients show a significant decrease in T-suppressor cells, indicating a potential immune system impairment. This finding suggests a loss of immune tolerance, possibly leading to autoimmunity in this condition.

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Area of Science:

Immunology
Dermatology

Background:

Alopecia areata is a condition with suspected autoimmune involvement.
T cells are crucial regulators of the immune system.

Purpose of the Study:

To investigate the role of T helper (OKT-4) and T suppressor (OKT-8) cells in alopecia areata.
To measure other immune parameters in patients with alopecia areata.

Main Methods:

Peripheral blood samples were collected from patients with active and stable alopecia areata and controls.
Flow cytometry was used to quantify T helper and T suppressor cells.
Total T cells, B cells, immunoglobulins, and autoantibodies were also measured.

Main Results:

A highly significant decrease in T-suppressor cells (OKT-8) was observed in alopecia areata patients (P < 0.001).

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Two out of ten patients had detectable microsomal antibodies.

Three out of ten patients exhibited elevated IgE levels.

Conclusions:

The reduction in T-suppressor cells suggests impaired immune regulation in alopecia areata.
This impairment may lead to a loss of self-tolerance and contribute to the autoimmune nature of the condition.