Lymphocytes, neuropeptides, and genes involved in alopecia areata
J. Clin. Invest. Amos Gilhar, et al. 117:2019 doi:10.1172/JCI31942 [
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Figure 1AA clinical presentation, histology, and immunohistochemistry. (
A) AA and (
B) AA totalis. (
C–
F) Histology of AA: features include perifollicular and intrafollicular infiltrate of lymphocytes as well as dystrophy of the hair follicle (
C). Immunochemistry demonstrating follicular expression of HLA-A,B,C (Dako) (
D), HLA-DR (Biodesign) (
E), and CD54 (also known as ICAM-1; Biodesign) (
F). Original magnification, ×80 (
C–
E); ×160 (
F).
