This study observed two distinct groups of alopecia areata lesions based on PD-1 expression in T cells from biopsied skin samples, suggesting potential differences in subtypes or stages of the disease that warrant further investigation.
April 2023 in “Journal of Investigative Dermatology” This study found that in biopsied skin samples of alopecia areata, a lower anagen/telogen ratio was associated with increased T cell infiltration, and enhancing the PD-1/PD-L1 axis may inhibit CD8+T cell infiltration and improve the condition.
12 citations
,
March 2021 in “JAAD Case Reports” This study reported that immunotherapy in cancer patients can lead to skin-related immune adverse events, such as rashes, pruritus, and vitiligo, affecting a substantial proportion of patients.
53 citations
,
September 2013 in “Journal of Investigative Dermatology” This study suggests that cultured hair follicle dermal sheath cup cells exhibit immune privilege properties, partly through the expression of PD-L1, which impacts co-cultured immune cells' behavior.
19 citations
,
October 2016 in “Journal of oncology pharmacy practice” In this study, the first case of a persistent curly hair phenotype was reported with nivolumab treatment in a patient with metastatic squamous cell lung cancer.
