SnapshotDx Quiz: April 2022
March 2022
in “
Journal of Investigative Dermatology
”
Discoid Lupus Erythematosus DLE erythematous plaques alopecic patches IFN-1s cutaneous lupus erythematosus CLE senescent cells p16 p21 Jak/STAT pathway antimalarial drugs squamous cell carcinoma Discoid Lupus hair loss patches inflammatory plaques interferon type 1 lupus skin conditions senescent markers Jak/STAT signaling antimalarials skin cancer
Studysummary In this study, Wang et al. (2022) found that in patients with cutaneous lupus erythematosus, chronic lesions contained more senescent progenitor cells, marked by p16 and p21, than subacute lesions, suggesting a link between disease chronicity and cellular senescence. Our plain-language summary of this paper — not a Tressless recommendation.
The document is a quiz from the Journal of Investigative Dermatology that focuses on diagnosing discoid lupus erythematosus (DLE) using clinical and dermatoscopic images. It highlights that DLE is characterized by erythematous plaques on the scalp leading to alopecic patches and discusses the role of IFN-1s in cutaneous lupus erythematosus (CLE) inflammation. The quiz emphasizes the effectiveness of antimalarial drugs in treating CLE and notes the low incidence (2-3%) of squamous cell carcinoma in DLE lesions. Additionally, it discusses the accumulation of senescent cells, marked by p16 and p21, in CLE lesions, particularly in chronic discoid lupus erythematosus (CDLE), which is linked to increased inflammation due to the secretion of proinflammatory cytokines and chemokines.
