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http://dx.doi.org/10.1111/dth.13340 | DOI Listing |
Sci Rep
January 2025
Department of Dermatology, University of Maryland School of Medicine, 419 West Redwood Street, Suite 235, Baltimore, MD, 21201, USA.
Erythroderma is a severe and heterogeneous inflammatory skin condition with little guidance on the approach to management in cases of unknown etiology. To guide therapeutic selection, we sought to create an immunophenotyping platform able to identify aberrant cell populations and cytokines in subtypes of erythroderma. We performed high-parameter flow cytometry on peripheral blood mononuclear cells (PBMCs) and whole blood of a patient with refractory idiopathic erythroderma, erythrodermic patients with Sézary syndrome and pityriasis rubra pilaris, and healthy controls.
View Article and Find Full Text PDFJ Allergy Clin Immunol
December 2024
Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY. Electronic address:
Background: Chronic erythroderma is a potentially life-threatening condition that can be caused by various diseases, but approximately 30% of cases remain idiopathic, often with insufficient treatment options.
Objective: We sought to establish a molecular disease map of chronic idiopathic erythroderma (CIE).
Methods: We performed single-cell RNA sequencing combined with T-cell receptor sequencing of blood and skin from 5 patients with CIE and compared results with 8 cases of erythrodermic cutaneous T-cell lymphoma (eCTCL), 15 cases of moderate to severe atopic dermatitis, 10 cases of psoriasis, and 20 healthy control individuals.
J Dermatol
November 2024
Department of Dermatology, Fukushima Medical University, Fukushima, Japan.
Erythroderma is the end-stage condition caused by various inflammatory diseases, presenting with widespread generalized coalesced erythema on the trunk and extremities. Erythroderma is not a disease itself, but rather is a symptom expressing erythrodermic condition, which is frequently associated with inguinal lymphadenopathy, chills, and mild fever. The clinical characteristics include sparing the folds of the trunk and extremities (deck-chair sign), and cobblestone-like disseminated grouping prurigo; however, the deck-chair sign is not specific to papulo-erythroderma (Ofuji disease).
View Article and Find Full Text PDFJ Clin Med
January 2024
Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, 50-368 Wroclaw, Poland.
Erythroderma is a condition characterized by erythema affecting at least 90% of the skin surface area. It can be caused by various underlying conditions. Due to nonspecific clinical and laboratory findings, determining the cause may pose a challenge.
View Article and Find Full Text PDFInt J Mol Sci
February 2023
Laboratory of Medical Investigation LIM 56, Tropical Medicine Institute of São Paulo, University of São Paulo Medical School, São Paulo 05403-000, Brazil.
Sézary syndrome (SS) is a rare and aggressive type of cutaneous T-cell lymphoma, with an abnormal inflammatory response in affected skin. The cytokines IL-1B and IL-18, as key signaling molecules in the immune system, are produced in an inactive form and cleave to the active form by inflammasomes. In this study, we assessed the skin, serum, peripheral mononuclear blood cell (PBMC) and lymph-node samples of SS patients and control groups (healthy donors (HDs) and idiopathic erythroderma (IE) nodes) to investigate the inflammatory markers IL-1B and IL-18 at the protein and transcript expression levels, as potential markers of inflammasome activation.
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