While corticosteroids and a limited number of nonsteroidal agents have formed the basis for United States Food and Drug Administration (FDA)-approved topical treatments of plaque psoriasis, there remains a need for efficacious nonsteroidal topical therapies in patients with psoriasis who cannot tolerate, do not respond well to, or wish to avoid topical corticosteroid therapy. Aryl hydrocarbon receptor (AhR) modulation has been shown to be an effective mechanism of action in the topical treatment of psoriasis. Currently there is only one FDA-approved, nonsteroidal, topical AhR modulating agent for the treatment of psoriasis. This educational activity seeks to broaden the treatment knowledge of the practicing dermatology community and inform them on the use of topical AhR modulating therapy as an addition to the advancing treatment armamentarium for patients with psoriasis.
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J Transl Med
January 2025
Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China.
Background: The small intestine harbors a rich array of intestinal intraepithelial lymphocytes (IELs) that interact with structural cells to collectively sustain gut immune homeostasis. Dysregulation of gut immune homeostasis was implicated in the pathogenesis of multiple autoimmune diseases, however, whether this homeostasis is disrupted in a lupus autoimmune background remains unclear.
Methods: We performed single-cell RNA sequencing (scRNA-seq) analyses to elucidate immune and structural milieu in the intestinal epithelium of MRL/Lpr lupus mice (Lpr mice) and MRL/Mpj control mice (Mpj mice).
Microbiol Spectr
January 2025
Marine Chemistry & Geochemistry Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA.
Unlabelled: The mummichog, , an abundant estuarine fish broadly distributed along the eastern coast of North America, has repeatedly evolved tolerance to otherwise lethal levels of aromatic hydrocarbon exposure. This tolerance is linked to reduced activation of the aryl hydrocarbon receptor (AHR) signaling pathway. In other animals, the AHR has been shown to influence the gastrointestinal-associated microbial community, particularly when activated by the model toxic pollutant 3,3',4,4',5-pentachlorobiphenyl (PCB-126) and other dioxin-like compounds.
View Article and Find Full Text PDFCell Biochem Funct
February 2025
Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China.
The aryl hydrocarbon receptor (AhR), a ligand-activated transcription factor, is extensively expressed in diverse human organs and plays a pivotal role in mediating the onset, progression, and severity of numerous diseases. Recent research has explored the substantial impact of AhR on skin homeostasis and related pathologies. As a multi-layered organ, the skin comprises multiple cell populations that express AhR.
View Article and Find Full Text PDFBiochemistry (Mosc)
December 2024
Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia.
The auxin-inducible degron (AID) system is widely used to study function of various proteins. The plant hormone auxin is used as an inducer in this system, which easily penetrates into the cells and causes proteasomal degradation of the protein of interest fused to a small degron tag. It is often assumed that as a plant hormone, auxin does not significantly affect physiology of animal cells.
View Article and Find Full Text PDFEnviron Res
January 2025
Man-Technology-Environment Research Center (MTM), Örebro University, Örebro SE-701 82, Sweden.
As the volume of plastic waste from electrical and electronic equipment (WEEE) continues to rise, a significant portion is disposed of in the environment, with only a small fraction being recycled. Both disposal and recycling pose unknown health risks that require immediate attention. Existing knowledge of WEEE plastic toxicity is limited and mostly relies on epidemiological data and association studies, with few insights into the underlying toxicity mechanisms.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!