Sunlight triggers lupus flare-ups through ultraviolet radiation effects on skin cells
Current scientific literature supports the consensus that ultraviolet radiation acts as an environmental trigger that can induce skin cell damage and provoke flare-ups in lupus erythematosus.
The retrieved literature consistently supports the claim that ultraviolet radiation serves as an environmental trigger for lupus flare-ups, detailing the biological mechanisms involving skin cells, nucleic acid release, and immune system activation.
M Barbhaiya, KH Costenbader. Ultraviolet radiation and systemic lupus erythematosus. 2014. https://doi.org/10.1177/0961203314530488
Paper [0] notes that ultraviolet radiation exposure is a known environmental factor that may exacerbate pre-existing lupus.
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Kurz B, Klein B, Berneburg M, Meller S. [Ultraviolet radiation in the pathogenesis of lupus erythematosus].. 2024. https://doi.org/10.1007/s00105-024-05369-w
Paper [2] states that cutaneous and systemic lupus erythematosus flare-ups can be provoked by ultraviolet radiation.
Rashid R, Ramirez-Ortiz ZG. From Genes to Pathways: The Molecular Landscape of Systemic Lupus Erythematosus.. 2026. https://doi.org/10.3390/ijms27104552
Paper [4] indicates that environmental triggers like ultraviolet radiation initiate bursts of nucleic acid release and immune activation driving lupus pathogenesis.
Khosravi-Hafshejani T, Ali H, Lopes Almeida Gomes L, Werth VP. Environmental Exposures of Concern for Rheumatologists: Ultraviolet Radiation.. 2026. https://doi.org/10.1016/j.rdc.2025.09.006
Paper [5] highlights that ultraviolet radiation induces both local and systemic immune dysregulation through DNA damage and autoantigen exposure in lupus patients.
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