Six of 284 patients treated with infliximab developed active tuberculosis. Four (67%) of these patients had a paradoxical response to antituberculous therapy. Physicians should be aware of the increased risk of a paradoxical response in this population and should consider the use of corticosteroids when a paradoxical reaction is suspected.
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http://dx.doi.org/10.1086/427941 | DOI Listing |
FASEB Bioadv
January 2025
Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics The First Dongguan Affiliated Hospital, Guangdong Medical University Dongguan Guangdong China.
Copper is a vital trace element crucial for mediating interactions between and macrophages. Within these immune cells, copper modulates oxidative stress responses and signaling pathways, enhancing macrophage immune functions and facilitating clearance. Conversely, copper may promote escape from macrophages through various mechanisms: inhibiting macrophage activity, diminishing phagocytic and bactericidal capacities, and supporting survival and proliferation.
View Article and Find Full Text PDFCancer Discov
January 2025
Princess Margaret Cancer Centre, Toronto, ON, Canada.
Epigenetic therapies facilitate transcription of immunogenic repetitive elements that cull cancer cells through 'viral mimicry' responses. Paradoxically, cancer-initiating events also facilitate transcription of repetitive elements. Contributions of repetitive element transcription towards cancer initiation, and the mechanisms by which cancer cells evade lethal viral mimicry responses during tumor initiation remain poorly understood.
View Article and Find Full Text PDFbioRxiv
December 2024
Department of Microbiology, Immunology, and Molecular Genetics, UCLA David Geffen School of Medicine; Los Angeles, CA 90095.
Type 1 Diabetes Mellitus (T1D) is an autoimmune disease caused by unremitting immune attack on pancreas insulin-producing beta cells. Persistence of the autoimmune response is mediated by TCF1+ Ly108+ progenitor CD8+ T (T) cells, a stem-like population that gives rise to exhausted effectors with limited cytolytic function in chronic virus infection and cancer. What paradoxically drives T conversion to highly cytolytic effectors in T1D, however, remains unclear.
View Article and Find Full Text PDFPeerJ
January 2025
School of Applied Sciences and Arts, College of Integrative Sciences and Arts, Arizona State University, Mesa, AZ, United States of America.
The need for renewable energy has become increasingly evident in response to the climate change crisis, presenting a paradoxical challenge to biodiversity conservation. The Southwest United States is desirable for large-scale solar energy development (SED) due to its high global horizontal irradiance (GHI) values and vast open landscapes. However, this region is also rich in unique ecological and biological diversity.
View Article and Find Full Text PDFJ Immunother Cancer
January 2025
Department of Microbiology and Immunology, McGill University, Montreal, Quebec, Canada
Background: Immune checkpoint inhibitors targeting programmed cell death protein-1 (PD-1) are the first line of treatment for many solid tumors including melanoma. PD-1 blockade enhances the effector functions of melanoma-infiltrating CD8 T cells, leading to durable tumor remissions. However, 55% of patients with melanoma do not respond to treatment.
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