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Monocyte STAT1 phosphorylation and treatment response of JAK inhibitors in chronic nonbacterial osteomyelitis.
Pediatr Rheumatol Online J
January 2025
Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan.
Background: Chronic nonbacterial osteomyelitis (CNO) is a rare autoinflammatory disease of unknown cause, predominantly affecting teens and young adults. The early diagnosis and management are challenging due to the lack of reliable diagnostic markers and the occasional intractable cases despite conventional anti-inflammatory treatments. Janus kinase (JAK) inhibitors have recently shown potential utility; however, reports on their use for pediatric patients with CNO remain limited, and no established biomarkers exist to monitor disease activity.
View Article and Find Full Text PDFNeutrophil-to-Lymphocyte Ratio and System Score Could Predict the Occurrence of Macrophage Activation Syndrome in Patients with Adult-Onset Still's Disease.
J Coll Physicians Surg Pak
January 2025
Department of Rheumatology and Immunology, The Second Affiliated Hospital of Anhui Medical University, Anhui, China.
Objective: To investigate the characteristics of Adult-onset Still's disease (AOSD) patients with macrophage activation syndrome (MAS) and explore the risk factors for the development of MAS.
Study Design: A case-control study. Place and Duration of the Study: Department of Rheumatology and Immunology, the Second Hospital of Anhui Medical University, Anhui, China, from January 2008 to June 2024.
Flow cytometry-based monitoring of myeloid-derived suppressor cells in the peripheral blood of patients with solid tumors.
Methods Cell Biol
January 2025
Translational Radiobiology, Department of Radiation Oncology, Uniklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany; Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany; FAU Profile Center Immunomedicine (FAU I-MED), Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Schlossplatz 1, Erlangen, Germany.
Myeloid-derived suppressor cells (MDSCs) ameliorate inflammation by inhibiting T cell responses. In pathological conditions, such as autoimmunity, chronic infections or cancer they accumulate in the periphery. In cancer, MDSCs can also be part of the tumor microenvironment and are associated with a worse prognosis and limited response to immunotherapy.
View Article and Find Full Text PDFTicam2 ablation facilitates monocyte exhaustion recovery after sepsis.
Sci Rep
January 2025
Department of Biological Sciences, Virginia Tech, Blacksburg, VA, 24061-0910, USA.
Sepsis is a leading cause of death worldwide, with most patient mortality stemming from lingering immunosuppression in sepsis survivors. This is due in part to immune dysfunction resulting from monocyte exhaustion, a phenotype of reduced antigen presentation, altered CD14/CD16 inflammatory subtypes, and disrupted cytokine production. Whereas previous research demonstrated improved sepsis survival in Ticam2 mice, the contribution of TICAM2 to long-term exhaustion memory remained unknown.
View Article and Find Full Text PDFMacrophage Polarisation During Leishmania (Viannia) braziliensis Infection in Mice.
Parasite Immunol
January 2025
Departamento de Biologia Animal, Instituto de Biologia, Universidade de Campinas (UNICAMP), Campinas, Brazil.
Leishmania (Viannia) braziliensis causes cutaneous and mucocutaneous leishmaniasis. Macrophages are host cells for parasite replication and act as effector cells against the parasite. The two main macrophage phenotypes (M1 and M2) and their polarisation states have been implicated in Leishmania infection despite scarce data on L.
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