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Background: Among peanut-allergic individuals, there is high variability in the amount of peanut that triggers reactions (i.e., reaction threshold) that is not predictable or well-understood.

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Solid organ transplant recipients (SOTRs) suffer more frequent and more severe infections due to their compromised immune responses resulting from immunosuppressive treatments designed to prevent organ rejection. Pharmacological immunosuppression can adversely affect immune responses to vaccination. A cohort of kidney transplant recipients (KTRs) received their third dose of ancestral, monovalent COVID-19 vaccine in the context of a clinical trial and antibody responses to the vaccine strain, as well as two Omicron variants BA.

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An Update on Multi-System Inflammatory Syndrome in Children.

Curr Rheumatol Rep

January 2025

Division of Rheumatology, Department of Pediatrics, The Warren Alpert Medical School of Brown University, 593 Eddy Street, Providence, RI, 02903, USA.

Purpose: To summarize the latest research on the epidemiology, pathogenesis, diagnosis, and treatment of multisystem inflammatory syndrome in children (MIS-C).

Recent Findings: The epidemiology of MIS-C has been dynamic since its initial description. The pathogenesis remains poorly understood.

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Costimulation blockade: the next generation.

Curr Opin Organ Transplant

January 2025

Division of Nephrology, Virginia Commonwealth University, Richmond, Virginia, USA.

Purpose Of The Review: Calcineurin inhibitors (CNIs) are central to immunosuppression in kidney transplantation (KT), improving short-term outcomes but falling short in enhancing long-term outcomes due to cardiovascular, metabolic, and renal complications. Belatacept, an FDA-approved costimulation blocker, offers a less toxic alternative to CNIs but is limited by its intravenous administration and reduced efficacy in high-immunological-risk patients.

Recent Findings: Emerging therapies target more specific pathways to improve efficacy and accessibility.

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Background: Chronic Transforming Growth Factor Beta 1 (TGF-β1) plays a critical role in tissue remodelling and immunological modulation, which may contribute to the severity and recurrence of Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Despite extensive research on CRSwNP, the exact role and pathological significance of TGF-β1 in CRSwNP remain poorly understood due to inconsistencies in study methodologies and findings.

Aims/objectives: To resolve discrepancies in the literature, this systematic review compares the levels of TGF-β1 in CRSwNP tissue to controls and Chronic Rhinosinusitis without Nasal Polyps (CRSsNP).

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