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Major Adverse Kidney Events in Hospitalized Older Patients With Acute Kidney Injury: Machine Learning-Based Model Development and Validation Study.
J Med Internet Res
January 2025
Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, The Second Xiangya Hospital of Central South University, Changsha, China.
Background: Acute kidney injury (AKI) is a common complication in hospitalized older patients, associated with increased morbidity, mortality, and health care costs. Major adverse kidney events within 30 days (MAKE30), a composite of death, new renal replacement therapy, or persistent renal dysfunction, has been recommended as a patient-centered endpoint for clinical trials involving AKI.
Objective: This study aimed to develop and validate a machine learning-based model to predict MAKE30 in hospitalized older patients with AKI.
Assessment of the effects of harvesting period of Clusia fluminensis Planch & Triana fruits on neutralization of the toxic activities of Bothrops jararacussu snake venom.
Chem Biodivers
January 2025
Federal Fluminense University: Universidade Federal Fluminense, Molecular and Cellular Biology, . Prof. Marcos Waldemar de Freitas Reis - São Domingos, Bloco M, Campus Gragoatá, 24210-201, Niteroi, BRAZIL.
Snakebite envenomation is a public health issue that can lead to mortality and physical consequences. It is estimated that 5.4 million venomous snake bites occur annually, with 130,000 deaths and 400,000 amputations.
View Article and Find Full Text PDFMitochondrial DNA lineages determine tumor progression through T cell reactive oxygen signaling.
Proc Natl Acad Sci U S A
January 2025
Center for Mitochondrial and Epigenomic Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA 19104.
Mitochondrial DNA (mtDNA) is highly polymorphic, and host mtDNA variation has been associated with altered cancer severity. To determine the basis of this mtDNA-cancer association, we analyzed conplastic mice with the C57BL/6J (B6) nucleus but two naturally occurring mtDNA lineages, and , where mitochondria generate more oxidative phosphorylation (OXPHOS)-derived reactive oxygen species (mROS). In a cardiac transplant model, Foxp3+ T regulatory (Treg) cells supported long-term allograft survival, whereas Treg cells failed to suppress host T effector (Teff) cells, leading to acute rejection.
View Article and Find Full Text PDFIntroduction: This study aimed to evaluate the predictive validity and discriminatory ability of clinical outcomes, inflammatory activity, oxidative and vascular damage, and metabolic mechanisms for detecting significant improve maximum heart rate after physical activity training in individuals with psychiatric disorders and obesity comorbid using a longitudinal design and transdiagnostic perspective.
Methods: Patients with major depressive disorder, bipolar disorder and, schizophrenia and with comorbid obesity (n = 29) were assigned to a 12-week structured physical exercise program. Peripheral blood biomarkers of inflammation, oxidative stress, vascular mechanisms, and metabolic activity, as well as neurocognitive and functional performance were assessed twice, before and after intervention.
Higher serotonin levels among patients with rheumatoid arthritis, psoriatic arthritis, and axial spondyloarthritis compared to healthy controls assessed by liquid chromatography-tandem mass spectrometry (LC-MS).
Rheumatol Int
January 2025
Department of Rheumatology and Immunology, Jagiellonian University Medical College, Jakubowskiego 2, Kraków, 30-688, Poland.
Growing evidence suggests that serotonin is an important mediator in the cross-talk between immune and bone cells, playing a role in the pathogenesis of various types of inflammatory arthritis (IA). However, the relationship between circulating serotonin and different outcomes in three most prevalent IA - rheumatoid arthritis (RA), psoriatic arthritis (PsA), and axial spondyloarthritis (axSpA), remains limited and requires further investigation. This study was performed to evaluate variations in serotonin serum levels among RA, PsA, and axSpA and to explore the utility of this biochemical marker in the assessment of disease activity and health status measurements provided by the Multi-Dimensional Health Assessment Questionnaire (MDHAQ).
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