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Youthful Stem Cell Microenvironments: Rejuvenating Aged Bone Repair Through Mitochondrial Homeostasis Remodeling.
Adv Sci (Weinh)
January 2025
Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, 215000, China.
Extracellular matrix (ECM) derived from mesenchymal stem cells regulates antioxidant properties and bone metabolism by providing a favorable extracellular microenvironment. However, its functional role and molecular mechanism in mitochondrial function regulation and aged bone regeneration remain insufficiently elucidated. This proteomic analysis has revealed a greater abundance of proteins supporting mitochondrial function in the young ECM (Y-ECM) secreted by young bone marrow-derived mesenchymal stem cells (BMMSCs) compared to the aged ECM (A-ECM).
View Article and Find Full Text PDFDementia and Emergency Department Use in Older Adults With Systemic Lupus Erythematosus: An Administrative Claims Data Analysis of Medicare Beneficiaries.
J Clin Rheumatol
November 2024
Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA.
Background/objective: Systemic lupus erythematosus (SLE) is associated with increased dementia risk. Whether this association is present among older adults with SLE is unclear. Further, whether individuals with concomitant SLE and dementia are at increased risk of emergency department (ED) use has not been explored.
View Article and Find Full Text PDFPredictors of Venous Thromboembolism Following Geriatric Distal Femur Fracture Fixation: Are These Patients at Higher Risk Compared With Hip Fracture Patients?
J Am Acad Orthop Surg Glob Res Rev
January 2025
From the Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, CT.
Introduction: Venous thromboembolism (VTE) following injury and subsequent fixation of a distal femur fracture (DFFx) is associated with considerable morbidity. However, the incidence of VTE, associated factors, and the relative risk compared with hip fracture (HFx) fixation remains poorly characterized.
Methods: Retrospective cohort study using the PearlDiver M165 database to identify geriatric patients who underwent DFFx and HFx fixation.
Estimated pulse wave velocity associated with cognitive phenotypes in a rural older population in China: A cohort study.
Alzheimers Dement
January 2025
Department of Neurology, Shandong Provincial Hospital affiliated to Shandong First Medical University, Jinan, Shandong, P. R. China.
Introduction: To examine the longitudinal association between estimated pulse wave velocity (ePWV) and cognitive phenotypes in a rural Chinese older population.
Methods: This population-based study included 1857 dementia-free participants (age ≥60 years) who were examined in 2014 and followed in 2018. ePWV was calculated using age and mean blood pressure (MBP).
Immunoinfiltration Analysis of Mitochondrial Damage-Related Genes in Lung Adenocarcinoma and Construction of a Classification and Prognostic Model Integrated With WGCNA and Machine Learning Algorithms.
Cancer Med
January 2025
Department of Respiratory Medicine, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, People's Republic of China.
Background: Lung adenocarcinoma (LUAD) exhibits molecular heterogeneity, with mitochondrial damage affecting progression. The relationship between mitochondrial damage and immune infiltration, and Weighted Gene Co-expression Network Analysis (WGCNA)-derived biomarkers for LUAD classification and prognosis, remains unexplored.
Aims: The objective of our research is to identify gene modules closely related to the clinical stages of LUAD using the WGCNA method.
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