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Non-operative treatment in advanced atraumatic osteonecrosis of the humeral head in patients under 50 years old: an observational study.
Sci Rep
December 2024
Department of Orthopedic Surgery, Arthroscopy and Joint Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
The humeral head is the second most common anatomical site of osteonecrosis after the femoral head. Studies have reported satisfactory clinical outcomes after shoulder arthroplasty to treat osteonecrosis of the humeral head (ONHH). However, there are concerns regarding implant longevity in relatively young patients.
View Article and Find Full Text PDFColon-targeted engineered postbiotics nanoparticles alleviate osteoporosis through the gut-bone axis.
Nat Commun
December 2024
Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, China.
The potential for mitigating intestinal inflammation through the gut-bone axis in the treatment of osteoporosis is significant. While various gut-derived postbiotics or bacterial metabolites have been created as dietary supplements to prevent or reverse bone loss, their efficacy and safety still need improvement. Herein, a colon-targeted drug delivery system is developed using surface engineering of polyvinyl butyrate nanoparticles by shellac resin to achieve sustained release of postbiotics butyric acid at the colorectal site.
View Article and Find Full Text PDFBone Marrow Endothelial Progenitor Cells remodelling facilitates normal hematopoiesis during Acute Myeloid Leukemia Complete Remission.
Nat Commun
December 2024
Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Collaborative Innovation Center of Hematology, Peking University, Beijing, China.
Although acute myeloid leukemia (AML) affects hematopoietic stem cell (HSC)-supportive microenvironment, it is largely unknown whether leukemia-modified bone marrow (BM) microenvironment can be remodeled to support normal hematopoiesis after complete remission (CR). As a key element of BM microenvironment, endothelial progenitor cells (EPCs) provide a feasible way to investigate BM microenvironment remodeling. Here, we find reduced and dysfunctional BM EPCs in AML patients, characterized by impaired angiogenesis and high ROS levels, could be partially remodeled after CR and improved by N-acetyl-L-cysteine (NAC).
View Article and Find Full Text PDFMETTL14 Mediates m6A methylation to improve osteogenesis under oxidative stress condition.
Redox Rep
December 2025
Department of Clinical Laboratory, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China.
Objectives: Bone remodeling imbalance contributes to osteoporosis. Though current medications enhance osteoblast involvement in bone formation, the underlying pathways remain unclear. This study was aimed to explore the pathways involved in bone formation by osteoblasts, we investigate the protective role of glycolysis and N6-methyladenosine methylation (m6A) against oxidative stress-induced impairment of osteogenesis in MC3T3-E1 cells.
View Article and Find Full Text PDFMortality in Haemophilia Patients in India: A National Cohort Study.
Haemophilia
December 2024
Advanced Center for Oncology, Hematology and Rare Disorders (ACOHRD), K.J. Somaiya Super Speciality Hospital & Research Center, Somaiya Ayurvihar, Sion East, Mumbai, Maharashtra, India.
Introduction: Mortality and morbidity in persons with haemophilia (PWH) have decreased due to improved diagnosis and treatment along with comprehensive population outreach efforts, but the impact is not uniform in different countries.
Aim: The study aims to assess all-cause and intracranial haemorrhage (ICH)-specific mortality of PWH in India.
Methods: This is a retrospective, observational, multi-centric cohort study of 1020 haemophilia patients from three centres in India.
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