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Degradation products of magnesium implant synergistically enhance bone regeneration: Unraveling the roles of hydrogen gas and alkaline environment.
Bioact Mater
April 2025
Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology, Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China.
Biodegradable magnesium (Mg) implant generally provides temporary fracture fixation and facilitates bone regeneration. However, the exact effects of generated Mg ions (Mg), hydrogen gas (H), and hydroxide ions (OH) by Mg degradation on enhancing fracture healing are not fully understood. Here we investigate the degradation of Mg intramedullary nail (Mg-IMN), revealing the generation of these degradation products around the fracture site during early stages.
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Department of Radiology, Interventional Radiology Innovation at Stanford (IRIS), Stanford University School of Medicine, Palo Alto, California 94304, United States.
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Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN 37232, USA; Department of Anatomy, Cell Biology, & Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA. Electronic address:
Human and non-human primate studies clearly implicate the dorsolateral prefrontal cortex (dlPFC) as critical for advanced cognitive functions. It is thought that intracortical synaptic architectures within the dlPFC are the integral neurobiological substrate that gives rise to these processes. In the prevailing model, each cortical column makes up one fundamental processing unit composed of dense intrinsic connectivity, conceptualized as the "canonical" cortical microcircuit.
View Article and Find Full Text PDFA Focal Traumatic Injury to the Neonatal Rodent Spinal Cord Causes an Immediate and Massive Spreading Depolarization Sustained by Chloride Ions, with Transient Network Dysfunction.
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Neuroscience Department, International School for Advanced Studies (SISSA), Via Bonomea 265, Trieste, TS, Italy.
In clinics, physical injuries to the spinal cord cause a temporary motor areflexia below lesion, known as spinal shock. This topic is still underexplored due to the lack of preclinical spinal cord injury (SCI) models that do not use anesthesia, which would affect spinal excitability. Our innovative design considered a custom-made micro impactor that provides localized and calibrated strikes to the ventral surface of the thoracic spinal cord of the entire CNS isolated from neonatal rats.
View Article and Find Full Text PDFA novel technique to identify and thermally ablate the greater occipital nerve for patients with occipital neuralgia: a retrospective study with cadaveric and validation.
Ann Transl Med
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Interventional Pain Program, University of Wisconsin, Madison, WI, USA.
Background: This manuscript presents the challenges of treating various forms of headaches and the potential of interventional techniques targeting the greater occipital nerve (GON) to alleviate the burden on patients. Occipital neuralgia, characterized by stabbing or shooting pain in the base of the skull, is often associated with primary, cervicogenic, or migraine headaches. While occipital nerve blocks offer temporary relief, durable treatment options are limited.
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