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The molecular mechanism of nitric oxide in memory consolidation and its role in the pathogenesis of memory-related disorders.
Neurogenetics
January 2025
Department of Surgery, Surgical Research Section, Hamad Medical Corporation, Doha, Qatar.
Memory is a dynamic process of encoding, storing, and retrieving information. It includes sensory, short-term, and long-term memory, each with unique characteristics. Nitric oxide (NO) is a biological messenger synthesized on demand by neuronal nitric oxide synthase (nNOS) through a biochemical process initiated by glutamate binding to NMDA receptors, causing membrane depolarization and calcium influx.
View Article and Find Full Text PDFExtrusion-Based Printing of Myoblast-Loaded Fibrin Microthreads to Induce Myogenesis.
J Funct Biomater
January 2025
Department of Biomedical Engineering, Worcester Polytechnic Institute, Worcester, MA 01609, USA.
Large skeletal muscle injuries such as volumetric muscle loss (VML) disrupt native tissue structures, including biophysical and biochemical signaling cues that promote the regeneration of functional skeletal muscle. Various biofabrication strategies have been developed to create engineered skeletal muscle constructs that mimic native matrix and cellular microenvironments to enhance muscle regeneration; however, there remains a need to create scalable engineered tissues that provide mechanical stability as well as structural and spatiotemporal signaling cues to promote cell-mediated regeneration of contractile skeletal muscle. We describe a novel strategy for bioprinting multifunctional myoblast-loaded fibrin microthreads (myothreads) that recapitulate the cellular microniches to drive myogenesis and aligned myotube formation.
View Article and Find Full Text PDFNatural Polysaccharide-Based Hydrogels for Accelerating Hemostasis.
Gels
January 2025
School of Pharmacy, Anhui Medical University, Hefei 230032, China.
Most of the existing hydrogel dressings have inadequacies in mechanical performance, biological activities, compatibility, or versatility, which results in the development of rapid, green, and cost-effective approaches for hydrogels in biochemical and biomedical applications becoming a top-priority task. Herein, inspired by the inherent bioactivity, water retention properties, and biocompatibility of natural polysaccharide hydrogels, we have prepared self-healing gels. Using polysaccharide (BSP), carboxymethyl chitosan (CMCS), and borax via borate ester linkages, we created hemostatic and self-healing Chinese herbal medicine hydrogels in varying concentrations (2.
View Article and Find Full Text PDFCurrent Status of Bioprinting Using Polymer Hydrogels for the Production of Vascular Grafts.
Gels
December 2024
Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague, 27201 Kladno, Czech Republic.
Cardiovascular disease is one of the leading causes of death and serious illness in Europe and worldwide. Conventional treatment-replacing the damaged blood vessel with an autologous graft-is not always affordable for the patient, so alternative approaches are being sought. One such approach is patient-specific tissue bioprinting, which allows for precise distribution of cells, material, and biochemical signals.
View Article and Find Full Text PDFEvaluating [Ga]-Ga PSMA PET/CT for Detecting Prostate Cancer Recurrence Post-High-Intensity Focused Ultrasound and Brachytherapy: A Single-Center Retrospective Study.
Curr Oncol
December 2024
Nuclear Medicine, Alma Mater Studiorum, University of Bologna, Via Massarenti 9, 40138 Bologna, Italy.
Focal therapy offers a promising approach for treating localized prostate cancer (PC) with minimal invasiveness and potential cost benefits. High-intensity focused ultrasound (HIFU) and brachytherapy (BT) are among these options but lack long-term efficacy data. Patient follow-ups typically use biopsies and multiparametric MRI (mpMRI), which often miss recurrences.
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