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Triangular Fibrocartilage Complex: An Anatomical and Medical Illustration Study.
Clin Anat
January 2025
Department of Neurosurgery, Tulane University School of Medicine, New Orleans, Louisiana, USA.
Recent advances in small-joint arthroscopy and cutting-edge magnetic resonance imaging systems have enabled orthopedic surgeons to perform more complex repairs of the wrist. Such repairs can include those of the triangular fibrocartilage complex (TFCC) of the wrist that necessitates a reappraisal of its morphometry with special emphasis on the relationship between its articular disc (AD) and surrounding tissues. The TFCC AD is a fibrocartilaginous, biconcave structure located between the ulnar styloid process and the carpal bones of the wrist.
View Article and Find Full Text PDFTailoring and characterization of bioactive graft material for alveolar bone preservation and regeneration in fresh extraction sockets of dog model.
Sci Rep
January 2025
Tissue Engineering Laboratories, Faculty of Dentistry, Alexandria University, Alexandria, Egypt.
The objective of this study was to tailor an osteoinductive scaffold for alveolar bone regeneration and around immediately placed implants in extraction sockets of dogs. Tailored amorphous multiporous bioactive glass (TAMP -BG) was prepared and characterized for bioactivity and response of human alveolar bone marrow mesenchymal stem cells (hABMSCs). Extraction sockets of twenty-two male mongrel dogs received TAMP-BG in the right side around implant in the distal socket of the mandibular fourth premolar (P4), while the adjacent empty mesial socket of the same tooth was filled with the same graft.
View Article and Find Full Text PDFKeyhole Mini-Pterional Craniotomy for Clipping of Bilateral Middle Cerebral Artery Aneurysms.
World Neurosurg
January 2025
Department of Neurological Surgery, St. John's Neuroscience Institute, Tulsa, OK. Electronic address:
Middle cerebral artery (MCA) aneurysms remain excellent candidates for microsurgical treatment, despite proliferation of new endovascular tools. Nonetheless, patients desire less invasive options for permanent, durable treatment of their aneurysms; this is particularly the case for those presenting without subarachnoid hemorrhage, and those with multiple aneurysms that may require several surgical approaches. Keyhole craniotomies, when properly utilized in well-selected patients, allow for minimally invasive treatment of both ruptured and unruptured cerebral aneurysms, including those harboring bilateral aneurysms which may be treated from a single approach.
View Article and Find Full Text PDFOptimization of the acceleration of compression sensing in whole-heart contrast-free coronary magnetic resonance angiography.
J Cardiovasc Magn Reson
January 2025
Philips Healthcare, Beijing 100600, China.
Background: This study aims to identify optimal acceleration factors (AFs) for compressed sensing (CS) technology to enhance its clinical application for suspected coronary artery disease (CAD) in whole-heart non-contrast coronary magnetic resonance angiography (CMRA).
Methods: Two hundred and seventeen individuals with suspected CAD underwent whole-heart non-contrast CMRA on a 1.5-T CMR scanner with CS AFs of 2, 4, and 6 (CS2, CS4, and CS6).
Developing a highly efficient 4-hydroxyphenylacetate-3-hydroxylase for salvianic acid A synthesis by computer-aided molecular modification.
Int J Biol Macromol
January 2025
Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China; School of Biological and Chemical Engineering, NingboTech University, Ningbo 315100, China; Jinhua Advanced Research Institute, Jinhua 321019, China. Electronic address:
Salvianic acid A (SAA) is a catechol compound known for its diverse physiochemical functions and has significant applications in the food and pharmaceutical industries. 4-Hydroxyphenylacetate-3-hydroxylase (4HPA3H) is a critical enzyme for SAA biosynthesis, and improving its activity towards p-hydroxyphenyllactate acid (4HPLA) is essential for highly efficient SAA production in stable biosynthetic pathways. To address this, the distal site and loops of the substrate pocket were modified to improve 4HPA3H catalytic activity towards 4HPLA using computer-aided molecular modification methods.
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