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Aortic valve repair with sinus plication for a regurgitant bicuspid aortic valve: a case report.
Gen Thorac Cardiovasc Surg Cases
January 2025
Osaka Metropolitan University Graduate School of Medicine, 1-4-3, Asahimachi, Abeno-Ku, Osaka, 545-8585, Japan.
Background: Repair of the regurgitant bicuspid aortic valve is an attractive alternative to valve replacement. Although good long-term outcomes have been reported, postoperative aortic stenosis remains a major late cause of repair failure in bicuspid aortic valves. Sinus plication is effective for creating a more symmetrical commissural angle, leading to a decrease in the mean transvalvular pressure gradient.
View Article and Find Full Text PDFMorphology of the Soft Palate Tonsil Mucosa of Collared Peccary (Pecari tajacu, Linnaeus, 1758).
Anat Histol Embryol
January 2025
Laboratório de Morfologia e Atividade Física, São Paulo State University, Rio Claro, São Paulo, Brazil.
Collared Peccary (Pecari tajacu, Linnaeus, 1758) is a mammalian Tayassuidae species from tropical to semi-arid areas. The morphological features of the oral cavity in this species were identified and described. Tonsils are secondary lymphoid organs essential for contact with antigens due to food and air intake.
View Article and Find Full Text PDFLongitudinal Trajectory of Dopamine and Serotonin Transporters in Parkinson Disease.
J Nucl Med
January 2025
Department of Neurology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea.
Parkinson disease (PD) is a multisystem disorder marked by progressive dopaminergic neuronal degeneration in the substantia nigra, as well as nondopaminergic systems. Our aim was to investigate longitudinal changes in -(3-[F]fluoropropyl-2β-carbomethoxy-3β-(4-iodophenyl)nortropane (F-FP-CIT) binding at the putamen, substantia nigra, and raphe nuclei in PD. This retrospective cohort study enrolled 127 patients with PD, who underwent F-FP-CIT PET scans twice or more, and 71 age- and sex-matched healthy controls.
View Article and Find Full Text PDFInfant mice fed soy-based formulas exhibit alterations in anxiety-like behaviours and the 5-HT system.
Toxicology
December 2024
Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole 10, Orbassano, Torino 10043, Italy; Department of Neuroscience 'Rita Levi Montalcini', University of Torino, Via Cherasco 15, Torino 10126, Italy. Electronic address:
Genistein (GEN) is a phytoestrogen with oestrogen-like activity found in many plants. Classified as an endocrine disruptor, GEN is potentially hazardous, particularly during developmental stages. It induces alterations in anxious behaviour, fertility, and energy metabolism, alongside modifications in specific brain circuits.
View Article and Find Full Text PDFAged mice show a reduction in 5-HT neurons and decreased cellular activation in the dentate gyrus when exposed to acute running.
Brain Struct Funct
December 2024
Laboratory of Molecular and Functional Neurobiology, Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, Av. Prof. Lineu Prestes, 1524, São Paulo, SP, 05508-000, Brazil.
Serotonin (5-HT) is an important neurotransmitter for cognition and neurogenesis in the dentate gyrus (DG), which occurs via movement stimulation such as physical activity. Brain 5-HT function changes secondary to aging require further investigation. We evaluated whether aged animals would present changes in the number of 5-HT neurons in regions such as the dorsal (DRN) and median (MRN) raphe nuclei and possible changes in the rate of cellular activation in the DG in response to acute running, as a reduction in 5-HT neurons could contribute to a decline in neuronal activation in the DG in response to physical activity in aged mice.
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