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Case Report: Nephrotic syndrome as the primary manifestation of Alport syndrome in a Chinese pediatric patient.
Front Pediatr
January 2025
Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, China.
Background: Alport syndrome (AS) is a genetically heterogeneous disorder resulting from variants in genes coding for the alpha-3/4/5 chains of Collagen IV, leading to defective basement membranes in the kidney, cochlea, and eye. The clinical manifestations of AS vary in patients. Cases of childhood AS caused by presenting primarily with nephrotic syndrome (NS) are rarely reported.
View Article and Find Full Text PDFEarly ultrastructural damage in retina and optic nerve following intraocular pressure elevation.
Vision Res
January 2025
Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
Elevated intraocular pressure (IOP) is a significant risk factor for glaucoma, causing structural and functional damage to the eye. Increased IOP compromises the metabolic and structural integrity of retinal ganglion cell (RGC) axons, leading to progressive degeneration and influencing the ocular immune response. This study investigated early cellular and molecular changes in the retina and optic nerve (ON) following ocular hypertension (OHT).
View Article and Find Full Text PDFGold nanoparticles and induction of structural alteration and enhanced oxidative stress in rat lens.
Food Chem Toxicol
January 2025
Department of Histology, Kasr Al-ainy Faculty of Medicine, Cairo University, Egypt. Electronic address:
There is an emerging wide use of nanotechnology in the medical fields. The information regarding distribution and clearance of gold nanoparticles (AuNPs) in the ocular tissue is insufficient. We investigated the cumulative effect of AuNPs on rat lens structure and their effect on the redox state and aquaporin-0 (AQP0) expression.
View Article and Find Full Text PDF1950s-1990s: The pioneering era of insect neuroscience in Uruguay.
Neuroscience
January 2025
Departamento de Neurofisiología Celular y Molecular, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay. Electronic address:
Insect research has significantly advanced neuroscience by addressing fundamental questions, with groundbreaking discoveries emerging from research carried out in Uruguay. Powered by technological advances, the field has seen milestones in ultrastructure, neuronal and synaptic structure, and complex behavioral findings. Key contributions include the first formal description of chemical synapses, the identification of synaptic vesicle origins in the endoplasmic reticulum, and pioneering work on eye induction and development.
View Article and Find Full Text PDFAnatomy, histology and ultrastructure of the adult human olfactory peduncle: Blood vessel and corpora amylacea assessment.
Tissue Cell
January 2025
Neurogenesis and Neurostereology laboratory, Biomedicine Institute-UCLM, Institute of Health Research of Castilla-La Mancha (IDISCAM), University of Castilla-La Mancha, Albacete, Spain. Electronic address:
The mammalian olfactory system is responsible for processing environmental chemical stimuli and comprises several structures, including the olfactory epithelium, olfactory bulb, olfactory peduncle (OP), and olfactory cortices. Despite the critical role played by the OP in the conduction of olfactory information, it has remained understudied. In this work, optical, confocal, and electron microscopy were employed to examine the anatomy, histology, and ultrastructure of six human OP specimens (ages 37-84 years).
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