The architecture of the Golgi apparatus in mammalian cells changes dynamically in response to internal and external cues and may be permanently altered in disease states. Here, we present a method to quantify changes in Golgi morphology using immunofluorescence and confocal microscopy followed by CellProfiler software analysis. This method will assist researchers in evaluating alterations in the Golgi complex morphology of cultured cells under a variety of different experimental conditions.
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http://dx.doi.org/10.1007/978-1-0716-2639-9_46 | DOI Listing |
Genes (Basel)
November 2024
Neurology Unit, Department of Translational Medicine, Maggiore Della Carità Hospital, University of Piemonte Orientale, 28100 Novara, Italy.
Background/objectives: Axonal Charcot-Marie-Tooth disease type 2 (CMT2) accounts for 24% of Hereditary Motor/Sensory Peripheral Neuropathies. CMT2 type GG, due to four distinct heterozygous mutations in the Golgi brefeldin A resistant guanine nucleotide exchange factor 1 () gene (OMIM 606483), was described in seven cases from four unrelated families with autosomal dominant inheritance. It is characterized by slowly progressive distal muscle weakness and atrophy, primarily affecting the lower limbs.
View Article and Find Full Text PDFNat Commun
January 2025
Department of Medical Microbiology, Radboud University Medical Center, Nijmegen, The Netherlands.
Despite the enormous significance of malaria parasites for global health, some basic features of their ultrastructure remain obscure. Here, we apply high-resolution volumetric electron microscopy to examine and compare the ultrastructure of the transmissible male and female sexual blood stages of Plasmodium falciparum as well as the more intensively studied asexual blood stages revisiting previously described phenomena in 3D. In doing so, we challenge the widely accepted notion of a single mitochondrion by demonstrating the presence of multiple mitochondria in gametocytes.
View Article and Find Full Text PDFJ Mol Histol
December 2024
Grupo de Morfología Celular, Instituto Nacional de Salud (INS), Av. Calle 26 No. 51-20, Bogotá, DC, 111321, Colombia.
The effect of rabies virus infection on dendritic morphology and on the expression of the MAP2 protein in Purkinje cells in the cerebellum of mice was studied. ICR mice were inoculated with rabies virus, and six days later, the mice were sacrificed, the cerebellum was removed and processed for Golgi-Cox staining or MAP2 immunohistochemistry. Infection with rabies virus altered the dendritic pattern of Purkinje cells ranged from moderate changes to accentuated retraction in the dendritic tree of some Purkinje cells.
View Article and Find Full Text PDFTransl Neurodegener
December 2024
Department of Neurosciences, Hengyang Medical School, University of South China, Hengyang, 421009, China.
Background: Neurological complications are a significant concern of Coronavirus Disease 2019 (COVID-19). However, the pathogenic mechanism of neurological symptoms associated with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is poorly understood.
Methods: We used Drosophila as a model to systematically analyze SARS-CoV-2 genes encoding structural and accessory proteins and identified the membrane protein (M) that disrupted mitochondrial functions in vivo.
CNS Neurosci Ther
December 2024
Department of Radiology, The Affiliated Panyu Central Hospital of Guangzhou Medical University, Guangzhou, China.
Background: Cognitive impairment is a common and feared characteristic of aging processes, and one key mechanism of cognition is hippocampal synaptic structure. Previous studies have reported that gut microbiota dysbiosis occurred in neurodegenerative diseases and other brain disorders with cognitive impairment. However, it is not clear how gender differences affect cognitive impairment in aging processes and whether they affect synaptic structure and gut microbiota.
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