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Morphologic study of patent ductus arteriosus based on computed tomography data in 25 dogs.
Front Vet Sci
December 2024
Department of Veterinary Clinical Science, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul, Republic of Korea.
Introduction: The objective of this study is to analyze the morphology and measurement dimensions of patent ductus arteriosus (PDA) based on computed tomography images.
Methods: The present study retrospectively evaluated computed tomography angiography data from 25 client-owned dogs diagnosed with PDA. PDA was reconstructed based on the central axis and the minimum diameter, ampulla diameter, angle, ampulla cross-section area, and length values were measured at specific measurement sites.
It is well known that activation of NMDA receptors can trigger long-term synaptic depression (LTD) and that a morphological correlate of this functional plasticity is spine retraction and elimination. Recent studies have led to the surprising conclusion that NMDA-induced spine shrinkage proceeds independently of ion flux and requires the initiation of protein synthesis, highlighting an unappreciated contribution of mRNA translation to non-ionotropic NMDAR signaling. Here we used NMDA-induced spine shrinkage in slices of mouse hippocampus as a readout to investigate this novel modality of synaptic transmission.
View Article and Find Full Text PDFMorphological variation of Ficus johannis subsp. afghanistanica (Warb.) Browicz in Sistan-va-Baluchestan province, Iran.
BMC Plant Biol
January 2025
Republic of Türkiye, Ministry of Agriculture and Forestry, General Directorate of Agricultural Research and Policies, Hatay Olive Research Institute Directorate, Hassa Station, Hassa, 31700, Hatay, Türkiye.
Background: Ficus johannis subsp. afghanistanica (Warb.) Browicz is an important plant species belonging to the Moraceae family and is part of the Ficus genus.
View Article and Find Full Text PDF[Pediatric cardiac allograft transplantation: a clinicopathological study of twelve recipient hearts].
Zhonghua Bing Li Xue Za Zhi
January 2025
Department of Pathology, the Seventh Medical Center of People's Liberation Army of China General Hospital, Beijing100700, China.
To analyze the morphologic changes and the extent of severity in end-stage heart disease; and to explore the correlation with their clinical features. Twelve cases of recipients who underwent pediatric cardiac allograft transplantation were collected from May 2022 to November 2023 at the Seventh Medical Center of People's Liberation Army of China General Hospital. Gross pathologic examinations were performed and morphological changes were observed under a light microscope after HE, Masson's trichrome, and reticulin staining.
View Article and Find Full Text PDFDiffusion tensor imaging with free-water correction reveals distinctions between severe and attenuated subtypes in Mucopolysaccharidosis type I.
J Inherit Metab Dis
January 2025
Department of Pediatrics, Medical School, University of Minnesota, Minneapolis, Minnesota, USA.
Mucopolysaccharidosis type I (MPS I) is an inherited lysosomal storage disorder leading to deleterious brain effects. While animal models suggested that MPS I severely affects white matter (WM), whole-brain diffusion tensor imaging (DTI) analysis was not performed due to MPS-related morphological abnormalities. 3T DTI data from 28 severe (MPS IH, treated with hematopoietic stem cell transplantation-HSCT), 16 attenuated MPS I patients (MPS IA) enrolled under the study protocol NCT01870375, and 27 healthy controls (HC) were analyzed using the free-water correction (FWC) method to resolve macrostructural partial volume effects and unravel differences in DTI metrics accounting for microstructural abnormalities.
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