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Progressive Loss of Cerebral Structures in ALG11-Related Congenital Disorder Glycosylation.
Pediatr Neurol
December 2024
Zickler Family Prenatal Pediatrics Institute, Children's National Hospital, Washington, District of Columbia; Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia; Department of Pediatrics, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia. Electronic address:
Background: Congenital disorders of glycosylation (CDG) are a group of metabolic disorders related to dysfunctional glycoprotein and glycolipid biosynthesis. ALG11-related CDG is a rare member of this group, characterized by severe neurodevelopmental impairment, progressive microcephaly, sensorineural hearing loss, and epilepsy. The objective of this report is to provide an update on the phenotype and brain magnetic resonance imaging (MRI) at age seven years for a patient initially described in early infancy with fetal brain disruption sequence.
View Article and Find Full Text PDFCase Report: Prenatal ultrasound presentation of congenital melanocytic nevus syndrome.
Front Pediatr
December 2024
Department of Ultrasound, Jinan Maternity and Child Care Hospital, Jinan, Shandong, China.
Congenital melanocytic nevus (CMN) syndrome is a rare, non-familial neural ectodermal dysplasia characterized by CMN combined with extracutaneous abnormalities, predominantly involving the central nervous system (CNS). The pathogenesis of CMN syndrome is thought to result from early post-zygotic somatic mutations. CNS melanosis frequently affects the anterior temporal lobes, brainstem, cerebellum, and cerebral cortex.
View Article and Find Full Text PDFUncertain significance and molecular insights of CPLANE1 variants in prenatal diagnosis of Joubert syndrome: a case report.
BMC Pregnancy Childbirth
December 2024
Department of Obstetrics, School of Medicine, Chengdu Women's and Children's Central Hospital, University of Electronic Science and Technology of China, Chengdu, China.
Background: Prenatal whole exome sequencing (WES) is becoming an increasingly used diagnostic tool for fetuses with structural anomalies. However, the identification of variants of uncertain significance (VUS) in clinically relevant genes can significantly complicate prenatal diagnosis and genetic counseling.
Case Presentation: A fetus conceived through in vitro fertilization at the third attempt presented with polydactyly and molar tooth sign at 24 + 6 weeks of gestation.
Gray Matter Asymmetry Alterations in Patients With Spinocerebellar Ataxia Type 3: A Voxel-Based Morphometric Comparison Study.
CNS Neurosci Ther
December 2024
7T Magnetic Resonance Imaging Translational Medical Center, Department of Radiology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China.
Aims: The aim of this study was to investigate the whole-brain asymmetry changes in spinocerebellar ataxia type 3 (SCA3) and their association with movement disorders.
Methods: Voxel-based morphometry (VBM) was used to assess asymmetry in gray matter (GM) volume in 83 genetically confirmed SCA3 patients and 83 sex- and age-matched healthy controls (HCs). The asymmetry index (AI) was analyzed for partial correlation with disease severity, as measured by the Scale for Assessment and Rating of Ataxia (SARA) and International Cooperative Ataxia Rating Scale (ICARS).
Embryonic exposure to acetamiprid insecticide induces CD68-positive microglia and Purkinje cell arrangement abnormalities in the cerebellum of neonatal rats.
Toxicol Appl Pharmacol
December 2024
Department of Applied Chemistry and Life Sciences, Graduate School of Engineering, Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan; Center for Diversity and Inclusion, Toyohashi University of Technology, Toyohashi, Aichi, 441-8580, Japan. Electronic address:
Concerns have been raised regarding acetamiprid (ACE), a neonicotinoid insecticide, due to its potential neurodevelopmental toxicity. ACE, which is structurally similar to nicotine, acts as an agonist of nicotinic acetylcholine receptors (nAChRs) and resists degradation by acetylcholinesterase. Furthermore, ACE has been reported to disrupt neuronal transmission and induce developmental neurotoxicity and ataxia in animal models.
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