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Impaired spatial coding of the hippocampus in a dentate gyrus hypoplasia mouse model.
Proc Natl Acad Sci U S A
February 2025
Zanvyl Krieger Mind/Brain Institute, Johns Hopkins University, Baltimore, MD 21218.
The hippocampal dentate gyrus (DG) is thought to orthogonalize inputs from the entorhinal cortex (pattern separation) and relay this information to the CA3 region. In turn, attractor dynamics in CA3 perform a pattern completion or error correction operation before sending its output to CA1. In a mouse model of congenital hypoplasia of the DG, a deficiency in the (Wls) gene, specifically in cells expressing , which targets neuronal progenitors, led to an almost total absence of dentate granule cells and modestly impaired performance in spatial tasks.
View Article and Find Full Text PDFMentalizing in adolescence: Developmental trends and associations with borderline personality disorder features.
Personal Disord
January 2025
Faculty of Psychology and Educational Sciences, KU Leuven.
Impairments in mentalizing, the capacity to understand the self and others in terms of intentional mental states, are proposed to play an important role in the emergence of borderline personality disorder (BPD) in adolescence. Although mentalizing problems in adults with BPD have been amply demonstrated, research in adolescence lags behind in terms of both the normative development of mentalizing in adolescence and the relation between different dimensions of mentalizing and adolescent BPD. Therefore, the current study investigated developmental trends and sex-related differences related to different mentalizing dimensions and the associations between mentalizing dimensions and BPD features in a large group of adolescents ( = 456, = 15.
View Article and Find Full Text PDFTherapeutic gene correction of HBB frameshift CD41-42 (-TCTT) deletion in human hematopoietic stem cells.
Adv Biotechnol (Singap)
January 2025
MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, Guangdong, China.
Β-thalassemia is one of the global health burdens. The CD41-42 (-TCTT) mutation at HBB is the most prevalent pathogenic mutation of β-thalassemia in both China and Southeast Asia. Previous studies focused on repairing the HBB CD41-42 (-TCTT) mutation in β-thalassemia patient-specific induced pluripotent stem cells, which were subsequently differentiated into hematopoietic stem and progenitor cells (HSPCs) for transplantation.
View Article and Find Full Text PDFUncovering the intricacies of IGF-1 in Alzheimer's disease: new insights from regulation to therapeutic targeting.
Inflammopharmacology
January 2025
Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India.
Alzheimer's disease (AD) is a progressive neurodegenerative disorder characterized by the accumulation of amyloid-β plaques and tau tangles, leading to cognitive decline and dementia. Insulin-like Growth Factor-1 (IGF-1) is similar in structure to insulin and is crucial for cell growth, differentiation, and regulating oxidative stress, synaptic plasticity, and mitochondrial function. IGF-1 exerts its physiological effects by binding to the IGF-1 receptor (IGF-1R) and activating PI3K/Akt pathway.
View Article and Find Full Text PDFDifferential Neuronal Activation of Nociceptive Pathways in Neuropathic Pain After Spinal Cord Injury.
Cell Mol Neurobiol
January 2025
Department of Neurology, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, 430030, China.
Neuropathic pain, a prevalent complication following spinal cord injury (SCI), severely impairs the life quality of patients. No ideal treatment exists due to incomplete knowledge on underlying neural processes. To explore the SCI-induced effect on nociceptive circuits, the protein expression of c-Fos was analyzed as an indicator of neuronal activation in a rat contusion model exhibiting below-level pain.
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