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Unveiling the Mechanisms of a Remission in Major Depressive Disorder (MDD)-like Syndrome: The Role of Hippocampal Palmitoyltransferase Expression and Stress Susceptibility.
Biomolecules
January 2025
Research and Education Resource Center, Peoples Friendship University of Russia (RUDN University), 117198 Moscow, Russia.
Post-translational modifications of proteins via palmitoylation, a thioester linkage of a 16-carbon fatty acid to a cysteine residue, reversibly increases their affinity for cholesterol-rich lipid rafts in membranes, changing their function. Little is known about how altered palmitoylation affects function at the systemic level and contributes to CNS pathology. However, recent studies suggested a role for the downregulation of palmitoyl acetyltransferase (DHHC) 21 gene expression in the development of Major Depressive Disorder (MDD)-like syndrome.
View Article and Find Full Text PDFAutoantibodies, Oxidative Stress, and Nutritional State in Anorexia Nervosa.
Antibodies (Basel)
December 2024
IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy.
: Anorexia nervosa (AN) is a complex psychiatric disorder characterized by an extreme fear of gaining weight, leading to severe calorie restriction and weight loss. Beyond its psychiatric challenges, AN has significant physical consequences affecting multiple organ systems. Recent research has increasingly focused on the interplay between autoantibodies, oxidative stress, and nutritional state in this condition.
View Article and Find Full Text PDFFamily planning and preimplantation testing: family experiences in congenital adrenal hyperplasia.
Front Endocrinol (Lausanne)
January 2025
Department of Endocrinology, Sydney Children's Hospital, Randwick, NSW, Australia.
Introduction: Pre-implantation testing (PGT) is often suggested by healthcare professionals (HCP) to parents of children with congenital adrenal hyperplasia (CAH) considering subsequent children. Despite this, some families choose to conceive naturally without genetic testing and intervention. The aims of this study were to explore fertility choices of couples with a child with CAH and the decision making process and perceptions behind these choices, and to explore the families' lived experiences with CAH and the couples' subsequent fertility journey.
View Article and Find Full Text PDFInternalizing Psychiatric Symptoms in People With Mosaicism for Trisomy 21.
Am J Med Genet B Neuropsychiatr Genet
January 2025
Department of Pathology, Virginia Commonwealth University, Richmond, Virginia, USA.
People with mosaicism for trisomy 21 have been shown to exhibit many of the same phenotypic traits present in people with non-mosaic Down syndrome, but with varying symptom severity. However, the behavioral phenotype of people with mosaic Down syndrome (mDS) has not been well characterized. This study aimed to examine the prevalence of self-report and caregiver-report symptoms of depression and anxiety among a sample of 62 participants with mDS aged 12-46 and assess their association with the percentage of trisomy 21 in blood and/or buccal mucosa cells.
View Article and Find Full Text PDFEpigenetics in Learning and Memory.
Subcell Biochem
January 2025
Faculty of Medicine and Faculty of Life Sciences, Institute of Biomedical Sciences (ICB), Universidad Andres Bello, Santiago, Chile.
In animals, memory formation and recall are essential for their survival and for adaptations to a complex and often dynamically changing environment. During memory formation, experiences prompt the activation of a selected and sparse population of cells (engram cells) that undergo persistent physical and/or chemical changes allowing long-term memory formation, which can last for decades. Over the past few decades, important progress has been made on elucidating signaling mechanisms by which synaptic transmission leads to the induction of activity-dependent gene regulation programs during the different phases of learning (acquisition, consolidation, and recall).
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