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Oppositional and competitive instigation of hippocampal synaptic plasticity by the VTA and locus coeruleus.
Proc Natl Acad Sci U S A
January 2025
Department of Neurophysiology, Medical Faculty, Ruhr University Bochum, Bochum 44780, Germany.
The novelty, saliency, and valency of ongoing experiences potently influence the firing rate of the ventral tegmental area (VTA) and the locus coeruleus (LC). Associative experience, in turn, is recorded into memory by means of hippocampal synaptic plasticity that is regulated by noradrenaline sourced from the LC, and dopamine, sourced from both the VTA and LC. Two persistent forms of synaptic plasticity, long-term potentiation (LTP), and long-term depression (LTD) support the encoding of different kinds of spatial experience.
View Article and Find Full Text PDFGermination and False Germination Increase the Levels of Bioactive Steroidal Saponins in Oats.
J Agric Food Chem
January 2025
Laboratory for Functional Food and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, North Carolina 28081, United States.
The health benefits of oats, particularly their enhanced nutritional and bioactive properties when sprouted, are well-documented. However, changes in steroidal saponins during germination and false germination are lacking. This study explored the influence of various temperatures (20, 25, and 30 °C) and durations (1, 3, 5, and 7 days) on the steroidal saponin profiles in both germinated and false-germinated oats and assessed their anti-inflammatory activities.
View Article and Find Full Text PDFMuscle relaxation enhances motor imagery capacity in people with anxiety: A randomized clinical trial.
PLoS One
January 2025
Department of Nursing and Physiotherapy, Faculty of Medicine and Health Sciences, University of Alcalá, Alcalá de Henares, Spain.
Background: Motor imagery is the mental representation of a movement without physical execution. When motor imagery is performed to enhance motor learning and performance, participants must reach a temporal congruence between the imagined and actual movement execution. Identifying factors that can influence this capacity could enhance the effectiveness of motor imagery programs.
View Article and Find Full Text PDFEffectiveness of oral health promotion in children and adolescents through behaviour change interventions: A scoping review.
PLoS One
January 2025
Department of Prosthodontics, Faculty of Dentistry, University of the Western Cape, Cape Town, South Africa.
Objective: To explore the interventions for change in oral health behaviour that are effective in improving oral health behaviours in 8 to 18-year-old children during oral health promotion.
Methods: The Joanna Briggs Institute framework of evidence synthesis for conducting a scoping review was implemented for the methodology. Included studies related to the objective, measured clinical or non-clinical outcomes, were in English, 2011-2023, and were experimental, observational or reviews.
ERK activation dynamics in maturing oocyte controls embryonic nuclear divisions in Caenorhabditis elegans.
Cell Rep
January 2025
Genetics and Epigenetics Program, University of Texas MD Anderson Cancer Center and The University of Texas MD Anderson Cancer Center UTHealth Houston Graduate School of Biomedical Sciences, Houston, TX, USA; Department of Genetics, University of Texas MD Anderson Cancer Center and The University of Texas MD Anderson Cancer Center UTHealth Houston Graduate School of Biomedical Sciences, Houston, TX, USA. Electronic address:
ERK activity oscillates between sustained activation during oocyte formation and transient inactivation during oocyte maturation, fertilization, and early embryogenesis. Consequences of ectopic ERK activity upon oocyte maturation and in early embryogenesis are unknown. We show, in Caenorhabditis elegans, that ectopic ERK activity upon oocyte maturation (metaphase I oocytes) results in embryos with abnormalities in nuclear divisions leading to embryonic death.
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