94 results match your criteria: "University of Méditerranée (Aix-Marseille II)[Affiliation]"

PlantACT! - how to tackle the climate crisis.

Trends Plant Sci

May 2023

Center for Desert Agriculture (CDA), Biological and Environmental Sciences and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.

Article Synopsis
  • - Greenhouse gas emissions are causing a climate crisis that needs urgent action to reduce their harmful impacts on life on Earth.
  • - Agriculture and land use account for about 25% of total GHG emissions, making it crucial for plant scientists to lead efforts in sustainable practices.
  • - The PlantACT! initiative outlines a strategic plan for plant scientists to develop solutions in various time frames and identifies necessary changes in personal behavior, institutions, and funding to support these efforts.
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Background: While adult outcome in autism spectrum disorder (ASD) is generally measured using socially valued roles, it could also be understood in terms of aspects related to health status - an approach that could inform on potential gender differences.

Methods: We investigated gender differences in two aspects of outcome related to health-status, i.e.

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Sleep during development: Sex and gender differences.

Sleep Med Rev

June 2020

INSERM, UMR1153, Centre of Research in Epidemiology and StatisticS (CRESS), Team on research on EARly Origins of Health (EAROH), Villejuif, F-94807, France; Paris-Descartes University, France.

Article Synopsis
  • Sleep is a significant part of life and changes as the brain develops in childhood.
  • There are notable differences in brain development and sleep characteristics between girls and boys.
  • This review explores how these differences affect sleep physiology and duration during developmental stages.
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Background And Purpose: To determine the precise incidence of lesions at sites of high Aquaporin-4 expression (hAQP4) and their possible association with known neuromyelitis optica spectrum disease (NMOSD) lesions patterns.

Materials And Methods: A retrospective analysis of brain and, when available, spinal cord MRI scans of 54 NMOSD patients recruited among the French NMOSD cohort was performed. Brain lesions were annotated as MS-like, non-specific, or evocative of NMOSD.

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Background: Few studies on the relationship between sleep quantity and/or quality and cognition have been conducted among preschoolers from the healthy general population. We aimed to identify, among 3-year-old children, early polysomnography (PSG) sleep factors associated with estimated intelligence quotient (IQ) using the Weschler Preschool and Primary Scale Intelligence-III test (WPPSI-III) and its indicators: full-scale (FISQ), verbal (VIQ), and performance (PIQ) intelligence quotients.

Methods: We included full-term children from the French birth-cohort AuBE with PSG recording at term (M0) and/or six months (M6), and available WPPSI-III scores at three years.

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Nomenclature for the KIR of non-human species.

Immunogenetics

September 2018

Department of Structural Biology and Department of Microbiology & Immunology, School of Medicine, Stanford University, Stanford, CA, USA.

The increasing number of Killer Immunoglobulin-like Receptor (KIR) sequences available for non-human primate species and cattle has prompted development of a centralized database, guidelines for a standardized nomenclature, and minimum requirements for database submission. The guidelines and nomenclature are based on those used for human KIR and incorporate modifications made for inclusion of non-human species in the companion IPD-NHKIR database. Included in this first release are the rhesus macaque (Macaca mulatta), chimpanzee (Pan troglodytes), orangutan (Pongo abelii and Pongo pygmaeus), and cattle (Bos taurus).

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Purpose: To identify the incidence of patients with perihippocampal metastases to assess the risk of brain relapse when sparing the hippocampal area. Medulloblastoma (MB) represents 20% of pediatric brain tumors. For high-risk MB patients, the 3- to 5-year event-free survival rate has recently improved from 50% to >76%.

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Aims And Objectives: The aim of this study was to assess the correlation between the remaining dentin thickness (RDT) in deep decayed primary molars and the inflammatory status and bacterial composition of the corresponding coronal pulp. We hypothesized that RDT could be used as a reference for clinicians in assigning the indication for pulpotomy.

Materials And Methods: Pulpotomies were conducted on the cameral pulp of 48 primary molars.

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Atonic seizures in children with surgically remediable epilepsy: a motor system seizure phenotype?

Epileptic Disord

September 2017

Medical and Surgical Epilepsy Unit, Hautepierre Hospital, University of Strasbourg, Strasbourg, IDEE Epilepsy Institute, Lyon, France.

Atonic seizures are common in some epileptic syndromes beginning in infancy or early childhood but they are rarely described in epilepsy with focal seizures of structural aetiology. We aimed to characterize the electroclinical features of atonic seizures in surgically remediable paediatric patients and to study the spatiotemporal organization of the underlying epileptogenic networks. We retrospectively analysed two consecutive, longitudinally evaluated and surgically treated paediatric patients presenting with atonic seizures as a manifestation of pharmacoresistant epilepsy of structural aetiology, evidenced by scalp- and stereotactic intracerebral video-EEG-recordings.

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Early features associated with the neurocognitive development at 36 months of age: the AuBE study.

Sleep Med

February 2017

Sleep Pediatric Unit, Woman Mother Child Hospital, Lyon1 University, Lyon, France; Integrative Physiology of Brain Arousal System Research Laboratory, CRNL, INSERM-U1028, CNRS UMR5292, Lyon1 University, Lyon, France.

Background: Few studies on the relations between sleep quantity and/or quality and cognition have been conducted among preschoolers from healthy general population. We aimed at identifying, among 36 months old children, early factors associated with intelligence quotient (IQ) estimated through the Weschler Preschool and Primary Scale Intelligence-III test and its indicators: Full-Scale-, Verbal- and Performance-IQs and their subscale scores.

Methods: We included 194 children from the French birth cohort AuBE with both available Weschler Preschool and Primary Scale Intelligence-III scores at three years and sleep data.

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Conclusion: Patients with incapacitating Meniere Disease (MD) suffer in their daily lives and activities because of the dizziness and anxiety induced by MD. Minimally Invasive Vestibular Neurotomy (MIVN) is a safe and effective surgical treatment for these individuals, and improved their dizziness and anxiety.

Objectives: This study aimed to assess the state of dizziness and anxiety of patients with incapacitating MD and its improvement through MIVN.

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Objectives Sleep problems and deprivation are common during pregnancy, particularly in the third trimester. Previous studies are mostly descriptive or focused on specific clinical groups and late pregnancy. We aimed to identify sleep duration trajectories during the pregnancy period, their associated factors, and impact on pregnancy and birth outcomes.

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The serotonin reuptake inhibitor citalopram suppresses activity in the neonatal rat barrel cortex in vivo.

Brain Res Bull

June 2016

Laboratory of Neurobiology, Kazan Federal University, Kazan, Russia; INMED-INSERM U901, Marseille, France; University Aix-Marseille II, Marseille, France.

Article Synopsis
  • Inhibition of serotonin uptake through SSRIs like citalopram disrupts the formation of thalamocortical barrel maps in neonatal rodents by increasing extracellular serotonin levels.
  • In vivo studies show that citalopram significantly suppresses sensory evoked potentials and neuronal activity in the barrel cortex of neonatal rats, altering the amplitude, delay, power, and frequency of responses.
  • The effects of SSRIs are less pronounced in older adolescent rats, indicating that early disruption of thalamocortical activity may hinder proper barrel map development in young animals exposed to high serotonin levels.
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Up to 40% of patients with renal cell carcinoma (RCC) with initially localized disease eventually develop metastasis following nephrectomy. The current standard of care for metastatic RCC (mRCC) is targeted therapy. However, complete response remains rare.

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Being Present In Space: The Role Of Allocentric And Egocentric Reference Frames.

Stud Health Technol Inform

April 2017

Applied Technology for Neuro-Psychology Lab, Istituto Auxologico Italiano, Milan, Italy.

The general aim of the present study was to investigate the effect of an interactive aerial view of the experienced environment during the encoding and retrieving of spatial information on the feeling of presence. Our findings showed that this real-time interactive aerial view (both small and large) during the encoding and retrieval of spatial information seems to led to a greater sense of presence. It is argued that the use of this aerial view, which provides a real-time allocentric viewpoint-dependent spatial representation, would ease the translation of a stored allocentric representation into an egocentric one, and this process, consequently, would help individuals to feel present in space.

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Blue Light Induces a Distinct Starch Degradation Pathway in Guard Cells for Stomatal Opening.

Curr Biol

February 2016

Department of Plant and Microbial Biology, University of Zürich, Zollikerstrasse 107, 8008 Zürich, Switzerland. Electronic address:

Stomatal pores form a crucial interface between the leaf mesophyll and the atmosphere, controlling water and carbon balance in plants [1]. Major advances have been made in understanding the regulatory networks and ion fluxes in the guard cells surrounding the stomatal pore [2]. However, our knowledge on the role of carbon metabolism in these cells is still fragmentary [3-5].

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Prior to the release of their cargoes into the vacuolar lumen, sorting endosomes mature into multivesicular bodies (MVBs) through the action of ENDOSOMAL COMPLEX REQUIRED FOR TRANSPORT (ESCRT) protein complexes. MVB-mediated sorting of high-affinity phosphate transporters (PHT1) to the vacuole limits their plasma membrane levels under phosphate-sufficient conditions, a process that allows plants to maintain phosphate homeostasis. Here, we describe ALIX, a cytosolic protein that associates with MVB by interacting with ESCRT-III subunit SNF7 and mediates PHT1;1 trafficking to the vacuole in Arabidopsis thaliana.

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Importance: Limited information about the relationship between specific mutations in BRCA1 or BRCA2 (BRCA1/2) and cancer risk exists.

Objective: To identify mutation-specific cancer risks for carriers of BRCA1/2.

Design, Setting, And Participants: Observational study of women who were ascertained between 1937 and 2011 (median, 1999) and found to carry disease-associated BRCA1 or BRCA2 mutations.

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Phosphorylation of the vacuolar anion exchanger AtCLCa is required for the stomatal response to abscisic acid.

Sci Signal

July 2014

CNRS-UPR 2355, Institut des Sciences du Végétal, Saclay Plant Sciences Labex, Bât. 22, 1 Avenue de la Terrasse, 91198 Gif sur Yvette Cedex, France. Université Paris 7 Denis Diderot, U.F.R. Sciences du Vivant, 35 rue Hélène Brion, 75205 Paris Cedex 13, France.

Eukaryotic anion/proton exchangers of the CLC (chloride channel) family mediate anion fluxes across intracellular membranes. The Arabidopsis thaliana anion/proton exchanger AtCLCa is involved in vacuolar accumulation of nitrate. We investigated the role of AtCLCa in leaf guard cells, a specialized plant epidermal cell that controls gas exchange and water loss through pores called stomata.

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Depressive feelings in children with narcolepsy.

Sleep Med

March 2014

Integrative Physiology of Brain Arousal System, CRNL, INSERM-U1028, University Lyon 1, Lyon, France; National Reference Centre for Orphan Diseases, Narcolepsy, Idiopathic Hypersomnia and Kleine-Levin Syndrome (CNR Narcolepsie-Hypersomnie), France; Pediatric Sleep Unit, Hôpital Femme Mère Enfant, University Lyon 1, Lyon, France. Electronic address:

Objectives: We aimed to evaluate depressive feelings and their correlations in children and adolescents with narcolepsy collected in national reference centers for narcolepsy.

Methods: We compared clinical and sleep characteristics of patients with and without depressive symptoms evaluated on the Children's Depression Inventory (CDI).

Results: Our study sample included 88 children (44 boys; 44 de novo patients) with a mean age of 11.

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Early gamma oscillations.

Neuroscience

October 2013

INMED - INSERM U901, University Aix-Marseille II, Marseille, France; Laboratory of Neurobiology, Kazan Federal University, Kazan, Russia. Electronic address:

Gamma oscillations have long been considered to emerge late in development. However, recent studies have revealed that gamma oscillations are transiently expressed in the rat barrel cortex during the first postnatal week, a "critical" period of sensory-dependent barrel map formation. The mechanisms underlying the generation and physiological roles of early gamma oscillations (EGOs) in the development of thalamocortical circuits will be discussed in this review.

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Family structure, lack of reliable information, cost, and delay are usual concerns when deciding to perform BRCA analyses. Testing breast cancer tissues with four antibodies (MS110, lys27H3, vimentin, and KI67) in addition to grade evaluation enabled us to rapidly select patients for genetic testing identification. We constituted an initial breast cancer tissue microarray, considered as a learning set, comprising 27 BRCA1 and 81 sporadic tumors.

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