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Decoding the nexus:branched-chain amino acids and their connection with sleep,circadian rhythms,and cardiometabolic health

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Neural Regeneration Research 2025年第5期20卷 1350-1363页

作者： Hui Li Laurent seugnet Department of Neurology Xijing HospitalXi’anShaanxi ProvinceChina Centre de Recherche en Neurosciences de Lyon Integrated Physiology of the Brain Arousal Systems(WAKING)UniversitéClaude Bernard Lyon 1INSERM U1028CNRS UMR 5292BronFrance

The sleep-wake cycle stands as an integrative process essential for sustaining optimal brain function and,either directly or indirectly,overall body health,encompassing metabolic and cardiovascular *** the heightened metabolic activity of the brain,there exists a considerable demand for nutrients in comparison to other *** these,the branched-chain amino acids,comprising leucine,isoleucine,and valine,display distinctive significance,from their contribution to protein structure to their involvement in overall metabolism,especially in cerebral *** the first amino acids that are released into circulation post-food intake,branched-chain amino acids assume a pivotal role in the regulation of protein synthesis,modulating insulin secretion and the amino acid sensing pathway of target of ***-chain amino acids are key players in influencing the brain's uptake of monoamine precursors,competing for a shared *** their involvement in protein synthesis,these amino acids contribute to the metabolic cycles ofγ-aminobutyric acid and glutamate,as well as energy ***,they impact GABAergic neurons and the excitation/inhibition *** rhythmicity of branchedchain amino acids in plasma concentrations,observed over a 24-hour cycle and conserved in rodent models,is under circadian clock *** mechanisms underlying those rhythms and the physiological consequences of their disruption are not fully *** sleep,obesity,diabetes,and cardiovascular diseases can elevate branched-chain amino acid concentrations or modify their oscillatory *** mechanisms driving these effects are currently the focal point of ongoing research efforts,since normalizing branched-chain amino acid levels has the ability to alleviate the severity of these *** this context,the Drosophila model,though underutilized,holds promise in shedding new light on these *** findings indicate its po

关键词： branched-chain amino acids cardiovascular health circadian clock drosophila insulin metabolism sleep γ-aminobutyric acid

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systematic review of risk factors,prognosis,and management of colorectal signet-ring cell carcinoma

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 2141-2158页

作者： Frederiek Nuytens Vincent Drubay Clarisse Eveno Florence Renaud Guillaume Piessen Department of Digestive and Oncological surgery University LilleClaude Huriez University HospitalLille 59000France Department of Digestive and Hepatobiliary/Pancreatic surgery AZ GroeningeKortrijk 8500Belgium Cambrai Hospital Center and sainte Marie Group of Hospitals of The Catholic Institute of LilleCambrai 59400France CNRs InsermUMR9020-U1277-CANTHER-CancerUniversity LilleCHU LilleLille 59000France

BACKGROUND Colorectal signet-ring cell carcinoma(CsRCC)is a rare clinical entity which accounts for approximately 1%of all colorectal *** multiple studies concerning this specific topic have been published in the past decades,the pathogenesis,associated risk factors,and potential implications on treatment are still poorly *** the low incidence,historically confusing histological criteria have resulted in confusing ***,the rising incidence of CsRCC along with relatively young age at presentation and associated dismal prognosis,highlight the actual interest to synthesize the known literature regarding *** To provide an updated overview of risk factors,prognosis,and management of *** A literature search in the MEDLINE/PubMed database was conducted with the following search terms used:‘signet ring cell carcinoma’and‘colorectal’.studies in English language,published after January 1980,were *** included in the qualitative synthesis were evaluated for content concerning epidemiology,risk factors,and clinical,diagnostic,histological,and molecular features,as well as metastatic pattern and therapeutic *** possible,presented data was extracted in order to present a more detailed overview of the *** In total,67 articles were included for qualitative analysis,of which 54 were eligible for detailed data *** has a reported incidence between 0.1%-2.4%and frequently presents with advanced disease stage at the time of *** is associated with an impaired overall survival(5-year Os:0%-46%)and a worse stagecorrected outcome compared to mucinous and not otherwise specified *** systematic use of exploratory laparoscopy to determine the presence of peritoneal metastases has been *** is the mainstay of treatment,although the rates of curative resection in CsRCC(21%-82%)are lower compared to those in other histological *** case of peritoneal

关键词： Colorectal cancer signet-ring cell histology Poorly cohesive cells systematic review Risk factors Prognosis Therapeutic management

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Activity-dependent mechanisms of neuroprotection:promising avenues against dementia

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Neural Regeneration Research 2024年第7期19卷 1409-1410页

作者： Davide Tampellini U1195 inserm-UniversitéParis-saclay Le Kremlin-BicêtreFrance Institut Professeur Baulieu Le Kremlin-BicêtreFrance

The study of the brain and its complex functions is highly fascinating and,at the same time,extremely ***,furthering our understanding of the biology of neurons and synapses is a prerequisite to uncover the mechanisms involved in memory formation and the coordination of movement as well as their alterations occurring in several neurological disorders.

关键词： alterations mechanisms neurological

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Targeted therapy for capillary-venous malformations

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signal Transduction and Targeted Therapy 2024年第7期9卷 3024-3039页

作者： Lola Zerbib sophia Ladraa Antoine Fraissenon Charles Bayard Marina Firpion Quitterie Venot sanela Protic Clément Hoguin Amandine Thomas sylvie Fraitag Jean-Paul Duong sophie Kaltenbach Estelle Balducci Coline Lefevre Patrick Villarese Vahid Asnafi Christine Broissand Nicolas Goudin Ivan Nemazanyy Gwennhael Autret Bertrand Tavitian Christophe Legendre Nadia Arzouk Veronique Minard-Colin Caroline Chopinet Michael Dussiot Denise MAdams Tristan Mirault Laurent Guibaud Paul Isenring Guillaume Canaud UniversitéParis Cité ParisFrance inserm U1151 Institut Necker-Enfants MaladesParisFrance service d’Imagerie Pédiatrique Hôpital Femme-Mère-EnfantHCLBronFrance CREATIs umr 5220 Villeurbanne 69100France service de Radiologie Mère-Enfant Hôpital NordSaint EtienneFrance service d’Anatomie pathologique Hôpital Necker-Enfants MaladesAP-HPParisFrance Laboratoire d’Oncohématologie Hôpital Necker-Enfants MaladesAP-HPParisFrance Pharmacie Hôpital Necker-Enfants MaladesAP-HPParisFrance Necker Bio-Image Analysis INSERM US24/CNRS UMS 3633ParisFrance Platform for Metabolic Analyses Structure Fédérative de Recherche NeckerINSERM US24/CNRS UMS 3633ParisFrance Plateforme Imageries du Vivant Universitéde ParisPARCCINSERMParisFrance service de Néphrologie Transplantation AdultesHôpital Necker-Enfants MaladesAP-HPParisFrance service de Transplantation Hôpital La PitiéSalpétrièreAP-HPParisFrance Department of Pediatric and Adolescent Oncology INSERM 1015Gustave RoussyUniversitéParis-SaclayVillejuifFrance service de Physiologie&Explorations Fonctionnelles Cardiovasculaires CHU de LilleLille 59000France inserm U1163 Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutic ImplicationsLaboratoire d’Excellence GR-ExParisFrance Division of Oncology Comprehensive Vascular Anomalies ProgramChildren’s Hospital of PhiladelphiaPhiladelphiaPAUSA service de Médecine Vasculaire hôpital Européen Georges-PompidouParisFrance Nephrology Research Group L’Hôtel-Dieu de Québec Research CenterDepartment of MedicineFaculty of MedicineLaval UniversityQuebecQC G1R2J6Canada Unitéde médecine translationnelle et thérapies ciblées Hôpital Necker-Enfants MaladesAP-HPParisFrance CNRs umr8253 Institut Necker-Enfants MaladesParisFrance

sporadic venous malformations are genetic conditions primarily caused by somatic gain-of-function mutation of PIK3CA or TEK,an endothelial transmembrane receptor signaling through *** malformations are associated with pain,bleedings,thrombosis,pulmonary embolism,esthetic deformities and,in severe cases,life-threatening *** authorized medical treatment exists for patients with venous ***,we created a genetic mouse model of PIK3CA-related capillary venous malformations that replicates patient *** showed that these malformations only partially signal through AKT *** compared the efficacy of different drugs,including rapamycin,a mTORC1 inhibitor,miransertib,an AKT inhibitor and alpelisib,a PI3Kαinhibitor at improving the lesions seen in the mouse *** demonstrated the effectiveness of alpelisib in preventing vascular malformations’occurrence,improving the already established ones,and prolonging *** these findings,we were authorized to treat 25 patients with alpelisib,including 7 children displaying PIK3CA(n=16)or TEK(n=9)-related capillary venous malformations resistant to usual therapies including sirolimus,debulking surgical procedures or percutaneous *** assessed the volume of vascular malformations using magnetic resonance imaging(MRI)for each *** demonstrated improvement in all 25 *** malformations previously considered intractable were reduced and clinical symptoms were *** showed a decrease of 33.4%and 27.8%in the median volume of PIK3CA and TEK malformations respectively,over 6 months on *** conclusion,this study supports PI3Kαinhibition as a promising therapeutic strategy in patients with PIK3CA or TEK-related capillary venous malformations.

关键词： PIK3CA malformations venous

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Late-onset Very long-chain acyl-CoA dehydrogenase deficiency diagnosis complicated by fulminant myocarditis in adult patient

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Journal of Intensive Medicine 2024年第3期4卷 400-402页

作者： Martin Gérard Clair Douillard Julien Poissy Mehdi Marzouk Christophe Vinsonneau Intensive Care Unit Centre Hospitalier de Bethune-BeuvryBethuneFrance Endocrinology diabetologymetabolism departmentLille reference centre of inborn errors of metabolismLille University HospitalLilleFrance inserm U1285 CHU LillePôle de réanimationCNRSUMR 8576-UGSF-Unitéde Glycobiologie Structurale et FonctionnelleUniv.LilleLilleFrance

Introduction A 21-year-old woman presented to the emergency department with fatigue,abdominal pain and *** physical activity in school was strictly *** had no family medical history and no personal history but reported frequent episodes of nausea and vomiting lasting 2 to 7 days during the past two years,as well as a weight loss of 9 kg due to reactive anorexia(Body Mass Index 17.5),without triggering factors or *** gastrointestinal symptoms led to the detection of isolated elevated transaminases(aspartate aminotransferase[AsT]190 U/L and alanine aminotransferase[ALT]170 U/L);however,the patient did not pursue the proposed etiological *** has been using cannabis once a day for several years,with an increase in consumption over the past year,but no *** reported no other recent change in her habits.

关键词： diagnosis patient elevated

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systemic lupus erythematosus

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四川生理科学杂志 2024年第4期46卷 863-863页

作者： Alberta Hoi Department of Rheumatology Monash Health School of Clinical Sciences Monash University Melbourne VIC Australia Department of Medicine Tuen Mun Hospital Hong Kong Special Administrative Region China Department of Rheumatology National Reference Center for Autoimmune Diseases INSERM UMR-S 1109 Hôpitaux Universitaires de Strasbourg Strasbourg France

systemic lupus erythematosus(sLE)is a multisystemic autoimmune disease characterised by the presence of autoantibodies towards nuclear antigens,immune complex deposition,and chronic inflammation at classic target organs such as skin,joints,and *** substantial advances in the diagnosis and management of sLE,the burden of disease remains *** is important to appreciate the typical presentations and the diagnostic process to facilitate early referral and diagnosis for *** most patients,constitutional,mucocutaneous,and musculoskeletal symptoms represent the earliest complaints;these symptoms can include fatigue,lupus-specific rash,mouth ulcers,alopecia,joint pain,and *** this seminar we will discuss a diagnostic approach to symptoms in light of the latest classification criteria,which include a systematic evaluation of clinical manifestations(weighted within each domain)and autoantibody profiles(such as anti-double-stranded DNA,anti-sm,hypocomplementaemia,or antiphospholipid antibodies).Nonpharmacotherapy management is tailored to the individual,with specific lifestyle interventions and patient education to improve quality of life and medication(such as hydroxychloroquine or immunosuppressant)adherence.

关键词： diagnosis lupus organs

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Advances in spinal cord injury:insights from non-human primates

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Neural Regeneration Research 2024年第11期19卷 2354-2364页

作者： Gaetan Poulen Florence E.Perrin University of Montpellier INSERMEPHEMontpellierFrance Department of Neurosurgery Gui de Chauliac HospitalMontpellier University Medical CenterMontpellierFrance Institut Universitaire de France(IUF) ParisFrance

spinal cord injury results in significant sensorimotor deficits,currently,there is no curative treatment for the symptoms induced by spinal cord *** and pre-clinical research on spinal cord injury relies on the development and characterization of appropriate animal *** models should replicate the symptoms observed in human,allowing for the exploration of functional deficits and investigation into various aspects of physiopathology of spinal cord ***-human primates,due to their close phylogenetic association with humans,share more neuroanatomical,genetic,and physiological similarities with humans than ***,the responses to spinal cord injury in nonhuman primates most likely resemble the responses to traumatism in *** this review,we will discuss nonhuman primate models of spinal cord injury,focusing on in vivo assessments,including behavioral tests,magnetic resonance imaging,and electrical activity recordings,as well as ex vivo histological ***,we will present therapeutic strategies developed in non-human primates and discuss the unique specificities of non-human primate models of spinal cord injury.

关键词： behavior cellular analysis non-human primates spinal cord injury tissue analysis

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Translational machinery and translation regulation in axon regeneration

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Neural Regeneration Research 2025年第5期20卷 1392-1394页

作者： Homaira Nawabi stephane Belin Univ.Grenoble Alpes InsermU1216Grenoble Institut NeurosciencesGrenobleFrance

Over the centuries,the regeneration field has been puzzled by the dual response of the central nervous system(CNs-brain,spinal cord,cranial nervesⅠandⅡ)and the peripheral nervous system(PNs that refers to all the nerves that innervate muscles,skin,organs,bones among others).Even Ramon y Cajal had noticed that an injury to the PNs often leads to axon regrowth,in contrast to the CNs.

关键词： nerves organs muscles

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Extending the functions of the homeotic transcription factor Cdx2 in the digestive system through nontranscriptional activities

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World Journal of Gastroenterology 2015年第5期21卷 1436-1443页

作者： Jean-Noel Freund Isabelle Duluc Jean-Marie Reimund Isabelle Gross Claire Domon-Dell inserm umr_s1113 Université de StrasbourgFMTS67200 StrasbourgFrance Centre Hospitalier Universitaire de strasbourg 67200 StrasbourgFrance

The homeoprotein encoded by the intestinal-specific Cdx2 gene is a major regulator of gut development and homeostasis,also involved in colon cancer as well as in intestinal-type metaplasias when it is abnormally expressed outside the *** the molecular level,structure/function studies have demonstrated that the Cdx2 protein is a transcription factor containing a conserved homeotic DNA-binding domain made ofthree alpha helixes arranged in a helix-turn-helix motif,preceded by a transcriptional domain and followed by a regulatory *** protein interacts with several thousand sites on the chromatin and widely regulates intestinal functions in stem/progenitor cells as well as in mature differentiated ***,this transcription factor also acts trough original nontranscriptional ***,the identification of novel protein partners of Cdx2 and also of a splicing variant revealed unexpected functions in the control of signaling pathways like the Wnt and NF-k B pathways,in double-strand break DNA repair and in premessenger RNA *** novel functions of Cdx2 must be considered to fully understand the complexity of the role of Cdx2 in the healthy intestine and in diseases.

关键词： Homeobox Transcription signaling DNA repair RNA splicing Intestine Development Cancer Homeostasis

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Machine learning approach to assess the association between anthropometric,metabolic,and nutritional status and semen parameters

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Asian Journal of Andrology 2024年第4期26卷 349-355页

作者： Guillaume Bachelot Antonin Lamaziere sebastien Czernichow Celine Faure Chrystelle Racine Rachel Levy Charlotte Dupont Nutrition and Fertility(ALIFERT)Group Author Information sorbonne University school of Medicine Saint-Antoine Research CenterINSERM UMR 93827 rue ChalignyParis 75012France Reproductive Biology Department-CECOs Tenon HospitalAP-HP.Sorbonne UniversityParis 75020France Clinical Metabolomics Department Saint-Antoine HospitalAP-HP27 rue ChalignyParis 75012France Nutrition Department Obesity Specialist CentreGeorges Pompidou European HospitalAP-HPParis 75015France 不详

Many lifestyle factors,such as nutritional imbalance leading to obesity,metabolic disorders,and nutritional deficiency,have been identified as potential risk factors for male *** aim of this study was to evaluate the relationship between semen parameters and anthropometric,metabolic and nutritional *** was first assessed individually,then after the application of a previously constructed and validated machine learning score that allows their ***,metabolic,antioxidant,micronutrient,and sperm parameters from 75 men suffering from idiopathic infertility from four infertility centers in France(Jean-Verdier ART Center Hospital,Bondy;North Hospital ART Center,saint-Étienne;Navarre Polyclinic ART Center,Pau;and Cochin Hospital ART Center,Paris)between september 2009 and December 2013 were *** assessing standard correlation analysis,a previously built machine learning model,providing a score ranging from 0(the poorest)to 1(the most favorable),was calculated for each man in the study *** machine learning model,which separates infertile/fertile men with unexplained infertility on the basis of their bioclinical signature,provides a more holistic evaluation of the influence of the considered markers(anthropometric,metabolic,and oxidative status).We observed a significant correlation of some anthropometric,metabolic,and nutritional disorders with some sperm ***,an unfavorable machine learning score was associated with a high level of sperm DNA *** anthropometric,metabolic,and oxidative patterns,which may reflect an appropriate lifestyle,appear to positively impact overall health,in particular reproductive *** study,consistent with previous publications,suggests that beyond semen quality parameters,in an essential assessment of male fertility,other key factors should be taken into *** this regard,the application of emerging artificial intelligence t

关键词： lifestyle machine learning metabolism nutrition sperm DNA fragmentation

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