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Vitamin A deficiency suppresses CEACAM1 to impair colonic epithelial barrier function via downregulating microbial-derived short-chain fatty acids

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Genes & Diseases 2024年第2期11卷 1066-1081页

作者： Junyan Yan Lu Xiao Di Feng Baolin Chen Ting Yang Bei Tong Ruifang Luo Yuting Wang Jie Chen Children Nutrition research Center Children's Hospital of Chongqing Medical UniversityChongqing Key Laboratory of Child Nutrition and HealthMinistry of Education Key Laboratory of Child Development and DisordersNational Clinical Research Center for Child Health and DisordersChongqing 401122China Department of Gastroenterology Children's Hospital of Chongqing Medical UniversityChongqing 401122China

Vitamin A (VA) plays an essential role in modulating both the gut microbiota and gut barrier ***-chain fatty acids (SCFAs),as metabolites of the gut microbiota,protect the physiological intestinal barrier;however,they are compromised when VA is ***,there is an urgent need to understand how and which SCFAs modulate colonic epithelial barrier integrity in VA deficiency (VAD).Herein,compared with normal VA rats (VAN),at the beginning of pregnancy,we confirmed that the colonic desmosome junction was impaired in the VAD group,and the amounts of acetate,propionate,and butyrate declined because of the decreased abundance of SCFA-producing bacteria (Romboutsia ,Collinsella ,and Allobaculum ).The differentially expressed genes correlated with the gut barrier and the histone deacetylase complex between the VAD and VAN groups were enriched by RNA *** the VAD group,the expression levels of colonic CEA cell adhesion molecule 1 (CEACAM1) were down-regulated,and the levels of histone deacetylase 1 (HDAC1) and HDAC3 were ***,the above changes in the VAD groups were rescued by VA supplementation in the early postnatal *** study indicated that in Caco-2 cells,butyrate treatment significantly repressed the enrichment of HDAC3 on the promoter of the CEACAM1 gene to induce its *** findings support that butyrate intervention can alleviate the impairment of colonic barrier function caused by VAD,and timely postnatal VA intervention may reverse the damage caused by VAD on gut barrier integrity during pregnancy.

关键词： CEACAM1 Colonic epithelial barrier HDAC3 Short-chain fatty acids Vitamin A deficiency

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Effect of resistance training volume on body adiposity,metabolic risk,and inflammation in postmenopausal and older females:Systematic review and meta-analysis of randomized controlled trials

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Journal of Sport and Health Science 2024年第2期13卷 145-159页

作者： Paulo Ricardo Prado Nunes Pamela Castro-e-Souza Anselmo Alves de Oliveira Bruno de Freitas Camilo Gislaine Cristina-Souza Lucio Marques Vieira-Souza Marcelo Augusto da Silva Carneiro Department of Body and Human Movement Minas Gerais State University(UEMG)37902-092 PassosMGBrazil University Center of Planalto de Araxa(UNIARAXA) 38180-129 AraxaMGBrazil Physical Activity Health and Ageing Research Group(GPASE)Minas Gerais State University(UEMG)37902-092 PassosMGBrazil Exercise and Nutrition research group(GPEN) Minas Gerais State University(UEMG)37902-092 PassosMGBrazil Sport Sciences and Physical Exercise Study and research group(GEPCEEX) Minas Gerais State University(UEMG)37902-092 PassosMGBrazil Metabolism Nutrition and Exercise LaboratoryPhysical Education and Sport CenterLondrina State University(UEL)86050-070 LondrinaPRBrazil Postgraduate Program in Physical Education Federal University of Sergipe(UFS)49107-230 Sao CristovaoSEBrazil

Purpose:This meta-analytical study aimed to explore the effects of resistance training(RT) volume on body adiposity,metabolic risk,and inflammation in postmenopausal and older ***:A systematic search was performed for randomized controlled trials in PubMed,Scopus,Web of Science,and *** controlled trials with postmenopausal and older females that compared RT effects on body adiposity,metabolic risk,and inflammation with a control group(CG) were *** reviewers selected the studies,extracted the data,and performed the risk of bias and certainty of the evidence(Grading of Recommendations,Assessment,Development,and Evaluation(GRADE)) *** body and abdominal adiposity,blood lipids,glucose,and C-reactive protein were included for meta-analysis.A random-effects model,standardized mean difference(Hedges’ g),and 95% confidence interval(95%CI) were used for ***:Twenty randomized controlled trials(overall risk of bias:some concerns;GRADE:low to very low) with overweight/obese postmenopausal and older females were *** groups were divided into low-volume RT(LVRT,~44 sets/week) and high-volume RT(HVRT,~77 sets/week).Both RT groups presented improved body adiposity,metabolic risk,and inflammation when compared to ***,HVRT demonstrated higher effect sizes than LVRT for glucose(HVRT=-1.19;95%CI:-1.63 to-0.74;LVRT=-0.78;95%CI:-1.15 to-0.41) and C-reactive protein(HVRT=-1.00;95%CI:-1.32 to-0.67;LVRT=-0.34;95%CI,-0.63 to-0.04)) when compared to ***:Compared to CG,HVRT protocols elicit greater improvements in metabolic risk and inflammation outcomes than LVRT in overweight/obese postmenopausal and older females.

关键词： C-reactive protein Fat mass Lipid profile Menopause Strength training

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Network analysis of suicide ideation and depression-anxiety symptoms among Chinese adolescents

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General Psychiatry 2024年第2期37卷 216-223页

作者： Shuyin Xu Yumeng Ju Xiyu Wei Wenwen Ou Mohan Ma Guanyi Lv Xiaotian Zhao Yaqi Qin Yunjing Li Liang Li Mei Huang Siqi Yang Yimei Lu Yafei Chen Junwu Liu Jin Liu Bangshan Liu Yan Zhang Department of Psychiatry National Clinical Research Center for Mental Disordersand National Center for Mental DisordersThe Second Xiangya Hospital of Central South UniversityChangshaHunanChina Mental Health Institute of Central South University China National Technology Institute on Mental DisordersHunan Technology Institute of PsychiatryHunan Key Laboratory of Psychiatry and Mental HealthHunan Medical Center for Mental HealthChangshaHunanChina

Background The co-occurrence of depression and anxiety among adolescents is typically associated with suicide *** The study aimed to investigate the symptom-level relationship between suicide ideation and the comorbidity of depression and *** 1501 adolescents aged 12-19 years were assessed using the Patient Health Questionnaire(PHQ-9)and the Generalized Anxiety Disorder Scale,and 716 adolescents who scored≥5 on both scales were selected as *** analysis was used to identify the network structure of depressive symptoms and anxiety *** were categorised into either the suicide ideation or non-suicide ideation groups based on their scoring on the suicide-related item in PHQ-9.A comparison was made between the depression-anxiety symptom networks of the two ***‘Restlessness’,‘sad mood’and‘trouble relaxing’were the most prominent central symptoms in the depression-anxiety symptom network,and‘restlessness’,‘nervousness’and‘reduced movement’were the bridge symptoms in this network.‘Sad mood’was found to be directly related to‘suicide ideation’with the highest *** network structure was significantly different in properties between the suicide ideation group and the non-suicide ideation group,with‘restlessness’and‘sad mood’exhibiting significantly higher influence in the network of the suicide ideation group than that in the non-suicide ideation *** Restlessness and sad mood could be targeted for the intervention of depression-anxiety symptoms among adolescents with suicide ideation.

关键词： symptoms adolescent assessed

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Dose-response effect of pre-exercise carbohydrates under muscle glycogen unavailability:Insights from McArdle disease

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Journal of Sport and Health Science 2024年第3期13卷 398-408页

作者： Pedro L.Valenzuela Alfredo Santalla Lidia B.Alejo Andrea Merlo Asuncion Bustos Laura Castellote-Belles Roser Ferrer-Costa Nicola A.Maffiuletti David Barranco-Gil Tomas Pinos Alejandro Lucia Physical Activity and Health research group(“PaHerg”) Research Institute of Hospital“12 de Octubre”(“imas12”)Madrid 28041Spain Department of Systems Biology University of AlcalaMadrid 28871Spain Department of Sport and Computer Science Section of Physical Education and SportsFaculty of SportUniversidad Pablo de OlavideSevilla 41013Spain EVOPRED research group Universidad Europea de CanariasTenerife 38300Spain Faculty of Sport Sciences Universidad Europea de MadridMadrid 28670Spain Gait&Motion Analysis Laboratory Sol et Salus HospitalTorre Pedrera di Rimini(RN)47922Italy Department of Clinical Biochemistry Laboratoris ClınicsHospital Universitari Vall d’HebronBarcelona 08035Spain Human Performance Lab Schulthess ClinicZurich 8008Switzerland Biomedical research Networking Center on Rare disorders(CIBERER) Barcelona 08035Spain Mitochondrial and Neuromuscular disorders Unit Vall d’Hebron Institut de RecercaUniversitat Autonoma de BarcelonaBarcelona 08035Spain

Background:This study aimed to determine the effect of different carbohydrate(CHO)doses on exercise capacity in patients with McArdle disease—the paradigm of“exercise intolerance”,characterized by complete muscle glycogen unavailability—and to determine whether higher exogenous glucose levels affect metabolic responses at the McArdle muscle cell(in vitro)***:Patients with McArdle disease(n=8)and healthy controls(n=9)underwent a 12-min submaximal cycling constant-load bout followed by a maximal ramp test 15 min after ingesting a non-caloric *** a randomized,double-blinded,cross-over design,patients repeated the tests after consuming either 75 g or 150 g of CHO(glucose:fructose=2:1).Cardiorespiratory,biochemical,perceptual,and electromyographic(EMG)variables were ***,glucose uptake and lactate appearance were studied in vitro in wild-type and McArdle mouse myotubes cultured with increasing glucose concentrations(0.35,1.00,4.50,and 10.00 g/L).Results:Compared with controls,patients showed the“classical”second-wind phenomenon(after prior disproportionate tachycardia,myalgia,and excess electromyographic activity during submaximal exercise,all passociated with total muscle glycogen *** of these benefits are dose dependent.

关键词： Endurance Glycogen storage disease Glycogenosis Nutrition Supplement

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Glucagon-like peptide 1 receptor activation:anti-inflammatory effects in the brain

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Neural Regeneration research 2024年第8期19卷 1671-1677页

作者： Yolanda Diz-Chaves Zainab Maastor Carlos Spuch José Antonio Lamas Lucas C.González-Matías Federico Mallo Biomedical research Centre(CINBIO) Laboratory of EndocrinologyUniversity of VigoGalicia Sur Health Research InstituteVigoSpain Translational Neuroscience research group Galicia Sur Health Research InstituteCIBERSAMHospitalÁlvaro CunqueiroSala InvestigaciónEstrada Clara CampoamorVigoSpain Biomedical research Centre(CINBIO) Laboratory of NeuroscienceUniversity of VigoGalicia Sur Health Research InstituteVigoSpain

The glucagon-like peptide 1 is a pleiotropic hormone that has potent insulinotropic effects and is key in treating metabolic diseases such as diabetes and ***-like peptide 1 exerts its effects by activating a membrane receptor identified in many tissues,including diffe rent brain ***-like peptide 1 activates several signaling pathways related to neuroprotection,like the support of cell growth/survival,enhancement promotion of synapse formation,autophagy,and inhibition of the secretion of proinflammatory cytokines,microglial activation,and apoptosis during neural *** glial cells,including astrocytes and microglia,maintain metabolic homeostasis and defe nse against pathogens in the central nervous *** brain insult,microglia are the first cells to respond,followed by reactive *** activated cells produce proinflammato ry mediators like cytokines or chemokines to react to the ***,under these circumstances,mic roglia can become chro nically inflammatory by losing their homeostatic molecular signature and,consequently,their functions during many *** processes promote the development of neurological disorders and influence their pathological evolution:like the formation of protein aggregates,the accumulation of abnormally modified cellular constituents,the formation and release by injured neurons or synapses of molecules that can dampen neural function,and,of critical impo rtance,the dysregulation of inflammato ry control *** glucagonlike peptide 1 receptor agonist emerges as a critical tool in treating brain-related inflammatory pathologies,restoring brain cell homeostasis under inflammatory conditions,modulating mic roglia activity,and decreasing the inflammato ry *** review summarizes recent advances linked to the anti-inflammato ry prope rties of glucagon-like peptide 1 receptor activation in the brain related to multiple sclerosis,Alzheimer’s disease,Parkins

关键词： astrocytes brain glucagon-like peptide 1 receptor inflammation microglia

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A typology of clustered housing for older adults towards opportunities for social interaction:A case study of Dutch social housing

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Frontiers of Architectural research 2024年第3期13卷 561-574页

作者： Kim Hamers Nienke Moor Masi Mohammadi research group Architecture in Health HAN University of Applied SciencesArnhemthe Netherlands Chair Smart Architectural Technologies Eindhoven University of TechnologyEindhoventhe Netherlands

Dutch housing associations are dealing with a growing number of tenants who are ageing in ***,there is a lack of suitable housing that meets the(social)needs of this target *** housing,which offers a socio-spatial context that facilitates encounters between residents,is considered a promising housing concept to(partly)fill this ***,clustered housing is a broad concept consisting of a variety of housing types that differ from each other in the extent to which people“live together”.Still little is known about which types of clustered housing can be distinguished in relation to the potential for social ***,in this article we distinguish between types of clustered housing based on social,organizational,and spatial building *** have mapped these characteristics by combining real estate data of housing association Woonzorg Nederland with survey data collected among their building *** on this dataset,an explorative cluster analysis was performed,resulting in four types of clustered ***,further exploration of the data shows that,from the perspective of building managers,residents of certain types of clustered housing interact more often and feel more connected with each other than residents of non-clustered housing types.

关键词： Clustered housing Typology Seniors Social housing

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Hemorrhagic transformation in patients with large-artery atherosclerotic stroke is associated with the gut microbiota and lipopolysaccharide

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Neural Regeneration research 2024年第7期19卷 1532-1540页

作者： Qin Huang Minping Wei Xianjing Feng Yunfang Luo Yunhai Liu Jian Xia Department of Neurology Xiangya HospitalCentral South UniversityChangshaHunan ProvinceChina Department of Neurology Peking University People’s HospitalBeijingChina Clinical research Center for Cerebrovascular Disease of Hunan Province Central South UniversityChangshaHunan ProvinceChina National Clinical research Center for Geriatric disorders Xiangya HospitalCentral South UniversityChangshaHunan ProvinceChina

Hemorrhagic transformation is a major complication of large-artery atheroscle rotic stroke(a major ischemic stro ke subtype)that wo rsens outcomes and increases *** of the gut microbiota is an important feature of stroke,and some specific bacteria and bacterial metabolites may contribute to hemorrhagic transformation *** aimed to investigate the relationship between the gut microbiota and hemorrhagic transformation in largearte ry atheroscle rotic stro *** observational retrospective study was *** May 2020 to September 2021,blood and fecal samples were obtained upon admission from 32 patients with first-ever acute ischemic stroke and not undergoing intravenous thrombolysis or endovascular thrombectomy,as well as 16 healthy *** with stro ke who developed hemorrhagic transfo rmation(n=15)were compared to those who did not develop hemorrhagic transformation(n=17)and with healthy *** gut microbiota was assessed through 16S ribosomal ribonucleic acid *** also examined key components of the lipopolysaccharide pathway:lipopolysaccharide,lipopolysaccharide-binding protein,and soluble *** observed that bacterial diversity was decreased in both the hemorrhagic transformation and non-hemorrhagic transfo rmation group compared with the healthy *** patients with ischemic stro ke who developed hemorrhagic transfo rmation exhibited altered gut micro biota composition,in particular an increase in the relative abundance and dive rsity of members belonging to the Enterobacteriaceae *** lipopolysaccharide and lipopolysaccharide-binding protein levels were higher in the hemorrhagic transformation group compared with the non-hemorrhagic transfo rmation ***,lipopolysaccharide-binding protein,and soluble CD14 concentrations were associated with increased abundance of Enterobacte ***,the role of the gut microbiota in hemorrhagic transformation was evaluated using

关键词： gut microbiota hemorrhagic transformation inflammation lipopolysaccharide stroke

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Cerebral autoregulation-directed optimal blood pressure management reduced the risk of delirium in patients with septic shock

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Journal of Intensive Medicine 2024年第3期4卷 376-383页

作者： Qianyi Peng Xia Liu Meilin Ai Li Huang Li Li Wei Liu Chunguang Zhao Chenghuan Hu Lina Zhang Department of Critical Care Medicine Xiangya HospitalCentral South UniversityChangshaHunanChina Hunan Provincial Clinical research Center for Critical Care Medicine Xiangya HospitalCentral South UniversityChangshaHunanChina National Clinical research Center for Geriatric disorders Xiangya HospitalCentral South UniversityChangshaHunanChina

Background When resuscitating patients with septic shock,cerebrovascular reactivity parameters are calculated by monitoring regional cerebral oxygen saturation(rSO_(2))using near-infrared spectroscopy to determine the optimal blood ***,we aimed to analyze the impact of cerebral autoregulation-directed optimal blood pressure management on the incidence of delirium and the prognosis of patients with septic *** This prospective randomized controlled clinical study was conducted in the Xiangya Hospital of Central South University,***-one patients with septic shock(December 2020–May 2022)were enrolled and randomly allocated to the experimental(n=26)or control group(n=25).Using the ICM+software,we monitored the dynamic changes in rSO_(2) and mean arterial pressure(MAP)and calculated the cerebrovascular reactivity parameter tissue oxygen reactivity index to determine the optimal blood pressure to maintain normal cerebral autoregulation function during resuscitation in the experimental *** control group was treated according to the Surviving Sepsis Campaign *** in the incidence of delirium and 28-day mortality between the two groups were compared,and the risk factors were *** The 51 patients,including 39 male and 12 female,had a mean age of(57.0±14.9)*** incidence of delirium was 40.1%(23/51),and the 28-day mortality rate was 29.4%(15/51).The mean MAP during the first 24 h of intensive care unit(ICU)admission was higher([84.5±12.2]mmHg vs.[77.4±11.8]mmHg,P=0.040),and the incidence of delirium was lower(30.8%vs.60.0%,P=0.036)in the experimental group than in the control *** use of cerebral autoregulation-directed optimal blood pressure(odds ratio[OR]=0.090,95%confidence interval[CI]:0.009 to 0.923,P=0.043)and length of ICU stay(OR=1.473,95%CI:1.093 to 1.985,P=0.011)were risk factors for delirium during septic *** drug dose(OR=8.445,95%CI:1.26 to 56.576,P=0.028)and partial pressure of o

关键词： Septic shock Cerebral regional oxygen saturation Optimal blood pressure Delirium Mortality

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Molecular biomarkers for vascular cognitive impairment and dementia:the current status and directions for the future

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Neural Regeneration research 2024年第12期19卷 2579-2580页

作者： Satoshi Hosoki Perminder SSachdev Centre for Healthy Brain ageing Discipline of Psychiatry and Mental HealthSchool of Clinical MedicineFaculty of Medicine and HealthUniversity of New South WalesSydneyAustralia Department of Neurology National Cerebral and Cardiovascular CenterOsakaJapan

Dementia is a syndrome with various underlying pathologies acting independently or in concert to cause cognitive *** development of disease-specific treatments and targeted prevention strategies requires precise clinical sub-typing via etiology and pathophysiological ***,recent research advances in biomarkers,especially for Alzheimer's disease(AD)diagnosis,have improved diagnostic precision for dementia.

关键词： prevention diagnosis impairment

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Mental health in organizations from a healthcare analytics framework:taxonomic model,trends,and impact of COVID-19

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Journal of Management Analytics 2024年第1期11卷 62-86页

作者： Jorge Iván Pérez Rave Carlos Mario Zapata Jaramillo Gloria Patricia Jaramillo Álvarez IDINNOV research group IDINNOV S.A.SMedellínColombia Department of Computing and Decision Sciences Universidad Nacional de ColombiaMedellínColombia

Mental disorders negatively affect employee well-being and organizational *** face a challenge in terms of how to manage mental *** paper clarifies three issues(underlying patterns,trends,and impact of COVID-19)regarding the scientific study of mental health in organizations from a healthcare analytics *** framework comprises eight stages considering a text-driven approach with scientific corpora assisted by linguistic/computational and statistical *** study discovers a new taxonomic model comprising five patterns in the scientific discourse on the *** analyses reveal imbalances and concerns regarding the interests associated with the patterns,which is reinforced by examining patterns“before”and“during”*** paper complements psychological/epidemiological studies on mental health in organizations from a healthcare analytics perspective.

关键词： Healthcare analytics healthcare management analytics mental health scientific discourse text analytics taxonomy COVID-19 management analytics

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