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Interindividual Age-Independent Differences in Human CX43 Impact Ventricular Arrhythmic Risk

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Research 2024年第3期6卷 417-432页

作者： Laura García-Mendívil María pérez-Zabalza Antoni Oliver-Gelabert JoséMaría Vallejo-Gil Javier Fañanás-Mastral Manuel Vázquez-sancho Javier andréBellido-Morales Alexánder sebastián Vaca-Núñez Carlos Ballester-Cuenca Emiliano Diez Laura Ordovás esther pueyo Biomedical signal Interpretation and Computational simulation group(BsICos) Aragón Institute of Engineering ResearchUniversity of ZaragozaZaragoza 50018Spain BsICos Instituto de Investigación Sanitaria Aragón(IISA)Zaragoza 50018Spain Centro Universitario de la Defensa(CUD) Zaragoza 50090Spain. Department of Cardiovascular surgery University Hospital Miguel ServetZaragoza 50009Spain. Institute of Experimental Medicine and Biology of Cuyo(IMBECU) CONICETMendoza 5500Argentina. Fundación Agencia Aragonesa para la Investigación y el Desarrollo(ARAID) Zaragoza 50018Spain. Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine(CIBER-BBN)Zaragoza 50018Spain.

Connexin 43 (CX43) is one of the major components of gap junctions, the structures responsible for the intercellular communication and transmission of the electrical impulse in the left ventricle. There is limited information on the histological changes of CX43 with age and their effect on electrophysiology, especially in humans. Here, we analyzed left ventricular biopsies from living donors starting at midlife to characterize age-related CX43 remodeling. We assessed its quantity, degree of lateralization, and spatial heterogeneity together with fibrotic deposition. We observed no significant age-related remodeling of CX43. Only spatial heterogeneity increased slightly with age, and this increase was better explained by biological age than by chronological age. Importantly, we found that CX43 features varied considerably among individuals in our population with no relevant relationship to age or fibrosis content, in contrast to animal species. We used our experimental results to feed computational models of human ventricular electrophysiology and to assess the effects of interindividual differences in specific features of CX43 and fibrosis on conduction velocity, action potential duration, and arrhythmogenicity. We found that larger amounts of fibrosis were associated with the highest arrhythmic risk, with this risk being increased when fibrosis deposition was combined with a reduction in CX43 amount and/or with an increase in CX43 spatial heterogeneity. These mechanisms underlying high arrhythmic risk in some individuals were not associated with age in our study population. In conclusion, our data rule out CX43 remodeling as an age-related arrhythmic substrate in the population beyond midlife, but highlight its potential as a proarrhythmic factor at the individual level, especially when combined with increased fibrosis.

关键词： CX43 rhythm Independent

Challenges and prospects in bridging precision medicine and artificial intelligence in genomic psychiatric treatment

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World Journal of psychiatry 2024年第8期14卷 1148-1164页

作者： Uchenna esther Okpete Haewon Byeon Department of Digital Anti-aging Healthcare(BK21) Inje UniversityGimhae 50834South Korea

precision medicine is transforming psychiatric treatment by tailoring personalized healthcare interventions based on clinical,genetic,environmental,and lifestyle factors to optimize medication *** study investigates how artificial intelligence(AI)and machine learning(ML)can address key challenges in integrating pharmacogenomics(pGx)into psychiatric *** this integration,AI analyzes vast genomic datasets to identify genetic markers linked to psychiatric ***-driven models integrating genomic,clinical,and demographic data demonstrated high accuracy in predicting treatment outcomes for major depressive disorder and bipolar *** study also examines the pressing challenges and provides strategic directions for integrating AI and ML in genomic psychiatry,highlighting the importance of ethical considerations and the need for personalized *** implementation of AI-driven clinical decision support systems within electronic health records is crucial for translating pGx into routine psychiatric *** research should focus on developing enhanced AI-driven predictive models,privacy-preserving data exchange,and robust informatics systems to optimize patient outcomes and advance precision medicine in psychiatry.

关键词： precision medicine psychiatric treatment Genomic data Machine learning Deep learning Clinical decision making Data privacy Review

Loculated pericardial hematoma diagnosed with point-of-care ultrasound

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World Journal of Emergency Medicine 2024年第3期15卷 241-242页

作者： Joaquín Valle Alonso esther Montoro Leandro Noblia Emergency Department Royal Bournemouth HospitalBournemouth 14450UK Emergency Department Hospital Santa LuciaCartagena 30202Spain

pericardial hematoma is a rare but potentially lifethreatening consequence following cardiac surgery that requires prompt recognition and *** can present with symptoms such as chest pain,dyspnea,tachycardia,and hypotension,which may mimic other post-operative *** pericardial hematoma compressing the atria might be difficult to *** and hematoma are more common in patients receiving early anticoagulant therapy.A focused cardiac ultrasound (Fo CUs) plays a pivotal role in the diagnosis,revealing the presence of pericardial effusion and signs of cardiac *** aim of this report was to provide a prompt diagnosis of loculated pericardial hematoma via Fo CUs in the emergency department (ED).

关键词： hematoma diagnosis cardiac

Effect of Mushroom Extract Hericium erinaceus on spatial Memory and Morphology of Neurons in the CA1 and CA3 Regions of the Hippocampus in Ovariectomized Rats

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Open Journal of Veterinary Medicine 2024年第7期14卷 163-179页

作者： Lucia Garcia-Delgado Mariana Monserrath Verdía-Venegas Jacinto Bañuelos-pineda esther Albarrán-Rodríguez Guillermo Nolasco-Rodriguez José Ricardo Cuellar-pérez sergio Fausto-Guerra Manuel Rosales-Cortés Master in Behavioral sciences Institute of Neurosciences University of Guadalajara Zapopan Mexico Department of Veterinary Medicine Division of Veterinary Sciences CUCBA University of Guadalajara Zapopan Mexico Botany and Zoology Laboratory CUCBA University of Guadalajara Zapopan Mexico

Various studies indicate that low levels of estradiol negatively impact cognitive abilities. Extracts from the fungus Hericium erinaceus (HE) contain bioactive components that promote the proper functioning of the nervous system and potential effects on protection against neurodegenerative diseases, including dementia and motor dysfunctions. The objective was to evaluate the effects of the administration of the HE mushroom extract on visuospatial memory and morphology of neurons in the CA1 and CA3 regions of the hippocampus in ovariectomized rats. 40 young Wistar rats weighing 90 ± 10 g BW were used, which were distributed into four groups of 10 animals;Control Group, non-ovariectomized and untreated rats;Group E2, ovariectomized rats treated with estradiol (2 μg/kg/body weight);Group HE, ovariectomized rats treated with the extract of the fungus Hericium erinaceus (0.5 mg/kg body weight) and Group Ovx/sT, ovariectomized rats, without treatment. The animals were tested in the Barnes and Open Field maze, then they were sacrificed, and their brains were obtained to perform a histological analysis of neuronal morphology in the CA1 and CA3 areas of the hippocampus. The most outstanding results showed that the Ovx/sT group recorded the longest time to arrive at the escape box and stay in the Barnes maze. A correlation was observed between neuronal damage and function;in the groups that did not present satisfactory performance in the maze tests, morphological alterations were identified such as the presence of some neuronal somata with degeneration characteristics such as pyknosis, nuclear basophilia and shrinkage of the cells. Its soma, as well as a decrease in the nuclear area of CA1 and CA3 neurons. It is concluded that the fungus Hericium erinaceus exerted a neuroprotective effect on the neuronal bodies of the hippocampus, associated with better performance in the visuospatial recognition memory test.

关键词： Ovariectomized Rats Ovarian Hypofunction Estradiol Hericium erinaceus Barnes Circular Labyrinth Open Field Labyrinth

Are school uniforms associated with gender inequalities in physical activity? A pooled analysis of population-level data from 135 countries/regions

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Journal of sport and Health science 2024年第4期13卷 590-598页

作者： Mairead Ryan Luiza I.C.Ricardo Nicole Nathan Riikka Hofmann esther van sluijs Medical Research Council Epidemiology Unit University of CambridgeCambridge CB20QQUK Faculty of Education University of CambridgeCambridge CB28PQUK Hunter New England population Health WallsendNSW 2287Australia school of Medicine and public Health College of HealthMedicine and WellbeingUniversity of NewcastleCallaghanNSW 2308Australia Hunter Medical Research Institute New Lambton HeightsNSW 2305Australia National Centre of Implementation science University of NewcastleCallaghanNSW 2308Australia

purpose:It is aimed to assess whether school uniforms are associated with population-level gender inequalities in physical activity,and whether associations differ by school level,country/region income,and assessment ***:An ecological study design was *** collected data about global uniform practices using an online *** searched for country/region-level estimates of school-aged youth meeting physical activity guidelines from international surveillance *** selection was conducted in duplicate using a systematic process,and a random sample of all data was checked to ensure extraction and pooling processes were *** calculated absolute and relative gender inequalities in physical activity for each *** regression examined associations between country/region-level uniform practices(binary yes/no exposure variable) and country/region-level gender inequalities in physical activity guideline compliance(absolute and relative inequalities).We investigated moderation by school level,stratified analyses by income group,and repeated primary analyses using device-measured ***:pooling data from 135 countries/regions(n=1,089,852),we found no association between population-level uniform practices and gender inequalities in physical activity across all ages(absolute:β=-0.2;95% confidence interval(95%CI):-1.7 to 1.3,p=0.74;relative:β=0.1;95%CI:-0.1 to 0.2,p=0.51).subgroup analysis suggested a positive association in primary school settings(absolute:β=4.3;95%CI:-0.0 to 8.6,p=0.05).Among high-income countries,absolute inequalities were significantly greater in countries/regions with uniform practices(N=37) compared to those without(N=48)(9.1(sD=3.6) vs.7.8 percentage points(sD=4.3)).Repeating analyses using device-measured data(n=32,130;N=24) did not alter our primary *** initial descriptive statistics,we found that in countries/regions where a maj ority of schools(>50%) reportedly use uniforms,there was lower compli

关键词： school policy Clothing Child Adolescent Accelerometer

periodontal disease:A silent factor in the development and progression of diabetic retinopathy

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World Journal of Diabetes 2024年第8期15卷 1672-1676页

作者： sarah Monserrat LomelíMartínez Irán Cortés Trujillo Melissa Martínez Nieto Ana esther Mercado González Department of Medical and Life sciences Centro Universitario de la CiénegaUniversidad de GuadalajaraOcotlán 47810Mexico Master of public Health Department of Wellbeing and SustainableCentro Universitario del NorteUniversidad de GuadalajaraColotlán 46200Mexico periodontics program Department of Integrated Dentistry ClinicsCentro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajara 44340Mexico Antiguo Hospital Civil de Guadalajara“Fray Antonio Alcalde” Guadalajara 44280Mexico

The global increase in the prevalence of type 2 diabetes mellitus(T2DM)and its complications presents significant challenges to public ***,periodontal disease(pD)was recognized as a factor that is likely to influence the progression of T2DM and its complications due to its potential to exacerbate systemic inflammation and oxidative *** this editorial,we comment on the article published by Thazhe poyil et al in the very recent issue of the World Journal of Diabetes in 2024,which investigated the correlation between pD and diabetic retinopathy(DR)in T2DM patients,with emphasis on the association between periodontal swollen surface area,glycated hemoglobin(HbA1c),interleukin-6(IL-6),and lipoprotein(a).The findings by Thazhe poyil et al are significant as they demonstrate a strong link between pD and DR in T2DM *** correlation highlights the importance of addressing periodontal health in diabetes management to potentially reduce the risk and severity of DR,a complication of *** integration of periodontal evaluation and treatment into diabetes care protocols may lead to improved glycemic control and better overall outcomes for T2DM patients.A few studies have established an interconnection between pD and diabetic complication,specifically DR,in T2DM patients,which we aim to highlight in this *** was placed on the different mechanisms that suggest a bidirectional relationship between pD and T2DM,where the presence of periodontal inflammation negatively influenced glycemic control and contributed to the development and progression of DR through shared inflammatory and vascular *** article highlights the importance of collaboration amongst diabetes specialists,ophthalmologists,periodontists,and public health professionals to advance the prevention,early detection,and treatment of pD and *** will improve the health and quality of life of T2DM ***,the editorial highlights the need for further re

关键词： Type 2 diabetes mellitus periodontal disease periodontitis Diabetic retinopathy Editorial

Contraceptive behaviors and awareness in an urban slum community of south India

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Asian pacific Journal of Reproduction 2024年第4期13卷 160-168页

作者： Monica Albert sekhar shanthi Edward Angeline Grace sushmitha G shirley esther priscilla Department of Community Medicine Sree Balaji Medical College and Hospital(SBMCH)ChennaiIndia

Objective:To assess the factors associated with knowledge,attitude and behavior of contraception use among urban slum population in ***:A cross-sectional study was conducted in the urban slum of Anakaputhur,*** couples between ages of 19-49 years and living in slum areas were taken up for the study by simple random *** women,postnatal and postmenopausal women were excluded from the *** collection was done using a pretested structured questionnaire focusing on details regarding contraception knowledge,attitude,and *** analysis was done using IBM spss version *** test like Chi square and odds ratio(OR)were used to identify association between knowledge,attitude,and behavior of contraception with the associated variables and enter method of logistic regression analysis was ***:Out of the 360 respondents,228 were females,with a mean age of(34±5)*** 43%demonstrated adequate knowledge of contraception use,and 91%were aware of at least one contraceptive ***,72%exhibited a positive attitude towards contraceptive ***,43%(155 individuals)did not utilize any contraceptive *** contraceptive users,intrauterine devices were the most commonly adopted,followed by barrier methods and female *** was significant association between knowledge of contraception and education(aOR 7.29,95%CI 2.93-18.10,ppsocioeconomic class(aOR 3.66,95%CI 1.71-7.85,pps contraception use,education(aOR 8.54,95%CI 2.35-31.03,psex(aOR 0.15,95%CI 0.06-0.37,ppsocio-economic class(aOR 4.42,95%CI 1.97-9.92,ppps that had a significant ***:These findings underscore the imperative for enhanced d

关键词： Family planning Unmet need sterilization Knowledge practice Urban slum

social determinants of gastrointestinal malformation mortality in Brazil:a national study

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World Journal of pediatric surgery 2024年第2期7卷 134-141页

作者： Ayla Gerk Amanda Rosendo Luiza Telles Aricia Gomes Miranda Madeleine Carroll Bruna Oliveira Trindade sarah Bueno Motter esther Freire Gabriella Hyman Julia Ferreira Fabio Botelho Roseanne Ferreira David p Mooney Joaquim Bustorff-silva program in Global surgery and social Change Harvard Medical SchoolBostonMassachusettsUSA Faculty of Medicine and Health sciences McGill UniversityMontrealQuebecCanada Harvey E.Beardmore Division of pediatric surgery The Montreal Children's HospitalMcGill University Health CentreMontrealQuebecCanada Department of surgery Universidade Estadual de Campinas(UNICAMP)CampinasBrazil Instituto de Educação Médica(IDOMED/Estácio Campus Vista Carioca)Rio de JaneiroBrazil Faculty of Medicine Universidade Federal do Delta do ParnaibaParnaibaPiauiBrazil Universidade Federal de Ciencias da saude de porto Alegre Porto AlegreBrazil Universidade Federal da Bahia SalvadorBrazil Department of Health Research Methods McMaster UniversityHamiltonSouthern OntarioCanada Department of pediatric surgery Boston Children's HospitalBostonMassachusettsUSA

Introduction In Brazil,approximately 5%are born with a congenital disorder,potentially fatal without *** study aims to evaluate the relationship between gastrointestinal congenital malformation(GICM)mortality,health indicators,and socioeconomic factors in *** GICM admissions(Q39-Q45)between 2012 and 2019 were collected using national *** demographics,socioeconomic factors,clinical management,outcomes,and the healthcare workforce density were also accounted *** surgical Workforce density and the number of neonatal intensive care units in a region were extracted from national datasets and combined to create a clinical index termed'Neosurg'.socioeconomic variables were combined to create a socioeconomic index termed socEcon'.simple linear regression was used to investigate if the temporal changes of both indexes were *** correlation between mortality and the different indicators in Brazil was evaluated using pearson's correlation *** Over 8 years,Brazil recorded 12804 GICM *** southeast led with 6147 cases,followed by the Northeast(2660),south(1727),North(1427),and Midwest(843).The North and Northeast reported the highest mortality,lowest Neosurg,and socEcon Index ***,mortality rates declined across regions from 7.7%(2012)to 3.9%(2019),a 51.7%*** North and Midwest experienced the most substantial reductions,at 63%and 75%,*** significantly correlated with the indexes in nearly all regions(psion Our study highlights the correlation between social determinants of health and GICM mortality in Brazil,using two novel indexes in the pediatric *** findings provide an opportunity to rethink and discuss new indicators that could enhance our understanding of our country and could lead to the development of necessary solutions to tackle existing challenges in Brazil and globally.

关键词： Northeast Brazil globally

Lifestyles of Older Adults in Castilla-La Mancha(spain):Influence of sex,Age,and Habitat

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Fudan Journal of the Humanities and social sciences 2024年第2期17卷 313-335页

作者： esther portal Martínez Juan Lirio Castro David Alonso González JoséLuis Gómez Ramos University of Castilla-La Mancha Talavera de la ReinaSpain Complutense University MadridSpain

This paper presents the quantitative research results of a comprehensive study titled“Current profle of Older Adults in Castilla-La Mancha(spain).”The study aims to understand and describe the characteristics of individuals aged 65 and above within this autonomous region,with a focus on the variables of sex,age,and habitat.A cross-sectional approach was employed,utilizing quantitative methods to collect *** gather information,a customized questionnaire was developed to address the study objectives,covering various aspects such as sociodemographic factors,living conditions,leisure activities,social participation,and cultural *** survey was conducted via telephone,ensuring representation by employing gender quotas,age-group stratifcation,and considerations for habitat size.A representative sample of 1,065 participants was included in the *** fndings reveal a degree of homogeneity in the lifestyles of older adults,with discernible variations infuenced by factors such as sex,habitat,and *** results shed light on the diverse habits and experiences of older adults,emphasizing the signifcance of habitat conditions,social participation,and the aging process.

关键词： Lifestyle habits Older adults Habitat conditions social participation Aging experience