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Applying Machine Learning Approach to Explore Childhood Circumstances and Self-Rated Health in Old Age-China and the US,2020-2021

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China CDC weekly 2024年第11期6卷 213-218,I0008-I0013页

作者： Shutong Huo Derek Feng Thomas M.Gill Xi Chen department of Health Society&BehaviorPublic HealthUniversity of CaliforniaIrvineCAUSA department of Statistics and Data Science Yale UniversityNew HavenCTUS department of Internal medicine Yale School of MedicineNew HavenCTUS department of Health Policy and Management Yale School of Public HealthNew HavenCTUS department of Economics Yale UniversityNew HavenCTUS.

Introduction:Childhood circumstances impact senior health,prompting the introduction of machine learning methods to assess their individual and collective contributions to senior ***:Using health and retirement study(HRS)and China Health and Retirement Longitudinal Study(CHARLS),we analyzed 2,434 American and 5,612 Chinese participants aged 60 and *** inference trees and forests were employed to estimate the influence of childhood circumstances on self-rated health(SRH).Results:The conventional method estimated higher inequality of opportunity(IOP)values in both China(0.039,accounting for 22.67%of the total Gini coefficient 0.172)and the US(0.067,accounting for 35.08%of the total Gini coefficient 0.191).In contrast,the conditional inference tree yielded lower estimates(China:0.022,accounting for 12.79%of 0.172;US:0.044,accounting for 23.04%of 0.191),as did the forest(China:0.035,accounting for 20.35%of 0.172;US:0.054,accounting for 28.27%of 0.191).Childhood health,financial status,and regional differences were key determinants of senior *** conditional inference forest consistently outperformed others in predictive accuracy,as demonstrated by lower out-of-sample mean squared error(MSE).Discussion:The findings emphasize the need for early-life interventions to promote health equity in aging *** learning showcases the potential in identifying contributing factors.

关键词： collective inequality estimates

Recipient functional status impacts on short and long-term intestinal transplant outcomes in United States adults

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World Journal of Transplantation 2024年第3期14卷 80-94页

作者： Sarpong Boateng Prince Ameyaw Solomon Gyabaah Yaw Adjepong Basile Njei department of medicine Yale New Haven HealthBridgeport HospitalBridgeportCT 06610United States department of Epidemiology and Biostatistics University of North TexasFort WorthTX 76107United States department of medicine Komfo Anokye Teaching HospitalKumasi KS 1934Ghana yale university school of medicine New HavenCT 06520United States Section of Digestive Diseases Yale University School of MedicineNew HavenCT 06520United States

BACKGROUND Recipient functional status prior to transplantation has been found to impact post-transplant outcomes in heart,liver and kidney ***,information on how functional status,before and after transplant impacts post-transplant survival outcomes is *** To investigate the impact of recipient functional status on short and long term intestinal transplant outcomes in United States *** We conducted a retrospective cohort study on 1254 adults who underwent first-time intestinal transplantation from 2005 to *** primary outcome was *** the Karnofsky Performance Status,functional impairment was categorized as severe,moderate and *** were conducted using Kaplan-Meier curves and multivariable Cox *** The median age was 41 years,majority(53.4%)were *** impairment was present in 28.3%of *** median survival time was 906.6 *** median survival time was 1331 and 560 days for patients with normal and severe functional impairment *** with severe impairment had a 56%higher risk of mortality at one year[Hazard ratio(HR)=1.56;95%CI:1.23–1.98;P<0.001]and 58%at five years(HR=1.58;95%CI:1.24–2.00;P<0.001)compared to patients with no functional *** with worse functional status after transplant also had poor survival *** Pre-and post-transplant recipient functional status is an important prognostic indicator for short-and long-term intestinal transplant outcomes.

关键词： Intestinal transplantation Functional status Karnofsky performance status Post-transplant outcomes Survival analysis Transplant outcome

Dietary pyruvate targets cytosolic phospholipase A2 to mitigate inflammation and obesity in mice

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Protein & Cell 2024年第9期15卷 661-685页

作者： Sadaf Hasan Nabil Ghani Xiangli Zhao Julia Good Amanda Huang Hailey Lynn Wrona Jody Liu Chuan-ju Liu department of Orthopedic Surgery New York University Grossman School of MedicineNew YorkNY 10016United States department of medicine Division of Internal MedicineSaint Peter’s University HospitalRutgers UniversityNew BrunswickNJ 08901United States Cornell university IthacaNew YorkNYUnited States department of Biomedical Engineering University of North Carolina Chapel HillChapel HillNC 27599United States New York university NY 14853United States department of Cell Biology New York University Grossman School of MedicineNew YorkNY 10016United States department of Orthopedics&Rehabilitation Yale University School of MedicineNew HavenCT 06510United States

Obesity has a multifactorial etiology and is known to be a state of chronic low-grade inflammation,known as *** state is associated with the development of metabolic disorders such as glucose intolerance and nonalcoholic fatty liver *** is a glycolytic metabolite and a crucial node in various metabolic ***,its role and molecular mechanism in obesity and associated complications are *** this study,we reported that pyruvate substantially inhibited adipogenic differentiation in vitro and its administration significantly prevented HFD-induced weight gain,white adipose tissue inflammation,and metabolic *** identify the target proteins of pyruvate,drug affinity responsive target stability was employed with proteomics,cellular thermal shift assay,and isothermal drug response to detect the interactions between pyruvate and its molecular ***,we identified cytosolic phospholipase A2(cPLA2)as a novel molecular target of pyruvate and demonstrated that pyruvate restrained diet-induced obesity,white adipose tissue inflammation,and hepatic steatosis in a cPLA2-dependent *** with global ablation of cPLA2 in mice showed that the protective effects of pyruvate were largely abrogated,confirming the importance of pyruvate/cPLA2 interaction in pyruvate attenuation of inflammation and ***,our study not only establishes pyruvate as an antagonist of cPLA2 signaling and a potential therapeutic option for obesity but it also sheds light on the mechanism of its ***’s prior clinical use indicates that it can be considered a safe and viable alternative for obesity,whether consumed as a dietary supplement or as part of a regular diet.

关键词： metabolic disease pyruvate cytosolic phospholipase obesity

General anesthetic agents induce neurotoxicity through oligodendrocytes in the developing brain

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Zoological Research 2024年第3期45卷 691-703页

作者： Wen-Xin Hang Yan-Chang Yang Yu-Han Hu Fu-Quan Fang Lang Wang Xing-Hua Qian Patrick M.McQuillan Hui Xiong Jian-Hang Leng Zhi-Yong Hu department of Anesthesiology First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiang 310003China department of Cell Biology Yale UniversityNew HavenCT 06520USA department of Neurology of the First Affiliated Hospital Interdisciplinary Institute of Neuroscience and TechnologySchool of Brain Science and Brain MedicineZhejiang University School of MedicineHangzhouZhejiang 310027China department of Anesthesiology Jiaxing Maternity and Childcare Health HospitalJiaxingZhejiang 314009China department of Anesthesiology Penn State Hershey Medical CentrePenn State College of MedicineHersheyPA 17033USA department of Central Laboratory Affiliated Hangzhou First People’s HospitalWestlake University School of MedicineHangzhouZhejiang 310006China

General anesthetic agents can impact brain function through interactions with neurons and their effects on glial *** perform essential roles in the central nervous system,including myelin sheath formation,axonal metabolism,and neuroplasticity *** are particularly vulnerable to the effects of general anesthetic agents resulting in impaired proliferation,differentiation,and *** are increasingly interested in the effects of general anesthetic agents on *** agents not only act on the surface receptors of oligodendrocytes to elicit neuroinflammation through modulation of signaling pathways,but also disrupt metabolic processes and alter the expression of genes involved in oligodendrocyte development and *** this review,we summarize the effects of general anesthetic agents on *** anticipate that future research will continue to explore these effects and develop strategies to decrease the incidence of adverse reactions associated with the use of general anesthetic agents.

关键词： Oligodendrocytes General anesthetic agents Neurotoxicity Central nervous system Perioperative neurocognitive disorders

Hypoxia-inducible factor 1alpha and vascular endothelial growth factor in Glioblastoma Multiforme:a systematic review going beyond pathologic implications

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Oncology Research 2024年第8期32卷 1239-1256页

作者： DIMITRA P.VAGELI PANAGIOTIS G.DOUKAS KERASIA GOUPOU ANTONIOS D.BENOS KYRIAKI ASTARA KONSTANTINA ZACHAROULI SOTIRIS SOTIRIOU MARIA IOANNOU department of Surgery Yale UniversityNew HavenCT 06510USA department of Pathology Faculty of MedicineSchool of Health SciencesUniversity of ThessalyLarissa41500Greece department of medicine Rutgers/Saint Peter’s University HospitalNew BrunswickNJ 08901USA department of Neurology Army Share Fund Hospital(NIMTS)Athens11521Greece Laboratory of Embryology Faculty of MedicineSchool of Health SciencesUniversity of ThessalyLarissa41500Greece

Glioblastoma multiforme(GBM)is an aggressive primary brain tumor characterized by extensive heterogeneity and vascular *** conditions in the tissue microenvironment are considered a pivotal player leading tumor ***,hypoxia is known to activate inducible factors,such as hypoxia-inducible factor 1alpha(HIF-1α),which in turn can stimulate tumor neo-angiogenesis through activation of various downward mediators,such as the vascular endothelial growth factor(VEGF).Here,we aimed to explore the role of HIF-1α/VEGF immunophenotypes alone and in combination with other prognostic markers or clinical and image analysis data,as potential biomarkers of GBM prognosis and treatment *** performed a systematic review(Medline/Embase,and Pubmed database search was completed by 16th of April 2024 by two independent teams;PRISMA 2020).We evaluated methods of immunoassays,cell viability,or animal or patient survival methods of the retrieved studies to assess unbiased *** used inclusion criteria,such as the evaluation of GBM prognosis based on HIF-1α/VEGF expression,other biomarkers or clinical and imaging manifestations in GBM related to HIF-1α/VEGF expression,application of immunoassays for protein expression,and evaluation of the effectiveness of GBM therapeutic strategies based on HIF-1α/VEGF *** used exclusion criteria,such as data not reporting both HIF-1αand VEGF or *** included 50 studies investigating in total 1319 GBM human specimens,18 different cell lines or GBM-derived stem cells,and 6 different animal models,to identify the association of HIF-1α/VEGF immunophenotypes,and with other prognostic factors,clinical and macroscopic data in GBM prognosis and therapeutic *** found that increased HIF-1α/VEGF expression in GBM correlates with oncogenic factors,such as miR-210-3p,Oct4,AKT,COX-2,PDGF-C,PLDO3,M2 polarization,or ALK,leading to unfavorable *** HIF-1α/VEGF expression correlates with F

关键词： Glioblastoma multiforme(GBM) Astrocytoma Grade III Astrocytoma Grade IV Hypoxia-inducible factor 1alpha(HIF-1α) Vascular endothelial growth factor(VEGF)

A Systematic Analysis of Early Life Exposure to the Chinese Famine(1959-1961)and the Health of Older Adults-China,2008-2023

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China CDC weekly 2024年第11期6卷 203-207,I0001-I0003页

作者： Chi Shen Xi Chen school of Public Policy and Administration Xi’an Jiaotong UniversityXi’an CityShaanxi ProvinceChina department of Health Policy and Management Yale School of Public HealthNew HavenCTU.S department of Economics Yale UniversityNew HavenCTU.S

What is already known about this topic?There is mounting evidence indicating that the aging process initiates during early life stages,with in utero the individual’s environment playing a significant ***,it is crucial to comprehend the enduring effects of early life circumstances on health in old *** is added by this report?In this study,we conducted a meta-analysis to examine the effects of the Chinese Famine(1959–1961)on the health of older *** also explored potential mechanisms underlying these *** are the implications for public health practice?The complex interplay between early life circumstances,multiple health-related sectors,and healthy aging necessitates a comprehensive life-course approach and strategic interventions to enhance public health in an aging society.

关键词： life aging mount

Complement-dependent neuroinflammation in spinal cord injury:from pathology to therapeutic implications

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Neural Regeneration Research 2025年第5期20卷 1324-1335页

作者： Hassan Saad Bachar El Baba Ali Tfaily Firas Kobeissy Juanmarco Gutierrez Gonzalez Daniel Refai Gerald R.Rodts Christian Mustroph David Gimbel Jonathan Grossberg Daniel L.Barrow Matthew F.Gary Ali M.Alawieh department of Neurosurgery Emory University School of MedicineAtlantaGAUSA department of Neurology Yale UniversityNew HavenCTUSA Center for Neurotrauma Multiomics&Biomarkers(CNMB)Morehouse School of MedicineAtlantaGAUSA

Spinal cord injury remains a major cause of disability in young adults,and beyond acute decompression and rehabilitation,there are no pharmacological treatments to limit the progression of injury and optimize recovery in this *** the thorough investigation of the complement system in triggering and propagating cerebral neuroinflammation,a similar role for complement in spinal neuroinflammation is a focus of ongoing *** this work,we survey the current literature investigating the role of complement in spinal cord injury including the sources of complement proteins,triggers of complement activation,and role of effector functions in the *** study relevant data demonstrating the different triggers of complement activation after spinal cord injury including direct binding to cellular debris,and or activation via antibody binding to damage-associated molecular *** effector functions of complement have been implicated in spinal cord injury,and we critically evaluate recent studies on the dual role of complement anaphylatoxins in spinal cord injury while emphasizing the lack of pathophysiological understanding of the role of opsonins in spinal cord *** this pathophysiological review,we systematically review the different translational approaches used in preclinical models of spinal cord injury and discuss the challenges for future translation into human *** review emphasizes the need for future studies to dissect the roles of different complement pathways in the pathology of spinal cord injury,to evaluate the phases of involvement of opsonins and anaphylatoxins,and to study the role of complement in white matter degeneration and regeneration using translational strategies to supplement genetic models.

关键词： complement neuroinflammation neuroplasticity regeneration spinal cord injury targeted therapy

Old-growth mixed dipterocarp forests show variable losses and gains in aboveground biomass and standing carbon over forty years

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Forest Ecosystems 2024年第1期11卷 14-23页

作者： Sisira Ediriweera Champika Bandara Tithira Lakkana Shanika Jayasinghe David Woodbury Arun Dayanandan B.M.P.Singhakumara Xiangcheng Mi I.A.U.N.Gunatilleke C.V.S.Gunatilleke Mark SAshton department of Science and Technology Uva Wellassa UniversityBadullaSri Lanka The Forest school Yale School of the EnvironmentYale UniversityNew HavenCT06511USA department of Forestry and Environmental Science University of Sri JayewardenepuraNugegodaSri Lanka State Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing100093China Botany department University of PeradeniyaPeradeniyaSri Lanka

Background:No studies have documented long-term trends in aboveground biomass(AGB)for mixed-dipterocarp forests(MDF),the dominant rain forest type in tropical wet equatorial *** our study,we sought to document such trends over forty years across three sites representing lowland to lower montane ***:To do this,we established fifty 100 m×25 m plots in 1978 across three sites sampled along an elevation gradient,identified as mature old-growth *** measured trees for diameter at breast height that we identified to species and *** took wood samples to calculate species wood-specific *** re-measured plots in 1998 and again in ***:We show standing AGB for all sites combined to be 517.52 Mg·ha^(-1)in 1978,but this declined by 17%over 40 years to 430.11 Mg·ha^(-1).No differences exist among sites in AGB primarily because of considerable within site variation;but interactions of time with site show declines across sites were not uniform,one remained about the *** few species represented a high proportion of the AGB with the top five species comprising between 34%and 65%,depending upon site and year *** species,Mesua nagassarium,represented a disproportionately large amount of AGB and decline over time,particularly at the low elevation ***:Our results are directly relevant to estimating AGB and standing carbon sequestered in *** study is the first to demonstrate varying but overall,declining trends in amounts of AGB among forests making predictions of biomass and standing carbon in MDF difficult over wide regions.

关键词： Western ghats Shorea spp. Southeast Asia Sri Lanka Tropical rain forest Wood specific gravity

General anesthetic agents induce neurotoxicity through astrocytes

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Neural Regeneration Research 2024年第6期19卷 1299-1307页

作者： Yanchang Yang Tiantian Liu Jun Li Dandan Yan Yuhan Hu Pin Wu Fuquan Fang Patrick M.McQuillan Wenxin Hang Jianhang Leng Zhiyong Hu department of Anesthesiology The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiang ProvinceChina department of Anesthesiology Ningbo Women and Children’s HospitalNingboZhejiang ProvinceChina department of Anesthesiology Shulan(Hangzhou)Hospital Affiliated to Zhejiang Shuren University Shulan International Medical CollegeHangzhouZhejiang ProvinceChina Cell Biology department Yale UniversityNew HavenCTUSA department of Anesthesiology Penn State Hershey Medical CentrePenn State College of MedicineHersheyPAUSA department of Central Laboratory Affiliated Hangzhou First People’s HospitalZhejiang University School of MedicineHangzhouZhejiang ProvinceChina

Neuroscientists have recognized the importance of astrocytes in regulating neurological function and their influence on the release of glial *** studies,however,have focused on the effects of general anesthetic agents on neuroglia or *** can also be an important target of general anesthetic agents as they exert not only sedative,analgesic,and amnesic effects but also mediate general anesthetic-induced neurotoxicity and postoperative cognitive ***,we analyzed recent advances in understanding the mechanism of general anesthetic agents on astrocytes,and found that exposure to general anesthetic agents will destroy the morphology and proliferation of astrocytes,in addition to acting on the receptors on their surface,which not only affect Ca^(2+)signaling,inhibit the release of brain-derived neurotrophic factor and lactate from astrocytes,but are even involved in the regulation of the pro-and anti-inflammatory processes of *** would obviously affect the communication between astrocytes as well as between astrocytes and neighboring neurons,other neuroglia,and vascular *** this review,we summarize how general anesthetic agents act on neurons via astrocytes,and explore potential mechanisms of action of general anesthetic agents on the nervous *** hope that this review will provide a new direction for mitigating the neurotoxicity of general anesthetic agents.

关键词： astrocytes brain-derived neurotrophic factor general anesthetic agents neuron neurotoxicity N-methyl-D-aspartate receptor perioperative neurocognition Toll-like receptor γ-aminobutyric acid receptor