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Does the root to shoot ratio show a hormetic response to stress? An ecological and environmental perspective

Journal of Forestry Research 2019年第5期30卷 1569-1580页

作者： Evgenios Agathokleous regina g.belz Mitsutoshi Kitao Takayoshi Koike Edward J.Calabrese Hokkaido Research Center Forestry and Forest Products Research Institute(FFPRI)Forest Research and Management Organization7 HitsujigaokaSapporoHokkaido 062-8516Japan Research Faculty of Agriculture Hokkaido UniversityKita 9 Nishi 9SapporoHokkaido 060-8589Japan Agroecology Unit Hans-Ruthenberg InstituteUniversity of HohenheimGarbenstra遝 1370599 StuttgartGermany Department of Environmental Health Sciences Morrill IN344University of MassachusettsAmherstMA 01003USA

Root/shoot(R/S)ratio is an important index for assessing plant health,and has received increased attention in the last decades as a sensitive indicator of plant stress induced by chemical or physical agents.The R/S ratio has been discussed in the context of ecological theory and its potential importance in ecological succession,where species follow different strategies for above-ground growth for light or below-ground competition for water and nutrients.We present evidence showing the R/S ratio follows a biphasic dose–response relationship under stress,typical of hormesis.The R/S ratio in response to stress has been widely compared among species and ecological succession classes.It is constrained by a variety of factors such as ontogeny.Furthermore,the current literature lacks dose-response studies incorporating the full dose–response continuum,hence limiting scientific understanding and possible valuable application.The data presented provide an important perspective for new-generation studies that can advance current ecological understanding and improve carbon storage estimates by R/S ratio considerations.Hormetic response of the R/S ratio can have an important role in forestry for producing seedlings with desired characteristics to achieve maximum health/productivity and resilience under plantation conditions.

关键词： Biological plasticity Biphasic response Hormesis Plant stress Root/shoot ratio

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Ca^(2+) binding to the C_(2)E domain of otoferlin is required for hair cell exocytosis and hearing

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Protein & Cell 2024年第4期15卷 305-312页

作者： Han Chen Mehar Monga Qinghua Fang Loujin Slitin Jakob Neef Shashank S.Chepurwar regina Célia Mingroni Netto Karina Lezirovitz Alfredo Tabith,Jr. Fritz Benseler Nils Brose Kathrin Kusch Carolin Wichmann Nicola Strenzke Barbara Vona Julia Preobraschenski Tobias Moser Institute for Auditory Neuroscience and InnerEarLab University Medical Center Göttingen37075 GöttingenGermany Collaborative Research Center 889 University of Göttingen37075 GöttingenGermany Auditory Neuroscience and Synaptic Nanophysiology group Max Planck Institute for Multidisciplinary Sciences37075 GöttingenGermany göttingen graduate Center for Neurosciences Biophysics and Molecular BiosciencesUniversity of Göttingen37075 GöttingenGermany Biochemistry of Membrane Dynamics group Institute for Auditory NeuroscienceUniversity Medical Center Göttingen37075 GöttingenGermany Molecular Architecture of Synapses group Institute for Auditory Neuroscience and InnerEarLabUniversity Medical Center Göttingen37075 GöttingenGermany Center for Biostructural Imaging of Neurodegeneration University Medical Center Göttingen37075 GöttingenGermany Auditory Systems Physiology group Institute for Auditory Neuroscience and InnerEarLabUniversity Medical Center Göttingen37075 GöttingenGermany Departamento de genética e Biologia Evolutiva Centro de Pesquisas sobre o Genoma Humano e Células-TroncoInstituto de BiociênciasUniversidade de São PauloSão Paulo 05508-220Brazil Laboratório de Otorrinolaringologia/LIM32 Faculdade de MedicinaHospital das ClínicasUniversidade de São PauloSão PauloSP 05508-220Brazil DERDIC Pontifícia Universidade Católica de São PauloSão Paulo 05508-220Brazil Department of Molecular Neurobiology Max Planck Institute for Multidisciplinary Sciences37075 GöttingenGermany Multiscale Bioimaging Cluster of Excellence(MBExC) University of Göttingen37075 GöttingenGermany Functional Auditory genomics group Auditory Neuroscience and Optogenetics LaboratoryGerman Primate Center37077 GöttingenGermany Hearing genomics group Institute for Auditory Neuroscience and InnerEarLabUniversity Medical Center Göttingen37075 GöttingenGermany Institute of Human genetics University Medical Center Göttingen37075 GöttingenGermany

Dear Editor,Afferent synapses of cochlear inner hair cells(IHCs)employ a unique molecular machinery(see extended background in Supplementary Materials).Otoferlin is a key player in this machinery and its defects cause human auditory synaptopathy(Moser and Starr,2016).Otoferlin,a tail-anchored(Vogl et al.,2016)multi-C_(2)-domain protein(Fig.1Ai)specific to hair cells(Roux et al.,2006),is a member of the ferlin protein family involved in membrane trafficking and repair that are of major disease relevance(Pangršičet al.,2012),also see Supplementary Materials.Otoferlin is distributed broadly within IHCs(Fig.2Ai-Aiii;Pangrsic et al.,2010;Roux et al.,2006).

关键词： auditory hair

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Extract of Codiaeum luzonicum Merr. overcomes multidrug resistance in human colon cancer cells by modulating P-glycoprotein

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Asian Pacific Journal of Tropical Biomedicine 2022年第9期12卷 400-410页

作者： regina Joyce E.Ferrer Marc Justin C.Ong Sonia D.Jacinto Institute of Biology University of the Philippines DilimanQuezon CityMetro ManilaPhilippines

Objective:To investigate anti-multidrug resistance(MDR)activity and safety of the bioactive fraction(CL11)from Codiaeum luzonicum crude leaf extract.Methods:Cytotoxic activity of CL11 against MDR and nonresistant colon cancer cells was assessed using MTT assay.Mode of cell death was investigated by annexin V-propidium iodide staining,TUNEL,and JC-1 assays.To examine mechanism of action,the effect on the expression and function of the MDR-implicated protein P-glycoprotein was tested using Western blotting and calcein assay,respectively.Results:CL11 had an EC50 of 0.18,1.03 and 38.52µg/mL against HCT-15,HCT-15/Dox and HCT116,respectively.Cytotoxicity was mediated by inhibition of P-glycoprotein function and expression.The mode of cell death involved mitochondrial membrane depolarization and was mostly non-apoptotic at EC50 concentrations against HCT-15 and HCT-15/Dox.Conclusions:Fraction CL11 of Codiaeum luzonicum induces nonapoptotic cell death in MDR cancer cells by overcoming MDR through inhibition of P-glycoprotein expression and function.

关键词： Natural product Leaf extract Codiaeum luzonicum MDR cancer P-gp inhibitor Colorectal cancer

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Investigation of possible relationship between atopic dermatitis and salivary biomarkers,stress,and sleep disorders

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World Journal of Clinical Cases 2023年第17期11卷 3958-3966页

作者： Juliany Estefan Dennis de Carvalho Ferreira Fernanda Sampaio Cavalcante Kátia regina Netto dos Santos Marcia Ribeiro Dermatologia Pediátrica Universidade Federal do Rio de JaneiroRio de Janeiro 21941630Brazil Faculdade de Enfermagem Departamento de Fundamentos de EnfermagemUniversidade do Estado do Rio de JaneiroRio de Janeiro 20551030Brazil Departamento de Clínica Médica Instituto de Ciências MédicasUniversidade Federal do Rio de JaneiroCampus MacaéRio de Janeiro 27930-560Brazil Departamento de Microbiologia Médica Instituto de Microbiologia Paulo de GóesUniversidade Federal do Rio de JaneiroRio de Janeiro 21941630Brazil genética médica Instituto de Puericultura e Pediatria Martagão Gesteira/Universidade Federal do Rio de JaneiroRio de Janeiro 21941630Brazil

Atopic dermatitis(AD)is a chronic,relapsing,multifactorial inflammatory disease with genetic,environmental,and immunological characteristics.The quality of life and sleep of patients and their families are affected by AD,which triggers stress,described as one of the factors that worsens AD.Salivary biomarkers such as cortisol,alpha-amylase,chromogranin A,and melatonin have been associated with stress and sleep disturbances.Therefore,the evaluation of stress and sleep disorders using salivary biomarkers in AD patients is important.This review aims to describe the possible relationship between atopic dermatitis and stress,sleep disorders,and salivary biomarkers,seeking to contribute to better understanding and clinical management of AD.This descriptive study is characterized as a narrative literature review.A literature search was conducted of studies published in English and Portuguese between January 2012 and October 2022 that are available in electronic media from various databases,such as Scientific Electronic Library Online,Latin American and Caribbean Literature on Health Sciences,and PubMed.AD is associated with different degrees of impact on the lives of individuals who present with the disease.Psychological stress may induce changes in saliva composition and worsen AD;at the same time,the severity of the disease may be associated with emotional impact.Further studies are needed to assess and correlate AD severity,stress,and sleep disturbances with salivary biomarkers in order to better understand this association.

关键词： Atopic dermatitis Sleep Psychological stress Chromogranin A Melatonin Cortisol

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Selective Pb^(2+) removal and electrochemical regeneration of fresh and recycled FeOOH

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Nano Research 2023年第7期16卷 9352-9363页

作者： Lei Wang Lexane Deligniere Samantha Husmann regina Leiner Carsten Bahr Shengjie Zhang Chaochao Dun Matthew M.Montemore Markus gallei Jeffrey J.Urban Choonsoo Kim Volker Presser INM—Leibniz Institute for New Materials Campus D22Saarbrücken 66123Germany Department of Materials Science and Engineering Saarland UniversityCampus D22Saarbrücken 66123Germany Polymer Chemistry Saarland UniversityCampus C42Saarbrücken 66123Germany 4 GEH Wasserchemie GmbH&Co.KGAdolf-Köhne-Straße Osnabrück 49090 Germany Department of Chemical and Biomolecular Engineering Tulane UniversityNew OrleansLA 70118USA The Molecular Foundry Lawrence Berkeley National Laboratory BerkeleyBerkeleyCA 94720USA Saarene-Saarland Center for Energy Materials and Sustainability Campus C42Saarbrücken 66123Germany Department of Environmental Engineering with Institute of Energy/Environment Convergence Technologies Kongju National University1223-24 Cheonan-daeroCheonan-si 31080Republic of Korea Department of Future Convergence Engineering Kongju National University1223-24 Cheonan-daeroCheonan-si 31080Republic of Korea

Heavy metal pollution is a key environmental problem.Selectively extracting heavy metals could accomplish water purification and resource recycling simultaneously.Adsorption is a promising approach with a facile process,adaptability for the broad concentration of feed water,and high selectivity.However,the adsorption method faces challenges in synthesizing highperformance sorbents and regenerating adsorbents effectively.FeOOH is an environmentally friendly sorbent with low-cost production on a large scale.Nevertheless,the selectivity behavior and regeneration of FeOOH are seldom studied.Therefore,we investigated the selectivity of FeOOH in a mixed solution of Co^(2+),Ni^(2+),and Pb^(2+)and proposed to enhance the capacity of FeOOH and regenerate it by using external charges.Without charge,the FeOOH electrode shows a Pb^(2+)uptake capacity of 20 mg/g.After applying a voltage of-0.2/+0.8 V,the uptake capacity increases to a maximum of 42 mg/g and the desorption ratio is 70%-80%.In 35 cycles,FeOOH shows a superior selectivity towards Pb^(2+)compared with Co^(2+)and Ni^(2+),with a purity of 97%±3%in the extracts.The high selectivity is attributed to the lower activation energy for Pb^(2+)sorption.The capacity retentions at the 5^(th)and the 35^(th)cycles are ca.80%and ca.50%,respectively,comparable to the chemical regeneration method.With industrially exhausted granular ferric hydroxide as the electrode material,the system exhibits a Pb^(2+)uptake capacity of 37.4 mg/g with high selectivity.Our work demonstrates the feasibility of regenerating FeOOH by charge and provides a new approach for recycling and upcycling FeOOH sorbent.

关键词： FeOOH electrochemical regeneration selective separation heavy metal ions

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Effects of chronic and subtoxic chlorobenzenes on adrenocorticotrophic hormone release

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Journal of Environmental Sciences 2015年第8期27卷 165-170页

作者： Zsolt Molnár regina Pálf?ldi Anna László Marianna Radács Krisztián Sepp Péter Hausinger László Tiszlavicz Zsuzsanna Valkusz Márta gálfi Institute of Applied Science Department of Environmental Biology and Education Gyula Juhász Faculty of Education University of Szeged Department of Pulmonology Faculty of Medicine University of Szeged Department of Medical Physics and Informatics Faculty of Medicine University of Szeged Endocrine Unit of First Department of Internal Medicine Faculty of Medicine University of Szeged Invasive Cardiology Department Second Department of Internal Medicine and Cardiology Faculty of Medicine University of Szeged Department of Pathology Faculty of Medicine University of Szeged

Many environmental chemicals and pesticides have been found to alter neuroendocrine communication in exposed biological objects. The environmental loads have primary and secondary effects that can alter the homeostatic regulation potential. Since it is difficult to avoid human exposition, a potentially important area of research to develop in vivo and in vitro experimental models. In this context, the primary aim of this study was to demonstrate the effects of chlorobenzenes on adrenocorticotrophic hormone（ACTH） release. In our experimental study, male Wistar rats were exposed to 0.1, 1.0 and 10 μg/b.w.（body weight） kg of 1,2,4-trichlorobenzene and hexachlorobenzene（Cl B） mix via gastric tube for 30, 60 or 90 days. At the endpoints of the experiment blood samples were taken and animals were decapitated. Primary,monolayer adenohypophysis cell cultures were prepared by enzymatic and mechanical digestion. The ACTH hormone content in serum and supernatant media was measured by immuno-chemiluminescence assay. The Mg2＋-dependent ATPase activity was determined by modified method of Martin and Dotty. Significant differences were detected in the hormone release between the control and treated groups. The hormone release was enhanced characteristically in exposed groups depending upon the dose and duration of exposure. The Mg2＋-ATPase activity enhanced after chronic and subtoxic Cl B exposition. Light microscopy revealed that the adenohypophysis seemed to be more abundant. Results indicate that Wistar rats exposed to subtoxic Cl B have direct and indirect effects on hypothalamus–hypophysis–adrenal axis.

关键词： Chlorobenzenes Subtoxic Adrenocorticotrophic hormone release Mg2＋ -dependent ATPase

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TRAIL-induced apoptosis of hepatocellular carcinoma cells is augmented by targeted therapies

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World Journal of gastroenterology 2009年第47期15卷 5924-5935页

作者： Bruno Christian Koehler Toni Urbanik Binje Vick regina Johanna Boger Steffen Heeger Peter R galle Marcus Schuchmann Henning Schulze-Bergkamen First Department of Medicine Johannes Gutenberg-University Mainz55101 MainzGermany Steffen HeegerMerck KGaAMS-D Global Clinical Development Unit-Oncology64293 DarmstadtGermany National Center of Tumor Diseases Department of Medical OncologyUniversity Clinic of Heidelberg69120 HeidelbergGermany

AIM:To analyze the effect of chemotherapeutic drugs and specific kinase inhibitors,in combination with the death receptor ligand tumor necrosis factor-related apoptosis inducing ligand(TRAIL),on overcoming TRAIL resistance in hepatocellular carcinoma(HCC)and to study the efficacy of agonistic TRAIL antibodies,as well as the commitment of antiapoptotic BCL-2 proteins, in TRAIL-induced apoptosis. METHODS:Surface expression of TRAIL receptors (TRAIL-R1-4)and expression levels of the antiapoptotic BCL-2 proteins MCL-1 and BCL-xL were analyzed by flow cytometry and Western blotting,respectively. Knock-down of MCL-1 and BCL-xL was performed by transfecting specific small interfering RNAs.HCC cellswere treated with kinase inhibitors and chemotherapeutic drugs.Apoptosis induction and cell viability were analyzed via flow cytometry and 3-(4,5-Dimethyl-thiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. RESULTS:TRAIL-R1 and-R2 were profoundly expressed on the HCC cell lines Huh7 and Hep-g2. However,treatment of Huh7 and Hep-g2 with TRAIL and agonistic antibodies only induced minor apoptosis rates.Apoptosis resistance towards TRAIL could be considerably reduced by adding the chemotherapeutic drugs 5-fluorouracil and doxorubicin as well as the kinase inhibitors LY294002[inhibition of phosphoinositol- 3-kinase(PI3K)],Ag1478(epidermal growth factor receptor kinase),PD98059(MEK1),rapamycin(mam- malian target of rapamycin)and the multi-kinase inhibitor Sorafenib.Furthermore,the antiapoptotic BCL-2 proteins MCL-1 and BCL-xL play a major role in TRAIL resistance:knock-down by RNA interference increased TRAIL-induced apoptosis of HCC cells.Additionally, knock-down of MCL-1 and BCL-xL led to a significant sensitization of HCC cells towards inhibition of both c-Jun N-terminal kinase and PI3K.CONCLUSION:Our data identify the blockage of survival kinases,combination with chemotherapeutic drugs and targeting of antiapoptotic BCL-2 proteins as promising ways to overcome TRAIL resistance in HCC.

关键词：肿瘤坏死因子相关凋亡诱导配体细胞凋亡基因 TRAIL PD98059 受体激酶流式细胞仪 RNA干扰酶抑制剂

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Cataract blindness in Hungary

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International Journal of Ophthalmology(English edition) 2020年第3期13卷 438-444页

作者： gábor L.Sándor gábor Tóth Dorottya Szabó Irén Szalai regina Lukács Anita Pék georgina Z.Tóth András Papp Zoltán Z.Nagy Hans Limburg János Németh Department of Ophthalmology Semmelweis UniversityBudapest 1085Hungary Department of Ophthalmology Flór Ferenc HospitalKistarcsa 2143Hungary Department of Ophthalmology Petz Aladár HospitalGyor 9024Hungary Faculty of Health Sciences Semmelweis UniversityBudapest 1088Hungary Health Information Services Grootebroek 1613The Netherlands

AIM:To estimate the prevalence of blindness and visual impairment resulting from cataract in the population aged≥50 y in Hungary,and to assess the cataract surgical services.METHODS:A rapid assessment of avoidable blindness(RAAB)was conducted.A total of 3523 eligible people were randomly selected and examined.Each participant underwent surgery for cataract was interviewed with regard to the year,place,and costs of the surgery.Participants with obvious cataract were asked why they had not yet undergone surgery(barriers to surgery).RESULTS:An estimated 12514 people were bilaterally blind;the visual acuity(VA)in 19293 people wasgeries were conducted in government hospitals.The age-and sexadjusted cataract surgical coverage with VAgood visual outcome after surgery was 79.5%.Ocular comorbidity was the main cause of poor outcome(78.1%),followed by late complications(such as posterior capsule opacification)(17.2%),inadequate optical correction(3.1%),and surgical complications(1.6%).The main barrier to surgery in people with bilateral cataract and VA ofg from cataract is slightly higher than expected.The quality of the cataract surgical service seems adequate in Hungary.However,the number of cataract operations per year should continue to increase due to the increasing patient demands and the aging population.

关键词： cataract prevalence blindness visual impairment rapid assessment of avoidable blindness

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Effect of Na Fe EDTA-Fortified Soy Sauce on Anemia Prevalence in China: A Systematic Review and Meta-analysis of Randomized Controlled Trials

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Biomedical and Environmental Sciences 2015年第11期28卷 788-798页

作者： HUO Jun Sheng YIN Ji Yong SUN Jing HUANg Jian LU Zhen Xin regina Moench-Pfanner CHEN Jun Shi CHEN Chun Ming Key Laboratory of trace element nutrition of Ministry of health National Institute for Nutrition and HealthChinese Center for Disease Control and Prevention global Alliance of Improved Nutrition Singapore

Objective To assess the effect of sodium iron ethylenediaminetetraacetate （NaFeEDTA）-fortified soy sauce on anemia prevalence in the Chinese population. Methods A systematic review was performed to identify potential studies by searching the electronic databases of PubMed, Cochrane Library, WHO Library, HighWire, CNKI, and other sources. The selection criteria included randomized controlled trials that compared the efficacy of NaFeEDTA-fortified soy sauce with that of non-fortified soy sauce. Anemia rates and hemoglobin levels were the outcomes of interest. Inclusion decisions, quality assessment, and data extraction were performed by two reviewers independently. A total of 16 studies met the inclusion criteria for anemia rate analysis, of which 12 studies met the inclusion criteria for hemoglobin analysis. All included studies assessed the effect of NaFeEDTA-fortified soy sauce on anemia rates and hemoglobin concentrations. Results After the intervention, the hemoglobin concentration increased and anemia rates decreased significantly as compared with the non-fortified soy sauce groups. For anemia rates, data from 16 studies could be pooled, and the pooled estimate odds ratio was 0.25 （95% CI 0.19-0.35）. For hemoglobin concentrations, data from 12 studies could be pooled, and the pooled weighted mean difference was 8.81 g/L （95% CI 5.96-11.67）. Conclusion NaFeEDTA-fortified soy sauce has a positive effect on anemia control and prevention in the at-risk population.

关键词： Sodium iron ethylenediaminetetraacetate NaFeEDTA Anemia Hemoglobin Iron deficiency Meta-analyses Food fortification

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Vitamin D deficiency,functional status,and balance in older adults with osteoarthritis

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World Journal of Clinical Cases 2021年第31期9卷 9491-9499页

作者： Cláudia N Montemor Marcos Tadeu P Fernandes Audrey S Marquez regina Célia Poli-Frederico Rubens Alexandre da Silva Karen B P Fernandes Laboratory of Rehabilitation Research Doctoral Program of Rehabilitation SciencesUniversity Pitágoras Unopar(UNOPAR)Londrina 86041-140ParanaBrazil Department of Anesthesiology Irmandade da Santa Casa de LondrinaLondrina 86010-160ParanaBrazil Health Sciences Research Center University Pitágoras Unopar(UNOPAR)Londrina 86041-140ParanaBrazil Doctoral Program of Rehabilitation Sciences University Pitagoras Unopar(UNOPAR)Londrina 86041-140ParanaBrazil Département des Sciences de la Santé Centre intersectoriel en santédurableLaboratoire de recherche BioNRUniversitédu QuébecàChicoutimi(UQAC)SaguenayG7H 2B1QuébecCanada Centre intégréde santéet services sociaux du Saguenay-Lac-Saint-Jean(CIUSSS SLSJ) Hôpital de La Baie-Services gériatriques spécialisésSaguenayQuébecG7H 7K9Canada

BACKgROUND Low vitamin D levels are associated with a more severe case of knee osteoarthritis(OA).However,there are few published reports concerning an association between vitamin D deficiency and functional status of individuals with OA and no reports about postural balance in this population.AIM To analyze the relationship between vitamin D deficiency and severity,functional status,and balance in elderly patients with OA.METHODS In this cross-sectional study,105 elderly patients with hip and knee OA were included.The severity was assessed by the Kellgren-Lawrence criteria.The functional status was assessed with the Lequesne index.Postural balance was assessed using a force platform,and center-of-pressure parameters(velocity at anteroposterior and mediolateral axis)were used as the balance outcomes.Serum 25(OH)vitamin D levels were measured using a chemiluminescence method.RESULTS Most of the patients(mean age:70.6±6.5 years)were female(n=78,74.3%).In the group with vitamin D deficiency,43 patients(56.6%)had severe OA,while 33 patients(43.4%)had mild or moderate OA(χ^(2) test,P=0.04).Patients with vitamin D deficiency showed a higher Lequesne index score(Mann-Whitney test,P=0.04),indicating a worse functional impairment when compared to individuals with normal vitamin D levels.Additionally,patients with vitamin D deficiency had worse postural balance according to the Mann-Whitney test(P=0.03).CONCLUSION Vitamin D deficiency is associated with worse severity,functional status,and postural balance in patients with OA.

关键词： Osteoarthritis Elderly Vitamin D Disability Severity Balance

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