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Managing type 2 diabetes:targeting a microbial enzyme as a novel treatment option

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Signal Transduction and Targeted Therapy 2024年第1期9卷 3-5页

作者： Anikó Keller-Pintér Tamás Korcsmáros Tibor Vellai Department of Biochemistry Albert Szent-Györgyi Medical SchoolUniversity of SzegedSzeged6720Hungary Department of Metabolism Digestion and ReproductionImperial College LondonLondonW120NNUK Quadram Institute Bioscience Norwich Research ParkNorwichNR47UQUK Department of Genetics Eötvös Loránd University(ELTE)Budapest1117Hungary Hungarian Research Network HUN-REN-ELTE Genetics Research Group Budapest1117Hungary

In a recent Science article,Wang and colleagues showed that the dipeptidyl peptidase 4(DPP4)enzyme produced by the gut microbiota can interfere with the effect of host glucagon-like peptide-1(GLP-1)involved in stimulating insulin secretion,and the specific inhibitor of microbial DPP4(mDPP4),combined with clinical inhibitors of host DPP4 isoenzymes,further promotes blood glucose homeostasis.1 These results point out why certain patients respond inadequately to an antidiabetic medication.

关键词： homeostasis stimulating clinical

Bias-Free Solar-to-Hydrogen Conversion in a BiVO4/PM6:Y6 Compact Tandem with Optically Balanced Light Absorption

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Energy & Environmental Materials 2024年第4期7卷 231-238页

作者： Catarina G.Ferreira Constanza Sansierra Francisco Bernal-Texca Mingyu Zhang Carles ros Jordi Martorell ICFO–Institut de Ciències Fotòniques The Barcelona Institute of Science and Technology Departament de Física Universitat Politècnica de Catalunya

The high voltage required to overcome the thermodynamic threshold and the complicated kinetics of the water splitting reaction limit the efficiency of single semiconductor-based photoelectrochemistry.A semiconductor/solar cell tandem structure has been theoretically demonstrated as a viable path to achieve an efficient direct transformation of sunlight into chemical energy.

关键词： bismuth vanadate compact tandem organic solar cells photonic multilayers solar-to-hydrogen conversion

How inflammation influences psychiatric disease

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World Journal of Psychiatry 2024年第3期14卷 342-349页

作者： Eduardo Ferat-Osorio JoséLuis maldonado-García Lenin Pavón División de Investigación Clínica de la Coordinación de Investigación en Salud Instituto Mexicano del Seguro SocialMexico City 06720Mexico Departamento de Bioquímica Facultad de MedicinaUniversidad Nacional Autónoma de MéxicoCoyoacán 04510Ciudad de MéxicoMexico Departamento de Inmunología Escuela Nacional de Ciencias BiológicasInstituto Politécnico NacionalMexico City 11340Mexico Laboratorio de Psicoinmunología Instituto Nacional de Psiquiatría Ramón de la Fuente MuñizMexico City 14370Mexico

Recent studies highlight the strong correlation between infectious diseases and the development of neuropsychiatric *** this editorial,we comment on the article“Anti-infective therapy durations predict psychological stress and laparoscopic surgery quality in pelvic abscess patients”by Zhang et al,published in the recent issue of the World Journal of Psychiatry 2023;13(11):*** discussion highlighted the potential consequences of anxiety,depression,and psychosis,which are all linked to bacterial,fungal,and viral infections,which are relevant to the impact of inflammation on the sequelae in mental health as those we are observing after the coronavirus disease 2019 *** focus specifically on the immune mechanisms triggered by inflammation,the primary contributor to psychiatric ***,pathophysiological mechanisms such as organ damage,post-injury inflammation,and infectioninduced endocrine alterations,including hypocortisolism or autoantibody formation,significantly contribute to the development of chronic low-grade inflammation,promoting the emergence or development of psychiatric alterations in susceptible *** inflammation can have long-term effects on patients,a multidisciplinary treatment plan can avoid complications and debilitating health issues,and it is crucial to recognize and address the mental health implications.

关键词： Inflammation infection Depression Pelvic inflammatory disease Psychiatric complication

Orchard Sports Injury and Illness Classification System (OSIICS) Version 15

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Journal of Sport and Health Science 2024年第4期13卷 599-604页

作者： John W.Orchard Ebonie rio Kay M.Crossley Jessica J.Orchard Margo Mountjoy School of Public Health University of SydneySydneyNSW 2006Australia La Trobe Sport and Exercise Medicine Research Centre La Trobe UniversityMelbourneVIC 3083Australia Department of Family Medicine McMaster UniversityHamilton L8S 4L8Canada

Background:Sports medicine(injury and illnesses)requires distinct coding systems because the International Classification of Diseases is insuf-ficient for sports medicine *** Orchard Sports Injury and Illness Classification System(OSIICS)is one of two sports medicine coding systems recommended by the International Olympic *** updates of coding systems are ***:For Version 15,updates for mental health conditions in athletes,sports cardiology,concussion sub-types,infectious diseases,and skin and eye conditions were considered particularly ***:Recommended codes were added from a recent International Olympic Committee consensus statement on mental health conditions in *** landmark sports cardiology papers were used to update a more comprehensive list of sports cardiology *** union protocols on head injury assessment were used to create additional concussion ***:It is planned that OSIICS Version 15 will be translated into multiple new languages in a timely fashion to facilitate international *** large number of recently published sport-specific and discipline-specific consensus statements on athlete surveillance warrant regular updating of OSIICS.

关键词： Sports cardiology Dermatology Eye injuries Concussion Infectious diseases Sports injury classification

Renewable Polymers in Biomedical Applications:From the Bench to the Market

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Journal of Renewable Materials 2024年第4期12卷 643-666页

作者： Rauany Cristina Lopes Tamires Nossa Wilton Rogério Lustri Gabriel Lombardo Maria Inés Errea Eliane Trovatti Department of Health and Biological Sciences University of Araraquara—UNIARAAraraquara14801-340Brazil Laboratory of Materials(LabMat)and Laboratory of Biopolymers(LaBioPol) Federal Institute of EducationScience and Technology of São Paulo Campus Itapetininga(IFSP)Itapetininga18.202‑000Brazil Instituto Tecnológico de Buenos Aires Cidade Autônoma de Buenos AiresC1437FBCArgentina Conselho Nacional de Pesquisas Científicas e Técnicas(CONICET) Cidade Autônoma de Buenos AiresC1425FQBArgentina Tecnologia YPF(Y-TEC) BerissoBuenos Aires1923Argentina

Polymers from renewable resources have been used for a long time in biomedical applications and found an irreplaceable role in some of *** uses have been increasing because of their attractive properties,contributing to the improvement of life quality,mainly in drug release systems and in regenerative *** using natural polymer,nano and microscale particles preparation,composites,blends and chemical modification strategies have been used to improve their properties for clinical *** many studies have been carried out with these natural polymers,the way to reach the market is long and only very few of them become commercially *** cellulose,bacterial cellulose,chitosan,poly(lactic acid)and starch can be found among the most studied polymers for biological applications,some with several derivatives already established in the market,and others with potential for *** this scenario this work aims to describe the properties and potential of these renewable polymers for biomedical applications,the routes from the bench to the market,and the perspectives for future developments.

关键词： Polymers renewable biomedical applications market

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Wishing

小学生时代（大嘴英语） 2024年第7期 66-67页

作者： Maggie Murphy Gina Lorena maldonado(图) 不详

Percutaneous nephrostomy versus ureteral stent in hydronephrosis secondary to obstructive urolithiasis:A systematic review and meta-analysis

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Asian Journal of Urology 2024年第2期11卷 261-270页

作者： Andreia Cardoso Aparício Coutinho Gonçalo Neto Sara Anacleto Catarina Laranjo Tinoco Nuno Morais Mário Cerqueira-Alves Estevão Lima Paulo Mota Department of Urology Hospital de BragaBragaPortugal School of Medicine University of MinhoBragaPortugal Association(2CA-Braga).School of Medicine University of MinhoBragaPortugal

Objective: To assess if there is a preferable intervention between retrograde ureteral stent (RUS) and percutaneous nephrostomy (PCN) tube, in cases of upper urinary tract stone obstruction with complications requiring urgent drainage, by evaluating outcomes regarding urinary symptoms, quality of life (QoL), spontaneous stone passage, and length of hospital stays, since there is no literature stating the superiority of one modality over the ***: We searched MEDLINE and other sources for relevant articles in June 2019 without any date restrictions or filters applied. The selection was done first by the title and abstract screening and then by full-text assessment for eligibility. Only randomized controlled trials or cohort studies in patients with hydronephrosis secondary to obstructive urolithiasis that presented comparative data between PCN and RUS placement concerning at least one of the defined outcome measures were included. Lastly, MEDLINE database and PubMed platform were screened again using the same terms, from June 2019 until November ***: Of 556 initial articles, seven were included in this review. Most works were considered of moderate-to-high quality. Three studies regarding QoL showed a tendency against stenting, even though only one demonstrated statistically significant negative impact on overall health state. Two works reported significantly more post-intervention urinary symptoms in stenting patients. One article found that PCN is a significant predictor of spontaneous stone passage, when adjusted for stone size and location. Findings on length of hospital stays were not consistent among ***: PCN appears to be the intervention better tolerated, with less impact on the patient’s perceived QoL and less post-operative urinary symptoms, in comparison with RUS. Nevertheless, further studies with larger samples and a randomized controlled design are suggested.

关键词： Ureteral stent Percutaneous nephrostomy Obstructive urolithiasis Urinary symptoms Quality of life

Electroencephalogram Signal Correlations between Default Mode Network and Attentional Functioning

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Journal of Behavioral and Brain Science 2024年第4期14卷 119-134页

作者： Moemi Matsuo Takashi Higuchi Toranosuke Abe Takuya Ishibashi Ayano Egashira rio Kamashita Faculty of Rehabilitation Sciences Nishi Kyushu University Kanzaki Japan Department of Physical Therapy Osaka University of Human Sciences Settsu Japan Research Center for Child Mental Development Chiba University Chiba Japan

Attentional issues may affect acquiring new information, task performance, and learning. Cortical network activities change during different functional brain states, including the default mode network (DMN) and attention network. We investigated the neural mechanisms underlying attentional functions and correlations between DMN connectivity and attentional function using the Trail-Making Test (TMT)-A and -B. Electroencephalography recordings were performed by placing 19 scalp electrodes per the 10 - 20 system. The mean power level was calculated for each rest and task condition. Non-parametric Spearman’s rank correlation was used to examine the correlation in power levels between the rest and TMT conditions. The most significant correlations during TMT-A were observed in the high gamma wave, followed by theta and beta waves, indicating that most correlations were in the parietal lobe, followed by the frontal, central, and temporal lobes. The most significant correlations during TMT-B were observed in the beta wave, followed by the high and low gamma waves, indicating that most correlations were in the temporal lobe, followed by the parietal, frontal, and central lobes. Frontoparietal beta and gamma waves in the DMN may represent attentional functions.

关键词： Cortical Network Activities Electroencephalography Attention Default Mode Network

Aging impairs the osteocytic regulation of collagen integrity and bone quality

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Bone Research 2024年第1期12卷 78-94页

作者： Charles A.Schurman Serra Kaya Neha Dole Nadja M.maldonado Luna Natalia Castillo Ryan Potter Jacob P.rose Joanna Bons Christina D.King Jordan B.Burton Birgit Schilling Simon Melov Simon Tang Eric Schaible Tamara Alliston Department of Orthopaedic Surgery University of CaliforniaSan FranciscoCA 94143USA UC Berkeley/UCSF Graduate Program in Bioengineering San FranciscoCA 94143USA Buck Institute for Research on Aging NovatoCA 94945USA Washington University in St Louis Department of OrthopedicsSt.LouisMO 63130USA Advanced Light Source Lawrence Berkeley National LaboratoryBerkeleyCA 94720USA

Poor bone quality is a major factor in skeletal fragility in elderly *** molecular mechanisms that establish and maintain bone quality,independent of bone mass,are unknown but are thought to be primarily determined by *** hypothesize that the age-related decline in bone quality results from the suppression of osteocyte perilacunar/canalicular remodeling(PLR),which maintains bone material *** examined bones from young and aged mice with osteocyte-intrinsic repression of TGFβsignaling(TβRII^(ocy−/−))that suppresses *** control aged bone displayed decreased TGFβsignaling and PLR,but aging did not worsen the existing PLR suppression in male TβRII^(ocy−/−)*** relationship impacted the behavior of collagen material at the nanoscale and tissue scale in macromechanical *** effects of age on bone mass,density,and mineral material behavior were independent of osteocytic TGFβ.We determined that the decline in bone quality with age arises from the loss of osteocyte function and the loss of TGFβ-dependent maintenance of collagen integrity.

关键词： maintain primarily integrity