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Hypothalamic circuits and aging:keeping the circadian clock updated

Neural Regeneration Research 2024年第9期19卷 1919-1928页

作者： rosa Vázquez-Lizarraga Lucia Mendoza-Viveros Carolina Cid-Castro Sareni Ruiz-Montoya Erick Carreño-Vázquez Ricardo Orozco-Solis Instituto Nacional de Medicina Genómica(INMEGEN) México CityMéxico Centro de Investigacíon sobre el Envejecimiento Centro de Investigacíon y de Estudios Avanzados(CIE-CINVESTAV)México CityMéxico Instituto de Investigaciones Biomédicas Universidad Nacional Autónoma de México UNAMMéxico CityMéxico

Over the past century,age-related diseases,such as cancer,type-2 diabetes,obesity,and mental illness,have shown a significant increase,negatively impacting overall quality of *** on aged animal models have unveiled a progressive discoordination at multiple regulatory levels,including transcriptional,translational,and post-translational processes,resulting from cellular stress and circadian *** circadian clock emerges as a key regulator,sustaining physiological homeostasis and promoting healthy aging through timely molecular coordination of pivotal cellular processes,such as stem-cell function,cellular stress responses,and inter-tissue communication,which become disrupted during *** the crucial role of hypothalamic circuits in regulating organismal physiology,metabolic control,sleep homeostasis,and circadian rhythms,and their dependence on these processes,strategies aimed at enhancing hypothalamic and circadian function,including pharmacological and non-pharmacological approaches,offer systemic benefits for healthy *** brain-directed drug administration represents a promising avenue for effectively targeting specific brain regions,like the hypothalamus,while reducing side effects associated with systemic drug delivery,thereby presenting new therapeutic possibilities for diverse age-related conditions.

关键词： aging astrocytes cellular stress responses circadian clock hypothalamus intranasal drug administration metabolic control nutrient sensor SIRT1 sleep homeostasis

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dietary(poly)phenol intake is associated with cardiometabolic health parameters in adolescents

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Food Science and Human Wellness 2024年

作者： Emily P.laveriano-Santos Sara Castro-Barquero Camila Arancibia-Riveros Ana María Ruiz-León rosa Casas Ramón Estruch Patricia Bodega Mercedes de Miguel Amaya de Cos-Gandoy Jesús Martínez-Gómez Gloria Santos-Beneit Juan M.Fernández-Alvira Rodrigo Fernández-Jiménez rosa M.lamuela-Raventós Anna Tresserra-Rimbau The Zena and Michael A.Wiener Cardiovascular Institute Icahn School of Medicine at Mount Sinai department de Nutrició Ciències de l'Alimentació I Gastronomia XIA Facultat de Farmàcia i Ciències de l'alimentació Institut de Recerca en Nutrició i Seguretat Alimentària (INSA-UB) Universitat de Barcelona department of Internal Medicine Hospital Clínic Institutd'Investigacions Biomèdiques August Pi I Sunyer (IdIBAPS) University of Barcelona Consorcio CIBER M.P.Fisiopatología de la Obesidad y Nutrición (CIBERObn) Instituto de Salud Carlos III (ISCIII) Mediterranean diet Foundation 5. Foundation for Science Health and Education (SHE) 6. Centro Nacional de Investigaciones Cardiovasculares (CNIC) CIBER de Enfermed.des Cardiovasculares (CIBERCV) 9. Hospital Universitario Clínico San Carlos

Background: The protective role of (poly)phenols against metabolic disorders has been extensively studied in adults but not in ***: To assess associations of dietary (poly)phenols and their subclasses with cardiometabolic health parameters in adolescents. Methods: A cross-sectional study was conducted in 944 individuals aged 11 to 14 years enrolled in the SI! Program for Secondary Schools trial (NCT03504059). (Poly)phenol intake was assessed using semi-quantitative food frequency questionnaires and the Phenol-Explorer database. The measured cardiometabolic parameters were waist circumference (WC) age-sex z-score， blood pressure (BP) age-sex z-score， blood glucose (BG)， triglycerides (TG)， and high-density lipoprotein cholesterol (HdL-c). Multilevel mixed-effect linear regression models were applied to examine the association between (poly)phenol quintiles and cardiometabolic health ***: Compared to the lowest quintile， adolescents in the highest quintile of total (poly)phenol intake had lower WC z-scores (β=-0.09， 95%CI=-0.09;-0.08， P-for trend=0.002)， mean arterial pressure z-scores (β =-0.11， 95%CI=-0.12;-0.09， P-for trend=0.206)， and HdL-c (β=-1.52， 95%CI=-2.90;-0.14， P-for trend=0.108)， after multivariable adjustment. The WC z-scores (β=-0.11， 95%CI=-0.19;-0.03， P-for trend=0.013) and HdL-c (β=-2.16， 95%CI=-3.78;-0.53， P-for trend=0.046) were lower in the highest quintile of flavonoid intake compared to the lowest quintile. The highest quintile of phenolic acid intake was associated with a lower WC z-score (β=-0.14， 95%CI=-0.26;-0.02， P-for trend=0.011) and TG levels (β=-8.83， 95%CI=-12.37;-5.30， P-for trend d the highest quintile of stilbene intake with lower BG (β=-1.83， 95%CI= -3.103;-0.64， P-for trend d TG (β=-3.22， 95%CI= -4.95;-1.49， P-for trend=0.034)， and with higher HdL-c (β=2.328， 95%CI= 1.40;3.17， P-for trend=0.466) compared to the lowest quintile. Conclusion: A higher intake of (poly)phenols， espe

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Concerns about the application of resistance exercise with blood-flow restriction and thrombosis risk in hemodialysis patients

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Journal of Sport and Health Science 2024年第4期13卷 548-558,F0003页

作者： Hugo de Luca Correa Lysleine Alves deus dahan da Cunha Nascimento Nicholas Rolnick Rodrigo Vanerson Passos Neves Andrea Lucena Reis Thais Branquinho de Araujo Carmen Tzanno-Martins Fernanda Silveira Tavares Luiz Sinesio Silva Neto Claudio Avelino Rodrigues Santos Paolo Lucas Rodrigues-Silva Fernando Honorato Souza Vitoria Marra da Motta Vilalva Mestrinho Rafael lavarini dos Santos rosangela Vieira Andrade Jonato Prestes Thiago dos Santos rosa Post-graduate Program of Physical Education Catholic University of BrasıliaBrasılia 71966-700Brazil The Human Performance Mechanic Lehman CollegeNew YorkNY 10011USA Clinical Group Home dialysis Center and RenalClass Sao Paulo 01239-040Brazil department of Medicine Catholic University of BrasıliaBrasılia 71966-700Brazil Faculty of Medicine Federal University of TocantinsTocantins 77001-090Brazil Embrapa Genetic Resources and Biotechnology Brasılia 70770-917Brazil Graduate Program of Genomic Sciences and Biotechnology Brasılia 71966-700Brazil

Background:Hemodialysis(Hd) per se is a risk factor for *** the growing body of evidence on blood-flow restriction(BFR) exercise in Hd patients,identification of possible risk factors related to the prothrombotic agent d-dimer is required for the safety and feasibility of this training *** aim of the present study was to identify risk factors associated with higher d-dimer levels and to determine the acute effect of resistance exercise(RE) with BFR on this ***:Two hundred and six Hd patients volunteered for this study(all with a glomerular filtration rate of d of 50% arterial occlusion pressure during 50 min sessions of Hd(intradialytic exercise).RE repetitions included concentric and eccentric lifting phases(each lasting 2 s) and were supervised by a strength and conditioning ***:Several variables were associated with elevated levels of d-dimer,including higher blood glucose,citrate use,recent cardiovascular events,recent intercurrents,higher inflammatory status,catheter as vascular access,older patients(>70 years old),and Hd ***,RE+BFR significantly increases d-dimer after 4 *** with borderline baseline d-dimer levels(400-490 ng/mL) displayed increased risk of elevating d-dimer over the normal range(≥500 ng/mL).Conclusion:These results identified factors associated with a heightened prothrombotic state and may assist in the screening process for Hd patients who wish to undergo RE+BFR.d-dimer and/or other fibrinolysis factors should be assessed at baseline and throughout the protocol as a precautionary measure to maximize safety during RE+BFR.

关键词： Blood-flow restriction Chronic kidney disease Coagulation Hemodialysis Vascular occlusion exercises

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Uveal melanoma:Recent advances in immunotherapy

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World Journal of Clinical Oncology 2024年第1期15卷 23-31页

作者： Francesco Saverio Sorrentino Francesco de rosa Patrick di Terlizzi Giacomo Toneatto Andrea Gabai Lucia Finocchio Carlo Salati Leopoldo Spadea Marco Zeppieri department of Surgical Sciences Unit of OphthalmologyOspedale MaggioreBologna 40100Italy department of Oncology IRCCS Istituto Romagnolo per lo Studio dei Tumori“Dino Amadori”Meldola 47014Italy department of Ophthalmology University Hospital of UdineUdine 33100Italy Eye Clinic Policlinico Umberto I“Sapienza”University of RomeRome 00142Italy

Uveal melanoma(UM)is the most common primary intraocular cancer in *** incidence in Europe and the United States is 6-7 per million population per *** most primary UMs can be successfully treated and locally controlled by irradiation therapy or local tumor resection,up to 50%of UM patients develop metastases that usually involve the liver and are fatal within 1 *** date,chemotherapy and targeted treatments only obtain minimal responses in patients with metastatic UM,which is still characterized by poor *** standard therapeutic approaches for its prevention or treatment have been *** application of immunotherapy agents,such as immune checkpoint inhibitors that are effective in cutaneous melanoma,has shown limited effects in the treatment of ocular *** is due to UM’s distinct genetics,natural history,and complex interaction with the immune *** cutaneous melanomas characterized mainly by BRAF or NRAS mutations,UMs are usually triggered by a mutation in GNAQ or *** a result,more effective immunotherapeutic approaches,such as cancer vaccines,adoptive cell transfer,and other new molecules are currently being *** this review,we examine novel immunotherapeutic strategies in clinical and preclinical studies and highlight the latest insight in immunotherapy and the development of tailored treatment of UM.

关键词： Uveal melanoma Immunotherapy Ocular oncology Tumor Metastatic disease Genetic mutations

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Response to Commentary by dr. Matthew J. Clarkson on

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Journal of Sport and Health Science 2024年第5期13卷 670-671页

作者： Hugo de Luca Corrêa Lysleine Alves deus dahan da Cunha Nascimento Nicholas Rolnick Rodrigo Vanerson Passos Neves Andrea Lucena Reis Thais Branquinho de Araújo Carmen Tzanno-Martins Fernanda Silveira Tavares Luiz Sinésio Silva Neto Cláudio Avelino Rodrigues Santos Paolo Lucas Rodrigues-Silva Fernando Honorato Souza Vitória Marra da Motta Vilalva Mestrinho Rafael lavarini dos Santos rosangela Vieira Andrade Jonato Prestes Thiago dos Santos rosa Post-graduate Program of Physical Education Catholic University of BrasıliaBrasılia 71966-700Brazil The Human Performance Mechanic Lehman CollegeNew YorkNY 10011USA Clinical Group Home dialysis Center and RenalClass Sao Paulo 01239-040Brazil department of Medicine Catholic University of BrasıliaBrasılia 71966-700Brazil Faculty of Medicine Federal University of TocantinsTocantins 77001-090Brazil Embrapa Genetic Resources and Biotechnology Brasılia 70770-917Brazil g Graduate Program of Genomic Sciences and Biotechnology Brasılia 71966-700Brazil

dear editor:We sincerely thank Matthew *** for his insightful commentary1 on our recent publication in the Journal of Sport and Health Science.2 Clarkson's pioneering work in the development and application of blood flow restriction (BFR) exercise protocols has undeniably laid the groundwork for subsequent investigations in this field,including our own.(3-6)His commentary not only highlights the relevance and timeliness of our study but also offers valuable perspectives on refining safety considerations for intradialytic BFR exercise among hemodialysis patients.

关键词： patients application flow

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Fatty acids in microalgae and cyanobacteria in a changing world:Contrasting temperate and cold environments

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BIOCELL 2022年第3期46卷 607-621页

作者： MARCELO P.HERNANdO IRENE R.SCHLOSS FLORENCIA de la rosa MARLEEN de TROCH Comisión Nacional de Energía Atómica(CNEA) Centro Atómico ConstituyentesDepartamento de RadiobiologíaSan MartínBuenos AiresArgentina Red.de Investigación de Estresores Marinos-costeros en América latina y el Caribe(REMARCO) Mar del Plata7602Argentina Instituto Antártico Argentino(IAA) San MartínBuenos AiresArgentina Centro Austral de Investigaciones Científicas(CAdIC-CONICET) Ushuaia9410Argentina Universidad Nacional de Tierra del Fuego Ushuaia9410Argentina Instituto de Ciencias Básicas y Experimentales(ICBE) Universidad de MorónMorónBuenos AiresArgentina Consejo Nacional de Investigaciones Científicas y Técnicas(CONICET) Buenos AiresArgentina Ghent University Faculty of SciencesBiology DepartmentMarine BiologyGhent9000Belgium

Under the present changing climate conditions and the observed temperature increase,it is of high importance to understand its effects on aquatic microbial life,and organisms’adaptations at the biochemical *** adjust to temperature or salinity stress and avoid cell damage,organisms alter their degree of fatty acids(FAs)***,temperature is expected to have strong effects on both the quantity and quality of FAs in aquatic *** we review some recent findings about FAs sensitivity to climate change in contrasting ***,heat waves may induce changes in the relative abundance of polyunsaturated FAs(PUFA).However,the impact of the exposure to warming waters is different in temperate and polar *** cold marine waters,high concentration of omega-3(ω3)FAs such as eicosapentaenoic acid(EPA)is promoted due to the activation of the desaturase *** this way,cells have enough energy to produce or activate antioxidant protection mechanisms and avoid oxidative stress due to heat ***,under high irradiance and heat wave conditions in temperate environments,photosystems’protection is achieved by decreasing EPA concentration due to desaturase *** FAs are transferred in aquatic food ***,any alteration in the production of essential FAs by phytoplankton(the main source ofω3)due to climate warming can be transferred to higher trophic levels,with cascading effects for the entire aquatic ecosystem.

关键词： Antarctic Temperate Essential FAs Increased temperature Microalgae Cyanobacteria

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Efficacy of 1% Permethrin and 2% Permethrin Combined with 1% Piperonyl Butoxide against Rhipicephalus sanguineus Ticks in Naturally Infested dogs

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Pharmacology & Pharmacy 2024年第7期15卷 237-247页

作者： Andrea Márquez-Aguado Froylán Ibarra-Velarde Joaquín Ambia-Medina rosa Arias-García departamento de Parasitologa Facultad de Medicina Veterinaria y Zootecnia Universidad Nacional Autnoma de Mxico Mexico City Mxico laboratorios Salud Animal S.A de C.V. Mexico City Mxico

The aim of the present study was to compare the ixodicide efficacy of 1% permethrin applied as a shampoo-bath in single treatment and a combined formulation of 2% permethrin + 1% piperonyl butoxide applied as powder in a single treatment against Rhipicephalus sanguineus ticks, in naturally infested dogs. Eighteen adult cross-mixed dogs, harboring to at least 20 ticks/animal, were selected on pre-treatment live tick counts. On day 0, the dogs were then divided in 3 groups of 6 animals each, for treatment: Group 1 (G1) received 1% permethrin applied as shampoo-bath (approximately 10 ml/kg bw), according to label instructions. G2 was treated with 2% permethrin + 1% piperonyl butoxide applied as powder, and rubbed as massage on the body, as recommended by the producer. G3 served as a non-treated control. After the treatment, the dogs were checked out for live ticks counting on days 0, 1, 7, and 14. The ixodicide efficacy was assessed based on the percentage reductions of ticks on the days analyzed post-treatment, with respect to the untreated control. Results showed that permethrin alone removed ticks on 81%, 93.1% and 89.6% for days 1, 7 and 14, respectively. The combined formulation of 2% permethrin + 1% piperonyl butoxide exerted a better efficacy of 98.8, 97.7 and 97.0%, respectively. It is concluded that this combined formulation was highly effective at rapidly repelling and killing Riphicephalus sanguineus ticks on naturally infected dogs, showing a significant effect on days 1, 7 and 14 after tick exposure. The sustained high and quick level of efficacy of this combination may well interfere with the transmission of Riphicephalus sanguineus ticks. It is concluded that the sustained high level of efficacy of the permethrin + piperonyl butoxide combination may well exert an additive effect and could interfere with the transmission of Riphicephalus sanguineus ticks.

关键词： Efficacy Permethrin Permethrin + Piperonyl Butoxide Riphicephalus sanguineus dogs

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Role of vascular endothelial growth factor as a critical neurotrophic factor for the survival and physiology of motoneurons

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Neural Regeneration Research 2023年第8期18卷 1691-1696页

作者： Paula M.Calvo Rosendo G.Hernández rosa R.de la Cruz Angel M.Pastor departamento de Fisiología Facultad de BiologíaUniversidad de SevillaSevillaSpain

Vascular endothelial growth factor(VEGF)was discovered by its angiogenic ***,during evolution,it appeared earlier as a neurotrophic factor required for the development of the nervous system in invertebrates lacking a circulatory *** aimed at reviewing recent evidence indicating that VEGF has neuroprotective effects in neurons exposed to a variety of *** particular interest is the link established between VEGF and motoneurons,especially after the design of the VEGFδ/δmutant *** mice are characterized by low levels of VEGF and.develop muscle weakness and motoneuron degeneration resembling amyotrophic lateral *** administration of VEGF through several routes to animal models of amyotrophic lateral sclerosis delays motor impairment and motoneuron degeneration and increases life *** are new recent advances in the role of VEGF in the physiology of *** experimental aims use the extraocular(abducens)motoneurons lesioned by axotomy as a model for studying VEGF *** abducens motoneurons exhibit severe alterations in their discharge activity and a loss of synaptic *** exogenous administration of VEGF to axotomized abducens motoneurons,either from the transected nerve or intraventricularly,fully restores the synaptic and discharge properties of abducens motoneurons,despite being *** addition,when an anti-VEGF neutralizing antibody is delivered from the muscle to intact,uninjured abducens motoneurons,these cells display alterations in their discharge pattern and a loss of synaptic boutons that resemble the state of *** these data indicate that VEGF is an essential neurotrophic factor for motoneurons.

关键词： abducens nucleus amyotrophic lateral sclerosis cell death extracellular single-unit recordings eye movements neurodegeneration oculomotor trophic factors

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元话语在数字化学科研究交流中的再语境化作用:以心理学文摘为例

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Chinese Journal of Applied Linguistics 2024年第2期47卷 178-195,364页

作者：罗莎·洛雷斯萨拉戈萨大学西班牙

元话语(metadiscourse)最初被视作探究学术性、单一书面文本的专属工具。但随着数字话语研究的深入,元话语似乎演变为一个颇具挑战性的探索框架。首先,网络环境下的作者与读者互动变得隐晦难辨,这为元话语的研究带来了一定的困扰;其次,... 详细信息

元话语(metadiscourse)最初被视作探究学术性、单一书面文本的专属工具。但随着数字话语研究的深入,元话语似乎演变为一个颇具挑战性的探索框架。首先,网络环境下的作者与读者互动变得隐晦难辨,这为元话语的研究带来了一定的困扰;其次,数字文本的多模态特性进一步增加了元话语研究的复杂性。本研究旨在深入剖析交互式元语言资源在在线交流环境中所扮演的关键角色。因此,该研究聚焦于英国心理学会官方网站上发布的数字研究文摘语料库,该网站是英国心理学界最具权威性和代表性的机构之一。本研究专注于互动元话语的功能性探讨,视其为一种重构语境的重要工具,以助力非专业读者更好地理解复杂学科知识。经过深入研究,该研究确定了几类关键的互动资源,包括代码词汇、证据、过渡标记以及框架标记。这些资源通过战略性的运用,有效地促进了专业信息的传递和中介作用,同时充分利用了数字平台所赋予的各项能力。

关键词：互动元话语在线研究文摘专家学科知识再语境化

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dehydrated Natural Feed for Cats: Influence on Apparent digestibility Coefficient, Feces Scores, and Serum Immune, Antioxidant, and Metabolic Biomarkers

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Food and Nutrition Sciences 2024年第7期15卷 594-611页

作者： Bruno Giorgio de Oliveira Cécere Guilherme Luiz deolindo Bianca F. Bissacotti Priscila Marquezin Copetti Maria rosa Chitolina Schetinger Bruna Klein Matheus delamea Baldissera Thiago Pereira Ribeiro Walter Hugo Cuelho Suarez daniel Pigatto Monteiro Aleksandro Schafer da Silva Graduate Multicenter Program in Biochemistry and Molecular Biology University of the State of Santa Catarina Lages Brazil department of Biochemistry and Molecular Biology Universidade Federal de Santa Maria (UFSM) Santa Maria Brazil department of Animal Science Universidade Federal de Santa Maria (UFSM) Chapec Brazil department of Health Science Universidade Franciscana (UFN) Santa Maria Brazil department of Animal Nutrition Tectron-Tecnologia e Inovao Toledo Brazil

The present study aimed to determine whether natural dehydrated feed (dNF) can replace dry extruded feed while preserving the required daily intake, nutrient digestibility and benefits for immunity and antioxidant response in cats. The animals were divided into two groups of seven animals each. One group received dNF, and the other consumed commercial extruded dry feed (dCF). The experiment lasted 45 days and we measured daily consumption and collected blood and feces samples. The animals in the dNF group showed greater digestibility of fiber and mineral matter than dCF. Cats in the dNF group had a higher volume of feces. dNF cats had lower leukocyte and granulocyte counts and cholesterol levels. Serum enzymatic antioxidant responses and non-enzymatic were higher in dNF cats. Cats in the dNF group showed lower serum acute phase proteins in addition to a tendency toward a higher concentration of transferrin than in the dCF group. Fecal Escherichia coli and total coliform counts of cats fed dNF were higher than dCF. We conclude that the daily consumption of cats is adequate. This feed had greater digestibility of fiber and mineral matter, in addition to an improvement in antioxidant and immunological responses.

关键词： Alternative Feed Antioxidant Companion Animals Health

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