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Behavioral and endocrine responses to noninteractive live and video conspecifics in males of the Siamese fighting fish

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Current Zoology 2023年第5期69卷 568-577页

作者： Deepa Alex Sara DCardoso Andreia Ramos david gonçalves Institute of Science and Environment University of Saint JosephRua de Londres 106Macao SARChina

The physiological mechanisms underlying variation in aggression in fish remain poorly *** possibly confounding variable is the lack of standardization in the type of stimuli used to elicit *** presentation of controlled stimuli in videos,*** playback,can provide better control of the fight ***,this technique has produced conflicting results in animal behavior studies and needs to be carefully *** this,a similar response to the video and an equivalent live stimulus needs to be ***,different physiological responses may be triggered by live and video stimuli,and it is important to demonstrate that video images elicit appropriate physiological ***,the behavioral and endocrine responses of male Siamese fighting fish Betta splendens to a matched-for-size conspecific fighting behind a one-way mirror,presented live or through video playback,were *** video playback and live stimulus elicited a strong and similar aggressive response by the focal fish,with a fight structure that started with stereotypical threat displays and progressed to overt *** plasma levels of the androgen 11-ketotestosterone were elevated as compared to controls,regardless of the type of *** also increased in response to the video images,as previously described for live fights in this *** results show that the interactive component of a fight and its resolution are not needed to trigger an endocrine response to aggression in this *** study also demonstrates for the first time in a fish a robust endocrine response to video stimuli and supports the use of this technique for researching aggressive behavior in ***.

关键词： aggression androgens corticosteroids Betta splendens one-way mirror video playback

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Making bridges between preclinical and clinical insights into age-related cognitive decline

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Neural Regeneration Research 2025年第8期20卷 2321-2322页

作者： david VC Brito Clévio Nóbrega Algarve Biomedical Center-Research Institute(ABC-RI) Campus GambelasFaroPortugal Algarve Biomedical Center-(ABC) Campus GambelasFaroPortugal Faculty of Medicine and Biomedical Sciences(FMCB) University of AlgarveGambelas CampusFaroPortugal

With people living longer,the societal impact of age-related cognitive decline is becoming more pronounced(Crimmins,2015).Thus,it is increasingly important to comprehend the cognitive shifts linked to aging-whether th... 详细信息

关键词： bridges becoming insight

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Women in visual neural regeneration research

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Neural Regeneration Research 2025年第2期20卷 489-490页

作者： Tonia S.Rex david J.Calkins Vanderbilt Eye Institute Vanderbilt University Medical CenterNashvilleTNUSA

The year 2024 marks the 60^(th)anniversary of Title IX and 25 years since the New York Times revealed bias against female faculty members at the Massachusetts Institute of *** take an opportunity here to examine the state of gender bias in a relatively new yet already prominent field,neural regeneration in the visual system,for which there is a well-defined context useful for this *** National Eye Institute(NEI)provided the first round of research funding for its Audacious Goals Initiative(AGI)on visual neural regeneration in 2013 and the last round in ***,we focus on this *** sources included PubMed,the National Science Foundation(NSF),the NEI,the Blue Ridge Institute for Medical Research and data from the major professional organization for eye and vision research,the Association for Research in Vision and Ophthalmology(ARVO).

关键词： neural visual Times

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A 96-wells fluidic system for high-throughput screenings under laminar high wall shear stress conditions

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Microsystems & Nanoengineering 2023年第5期9卷 203-217页

作者： Catarina gonçalves Fonseca Vânia Silvério david Barata Wolfgang Giese Holger Gerhardt Susana Cardoso Claudio Areias Franco Instituto de Medicina Molecular João Lobo Antunes Faculdade de MedicinaUniversidade de LisboaLisboaPortugal INESC Microsistemas and Nanotecnologias INESC-MNLisboaPortugal Department of Physics Instituto Superior TécnicoUniversidade de LisboaLisboaPortugal Max Delbrück Center for Molecular Medicine BerlinGermany DZHK(German Centre for Cardiovascular Research) Partner Site BerlinBerlinGermany Charité–Universitätsmedizin Berlin BerlinGermany Universidade Católica Portuguesa Católica Medical SchoolCatólica Biomedical Research CentreLisbonPortugal

The ability of endothelial cells to respond to blood flow is fundamental for the correct formation and maintenance of a functional and hierarchically organized vascular *** flow responses,in particular related to high flow conditions,have been associated with atherosclerosis,stroke,arteriovenous malformations,and neurodegenerative ***,the molecular mechanisms involved in high flow response are still poorly ***,we described the development and validation of a 96-wells fluidic system,with interchangeable cell culture and fluidics,to perform high-throughput screenings under laminar high-flow *** demonstrated that endothelial cells in our newly developed 96-wells fluidic system respond to fluid flow-induced shear stress by aligning along the flow direction and increasing the levels of KLF2 and *** further demonstrate that our 96-wells fluidic system allows for efficient gene knock-down compatible with automated liquid handling for high-throughput screening ***,we propose that this modular 96-well fluidic system is an excellent platform to perform genome-wide and/or drug screenings to identify the molecular mechanisms involved in the responses of endothelial cells to high wall shear stress.

关键词： system laminar fluid

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Neuronal failure in Alzheimer's disease: a view through the oxidative stress looking-glass

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Neuroscience Bulletin 2014年第2期30卷 243-252页

作者： david J. Bonda Xinglong Wang Hyoung-gon Lee Mark A. Smith George Perry Xiongwei Zhu Department of Pathology Case Western Reserve University UTSA Neurosciences Institute and Department of Biology University of Texas at San Antonio

Considerable debate and controversy surround the cause（s） of AIzheimer＇s disease （AD）. To date, several theories have gained notoriety, however none is universally accepted. In this review, we provide evidence for the oxidative stress-induced AD cascade that posits aged mitochondria as the critical origin of neurodegeneration in AD.

关键词： Alzheimer's disease amyloid-beta free radicals mitochondria mitochondrial dynamics oxidativestress

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Short Report:Babywalkers Use and Age of Autonomous Sitting and Walking in Portuguese Infants

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Psychology Research 2020年第7期10卷 289-292页

作者： david Catela Carolina Lagoiro Carolina gonçalves Filipa Passadinhas Isabela Ribeiro Ana Paula Seabra Higher School of Sports Sciences of Rio Maior Polytechnique Institute of SantarémSantarémPortugal Life Quality Research Centre(CIEQV) Rio MaiorPortugal Research Unity of the Polytechnique Institute of Santarém SantarémPortugal Higher School of Education of Santarém Polytechnique Institute of SantarémSantarémPortugal

Babywalkers are wheeled seats for infants that support their weight and allow them to move around,pushing the floor with their feet or feet’s *** purpose of the present study was to verify if Portuguese infants that used babywalker gained or not temporal advantage compared to infants who did not use any instrument for learning to *** were obtained through a structured questionnaire for parents,with closed *** revealed that babywalkers use does not afford advantages in the acquisition of independent *** absence of association between seat and walk autonomously in babywalker users that also used other walk-helper(e.g.,harness belt)reinforces the hypothesis that the use of these equipments may disrupt normal process of transition between seat and walk in *** the sample of the present study,a great percentage of Portuguese parents still presume that the use of babywalkers or similar equipments are necessary for independent walking *** should be discouraged as an instrument for independent walk learning,and be replaced by functional stimulation,like stepping reflex systematic practice.

关键词： infants babywalker autonomous seat autonomous walk

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Vegetative propagation of Apuleia leiocarpa(Vogel)***

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Journal of Forestry Research 2022年第2期33卷 455-462页

作者： JoséGabriel de Souza Silva Diêgo Faustolo alves Bispo david Pessanha Siqueira Giovanna Campos Mamede Weiss de Carvalho Deborah Guerra Barroso Laboratório de Fitotecnia Universidade Estadual do Norte Fluminense Darcy RibeiroAvenida Alberto LamegoCampos dos GoytacazesRJ 2000Brazil

Apuleia leiocarpa is an environmentally and economically significant Atlantic Forest species threat-ened by ongoing *** vegetative propagation of the species could be a step forward to enable implanta-tion of clonal seed orchards and multiplication of selected trees but remains unknown to *** study assessed the mini-cutting technique for propagation of *** and determined the time required for rooting and viable mini-cutting type and *** results show that it is possible to propagate *** with mini-cuttings derived from mini-stumps produced with seeds;the mini-stumps pre-sented regrowth capacity and remained constantly produc-tive for 1 year;10-cm *** mini-cuttings should remain under misting conditions for at least 40 days,and the vegetative propagation of *** with intermediate 7-to 10-cm mini-cuttings resulted in more vigorous clonal seedlings than smaller mini-cuttings.

关键词： Mini-cutting Tropical woody species Adventitious rooting Fabaceae

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Diabetic neuropathy: An evaluation of the use of quercetin in the cecum of rats

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World Journal of Gastroenterology 2013年第38期19卷 6416-6426页

作者： Paulo Emilio Botura Ferreira Cláudia Regina Pinheiro Lopes Angela Maria Pereira alves der Paulo Belato alves david Robert Linden Jacqueline Nelisis Zanoni Nilza Cristina Buttow Department of Morphological Sciences Universidade Estadual de MaringáMaringáPR. CEP 87020-900Brazil Department of Physiology and Biomedical Engineering and Enteric NeuroScience Program Mayo Clinic College of MedicineRochesterMN 55905United States

AIM:To investigate the effect of quercetin supplementation on the myenteric neurons and glia in the cecum of diabetic ***:Total preparations of the muscular tunic were prepared from the ceca of twenty-four rats divided into the following groups:control(C),control supplemented with quercetin(200 mg/kg quercetin body weight)(CQ),diabetic(D)and diabetic supplemented with quercetin(DQ).Immunohistochemical double staining technique was performed with HuC/D(general population)/nitric oxide synthase(nNOS),HuC-D/S-100and *** analysis of the general neuronal population HuC/D-IR,the nNOS-IR(nitrergic subpopulation)and the enteric glial cells(S-100)was performed,and the morphometry and the reduction in varicosity population(VIP-IR)in these populations were ***:Diabetes promoted a significant reduction(25%)in the neuronal density of the HuC/D-IR(general population)and the nNOS-IR(nitrergic subpopulation)compared with the C *** also significantly increased the areas of neurons,glial cells and VIP-IR *** with quercetin in the DQ group prevented neuronal loss in the general population and increased its area(P<0.001)and the area of nitrergic subpopulation(P<0.001),when compared to C *** induced a VIP-IR and glial cells areas(P<0.001)in DQ group when compared to C,CQ and D ***:In diabetes,quercetin exhibited a neuroprotective effect by maintaining the density of the general neuronal population but did not affect the density of the nNOS subpopulation.

关键词： Diabetes Myenteric plexus Neuroprotection Neuronal nitric oxide synthase Vasoactive intestinal polypeptide Enteric glia

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How to improve colon cancer screening rates

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World Journal of Gastrointestinal Oncology 2015年第12期7卷 484-491页

作者： Luiz Ronaldo Alberti Diego Paim Carvalho Garcia Debora Lucciola Coelho david Correa alves De Lima Andy Petroianu Department of Surgery Federal University of Minas Gerais Medical Sciences of Minas Gerais

Colorectal carcinoma is a common cause of death throughout the world and may be prevented by routine control, which can detect precancerous neoplasms and early cancers before they undergo malignant transformation or metastasis. Three strategies may improve colon cancer screening rates: convince the population about the importance of undergoing a screening test; achieve higher efficacy in standard screening tests and make them more available to the community and develop new more sensitive and efficacious screening methods and make them available as routine tests. In this light, the present study seeks to review these three means through which to increase colon cancer screening rates.

关键词： Colon cancer screening Colon cancer Screening test

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Transformation of leather waste into microwave-activated and N-doped carbon for Li-S batteries

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新型炭材料(中英文) 2025年

作者： Carolina Pano-Azucena Roberto Rosas-Rangel Miguel Olvera-Sosa david Salvador gonzález-gonzález Rene Rangel-Mendez Luis Felipe Chazaro-Ruiz Miguel Avalos-Borja Javier Antonio Arcibar-Orozco CIATEC.Center for Applied Innovation in Competitive Technologies Tecnologico de Monterrey School of Engineering and Sciences Instituto Potosino de Investigación Científica y Tecnológica Universidad Autónoma de Coahuila Facultad de SistemasCiudad Universitaria

The use of carbon from waste biomass has the potential to buffer the drawbacks of Li-S batteries and improve their overall performance. Chrome-Tanned-LeatherShavings(CTLS) are undesirable wastes, highly available for transformation into porous carbon. Microwave activation is an efficient state-of-the-art procedure to obtain unique porous structures and nitrogen incorporation can improve the performance of porous carbons. This study proposes the transformation of CTLS into a microwave activated porous carbon, and then was modified to introduce nitrogen. A microporous activated carbon with a specific surface area of 556 m2g-1 with honeycomb-like structure was obtained. Both urea thermal decomposition and ethanolamine impregnation improves the nitrogen and amine presence of surface groups. However,the results indicated that only urea treatment was effective in improving the initial capacity of the cell(1363 mAhg-1), which is probably linked with the sorption of long-chain polysulfides. This investigation confirms that it is possible to obtain carbon materials from CTLS, for use as sulfur-host cathodes in Li-S batteries, and improve their performance with urea thermal decomposition. Furthermore, a Radial basis function neural network was fitted to provide statistical support to the experimental results. The trained model corroborated the importance of nitrogen content of the carbons in the discharge capacity of the cells.

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