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Natural Products Improve Organ Microcirculation Dysfunction Following Ischemia/Reperfusion-and Lipopolysaccharide-Induced Disturbances:Mechanistic and Therapeutic Views

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Engineering 2024年第7期38卷 77-99页

作者： Jingyan Han Quan Li Kai Sun Chunshui Pan Jian Liu Ping Huang Juan Feng Yanchen Liu gerald a.meininger Department of Integration of Chinese and Western Medicine School of Basic Medical SciencesPeking UniversityBeijing 100191China Tasly Microcirculation Research Center Peking University Health Science CenterBeijing 100191China Key Laboratory of Stasis and Phlegm State Administration of Traditional Chinese Medicine of the People’s Republic of ChinaBeijing 100191China Beijing Laboratory of Integrative Microangiopathy Peking University Health Science CenterBeijing 100191China Dalton Cardiovascular Research Center and Department of Medical Pharmacology and Physiology University of MissouriColumbiaMO 65211USA

Microcirculatory disturbances are complex processes caused by many factors,including abnormal vasomotor responses,decreased blood flow velocity,vascular endothelial cell injury,altered leukocyte and endothelial cell interactions,plasma albumin leakage,microvascular hemorrhage,and *** disturbances involve multiple mechanisms and interactions among mechanisms that can include energy metabolism,the mitochondrial respiratory chain,oxidative stress,inflammatory factors,adhesion molecules,the cytoskeleton,vascular endothelial cells,caveolae,cell junctions,the vascular basement membrane,neutrophils,monocytes,and *** clinical practice,aside from drugs that target abnormal vasomotor responses and platelet adhesion,there continues to be a lack of multi-target drugs that can regulate the complex mechanistic links and interactions underlying microcirculatory *** products have demonstrated obvious positive therapeutic effects in treating ischemia/reperfusion(I/R)-and lipopolysaccharide(LPS)-induced microcirculatory *** recent years,numerous research papers on the improvement of microcirculatory function by natural products have been published in international *** 2008 and 2017,the first listed author of this review was invited to publish reviews in the journal of Pharmacology&Therapeutics on the improvement of microcirculatory disturbances and organ injury induced by I/R using Salvia miltiorrhiza ingredients and other natural components of compounded Chinese medicine,*** review systematically summarizes the effects,targets of action,and mechanisms of natural products regarding improving I/R-and LPSinduced microcirculatory disturbances and tissue *** on this summary,scientific proposals are suggested for the discovery of new drugs to improve microcirculatory disturbances in disease.

关键词： Ischemia/reperfusion Lipopolysaccharide Natural products Leukocyte activation Hyperpermeability

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Mechanisms of myogenic tone and roles of tyrosine kinases,integrin receptors and microvascular control

Mechanisms of myogenic tone and roles of tyrosine kinases,in...

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11th International Vascular Neuroeffector Mechanisms and Cardiovascular Pharmacology and Medicine Symposia, Shanghai-Suzhou 2006

作者： Michael A.Hill Timothy V.Murphy Luis Martinez-Lemus gerald a.meininger Dalton Cardiovascular Research Center University of Missouri USA Dalton Cardiovascular Research Center University of Missouri USA Dalton Cardiovascular Research Center University of Missouri USA Dalton Cardiovascular Research Center University of Missouri USA

Arterioles exhibit a state of partial constriction that is related to the level of intraluminal pressure. This vasomotor response is a property of vascular smooth muscle and occurs independently of direct neurohumoral and endothelial input. The physiological relevance of myogenic constriction relates to the setting of peripheral resistance, local autoregulatory ability, provision of a level of tone that vasodilators can access, and a contribution to the regulation of capillary pressure. Despite its importance in the regulation of microvascular haemodynamics the exact

关键词： Mechanisms of myogenic tone and roles of tyrosine kinases,integrin receptors and microvascular control

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Arteriolar vascular smooth muscle cells:mechanotransducers in a complex environment

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泸州医学院学报 2013年第3期36卷 311-312页

作者： Michael A.Hill Yang Yan Li Min Zahra Nourian Kwangseok Hong Philip S.Clifford Sewon Lee Michael J.Davis gerald a.meininger Dalton Cardiovascular Research Center and Department of Medical Pharmacology and Physiology University of MissouriColumbiaMOUSA

Contraction of small artery(diameters typically less than 250μm)vascular smooth muscle cells(VSMCs)plays a critical role in local control of blood flow and arterial pressure through its affect on vascular ***,contrac... 详细信息

关键词：血管平滑肌细胞动脉环境内压力 VSMC 血液流动本地控制收缩

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Atomic force microscopy reveals new mechanisms of increased aortic stiffness in hypertension

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泸州医学院学报 2013年第3期36卷 310-311页

作者： gerald a.meininger Nancy L.Sehgel Zhu Yi Sun Zhe Hong Zhongkui Michael A.Hill Gao Shumin Jerome P.Trzeciakowski William C.Hunter Dorothy E.Vatner Stephen F.Vatner Dalton Cardiovascular Research Center and Department of Medical Pharmacology and Physiology University of MissouriColumbiaMOUSA Department of Cell Biology and Molecular Medicine UMDNJ-New Jersey Medical SchoolNewarkNJUSA Department of Biomedical Engineering New Jersey Institute of TechnologyNewarkNJUSA Department of Systems Biology and Translational Medicine Texas A&M UniversityCollege StationTXUSA

Hypertension is an important global health problem that continues increase in *** vascularstiffness has been identified as an important component of the pathogenesis of hypertension(HT).Based on theresults of recent Framingham studies,it appears that aortic increased stiffness may precede hypertension suggest-ing that controlling arterial stiffness may

关键词：发病机制高血压原子力显微镜主动脉僵硬健康问题组成部分药物治疗

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Epitranscriptomic Regulation of NMDA Receptors Rears its Ugly Head in Chemotherapy-Induced Neuropathic Pain

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Neuroscience Bulletin 2024年第8期40卷 1209-1211页

作者： Wing Lam Yu gerald W.Zamponi Department of Clinical Neurosciences Hotchkiss Brain InstituteAlberta Children's Hospital Research InstituteUniversity of CalgaryCalgaryAB T2N 4N1Canada

A number of different cancer chemotherapy agents such as cisplatin,oxaliplatin,and paclitaxel can lead to nerve damage,thereby giving rise to neuropathic pain states that present with mechanical and cold allodynia[1].Although these pain conditions often resolve after completion of the chemotherapy,a significant portion of patients exhibit longlasting pain that can persist longer than 12 months with a negative impact on the quality of life of affected individuals[1].

关键词： chemotherapy pain damage

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The neurovascular unit-on-a-chip:modeling ischemic stroke to stem cell therapy

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Neural Regeneration Research 2024年第7期19卷 1431-1432页

作者： Seonghun Kim Minjun Kim gerald A.Grant Wonjae Lee Department of Neurosurgery Duke University School of MedicineDurhamNCUSA Department of Neurobiology Duke University School of MedicineDurhamNCUSA Duke Institute for Brain Sciences Duke University School of MedicineDurhamNCUSA Duke Cancer Institute Duke University School of MedicineDurhamNCUSA

The neurovascular unit and stem cell therapy in ischemic stroke:Ischemic stroke,accounts for approximately 85% of all stroke incidents and is a major global health *** is the leading cause of disability and death worldwide,posing immense societal and economic challenges due to the long-term care required for stro ke survivors and the significant healthcare costs associated with its treatment and management(Amarenco et al.,2009).

关键词： death unit

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Changes in children’s cardiorespiratory fitness and body mass index over the course of the COVID‑19 pandemic:a 34‑month longitudinal study of 331 primary school children

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World Journal of Pediatrics 2024年第2期20卷 185-188页

作者： gerald Jarnig Reinhold Kerbl Mireille N.M.van Poppel Institute of Human Movement Science Sport and HealthUniversity of GrazMozartgasse 148010 GrazAustria Department of Pediatrics and Adolescent Medicine LKH Hochsteiermark8700 LeobenAustria

In late 2019,heavy restrictions were enforced on public activities worldwide to diminish the spread of the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)virus[1].These restrictions,which included school closures and strictly limited sports and leisure opportunities,particularly impacted children and adolescents[2].Lifestyle changes in children and adolescents led to reduced physical activity levels[2,3],increased sedentary behavior[3,4],changes in eating habits,and changes in sleep habits[3].

关键词： respiratory acute children

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Remote sensing of quality traits in cereal and arable production systems:A review

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The Crop Journal 2024年第1期12卷 45-57页

作者： Zhenhai Li Chengzhi Fan Yu Zhao Xiuliang Jin Raffaele Casa Wenjiang Huang Xiaoyu Song gerald Blasch Guijun Yang James Taylor Zhenhong Li College of Geodesy and Geomatics Shandong University of Science and TechnologyQingdao 266590ShandongChina Key Laboratory of Quantitative Remote Sensing in Ministry of Agriculture and Rural Affairs Information Technology Research CenterBeijing Academy of Agriculture and Forestry SciencesBeijing 100097China Institute of Crop Sciences Chinese Academy of Agricultural Sciences/Key Laboratory of Crop Physiology and EcologyMinistry of Agriculture and Rural AffairsBeijing 100081China DAFNE Universitàdella TusciaVia San Camillo de Lellis01100 ViterboItaly Key Laboratory of Digital Earth Science Aerospace Information Research InstituteChinese Academy of SciencesBeijing 100094China International Maize and Wheat Improvement Center(CIMMYT) PO Box 5689Addis AbabaEthiopia ITAP Univ.MontpellierINRAEInstitut AgroMontpellier 34000France College of Geological Engineering and Geomatics Chang’an UniversityXi’an 710054ShaanxiChina

Cereal is an essential source of calories and protein for the global *** predicting cereal quality before harvest is highly desirable in order to optimise management for farmers,grading harvest and categorised storage for enterprises,future trading prices,and policy *** use of remote sensing data with extensive spatial coverage demonstrates some potential in predicting crop quality *** studies have also proposed models and methods for predicting such traits based on multiplatform remote sensing *** this paper,the key quality traits that are of interest to producers and consumers are *** literature related to grain quality prediction was analyzed in detail,and a review was conducted on remote sensing platforms,commonly used methods,potential gaps,and future trends in crop quality *** review recommends new research directions that go beyond the traditional methods and discusses grain quality retrieval and the associated challenges from the perspective of remote sensing data.

关键词： Remote sensing Quality traits Grain protein Cereal

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Eye on the Sky: A UAP Research and Field Study off New York’s Long Island Coast

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Open Journal of Applied Sciences 2024年第8期14卷 2267-2295页

作者： John Joseph Tedesco gerald Thomas Tedesco Harvard Universitys Galileo Project Independent Research Affiliate Cambridge USA Consortium for The Scientific Understanding of Natures Mysteries Holbrook USA Institute of Electrical and Electronic Engineers Washington USA American Academy of Environmental Engineers and Scientist Annapolis USA Independent Researcher Holbrook USA

A ten-month field research study was meticulously conducted at Robert Moses State Park (RMSP) on the south shore of Long Island, NY. The objective was to determine if aerial phenomena of an unknown nature exist over a coastal location and to characterize their properties and behaviors. Primary and secondary field observation methods were utilized in this data-centric study. Forensic engineering principles and methodologies guided the study. The challenges set forward were object detection, observation, and characterization, where multispectral electro-optical devices and radar were employed due to limited visual acuity and intermittent presentation of the phenomena. The primary means of detection utilized a 3 cm X-band radar operating in two scan geometries, the X- and Y-axis. Multispectral electro-optical devices were utilized as a secondary means of detection and identification. Data was emphasized using HF and LF detectors and spectrum analyzers incorporating EM, ultrasonic, magnetic, and RF field transducers to record spectral data in these domains. Data collection concentrated on characterizing VIS, NIR, SWIR, LWIR, UVA, UVB, UVC, and the higher energy spectral range of ionizing radiation (alpha, beta, gamma, and X-ray) recorded by Geiger-Müller counters as well as special purpose semiconductor diode sensors.

关键词： Unidentified Anomalous Phenomenon (UAP) Forensic Techno-Signatures Office of the Director of National Intelligence (ODNI) Multispectral Electro-Optical (MEO) Ultraviolet A Radiation (UVA) Ultraviolet B Radiation (UVB) Ultraviolet C Radiation (UVC) Visible (VIS) Near-Infrared (NIR) Short-Wave Infrared (SWIR) Long-Wave Infrared (LWIR) Low-Frequency (LF) High-Frequency (HF) Radio-Frequency (RF) Alpha Beta Gamma Ultrasonic X-Band Active Radar Kinematics Aerodynamics Luminous Spheroids Robert Moses State Park (RMSP)

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Heuristic Estimation of the Vacuum Energy Density of the Universe: Part II-Analysis Based on Frequency Domain Electromagnetic Radiation

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Journal of Electromagnetic Analysis and Applications 2024年第1期16卷 1-9页

作者： Vernon Cooray gerald Cooray Marcos Rubinstein Farhad Rachidi Department of Electrical Engineering Uppsala University Uppsala Sweden Karolinska Institute Stockholm Sweden HEIG-VD University of Applied Sciences and Arts Western Switzerland Yverdon-les-Bains Switzerland Electromagnetic Compatibility Laboratory Swiss Federal Institute of Technology (EPFL) Lausanne Switzerland

In Part I of this paper, an inequality satisfied by the vacuum energy density of the universe was derived using an indirect and heuristic procedure. The derivation is based on a proposed thought experiment, according to which an electron is accelerated to a constant and relativistic speed at a distance L from a perfectly conducting plane. The charge of the electron was represented by a spherical charge distribution located within the Compton wavelength of the electron. Subsequently, the electron is incident on the perfect conductor giving rise to transition radiation. The energy associated with the transition radiation depends on the parameter L. It was shown that an inequality satisfied by the vacuum energy density will emerge when the length L is pushed to cosmological dimensions and the product of the radiated energy, and the time duration of emission is constrained by Heisenberg’s uncertainty principle. In this paper, a similar analysis is conducted with a chain of electrons oscillating sinusoidally and located above a conducting plane. In the thought experiment presented in this paper, the behavior of the energy radiated by the chain of oscillating electrons is studied in the frequency domain as a function of the length L of the chain. It is shown that when the length L is pushed to cosmological dimensions and the energy radiated within a single burst of duration of half a period of oscillation is constrained by the fact that electromagnetic energy consists of photons, an inequality satisfied by the vacuum energy density emerges as a result. The derived inequality is given by where is the vacuum energy density. This result is consistent with the measured value of the vacuum energy density, which is 5.38 × 10-10 J/m. The result obtained here is in better agreement with experimental data than the one obtained in Part I of this paper with time domain radiation.

关键词： Classical Electrodynamics Electromagnetic Radiation Action Radiated Energy Photon Heisenberg’s Uncertainty Principle Dark Energy Vacuum Energy Cosmological Constant Hubble Radius

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