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The rationale and design of the minocycline plus amiodarone versus amiodarone alone (MINAA) trial for the prevention of atrial fibrillation after cardiac surgery

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World Journal of Cardiovascular Diseases 2012年第4期2卷 269-276页

作者： Abdallah Khaled Alameddine Paul Visintainer Victor Alimov Jennifer Germain Yvonne A. Alameddine daniel engelman John A. Rousou Divisions of Cardiac Surgery Baystate Medical Center Springfield USA The Department of Epidemiology and Academic Affairs Springfield USA

Objectives: Amiodarone administration is presently considered in the prevention of new-onset postoperative atrial fibrillation (PAF) after cardiac operations, but relapse of PAF requiring anticoagulation therapy at hospital discharge is prevalent despite amiodarone prophylaxis. PAF is also associated with increased morbidity and mortality including complications resulting from long-term anticoagulation therapy. Currently, the most effective therapy to prevent PAF after cardiac surgery remains undetermined. Inflammatory mechanisms may be partly responsible for PAF. Minocycline, a tetracycline antibiotic, has specifically an atrial myocytes anti-apoptotic effect, decreases right atrial tissue inflammation and oxidative stress activity. These observations led to this trial’s hypothesis that the addition of minocycline to amiodarone may favorably affect suppression of PAF. Methods: This trial compares the efficacy and safety of minocycline plus amiodarone versus amiodarone alone, in the prevention of PAF among adult patients undergoing cardiac procedures. All patients receive Beta-blocker agent. The primary outcome is PAF occurrence. Secondary outcomes include thromboembolic stroke, need for pharmacologic or electric cardioversion, mediastinal exploration for sepsis or for anticoagulation-related bleeding, serious drug side effects, length of hospital stay and 30-day mortality from cardiovascular causes. Results: This is an ongoing prospective single center randomized controlled clinical trial. Conclusion: The trial provides information on the comparative effectiveness of this low-risk prevention therapy of PAF that could be integrated in clinical practice. (*** number, NCT 01422148).

关键词： Arrhythmias Clinical Electrophysiology Drugs Cardiovascular Pharmacology CV Surgery: Coronary Artery Disease CV Surgery: Valvular Disease Thrombosis Risk Factors

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Randomized controlled trial of remote ischemic preconditioning and atrial fibrillation in patients undergoing cardiac surgery

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World Journal of Cardiology 2016年第10期8卷 615-622页

作者： Amir S Lotfi Hossein Eftekhari Auras R Atreya Ananth Kashikar Senthil K Sivalingam Miguel Giannoni Paul Visintainer daniel engelman Department of Cardiology Baystate Medical Center Tufts University School of Medicine Department of Anesthesiology Baystate Medical Center Tufts University School of Medicine Department of Epidemiology and Biostatistics Baystate Medical Center Tufts University School of Medicine Department of Cardiac Surgery Baystate Medical Center Tufts University School of Medicine

AIM To study whether remote ischemic preconditioning(RIPC) has an impact on clinical outcomes, such as post-operative atrial fibrillation(POAF).METHODS This was a prospective, single-center, single-blinded,randomized controlled study. One hundred and two patients were randomized to receive RIPC(3 cycles of 5 min ischemia and 5 min reperfusion in the upper arm after induction of anesthesia) or no RIPC(control). Primary outcome was POAF lasting for five minutes or longer during the first seven days after surgery. Secondary outcomes included length of hospital stay, incidence of inpatient mortality, myocardial infarction, and stroke. RESULTS POAF occurred at a rate of 54% in the RIPC group and 41.2% in the control group(P = 0.23). No statistically significant differences were noted in secondary outcomes between the two groups. CONCLUSION This is the first study in the United States to suggest that RIPC does not reduce POAF in patients with elective or urgent cardiac surgery. There were no differences in adverse effects in either group. Further studies are required to assess the relationship between RIPC and POAF.

关键词： Chronic ischemic heart disease Cardiac surgery Coronary artery disease Other treatment Remote ischemic preconditioning Post-operative atrial fibrillation

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Amyloid-β-induced disruption of axon-initial-segment mitochondria localization:consequences for TAU missorting in Alzheimer's disease pathology

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Neural Regeneration Research 2025年第5期20卷 1407-1408页

作者： daniel Adam Felix Langerscheidt Hans Zempel Institute of Human Genetics University Hospital CologneCologneGermany Center for Molecular Medicine Cologne(CMMC) University of CologneCologneGermany

TAU is a neuronal microtubule-associated protein preferentially located in *** a battery of neurodegenerative diseases termed"tauopathies,"including Alzheimer's disease (AD),TAU is missorted and abnormally phosphorylated,leading to filamentous accumulations of hyperphosphorylated TAU,a pathological hallmark and potential disease driver of AD and related tauopathies (Zempel,2024).

关键词： Alzheimer tau diseases

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Wafer‑Scale Ag_(2)S‑Based Memristive Crossbar Arrays with Ultra‑Low Switching‑Energies Reaching Biological Synapses

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Nano-Micro Letters 2025年第3期17卷 328-339页

作者： Yuan Zhu Tomas Nyberg Leif Nyholm daniel Primetzhofer Xun Shi Zhen Zhang Division of Solid‑State Electronics Department of Electrical EngineeringUppsala University75121 UppsalaSweden Department of Chemistry Uppsala UniversityUppsalaSweden Department of Physics and Astronomy Uppsala UniversityUppsalaSweden State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of CeramicsChinese Academy of SciencesShanghai 200050People’s Republic of China

Memristive crossbar arrays(MCAs)offer parallel data storage and processing for energy-efficient neuromorphic ***,most wafer-scale MCAs that are compatible with complementary metal-oxide-semiconductor(CMOS)technology still suffer from substantially larger energy consumption than biological synapses,due to the slow kinetics of forming conductive paths inside the memristive *** we report wafer-scale Ag_(2)S-based MCAs realized using CMOS-compatible processes at temperatures below 160℃.Ag_(2)S electrolytes supply highly mobile Ag+ions,and provide the Ag/Ag_(2)S interface with low silver nucleation barrier to form silver filaments at low energy *** further enhancing Ag+migration in Ag_(2)S electrolytes via microstructure modulation,the integrated memristors exhibit a record low threshold of approximately−0.1 V,and demonstrate ultra-low switching-energies reaching femtojoule values as observed in biological *** low-temperature process also enables MCA integration on polyimide substrates for applications in flexible ***,the intrinsic nonidealities of the memristive units for deep learning can be compensated by employing an advanced training *** impressive accuracy of 92.6%in image recognition simulations is demonstrated with the MCAs after the *** demonstrated MCAs provide a promising device option for neuromorphic computing with ultra-high energy-efficiency.

关键词： Wafer-scale Ag_(2)S films Reactive sputter Silver nucleation Ag^(+)migration Energy-efficient neuromorphic computing

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Vascular endothelial growth factor:a double-edged sword in the development of white matter lesions

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Neural Regeneration Research 2025年第1期20卷 191-192页

作者： Narek Manukjan daniel Fulton Zubair Ahmed WMatthijs Blankesteijn Sébastien Foulquier Department of Pharmacology and Toxicology Maastricht UniversityMaastrichtThe Netherlands CARIM-School for Cardiovascular Diseases Maastricht UniversityMaastrichtThe Netherlands Neuroscience and Ophthalmology Institute of Inflammation and AgeingUniversity of BirminghamEdgbastonBirminghamUK Centre for Trauma Sciences Research University of BirminghamEdgbastonBirminghamUK MHeNs-School for Mental Health and Neuroscience Maastricht UniversityMaastrichtThe Netherlands Department of Neurology Maastricht University Medical CenterMaastrichtThe Netherlands

As the population ages,the burden of age-related diseases becomes ***,over 55 million people suffer from dementia worldwide,with Alzheimer’s disease being the most common ***,it is becoming clearer that underlying vascular pathology such as cerebral small vessel disease(cSVD)may be a more detrimental cause for dementia(Cuadrado-Godia et al.,2018).It is estimated that 10%-30%of the elderly population and 35%-90%of all dementia patients exhibit signs of *** term cSVD refers to pathology affecting the small vessels of the brain,which can lead to lacunar cerebral infarcts,enlarged perivascular spaces,and cortical hemorrhages(Cuadrado-Godia et al.,2018).CSVD is often associated with cognitive decline,gait problems,and dementia(Cuadrado-Godia et al.,2018).

关键词： pathology becoming white

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Complement-dependent neuroinflammation in spinal cord injury:from pathology to therapeutic implications

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Neural Regeneration Research 2025年第5期20卷 1324-1335页

作者： Hassan Saad Bachar El Baba Ali Tfaily Firas Kobeissy Juanmarco Gutierrez Gonzalez daniel Refai Gerald R.Rodts Christian Mustroph David Gimbel Jonathan Grossberg daniel L.Barrow Matthew F.Gary Ali M.Alawieh Department of Neurosurgery Emory University School of MedicineAtlantaGAUSA Department of Neurology Yale UniversityNew HavenCTUSA Center for Neurotrauma Multiomics&Biomarkers(CNMB)Morehouse School of MedicineAtlantaGAUSA

Spinal cord injury remains a major cause of disability in young adults,and beyond acute decompression and rehabilitation,there are no pharmacological treatments to limit the progression of injury and optimize recovery in this *** the thorough investigation of the complement system in triggering and propagating cerebral neuroinflammation,a similar role for complement in spinal neuroinflammation is a focus of ongoing *** this work,we survey the current literature investigating the role of complement in spinal cord injury including the sources of complement proteins,triggers of complement activation,and role of effector functions in the *** study relevant data demonstrating the different triggers of complement activation after spinal cord injury including direct binding to cellular debris,and or activation via antibody binding to damage-associated molecular *** effector functions of complement have been implicated in spinal cord injury,and we critically evaluate recent studies on the dual role of complement anaphylatoxins in spinal cord injury while emphasizing the lack of pathophysiological understanding of the role of opsonins in spinal cord *** this pathophysiological review,we systematically review the different translational approaches used in preclinical models of spinal cord injury and discuss the challenges for future translation into human *** review emphasizes the need for future studies to dissect the roles of different complement pathways in the pathology of spinal cord injury,to evaluate the phases of involvement of opsonins and anaphylatoxins,and to study the role of complement in white matter degeneration and regeneration using translational strategies to supplement genetic models.

关键词： complement neuroinflammation neuroplasticity regeneration spinal cord injury targeted therapy

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Regulator of G protein signaling 6 mediates exercise-induced recovery of hippocampal neurogenesis,learning,and memory in a mouse model of Alzheimer’s disease

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Neural Regeneration Research 2025年第10期20卷 2969-2981页

作者： Mackenzie M.Spicer Jianqi Yang daniel Fu Alison N.DeVore Marisol Lauffer Nilufer S.Atasoy Deniz Atasoy Rory A.Fisher Department of Neuroscience and Pharmacology University of Iowa Carver College of MedicineIowa CityIAUSA Iowa Neuroscience Institute University of Iowa Carver College of MedicineIowa CityIAUSA Interdisciplinary Graduate Program in Molecular Medicine University of Iowa Carver College of MedicineIowa CityIAUSA Neural Circuits and Behavior Core University of Iowa Carver College of MedicineIowa CityIAUSA

Hippocampal neuronal loss causes cognitive dysfunction in Alzheimer’s *** hippocampal neurogenesis is reduced in patients with Alzheimer’s *** stimulates adult hippocampal neurogenesis in rodents and improves memory and slows cognitive decline in patients with Alzheimer’s ***,the molecular pathways for exercise-induced adult hippocampal neurogenesis and improved cognition in Alzheimer’s disease are poorly ***,regulator of G protein signaling 6(RGS6)was identified as the mediator of voluntary running-induced adult hippocampal neurogenesis in ***,we generated novel RGS6fl/fl;APP_(SWE) mice and used retroviral approaches to examine the impact of RGS6 deletion from dentate gyrus neuronal progenitor cells on voluntary running-induced adult hippocampal neurogenesis and cognition in an amyloid-based Alzheimer’s disease mouse *** found that voluntary running in APP_(SWE) mice restored their hippocampal cognitive impairments to that of control *** cognitive rescue was abolished by RGS6 deletion in dentate gyrus neuronal progenitor cells,which also abolished running-mediated increases in adult hippocampal *** hippocampal neurogenesis was reduced in sedentary APP_(SWE) mice versus control mice,with basal adult hippocampal neurogenesis reduced by RGS6 deletion in dentate gyrus neural precursor ***6 was expressed in neurons within the dentate gyrus of patients with Alzheimer’s disease with significant loss of these RGS6-expressing ***,RGS6 mediated voluntary running-induced rescue of impaired cognition and adult hippocampal neurogenesis in APP_(SWE) mice,identifying RGS6 in dentate gyrus neural precursor cells as a possible therapeutic target in Alzheimer’s disease.

关键词： adult hippocampal neurogenesis Alzheimer’s disease dentate gyrus exercise learning/memory neural precursor cells regulator of G protein signaling 6(RGS6)

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Gastric polyps are not created equal: Know your enemy

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World Journal of Gastroenterology 2025年第2期31卷 144-146页

作者： Fady daniel Department of Gastroenterology and Hepatology American University of Beirut Medical CenterBeirut 11072020Lebanon

Gastric polyps are commonly detected during upper gastrointestinal *** are most often benign and rarely become ***,adequate knowledge,diagnostic modalities,and management strategies should be the endoscopist’s readily available“weapons”to defeat the potentially malignant“enemies”.This article sheds light on the valuable effort by Costa et al to generate a new classification system of gastric polyps as“good”,“bad”,and“ugly”.This comprehensive overview provides clinicians with a simplified decision-making process.

关键词： Gastric polyps Polypoid subepithelial lesions Early gastric cancer Endoscopic ultrasonography Electronic chromoendoscopy

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Kernel-Based State-Space Kriging for Predictive Control

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IEEE/CAA Journal of Automatica Sinica 2023年第5期10卷 1263-1275页

作者： A.daniel Carnerero daniel R.Ramirez daniel Limon Teodoro Alamo the Department of System Engineering and Automation University of SevilleSevilla 41020Spain the School of Engineering Tokyo Institute of TechnologyTokyo 152-8552Japan Department of System Engineering and Automation University of SevilleSevilla 41020Spain

In this paper, we extend the state-space kriging(SSK) modeling technique presented in a previous work by the authors in order to consider non-autonomous systems. SSK is a data-driven method that computes predictions as linear combinations of past outputs. To model the nonlinear dynamics of the system, we propose the kernel-based state-space kriging(K-SSK), a new version of the SSK where kernel functions are used instead of resorting to considerations about the locality of the data. Also, a Kalman filter can be used to improve the predictions at each time step in the case of noisy measurements. A constrained tracking nonlinear model predictive control(NMPC) scheme using the black-box input-output model obtained by means of the K-SSK prediction method is proposed. Finally, a simulation example and a real experiment are provided in order to assess the performance of the proposed controller.

关键词： Data-driven methods model identification Kernel methods predictive control

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Relationship between HER-2 overexpression and brain metastasis in esophageal cancer patients

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World Journal of Gastrointestinal Oncology 2012年第5期4卷 103-108页

作者： Taher Abu Hejleh Barry R DeYoung Eric engelman Jeremy M Deutsch Bridget Zimmerman Thorvardur R Halfdanarson daniel J Berg Kalpaj R Parekh William R Lynch Mark D Iannettoni Sudershan Bhatia Gerald Clamon Division of Hematology Oncology and Marrow TransplantationDepartment of Internal MedicineUniversity of Iowa Hospitals and Clinics200 Hawkins DriveC32 GHIowa CityIA 52242-1081United States Department of Pathology University of Iowa Hospitals and Clinics200 Hawkins Drive5238C RCPIowa CityIA 52242-1081United States Department of Biostatistics College of Public HealthUniversity of Iowa200 Hawkins DriveN377 CPHBIowa CityIA 52242-1081United States Department of Cardiothoracic Surgery University of Iowa Hospitals and Clinics200 Hawkins DriveSE514 GHIowa CityIA 52242-1081United States Department of Radiation Oncology University of Iowa Hospitals and Clinics200 Hawkins Drive1624 PFPIowa CityIA 52242-1081United States

AIM:To study if HER-2 overexpression by locally advanced esophageal cancers increase the chance of brain metastasis following ***:We retrospectively reviewed the medical records of esophageal cancer patients who underwent esophagectomy at University of Iowa Hospitals and Clinics between 2000 and *** analyzed consisted of demographic and clinical *** brain metastasis tissue was assayed for HER-2 overexpression utilizing the FDA approved DAKO Hercept Test.RESULTS:One hundred and forty two patients were *** age was 64 years(36-86 years).Eighty eight patients(62%) received neoadjuvant *** complete and partial responses were achieved in 17(19%) and 71(81%) *** relapsed in 43/142(30%) *** brain was the first site of relapse in 9/43 patients(21%,95% CI:10%-36%).HER-2 immunohistochemistry testing of the brain metastasis tissue showed that 5/9(56%) cases overexpressed HER-2(3+ staining).CONCLUSION:HER-2 overexpression might be associated with increased risk of brain metastasis in esophageal cancer patients following *** studies will be required to validate this observation.

关键词： Esophageal neoplasm Esophageal cancer HER-2 Genes,erbB-2 Brain Neoplasms Brain metastasis

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