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From liver to hormones:The endocrine consequences of cirrhosis

World Journal of Gastroenterology 2024年第9期30卷 1073-1095页

作者： Juan Eduardo Quiroz-Aldave Elman Rolando Gamarra-Osorio María del Carmen Durand-Vásquez Luciana del Pilar Rafael-Robles Jhean Gabriel Gonzáles-Yovera María Alejandra Quispe-Flores Luis Alberto Concepción-Urteaga alejandro Román-González José Paz-Ibarra Marcio José Concepción-Zavaleta Non-communicable Diseases Endocrinology Research LineHospital de Apoyo ChepénChepén 13871Peru Department of Endocrinology Hospital Víctor Lazarte EchegarayTrujillo 13006Peru Department of Endocrinology Clínica Javier PradoLima 15046Peru Department of Gastroenterology Hospital Nacional Guillermo Almenara IrigoyénLima 15018Peru Department of Endocrinology Hospital de Emergencias GrauLima 15001Peru Internal Medicine Hospital Regional Docente de TrujilloTrujillo 13011Peru Department of Endocrinology Hospital Universitario de San Vicente FundaciónMedellin 050010Colombia Internal Medicine Universidad de AntioquiaMedellín 050010Colombia School of Medicine Universidad Nacional Mayor de San MarcosLima 15081Peru Department of Endocrinology Hospital Nacional Edgardo Rebagliati MartinsLima 15072Peru Carrera de Medicina Humana Universidad Científica del SurLima 15067Peru

Hepatocrinology explores the intricate relationship between liver function and the endocrine *** liver diseases such as liver cirrhosis can cause endocrine disorders due to toxin accumulation and protein synthesis *** its importance,assessing endocrine issues in cirrhotic patients is frequently *** article provides a comprehensive review of the epidemiology,pathophysiology,diagnosis,and treatment of endocrine disturbances in liver *** review was conducted using the PubMed/Medline,EMBASE,and Scielo databases,encompassing 172 *** cirrhosis is associated with endocrine disturbances,including diabetes,hypoglycemia,sarcopenia,thyroid dysfunction,hypogonadotropic hypogonadism,bone disease,adrenal insufficiency,growth hormone dysfunction,and secondary *** optimal tools for diagnosing diabetes and detecting hypoglycemia are the oral glucose tolerance test and continuous glucose monitoring system,*** can be assessed through imaging and functional tests,while other endocrine disorders are evaluated using hormonal assays and imaging *** options include metformin,glucagon-like peptide-1 analogs,sodium-glucose co-transporter-2 inhibitors,and insulin,which are effective and safe for diabetes *** standards are followed for managing hypoglycemia,and hormone replacement therapy is often necessary for other endocrine *** transplantation can address some of these problems.

关键词： Diabetes mellitus Hypoglycemia Thyroid diseases Hypogonadism Metabolic bone diseases Liver cirrhosis

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A Systematic Review of Cannabidiol Effects in Coronary Syndromes: Challenges to Clinical Translation

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Journal of Biosciences and Medicines 2024年第4期12卷 246-263页

作者： Mario E. Zuñiga-Ayala Alejandra Meaney-Martínez alejandro Alcocer-Chauvet Vidal Gonzalez-Coronado Nestor Rubio-Infante Gerardo Garcia-Rivas Department of Cardiology Instituto de Seguridad Social and Trabajadores del Estado (ISSSTE) Hospital Regional Primero de Octubre Mexico City Mexico Department of Interventional Cardiology Instituto de Seguridad Social y Trabajadores del Estado (ISSSTE) Hospital Regional Primero de Octubre Mexico City Mexico Instituto Tecnó logico de Monerrey Escuela de Medicina and Ciencias de la Salud C&#225tedra de Cardiolog&#237a and Medicina Vascular Monterrey Mexico

Background: Myocardial ischemia in addition to other several cardiac syndromes represent a pathological proinflammatory state alongside a complex cellular microenvironment that can be modified by using cannabinoids. Cannabidiol (CBD), a non-psychoactive compound of cannabis has been recently proposed as an immudomodulatory and cardioprotective drug. Objectives: In this systematic review we sought to clarify and summarize the clinical and preclinical evidence of potential benefit of the use of CBD in coronary syndromes. Methods: We conducted a systematic search and review according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and Review of Animal Data from Experimental Studies (CAMARADES) guidelines, in the electronic database from PubMed, Web of Science and Scopus up to April 2022 using predefined search terms. Pre-specified exclusion and inclusion criteria were considered, finally 11 articles were chosen to be included for this peer review. Results: Currently there are no good-quality clinical trials with the use of CBD in acute or chronic coronary syndromes. A total of 11 preclinical studies where prescreened and 5 demonstrated reproducible positive cardiovascular outcomes on in-vivo models treated with CBD. Mechanisms of CBD cardioprotection observed: 1) reduction in oxidative stress and inflammation, 2) activation of adenosine receptors and 3) increased expression of angiotensin type 2-receptor. Experimental models included ischemia/reperfusion injury, myocardial infarction, arrhythmias, and metabolic syndrome-like conditions. Conclusion: No clinical recommendation can be issued with the current evidence, on the use of CBD in acute and chronic coronary syndromes. Based on preclinical evidence, we considered there is enough evidence to propose the development of well-designed clinical trials that include CBD in the management of coronary syndromes.

关键词： Cannabis Cannabidiol Acute Coronary Syndromes Myocardial Infarction Myocardial Ischemia and Oxidative Stress

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Fully integrated and broadband Si-rich silicon nitride wavelength converter based on Bragg scattering intermodal four-wave mixing

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Photonics Research 2024年第3期12卷 I0001-I0010页

作者： VALERIO VITALI THALÍA DOMÍNGUEZ BUCIO HAO LIU JOSÉMANUEL LUQUE GONZÁLEZ FRANCISCO JURADO-ROMERO alejandro ORTEGA-MOÑUX GLENN CHURCHILL JAMES C.GATES JAMES HILLIER NIKOLAOS KALFAGIANNIS DANIELE MELATI JENS H.SCHMID ILARIA CRISTIANI PAVEL CHEBEN J.GONZALO WANGÜEMERT-PÉREZ ÑIGO MOLINA-FERNÁNDEZ FREDERIC GARDES COSIMO LACAVA PERIKLIS PETROPOULOS Optoelectronics Research Centre University of SouthamptonSouthampton SO171BJUK Electrical Computer and Biomedical Engineering DepartmentUniversity of PaviaPavia 27100Italy Telecommunication Research Institute(TELMA) Universidad de MálagaCEI Andalucı´a TECHE.T.S.I.Telecomunicación29010 MálagaSpain School of Science and Technology Nottingham Trent UniversityNottingham NG118NSUK Department of Electrical Engineering Eindhoven University of TechnologyEindhoven 5600 MBThe Netherlands Department of Materials Science and Engineering University of IoanninaIoannina 45110Greece Centre de Nanosciences et de Nanotechnologies UniversitéParis-SaclayCNRS91120 PalaiseauFrance Advanced Electronics and Photonics Research Center National Research Council CanadaOttawaOntario K1A 0R6Canada

Intermodal four-wave mixing(FWM)processes have recently attracted significant interest for all-optical signal processing applications thanks to the possibility to control the propagation properties of waves exciting distinct spatial modes of the same *** allows,in principle,to place signals in different spectral regions and satisfy the phase matching condition over considerably larger bandwidths compared to intramodal ***,the demonstrations reported so far have shown a limited bandwidth and suffered from the lack of on-chip components designed for broadband manipulation of different *** demonstrate here a silicon-rich silicon nitride wavelength converter based on Bragg scattering intermodal FWM,which integrates mode conversion,multiplexing and de-multiplexing functionalities *** system enables wavelength conversion between pump waves and a signal located in different telecommunication bands(separated by 60 nm)with a 3 dB bandwidth exceeding 70 nm,which represents,to our knowledge,the widest bandwidth ever achieved in an intermodal FWM-based system.

关键词： scattering pump modal

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Clinical profile and outcomes in very elderly patients with atrial fibrillation anticoagulated with rivaroxaban: data from the EMIR study

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Journal of Geriatric Cardiology 2024年第7期21卷 723-732页

作者： Francisco Marín Manuel Anguita Sánchez Iñaki Lekuona Marcelo Sanmartín Fernán-dez Vivencio Barrios Carlos Perez Muñoz Juan Cosín-Sales alejandro IPérez Cabeza Vanesa Roldán Schilling Carles Rafols Priu Esteban Orenes-Piñero María Asunción Es-teve-Pastor Department of Cardiology Hospital Clínico Universitario Virgen de la ArrixacaIMIB-ArrixacaUniversity of MurciaCIBERCVMurciaSpain Department of Cardiology Hospital Reina Sofía CórdobaIMIBICUniversity of CordobaCIBERCVCórdobaSpain Hospital Galdakao-Usansolo BizkaiaSpain Department of Cardiology Hospital Uni-versitario Ramony CajalCIBERCVMadridSpain Department of Cardiology University Hospital Ramóny CajalAl-caláUniversityMadridSpain Medical Center La Capillita Sanlúcar de Barrameda.Private cardiology clinicJerez de la FronteraSpain Department of Cardiology Hospital Arnau de VilanovaValenciaSpain Department of Car-diology Virgen de la Victoria University HospitalCIBERCV.MalagaSpain Department of Haematology Hospital Clínico Universitario Virgen de la ArrixacaUniversity of MurciaMurciaSpain Department of Medical Affairs Bayer HispaniaBarcelonaSpain Department of Biochemistry and Molecular Biology-A University of MurciaMurciaSpain

Objectives To analyze the clinical profile,adequacy of treatment with rivaroxaban and outcomes in octogenarians with atrial(AF),taking rivaroxaban in clinical *** Out of 1433 patients,453(31.6%)were octogenarians at *** to younger patients,octogenarians had more comorbidities,higher CHA2DS2-VASc(4.5±1.3vs.3.0±1.4;P<0.001)and HAS-BLED scores(2.0±1.0vs.1.4±1.0;P<0.001).Overall,the dose of rivaroxaban was adequately prescribed in 83.4%of patients,but more frequently in the younger population(71.1%vs.89.1%;P=0.039).After a mean follow-up of 2.2±0.6 years,annual rates of stroke+systemic embolism+transient ische-mic attack,MACE,cardiovascular death and major bleeding were 1.03%,1.24%,1.03%and 1.75%,respectively,in octogenarian *** for progressive heart failure death and major bleeding,rates of outcomes in octogenarians were similar com-pared to younger *** octogenarians,the concomitant use of antiplatelet agents and non-severe dementia were independ-ently associated with the development of ischemic stroke,whereas previous coronary revascularization and heart failure with and higher HAS-BLED score with major ***,Conclusions In clinical practice,around one third of patients taking rivaroxaban are *** patients have many comorbidities and a high thromboembolic *** that,rates of adverse events remain *** is adequately pre-scribed in the majority of octogenarians.

关键词： patients atrial bleeding

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Industrialization,Efficiency and Social Housing:Sustainable Prefabrication for the Colombian Social and Cultural Context

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Journal of Civil Engineering and Architecture 2024年第2期18卷 92-99页

作者： alejandro Restrepo Montoya Faculty of Architecture Technische Universität München TUMMunich 80333Germany

This research aims to generate processes of industrialization and qualification of social housing in Colombia through prefabrication,low energy consumption and high environmental quality to reduce the current deficit and improve the quality of life in communities with fewer economic *** coordination and the use of materials with thermal behaviors,appropriate to the country’s climatic characteristics,reduce production costs,avoid waste and improve the architectural and environmental quality of social *** cooling strategies,such as controlling solar incursion and generating natural cross ventilation eliminate energy consumption and allow reaching desired standards of *** a context in which traditional construction systems have still not resolved the social housing deficit in Colombia and which generate high costs for energy consumption in the search for thermal comfort,industrialized and efficient construction with high environmental quality provides solutions according to the economic,geographic,social and cultural context in Colombia.

关键词： Efficiency industrialization social housing sustainability low energy consumption

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Feeding Calcium Salts of Linseed Oil on Metabolic Status and Reproductive Traits in Grazing Dairy Cows

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Open Journal of Animal Sciences 2024年第3期14卷 219-233页

作者： Jesica Daniela Iorio Yaliska Moreno González Maria Florencia Olmeda Dino Curletto Daniel Edgardo Scandolo Martin Guillermo Maciel Rafael alejandro Palladino Mauricio Javier Giuliodori Eloy Eduardo Salado School of Agriculture of the University of Buenos Aires (FAUBA) Buenos Aires Argentina Faculty of Agricultural Sciences National University of Lomas de Zamora (UNLZ) Lomas de Zamora Argentina Rafaela Agricultural Experiment Station National Institute of Agricultural Technology (INTA) Rafaela Argentina Faculty of Veterinary Science La Plata National University (FCV) La Plata Argentina

This experiment aimed to evaluate the effect of calcium salts of linseed oil (rich in alpha-linolenic acid (ALA, C18:3n-3) on metabolic and reproductive traits in high-producing dairy cows under grazing. Thirty-six Holstein dairy cows were randomly assigned, in a complete block design, to receive ALA supplementation (0.85 kg∙day−1 of calcium salts of linseed oil) or to remain as untreated control (CON). The concentrate was formulated to offer the same amount of energy across treatments (CON cows received an extra kg of corn to compensate for the higher energy density of ALA treatment). A PMR + Alfalfa pasture was offered to all cows at the same time. A fixed time artiﬁcial insemination (FTAI) at 80 DIM, preceded by a Presynch plus Ovsynch protocol was implemented for the first service and later, on return to estrus, heat detection and artiﬁcial insemination (AI) were performed. Pregnancy diagnosis was checked at 30, 42, 60, and 90 d after AI. Blood and milk samples were taken biweekly. Treatment affected plasma cholesterol concentration (160.36 vs. 186.70 mg∙dl−1, p = 0.03, for ALA and CON, respectively) and on size of corpus luteum (CL, 17.6 vs. 13.7 mm, p = 0.02, for ALA and CON, respectively). Supplementation tended (p = 0.136) to increase conception rate by 200 DIM (81.69% vs. 55.43% in ALA and CON cows, respectively). However, treatment had no effect (p > 0.05) on body weight (BW), body condition score (BCS), and circulating levels of beta-hydroxybutyrate (BHBA), glucose, insulin, growth hormone (GH) and insulin-like growth factor (IGF-I). Our results suggest that supplementation with calcium salts of linseed oil could enhance ovarian function without affecting energy metabolism in early lactation dairy cows.

关键词： α-Linolenic Acid Supplementation Reproduction Grazing Dairy Cows

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Dietary carbohydrate-to-protein ratio influences growth performance,hepatic health and dynamic of gut microbiota in atlantic salmon(Salmo salar)

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Animal Nutrition 2022年第3期10卷 261-279页

作者： alejandro Villasante Carolina Ramírez Hector Rodríguez Patricio Dantagnan Adrian hernandez Elías Figueroa Jaime Romero Facultad de Medicina Veterinaria y Agronomía Universidad de Las AmericasSantiagoChile Laboratorio de Biotecnología de Alimentos Unidad de AlimentosInstituto de Nutricion y Tecnología de Los Alimentos(INTA)Universidad de ChileSantiagoChile Programa de Anatomía y Biología Del Desarrollo Facultad de MedicinaUniversidad de ChileSantiagoChile Núcleo de Investigacion en Produccion Alimentaria Facultad de Recursos NaturalesUniversidad Catolica de TemucoTemucoChile

Atlantic salmon(Salmo salar)fed a carbohydrate-rich diet exhibit suboptimal growth performance,along with other metabolic *** is well known that gut microbes play a pivotal role in influencing metabolism of the host,and these microbes can be modified by the *** main goal of the present study was to determine the effect of feeding graded levels of digestible carbohydrates to Atlantic salmon on the distal intestine digesta microbiota at 3 sampling times(i.e.,weeks 4,8 and 12),during a 12-week trial.A low carbohydrate-to-high protein diet(LC/HP,0%wheat starch),a medium carbohydrate-tomedium protein diet(MC/MP,15%wheat starch)or a high carbohydrate-to-low protein diet(HC/LP,30%wheat starch)was fed to triplicate fish tanks(27 to 28 fish per tank).We performed an in-depth characterization of the distal intestine digesta ***,growth parameters,liver histology and the expression of genes involved in hepatic neolipogenesis in fish were *** fed a HC/LP diet showed greater hepatosomatic and viscerosomatic indexes(P=0.026 and P=0.018,respectively),lower final weight(P=0.005),weight gain(P=0.003),feed efficiency(P=0.033)and growth rate(P=0.003)compared with fish fed the LC/HP ***,feeding salmon a high digestible carbohydrate diet caused greater lipid vacuolization,steatosis index(P=0.007)and expression of fatty acid synthase(fas)and delta-6 fatty acyl desaturase(d6fad)(P=0.001 and P=0.001,respectively)in the liver compared with fish fed the LC/HP ***,the major impact of feeding a carbohydrate-rich diet to Atlantic salmon in beta diversity of distal intestine digesta microbiota was observed at week 4(HC/LP vs MC/MP and HC/LP vs LC/HP;P=0.007 and P=0.008,respectively)and week 8(HC/LP vs MC/MP;P=0.04),no differences between experimental groups were detected after 12 weeks of ***,at the end of the trial,there was a negative correlation between lactic acid bacteria(LAB)members,including Leuconostoc and Lactobacil

关键词： Microbiota Microbiome Atlantic salmon Steatosis Lactic acid bacteria Probiotics

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Fulminant Hepatitis Associated with Chronic Consumption of 3,4-Methylenedioxy-Methamphetamine;Case Report

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Open Journal of Gastroenterology 2024年第5期14卷 161-166页

作者： Ulises Solis Gomez Gustavo Adolfo Hernández Valdez Juan Antonio Contreras Escamilla Ivan alejandro Medina Jimenez Jorge Morales Rojas Jocelyn Nataly Quintero Melendez Marco Antonio González Villar Department of Internal Medicine ISSSTE APP General Hospital of Tepic Tepic Nayarit Mexico

The amphetamine derivative 3,4-methylenedioxymethamphetamine (MDMA), also called ecstasy, is a neurotoxin widely consumed among young people that has increased in recent years because it is a recreational drug, of which immediate effects are known such as a greater sensation of well-being, extroversion, increased sensory perception. However, its long-term effects have been described very little in the medical literature, including damage to the heart, central nervous system, kidney, etc. One of its little-known effects is hepatotoxicity, of which few cases are known associated with fulminant hepatitis, which is a rapidly deteriorating condition that is generally associated with a syndrome of multiple organ dysfunction and death. Therefore, it is very important to know this type of damage in the short and long term. The following case is of a 39-year-old man who came to our service due to jaundice syndrome and the only history of MDMA consumption, who as the days went by met the criteria for fulminant liver failure, with damage to multiple organs (organ dysfunction syndrome).

关键词： Fulminant Hepatitis Acute Liver Failure Methamphetamine Severe Acute Liver Failure in a User of Drugs of Abuse Hepatology

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Long-term monitoring reveals the effect of precipitation and silviculture on Nothofagus regeneration in Northern Patagonia mixed forests

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Ecological Processes 2024年第2期 103-117页

作者： Georgina Sola Camila Mateo alejandro Dezzotti Paula Marchelli Hernán Attis Beltrán Renato Sbrancia Luis Chauchard Marcelo González Pe?alba Martín Lara Verónica El Mujtar Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) Asentamiento Universitario San Martín de los Andes (AUSMA-UNCo) Instituto de Investigaciones Forestales y Agropecuarias Bariloche (IFAB) Instituto Nacional de Tecnología Agropecuaria (INTA) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) Departamento de Conservación y Manejo Parque Nacional Lanín- Administración de Parques Nacionales (PNL-APN)

Background Tree regeneration is a key component of resilience because it promotes post-disturbance recovery of forests. Northwestern Patagonia from Argentina is occupied by Nothofagus alpina（Na）, N. obliqua（No）, and N. dombeyi（Nd） forests that grow along an intense precipitation gradient, managed throughout shelterwood silvicultural system by technicians of the Lanin Natural Reserve. The objective of this study was to evaluate the influence of seeding cuttings over the dynamics of Nothofagus mixed forests across landscape（precipitation gradient） based mainly on the composition and abundance of tree regeneration, permanent sampling plots and generalized linear mixed models. In particular, we analysed:（i） the structure of sexual and asexual regeneration during 20 years after harvest（the dynamics of managed forests）, and（ii） the structure of sexual regeneration in primary and managed forests after > 20 years of harvest（the effect of silviculture）.Results Nd was the most abundant species in the regeneration of managed forests during all periods in both sites despite its lower contribution to the adult cohort. During the 10–20 years period after harvest, the humid site exhibited higher regeneration density than the mesic site(120,000 and 6000 ind ha-1, respectively), and it decreased afterwards. The number of established regeneration（> 2 m height） was lower for Na in the mesic site and for No in the humid site(0 and 57 ind ha-1, respectively). However, in comparison to No, Na showed a higher number of sprouted stumps and sprouts per stump, and a higher sprout height in the mesic site. No exhibited higher sprout mortality in the humid site. Finally, the regeneration of primary forests showed lower density and height, and a more balanced composition than that of managed *** The silvicultural effects on the mixed forest regeneration dynamics was strongly influenced by the condition of sites. Therefore, management prescriptions should be adj

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Liposome based drug delivery as a potential treatment option for Alzheimer’s disease

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Neural Regeneration Research 2022年第6期17卷 1190-1198页

作者： Carely hernandez Surabhi Shukla Department of Pharmaceutical Sciences College of PharmacyLarkin UniversityMiamiFLUSA

Alzheimer’s disease is a neurodegenerative condition leading to atrophy of the brain and robbing nearly 5.8 million individuals in the United States age 65 and older of their cognitive ***’s disease is associated with dementia and a progressive decline in memory,thinking,and social skills,eventually leading to a point that the individual can no longer perform daily activities *** available drugs on the market temporarily alleviate the symptoms,however,they are not successful in slowing down the progression of Alzheimer’s *** and cures have been constricted due to the difficulty of drug delivery to the blood-brain *** studies have led to identification of vesicles to transport the necessary drugs through the blood-brain barrier that would typically not achieve the targeted area through systemic delivered ***,liposomes have emerged as a viable drug delivery agent to transport drugs that are not able to cross the blood-brain *** are being used as a component of nanoparticle drug delivery;due to their biocompatible nature;and possessing the capability to carry both lipophilic and hydrophilic therapeutic agents across the blood brain barrier into the brain *** indicate the importance of liposomal based drug delivery in treatment of neurodegenerative *** idea is to encapsulate the drugs inside the properly engineered liposome to generate a response of *** are engineered to target specific diseased moieties and also several surface modifications of liposomes are under research to create a clinical path to the management of Alzheimer’s *** review deals with Alzheimer’s disease and emphasize on challenges associated with drug delivery to the brain,and how liposomal drug delivery can play an important role as a drug delivery method for the treatment of Alzheimer’s *** review also sheds some light on variation of ***

关键词： Alzheimer’s disease beta-amyloid blood-brain barrier brain delivery drug delivery systems encapsulated drugs liposomes nanoparticles neurodegenerative diseases PEGylation targeted delivery tau

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