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Polyphenols as potential enhancers of stem cell therapy against neurodegeneration

Neural Regeneration Research 2022年第10期17卷 2093-2101页

作者： Diana Rodríguez-Vera Antonio Abad-García Nancy Vargas-Mendoza Rodolfo Pinto-Almazán Eunice D.Farfán-García josé a.morales-gonzález Marvin A.Soriano-Ursúa Sección de Estudios de Posgrado e Investigación.Escuela Superior de Medicina Instituto Politécnico NacionalMéxico CityMéxico Unidad de Investigación Hospital Regional de Alta Especialidad IxtapalucaCarretera Federal México-Puebla km 34.5State of MéxicoMéxico

The potential of polyphenols for treating chronic-degenerative diseases(particularly neurodegenerative diseases)is ***,the selection of the best polyphenol for each treatment,the mechanisms by which they act,and their efficacy are frequently *** this review,the basics and the advances in the field,as well as suggestions for using natural and synthetic polyphenols alone or in a combinatorial strategy with stem cell assays,are compiled and ***,stem cells exhibit several responses when polyphenols are added to their environment,which could provide us with knowledge for advancing the elucidation of the origin of *** also,polyphenols are being included in the innovative strategies of novel therapies for treating neurodegenerative diseases as well as metabolic diseases related to *** this regard,flavonoid compounds are suggested as the best natural polyphenols due to their several mechanisms for acting in ameliorative effects;but increasing reports are involving other *** if some facts limiting bioactivity prevent them from conventional use,some natural polyphenols and derivatives hold the promise for being improved compounds,judged by their induced *** current results suggest polyphenols as enhancers of stem cell therapy against the targeted diseases.

关键词： Alzheimer’s disease chronic degenerative diseases combinatorial therapy metabolism neurodegenerative diseases neuronal damage neuroprotection Parkinson’s disease polyphenols stem cell assays

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Extremely thin but very robust:Surprising cryptogam trait combinations at the end of the leaf economics spectrum

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Plant Diversity 2024年第5期46卷 621-629页

作者： Tana Wuyun Lu Zhang Tiina Tosens Bin Liu Kristiina Mark joséÁngel morales-Sanchez Jesamine Jöneva Rikisahedew Vivian Kuusk Ülo Niinemets Institute of Agricultural and Environmental Sciences Estonian University of Life SciencesKreutzwaldi 1Tartu 51014Estonia College of Landscape and Architecture Zhejiang A&F University666 Wusu StreetHangzhou 311300China Estonian Academy of Sciences Kohtu 6Tallinn 10130Estonia

Leaf economics spectrum(LES)describes the fundamental trade-offs between leaf structural,chemical,and physiological ***,structurally robust thick leaves with high leaf dry mass per unit area(LMA)exhibit lower photosynthetic capacity per dry mass(Amass).Paradoxically,“soft and thinleaved”mosses and spikemosses have very low Amass,but due to minute-size foliage elements,their LMA and its components,leaf thickness(LT)and density(LD),have not been systematically ***,we characterized LES and associated traits in cryptogams in unprecedented details,covering five evolutionarily different *** found that mosses and spikemosses had the lowest LMA and LT values ever measured for terrestrial *** a broad range of species from different lineages,Amass and LD were negatively *** contrast,Amass was only related to LMA when LMA was greater than 14 g cm^(-2).In fact,low Amass reflected high LD and cell wall thickness in the studied *** conclude that evolutionarily old plant lineages attained poorly differentiated,ultrathin mesophyll by increasing *** plant lineages,LD,not LMA,is the trait that represents the trade-off between leaf robustness and physiology in the LES.

关键词： Investment strategy Leaf density Leaf structural traits LMA estimation bias Non-seed plants Trait trade-offs

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Hydrogeochemical and isotopic assessment of the origin of NO_(3)^(−)and N-NH_(3)contents in the aquifer located in a closed lacustrine volcano-sedimentary basin in the metropolitan area of Mexico City

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Acta Geochimica 2024年第4期43卷 719-736页

作者： jose Ivan morales-Arredondo Maria Aurora Armienta Hernandez Joel Edmundo Ortega-Gutierrez Elisa Cuellar Ramirez Natural Resources Department Institute of GeophysicsNational Autonomous University of MexicoCiudad Universitaria No.3000Col.Copilco UniversidadCoyoacán Delegation04360 MexicoCDMXMexico Instituto Politecnico Nacional ***án 55La Laguna Ticoman07340 MexicoCDMXMexico Benemérita Universidad Autónoma de Puebla Ciudad Universitaria Col.San ManuelPueblaPueMexico

To explain the presence and spatial distribution of NO_(3)^(−)and N-NH_(3)in the Aquifer of the Metropolitan Area of Mexico City(AMAMC),a hydrogeochemical and isotopic analysis using^(13)C DIC(as well as the stable isotopes^(18)O and^(2)H)in groundwater was *** aquifer is located in an old closed lacustrine volcano-sedimentary basin;some wells hosted in the semi-confined zone contain high N-NH_(3)concentrations,while others present NO_(3)^(−)contents in the recharge zones(hosted in an oxidizing environment).In this study,a change in the isotopic signature(primarily in^(18)O and^(2)H)was observed from the recharge zones to the basin center in some of the wells with high NO_(3)^(−)concentrations,this behavior can be attributed to evaporation during the incorporation of recently infiltrated *** addition,the results for^(13)C(along with ^(2) H)in wells with the highest N-NH_(3)concentrations exhibited an atypically broad range of *** indicated the occurrence of hydrogeochemical and/or biochemical processes in the aquifer(in an oxidizing or reducing environment),such as organic degradation,bacterial decomposition(primarily in the ancient Lake Texcoco and which acts as a natural sink for carbon,nitrogen,sulfur,and phosphorus),besides rock weathering and dissolution,which may be responsible for a very marked isotopic modification of the^(13)C(and,to a lesser extent,2 H).Methanotrophic bacterial activity and methanogenic activity may be related to N-NH_(3)removal processes by oxidation and residual water incorporation respectively,whereas the increase in the NO_(3)^(−)content in some wells is due to the recent contribution of poor-quality water due to contamination.

关键词： 18 O and^(13)C isotopes Iron Hydrogeochemical processes Nitrate Nitrogen species

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Interindividual Age-Independent Differences in Human CX43 Impact Ventricular Arrhythmic Risk

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Research 2024年第3期6卷 417-432页

作者： Laura García-Mendívil María Pérez-Zabalza Antoni Oliver-Gelabert joséMaría Vallejo-Gil Javier Fañanás-Mastral Manuel Vázquez-Sancho Javier AndréBellido-morales Alexánder Sebastián Vaca-Núñez Carlos Ballester-Cuenca Emiliano Diez Laura Ordovás Esther Pueyo Biomedical Signal Interpretation and Computational Simulation group(BSICoS) Aragón Institute of Engineering ResearchUniversity of ZaragozaZaragoza 50018Spain BSICoS Instituto de Investigación Sanitaria Aragón(IISA)Zaragoza 50018Spain Centro Universitario de la Defensa(CUD) Zaragoza 50090Spain. Department of Cardiovascular Surgery University Hospital Miguel ServetZaragoza 50009Spain. Institute of Experimental Medicine and Biology of Cuyo(IMBECU) CONICETMendoza 5500Argentina. Fundación Agencia Aragonesa para la Investigación y el Desarrollo(ARAID) Zaragoza 50018Spain. Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine(CIBER-BBN)Zaragoza 50018Spain.

Connexin 43 (CX43) is one of the major components of gap junctions, the structures responsible for the intercellular communication and transmission of the electrical impulse in the left ventricle. There is limited information on the histological changes of CX43 with age and their effect on electrophysiology, especially in humans. Here, we analyzed left ventricular biopsies from living donors starting at midlife to characterize age-related CX43 remodeling. We assessed its quantity, degree of lateralization, and spatial heterogeneity together with fibrotic deposition. We observed no significant age-related remodeling of CX43. Only spatial heterogeneity increased slightly with age, and this increase was better explained by biological age than by chronological age. Importantly, we found that CX43 features varied considerably among individuals in our population with no relevant relationship to age or fibrosis content, in contrast to animal species. We used our experimental results to feed computational models of human ventricular electrophysiology and to assess the effects of interindividual differences in specific features of CX43 and fibrosis on conduction velocity, action potential duration, and arrhythmogenicity. We found that larger amounts of fibrosis were associated with the highest arrhythmic risk, with this risk being increased when fibrosis deposition was combined with a reduction in CX43 amount and/or with an increase in CX43 spatial heterogeneity. These mechanisms underlying high arrhythmic risk in some individuals were not associated with age in our study population. In conclusion, our data rule out CX43 remodeling as an age-related arrhythmic substrate in the population beyond midlife, but highlight its potential as a proarrhythmic factor at the individual level, especially when combined with increased fibrosis.

关键词： CX43 rhythm Independent

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Review of natural products with hepatoprotective effects

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World Journal of Gastroenterology 2014年第40期20卷 14787-14804页

作者： Eduardo Madrigal-Santillán Eduardo Madrigal-Bujaidar Isela álvarez-gonzález María Teresa Sumaya-Martínez josé Gutiérrez-Salinas Mirandeli Bautista ángel morales-gonzález Manuel García-Luna y gonzález-Rubio J Leopoldo Aguilar-Faisal josé a.morales-gonzález Laboratorio Medicina de Conservación Escuela Superior de Medicina Instituto Politécnico Nacional Plan de San Luis y Díaz Mirón Col. Casco de Santo Tomás Del. Miguel Hidalgo México DF 11340 México Laboratorio de Genética Escuela Nacional de Ciencias Biológicas Instituto Politécnico Nacional Unidad profesional Adolfo López Mateos Col. Lindavista Delegación Gustavo A. Madero México DF 07738 México Secretaria de Investigación y Estudios de Posgrado Universidad Autónoma de Nayarit "Ciu-dad de la Cultura Amado Nervo" Nayarit 28000 México Laboratorio de Bioquímica y Medicina Experimental División de Investigación Biomédica Centro Médico Nacional "20 de Noviembre" ISSSTE México DF 03100 México área Académica de Farmacia Instituto de Ciencias de la Salud UAEH Pachuca Hidalgo 42000 México Escuela Superior de Cómputo Instituto Politécnico Nacional Av. Juan de Dios Bátiz s/n esquina Miguel Othón de Mendizabal Unidad Profesional Adolfo López Mateos México DF 07738 Mexico Facultad de Odontología UNAM México DF 04510 Mexico

The liver is one of the most important organs in the body,performing a fundamental role in the regulationof diverse processes,among which the metabolism,secretion,storage,and detoxification of endogenous and exogenous substances are *** to these functions,hepatic diseases continue to be among the main threats to public health,and they remain problems throughout the *** enormous advances in modern medicine,there are no completely effective drugs that stimulate hepatic function,that offer complete protection of the organ,or that help to regenerate hepatic ***,it is necessary to identify pharmaceutical alternatives for the treatment of liver diseases,with the aim of these alternatives being more effective and less *** use of some plants and the consumption of different fruits have played basic roles in human health care,and diverse scientific investigations have indicated that,in those plants and fruits so identified,their beneficial effects can be attributed to the presence of chemical compounds that are called *** present review had as its objective the collecting of data based on research conducted into some fruits(grapefruit,cranberries,and grapes)and plants[cactus pear(nopal)and cactus pear fruit,chamomile,silymarin,and spirulina],which are consumed frequently by humans and which have demonstrated hepatoprotective capacity,as well as an analysis of a resin(propolis)and some phytochemicals extracted from fruits,plants,yeasts,and algae,which have been evaluated in different models of hepatotoxicity.

关键词： Hepatoprotection Grapefruit Vaccinium spp Vitis vinifera L Opuntia ficus-indica Spirulina Propolis Glucans Alcoholic liver disease

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Liver disorders in COVID-19,nutritional approaches and the use of phytochemicals

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World Journal of Gastroenterology 2021年第34期27卷 5630-5665页

作者： Nancy Vargas-Mendoza Jazmín García-Machorro Marcelo Angeles-Valencia Marlet Martínez-Archundia Eduardo Osiris Madrigal-Santillán Ángel morales-gonzález Liliana Anguiano-Robledo joséa.morales-gonzález Laboratorio de Medicina de Conservacion Instituto Politécnico NacionalMéxico 11340Mexico Laboratorio de Diseño y Desarrollo de Nuevos Fármacos e Innovación Biotécnológica Instituto Politécnico NacionalMéxico 11340Mexico Superior de Medicina Instituto Politécnico NacionalMéxico 11340Mexico Escuela Superior de Cómputo Instituto Politécnico NacionalMéxico 07738Mexico Laboratorio de Farmacología Molecular Instituto Politécnico NacionalMéxico 11340Mexico Laboratorio Medicina de Conservación Escuela Superior de MedicinaInstituto Politécnico NacionalMéxico 11340Mexico

Coronavirus disease 2019(COVID-19),which is caused by severe acute respiratory syndrome-coronavirus-2(SARS-CoV-2),has affected millions of people *** was declared a pandemic by the World Health Organization in March *** hyperinflammatory response to the entry of SARS-CoV-2 into the host through angiotensin-converting enzyme 2 is the result of a“cytokine storm”and the high oxidative stress responsible for the associated *** only respiratory symptoms are reported,but gastrointestinal symptoms(diarrhea,vomiting,and nausea)and liver abnormalities(high levels of aspartate aminotransferase,alanine aminotransferase transaminases,and bilirubin)are observed in at least 30%of *** food intake and a delay in medical services may lead to malnutrition,which increases mortality and poor *** review provides some strategies to identify malnutrition and establishes nutritional approaches for the management of COVID-19 and liver injury,taking energy and nutrient requirements and their impact on the immune response into *** roles of certain phytochemicals in the prevention of the disease or as promising target drugs in the treatment of this disease are also considered.

关键词： COVID-19 Infection Liver Nutrition therapy Phytochemicals

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Avian-power line interactions in the Gobi Desert of Mongolia:are mitigation actions effective?

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Avian Research 2021年第3期12卷 382-390页

作者： Adrian Orihuela-Torres Juan MPérez-García Zebensui morales-Reyes Lara Naves-Alegre joséASánchez-Zapata Esther Sebastián-gonzález Área de Ecología Departamento de Biología AplicadaUniversidad Miguel Hernández de ElcheAvda.Universidad s/n03202 ElcheAlicanteSpain Departamento de Ecología Universidad de AlicanteCtra.San Vicente del Raspeig s/n03690 San Vicente del RaspeigAlicanteSpain

Background:Electrocution and collisions on power lines are among the leading causes of non-natural mortality for *** lines are exponentially increasing,particularly in developing countries,but mitigation strategies to prevent bird mortality are *** combines a recently increased power line network,an abundant raptor population,a dangerous crossarm configuration and a habitat with no natural perches,producing many bird-power line *** aim is to assess the bird mortality caused by power lines in the Gobi Desert of Mongolia,to determine the factors increasing the risk of bird electrocution,and to evaluate the effectiveness of used retrofitting ***:In July 2019 we covered 132.9 km of 15 kV power lines checking 1092 *** also conducted bird tran-sects to record raptor and corvid richness and abundance,to assess species vulnerability to ***:We recorded 76 electrocuted birds of 7 *** rate was 6.96 birds/100 *** most affected species were Common Raven(Corvus corax)and Upland Buzzard(Buteo hemilasius),highlighting the electro-cution of 5 endangered Saker Falcons(Falco cherrug).By contrast,we only recorded 8 individuals of 5 species collid-ing with wires,the most affected being Pallas’s Sandgrouse(Syrrhaptes paradoxus).About 76.1%of sampled poles had some mitigation *** these,96.6%were brush perch deflectors and 3.4%rotating-mirrors perch *** found differences in electrocution rates among crossarm configurations,with the strain insulator with one jumper being the most ***,we found no correlation between bird abundance and electrocution rates,suggesting that some species are more sensitive to *** no differences in total bird electrocu-tion rates were detected between poles with and without perch deterrents,when bird size is considered,deterrents reduced the mortality rate of small birds,while they were ineffective for medium-sized

关键词： Collision Crossarm configuration Electrocution Electric infrastructures Perch deterrent Power line network Raptor

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Morphological and biochemical effects of weekend alcohol consumption in rats: Role of concentration and gender

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World Journal of Hepatology 2018年第2期10卷 297-307页

作者： josé a.morales-gonzález María de Lourdes Sernas-morales ángel morales-gonzález Laura Ligía gonzález-López Eduardo Osiris Madrigal-Santillán Nancy Vargas-Mendoza Tomás Alejandro Fregoso-Aguilar Liliana Anguiano-Robledo Eduardo Madrigal-Bujaidar Isela álvarez-gonzález Germán Chamorro-Cevallos Laboratorio de Medicina de Conservación Escuela Superior de Medicina Instituto Politécnico Nacional Escuela Superior de Cómputo Instituto Politécnico Nacional área Académica de Nutrición ICSa Universidad Autónoma del Estado de Hidalgo Depto. de Fisiología Laboratorio de Hormonas y Conducta ENCB campus Zacatenco Instituto Politécnico Nacional Laboratorio de Farmacología Molecular Sección de Estudios de Posgrado e Investigación Escuela Superior de Medicina-Instituto Politécnico Nacional Laboratorio de Genética Escuela Nacional de Ciencias Biológicas IPN Departamento de Farmacia Escuela Nacional de Ciencias Biológicas Instituto Politécnico Nacional

AIM To examine the association between weekend alcohol consumption and the biochemical and histological alterations at two different concentrations of alcohol in both genders in *** Wistar rats weighing 170-200 g were divided into groups as follows:(1) Control groups; and(2) weekend alcohol-consumption group: 2 d/weekly per 12 wk, at two different concentrations:(1) Group of males or females with a consumption of a solution of alcohol at 40%; and(2) group of males or females with a consumption of a solution of alcohol at 5%. At the end of the experiment, serum and liver samples were obtained. The following enzymes and metabolites were determined in serum: Alanine Aminotransferase(ALT), Aspartate Aminotransferase(AST), Lactate Dehydrogenase, and Gamma-Glutamyltransferase, and glucose, triglycerides, cholesterol, bilirubin, and albumin. Liver samples from each group were employed to analyze morphological abnormalities by light *** In all of the weekend alcohol-consumption groups, AST activity presented a significant, 10-fold rise. Regarding ALT activity, the groups with weekend alcohol consumption presented a significant increase that was six times greater. Bilirubin levels increased significantly in both groups of females. We observed a significant increase in the parameters of fatty change and inflammation due to weekend alcohol consumption. Only the group of females that consumed alcohol at 40% presented slight hepatocel ular disorganization CONCLUSION The results obtained herein provide solid evidence that weekend alcohol consumption gives rise to liver damage, demonstrated by biochemical and histological alterations, first manifested acutely, and prolonged weekend alcohol consumption can cause greater, irreversible damage.

关键词： Weekend alcohol consumption Liver morphology Transaminases Damage

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Protective effect of some vitamins against the toxic action of ethanol on liver regeneration induced by partial hepatectomy in rats

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World Journal of Gastroenterology 2008年第6期14卷 899-907页

作者： Carlett Ramírez-Farías Eduardo Madrigal-Santillán josé Gutiérrez-Salinas Nidia Rodríguez-Sánchez Maricela Martínez-Cruz Ilse Valle-Jones Ingrid Gramlich-Martínez Alejandra Hernández-Ceruelos josé a.morales-gonzález Unidad de Genética de la Nutrición Instituto Nacional de Pediatría México Instituto de Ciencias de la Salud Universidad Autónoma del Estado de Hidalgo México Laboratorio de Bioquímica y Medicina Experimental Unidad de Investigación Biomédica División de Investigación Centro Médico Nacional "20 de Noviembre" ISSSTE México Gatorade Sports Science Institute Mexico City México Escuela de Dietética y Nutrición ISSSTE México University of Ryerson Toronto

AIM: To investigate the effects of vitamins (A, C and E) on liver injury induced by ethanol administration during liver regeneration in rats. METHODS: Male Wistar rats subjected to 70% partial hepatectomy were divided into five groups (groups 1-5). During the experiment, animals of Group 1 drank only water. The other four groups (2-5) drank 30 mL of ethanol/L of water. Group 3 additionally received vitamin A, those of group 4 vitamin C and those of group 5 received vitamin E. Subsequently serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), albumin and bilirubin were measured colorimetrically. Lipid peroxidation (thiobarbituric-acid reactive substances, TBARS) both in plasma and liver was measured, as well as liver mass gain assessment and total DNA. RESULTS: Compared with sham group, serum AST and ALT increased significantly under ethanol treatment (43% and 93%, respectively, with P < 0.05). Vitamin C and vitamin E treatment attenuated the ethanol-induced increases in ALT and AST activity. Ethanol treatment also decreased serum albumin concentration compared to sham group (3.1 ± 0.4 g/dL vs 4.5 ± 0.2 g/dL; P < 0.05). During liver regeneration vitamins C and E significantly ameliorated liver injury for ethanol administration in hepatic lipid peroxidation (4.92 nmol/mg and 4.25 nmol/mg vs 14.78 nmol/mg, respectively, with P < 0.05). In association with hepatic injury, ethanol administration caused a significant increase in both hepatic and plasma lipid peroxidation. Vitamins (C and E) treatment attenuated hepatic and plasma lipid peroxidation. CONCLUSION: Vitamins C and E protect against liver injury and dysfunction, attenuate lipid peroxidation, and thus appear to be significantly more effective than vitamin A against ethanol-mediated toxic effects during liver regeneration.

关键词： Lipid peroxidation Antioxidant vitamins Alcohol-induced liver injury Liver regeneration

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Melatonin:a multitasking indoleamine to modulate hippocampal neurogenesis

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Neural Regeneration Research 2023年第3期18卷 503-505页

作者： Alejandro Romero joséÁngel morales-García Eva Ramos Department of Pharmacology and Toxicology Faculty of Veterinary MedicineComplutense University of Madrid Institute for Biomedical Research“A.Sols”(CSIC-UAM) Spanish Center for Networked Biomedical Research on Neurodegenerative Diseases(CIBERNED Department of Cellular Biology School of MedicineComplutense University of MadridMadridSpain

Neurodegeneration affects a large number of cell types including neurons,astrocytes or oligodendrocytes,and neural stem *** stem cells can generate new neuronal populations through proliferation,migration,and *** neurogenic potential may be a relevant factor to fight neurodegeneration and *** the last years,we can find growing evidence suggesting that melatonin may be a potential modulator of adult hippocampal *** lack of therapeutic strategies targeting neurogenesis led researchers to explore new *** preclinical studies with melatonin observed how melatonin can modulate and enhance molecular and signaling pathways involved in *** made a special focus on the connection between these modulation mechanisms and their implication in neurodegeneration,to summarize the current knowledge and highlight the therapeutic potential of melatonin.

关键词： adult hippocampal neurogenesis aging melatonin neural stem cell neurodegeneration neuroprotection signaling pathway therapeutic strategy

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