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148篇 您的检索式:作者名="NATALIA M"
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1Targeting of the AKT/m-TOR Pathway: Biomarkers of Resistance to Cancer Therapy——AKT/m-TOR Pathway and Resistance to Cancer Therapy显示文摘Resistance to cancer therapy continues to be a major limitation for the successful treatment of cancer. There are many published studies on therapy resistance in breast and prostate cancers; however, there are currently no data on molecular markers associated with resistance. The conflicting data were reported regarding the AKT/m-TOR signaling pathway components as markers predicting resistance. The AKT/m-TOR signaling pathway is involved in the development of many human cancers; its activation is related to cell proliferation, angiogenesis, apoptosis, as well as to therapy resistance. Molecular alterations in the AKT/m-TOR signaling pathway provide a platform to identify universal markers associated with the development of resistance to cancer therapy.Liudmila V SPIRINA Irina V KONDAKOVA Natalia V TARASENKO Elena M SLONIMSKAYA Evgeny A USYNIN Alexey K GORBUNOV Zahar A YURMAZOV Svetlana Yu CHIGEVSKAYA 2018中国肺癌杂志2018,21,1:18
2Implication of altered proteasome function in alcoholic liverinjury显示文摘The proteasome is a major protein-degrading enzyme, which catalyzes degradation of oxidized and aged proteins, signal transduction factors and cleaves peptides for antigen presentation. Proteasome exists in the equilibrium of 26S and 20S particles. Proteasome function is altered by ethanol metabolism, depending on oxidative stress levels: low oxidative stress induces proteasome activity, while high oxidative stress reduces it. The proposed mechanisms for modulation of proteasome activity are related to oxidative modification of proteasomal proteins with primary and secondary products derived from ethanol oxidation. Decreased proteolysis by the proteasome results in the accumulation of insoluble protein aggregates, which cannot be degraded by proteasome and which further inhibit proteasome function. Mallory bodies, a common signature of alcoholic liver diseases, are formed by liver cells, when proteasome is unable to remove cytokeratins. Proteasome inhibition by ethanol also promotes the accumulation of pro-apoptotic factors in mitochondria of ethanol-metabolizing liver cells that are normally degraded by proteasome. In addition, decreased proteasome function also induces accumulation of the negative regulators of cytokine signaling (I-kB and SOCS), thereby blocking cytokine signal transduction. Finally, ethanol-elicited blockade of interferon type 1 and 2 signaling and decreased proteasome function impairs generation of peptides for MHC class Ⅰ-restricted antigen presentation.Natalia A Osna Terrence M Donohue Jr 2007World Journal of Gastroenterology2007,13,37:10
3Clarifying sub-genomic positions of QTLs for flowering habit and fruit quality in U.S. strawberry (Fragaria×ananassa) breeding populations using pedigree-based QTL analysis显示文摘The cultivated strawberry(Fragaria×ananassa)is consumed worldwide for its flavor and nutritional benefits.Genetic analysis of commercially important traits in strawberry are important for the development of breeding methods and tools for this species.Although several quantitative trait loci(QTL)have been previously detected for fruit quality and flowering traits using low-density genetic maps,clarity on the sub-genomic locations of these QTLs was missing.Recent discoveries in allo-octoploid strawberry genomics led to the development of the IStraw90 single-nucleotide polymorphism(SNP)array,enabling high-density genetic maps and finer resolution QTL analysis.In this study,breeder-specified traits were evaluated in the Eastern(Michigan)and Western(Oregon)United States for a common set of breeding populations during 2 years.Several QTLs were validated for soluble solids content(SSC),fruit weight(FWT),pH and titratable acidity(TA)using a pedigree-based QTL analysis approach.For fruit quality,a QTL for SSC on linkage group(LG)6A,a QTL for FWT on LG 2BII,a QTL for pH on LG 4CII and two QTLs for TA on LGs 2A and 5B were detected.In addition,a large-effect QTL for flowering was detected at the distal end of LG 4A,coinciding with the FaPFRU locus.Marker haplotype analysis in the FaPFRU region indicated that the homozygous recessive genotype was highly predictive of seasonal flowering.SNP probes in the FaPFRU region may help facilitate marker-assisted selection for this trait.Sujeet Verma Jason D Zurn Natalia Salinas Megan M Mathey Beatrice Denoyes James F Hancock Chad E Finn Nahla V Bassil Vance M Whitaker 2017Horticulture Research2017,4,1:10
4Liver blood supply after a modified Appleby procedure in classical and aberrant arterial anatomy显示文摘Reported here are two cases of a modified Appleby operation for borderline resectable ductal adenocarcinoma of the pancreatic body, in one of which a R0 distal resection was attended to by excision, not only of the celiac axis, but also of the common and left hepatic arteries in the presence of arterial anatomic variation Michels, type Ⅷb. The possibility and avenues of the maintenance of the blood supply to the left hepatic lobe after surgical aggression of this kind are demonstrated employing computed tomography (CT) and 3-D CT angiography. Furthermore, both cases highlight all important worrisome aspects of pancreatic cancer resectability prediction.Vyacheslav I Egorov Roman V Petrov Michail V Lozhkin Olga A Maynovskaya Natalia S Starostina Natalia R Chernaya Ekaterina M Filippova 2013World Journal of Gastrointestinal Surgery2013,5,3:7
5Differences in standing balance between patients with diplegic and hemiplegic cerebral palsy显示文摘Maintaining standing postural balance is important for walking and handling abilities in patients with cerebral palsy.This study included 23 patients with cerebral palsy(seven with spastic diplegia and16 with spastic hemiplegia),aged from 7 to 16 years of age.Standing posture balance measurements were performed using an AMTI model OR6-7 force platform with the eyes open and closed.Patients with diplegic cerebral palsy exhibited greater center of pressure displacement areas with the eyes open and greater center of pressure sway in the medial-lateral direction with the eyes open and closed compared with hemiplegic patients.Thus,diplegic patients exhibited weaker postural balance control ability and less standing stability compared with hemiplegic cerebral palsy patients.Valeska Gatica Rojas Guillermo Méndez Rebolledo Eduardo Guzman Muoz Natalia Ibarra Cortés Caterine Berrios Gaete Carlos Manterola Delgado 2013Neural Regeneration Research2013,8,26:6
6Involvement of autophagy in alcoholic liver injury and hepatitis C pathogenesis显示文摘This review describes the principal pathways of macroautophagy (i.e. autophagy), microautophagy and chaperone-mediated autophagy as they are currently known to occur in mammalian cells. Because of its crucial role as an accessory digestive organ, the liver has a particularly robust autophagic activity that is sensitive to changes in plasma and dietary components. Ethanol consumption causes major changes in hepatic protein and lipid metabolism and both are regulated by autophagy, which is significantly affected by hepatic ethanol metabolism. Ethanol exposure enhances autophagosome formation in liver cells, but suppresses lysosome function. Excessive ethanol consumption synergizes with hepatitis C virus (HCV) to exacerbate liver injury, as alcohol-consuming HCV patients frequently have a longer course of infection and more severe manifestations of chronic hepatitis than abstinent HCV patients. Alcohol-elicited exacerbation of HCV infection pathogenesis is related to modulation by ethanol metabolism of HCV replication. Additionally, as part of this mechanism, autophagic proteins have been shown to regulate viral (HCV) replication and their intracel-lular accumulation. Because ethanol induces autophagosome expression, enhanced levels of autophagic proteins may enhance HCV infectivity in liver cells of alcoholics and heavy drinkers.Natalia A Osna Paul G Thomes Terrence M Donohue 2011World Journal of Gastroenterology2011,17,20:5
7Remote platelet function testing using P-selectin expression in patients with recent cerebral ischaemia on clopidogrel显示文摘Background Antiplatelet agents reduce recurrence after cerebral ischaemia but are not effective in all patients,in part because of treatment resistance.The primary aim was to assess the proportion of patients who are insensitive to clopidogrel.The secondary aim was to assess the association between insensitivity to clopidogrel and recurrent cerebrovascular events.Methods Following written informed consent,independent patients with a recent non-cardioembolic ischaemic stroke or transient ischaemic attack,and taking clopidogrel,were enrolled.Platelet function was assessed with remote measurement of surface expression of P-selectin(CD62P)using commercial kits sensitive to aspirin or clopidogrel.Participants’general practitioners provided details on recurrent vascular events at least 90 days later.Data are mean(SD)and median[IQR].Resistance was defined as:aspirin median fluorescence(MF)>500 units,clopidogrel MF>860 units.Non-parametric descriptors and tests were used.Results 63 patients were recruited:mean age 64(13.7)years,women 47%.At baseline,59(95%)patients were taking clopidogrel alone with 3(5%)on combined clopidogrel and aspirin.Assessment of platelet surface P-selectin revealed:aspirin test 528[317,834],>50054.8%;clopidogrel test 429[303,656],>86011.3%.No participants on aspirin and clopidogrel showed aspirin resistance.Thirteen(20.6%)patients had a recurrent cerebrovascular event;those with an ischaemic stroke had a non-significantly higher baseline P-selectin using the clopidogrel test as compared with those with no recurrence:626[380,801]versus 406[265,609],p=0.08.Conclusions Remote measurement of platelet function assessed using the platelet surface expression of P-selectin is feasible.11%of patients taking clopidogrel showed resistance.No significant associations were noted between clopidogrel resistance and recurrent ischaemic events.Jason Philip Appleton Carla Richardson Natalia Dovlatova Jane May Nikola Sprigg Stan Heptinstall Philip M Bath 2021Stroke & Vascular Neurology2021,6,1:2
8Potential Use of a Poultry Manure Digestate as a Biofertiliser:Evaluation of Soil Properties and Lactuca sativa Growth显示文摘Anaerobic digestion is a process that is widely used for the treatment of organic wastes. The digestate can be used as a soil amendment or crop fertiliser. The aims of our work were to evaluate 1) the physicochemical composition and pathogen content in a digestate from poultry manure, according to international regulations, and 2) the effect of its soil application on the major chemical and biological soil properties and on the growth of Lactuca sativa. The experiment consisted of two groups of pots(with and without crop). Treatments applied to each group were as follows: low and high doses of digestate and inorganic fertiliser, and no application(control)(low dose: 70 kg nitrogen(N) ha^(-1) and 21 kg phosphorus(P) ha^(-1); high dose: 210 kg N ha^(-1) and 63 kg P ha^(-1)). Soil samples were taken 7 and 34 d(harvest) after treatment applications. Heavy metal and pathogen contents in the digestate were below the upper limit values. Despite the high pH and electrical conductivity values of the digestate, both soil parameters presented acceptable values for crop growth. Although there were no initial increases in total inorganic N and available P in soil with digestate application, an increase in the fresh weight of crop was observed with the high dose application. This is probably associated with the slow nutrient release from the digestate during the development of the crop. Changes in the microbial community were temporary and occurred at the initial sampling stage of the experiment.Natalia MóRTOLA Romina ROMANIUK Vanina COSENTINO Maximiliano EIZA Patricia CARFAGNO Pedro RIZZO Patricia BRES Nicolás RIERA Marcos ROBA Mariano BUTTI Daiana SAINZ Lucrecia BRUTTI 2019Pedosphere2019,29,1:2
9Labeling of influenza viruses with synthetic fluorescent and biotin-labeled lipids显示文摘Direct labeling of virus particles is a powerful tool for the visualization of virus–cell interaction events. However, this technique involves the chemical modification of viral proteins that affects viral biological properties. Here we describe an alternative approach of influenza virus labeling that utilizes Function-Spacer-Lipid(FSL) constructs that can be gently inserted into the virus membrane. We assessed whether labeling with fluorescent(fluo-Ad-DOPE) or biotin-labeled(biot-CMG2-DOPE) probes has any deleterious effect on influenza virus hemagglutinin(HA) receptor specificity, neuraminidase(NA) activity, or replicative ability in vitro. Our data clearly show that neither construct significantly affected influenza virus infectivity or viral affinity to sialyl receptors. Neither construct influenced the NA activities of the influenza viruses tested, except the A/Puerto Rico/8/34(H1N1) strain. Our data indicate that lipid labeling provides a powerful tool to analyze influenza virus infection in vitro.Natalia A Ilyushina Evgeny S Chernyy Elena Y Korchagina Aleksra S Gambaryan Stephen M Henry Nicolai V Bovin 2014Virologica Sinica2014,29,4:2
10Effect of Coenzyme Q10 Supplementation on Mitochondrial Function after Myocardial Ischemia Reperfusion显示文摘Crestanello J A Doliba N M Natalia M D 2002Journal of Surgical Research2002,102,2:1
11Genome sequence and analysis of the soil cellulolytic actinomyeete Thermobifidafusca YX 显示文摘Athanasios L Konstantinos M Natalia I lain A Miriam L Genevieve D Michele M Alia L Susan L Alex C Paul R David BW Nikos K 2007J Bacteriol2007,189,6:1
12Identification of a point mutation associated with pyrethroid resistance in the para -type sodium channel of Triatoma infestans , a vector of Chagas’ disease显示文摘Jésica Fabro Marcos Sterkel Natalia Capriotti Gastón Mougabure-Cueto Mónica Germano Rolando Rivera-Pomar Sheila Ons 2011Infection, Genetics and Evolution2011,,2:1
13Theory of planned behavior and thevalue-belief-norm theory explaining willingness to pay for a suburbanpark显示文摘NATALIA L M MERCEDES S 2012Journal of Environmental Management2012,113,7:1
14DNA extraction from several cacti显示文摘Candelario M J Natalia D Bruce P B 2000Hort Science2000,35,6:1
15Probing the genetic population structure of Trypanosoma cruzi with polymorphic microsatellites显示文摘 Broude Natalia E Macedo Andrea M 1998Proceedings of the National Academy of Sciences of the United States of America1998,95,7:1
16Infrared luminescence of ytterbium ion in complexes with calixresorcinarenes显示文摘Sergey V S Natalia V R Anna M T 1998Journal of Fluorescence1998,8,3:1
17The governance of nonprofit organizations : empirical evidence from nongovernmental development organizations in Spain显示文摘Pablo A A Natalia M C Elena M R Nonprofit and Voluntary Sector Quarterly0,40,:1
18A common drug for a rare disease: treating folliculitis perforans with minocycline-case report显示文摘NATALIA M MARIAM R 2004J Am Acad Dermatol2004,50,3:1
19Analytical computational aspects of collaborative optimization for multidisciplinary design 显示文摘Natalia M Alexandrov N Robert M L 2002AIAA Journal2002,40,2:1
20Procrustean entanglement concen- tration of continuous-variable states of light显示文摘David M Natalia K 2006Physi- cal Review: A2006,74,04:1
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