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| 1 | 半边旗提取物5F对非小细胞肺癌NCI-H460细胞生长的抑制作用显示文摘目的研究半边旗提取物5F对非小细胞肺癌NCI-H460细胞生长的抑制作用。方法MTT法检测5F对NCI-H460细胞的生长抑制作用;用PI-Hoechst荧光双染法和TUNEL法检测细胞凋亡;流式细胞仪检测5F对DNA含量的影响。结果5F抑制NCI-H460细胞的生长,其效果与5F的浓度和作用时间相关,24、48、72h的IC50分别为:21.40、4.52、1.02μg/ml;荧光双染色法显示经5F作用后细胞出现变形,染色质浓缩,产生凋亡小体;细胞被阻滞在G2/M期。结论5F在体外能有效地抑制NCI-H460细胞的生长,其作用可能是通过诱导其凋亡产生的。 | 刘义 吴科锋 李立 George G CHEN Michael KY HSIN Malcolm J UNDERWOOD 梁念慈 | 2009 | 肿瘤防治研究2009,36,1: | 9 |
| 2 | Through-needle all-optical ultrasound imaging in vivo: a preclinical swine study显示文摘High-frequency ultrasound imaging can provide exquisite visualizations of tissue to guide minimally invasive procedures.Here,we demonstrate that an all-optical ultrasound transducer,through which light guided by optical fibers is used to generate and receive ultrasound,is suitable for real-time invasive medical imaging in vivo.Broad-bandwidth ultrasound generation was achieved through the photoacoustic excitation of a multiwalled carbon nanotube-polydimethylsiloxane composite coating on the distal end of a 300-μm multi-mode optical fiber by a pulsed laser.The interrogation of a high-finesse Fabry–Pérot cavity on a single-mode optical fiber by a wavelength-tunable continuous-wave laser was applied for ultrasound reception.This transducer was integrated within a custom inner transseptal needle(diameter 1.08 mm;length 78 cm)that included a metallic septum to acoustically isolate the two optical fibers.The use of this needle within the beating heart of a pig provided unprecedented realtime views(50 Hz scan rate)of cardiac tissue(depth:2.5 cm;axial resolution:64μm)and revealed the critical anatomical structures required to safely perform a transseptal crossing:the right and left atrial walls,the right atrial appendage,and the limbus fossae ovalis.This new paradigm will allow ultrasound imaging to be integrated into a broad range of minimally invasive devices in different clinical contexts. | Malcolm C Finlay Charles A Mosse Richard J Colchester Sacha Noimark Edward Z Zhang Sebastien Ourselin Paul C Beard Richard J Schilling Ivan P Parkin Ioannis Papakonstantinou Adrien E Desjardins | 2017 | Light(Science & Applications)2017,6,1: | 6 |
| 3 | Cementomimetics——constructing a cementum-like biomineralized microlayer via amelogenin-derived peptides显示文摘Cementum is the outer-,mineralized-tissue covering the tooth root and an essential part of the system of periodontal tissue that anchors the tooth to the bone. Periodontal disease results from the destructive behavior of the host elicited by an infectious biofilm adhering to the tooth root and left untreated,may lead to tooth loss. We describe a novel protocol for identifying peptide sequences from native proteins with the potential to repair damaged dental tissues by controlling hydroxyapatite biomineralization. Using amelogenin as a case study and a bioinformatics scoring matrix,we identified regions within amelogenin that are shared with a set of hydroxyapatite-binding peptides (HABPs) previously selected by phage display. One 22-amino acid long peptide regions referred to as amelogenin-derived peptide 5 (ADP5) was shown to facilitate cell-free formation of a cementum-like hydroxyapatite mineral layer on demineralized human root dentin that,in turn,supported attachment of periodontal ligament cells in vitro. Our findings have several implications in peptide-assisted mineral formation that mimic biomineralization. By further elaborating the mechanism for protein control over the biomineral formed,we afford new insights into the evolution of protein-mineral interactions. By exploiting small peptide domains of native proteins,our understanding of structure-function relationships of biomineralizing proteins can be extended and these peptides can be utilized to engineer mineral formation. Finally,the cementomimetic layer formed by ADP5 has the potential clinical application to repair diseased root surfaces so as to promote the regeneration of periodontal tissues and thereby reduce the morbidity associated with tooth loss. | Mustafa Gungormus Ersin E Oren Jeremy A Horst Hanson Fong Marketa Hnilova Martha J Somerman Malcolm L Snead Ram Samudrala Candan Tamerler Mehmet Sarikaya | 2012 | International Journal of Oral Science2012,4,2: | 5 |
| 4 | Bevacizumab plus oxaliplatin-based chemotherapy as adjuvant treatment for colon cancer (AVANT): a phase 3 randomised controlled trial显示文摘 | Aimery de Gramont Eric Van Cutsem Hans-Joachim Schmoll Josep Tabernero Stephen Clarke Malcolm J Moore David Cunningham Thomas H Cartwright J Randolph Hecht Fernando Rivera Seock-Ah Im Gy?rgy Bodoky Ramon Salazar Frédérique Maindrault-Goebel Einat Shacham- | 2012 | Lancet Oncology2012,,12: | 3 |
| 5 | 半边旗活性物质5F对非小细胞肺癌NCI-H460细胞IκKβ、IκB、p65及p50 mRNA表达的影响显示文摘目的从NF-κB信号通路着手探讨半边旗活性物质5F诱导非小细胞肺癌NCI-H460细胞凋亡发生的机制。方法MTT法检测5F对NCI-H460细胞的生长抑制作用;用半定量RT-PCR方法检测NCI-H460细胞IκKβ、IκB、p65及p50mRNA表达水平的变化。结果5F抑制NCI-H460细胞的生长,其效果与5F的质量浓度和作用时间相关,24、48、72h的IC50分别为:21.40、4.52、1.02μg/mL;100μg/mL5F作用NCI-H460细胞6h后能引起IκKβ和IκBmRNA表达水平显著降低(P<0.05);p65和p50mRNA水平在作用3h就发生明显减少(P<0.05)。结论5F诱导NCI-H460细胞凋亡的机制可能是通过抑制核因子-κB(NF-κB)信号通路来实现的。 | 刘义 CHEN George G 吕应年 HSIN Michael K Y UNDERWOOD Malcolm J 梁念慈 | 2010 | 中草药2010,41,3: | 3 |
| 6 | Standardized measurement of the future liver remnant prior to extended liver resection: Methodology and clinical associations显示文摘 | Jean-Nicolas Vauthey Amin Chaoui Kim-Anh Do Malcolm M Bilimoria Marc J Fenstermacher Chuslip Charnsangavej Marshall Hicks Guido Alsfasser Gregory Lauwers Irvin F Hawkins James Caridi | 2000 | Surgery2000,,5: | 2 |
| 7 | Effects of peroxynitrite-induced protein modifications on tyrosine phosphorylation and degradation 显示文摘 | Gow A J Duran D Malcolm S Ischiropoulos H | 1996 | Febs Lett1996,385,12: | 1 |
| 8 | Capsaicin-evoked brain activation and central sensitization in anaesthetised rats:A functional magnetic resonance imaging study显示文摘 | Ricardo J M G Peter G M Malcolm J W P | 2006 | Pain2006,126,13: | 1 |
| 9 | The use of the holmium laser in the treatment of benign prostatic hyperplasia显示文摘 | Gilling P J Cass C B Malcolm A R | 1998 | Urology1998,51,: | 1 |
| 10 | Grapefruit juice-drug interactions显示文摘 | Bailey DG Malcolm J Arnold O | 1998 | Br J Clin Pharmacol1998,46,: | 1 |
| 11 | Preparation of enantiomerically pure fructose-derived 1, 3-oxazin-2-one by INIR methodology and its application as a chiral auxiliary in some model asymmetric reactions显示文摘 | MALCOLM R B CADOGAN J I G IAN G | 1998 | Tetrahedron1998,54,33: | 1 |
| 12 | Retrieving the Green' s function from diffuse,equipartitioned waves显示文摘 | Malcolm A E Scales J A Tiggelen B A | 2004 | Phys Rev E2004,70,01: | 1 |
| 13 | Improvement in survival and clinical benefit with gemeltabine as first-line therapy for patients with advanced pancreas cancer: a randomized trial 显示文摘 | Howard A Burriz III Malcolm J | 1997 | J Clin Oneol1997,15,: | 1 |
| 14 | CD28 costimulation improves expansion and persistence of chimeric antigen receptor-modified T cells in lymphoma patients显示文摘 | Savoldo Barbara Ramos Carlos Almeida Liu Enli Mims Martha P Keating Michael J Carrum George Kamble Rammurti T Bollard Catherine M Gee Adrian P Mei Zhuyong Liu Hao Grilley Bambi Rooney Cliona M Heslop Helen E Brenner Malcolm K Dotti Gianpie | 2011 | Journal of Clinical Investigation2011,,5: | 1 |
| 15 | A numerical method for solving partial differential equations on highly irregular evolving grids显示文摘 | Braun J Malcolm Sambridge | 1995 | Nature1995,,24: | 1 |
| 16 | Assessing the impact of nutrient enrichment inestuaries:Susceptibility to eutrophication显示文摘 | Painting S J Devlin M J Malcolm S J | 2007 | MarinePollution Bulletin2007,55,: | 1 |
| 17 | Examining the Effects of Alternative Management Strategies on Landscape-scale Forest Patterns in Northeastern Minnesota Using LANDIS 显示文摘 | SMITA M LEE E F MALCOLM T J | 2004 | Ecological Modelling2004,,5: | 1 |
| 18 | Pilot study of a novel serum mRNA gene panel for diagnosis of acute septic arthritis显示文摘BACKGROUND Septic arthritis is an orthopedic emergency requiring immediate surgical intervention.Current diagnostic standard of care is an invasive joint aspiration.Aspirations provide information about the inflammatory cells in the sample within a few hours,but there is often ambiguity about whether the source is infectious(e.g.bacterial)or non-infectious(e.g.gout).Cultures can take days to result,so decisions about surgery are often made with incomplete data.Novel diagnostics are thus needed.The“Sepsis MetaScore”(SMS)is an 11-mRNA host immune blood signature that can distinguish between infectious and noninfectious acute inflammation.It has been validated in multiple cohorts across heterogeneous clinical settings.AIM To study whether the SMS holds diagnostic validity in determining the etiology of acute arthritis.METHODS We conducted a blinded,prospective,non-interventional clinical study of the SMS.All patients undergoing work-up for a septic primary joint were enrolled.Patients proceeded through the normal standard-of-care pathway,including joint aspiration and inflammatory labs[white blood cell(WBC),erythrocyte sedimentation rate(ESR),C-reactive protein(CRP)].Venous blood was also drawn into PAX gene RNA-stabilizing tubes and mRNAs were measured using Nano String nCounter?.SMS was calculated blinded to clinical results.RESULTS A total of 20 samples were included,of which 11 were infected based on aspiration or intra-operative cultures.The SMS had an area under the ROC curve(AUROC)of 0.87 for separating infectious from non-infectious conditions.For comparison,the AUROCs for ESR=0.58,CRP=0.6,and WBC=0.59.At 100%sensitivity for infection,the specificity of the SMS was 40%,meaning nearly half of non-septic patients could have been ruled out for further intervention.CONCLUSION In this pilot study,SMS showed a high level of diagnostic accuracy in predicting septic joints compared to other diagnostic biomarkers.This quick blood test could be an important tool for early,accurate identification of acute septic joints and need for emergent surgery,improving clinical care and healthcare spending. | Blake J Schultz Timothy Sweeney Malcolm R DeBaun Melissa Remmel Uros Midic Purvesh Khatri Michael J Gardner | 2019 | World Journal of Orthopedics2019,10,12: | 1 |
| 19 | Mouse Models in Gastroenterology Research显示文摘 | Malcolm J L | 2012 | Gastroenterology2012,143,6: | 1 |
| 20 | A method of aggregation in DS/AHP for group decision-making with the non-equivalent importance of individuals in the group 显示文摘 | MALCOLM J B | 2005 | Computers and Operations Research2005,32,7: | 1 |