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https://www.readbyqxmd.com/read/28933536/a-bimetallic-silver-neodymium-theranostic-nanoparticle-with-multimodal-nir-mri-ct-imaging-and-combined-chemo-photothermal-therapy
#1
Sandeep K Mishra, S Kannan
An engineered metallic nanostructure is an excellent candidate for "theranosis" of cancer, having intrinsic properties of multimodal imaging and therapy. Toward this target, the development of silver-neodymium bimetallic nanoparticles (Ag-Nd BNPs) via microwave-assisted polyol synthesis is presented. The resultant Ag-Nd BNPs exhibit good monodispersity with average size of 10 nm, fluorescence in the near-infrared (NIR) region, and magnetic properties. The Ag-Nd BNPs also validate MRI, CT, and NIR trimodal imaging ability and enunciate valuable temperature response upon irradiation under a NIR laser...
September 21, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28932596/examining-the-%C3%A4-nterval-between-radiation-therapy-and-surgery-in-trimodality-therapy-try-tri-again
#2
COMMENT
Sarah J Gao, Anthony W Kim
No abstract text is available yet for this article.
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932176/effect-of-udp-glucuronosyltransferase-ugt-1a-polymorphism-rs8330-and-rs10929303-on-glucuronidation-status-of-acetaminophen
#3
Huma Mehboob, Imtiaz Mahmood Tahir, Tahira Iqbal, Sadaf Saleem, Sofia Perveen, Aboubakker Farooqi
Interindividual variability in polymorphic uridine diphosphate-glucuronosyltransferase 1A1 (UGT1A1) ascribed to genetic diversity is associated with relative glucuronidation level among individuals. The present research was aimed to study the effect of 2 important single nucleotide polymorphisms (SNPs; rs8330 and rs10929303) of UGT1A1 gene on glucuronidation status of acetaminophen in healthy volunteers (n = 109). Among enrolled volunteers, 54.13% were male (n = 59) and 45.87% were female (n = 50). The in vivo activity of UGT1A1 was investigated by high-performance liquid chromatography-based analysis of glucuronidation status (ie, acetaminophen and acetaminophen glucuronide) in human volunteers after oral intake of a single dose (1000 mg) of acetaminophen...
July 2017: Dose-response: a Publication of International Hormesis Society
https://www.readbyqxmd.com/read/28925253/novel-trimodal-maldi-imaging-mass-spectrometry-ims3-at-10-%C3%AE-m-reveals-spatial-lipid-and-peptide-correlates-implicated-in-a%C3%AE-plaque-pathology-in-alzheimer-s-disease
#4
Ibrahim Kaya, Dimitri Brinet, Wojciech Michno, Mehmet Baskurt, Henrik Zetterberg, Kaj Blennow, Jörg Hanrieder
Multimodal chemical imaging using matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) can provide comprehensive molecular information in situ within the same tissue sections. This is of relevance for studying different brain pathologies such as Alzheimer's Disease (AD), where recent data suggest a critical relevance of co-localizing Aβ peptides and neuronal lipids. We here developed a novel trimodal, high-resolution (10µm) MALDI imaging MS (IMS) paradigm for negative- and positive ion mode lipid analysis and subsequent protein ion imaging on the same tissue section...
September 19, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28910150/phase-i-ii-trial-of-anticarcinoembryonic-antigen-radioimmunotherapy-gemcitabine-and-hepatic-arterial-infusion-of-fluorodeoxyuridine-postresection-of-liver-metastasis-for-colorectal-carcinoma
#5
Benjamin Cahan, Lucille Leong, Lawrence Wagman, David Yamauchi, Stephen Shibata, Sharon Wilzcynski, Lawrence E Williams, Paul Yazaki, David Colcher, Paul Frankel, Anna Wu, Andrew Raubitschek, John Shively, Jeffrey Y C Wong
OBJECTIVES: Report the feasibility, toxicities, and long-term results of a Phase I/II trial of (90)Y-labeled anticarcinoembryonic antigen (anti-CEA) (cT84.66) radioimmunotherapy (RIT), gemcitabine, and hepatic arterial infusion (HAI) of fluorodeoxyuridine (FUdR) after maximal hepatic resection of metastatic colorectal cancer to the liver. METHODS: Patients with metastatic colorectal cancer to the liver postresection or ablation to minimum disease were eligible. Each cohort received HAI of FUdR for 14 days on a dose escalation schedule...
September 2017: Cancer Biotherapy & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28902890/simultaneous-trimodal-pet-mr-eeg-imaging-do-eeg-caps-generate-artefacts-in-pet-images
#6
Ravichandran Rajkumar, Elena Rota Kops, Jörg Mauler, Lutz Tellmann, Christoph Lerche, Hans Herzog, N Jon Shah, Irene Neuner
Trimodal simultaneous acquisition of positron emission tomography (PET), magnetic resonance imaging (MRI), and electroencephalography (EEG) has become feasible due to the development of hybrid PET-MR scanners. To capture the temporal dynamics of neuronal activation on a millisecond-by-millisecond basis, an EEG system is appended to the quantitative high resolution PET-MR imaging modality already established in our institute. One of the major difficulties associated with the development of simultaneous trimodal acquisition is that the components traditionally used in each modality can cause interferences in its counterpart...
2017: PloS One
https://www.readbyqxmd.com/read/28887066/neoadjuvant-chemoradiation-is-associated-with-improved-overall-survival-in-older-patients-with-esophageal-cancer
#7
David M Guttmann, Nandita Mitra, James M Metz, John Plastaras, Weiwei Feng, Samuel Swisher-McClure
OBJECTIVES: The aim of this study was to characterize outcomes associated with neoadjuvant chemoradiation prior to esophagectomy, compared to esophagectomy alone, in older patients with esophageal cancer. MATERIALS AND METHODS: We conducted an observational cohort study in patients ≥70years with locally-advanced esophageal cancer undergoing esophagectomy ± neoadjuvant chemoradiation between 2006 and 2012 using the National Cancer Database. A Cox proportional hazards model with inverse probability of treatment weighting (IPTW) using the propensity score was developed to assess the association between trimodality therapy and overall survival...
September 5, 2017: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/28885712/pathological-complete-response-in-patients-with-esophageal-cancer-after-the-trimodality-approach-the-association-with-baseline-variables-and-survival-the-university-of-texas-md-anderson-cancer-center-experience
#8
Mariela Blum Murphy, Lianchum Xiao, Viren R Patel, Dipen M Maru, Arlene M Correa, Fatemeh G Amlashi, Zhongxing Liao, Ritsuko Komaki, Steven H Lin, Heath D Skinner, Ara Vaporciyan, Garrett L Walsh, Stephen G Swisher, Boris Sepesi, Jeffrey H Lee, Manoop S Bhutani, Brian Weston, Wayne L Hofstetter, Jaffer A Ajani
BACKGROUND: Reports are limited regarding clinical and pretreatment features that might predict a pathological complete response (pathCR) after treatment in patients with esophageal cancer (EC). This might allow patient selection for different strategies. This study examines the association of a pathCR with pretreatment variables, overall survival (OS), recurrence-free survival (RFS), and patterns of recurrence in a large cohort from a single institution. METHODS: The baseline clinical features of 911 consecutive patients with EC who were treated with trimodality therapy from January 2000 to November 2013 were analyzed...
September 8, 2017: Cancer
https://www.readbyqxmd.com/read/28852616/synthesis-and-optimization-of-mos2-fe3o4-icg-pt-iv-nanoflowers-for-mr-ir-pa-bioimaging-and-combined-ptt-pdt-chemotherapy-triggered-by-808-nm-laser
#9
Bei Liu, Chunxia Li, Guanying Chen, Bin Liu, Xiaoran Deng, Yi Wei, Jun Xia, Bengang Xing, Ping'an Ma, Jun Lin
Elaborately designed biocompatible nanoplatforms simultaneously achieving multimodal bioimaging and therapeutic functions are highly desirable for modern biomedical applications. Herein, uniform MoS2 nanoflowers with a broad size range of 80-180 nm have been synthesized through a facile, controllable, and scalable hydrothermal method. The strong absorbance of MoS2 nanoflowers at 808 nm imparts them with high efficiency and stability of photothermal conversion. Then a novel multifunctional composite of MoS2@Fe3O4-ICG/Pt(IV) (labeled as Mo@Fe-ICG/Pt) is designed by covalently grafting Fe3O4 nanoparticles with polyethylenimine (PEI) functionalized MoS2, and then loading indocyanine green molecules (ICG, photosensitizers) and platinum (IV) prodrugs (labeled as Pt(IV) prodrugs) on the surface of MoS2@Fe3O4...
August 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28826283/radiotherapy-and-hyperthermia-with-curative-intent-in-recurrent-high-risk-soft-tissue-sarcomas
#10
Franziska Eckert, Lore Helene Braun, Frank Traub, Hans-Georg Kopp, Bence Sipos, Ulf Lamprecht, Arndt-Christian Müller, Frank Paulsen, Daniel Zips
PURPOSE: Radiotherapy before or after resection is one of the pillars of treatment for localised high risk soft tissue sarcomas. Treatment intensification has been described with concurrent chemotherapy and hyperthermia. The aim of this study is to assess local control after multimodal treatment, focussing on the treatment of local recurrences after surgery only. PATIENTS AND METHODS: Of 42 patients treated in a prospective protocol with radiotherapy and hyperthermia, nine were treated for isolated local recurrences without metastatic spread...
August 21, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28817374/long-term-survival-outcomes-of-cancer-directed-surgery-for-malignant-pleural-mesothelioma-propensity-score-matching-analysis
#11
David B Nelson, David C Rice, Jiangong Niu, Scott Atay, Ara A Vaporciyan, Mara Antonoff, Wayne L Hofstetter, Garrett L Walsh, Stephen G Swisher, Jack A Roth, Anne Tsao, Daniel Gomez, Sharon H Giordano, Reza Mehran, Boris Sepesi
Purpose Small observational studies have shown a survival advantage to undergoing cancer-directed surgery for malignant pleural mesothelioma (MPM); however, it is unclear if these results are generalizable. Our purpose was to evaluate survival after treatment of MPM with cancer-directed surgery and to explore the effect surgery interaction with chemotherapy or radiation therapy on survival by using the National Cancer Database. Patients and Methods Patients with microscopically proven MPM were identified within the National Cancer Database (2004 to 2014)...
August 17, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28807681/seasonal-changes-in-activity-patterns-of-japanese-flying-squirrel-pteromys-momonga
#12
Kei K Suzuki, Motokazu Ando
Seasonal changes of activity patterns are an important survival strategy for several species. Seasonal changes in the activity patterns of Japanese flying squirrels (Pteromys momonga) were studied at Daibosatsu Mountain on Honshu Island, Japan from 2 June to 20 November 2007 and 11 April to 14 November 2008, to discuss their survival strategy based on the change. Activity patterns were assessed using long-term sensor camera traps at 214 sites for 14 months of a 2-year period. The cameras were placed for a total of 7317 camera trap nights over which total of 90 photographs of this species were collected from 22 of the 214 sites...
October 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28803718/total-neoadjuvant-therapy-a-shifting-paradigm-in-locally-advanced-rectal-cancer-management
#13
REVIEW
Aaron J Franke, Hiral Parekh, Jason S Starr, Sanda A Tan, Atif Iqbal, Thomas J George
Colorectal carcinoma is the second leading cause of cancer-related deaths in the United States, with rectal cancer accounting for approximately one-third of newly diagnosed cases, thus representing a major socioeconomic health burden. Although minimally invasive procedures (ie, transanal excision) may be appropriate for a subset of patients with small, superficially invasive tumors, a more comprehensive trimodality approach with neoadjuvant chemoradiotherapy, total mesorectal excision, and systemic chemotherapy is recommended for medically operable patients with nonmetastatic, locally advanced rectal cancer (LARC)...
June 27, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28766220/improved-locoregional-control-in-a-contemporary-cohort-of-nonmetastatic-inflammatory-breast-cancer-patients-undergoing-surgery
#14
Kelly J Rosso, Audree B Tadros, Anna Weiss, Carla L Warneke, Sarah DeSnyder, Henry Kuerer, Naoto T Ueno, Shane R Stecklein, Wendy A Woodward, Anthony Lucci
BACKGROUND: Inflammatory breast cancer (IBC) is an aggressive form of breast cancer characterized by rapid progression and early metastatic dissemination. The purpose of this study was to assess contemporary rates of local regional recurrence (LRR) in the era of trimodality therapy for nonmetastatic IBC and identify risk factors leading to local failure. METHODS: A total of 114 patients with nonmetastatic IBC receiving trimodality therapy (neoadjuvant chemotherapy, surgery, and radiation therapy) were identified from a prospectively collected database from 2007 to 2015 and outcomes analyzed...
August 1, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28759994/trimodal-mixed-mode-chromatography-that-enables-efficient-offline-two-dimensional-peptide-fractionation-for-proteome-analysis
#15
Peng Yu, Svenja Petzoldt, Mathias Wilhelm, Daniel Paul Zolg, Runsheng Zheng, Xuefei Sun, Xiaodong Liu, Günter Schneider, Andreas Huhmer, Bernhard Kuster
Offline two-dimensional chromatography is a common means to achieve deep proteome coverage. To reduce sample complexity and dynamic range and to utilize mass spectrometer (MS) time efficiently, high chromatographic resolution of and good orthogonality between the two dimensions are needed. Ion exchange and high pH reversed phase chromatography are often used for this purpose. However, the former requires desalting to be MS-compatible, and the latter requires fraction pooling to create orthogonality. Here, we report an alternative first-dimension separation technique using a commercial trimodal phase incorporating polar embedded reversed phase, weak anion exchange, and strong cation exchange material...
September 5, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28749194/results-of-preoperative-chemoradiotherapy-for-patients-with-advanced-cancer-of-the-nasal-cavity-and-paranasal-sinuses
#16
Erik Fernström, Jan Nyman, Eva Hammerlid, Erik Holmberg, Hedda Haugen-Cange, Karin Petruson, Edvard Abel, Thomas Björk-Eriksson
OBJECTIVES: Curative treatment of nasal cavity and paranasal sinus cancer is challenging due to the proximity to critical anatomical structures. The purpose of this study was to analyze the impact of trimodality therapy with preoperative chemotherapy and reduced-dose radiotherapy followed by organ-preserving surgery for treating patients with nasal cavity and paranasal sinus cancer. METHODS: This retrospective study included all 156 patients diagnosed with sinonasal cancer in western Sweden between 1986 and 2009...
July 27, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28744236/trimodal-race-model-inequalities-in-multisensory-integration-i-basics
#17
Hans Colonius, Felix Hermann Wolff, Adele Diederich
The race model inequality has become an important testing tool for the analysis of redundant signals tasks. In crossmodal reaction time experiments, the strength of violation of the inequality is taken as measure of multisensory integration occurring beyond probability summation. Here we extend previous results on trimodal race model inequalities and specify the underlying context invariance assumptions required for their validity. Some simulation results comparing the race model and the superposition model for Erlang distributed random variables illustrate the trimodal inequalities...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28743861/multimodal-fingerprints-of-resting-state-networks-as-assessed-by-simultaneous-trimodal-mr-pet-eeg-imaging
#18
N J Shah, J Arrubla, R Rajkumar, E Farrher, J Mauler, E Rota Kops, L Tellmann, J Scheins, F Boers, J Dammers, P Sripad, C Lerche, K J Langen, H Herzog, I Neuner
Simultaneous MR-PET-EEG (magnetic resonance imaging - positron emission tomography - electroencephalography), a new tool for the investigation of neuronal networks in the human brain, is presented here for the first time. It enables the assessment of molecular metabolic information with high spatial and temporal resolution in a given brain simultaneously. Here, we characterize the brain's default mode network (DMN) in healthy male subjects using multimodal fingerprinting by quantifying energy metabolism via 2- [(18)F]fluoro-2-desoxy-D-glucose PET (FDG-PET), the inhibition - excitation balance of neuronal activation via magnetic resonance spectroscopy (MRS), its functional connectivity via fMRI and its electrophysiological signature via EEG...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28742692/oncologic-outcome-and-morbidity-in-the-elderly-rectal-cancer-patients-after-preoperative-chemoradiotherapy-and-total-mesorectal-excision-a-multi-institutional-and-case-matched-control-study
#19
Soo-Y Sung, Hong S Jang, Sung H Kim, Jae U Jeong, Songmi Jeong, Jin H Song, Mi J Chung, Hyeon M Cho, Hyung J Kim, Jun-Gi Kim, In K Lee, Jong H Lee
OBJECTIVE: To determine the toxicity and oncologic outcome of neoadjuvant chemoradiotherapy (CRT) followed by curative total mesorectal excision (TME) in the elderly (≥70 yrs) and younger (<70 yrs) rectal cancer patients. BACKGROUND: Sufficient data for elderly rectal cancer patients who received definitive trimodality have not been accumulated yet. PATIENTS AND METHODS: A total of 1232 rectal cancer patients who received neoadjuvant CRT and TME were enrolled in this study...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28737290/integration-of-ir-808-sensitized-upconversion-nanostructure-and-mos2-nanosheet-for-808-nm-nir-light-triggered-phototherapy-and-bioimaging
#20
Jiating Xu, Arif Gulzar, Yuhui Liu, Huiting Bi, Shili Gai, Bin Liu, Dan Yang, Fei He, Piaoping Yang
Near infrared (NIR) light triggered phototherapy including photothermal therapy (PTT) and photodynamic therapy (PDT) affords superior outcome in cancer treatment. However, the reactive oxygen species (ROS) generated by NIR-excited upconversion nanostructure is limited by the feeble upconverted light which cannot activate PDT agents efficiently. Here, an IR-808 dye sensitized upconversion nanoparticle (UCNP) with a chlorin e6 (Ce6)-functionalized silica layer is developed for PDT agent. The two booster effectors (dye-sensitization and core-shell enhancement) synergistically amplify the upconversion efficiency, therefore achieving superbright visible emission under low 808 nm light excitation...
July 24, 2017: Small
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