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https://www.readbyqxmd.com/read/29159935/bayesian-estimation-of-multicomponent-relaxation-parameters-in-magnetic-resonance-fingerprinting
#1
Debra McGivney, Anagha Deshmane, Yun Jiang, Dan Ma, Chaitra Badve, Andrew Sloan, Vikas Gulani, Mark Griswold
PURPOSE: To estimate multiple components within a single voxel in magnetic resonance fingerprinting when the number and types of tissues comprising the voxel are not known a priori. THEORY: Multiple tissue components within a single voxel are potentially separable with magnetic resonance fingerprinting as a result of differences in signal evolutions of each component. The Bayesian framework for inverse problems provides a natural and flexible setting for solving this problem when the tissue composition per voxel is unknown...
November 20, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29155035/utility-of-anesthetic-block-for-endometrial-ablation-pain-a-randomized-controlled-trial
#2
Jordan S Klebanoff, Nima R Patel, Nancy L Sloan
BACKGROUND: Second-generation endometrial ablation has been demonstrated safe for abnormal uterine bleeding treatment in premenopausal women, who have completed childbearing, in short-stay surgical centers and in physicians' offices. However, no standard regarding anesthesia exists and practice varies depending on physician or patient preference and hospital policy and setting. OBJECTIVE: To evaluate whether local anesthetic, in combination with general anesthesia, affects postoperative pain and associated narcotic use following endometrial ablation...
November 15, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29154919/patient-reported-outcomes-and-opioid-use-by-outpatient-cancer-patients
#3
N Moryl, V Dave, P Glare, A Bokhari, V T Malhotra, A Gulati, J Hung, V Puttanniah, Y Griffo, R Tickoo, A Wiesenthal, S D Horn, C E Inturrisi
The Memorial Sloan-Kettering Pain Registry contains patient characteristics, treatments, and outcomes for a prospective cohort of 1534 chronic pain cancer patients who were seen at outpatient pain service clinics. Average pain intensity (Brief Pain Inventory) was reported as mild by 24.6% of patients, moderate by 41.5%, and severe by 33.9%. The patient's report of average percent pain relief and health state (EQ-5D) was inversely related to average pain intensity category, while measures of pain interference, number of worst pain locations, and physical and psychological distress were directly related to pain intensity category...
November 14, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29152824/can-nomograms-predict-preoperative-axillary-lymph-node-metastasis-in-patients-with-breast-cancer-to-guide-second-look-ultrasonography
#4
Ameerah Azmil, Gaurav Jyoti Bansal
OBJECTIVES: The low sensitivity of ultrasonography (US) for diagnosing axillary lymph node metastasis in patients with breast cancer has led to the development of multiple tools in an attempt to increase preoperative sensitivity, including second-look US. We compared axillary lymph node metastasis predictor scores with postsurgical findings, using the Memorial Sloan Kettering Cancer Center (MSKCC; New York, NY) and Evidencio (www.evidencio.com) nomograms: 2 freely available online predictor tools...
November 20, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29152083/programmed-cell-death-1-expression-is-associated-with-inferior-survival-in-patients-with-primary-central-nervous-system-lymphoma
#5
Hyunsoo Cho, Se Hoon Kim, Soo-Jeong Kim, Jong Hee Chang, Woo-Ick Yang, Chang-Ok Suh, Yu Ri Kim, Ji Eun Jang, June-Won Cheong, Yoo Hong Min, Jin Seok Kim
Programmed cell death 1 (PD-1) and its ligands PD-L1/PD-L2 have been shown to mediate immune evasion in various cancers, but their prognostic implications in patients with primary central nervous system lymphoma (PCNSL) are poorly understood. Therefore, we analyzed 76 PCNSL patients at initial diagnosis who were treated homogenously with high-dose methotrexate-based chemotherapy, and evaluated the prognostic roles of high immunohistochemical PD-1, PD-L1, and PD-L2 expression. The cut-off values for high PD-1 (≥ 70 cells/high power field [HPF]), PD-L1 (≥ 100 cells/HPF), and PD-L2 (≥ 100 cells/HPF) were determined by the area under the receiver operating characteristic curve...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29148749/glycosyl-cross-coupling-of-anomeric-nucleophiles-scope-mechanism-and-applications-in-the-synthesis-of-aryl-c-glycosides
#6
Feng Zhu, Jacob Rodriguez, Tianyi Yang, Ilia Kevlishvili, Eric Miller, Duk Yi, Sloane O'Neill, Michael Rourke, Peng Liu, Maciej A Walczak
Stereoselective manipulations at the C1 anomeric position of saccharides are one of the central goals of preparative carbohydrate chemistry. Historically, the majority of reactions forming a bond with anomeric carbon has focused on reactions of nucleophiles with saccharide donors equipped with a leaving group. Here, we describe a novel approach to stereoselective synthesis of C-aryl glycosides capitalizing on the highly stereospecific reaction of anomeric nucleophiles. First, methods for the preparation of anomeric stannanes have been developed and optimized to afford both anomers of common saccharides in high anomeric selectivities...
November 17, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29148610/can-coordination-driven-supramolecular-self-assembly-reactions-be-conducted-from-fully-aliphatic-linkers
#7
Christophe Lescop, Mehdi Elsayed Moussa, Sloane Evariste, Barbara Kräemer, Régis Réau, Manfred Scheer
A series of fully aliphatic cyano-capped ditopic linkers with increasing lengths were reacted with a pre-assembled Cu(I) bimetallic molecular clip bearing short intermetallic distances. It is shown that, depending on the length of the ditopic linkers, a rational design of unprecedented supramolecular compact metallacycles bearing fully aliphatic walls is possible. The specific pre-organized molecular arrangement of the molecular clip used favors stabilizing interlinker London dispersion interactions allowing, as the linkers' lengths increase, the selective formation of discrete compact metallacycles at the expense of 1D coordination polymers...
November 17, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/29146881/beta-adrenergic-signaling-impairs-anti-tumor-cd8-t-cell-responses-to-b-cell-lymphoma-immunotherapy
#8
Michael D Nissen, Erica K Sloan, Stephen R Mattarollo
Beta-adrenergic receptor (betaAR) signaling regulates many physiological processes, including immune system responses. There is growing evidence also for betaAR-induced modulation of cancer growth and metastasis. In the Eu-myc mouse model of B-cell lymphoma, we investigated the effects of chronically elevated betaAR signaling on lymphoma progression and anti-tumor immunity, as well as the impact on cancer immunotherapy. Chronic treatment with the non-selective beta-agonist isoprenaline promoted lymphoma development in a manner dependent on signaling within the hematopoietic compartment...
November 16, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/29146616/therapeutic-potential-of-afatinib-for-cancers-with-erbb2-her2-transmembrane-domain-mutations-g660d-and-v659e
#9
Hiromasa Yamamoto, Shinichi Toyooka, Takashi Ninomiya, Shigemi Matsumoto, Masashi Kanai, Shuta Tomida, Katsuyuki Kiura, Manabu Muto, Ken Suzawa, Patrice Desmeules, Mark G Kris, Bob T Li, Marc Ladanyi
We previously reported on a family with hereditary lung cancer, in which a germline mutation in the transmembrane domain (G660D) of avian erythroblastic leukemia viral oncogene homolog 2 (erb-b2 receptor tyrosine kinase 2) (ERBB2; human epidermal growth factor receptor 2 [HER2]) seemed to be responsible for the cancer predisposition. Although few data are available on treatment, anti-ERBB2 therapeutic agents may be effective for ERBB2-mutant cancers. The familial lung cancer patient in one of the authors' institutes developed bone metastasis with enlarging lung tumors and was treated with the ERBB2 inhibitor afatinib...
November 16, 2017: Oncologist
https://www.readbyqxmd.com/read/29138060/racial-disparities-and-insurance-status-an-epidemiologic-analysis-of-ohio-melanoma-patients
#10
Laura Kooistra, Katherine Chiang, Sean Dawes, Haley Gittleman, Jill Barnholtz-Sloan, Jeremy Bordeaux
No abstract text is available yet for this article.
November 11, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29131092/value-of-intraoperative-parathyroid-hormone-assay-during-parathyroidectomy-in-dialysis-and-renal-transplant-patients-with-secondary-and-tertiary-hyperparathyroidism
#11
Amr El-Husseini, Kevin Wang, Annick Edon, David Saxon, Florence Lima, David Sloan, B Peter Sawaya
BACKGROUND: In dialysis and renal transplant patients with secondary and tertiary hyperparathyroidism (HPT), the value of intraoperative parathyroid hormone (ioPTH) during parathyroidectomy (PTX) and its association with long-term PTH levels are unknown. The present study aims at evaluating the relationship of ioPTH with long-term PTH levels post-PTX in dialysis and renal transplant patients in a single-center study. METHODS: The ioPTH was measured in 57 dialysis patients (33 females and 24 males) and 18 renal transplant recipients (12 males and 6 females) who underwent PTX from 2005 to 2015 for refractory HPT...
November 9, 2017: Nephron
https://www.readbyqxmd.com/read/29126249/the-encyclopedia-of-dna-elements-encode-data-portal-update
#12
Carrie A Davis, Benjamin C Hitz, Cricket A Sloan, Esther T Chan, Jean M Davidson, Idan Gabdank, Jason A Hilton, Kriti Jain, Ulugbek K Baymuradov, Aditi K Narayanan, Kathrina C Onate, Keenan Graham, Stuart R Miyasato, Timothy R Dreszer, J Seth Strattan, Otto Jolanki, Forrest Y Tanaka, J Michael Cherry
The Encyclopedia of DNA Elements (ENCODE) Data Coordinating Center has developed the ENCODE Portal database and website as the source for the data and metadata generated by the ENCODE Consortium. Two principles have motivated the design. First, experimental protocols, analytical procedures and the data themselves should be made publicly accessible through a coherent, web-based search and download interface. Second, the same interface should serve carefully curated metadata that record the provenance of the data and justify its interpretation in biological terms...
November 6, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29125905/arthritis-after-cancer-immunotherapy-symptom-duration-and-treatment-response
#13
Melanie H Smith, Anne R Bass
OBJECTIVE: Musculoskeletal manifestations of immune related adverse events (irAEs) after checkpoint inhibitor immunotherapy for cancer remain incompletely characterized and poorly understood. A recently published case series suggested that immunotherapy-induced arthritis is an aggressive process requiring high dose corticosteroids. METHODS: This was a retrospective chart review of all patients with musculoskeletal irAEs first seen by one of the authors between 2014 and 2016...
November 10, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/29124911/first-north-american-validation-and-head-to-head-comparison-of-four-preoperative-nomograms-for-prediction-of-lymph-node-invasion-before-radical-prostatectomy
#14
Marco Bandini, Michele Marchioni, Raisa S Pompe, Zhe Tian, Giorgio Gandaglia, Nicola Fossati, Firas Abdollah, Markus Graefen, Francesco Montorsi, Fred Saad, Shahrokh F Shariat, Alberto Briganti, Pierre I Karakiewicz
OBJECTIVES: To perform a head-to-head comparison of four nomograms, namely the Cagiannos, the 2012-Briganti, the Godoy and the online-Memorial Sloan Kettering Cancer Center (MSKCC), for prediction of lymph node invasion (LNI) in a North American population. MATERIALS & METHODS: 19,775 clinically localized prostate cancer (PCa) patients underwent radical prostatectomy and pelvic lymph node dissection (PLND) were identified within the Surveillance Epidemiology and End Results (SEER) database...
November 10, 2017: BJU International
https://www.readbyqxmd.com/read/29121144/positron-emission-tomography-computed-tomography-based-assessments-of-androgen-receptor-expression-and-glycolytic-activity-as-a-prognostic-biomarker-for-metastatic-castration-resistant-prostate-cancer
#15
Josef J Fox, Somali C Gavane, Estelle Blanc-Autran, Sadek Nehmeh, Mithat Gönen, Brad Beattie, Hebert A Vargas, Heiko Schöder, John L Humm, Samson W Fine, Jason S Lewis, Stephen B Solomon, Joseph R Osborne, Darren Veach, Charles L Sawyers, Wolfgang A Weber, Howard I Scher, Michael J Morris, Steven M Larson
Importance: Androgen receptor-signaling inhibitor (ARSi) drugs prolong life in metastatic castration-resistant prostate cancer (mCRPC), but such tumors eventually become resistant and progress. Comprehensive positron emission tomography/computed tomography (PET/CT) imaging using fluoro-2-D-deoxyglucose F 18 ([18F]-FDG) for glycolysis (Glyc) and fluorodihydrotestosterone F 18 ([18F]-FDHT) for androgen receptor (AR) expression determine heterogeneity of imaging phenotypes, which may be useful in distinguishing patients who will benefit from ARSi drugs from those who need alternative treatments...
November 9, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29121096/personal-exposure-to-fine-particulate-air-pollution-while-commuting-an-examination-of-six-transport-modes-on-an-urban-arterial-roadway
#16
Robert A Chaney, Chantel D Sloan, Victoria C Cooper, Daniel R Robinson, Nathan R Hendrickson, Tyler A McCord, James D Johnston
Traffic-related air pollution in urban areas contributes significantly to commuters' daily PM2.5 exposures, but varies widely depending on mode of commuting. To date, studies show conflicting results for PM2.5 exposures based on mode of commuting, and few studies compare multiple modes of transportation simultaneously along a common route, making inter-modal comparisons difficult. In this study, we examined breathing zone PM2.5 exposures for six different modes of commuting (bicycle, walking, driving with windows open and closed, bus, and light-rail train) simultaneously on a single 2...
2017: PloS One
https://www.readbyqxmd.com/read/29120465/resonance-raman-detection-of-antioxidants-using-an-iron-oxide-nanoparticle-catalysed-decolourisation-assay
#17
Sian Sloan-Dennison, Neil C Shand, Duncan Graham, Karen Faulds
Nanozymes are metal nanoparticles with catalytic properties that can be used to oxidise peroxidase substrates giving a colorimetric response which can be detected using UV-vis, and recently, Raman spectroscopy. Due to their ease of synthesis and increased stability, nanozymes are being increasing investigated to replace conventional enzymes for the detection of biomolecules. Here we exploit the catalytic activity of iron oxide (Fe2O3) nanoparticles combined with the substrate 2,2-azinobis(3-ethyl-benzothiazoline-6-sulfonic acid) (ABTS) in a decolourisation assay for the detection of antioxidants...
November 9, 2017: Analyst
https://www.readbyqxmd.com/read/29117289/cbtrus-statistical-report-primary-brain-and-other-central-nervous-system-tumors-diagnosed-in-the-united-states-in-2010-2014
#18
Quinn T Ostrom, Haley Gittleman, Peter Liao, Toni Vecchione-Koval, Yingli Wolinsky, Carol Kruchko, Jill S Barnholtz-Sloan
No abstract text is available yet for this article.
November 6, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/29113426/activating-mutation-of-pdgfrb-gene-in-a-rare-cardiac-undifferentiated-intimal-sarcoma-of-the-left-atrium-a-case-report
#19
Xiaoling Fu, Weixin Niu, Ji Li, Amber J Kiliti, Hikmat A Al-Ahmadie, Gopa Iyer, Sizhi Paul Gao, Qi Li
Cardiac sarcoma is a rare malignant tumor with undefined genetic mutations and no targeted therapy. Here in one rare case of undifferentiated cardiac intimal sarcoma (IS), a next-generation sequencing based assay, MSK-IMPACT (Memorial Sloan Kettering - Integrated Mutation Profiling of Actionable Cancer Targets), identified a somatic, activating mutation in PDGFRB, along with amplification of PDGFRA. This E472D mutation of PDGFRB was discovered for the first time in IS. These findings suggest that concurrent aberrant PDGFRA and PDGFRB signaling may be a diagnostic biomarker and molecular therapeutic target of IS of the heart...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29108268/inherent-characteristics-of-metachronous-metastatic-renal-cell-carcinoma-in-the-era-of-targeted-agents
#20
Jang Hee Han, Seung Hwan Lee, Won Sik Ham, Woong Kyu Han, Koon Ho Rha, Young Deuk Choi, Sung Joon Hong, Young Eun Yoon
Background: To assess the prognostic and predictive factors of time to treatment failure (TTF) and overall survival (OS), respectively, in patients with metachronous metastatic renal cell carcinoma (mRCC) who were treated with targeted agents. Materials and Methods: We retrospectively reviewed metachronous mRCC patients, defined as individuals diagnosed with metastatic disease >3 months after initial nephrectomy, treated at an institute since 2005. Cox proportional hazard regression analysis was performed to discover the most determinant variables associated with TTF and OS...
October 3, 2017: Oncotarget
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