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https://www.readbyqxmd.com/read/28339568/varicella-in-a-previously-immune-patient-with-leukemia
#1
Michelle Sewnarine, Sujatha Rajan, Arlene Redner, Lorry G Rubin
Infection with varicella-zoster virus (VZV) in oncology patients can result in severe disease with an increased risk of morbidity and mortality [1, 2]. Among patients on cancer chemotherapy, only nonimmune persons are considered to be susceptible to varicella [1]. We present a case of varicella in a child with leukemia that occurred despite immunity as defined by 2 doses of varicella vaccine and documentation of positive VZV immunoglobulin G titer before initiation of chemotherapy.
January 19, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28338709/relationship-between-leaf-functional-traits-and-productivity-in-aquilaria-crassna-thymelaeaceae-plantations-a-tool-to-aid-in-the-early-selection-of-high-yielding-trees
#2
Arlene López-Sampson, Lucas A Cernusak, Tony Page
Physiological traits are frequently used as indicators of tree productivity. Aquilaria species growing in a research planting were studied to investigate relationships between leaf-productivity traits and tree growth. Twenty-eight trees were selected to measure isotopic composition of carbon (δ13C) and nitrogen (δ15N) and monitor six leaf attributes. Trees were sampled randomly within each of four diametric classes (at 150 mm above ground level) ensuring the variability in growth of the whole population was represented...
February 15, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28319053/alternatively-spliced-mu-opioid-receptor-c-termini-impact-the-diverse-actions-of-morphine
#3
Jin Xu, Zhigang Lu, Ankita Narayan, Valerie P Le Rouzic, Mingming Xu, Amanda Hunkele, Taylor G Brown, William F Hoefer, Grace C Rossi, Richard C Rice, Arlene Martínez-Rivera, Anjali M Rajadhyaksha, Luca Cartegni, Daniel L Bassoni, Gavril W Pasternak, Ying-Xian Pan
Extensive 3' alternative splicing of the mu opioid receptor gene OPRM1 creates multiple C-terminal splice variants. However, their behavioral relevance remains unknown. The present study generated 3 mutant mouse models with truncated C termini in 2 different mouse strains, C57BL/6J (B6) and 129/SvEv (129). One mouse truncated all C termini downstream of Oprm1 exon 3 (mE3M mice), while the other two selectively truncated C-terminal tails encoded by either exon 4 (mE4M mice) or exon 7 (mE7M mice). Studies of these mice revealed divergent roles for the C termini in morphine-induced behaviors, highlighting the importance of C-terminal variants in complex morphine actions...
March 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28302645/pd-l1-on-tumor-cells-is-sufficient-for-immune-evasion-in-immunogenic-tumors-and-inhibits-cd8-t-cell-cytotoxicity
#4
Vikram R Juneja, Kathleen A McGuire, Robert T Manguso, Martin W LaFleur, Natalie Collins, W Nicholas Haining, Gordon J Freeman, Arlene H Sharpe
It is unclear whether PD-L1 on tumor cells is sufficient for tumor immune evasion or simply correlates with an inflamed tumor microenvironment. We used three mouse tumor models sensitive to PD-1 blockade to evaluate the significance of PD-L1 on tumor versus nontumor cells. PD-L1 on nontumor cells is critical for inhibiting antitumor immunity in B16 melanoma and a genetically engineered melanoma. In contrast, PD-L1 on MC38 colorectal adenocarcinoma cells is sufficient to suppress antitumor immunity, as deletion of PD-L1 on highly immunogenic MC38 tumor cells allows effective antitumor immunity...
March 16, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28302090/characterizing-and-prognosticating-chronic-lymphocytic-leukemia-in-the-elderly-prospective-evaluation-on-455-patients-treated-in-the-united-states
#5
Chadi Nabhan, Anthony Mato, Christopher R Flowers, David L Grinblatt, Nicole Lamanna, Mark A Weiss, Matthew S Davids, Arlene S Swern, Shriya Bhushan, Kristen Sullivan, E Dawn Flick, Pavel Kiselev, Jeff P Sharman
BACKGROUND: Median age at diagnosis of patients with chronic lymphocytic leukemia (CLL) is > 70 years. However, the majority of clinical trials do not reflect the demographics of CLL patients treated in the community. We examined treatment patterns, outcomes, and disease-related mortality in patients ≥ 75 years with CLL (E-CLL) in a real-world setting. METHODS: The Connect® CLL registry is a multicenter, prospective observational cohort study, which enrolled 1494 adult patients between 2010-2014, at 199 US sites...
March 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28301894/transitions-in-care-for-infants-with-trisomy-13-or-18
#6
Jacquelyn Patterson, Genevieve Taylor, Melissa Smith, Sarah Dotters-Katz, Arlene M Davis, Wayne Price
Background and Objectives The scope of interventions offered to infants with trisomy 13 (T13) or trisomy 18 (T18) is increasing. We describe the spectrum of care provided, highlighting transitions in care for individual patients. Patients and Methods This is a single-center, retrospective cohort of infants with T13 or T18 born between 2004 and 2015. Initial care was classified as comfort care or intervention using prenatal counseling notes. Transitions in care were identified in the medical record. Results In this study, 25 infants were divided into two groups based on their care: neonates who experienced no transition in care and neonates who experienced at least one transition...
March 16, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28271155/not-gastroschisis-or-omphalocele-or-anything-in-between-a-novel-congenital-abdominal-wall-defect
#7
Maija Cheung, Nasser Kakembo, Arlene Muzira, John Sekabira, Doruk Ozgediz
Congenital abdominal wall defects occur when normal embryonic development is interrupted and most commonly results in gastroschisis or omphalocele. Other entities, such as ruptured omphalocele, vanishing gastroschisis, and patent omphalomesenteric ducts with prolapse, have also been described and can create a confusing picture. This case of a newborn with a midline abdominal defect and a mass that was intestine-like and arose from the bowel cannot be classified, and no similar reports were found. This suggests a previously undescribed abdominal wall defect with an aberrant colonic appendage...
March 7, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28258698/introduction-to-checkpoint-inhibitors-and-cancer-immunotherapy
#8
Arlene H Sharpe
No abstract text is available yet for this article.
March 2017: Immunological Reviews
https://www.readbyqxmd.com/read/28256916/long-term-risk-of-reproductive-cancer-among-vietnamese-women-using-the-quinacrine-hydrochloride-pellet-system-vs-intrauterine-devices-or-tubal-ligation-for-contraception
#9
Judith K Jones, Arlene Tave, John C Pezzullo, Sharon Kardia, Jack Lippes
OBJECTIVES: To determine the long-term risk of reproductive tract cancer in women using the quinacrine hydrochloride pellet system of permanent contraception (QS) relative to the comparable risk in women using Copper T intrauterine device (IUD) or tubal ligation surgery (TL) for long-term or permanent contraception. METHODS: This was a retrospective cohort study, conducted in the Northern Vietnamese provinces of Ha Nam, Nam Dinh, Ninh Binh and Thai Binh. Women who had their first QS procedure, last IUD insertion or TL between 1989 and 1996 were interviewed regarding post-procedure health outcomes, particularly reproductive tract cancers...
April 2017: European Journal of Contraception & Reproductive Health Care
https://www.readbyqxmd.com/read/28256423/validation-of-the-ureteral-diameter-ratio-for-predicting-early-spontaneous-resolution-of-primary-vesicoureteral-reflux
#10
Angela M Arlen, Andrew J Kirsch, Traci Leong, Christopher S Cooper
INTRODUCTION AND OBJECTIVE: Management of primary vesicoureteral reflux (VUR) remains controversial, and reflux grade currently constitutes an important prognostic factor. Previous reports have demonstrated that distal ureteral diameter ratio (UDR) may be more predictive of outcome than vesicoureteral reflux (VUR) grade. We performed an external validation study in young children, evaluating early spontaneous resolution rates relative to reflux grade and UDR. STUDY DESIGN: Voiding cystourethrograms (VCUGs) were reviewed...
February 14, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28254203/factors-associated-with-poor-controller-medication-use-in-children-with-high-asthma-emergency-department-use
#11
Arlene Butz, Tricia Morphew, Cassia Lewis-Land, Joan Kub, Melissa Bellin, Jean Ogborn, Shawna S Mudd, Mary Elizabeth Bollinger, Mona Tsoukleris
BACKGROUND: Understanding health and social factors associated with controller medication use in children with high-risk asthma may inform disease management in the home and community. OBJECTIVE: To examine health and social factors associated with the Asthma Medication Ratio (AMR), a measure of guideline-based care and controller medication use, in children with persistent asthma and frequent emergency department (ED) use. METHODS: Study questionnaires, serum allergen sensitization, salivary cotinine, and pharmacy record data were collected for 222 children enrolled from August 2013 to February 2016 in a randomized clinical trial that tested the efficacy of an ED- and home-based intervention...
February 18, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28218410/pharmacokinetics-and-pharmacodynamics-of-tolvaptan-in-autosomal-dominant-polycystic-kidney-disease-phase-2-trials-for-dose-selection-in-the-pivotal-phase-3-trial
#12
Susan E Shoaf, Arlene B Chapman, Vicente E Torres, John Ouyang, Frank S Czerwiec
In the pivotal TEMPO 3:4 trial, the arginine vasopressin V2-receptor antagonist tolvaptan reduced the rate of kidney growth in patients with autosomal dominant polycystic kidney disease. Tolvaptan was initiated as daily morning/afternoon doses of 45/15 mg, and uptitrated weekly to 60/30 mg and 90/30 mg according to patient-reported tolerability. The current report describes 3 phase 2 trials in adult autosomal dominant polycystic kidney disease subjects that were the basis for the titrated split-dose regimen: a single ascending-dose trial (tolvaptan 15 to 120 mg; n = 11), a multiple split-dose trial (tolvaptan 15/15 mg, 30/0 mg, 30/15 mg, and 30/30 mg; n = 37), and an 8-week open-label safety and efficacy trial in 46 of the 48 subjects who participated in the prior 2 trials (tolvaptan 30/15 mg, 45/15 mg, 60/30 mg, and 90/30 mg)...
February 20, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28217401/presence-of-arachidonoyl-carnitine-is-associated-with-adverse-cardiometabolic-responses-in-hypertensive-patients-treated-with-atenolol
#13
Liming Weng, Yan Gong, Jeffrey Culver, Stephen J Gardell, Christopher Petucci, Alison M Morse, Reginald F Frye, Stephen T Turner, Arlene Chapman, Eric Boerwinkle, John Gums, Amber L Beitelshees, Peggy R Borum, Julie A Johnson, Timothy J Garrett, Lauren M McIntyre, Rhonda M Cooper-DeHoff
INTRODUCTION: Atenolol, a commonly prescribed β blocker for hypertension, is also associated with adverse cardiometabolic effects such as hyperglycemia and dyslipidemia. Knowledge of the mechanistic underpinnings of these adverse effects of atenolol is incomplete. OBJECTIVE: We sought to identify biomarkers associated with risk for these untoward effects of atenolol. We measured baseline blood serum levels of acylcarnitines (ACs) that are involved in a host of different metabolic pathways, to establish associations with adverse cardiometabolic responses after atenolol treatment...
October 2016: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/28217400/novel-plasma-biomarker-of-atenolol-induced-hyperglycemia-identified-through-a-metabolomics-genomics-integrative-approach
#14
Felipe A de Oliveira, Mohamed H Shahin, Yan Gong, Caitrin W McDonough, Amber L Beitelshees, John G Gums, Arlene B Chapman, Eric Boerwinkle, Stephen T Turner, Reginald F Frye, Oliver Fiehn, Rima Kaddurah-Daouk, Julie A Johnson, Rhonda M Cooper-DeHoff
INTRODUCTION: While atenolol is an effective antihypertensive agent, its use is also associated with adverse events including hyperglycemia and incident diabetes that may offset the benefits of blood pressure lowering. By combining metabolomic and genomic data acquired from hypertensive individuals treated with atenolol, it may be possible to better understand the pathways that most impact the development of an adverse glycemic state. OBJECTIVE: To identify biomarkers that can help predict susceptibility to blood glucose excursions during exposure to atenolol...
August 2016: Metabolomics: Open Access
https://www.readbyqxmd.com/read/28213858/dysfunctional-voiders-medication-versus-urotherapy
#15
REVIEW
Angela M Arlen
PURPOSE OF REVIEW: Dysfunctional voiding is defined as "habitual contraction of the urethral sphincter during voiding." Children with dysfunctional voiding remain a challenge, and the approach to and management of LUT dysfunction varies widely among programs and providers with the role of pharmacotherapy being ill defined. RECENT FINDINGS: Animated biofeedback is the current treatment modality of choice in children who are not responsive to standard urotherapy. Comprehensive biofeedback programs incorporate continued elimination education, voiding diaries, and home exercises with high success rates...
February 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28212292/azacitidine-for-front-line-therapy-of-patients-with-aml-reproducible-efficacy-established-by-direct-comparison-of-international-phase-3-trial-data-with-registry-data-from-the-austrian-azacitidine-registry-of-the-agmt-study-group
#16
Lisa Pleyer, Hartmut Döhner, Hervé Dombret, John F Seymour, Andre C Schuh, C L Beach, Arlene S Swern, Sonja Burgstaller, Reinhard Stauder, Michael Girschikofsky, Heinz Sill, Konstantin Schlick, Josef Thaler, Britta Halter, Sigrid Machherndl Spandl, Armin Zebisch, Angelika Pichler, Michael Pfeilstöcker, Eva M Autzinger, Alois Lang, Klaus Geissler, Daniela Voskova, Wolfgang R Sperr, Sabine Hojas, Inga M Rogulj, Johannes Andel, Richard Greil
We recently published a clinically-meaningful improvement in median overall survival (OS) for patients with acute myeloid leukaemia (AML), >30% bone marrow (BM) blasts and white blood cell (WBC) count ≤15 G/L, treated with front-line azacitidine versus conventional care regimens within a phase 3 clinical trial (AZA-AML-001; NCT01074047; registered: February 2010). As results obtained in clinical trials are facing increased pressure to be confirmed by real-world data, we aimed to test whether data obtained in the AZA-AML-001 trial accurately represent observations made in routine clinical practice by analysing additional AML patients treated with azacitidine front-line within the Austrian Azacitidine Registry (AAR; NCT01595295; registered: May 2012) and directly comparing patient-level data of both cohorts...
February 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28197996/upfront-lower-dose-lenalidomide-is-less-toxic-and-does-not-compromise-efficacy-for-vulnerable-patients-with-relapsed-refractory-multiple-myeloma-final-analysis-of-the-phase-ii-revlite-study
#17
Hang Quach, Liam Fernyhough, Ross Henderson, Gillian Corbett, Bart Baker, Peter Browett, Hilary Blacklock, Cecily Forsyth, Craig Underhill, Paul Cannell, Judith Trotman, Annette Neylon, Simon Harrison, Emma Link, Arlene Swern, Linda Cowan, Meletios A Dimopoulos, H Miles Prince
The combination of lenalidomide and dexamethasone is an established treatment for patients with multiple myeloma (MM). Increasingly, treatment attenuation is advocated for frail/elderly patients to minimize toxicity even though there have been no prospective studies to demonstrate whether lenalidomide dose attenuation impacts on response and survival outcome. This prospective multicentre phase II study assessed the efficacy and tolerability of lower dose lenalidomide (15 mg) and dexamethasone (20 mg) in 149 eligible patients with relapsed/refractory MM aged over 59 years and/or with renal impairment...
February 15, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28196034/long-term-results-after-total-knee-arthroplasty-with-contemporary-rotating-hinge-prostheses
#18
Umberto Cottino, Matthew P Abdel, Kevin I Perry, Kristin C Mara, David G Lewallen, Arlen D Hanssen
BACKGROUND: Total knee arthroplasty (TKA) with a rotating-hinge prosthesis is considered a salvage procedure. While excellent immediate stability is achieved, the historically high failure rate has tempered its use. The goal of this study was to determine clinical outcomes, radiographic results, and survivorship after TKA with contemporary rotating-hinge components. METHODS: We identified 408 consecutive TKAs performed with rotating-hinge components for nononcologic indications from 2002 to 2012 at a single academic institution...
February 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28179369/nmd3-is-a-structural-mimic-of-eif5a-and-activates-the-cpgtpase-lsg1-during-60s-ribosome-biogenesis
#19
Andrey G Malyutin, Sharmishtha Musalgaonkar, Stephanie Patchett, Joachim Frank, Arlen W Johnson
During ribosome biogenesis in eukaryotes, nascent subunits are exported to the cytoplasm in a functionally inactive state. 60S subunits are activated through a series of cytoplasmic maturation events. The last known events in the cytoplasm are the release of Tif6 by Efl1 and Sdo1 and the release of the export adapter, Nmd3, by the GTPase Lsg1. Here, we have used cryo-electron microscopy to determine the structure of the 60S subunit bound by Nmd3, Lsg1, and Tif6. We find that a central domain of Nmd3 mimics the translation elongation factor eIF5A, inserting into the E site of the ribosome and pulling the L1 stalk into a closed position...
February 8, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28177850/what-i-learned-from-irene-hussels-maumenee
#20
Arlene V Drack
No abstract text is available yet for this article.
January 2017: Ophthalmic Genetics
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