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https://www.readbyqxmd.com/read/28527006/analysis-of-surgical-and-mri-factors-associated-with-cerebellar-mutism
#1
Anjali Sergeant, Michelle Masayo Kameda-Smith, Branavan Manoranjan, Brij Karmur, JoAnn Duckworth, Tina Petrelli, Katey Savage, Olufemi Ajani, Blake Yarascavitch, M Constantine Samaan, Katrin Scheinemann, Cheryl Alyman, Saleh Almenawer, Forough Farrokhyar, Adam J Fleming, Sheila Kumari Singh, Nina Stein
The surgical risk factors and neuro-imaging characteristics associated with cerebellar mutism (CM) remain unclear and require further investigation. Therefore, we aimed to examine surgical and MRI findings associated with CM in children following posterior fossa tumor resection. Using our data registry, we retrospectively collected data from pediatric patients who acquired CM and were matched based on age and pathology type with individuals who did not acquire CM after posterior fossa surgery. The strength of association between surgical and MRI variables and CM were examined using odds ratios (ORs) and corresponding 95% confidence intervals (CIs)...
May 19, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28526733/discovery-and-optimization-of-hkt288-a-cadherin-6-targeting-adc-for-the-treatment-of-ovarian-and-renal-cancer
#2
Carl U Bialucha, Scott D Collins, Xiao Li, Parmita Saxena, Xiamei Zhang, Clemens Dürr, Bruno LaFont, Pierric Prieur, Yeonju Shim, Rebecca Mosher, David Lee, Lance Ostrom, Tiancen Hu, Sanela Bilic, Ivana Liric Rajlic, Vladimir Capka, Wei Jiang, Joel P Wagner, GiNell Elliott, Artur Veloso, Jessica C Piel, Meghan M Flaherty, Keith G Mansfield, Emily K Meseck, Tina Rubic-Schneider, Anne Serdakowski London, William R Tschantz, Markus Kurz, Duc Nguyen, Aaron Bourret, Matthew J Meyer, Jason E Faris, Mary J Janatpour, Vivien W Chan, Nicholas C Yoder, Kalli C Catcott, Molly A McShea, Xiuxia Sun, Hui Gao, Juliet Williams, Francesco Hofmann, Jeffrey A Engelman, Seth A Ettenberg, William R Sellers, Emma Lees
Despite an improving therapeutic landscape, significant challenges remain in treating the majority of advanced ovarian and renal cancer patients. We identified the cell-cell adhesion molecule cadherin-6 (CDH6) as a lineage gene having significant differential expression in ovarian and kidney cancer. HKT288 is an optimized CDH6-targeting DM4-based antibody drug conjugate (ADC) developed for the treatment of these diseases. Our study provides mechanistic evidence supporting the importance of linker choice for optimal anti-tumor activity and highlights CDH6 as a novel antigen for biotherapeutic development...
May 19, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28525467/analysis-of-cervical-angiograms-in-cervical-spine-trauma-patients-does-it-make-a-difference
#3
Tina Dreger, Howard Place, Theresa Mattingly, Christine Piper, Jennifer Brechbuehler
STUDY DESIGN: Retrospective review. OBJECTIVE: To evaluate computed tomography angiogram (CTA) use for diagnosing blunt vertebral artery injury (BVAI) at a single institution, to assess the incidence of BVAI in the studied population, and determine if diagnosis affected care. We also wanted to evaluate if testing and treatment resulted in complications. SUMMARY OF BACKGROUND DATA: BVAI is an example of a previously underdiagnosed injury. Ease of CTA has simplified vertebral artery evaluation...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525363/targeted-sequencing-of-tonsillar-and-base-of-tongue-cancer-and-human-papillomavirus-positive-unknown-primary-of-the-head-and-neck-reveals-prognostic-effects-of-mutated-fgfr3
#4
Cinzia Bersani, Lars Sivars, Linnea Haeggblom, Sebastian DiLorenzo, Michael Mints, Andreas Ährlund-Richter, Nikolaos Tertipis, Eva Munck-Wikland, Anders Näsman, Torbjörn Ramqvist, Tina Dalianis
BACKGROUND: Human papillomavirus positive (HPV+) tonsillar cancer (TSCC), base of tongue cancer (BOTSCC) and unknown primary cancer of the head and neck (HNCUP) have better outcome than corresponding HPV- cancers. To find predictive markers for response to treatment, and correlations and differences in mutated oncogenes and suppressor genes between HPV+ TSCC/BOTSSCC and HPV+ HNCUP and HPV- TSCC/BOTSCC targeted next-generation sequencing was performed of frequently mutated regions in 50 cancer related genes...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28523381/national-clinical-guidelines-for-non-surgical-treatment-of-patients-with-recent-onset-neck-pain-or-cervical-radiculopathy
#5
REVIEW
Per Kjaer, Alice Kongsted, Jan Hartvigsen, Alexander Isenberg-Jørgensen, Berit Schiøttz-Christensen, Bolette Søborg, Charlotte Krog, Christian Martin Møller, Christine Marie Bækø Halling, Henrik Hein Lauridsen, Inge Ris Hansen, Jesper Nørregaard, Karsten Juhl Jørgensen, Lars Valentin Hansen, Marie Jakobsen, Martin Bach Jensen, Martin Melbye, Peter Duel, Steffan W Christensen, Tina Myung Povlsen
PURPOSE: To summarise recommendations about 21 selected non-surgical interventions for recent onset (<12 weeks) non-specific neck pain (NP) and cervical radiculopathy (CR) based on two guidelines from the Danish Health Authority. METHODS: Two multidisciplinary working groups formulated recommendations based on the GRADE approach. RESULTS: Twelve recommendations were based on evidence and nine on consensus. Management should include information about prognosis, warning signs, and advise to remain active...
May 18, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28523107/encapsulation-of-mitoxantrone-within-cucurbit-8-uril-decreases-toxicity-and-enhances-survival-in-a-mouse-model-of-cancer
#6
Shyam K Konda, Ruqaya Maliki, Sean McGrath, Belinda S Parker, Tina Robinson, Alex Spurling, Alison Cheong, Peter Lock, Paul J Pigram, Don R Phillips, Lynne Wallace, Anthony I Day, J Grant Collins, Suzanne M Cutts
Mitoxantrone was efficiently encapsulated within cucurbit[8]uril in a 2:1 complex where the two mitoxantrone molecules were symmetrically located through both portals of a cucurbit[8]uril cage. The novel complex facilitates increased mitoxantrone uptake in mouse breast cancer cells and decreases the toxicity of the drug in healthy mice. In an orthotopic mouse model of metastatic breast cancer the complex still maintains in vivo anticancer activity compared to the free drug, yet provides a statistically significant increase in the survival of these mice compared to conventional mitoxantrone treatment...
May 11, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28521645/exploring-protective-strategies-among-rural-women-in-an-abusive-relationship
#7
Kim M Anderson, Lynette M Renner, Tina L Bloom
The purpose of this study was to explore rural women's accounts of intimate partner violence and the strategies they used to protect themselves from such adversity. Convenience sampling included women currently in an abusive relationship (N = 22), who were receiving mental health services at a rural victim-service provider. Standardized measures indicated, on average, that study participants were symptomatic for depression, anxiety and posttraumatic stress disorder (PTSD), yet exhibited higher resilience than other PTSD populations...
May 19, 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28521079/association-between-cyp4f2-genotype-and-circulating-plasma-vitamin-k-concentration-in-children-on-chronic-warfarin-therapy-possible-long-term-implications-for-bone-development-and-vascular-health
#8
Emmanouela Kampouraki, Peter J Avery, Tina Biss, Farhad Kamali
Vitamin K is essential, for the activation of clotting proteins, as well as the biosynthesis of osteocalcin in bones and the activation of matrix-Gla protein needed in maintaining vasculature health. Cytochrome p450 4F2 (CYP4F2) enzyme is involved in vitamin K catabolism. Genetic polymorphism in CYP4F2 is thus likely to affect vitamin K systemic availability. We show that children on chronic warfarin therapy have low levels of vitamin K and vitamin K levels are linked to CYP4F2 genotype. Long-term low levels of vitamin K, influenced by CYP4F2 genotype, might affect bone development and vascular health in children on chronic warfarin therapy...
May 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28520487/chemical-risk-assessment-traditional-vs-public-health-perspectives
#9
Maureen R Gwinn, Daniel A Axelrad, Tina Bahadori, David Bussard, Wayne E Cascio, Kacee Deener, David Dix, Russell S Thomas, Robert J Kavlock, Thomas A Burke
Preventing adverse health effects of environmental chemical exposure is fundamental to protecting individual and public health. When done efficiently and properly, chemical risk assessment enables risk management actions that minimize the incidence and effects of environmentally induced diseases related to chemical exposure. However, traditional chemical risk assessment is faced with multiple challenges with respect to predicting and preventing disease in human populations, and epidemiological studies increasingly report observations of adverse health effects at exposure levels predicted from animal studies to be safe for humans...
May 18, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28515214/assessment-of-a-new-lower-cost-real-time-pcr-detection-assay-for-high-risk-hpv-useful-for-cervical-screening-in-limited-resource-settings
#10
Joel Fokom Domgue, Mark Schiffman, Nicolas H Wentzensen, Julia C Gage, Philip E Castle, Tina R Raine-Bennett, Barbara Fetterman, Thomas Lorey, Nancy E Poitras, Brian Befano, Yi Xie, Lais S Miachon, Michael Dean
Background Inexpensive and easy-to-perform HPV tests are needed for primary cervical cancer screening in lower-resource regions.Methods In a convenience sample of 516 residual exfoliative cervical specimens from the Kaiser Permanente Northern California and US National Cancer Institute Persistence and Progression study, we compared agreement and clinical performance of a simple, inexpensive real-time PCR assay for detection of 13 carcinogenic HPV types (H13, Hybribio, Hong Kong) that is marketed in limited resource settings, to previous testing by HC2 (Qiagen, Germantown, MD) and Onclarity (BD Diagnostics, Sparks, MD)...
May 17, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28512015/the-association-between-mir-34-dysregulation-and-distant-metastases-formation-in-lung-adenocarcinoma
#11
Iben Daugaard, Alice Knudsen, Tina E Kjeldsen, Henrik Hager, Lise Lotte Hansen
Lung cancer has the highest mortality rate amongst human cancers and the majority of deaths can be attributed to metastatic spread. The miR-34 family includes three tumor suppressive miRs: miR-34a, miR-34b and miR-34c. miR-34 downregulation is a frequent observation in human malignancies and is often attributed to hypermethylation of the miR-34a and miR-34b/c promoters. Here, the potential association between aberrant miR-34 expression and promoter methylation and distant metastases formation in lung adenocarcinoma (LAC) is investigated...
May 13, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28510699/invasive-pneumococcal-disease-in-infants-aged-0-60-days-in-the-united-states-in-the-13-valent-pneumococcal-conjugate-vaccine-era
#12
Liset Olarte, William J Barson, John S Bradley, Tina Q Tan, Philana Ling Lin, José R Romero, Laurence B Givner, Jill A Hoffman, Kristina G Hultén, Edward O Mason, Sheldon L Kaplan
We identified 53 infants aged 0-60 days with invasive pneumococcal disease (IPD) at 8 children's hospitals in the United States (2005-2015). After the introduction of 13-valent pneumococcal conjugate vaccine (PCV13), IPD caused by PCV13 serotypes decreased ~30% providing some evidence of indirect protection. However, approximately 60% of IPD was still caused by PCV13 serotypes.
May 16, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28510323/a-systematic-review-and-pooled-analysis-of-select-safety-parameters-among-normal-healthy-volunteers-taking-placebo-in-phase-1-clinical-trials
#13
Tina C Young, Subasree Srinivasan, Marion L Vetter, Venkat Sethuraman, Zubin Bhagwagar, Ricardo Zwirtes, Premkumar Narasimhan, Tilda Chuang, Brendan J Smyth
A systematic review of the Bristol-Myers Squibb normal healthy volunteers (NHVs) database identified phase 1 trials that included NHVs administered placebo with the aim of characterizing normal inter- and intraindividual safety parameter variability. Twenty-five single and multiple ascending dose studies, median duration 28 (2 to 63) days, were included in the pooled analysis (355 NHVs). Laboratory evaluations, vital signs, electrocardiograms, and adverse events were assessed. The most commonly occurring adverse event was headache (28 [7...
May 16, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28507719/broad-substrate-tolerance-of-tubulin-tyrosine-ligase-enables-one-step-site-specific-enzymatic-protein-labeling
#14
Dominik Schumacher, Oliver Lemke, Jonas Helma, Lena Gerszonowicz, Verena Waller, Tina Stoschek, Patrick M Durkin, Nediljko Budisa, Heinrich Leonhardt, Bettina G Keller, Christian P R Hackenberger
The broad substrate tolerance of tubulin tyrosine ligase is the basic rationale behind its wide applicability for chemoenzymatic protein functionalization. In this context, we report that the wild-type enzyme enables ligation of various unnatural amino acids that are substantially bigger than and structurally unrelated to the natural substrate, tyrosine, without the need for extensive protein engineering. This unusual substrate flexibility is due to the fact that the enzyme's catalytic pocket forms an extended cavity during ligation, as confirmed by docking experiments and all-atom molecular dynamics simulations...
May 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28506913/predicting-determinants-of-atrial-fibrillation-or-flutter-for-therapy-elucidation-in-patients-at-risk-for-thromboembolic-events-predate-af-study
#15
Javed M Nasir, William Pomeroy, Adam Marler, Matthew Hann, Tina Baykaner, Ronald Jones, Richard Stoll, Katherine Hursey, Angela Meadows, Jennifer Walker, Steve Kindsvater
BACKGROUND: Atrial fibrillation (AF) is the most common clinically significant cardiac rhythm disorder. There is considerable interest in screening for AF, as it is a leading cause of stroke, and oral anticoagulants (OACs) have been shown to significantly reduce the risk of stroke in patients with AF. Improved screening for AF with subsequent treatment may help improve long-term outcomes, but the optimal patient population and screening intensity are unknown. OBJECTIVES: In this study, we prospectively evaluated the use of the CHA2DS2-VASc score for the prediction of new-onset AF using insertable cardiac monitors (ICMs) and examined whether this screening led to the initiation of OAC therapy...
May 12, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28506822/the-effect-of-prophylactic-vertebroplasty-on-the-incidence-of-proximal-junctional-kyphosis-and-proximal-junctional-failure-following-posterior-spinal-fusion-in-adult-spinal-deformity-a-5-year-follow-up-study
#16
Tina Raman, Emily Miller, Christopher T Martin, Khaled Kebaish
BACKGROUND CONTEXT: The incidence of proximal junctional kyphosis (PJK) ranges from 5-46% following adult spinal deformity (ASD) surgery. Approximately 66-76% of PJK occurs within 3 months of surgery. A subset of these patients, reportedly 26-47%, develop proximal junctional failure (PJF) within 6 months postoperatively. To date, there are no studies evaluating the impact of prophylactic vertebroplasty on PJK/PJF incidence at long term follow-up. PURPOSE: The purpose of this study is to evaluate the long term radiographic and clinical outcomes, and incidence of PJK and PJF, after prophylactic vertebroplasty for long segment thoracolumbar posterior spinal fusion...
May 12, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28506388/discordant-response-of-low-density-lipoprotein-cholesterol-and-lipoprotein-a-levels-to-monoclonal-antibodies-targeting-proprotein-convertase-subtilisin-kexin-type-9
#17
Jonathan B Edmiston, Nathan Brooks, Hagai Tavori, Jessica Minnier, Bart Duell, Jonathan Q Purnell, Tina Kaufman, Cezary Wojcik, Szilard Voros, Sergio Fazio, Michael D Shapiro
BACKGROUND: Clinical trials testing proprotein convertase subtilisin/kexin type 9 inhibitors (PCSK9i) have demonstrated an unanticipated but significant lipoprotein (a) (Lp(a))-lowering effect, on the order of 25% to 30%. Although the 50% to 60% reduction in low-density lipoprotein (LDL)-cholesterol (LDL-C) achieved by PCSK9i is mediated through its effect on LDL receptor (LDLR) preservation, the mechanism for Lp(a) lowering is unknown. OBJECTIVE: We sought to characterize the degree of concordance between LDL-C and Lp(a) lowering because of PCSK9i in a standard of care patient cohort...
May 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28506068/viologen-based-conjugated-covalent-organic-networks-via-zincke-reaction
#18
Gobinda Das, Tina Skorjanc, Sudhir Kumar Sharma, Felipe Gándara, Matteo Lusi, D S Shankar Rao, Sridurai Vimala, Subbarao Krishna Prasad, Jesus Raya, Dong Suk Han, Ramesh Jagannathan, John-Carl Olsen, Ali Trabolsi
Morphology influences the functionality of covalent organic networks and determines potential applica-tions. Here, we report for the first time the use of Zincke reaction to fabricate, under either solvothermal or microwave conditions, a viologen-linked covalent organic network in the form of hollow particles or nanosheets. The synthesized materials are stable in acidic, neutral and basic aqueous solutions. Under basic conditions, the neutral network as-sumes radical cationic character without decomposing or changing structure...
May 16, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28503173/microbial-community-response-to-simulated-petroleum-seepage-in-caspian-sea-sediments
#19
Marion H Stagars, Sonakshi Mishra, Tina Treude, Rudolf Amann, Katrin Knittel
Anaerobic microbial hydrocarbon degradation is a major biogeochemical process at marine seeps. Here we studied the response of the microbial community to petroleum seepage simulated for 190 days in a sediment core from the Caspian Sea using a sediment-oil-flow-through (SOFT) system. Untreated (without simulated petroleum seepage) and SOFT sediment microbial communities shared 43% bacterial genus-level 16S rRNA-based operational taxonomic units (OTU0.945) but shared only 23% archaeal OTU0.945. The community differed significantly between sediment layers...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28503172/hydrocarbon-degradation-in-caspian-sea-sediment-cores-subjected-to-simulated-petroleum-seepage-in-a-newly-designed-sediment-oil-flow-through-system
#20
Sonakshi Mishra, Peggy Wefers, Mark Schmidt, Katrin Knittel, Martin Krüger, Marion H Stagars, Tina Treude
The microbial community response to petroleum seepage was investigated in a whole round sediment core (16 cm length) collected nearby natural hydrocarbon seepage structures in the Caspian Sea, using a newly developed Sediment-Oil-Flow-Through (SOFT) system. Distinct redox zones established and migrated vertically in the core during the 190 days-long simulated petroleum seepage. Methanogenic petroleum degradation was indicated by an increase in methane concentration from 8 μM in an untreated core compared to 2300 μM in the lower sulfate-free zone of the SOFT core at the end of the experiment, accompanied by a respective decrease in the δ(13)C signal of methane from -33...
2017: Frontiers in Microbiology
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