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https://www.readbyqxmd.com/read/28438070/creation-of-a-novel-simulator-for-minimally-invasive-neurosurgery-fusion-of-3d-printing-and-special-effects
#1
Peter Weinstock, Roberta Rehder, Sanjay P Prabhu, Peter W Forbes, Christopher J Roussin, Alan R Cohen
OBJECTIVE Recent advances in optics and miniaturization have enabled the development of a growing number of minimally invasive procedures, yet innovative training methods for the use of these techniques remain lacking. Conventional teaching models, including cadavers and physical trainers as well as virtual reality platforms, are often expensive and ineffective. Newly developed 3D printing technologies can recreate patient-specific anatomy, but the stiffness of the materials limits fidelity to real-life surgical situations...
April 25, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28431621/two-decades-of-glatiramer-acetate-from-initial-discovery-to-the-current-development-of-generics
#2
REVIEW
Bianca Weinstock-Guttman, Kavita V Nair, Joseph L Glajch, Tanmoy C Ganguly, Daniel Kantor
Multiple sclerosis (MS) is a chronic, incurable, inflammatory disease of the central nervous system (CNS). In the United States, several US Food and Drug Administration (FDA)-approved disease-modifying treatments (DMTs) are available, including glatiramer acetate (GA; Copaxone®), one of the most longstanding treatments. GA was discovered serendipitously in the late 1960s/early 1970s while attempting to produce a synthetic antigen capable of inducing experimental autoimmune encephalomyelitis (EAE), an animal model of autoimmune inflammatory CNS disorders, including MS...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28427793/contribution-of-health-care-factors-to-the-burden-of-skin-disease-in-the-united-states
#3
Henry W Lim, Scott A B Collins, Jack S Resneck, Jean L Bolognia, Julie A Hodge, Thomas A Rohrer, Marta J Van Beek, David J Margolis, Arthur J Sober, Martin A Weinstock, David R Nerenz, Wendy Smith Begolka, Jose V Moyano
The American Academy of Dermatology has developed an up-to-date national Burden of Skin Disease Report on the impact of skin disease on patients and on the US population. In this second of 3 manuscripts, data are presented on specific health care dimensions that contribute to the overall burden of skin disease. Through the use of data derived from medical claims in 2013 for 24 skin disease categories, these results indicate that skin disease health care is delivered most frequently to the aging US population, who are afflicted with more skin diseases than other age groups...
April 17, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28384130/state-specific-rates-of-primary-and-secondary-syphilis-among-men-who-have-sex-with-men-united-states-2015
#4
Alex de Voux, Sarah Kidd, Jeremy A Grey, Eli S Rosenberg, Thomas L Gift, Hillard Weinstock, Kyle T Bernstein
In 2015, the rate of reported primary and secondary syphilis in the United States was 7.5 cases per 100,000 population, nearly four times the previous lowest documented rate of 2.1 in 2000 (1). In 2015, 81.7% of male primary and secondary syphilis cases with information on the sex of the sex partner were among gay, bisexual, and other men who have sex with men (collectively referred to as MSM) (1). These data suggest a disproportionate incidence of disease among MSM. However, attempts to quantify this disparity have been hindered by limited data on the size of the MSM population at the state level...
April 7, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28377416/spectrum-of-immune-related-conditions-associated-with-risk-of-keratinocyte-cancers-among-elderly-adults-in-the-united-states
#5
Elizabeth L Yanik, Ruth M Pfeiffer, D Michael Freedman, Martin A Weinstock, Elizabeth K Cahoon, Sarah T Arron, Matthew Chaloux, M Kari Connolly, Priyadharsini Nagarajan, Eric A Engels
Elevated keratinocyte carcinoma (KC) risk is present with several immune-related conditions, e.g., solid organ transplantation and non-Hodgkin lymphoma. Because many immune-related conditions are rare, their relationships with KC have not been studied. We used Medicare claims to identify cutaneous squamous cell carcinoma (SCC) and basal cell carcinoma (BCC) cases in 2012, and controls matched on sex and age. All subjects were aged 65-95 years, of white race, and had attended ≥1 dermatologist visit in 2010-2011...
April 4, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28373165/it-takes-a-village-to-unmask-hstl
#6
Noriaki Yoshida, David M Weinstock
In this issue of Cancer Discovery, McKinney and colleagues describe the genetics of hepatosplenic T-cell lymphoma, a rare subtype of T-cell lymphoma with unique clinical characteristics. The findings, specifically frequent mutations of STAT5B, PIK3CD, and the histone methyltransferase SETD2, may help guide translational efforts to target this deadly disease. Cancer Discov; 7(4); 352-3. ©2017 AACR.See related article by McKinney et al., p. 369.
April 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28369774/temporal-trends-in-healthcare-utilization-following-primary-melanoma-diagnosis-among-medicare-beneficiaries
#7
J P Lott, Q Wang, L J Titus, T Onega, H D Nelson, M A Weinstock, J G Elmore, A N A Tosteson
BACKGROUND: Despite increasing melanoma incidence in the United States, little is known about the impact of primary melanoma diagnosis on healthcare utilization and changes in utilization over time. OBJECTIVE: To evaluate population-based temporal trends in healthcare utilization following primary melanoma diagnosis. METHODS: We conducted a before-after multiple time series study of Medicare beneficiaries ages ≥66 years with primary melanoma diagnoses between 2000 and 2009 using the Surveillance, Epidemiology, and End Results-Medicare database...
March 30, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28369739/the-global-burden-of-melanoma-results-from-global-burden-of-disease-study-2015
#8
C Karimkhani, A C Green, T Nijsten, M A Weinstock, R P Dellavalle, M Naghavi, C Fitzmaurice
BACKGROUND: Despite recent improvements in prevention, diagnosis, and treatment, vast differences in melanoma burden still exist between populations. Comparative data can highlight these differences and lead to focused efforts to reduce the burden of melanoma. OBJECTIVES: To assess global, regional, and national melanoma incidence, mortality, and disability-adjusted life year (DALY) estimates from the Global Burden of Disease 2015 study. METHODS: Vital registration system and cancer registry data were used for melanoma mortality modeling...
March 30, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28356466/evidence-for-a-causal-relationship-between-low-vitamin-d-high-bmi-and-pediatric-onset-ms
#9
Milena A Gianfrancesco, Pernilla Stridh, Brooke Rhead, Xiaorong Shao, Edison Xu, Jennifer S Graves, Tanuja Chitnis, Amy Waldman, Timothy Lotze, Teri Schreiner, Anita Belman, Benjamin Greenberg, Bianca Weinstock-Guttman, Gregory Aaen, Jan M Tillema, Janace Hart, Stacy Caillier, Jayne Ness, Yolanda Harris, Jennifer Rubin, Meghan Candee, Lauren Krupp, Mark Gorman, Leslie Benson, Moses Rodriguez, Soe Mar, Ilana Kahn, John Rose, Shelly Roalstad, T Charles Casper, Ling Shen, Hong Quach, Diana Quach, Jan Hillert, Maria Bäärnhielm, Anna Hedstrom, Tomas Olsson, Ingrid Kockum, Lars Alfredsson, Catherine Metayer, Catherine Schaefer, Lisa F Barcellos, Emmanuelle Waubant
OBJECTIVE: To utilize Mendelian randomization to estimate the causal association between low serum vitamin D concentrations, increased body mass index (BMI), and pediatric-onset multiple sclerosis (MS) using genetic risk scores (GRS). METHODS: We constructed an instrumental variable for vitamin D (vitD GRS) by computing a GRS for 3 genetic variants associated with levels of 25(OH)D in serum using the estimated effect of each risk variant. A BMI GRS was also created that incorporates the cumulative effect of 97 variants associated with BMI...
March 29, 2017: Neurology
https://www.readbyqxmd.com/read/28332123/self-poisoning-suicide-deaths-in-people-with-bipolar-disorder-characterizing-a-subgroup-and-identifying-treatment-patterns
#10
Ayal Schaffer, Lauren M Weinstock, Mark Sinyor, Catherine Reis, Benjamin I Goldstein, Lakshmi N Yatham, Anthony J Levitt
OBJECTIVE: To characterize self-poisoning suicide deaths in BD compared to other suicide decedents. METHODS: Extracted coroner data from all suicide deaths (n = 3319) in Toronto, Canada from 1998 to 2012. Analyses of demographics, clinical history, recent stressors, and suicide details were conducted in 5 subgroups of suicide decedents: BD self-poisoning, BD other methods, non-BD self-poisoning, non-BD other methods, and unipolar depression self-poisoning. Toxicology results for lethal and present substances were also compared between BD and non-BD self-poisoning subgroups as well as between BD and unipolar depression self-poisoning subgroups...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28331640/a-case-of-hepatic-portal-venous-gas-hypothesis-of-a-transient-direct-communication-between-a-penetrating-antral-gastric-ulcer-and-mesenteric-varices
#11
Hassan M Ghoz, Shamlan M Sheikh, Kanika Khandelwal, Joseph Fiore, Nicholas James, Joel Weinstock
Hepatic portal venous gas (HPVG) is a rare radiological sign that usually signifies an acute intra-abdominal process, most commonly bowel ischemia and sepsis. Few reports described an association with underlying gastric pathologies. We report a 60-year-old patient who presented with melena and chills and was discovered to have a gastric ulcer that appeared to have penetrated into a mesenteric varix. This, in turn, likely caused development of HPVG associated with fungemia. Treatment with a proton pump inhibitor and bowel rest was sufficient to resolve symptoms and the HPVG...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28329661/predictors-of-actinic-keratosis-count-in-those-with-multiple-keratinocyte-carcinomas
#12
Julia A Siegel, Adam J Luber, Martin A Weinstock
Actinic keratoses (AKs) are frequently treated in the U.S., impacting an estimated 40 million people in 2004 and costing over $1 billion annually. AKs are a major public health concern because of their high prevalence, substantial cost, and potential for malignant transformation to keratinocyte carcinoma (KC). In this analysis, predictors of AK count were explored using pre-randomization baseline data from two large randomized trials of veterans with multiple prior KCs (n=932 and n=1131). Multivariate analyses were conducted to elucidate associations between AK count and several demographic and health related factors...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329655/new-keratinocyte-carcinomas-worsen-skin-related-quality-of-life
#13
Julia A Siegel, Mary-Margaret Chren, Martin A Weinstock
Keratinocyte carcinoma (KC) is the most common malignancy in the U.S. Because KC affects many people but has a low mortality rate, it is important to consider the impact of KC on skin-related quality of life (QoL). We aimed to determine if KCs, actinic keratoses (AKs), and several demographic and health-related factors were associated with skin- related QoL in those at high risk for KC. We used data from a double-blind, placebo- controlled trial in which 932 veterans with multiple prior KCs were randomized to apply topical 5-fluorouracil (5-FU) or vehicle control cream to the face/ears...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329624/actinic-keratoses-progress-more-quickly-to-squamous-cell-carcinoma-than-basal-cell-carcinoma
#14
Julia A Siegal, Joanna L Walker, Moniyka Sachar, Robert A Lew, Suephy C Chen, Susan M Swetter, Robert P Dellavalle, George P Stricklin, Martin A Weinstock
Actinic keratoses (AK) are common, costly, and may evolve to keratinocyte carcinoma (KC): basal cell (BCC) and squamous cell carcinoma (SCC) of the skin. Time to malignant transformation is controversial. We used data from the placebo arm (n=166) of a randomized trial of veterans with multiple prior KCs. Study dermatologists examined participants' faces/ears at enrollment and semiannual visits. Clinically diagnosed AKs were marked, photographed, and treated with cryotherapy (starting at 6 months). Lesions suspicious for KC were marked, photographed, and biopsied...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28320170/evaluating-the-association-of-allergies-with-multiple-sclerosis-susceptibility-risk-and-disease-activity-in-a-pediatric-population
#15
Theresa Bourne, Michael Waltz, T C Casper, K Kavak, G Aaen, A Belman, L Benson, M Candee, T Chitnis, J Graves, B Greenberg, M Gorman, Y Harris, L Krupp, T Lotze, S Mar, J Ness, C Olsen, S Roalstad, M Rodriguez, J Rose, J Rubin, T Schreiner, J M Tillema, I Kahn, A Waldman, L Barcellos, E Waubant, B Weinstock-Guttman
BACKGROUND: Multiple sclerosis (MS) and allergies are both considered to be related to imbalanced Th1 and Th2 immune responses. Previous studies evaluating the relationship between MS and allergies provide conflicting results. OBJECTIVE: To assess allergies and asthma as risk factors for MS and as predictors of MS relapses in a pediatric cohort. METHODS: The environment and genetic risk factors for pediatric MS study is a national case-control project with 16 participating US sites...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28295194/anti-leukaemic-activity-of-the-tyk2-selective-inhibitor-ndi-031301-in-t-cell-acute-lymphoblastic-leukaemia
#16
Koshi Akahane, Zhaodong Li, Julia Etchin, Alla Berezovskaya, Evisa Gjini, Craig E Masse, Wenyan Miao, Jennifer Rocnik, Rosana Kapeller, Jeremy R Greenwood, Hong Tiv, Takaomi Sanda, David M Weinstock, A Thomas Look
Activation of tyrosine kinase 2 (TYK2) contributes to the aberrant survival of T-cell acute lymphoblastic leukaemia (T-ALL) cells. Here we demonstrate the anti-leukaemic activity of a novel TYK2 inhibitor, NDI-031301. NDI-031301 is a potent and selective inhibitor of TYK2 that induced robust growth inhibition of human T-ALL cell lines. NDI-031301 treatment of human T-ALL cell lines resulted in induction of apoptosis that was not observed with the JAK inhibitors tofacitinib and baricitinib. Further investigation revealed that NDI-031301 treatment uniquely leads to activation of three mitogen-activated protein kinases (MAPKs), resulting in phosphorylation of ERK, SAPK/JNK and p38 MAPK coincident with PARP cleavage...
April 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28293953/counterintuitive-adsorption-of-pw11o39-7-on-au-100
#17
Zhongling Lang, Xavier Aparicio-Anglès, Ira Weinstock, Anna Clotet, Josep M Poblet
Understanding the interaction between charged species and surfaces is one of the most challenging topics in chemistry, given its wide involvement in several fields such as electrocatalysis, stabilization of metal nanoparticles, preparation of devices, etc. In general, these systems are particularly complex to model because of the elevated number of factors that must be taken into account. Here, we report a robust strategy based on density functional theory for studying these interactions, which has been applied to the highly charged lacunary [PW11O39](7-) (PW11) adsorbed on gold and silver surfaces...
April 3, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28291840/a-wild-type-mouse-based-model-for-the-regression-of-inflammation-in-atherosclerosis
#18
Michael Peled, Hitoo Nishi, Ada Weinstock, Tessa J Barrett, Felix Zhou, Alexandra Quezada, Edward A Fisher
Atherosclerosis can be induced by the injection of a gain-of-function mutant of proprotein convertase subtilisin/kexin type 9 (PCSK9)-encoding adeno-associated viral vector (AAVmPCSK9), avoiding the need for knockout mice models, such as low-density lipoprotein receptor deficient mice. As regression of atherosclerosis is a crucial therapeutic goal, we aimed to establish a regression model based on AAVmPCSK9, which will eliminate the need for germ-line genetic modifications. C57BL6/J mice were injected with AAVmPCSK9 and were fed with Western diet for 16 weeks, followed by reversal of hyperlipidemia by a diet switch to chow and treatment with a microsomal triglyceride transfer protein inhibitor (MTPi)...
2017: PloS One
https://www.readbyqxmd.com/read/28273781/trait-neuroticism-extraversion-and-conscientiousness-in-multiple-sclerosis-link-to-cognitive-impairment
#19
Shumita Roy, Allison S Drake, María Bárbara Eizaguirre, Robert Zivadinov, Bianca Weinstock-Guttman, Benjamin P Chapman, Ralph Hb Benedict
BACKGROUND: Previous research suggests that patients with multiple sclerosis (MS) have higher neuroticism, lower extraversion, and lower conscientiousness relative to healthy controls (HCs). However, the prevalence of this maladaptive profile in MS and its relation to cognition is unknown. OBJECTIVE: Determine prevalence of maladaptive personality among MS patients, compared to HCs, and examine how it relates to cognitive dysfunction. METHODS: A sample of 275 MS patients and 55 HCs completed neuroperformance measures of information processing speed and memory...
February 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28271317/cholinergic-anti-inflammatory-pathway-does-not-contribute-to-prevention-of-ulcerative-colitis-by-novel-indoline-carbamates
#20
Helena Shifrin, Odelia Mouhadeb, Nathan Gluck, Chen Varol, Marta Weinstock
Indoline carbamates, AN680 and AN917 decrease cytokines, TNF-α and IL-6 in peritoneal macrophages activated by lipopolysaccharide (LPS) and in mouse tissues after LPS injection. They prevent nuclear translocation of nuclear factor κB (NF-κB) and activator protein 1. Only AN917 inhibits cholinesterase (ChE) at relevant concentrations. ChE inhibitors decrease NF-κB by activating α7 nicotinic acetylcholine receptors (α7nAChR). The current study compared the effect of rivastigmine, a ChE inhibitor, AN680 and AN917 on ulcerative colitis induced in mice by ingestion of dextran sodium sulfate (4...
March 7, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
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