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https://www.readbyqxmd.com/read/29149385/pre-clinical-models-in-pediatric-traumatic-brain-injury-challenges-and-lessons-learned
#1
REVIEW
Patrick M Kochanek, Jessica S Wallisch, Hülya Bayır, Robert S B Clark
PURPOSE: Despite the enormity of the problem and the lack of new therapies, research in the pre-clinical arena specifically using pediatric traumatic brain injury (TBI) models is limited. In this review, some of the key models addressing both the age spectrum of pediatric TBI and its unique injury mechanisms will be highlighted. Four topics will be addressed, namely, (1) unique facets of the developing brain important to TBI model development, (2) a description of some of the most commonly used pre-clinical models of severe pediatric TBI including work in both rodents and large animals, (3) a description of the pediatric models of mild TBI and repetitive mild TBI that are relatively new, and finally (4) a discussion of challenges, gaps, and potential future directions to further advance work in pediatric TBI models...
October 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29149303/changes-in-cytokine-filarial-antigen-and-dna-levels-associated-with-adverse-events-following-treatment-of-lymphatic-filariasis
#2
Britt J Andersen, Jessica Kumar, Kurt Curtis, Nelly Sanuku, Samson Satofan, Christopher L King, Peter U Fischer, Gary J Weil
Background: Mild to moderate adverse events (AEs) are common after treatment of lymphatic filariasis (LF) and pose a major challenge for the global LF elimination program. We studied changes in cytokine levels and filarial worm components in plasma of subjects with and without AEs following treatment of LF. Methods: Participants (N=24) were hospitalized and monitored for AEs following treatment. Cytokines (27), filarial DNA, circulating filarial antigen (CFA), and immune complexes were measured in plasma samples collected before and after treatment...
November 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29149125/survivorship-care-plans-rural-low-income-breast-cancer-survivor-perspectives%C3%A2
#3
Pam DeGuzman, Kaitlyn Colliton, Carmel J Nail, Jessica Keim-Malpass
BACKGROUND: Despite increasing implementation of survivorship care plans (SCPs), cancer survivors still experience unmet needs post-treatment. Rural, low-income survivors experience less planning for supportive care during treatment, which is difficult to overcome after patients complete treatment.
. OBJECTIVES: This pilot study explores post-
treatment survivorship care planning execution, perception, and needs among rural, low-income cancer survivors. 
...
December 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/29148740/effect-of-an-imposed-contact-on-secondary-structure-in-the-denatured-state-of-yeast-iso-1-cytochome-c
#4
Travis A Danielson, Jessica M Stine, Tanveer A Dar, Klara Briknarova, Bruce E Bowler
There is considerable evidence that long-range interactions stabilize residual protein structure under denaturing conditions. However, evaluation of the effect of a specific contact on structure in the denatured state has been difficult. Iso-1-cytochrome c variants with a Lys54-->His mutation form a particularly stable His-heme loop in the denatured state, suggestive of loop-induced residual structure. We have used multidimensional NMR methods to assign (1)H and (15)N backbone amide and (13)C backbone and side chain chemical shifts in the denatured state of iso-1-cytochrome c carrying the Lys54-->His mutation in 3 and 6 M guanidine hydrochloride and at both pH 6...
November 17, 2017: Biochemistry
https://www.readbyqxmd.com/read/29148537/adenomatoid-tumors-of-the-male-and-female-genital-tract-are-defined-by-traf7-mutations-that-drive-aberrant-nf-kb-pathway-activation
#5
Benjamin Goode, Nancy M Joseph, Meredith Stevers, Jessica Van Ziffle, Courtney Onodera, Eric Talevich, James P Grenert, Iwei Yeh, Boris C Bastian, Joanna J Phillips, Karuna Garg, Joseph T Rabban, Charles Zaloudek, David A Solomon
Adenomatoid tumors are the most common neoplasm of the epididymis, and histologically similar adenomatoid tumors also commonly arise in the uterus and fallopian tube. To investigate the molecular pathogenesis of these tumors, we performed genomic profiling on a cohort of 31 adenomatoid tumors of the male and female genital tracts. We identified that all tumors harbored somatic missense mutations in the TRAF7 gene, which encodes an E3 ubiquitin ligase belonging to the family of tumor necrosis factor receptor-associated factors (TRAFs)...
November 17, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29148400/avian-influenza-a-h7n2-virus-in-human-exposed-to-sick-cats-new-york-usa-2016
#6
Atanaska Marinova-Petkova, Jen Laplante, Yunho Jang, Brian Lynch, Natosha Zanders, Marisela Rodriguez, Joyce Jones, Sharmi Thor, Erin Hodges, Juan A De La Cruz, Jessica Belser, Hua Yang, Paul Carney, Bo Shu, LaShondra Berman, Thomas Stark, John Barnes, Fiona Havers, Patrick Yang, Susan C Trock, Alicia Fry, Larisa Gubareva, Joseph S Bresee, James Stevens, Demetre Daskalakis, Dakai Liu, Christopher T Lee, Mia Kim Torchetti, Sandra Newbury, Francine Cigel, Kathy Toohey-Kurth, Kirsten St George, David E Wentworth, Stephen Lindstrom, C Todd Davis
An outbreak of influenza A(H7N2) virus in cats in a shelter in New York, NY, USA, resulted in zoonotic transmission. Virus isolated from the infected human was closely related to virus isolated from a cat; both were related to low pathogenicity avian influenza A(H7N2) viruses detected in the United States during the early 2000s.
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29148335/geographic-variation-in-medicaid-acceptance-across-michigan-primary-care-practices-in-the-era-of-the-affordable-care-act
#7
Renuka Tipirneni, Karin V Rhodes, Rodney A Hayward, Richard L Lichtenstein, HwaJung Choi, Emily K Arntson, Jessica M Landgraf, Matthew M Davis
Coverage and access have improved under the Affordable Care Act, yet it is unclear whether recent gains have reached those regions within states that were most in need of improved access to care. We examined geographic variation in Medicaid acceptance among Michigan primary care practices before and after Medicaid expansion in the state, using data from a simulated patient study of primary care practices. We used logistic regression analysis with time indicators to assess regional changes in Medicaid acceptance over time...
March 1, 2017: Medical Care Research and Review: MCRR
https://www.readbyqxmd.com/read/29148327/are-integrated-plan-providers-associated-with-lower-premiums-on-the-health-insurance-marketplaces
#8
Ambar La Forgia, Jared Lane K Maeda, Jessica S Banthin
As the health insurance industry becomes more consolidated, hospitals and health systems have started to enter the insurance business. Insurers are also rapidly acquiring providers. Although these "vertically" integrated plan providers are small players in the insurance market, they are becoming more numerous. The health insurance marketplaces (HIMs) offer a unique setting to study integrated plan providers relative to other insurer types because the HIMs were designed to promote competition. In this descriptive study, the authors compared the premiums of the lowest priced silver plans of integrated plan providers with other insurer types on the 2015 and 2016 HIMs...
February 1, 2017: Medical Care Research and Review: MCRR
https://www.readbyqxmd.com/read/29148313/facebook-and-twitter-vaccine-sentiment-in-response-to-measles-outbreaks
#9
Michael S Deiner, Cherie Fathy, Jessica Kim, Katherine Niemeyer, David Ramirez, Sarah F Ackley, Fengchen Liu, Thomas M Lietman, Travis C Porco
Social media posts regarding measles vaccination were classified as pro-vaccination, expressing vaccine hesitancy, uncertain, or irrelevant. Spearman correlations with Centers for Disease Control and Prevention-reported measles cases and differenced smoothed cumulative case counts over this period were reported (using time series bootstrap confidence intervals). A total of 58,078 Facebook posts and 82,993 tweets were identified from 4 January 2009 to 27 August 2016. Pro-vaccination posts were correlated with the US weekly reported cases (Facebook: Spearman correlation 0...
November 1, 2017: Health Informatics Journal
https://www.readbyqxmd.com/read/29148281/treatment-patterns-of-biologics-in-us-patients-with-ankylosing-spondylitis-descriptive-analyses-from-a-claims-database
#10
Jessica A Walsh, Oluwakayode Adejoro, Benjamin Chastek, Yujin Park
AIM: Examine treatment patterns among patients with active ankylosing spondylitis (AS) treated with a TNF inhibitor (TNFi). PATIENTS & METHODS: Patients with AS who initiated a TNFi between 1 January 2013, and 31 January 2015, were identified in the Optum Research Database. Outcomes included adherence, persistence, discontinuation and therapy modifications of the index TNFi during 12-month follow-up. RESULTS: Of the 426 patients included, 40...
November 17, 2017: Journal of Comparative Effectiveness Research
https://www.readbyqxmd.com/read/29148256/toward-standardization-of-care-the-feeding-readiness-assessment-after-congenital-cardiac-surgery
#11
Daniel E Ehrmann, Matthew Mulvahill, Shaunda Harendt, Jessica Church, Amy Stimmler, Piyagarnt Vichayavilas, Sanja Batz, Jennifer Rodgers, Michael DiMaria, James Jaggers, Cindy Barrett, Jon Kaufman
BACKGROUND: Feeding practices after neonatal and congenital heart surgery are complicated and variable, which may be associated with prolonged hospitalization length of stay (LOS). Systematic assessment of feeding skills after cardiac surgery may earlier identify those likely to have protracted feeding difficulties, which may promote standardization of care. METHODS: Neonates and infants ≤3 months old admitted for their first cardiac surgery were retrospectively identified during a 1-year period at a single center...
November 17, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/29148138/artificial-walking-technologies-to-improve-gait-in-cerebral-palsy-multichannel-neuromuscular-stimulation
#12
Jessica Rose, Katelyn Cahill-Rowley, Erin E Butler
Cerebral palsy (CP) is the most common childhood motor disability and often results in debilitating walking abnormalities, such as flexed-knee and stiff-knee gait. Current medical and surgical treatments are only partially effective in improving gait abnormalities and may cause significant muscle weakness. However, emerging artificial walking technologies, such as step-initiated, multichannel neuromuscular electrical stimulation (NMES), can substantially improve gait patterns and promote muscle strength in children with spastic CP...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29148023/fluid-structure-interaction-model-analysis-of-cerebrospinal-fluid-circulation-in-patients-with-continuous-flow-left-ventricular-assist-devices
#13
Jessica G Y Luc, Clifford A Pierre, Kevin Phan, Yashar S Vahedein, Alexander S Liberson, William K Cornwell, Steven J Phillips, Vakhtang Tchantchaleishvili
PURPOSE: The current 1-dimensional fluid structure interaction model (FSI) for understanding cerebrospinal fluid (CSF) circulation requires pulsatility as a precondition and has not been applied to patients with continuous-flow left ventricular assist devices (CF-LVAD) where pulsatility is chronically reduced. Our study aims to characterize the behavior of CSF pressure and flow in patients with CF-LVADs using a computational FSI model. METHODS: Utilizing the computational FSI model, CSF production in choroid plexuses of the 4 ventricles was specified as a boundary condition for the model...
November 16, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/29147893/high-elective-surgery-cancellation-rate-in-malawi-primarily-due-to-infrastructural-limitations
#14
Meghan Prin, Jessica Eaton, Onias Mtalimanja, Anthony Charles
BACKGROUND: The provision of safe and timely surgical care is essential to global health care. Low- and middle-income countries have a disproportionate share of the global surgical disease burden and struggle to provide care with the given resources. Surgery cancellation worldwide occurs for many reasons, which are likely to differ between high-income and low-income settings. We sought to evaluate the proportion of elective surgery that is cancelled and the associated reasons for cancellation at a tertiary hospital in Malawi...
November 16, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29147878/knowledge-gaps-in-the-management-of-postoperative-crohn-s-disease-a-us-national-survey
#15
Vu Q Nguyen, Jessica L Mays, Marissa Lang, Yingxing Wu, Themistocles Dassopoulos, Miguel Regueiro, Alan Moss, Deborah D Proctor, Dario Sorrentino
BACKGROUND: Postoperative recurrence (POR) of Crohn's disease (CD) is common. Guidelines on POR management have recently been issued, but clinical practice may vary. AIMS: To examine the current clinical practice of POR management in the USA METHODS: A web-based survey was sent to all members of the American Gastroenterological Association and the American College of Gastroenterology. The survey consisted of multiple-choice questions with clinical scenarios to assess how participants manage POR...
November 17, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29147072/paradoxical-association-of-postoperative-plasma-sphingosine-1-phosphate-with-breast-cancer-aggressiveness-and-chemotherapy
#16
Rajesh Ramanathan, Ali Raza, Jamie Sturgill, Debra Lyon, Jessica Young, Nitai C Hait, Kazuaki Takabe
Sphingosine-1-phosphate (S1P) is a bioactive lipid mediator that has been shown to serve an important regulatory function in breast cancer progression. This study analyzes plasma S1P levels in breast cancer patients undergoing adjuvant therapy as compared to healthy control volunteers. 452 plasma S1P samples among 158 breast cancer patients, along with 20 healthy control volunteers, were analyzed. Mean S1P levels did not significantly differ between cancer patients and controls. Smoking was associated with higher S1P levels in cancer patients...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29146997/a-new-method-to-measure-mechanics-and-dynamic-assembly-of-branched-actin-networks
#17
Pierre Bauër, Joseph Tavacoli, Thomas Pujol, Jessica Planade, Julien Heuvingh, Olivia du Roure
We measured mechanical properties and dynamic assembly of actin networks with a new method based on magnetic microscopic cylinders. Dense actin networks are grown from the cylinders' surfaces using the biochemical Arp2/3-machinery at play in the lamellipodium extension and other force-generating processes in the cell. Under a homogenous magnetic field the magnetic cylinders self-assemble into chains in which forces are attractive and depend on the intensity of the magnetic field. We show that these forces, from piconewtons to nanonewtons, are large enough to slow down the assembly of dense actin networks and controlled enough to access to their non linear mechanical responses...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146773/glyoxal-as-an-alternative-fixative-to-formaldehyde-in-immunostaining-and-super-resolution-microscopy
#18
Katharina N Richter, Natalia H Revelo, Katharina J Seitz, Martin S Helm, Deblina Sarkar, Rebecca S Saleeb, Elisa D'Este, Jessica Eberle, Eva Wagner, Christian Vogl, Diana F Lazaro, Frank Richter, Javier Coy-Vergara, Giovanna Coceano, Edward S Boyden, Rory R Duncan, Stefan W Hell, Marcel A Lauterbach, Stephan E Lehnart, Tobias Moser, Tiago Outeiro, Peter Rehling, Blanche Schwappach, Ilaria Testa, Bolek Zapiec, Silvio O Rizzoli
Paraformaldehyde (PFA) is the most commonly used fixative for immunostaining of cells, but has been associated with various problems, ranging from loss of antigenicity to changes in morphology during fixation. We show here that the small dialdehyde glyoxal can successfully replace PFA Despite being less toxic than PFA, and, as most aldehydes, likely usable as a fixative, glyoxal has not yet been systematically tried in modern fluorescence microscopy. Here, we tested and optimized glyoxal fixation and surprisingly found it to be more efficient than PFA-based protocols...
November 16, 2017: EMBO Journal
https://www.readbyqxmd.com/read/29146522/germline-genetic-features-of-young-individuals-with-colorectal-cancer
#19
Elena M Stoffel, Erika Koeppe, Jessica Everett, Peter Ulintz, Mark Kiel, Jenae Osborne, Linford Williams, Kristen Hanson, Stephen B Gruber, Laura S Rozek
BACKGROUND & AIMS: The incidence of colorectal cancer (CRC) in individuals younger than 50 years old is increasing. We sought to ascertain the proportion of young CRC cases associated with genetic predisposition. METHODS: We performed a retrospective study of individuals diagnosed with CRC at an age younger than 50 years, evaluated by the clinical genetics service at a single tertiary care cancer center from 1998 through 2015. We collected data on patient histories, tumor phenotypes, and results of germline DNA sequencing...
November 12, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29146203/responses-of-reef-building-corals-to-microplastic-exposure
#20
Jessica Reichert, Johannes Schellenberg, Patrick Schubert, Thomas Wilke
Pollution of marine environments with microplastic particles (i.e. plastic fragments <5 mm) has increased rapidly during the last decades. As these particles are mainly of terrestrial origin, coastal ecosystems such as coral reefs are particularly threatened. Recent studies revealed that microplastic ingestion can have adverse effects on marine invertebrates. However, little is known about its effects on small-polyp stony corals that are the main framework builders in coral reefs. The goal of this study is to characterise how different coral species I) respond to microplastic particles and whether the exposure might II) lead to health effects...
November 13, 2017: Environmental Pollution
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