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https://www.readbyqxmd.com/read/29336834/an-overview-of-medical-ecmo-for-neonates
#1
REVIEW
Kathryn Fletcher, Rachel Chapman, Sarah Keene
Extracorporeal membrane oxygenation (ECMO), a life-saving therapy for respiratory and cardiac failure, was first used in neonates in the 1970s. The indications and criteria for ECMO have changed over the years, but it continues to be an important option for those who have failed other medical therapies. Since the Extracorporeal Life Support Organization (ELSO) Registry was established in 1989, more than 29,900 neonates have been placed on ECMO for respiratory failure, with 84% surviving their ECMO course, and 73% surviving to discharge or transfer...
January 11, 2018: Seminars in Perinatology
https://www.readbyqxmd.com/read/29334675/effects-of-running-retraining-on-biomechanical-factors-associated-with-lower-limb-injury
#2
Marcus D Dunn, David B Claxton, Graham Fletcher, Jonathan S Wheat, David M Binney
Injury risk is an important concern for runners; however, limited evidence exists regarding changes to injury risk following running style retraining. Biomechanical factors, such as absolute peak free moment, knee abduction impulse, peak foot eversion and foot eversion excursion, have been shown to predict lower limb injury. The aim of this study was to assess the effects of Pose running retraining on biomechanical factors associated with lower limb running injury. Twenty uninjured recreational runners were pair-matched based on their five km run time performance and randomly assigned to control (n = 10) and intervention (three 2-h Pose running retraining sessions) groups (n = 10)...
January 12, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29334548/plasma-and-intracellular-pharmacokinetics-of-tenofovir-in-patients-switched-from-tenofovir-disoproxil-fumarate-to-tenofovir-alafenamide
#3
Anthony T Podany, Sara H Bares, Joshua Havens, Ravi Dyavar Shetty, Jennifer O'neill, Sarah Lee, Courtney V Fletcher, Susan Swindells, Kimberly K Scarsi
OBJECTIVES: The aim of the study was to compare the intra-individual plasma and intracellular peripheral blood mononuclear cell (PBMC) pharmacokinetics (PK) of tenofovir (TFV) and its intracellular metabolite, tenofovir-diphosphate (TFV-DP) in patients switched from a fixed dose combination (FDC) tablet of tenofovir disoproxil fumarate (TDF)/ emtricitabine (FTC)/ elvitegravir (EVG)/ cobicistat (COBI) to a FDC containing tenofovir alafenamide (TAF)/FTC/EVG/COBI. DESIGN: A single arm, prospective, non-randomized, cross-over, PK study in patients receiving a TDF-containing regimen (TDF 300 mg/ FTC 200 mg/ EVG 150 mg/ COBI 150 mg) switched to a TAF-containing FDC regimen (TAF 10 mg/ FTC 200 mg/ EVG 150 mg/ COBI 150 mg)...
January 13, 2018: AIDS
https://www.readbyqxmd.com/read/29329880/novel-expression-of-cd11b-in-epithelial-ovarian-cancer-potential-therapeutic-target
#4
Ghassan M Saed, Nicole M Fletcher, Michael P Diamond, Robert T Morris, Nardhy Gomez-Lopez, Ira Memaj
OBJECTIVE: The objective of this study was to determine the expression, and effect of targeting CD11b with a monoclonal antibody in ovarian cancer cells. METHODS: CD11b expression was determined in epithelial ovarian cancer (EOC) cell lines and tissues by immunofluorescence and flow cytometry. Cytotoxicity of the CD11b antibody and synergism with chemothearapeutic drugs were determined by the MTT Cell Proliferation Assay in human macrophages, normal ovarian epithelial cells, and in both sensitive and chemoresistant EOC cell lines...
January 9, 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29329659/discovery-of-mcl-1-inhibitors-based-on-a-thiazolidine-2-4-dione-scaffold
#5
Ellis Whiting, Mithun R Raje, Jay Chauhan, Paul T Wilder, Daniel Van Eker, Samuel J Hughes, Nathan G Bowen, Gregory E A Vickers, Ian C Fenimore, Steven Fletcher
Inspired by a rhodanine-based dual inhibitor of Bcl-xL and Mcl-1, a focused library of analogues was prepared wherein the rhodanine core was replaced with a less promiscuous thiazolidine-2,4-dione scaffold. Compounds were initially evaluated for their abilities to inhibit Mcl-1. The most potent compound 12b inhibited Mcl-1 with a Ki of 155 nM. Further investigation revealed comparable inhibition of Bcl-xL (Ki = 90 nM), indicating that the dual inhibitory profile of the initial rhodanine lead had been retained upon switching the heterocycle core...
December 12, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29329503/chemical-imaging-of-aggressive-basal-cell-carcinoma-using-time-of-flight-secondary-ion-mass-spectrometry
#6
Marwa Munem, Oscar Zaar, Kelly Dimovska Nilsson, Noora Neittaanmäki, John Paoli, John S Fletcher
A set of basal cell carcinoma samples, removed by Mohs micrographic surgery and pathologically identified as having an aggressive subtype, have been analyzed using time-of-flight secondary ion mass spectrometry (SIMS). The SIMS analysis employed a gas cluster ion beam (GCIB) to increase the sensitivity of the technique for the detection of intact lipid species. The GCIB also allowed these intact molecular signals to be maintained while surface contamination and delocalized chemicals were removed from the upper tissue surface...
January 12, 2018: Biointerphases
https://www.readbyqxmd.com/read/29327718/epithelioid-fibrous-histiocytoma-molecular-characterization-of-alk-fusion-partners-in-23-cases
#7
Brendan C Dickson, David Swanson, George S Charames, Christopher Dm Fletcher, Jason L Hornick
Epithelioid fibrous histiocytoma is a rare and distinctive cutaneous neoplasm. Most cases harbor ALK rearrangement and show ALK overexpression, which distinguish this neoplasm from conventional cutaneous fibrous histiocytoma and variants. SQSTM1 and VCL have previously been shown to partner with ALK in one case each of epithelioid fibrous histiocytoma. The purpose of this study was to examine a large cohort of epithelioid fibrous histiocytomas by next-generation sequencing to characterize the nature and prevalence of ALK fusion partners...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29327713/expression-of-enhancer-of-zeste-homolog-2-ezh2-protein-in-histiocytic-and-dendritic-cell-neoplasms-with-evidence-for-p-erk1-2-related-but-not-myc-or-p-stat3-related-cell-signaling
#8
Xuejun Tian, Jie Xu, Christopher Fletcher, Jason L Hornick, David M Dorfman
EZH2 is an important enzymatic subunit of the epigenetic regulator polycomb repressive complex 2 (PRC2), which controls gene silencing through post-translational modification, and is overexpressed in various carcinomas and hematopoietic neoplasms. We found that the majority of cases of histiocytic and dendritic cell neoplasms, including histiocytic sarcoma, follicular dendritic cell sarcoma, Langerhans cell histiocytosis, and interdigitating dendritic cell sarcoma, show strong EZH2 expression by immunohistochemical staining, in contrast to benign histiocytic lesions and normal cellular counterparts, which did not show EZH2 expression, suggesting that this molecule may function as an oncogenic protein in these neoplasms...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29326195/why-do-gps-leave-direct-patient-care-and-what-might-help-to-retain-them-a-qualitative-study-of-gps-in-south-west-england
#9
Anna Sansom, Rohini Terry, Emily Fletcher, Chris Salisbury, Linda Long, Suzanne H Richards, Alex Aylward, Jo Welsman, Laura Sims, John L Campbell, Sarah G Dean
OBJECTIVE: To identify factors influencing general practitioners' (GPs') decisions about whether or not to remain in direct patient care in general practice and what might help to retain them in that role. DESIGN: Qualitative, in-depth, individual interviews exploring factors related to GPs leaving, remaining in and returning to direct patient care. SETTING: South West England, UK. PARTICIPANTS: 41 GPs: 7 retired; 8 intending to take early retirement; 11 who were on or intending to take a career break; 9 aged under 50 years who had left or were intending to leave direct patient care and 6 who were not intending to leave or to take a career break...
January 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29324473/chondromyxoid-fibroma-arising-in-craniofacial-sites-a-clinicopathologic-analysis-of-25-cases
#10
David M Meredith, Christopher D M Fletcher, Vickie Y Jo
Chondromyxoid fibroma (CMF) is a rare benign tumor, usually arising in the metaphysis of long bones in young adults. Occurrence in craniofacial bones presents a particular diagnostic challenge given its unusual location and resemblance to malignant mimics. We describe the clinicopathologic features of 25 cases of craniofacial CMF identified between 1999 and 2017. Patients were 14 men and 11 women, with median age of 44 years (range, 5 to 83 y). Sites of involvement were sphenoid (7), ethmoid (5), maxilla (3), occipital (2), nasal septum (2), palatine (2), temporal (2), orbit (1), and undisclosed skull (1)...
January 10, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29317533/the-social-genome-of-friends-and-schoolmates-in-the-national-longitudinal-study-of-adolescent-to-adult-health
#11
Benjamin W Domingue, Daniel W Belsky, Jason M Fletcher, Dalton Conley, Jason D Boardman, Kathleen Mullan Harris
Humans tend to form social relationships with others who resemble them. Whether this sorting of like with like arises from historical patterns of migration, meso-level social structures in modern society, or individual-level selection of similar peers remains unsettled. Recent research has evaluated the possibility that unobserved genotypes may play an important role in the creation of homophilous relationships. We extend this work by using data from 5,500 adolescents from the National Longitudinal Study of Adolescent to Adult Health (Add Health) to examine genetic similarities among pairs of friends...
January 9, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29317426/the-wd40-domain-of-atg16l1-is-required-for-its%C3%A2-non-canonical-role-in-lipidation-of-lc3-at-single%C3%A2-membranes
#12
Katherine Fletcher, Rachel Ulferts, Elise Jacquin, Talitha Veith, Noor Gammoh, Julia M Arasteh, Ulrike Mayer, Simon R Carding, Thomas Wileman, Rupert Beale, Oliver Florey
A hallmark of macroautophagy is the covalent lipidation of LC3 and insertion into the double-membrane phagophore, which is driven by the ATG16L1/ATG5-ATG12 complex. In contrast, non-canonical autophagy is a pathway through which LC3 is lipidated and inserted into single membranes, particularly endolysosomal vacuoles during cell engulfment events such as LC3-associated phagocytosis. Factors controlling the targeting of ATG16L1 to phagophores are dispensable for non-canonical autophagy, for which the mechanism of ATG16L1 recruitment is unknown...
January 9, 2018: EMBO Journal
https://www.readbyqxmd.com/read/29317000/associations-between-sedentary-behaviours-and-dietary-intakes-among-adolescents
#13
Elly A Fletcher, Sarah A McNaughton, David Crawford, Verity Cleland, Jacqueline Della Gatta, Jennifer Hatt, James Dollman, Anna Timperio
OBJECTIVE: The purpose of the current study was to examine associations of individual and aggregated screen-based behaviours, and total sitting time, with healthy and unhealthy dietary intakes among adolescents. DESIGN: Cross-sectional study of adolescents. Participants self-reported durations of television viewing, computer use, playing electronic games (e-games), total sitting time, daily servings of fruits and vegetables, and frequency of consumption of sugar-sweetened beverages (SSB), diet beverages, fast foods and discretionary snacks...
January 10, 2018: Public Health Nutrition
https://www.readbyqxmd.com/read/29314538/the-new-frontier-of-prostate-biopsy-determining-the-role-of-image-guidance-in-moving-the-needle
#14
EDITORIAL
Sean A Fletcher, Sebastian Berg, Quoc-Dien Trinh
No abstract text is available yet for this article.
January 2018: BJU International
https://www.readbyqxmd.com/read/29313190/structural-inequities-and-social-networks-impact-hormone-use-and-misuse-among-transgender-women-in-los-angeles-county
#15
Kirsty Clark, Jesse B Fletcher, Ian W Holloway, Cathy J Reback
In order to reduce gender dysphoria and combat stigma, transgender women often affirm their gender through social and medical transition, which may include cross-sex hormone therapy. This study examined associations between medically monitored hormone use and hormone misuse (non-prescribed hormone use including "fillers"), structural inequities (access to housing, health insurance, and income), and social network dynamics among 271 transgender women in Los Angeles. Hormone use status was coded trichotomously (hormone use, hormone misuse, no hormone use), and robust multinomial logistic regression as well as novel social network analysis was conducted to examine associations...
January 8, 2018: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/29310494/effectiveness-of-vancomycin-or-beta-lactam-therapy-in-ampicillin-susceptible-enterococcus-spp-bloodstream-infections
#16
Jesse M Fletcher, Shawn J Kram, Christina B Sarubbi, Deverick J Anderson, Bridgette L Kram
BACKGROUND: De-escalation to a beta-lactam improves outcomes for patients with a methicillin-susceptible Staphylococcus aureus bloodstream infection (BSI). Whether a similar strategy is appropriate for enterococcal species is less clear. OBJECTIVE: To determine whether definitive antibiotic selection affects outcomes for patients with an ampicillin-susceptible enterococcal BSI. METHODS: This retrospective cohort study included patients over 18 years of age receiving definitive therapy with vancomycin or a beta-lactam for one or more blood cultures positive for Enterococcus spp...
January 1, 2018: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/29306165/influence-of-plant-composition-and-water-use-strategies-on-green-roof-stormwater-retention
#17
Zheng Zhang, Christopher Szota, Tim D Fletcher, Nicholas S G Williams, Joerg Werdin, Claire Farrell
Green roofs are increasingly being considered a promising engineered ecosystem for reducing stormwater runoff. Plants are a critical component of green roofs and it has been suggested that plants with high water use after rainfall, but which are also drought tolerant, can improve rainfall retention on green roofs. However, there is little evidence to show how plants with different water use strategies will affect green roof retention performance, either in monocultures or in mixed plantings. This study tested how monocultures and a mixture of herbaceous species (Dianella admixta, Lomandra longifolia and Stypandra glauca) affected rainfall retention on green roofs...
January 3, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29300189/bcor-ccnb3-fusion-positive-sarcomas-a-clinicopathologic-and-molecular-analysis-of-36-cases-with-comparison-to-morphologic-spectrum-and-clinical-behavior-of-other-round-cell-sarcomas
#18
Yu-Chien Kao, Adepitan A Owosho, Yun-Shao Sung, Lei Zhang, Yumi Fujisawa, Jen-Chieh Lee, Leonard Wexler, Pedram Argani, David Swanson, Brendan C Dickson, Christopher D M Fletcher, Cristina R Antonescu
BCOR-CCNB3 sarcoma (BCS) is a recently defined genetic entity among undifferentiated round cell sarcomas, which was initially classified as and treated similarly to the Ewing sarcoma (ES) family of tumors. In contrast to ES, BCS shows consistent BCOR overexpression, and preliminary evidence suggests that these tumors share morphologic features with other tumors harboring BCOR genetic alterations, including BCOR internal tandem duplication (ITD) and BCOR-MAML3. To further investigate the pathologic features, clinical behavior, and their relationship to other round cell sarcomas, we collected 36 molecularly confirmed BCSs for a detailed histologic and immunohistochemical analysis...
October 25, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29300147/relationships-between-highly-skilled-golfers-clubhead-velocity-and-force-producing-capabilities-during-vertical-jumps-and-an-isometric-mid-thigh-pull
#19
Jack E T Wells, Andrew C S Mitchell, Laura H Charalambous, Iain M Fletcher
Whilst previous research has highlighted significant relationships between golfers' clubhead velocity (CHV) and their vertical jump height and maximum strength, these field-based protocols were unable to measure the actual vertical ground reaction force (vGRF) variables that may correlate to performance. The aim of this study was to investigate relationships between isometric mid-thigh pull (IMTP), countermovement jump (CMJ), squat jump (SJ) and drop jump (DJ) vGRF variables and CHV in highly skilled golfers...
January 4, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29300099/sexual-risk-among-african-american-girls-seeking-psychiatric-care-a-social-personal-framework
#20
Geri Donenberg, Erin Emerson, Mary Ellen Mackesy-Amiti, Faith Fletcher
OBJECTIVE: This study examined individual and social factors associated with sexual risk behavior among African American girls seeking outpatient mental health services across 2 years and key developmental transitions. METHOD: African American females 12-16 years old (M = 14.5; SD = 1.15; n = 266) were recruited from eight outpatient mental health clinics and completed interviewer-administered and computer-assisted measures at baseline, 12, and 24 months. Analyses tested individual attributes (externalizing and internalizing problems) and family context (maternal acceptance-rejection, mother-daughter communication about sex) at baseline, peer influences (peer support of substance use, girlfriend dating behavior) and partner relationship characteristics (rejection sensitivity, partner risk communication frequency and openness) at 12 months, and girls' sexual behavior at 24 months...
January 2018: Journal of Consulting and Clinical Psychology
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