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https://www.readbyqxmd.com/read/28092362/the-role-of-endothelial-hif-1-%C3%AE-in-the-response-to-sublethal-hypoxia-in-c57bl-6-mouse-pups
#1
Qi Li, Michael Michaud, Chan Park, Yan Huang, Rachael Couture, Frank Girodano, Michael L Schwartz, Joseph A Madri
Chronic sublethal hypoxia, a complication of premature birth, is associated with cognitive and motor handicaps. Responsiveness to and recovery from this hypoxic environment is dependent on induction of HIF-1 α in the cells affected. Microvascular endothelial-glial and microvascular endothelial-neuronal precursor interactions have been found to be dynamic and reciprocal, involving autocrine and paracrine signaling, with response and recovery correlated with baseline levels and levels of induction of HIF-1 α...
January 16, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28073905/feeding-by-melanaphis-sacchari-hemiptera-aphididae-facilitates-use-of-sorghum-by-rhopalosiphum-padi-hemiptera-aphididae-but-reciprocal-effects-are-negative
#2
J P Michaud, Yun Zhang, Clint Bain
In the process of feeding, aphids modify the physiology of their host plants in species-specific ways, and plant responses to these aggressions are often genotype- or cultivar-specific. Thus, different aphid species sharing a host can influence each other's fitness via plant-mediated interactions, usually with negative and asymmetric impacts. Here, we show that feeding by the sugarcane aphid, Melanaphis sacchari Zehntner, can improve the suitability of sorghum as a host plant for the bird cherry-oat aphid, Rhopalosiphum padi L...
January 10, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28073775/dasatinib-changes-immune-cell-profiles-concomitant-with-reduced-tumor-growth-in-several-murine-solid-tumor-models
#3
Can Hekim, Mette Ilander, Jun Yan, Erin Michaud, Richard Smykla, Markus Vähä-Koskela, Paula Savola, Siri Tähtinen, Leena Saikko, Akseli Hemminki, Panu E Kovanen, Kimmo Porkka, Francis Yf Lee, Satu Mustjoki
Dasatinib, a broad range tyrosine kinase inhibitor (TKI), induces rapid mobilization of lymphocytes and clonal expansion of cytotoxic cells in leukemia patients. Here, we investigated whether dasatinib could induce beneficial immunomodulatory effects in solid tumor models. The effects on tumor growth and on the immune system were studied in four different syngeneic mouse models (B16.OVA melanoma, 1956 sarcoma, MC38 colon, and 4T1 breast carcinoma). Both peripheral blood (PB) and tumor samples were immunophenotyped during treatment...
January 10, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28073648/elevated-neutrophil-elastase-in-tears-of-ocular-graft-versus-host-disease-patients
#4
Samer N Arafat, Marie-Claude Robert, Tulio Abud, Sandra Spurr-Michaud, Francisco Amparo, Claes H Dohlman, Reza Dana, Ilene K Gipson
PURPOSE: To investigate the levels of neutrophil elastase (NE), matrix metalloproteinases (MMPs) and myeloperoxidase (MPO) in tear washes of patients with ocular graft-versus-host disease (oGVHD). DESIGN: Case-control study. METHODS: Based on established criteria, oGVHD patients (n = 14; 28 eyes) and age/sex-matched healthy controls (n = 14; 28 eyes) were enrolled. Tear washes were collected and analyzed for NE using a single-analyte enzyme-linked immunosorbent assay (ELISA)...
January 7, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28070875/atrial-fibrillation-inducibility-during-cavotricuspid-isthmus-dependent-atrial-flutter-ablation-as-a-predictor-of-clinical-atrial-fibrillation-a-meta-analysis
#5
Jorge Romero, Juan Carlos Diaz, Luigi Di Biase, Saurabh Kumar, David Briceno, Usha B Tedrow, Carolina R Valencia, Samuel H Baldinger, Bruce Koplan, Laurence M Epstein, Roy John, Gregory F Michaud, William G Stevenson
BACKGROUND: Atrial fibrillation (AF) and cavotricuspid isthmus (CTI)-dependent atrial flutter (AFL) are two separate entities that coexist in a significant percentage of patients. We sought to investigate whether AF inducibility during CTI AFL ablation predicted the occurrence of AF at follow-up after successful AFL ablation. METHODS: A systemic review of Medline, Cochrane, and Embase was done for all the clinical studies in which assessment of AF inducibility in patients undergoing ablation for CTI AFL was performed...
January 9, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28070004/arthrocladium-fulminans-arthritis-and-osteomyelitis
#6
Abdoulahy Diallo, Céline Michaud, Souandou Tabibou, Maxime Raz, Carla Fernandez, Hubert Lepidi, Pierre-Edouard Fournier, Andreas Stein, Stéphane Ranque, Piseth Seng
Arthrocladium fulminans is the only species in the Arthrocladium genus that has been involved in a previous human infection. To date, only one case of A. fulminans infection in a patient with GATA-2 immunodeficiency has been reported. We here report the second human case and the first case of septic arthritis and osteomyelitis due to A. fulminans in an immunocompetent patient, living in Mayotte, a French island in western Indian Ocean. He was successfully treated with surgical debridement and 6 months of antifungal treatment...
January 9, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28054374/determinants-of-heparin-dosing-and-complications-in-patients-undergoing-left-atrial-ablation-on-uninterrupted-rivaroxaban
#7
Alan D Enriquez, Timothy Churchill, Sandeep Gautam, Jason S Chinitz, Chirag R Barbhaiya, Saurabh Kumar, Roy M John, Usha B Tedrow, Bruce A Koplan, William G Stevenson, Gregory F Michaud
BACKGROUND: Patients on rivaroxaban have variable INRs, but it is uncertain if INR impacts procedural heparin requirement during left atrial ablation. We sought to examine the determinants of heparin dosing in this patient population. METHODS: We reviewed consecutive patients who received rivaroxaban within 24 hours of left atrial ablation and compared them to patients on uninterrupted warfarin. The determinants of heparin requirement were evaluated using regression analysis...
January 5, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28045804/prevalence-of-hazardous-occupational-noise-exposure-hearing-loss-and-hearing-protection-usage-among-a-representative-sample-of-working-canadians
#8
Katya Feder, David Michaud, James McNamee, Elizabeth Fitzpatrick, Hugh Davies, Tony Leroux
OBJECTIVE: The aim of this study was to estimate the prevalence of hearing loss (HL), self-reported occupational noise exposure, and hearing protection usage among Canadians. METHODS: In-person household interviews were conducted with 3666 participants, aged 16 to 79 years (1811 males) with 94% completing audiometry and distortion-product otoacoustic emission (DPOAE) evaluations. Occupational noise exposure was defined as hazardous when communicating with coworkers at an arm's length distance required speaking in a raised voice...
January 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28042353/immunosuppressive-therapy-after-solid-organ-transplantation-does-the-intermed-identify-patients-at-risk-of-poor-adherence
#9
Laurent Michaud, Gundula Ludwig, Sylvie Berney, Stéphanie Rodrigues, Anne Niquille, Valérie Santschi, Anne-Sophie Favre, Anne-Catherine Lange, Annemieke A Michels, Bernard Vrijens, Olivier Bugnon, Nathalie Pilon, Manuel Pascual, Jean-Pierre Venetz, Friedrich Stiefel, Marie-Paule Schneider
BACKGROUND: Lack of adherence to medication is a trigger of graft rejection in solid-organ transplant (SOT) recipients. OBJECTIVE: This exploratory study aimed to assess whether a biopsychosocial evaluation using the INTERMED instrument before transplantation could identify SOT recipients at risk of suboptimal post-transplantation adherence to immunosuppressant drugs. We hypothesized that complex patients (INTERMED>20) might have lower medication adherence than noncomplex patients (INTERMED≤20)...
October 2016: Pharmacy Practice
https://www.readbyqxmd.com/read/28039423/relative-toxicity-of-two-aphicides-to-hippodamia-convergens-coleoptera-coccinellidae-implications-for-integrated-management-of-sugarcane-aphid-melanaphis-sacchari-hemiptera-aphididae
#10
Felipe Colares, J P Michaud, Clint L Bain, Jorge B Torres
Flupyradifurone and sulfoxaflor present novel insecticide chemistries with particular efficacy against aphids, and the recent emergence of sugarcane aphid, Melanaphis sacchari (Zehntner), as a pest of sorghum in the United States has resulted in their widespread use. We examined their toxicity to Hippodamia convergens Guerin-Meneville, an important aphid biocontrol agent. We exposed beetles to topical applications of the field rate (FR) of these insecticides, fed them contaminated food (eggs of Ephestia kuehniella Zeller), and gave first-instar larvae 24-h exposures to leaf residues...
December 29, 2016: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28033394/correction-gw182-free-microrna-silencing-complex-controls-post-transcriptional-gene-expression-during-caenorhabditis-elegans-embryogenesis
#11
Guillaume Jannot, Pascale Michaud, Miguel Quévillon Huberdeau, Louis Morel-Berryman, James A Brackbill, Sandra Piquet, Katherine McJunkin, Kotaro Nakanishi, Martin J Simard
[This corrects the article DOI: 10.1371/journal.pgen.1006484.].
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/28030632/contribution-of-1p-19q-9p-and-10q-automated-analysis-by-fish-to-the-diagnosis-and-prognosis-of-oligodendroglial-tumors-according-to-who-2016-guidelines
#12
Karine Michaud, Marie de Tayrac, Myreille D'Astous, Céline Duval, Claudie Paquet, Oumar Samassekou, Peter Vincent Gould, Stéphan Saikali
OBJECTIVE: To study the feasibility and the diagnostic and prognostic interest of automated analysis of 1p, 19q, 9p and 10q status by FISH technique in oligodendroglial tumors. METHODS: We analyzed a retrospective series of 33 consecutive gliomas with oligodendroglial histology (originally diagnosed as 24 oligodendrogliomas and 9 oligoastrocytomas). For all cases, automated FISH analysis of 1p, 19q, 9p and 10q status were performed and compared to clinical and histological data, ATRX, IDH1R132H and alpha-internexin status (studied by immunohistochemistry) and overall survival (OS)...
2016: PloS One
https://www.readbyqxmd.com/read/28029753/performance-of-the-promis-29-item-profile-in-rheumatoid-arthritis-osteoarthritis-fibromyalgia-and-systemic-lupus-erythematosus
#13
Patricia Katz, Sofia Pedro, Kaleb Michaud
BACKGROUND: The Patient-Reported Outcomes Measurement Information System (PROMIS®) was developed to improve measurement of patient-reported outcomes. We examined performance of the PROMIS-29 Profile (P29) in persons with rheumatoid arthritis (RA), osteoarthritis (OA), fibromyalgia (FM), and systemic lupus erythematosus (SLE). METHODS: Participants in the National Data Bank for Rheumatic Diseases completed the P29, which includes 4-item forms for seven PROMIS domains...
December 28, 2016: Arthritis Care & Research
https://www.readbyqxmd.com/read/28028086/extending-the-ecology-of-fear-beyond-prey-reciprocal-nonconsumptive-effects-among-competing-aphid-predators
#14
J P Michaud, Paulo R R Barbosa, Clint L Bain, Jorge B Torres
Nonconsumptive effects of predators on prey are well known, but similar effects among competing predators are not. Aphidophagous insect larvae are notorious for cannibalism and intraguild predation, as they compete for aggregated but ephemeral prey. We tested for indirect effects of competitors on the development of Coleomegilla maculata DeGeer and Hippodamia convergens Guerin-Meneville (Coleoptera: Coccinellidae), and a green lacewing, Chrysoperla carnea Stephens (Neuroptera: Chrysopidae), with all larvae reared on eggs of Ephestia kuehniella Zeller (Lepidoptera: Pyralidae)...
December 2016: Environmental Entomology
https://www.readbyqxmd.com/read/28027273/oxygen-tension-beneath-scleral-lenses-of-different-clearances
#15
Claude J Giasson, Jeanne Morency, Marc Melillo, Langis Michaud
PURPOSE: To evaluate the relative partial pressure in oxygen (pO2) at the corneal surface under Boston XO2 scleral lenses (SL) fitted with targeted clearances of 200 and 400 μm (SL200 and SL400). METHODS: During this prospective study, the right eyes of eight normal subjects were fitted with SL200 and SL400. Clearance, validated after 5 minutes of wear with an optical coherence tomograph, was used with lens thicknesses to calculate transmissibility and estimate pO2...
December 23, 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28009807/social-disparities-in-exposure-to-point-of-sale-cigarette-marketing
#16
Mohammad Siahpush, Paraskevi A Farazi, Jungyoon Kim, Tzeyu L Michaud, Aaron M Yoder, Ghada Soliman, Melissa K Tibbits, Minh N Nguyen, Raees A Shaikh
While most ecological studies have shown that higher levels of point-of-sale (POS) cigarette marketing are associated with larger proportions of residents from lower socioeconomic and minority backgrounds in neighborhoods, there are no studies that examine individual-level social disparities in exposure to POS cigarette marketing among smokers in the United States. Our aim was to examine these disparities in a Midwestern metropolitan area in the United States. We conducted a telephone survey to collect data on 999 smokers...
December 21, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28004477/revisiting-autoimmune-gastritis-in-children-and-adolescents-with-type-1-diabetes
#17
Alix Besançon, Bénédicte Michaud, Jacques Beltrand, Tania Goncalves, Jean-Philippe Jais, Michel Polak, Lucienne Chatenoud, Jean-Jacques Robert
OBJECTIVE: Assess the frequency of anti-H(+) /K(+) adenosine triphosphatase (ATPase) autoantibodies (AAB) and symptoms of autoimmune gastritis in children and adolescents with type 1 diabetes (T1D). RESEARCH DESIGN AND METHODS: Anti-H(+) /K(+) ATPase AAB were measured in 402 children and adolescents (210 boys and 192 girls, 11.1 ± 4.5 years) treated for T1D (screened positive for β-cell AAB), along with search of symptoms of anemia (hemoglobin, serum iron, and ferritin levels) and gastric pain...
December 22, 2016: Pediatric Diabetes
https://www.readbyqxmd.com/read/27993661/impact-of-labile-metal-nanoparticles-on-cellular-homeostasis-current-developments-in-imaging-synthesis-and-applications
#18
REVIEW
Mireille Chevallet, Giulia Veronesi, Alexandra Fuchs, Elisabeth Mintz, Isabelle Michaud-Soret, Aurélien Deniaud
BACKGROUND: The use of nanomaterials is constantly increasing in electronics, cosmetics, food additives, and is emerging in advanced biomedical applications such as theranostics, bio-imaging and therapeutics. However their safety raises concerns and requires appropriate methods to analyze their fate in vivo. SCOPE OF REVIEW: In this review, we describe the current knowledge about the toxicity of labile metal (ZnO, CuO and Ag) nanoparticles (NPs) both at the organism and cellular levels, and describe the pathways that are triggered to maintain cellular homeostasis...
December 16, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27989545/physical-activity-and-sedentary-behavior-levels-in-children-and-adolescents-with-type-1-diabetes-using-insulin-pump-or-injection-therapy-the-importance-of-parental-activity-profile
#19
Isabelle Michaud, Mélanie Henderson, Laurent Legault, Marie-Eve Mathieu
In children and adolescents, treatments for type 1 diabetes (T1D) have recently evolved with the introduction of the insulin pump. However, little is known about how a pump is associated with physical activity (PA) patterns. The goal of the study was to examine the activity profile of Canadian children and adolescents with T1D according to their insulin treatment (pump vs. injections), as well as barriers to exercise and parental lifestyle habits. A self-administered questionnaire was completed by 188 subjects with T1D aged 6 to 17 and their parents at the endocrinology clinic of Sainte-Justine's University Hospital Center (Montreal, Canada)...
December 8, 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/27986212/postoperative-radiation-after-radical-prostatectomy
#20
REVIEW
Eric C Ko, Anthony L Michaud, Richard K Valicenti
A total of 3 randomized clinical trials have demonstrated a significant clinical benefit with adjuvant radiation in patients with high-risk prostate cancer after radical prostatectomy, with each showing improved biochemical control outcomes, and one trial (SWOG 8794) also demonstrating increased overall survival. How broadly these results have informed clinical practice has evolved over time, given the widespread availability of ultrasensitive prostate-specific antigen level testing and increased awareness that the high-risk patients are not a uniform cohort...
January 2017: Seminars in Radiation Oncology
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