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https://www.readbyqxmd.com/read/28100636/centriole-splitting-caused-by-loss-of-the-centrosomal-linker-protein-c-nap1-reduces-centriolar-satellite-density-and-impedes-centrosome-amplification
#1
Anne-Marie Flanagan, Elena Stavenschi, Shivakumar Basavaraju, David Gaboriau, David A Hoey, Ciaran G Morrison
Duplication of the centrosomes is a tightly regulated process. Abnormal centrosome numbers can impair cell division and cause changes in how cells migrate. Duplicated centrosomes are held together by a proteinaceous linker made up of rootletin filaments anchored to the centrioles by C-NAP1. This linker is removed in a NEK2A kinase-dependent manner as mitosis begins. To explore C-NAP1 activities in regulating centrosome activities, we used genome editing to ablate it. C-NAP1 null cells were viable and had an increased frequency of premature centriole separation, accompanied by reduced density of the centriolar satellites, with re-expression of C-NAP1 rescuing both these phenotypes...
January 18, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28099555/modulation-of-the-ultradian-human-nasal-cycle-by-sleep-stage-and-body-position
#2
Richard E Frye, Deborah F Rosin, Adrian R Morrison, Fidias E Leon-Sarmiento, Richard L Doty
Objective: The nasal cycle, which is present in a significant number of people, is an ultradian side-to-side rhythm of nasal engorgement associated with cyclic autonomic activity. We studied the nasal cycle during REM/non-REM sleep stages and examined the potentially confounding influence of body position on lateralized nasal airflow. Methods: Left- and right-side nasal airflow was measured in six subjects during an eight-hour sleep period using nasal thermistors...
January 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28099427/exposure-to-bisphenols-and-phthalates-and-association-with-oxidant-stress-insulinn-resistance-and-endothelial-dysfunction-in-children
#3
Anglina Kataria, Dov Levine, Sara Wertenteil, Suzanne Vento, Jingchuan Xue, Karthikraj Rajendiran, Kurunthachalam Kannan, Joshua M Thurman, Debra Morrison, Rachel Brody, Elaine Urbina, Teresa Attina, Leonardo Trasande, Howard Trachtman
BACKGROUND: The health effects of bisphenol A (BPA) and di-(2-ethylhexyl) phthalate (DEHP) have been studied extensively in children. The impact of other chemicals in these two classes has not been investigated as fully. METHODS: We conducted a cross-sectional pilot study of 10-13 year old healthy children. We assessed descriptive, univariable and multivariable associations of urinary metabolites of bisphenols and phthalates with oxidant stress, insulin resistance, body mass, and endothelial dysfunction...
January 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28097050/microbial-communities-mediating-algal-detritus-turnover-under-anaerobic-conditions
#4
Jessica M Morrison, Chelsea L Murphy, Kristina Baker, Richard M Zamor, Steve J Nikolai, Shawn Wilder, Mostafa S Elshahed, Noha H Youssef
BACKGROUND: Algae encompass a wide array of photosynthetic organisms that are ubiquitously distributed in aquatic and terrestrial habitats. Algal species often bloom in aquatic ecosystems, providing a significant autochthonous carbon input to the deeper anoxic layers in stratified water bodies. In addition, various algal species have been touted as promising candidates for anaerobic biogas production from biomass. Surprisingly, in spite of its ecological and economic relevance, the microbial community involved in algal detritus turnover under anaerobic conditions remains largely unexplored...
2017: PeerJ
https://www.readbyqxmd.com/read/28095401/the-nuclear-receptor-hizr-1-uses-zinc-as-a-ligand-to-mediate-homeostasis-in-response-to-high-zinc
#5
Kurt Warnhoff, Hyun C Roh, Zuzana Kocsisova, Chieh-Hsiang Tan, Andrew Morrison, Damari Croswell, Daniel L Schneider, Kerry Kornfeld
Nuclear receptors were originally defined as endocrine sensors in humans, leading to the identification of the nuclear receptor superfamily. Despite intensive efforts, most nuclear receptors have no known ligand, suggesting new ligand classes remain to be discovered. Furthermore, nuclear receptors are encoded in the genomes of primitive organisms that lack endocrine signaling, suggesting the primordial function may have been environmental sensing. Here we describe a novel Caenorhabditis elegans nuclear receptor, HIZR-1, that is a high zinc sensor in an animal and the master regulator of high zinc homeostasis...
January 2017: PLoS Biology
https://www.readbyqxmd.com/read/28093339/short-term-clinical-safety-profile-of-brincidofovir-a-favorable-benefit-risk-proposition-in-the-treatment-of-smallpox
#6
Greg Chittick, Marion Morrison, Thomas Brundage, W Garrett Nichols
Brincidofovir (BCV, CMX001) is an orally available, long-acting, broad-spectrum antiviral that has been evaluated in healthy subjects in Phase I studies and in hematopoietic cell transplant recipients and other immunocompromised patients in Phase II/III clinical trials for the prevention and treatment of cytomegalovirus and adenovirus infections. BCV has also shown in vitro activity against orthopoxviruses such as variola (smallpox) virus, and is under advanced development as a treatment for smallpox under the US FDA's 'Animal Rule'...
January 13, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28093318/massive-vulvar-linear-verrucous-epidermal-nevus-presenting-at-menarche
#7
Jaclyn Morrison, Adrienne Bonham
BACKGROUND: Epidermal nevi are benign hamartomatous growths of the skin that present at birth and develop in early childhood often linearly along the "lines of Blaschko". Verrucous linear epidermal nevi are the most common epidermal nevi and often are located on the trunk or extremities. There is minimal evidence regarding vulvar involvement and subsequent management of the associated cosmetic deformity in this anatomic location. CASE: An 11 year-old menarchal female who underwent full-thickness dermal excision of a 9...
January 13, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28089525/radiotherapeutic-management-of-vestibular-schwannomas-using-size-and-location-adapted-fractionation-regimens-to-maximize-the-therapeutic-ratio
#8
Benjamin G Slane, Uma Goyal, Joel L Grow, Christopher Morrison, Craig R Hullet, John Gordon, Abhay Sanan, Baldassarre Stea
BACKGROUND: We evaluated and compared the radiographic and clinical outcomes of patients with vestibular schwannomas treated with single fraction stereotactic radiosurgery (SRS), 5 fractions of hypofractionated stereotactic radiation therapy (hSRT), or 25 to 30 fractions of conventionally fractionated stereotactic radiation therapy (cfSRT). METHODS AND MATERIALS: Fifty-six patients treated with LINAC-based SRS (median, 12.5 Gy), hSRT (25 Gy), or cfSRT (median, 54 Gy) were retrospectively reviewed...
October 28, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28089269/reference-materials-for-neptunium-determination
#9
S M Jerome, K Carney, R Essex, M E Fassbender, S Goldberg, M Kinlaw, S P LaMont, D Mackney, J J Morrison, F M Nortier
No abstract text is available yet for this article.
December 25, 2016: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28089252/practical-approaches-for-whole-genome-sequence-analysis-of-heart-and-blood-related-traits
#10
Alanna C Morrison, Zhuoyi Huang, Bing Yu, Ginger Metcalf, Xiaoming Liu, Christie Ballantyne, Josef Coresh, Fuli Yu, Donna Muzny, Elena Feofanova, Navin Rustagi, Richard Gibbs, Eric Boerwinkle
Whole-genome sequencing (WGS) allows for a comprehensive view of the sequence of the human genome. We present and apply integrated methodologic steps for interrogating WGS data to characterize the genetic architecture of 10 heart- and blood-related traits in a sample of 1,860 African Americans. In order to evaluate the contribution of regulatory and non-protein coding regions of the genome, we conducted aggregate tests of rare variation across the entire genomic landscape using a sliding window, complemented by an annotation-based assessment of the genome using predefined regulatory elements and within the first intron of all genes...
January 5, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28088405/evaluation-of-factors-associated-with-immunoglobulin-g-fat-protein-and-lactose-concentrations-in-bovine-colostrum-and-colostrum-management-practices-in-grassland-based-dairy-systems-in-northern-ireland
#11
A Dunn, A Ashfield, B Earley, M Welsh, A Gordon, S J Morrison
The objectives of this study were to investigate colostrum feeding practices and colostrum quality on commercial grassland-based dairy farms, and to identify factors associated with colostrum quality that could help inform the development of colostrum management protocols. Over 1 yr, background information associated with dairy calvings and colostrum management practices were recorded on 21 commercial dairy farms. Colostrum samples (n = 1,239) were analyzed for fat, protein, lactose, and IgG concentration. A subset was analyzed for somatic cell count and total viable bacteria count...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28087458/medication-adherence-in-hematopoietic-stem-cell-transplant-a-review-of-the-literature
#12
REVIEW
Caroline F Morrison, Donna M Martsolf, Nicole Wehrkamp, Rebecca Tehan, Ahna L H Pai
Adherence to oral medications has been repeatedly shown to fall below the recommended 80-95% in pediatric and adult cancer populations. The purpose of this review is to report the state of the science about oral medication adherence during the acute phase of hematopoietic stem cell transplant across the lifespan. An exhaustive search of the literature yielded five records for inclusion in the review. Two studies examined adherence in pediatrics, two in adults, and one included both pediatric and adult patients...
January 10, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28087056/extraction-chromatographic-separations-of-tantalum-and-tungsten-from-hafnium-and-complex-matrix-constituents
#13
Mathew S Snow, Martha R Finck, Kevin P Carney, Samuel S Morrison
Tantalum (Ta), hafnium (Hf), and tungsten (W) analyses from complex matrices require high purification of these analytes from each other and major/trace matrix constituents, however, current state-of-the-art Ta/Hf/W separations rely on traditional anion exchange approaches that show relatively similar distribution coefficient (Kd) values for each element. This work reports an assessment of three commercially available extraction chromatographic resins (TEVA, TRU, and UTEVA) for Ta/Hf/W separations. Batch contact studies show differences in Ta/Hf and Ta/W Kd values of up to 10(6) and 10(4) (respectively), representing an improvement of a factor of 100 and 300 in Ta/Hf and Ta/W Kd values (respectively) over AG1×4 resin...
January 8, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28078389/responses-of-a-federally-endangered-songbird-to-understory-thinning-in-oak-juniper-woodlands
#14
Ashley M Long, Mike E Marshall, Michael L Morrison, K Brian Hays, Shannon L Farrell
Wildlife conservation and management on military lands must be accomplished in the context of military readiness, which often includes ground-based training that is perceived to conflict with wildlife needs and environmental regulations. From 2008‒2012, we examined territory density, pairing success, and fledging success of the federally endangered golden-cheeked warbler (Setophaga chrysoparia; hereafter warbler) in relation to removal of small-diameter trees from the understory of mature oak-juniper (Quercus-Juniperus) woodland at the 87,890 ha Fort Hood Military Reservation in central Texas...
January 11, 2017: Environmental Management
https://www.readbyqxmd.com/read/28071357/effects-of-the-kir7-1-blocker-vu590-on-spontaneous-and-agonist-induced-contractions-of-human-pregnant-myometrium
#15
Denis J Crankshaw, David A Crosby, John J Morrison
KIR7.1, an inwardly rectifying K(+) channel, plays a critical role in regulating uterine excitability during pregnancy and has been suggested as a potential new target for the treatment of conditions arising from dysfunctional uterine contractility, for example, atonic postpartum hemorrhage. The aim of this study was to investigate the effects of the selective KIR7.1 blocker, VU590, on both spontaneous and agonist-stimulated contractions of human pregnant myometrium in vitro. At a concentration of 20 µmol/L, VU590 significantly increased the mean contractile force and the frequency of spontaneous contractions ( P < 0...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28070300/a-before-after-control-impact-assessment-to-understand-the-potential-impacts-of-highway-construction-noise-and-activity-on-an-endangered-songbird
#16
Ashley M Long, Melanie R Colón, Jessica L Bosman, Dianne H Robinson, Hannah L Pruett, Tiffany M McFarland, Heather A Mathewson, Joseph M Szewczak, J Cal Newnam, Michael L Morrison
Anthropogenic noise associated with highway construction and operation can have individual- and population-level consequences for wildlife (e.g., reduced densities, decreased reproductive success, behavioral changes). We used a before-after control-impact study design to examine the potential impacts of highway construction and traffic noise on endangered golden-cheeked warblers (Setophaga chrysoparia; hereafter warbler) in urban Texas. We mapped and monitored warbler territories before (2009-2011), during (2012-2013), and after (2014) highway construction at three study sites: a treatment site exposed to highway construction and traffic noise, a control site exposed only to traffic noise, and a second control site exposed to neither highway construction or traffic noise...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28067674/a-pathology-of-mesh-and-time-dysejaculation-sexual-pain-and-orchialgia-resulting-from-polypropylene-mesh-erosion-into-the-spermatic-cord
#17
Vladimir Iakovlev, Andreas Koch, Kevin Petersen, John Morrison, David Grischkan, Vali Oprea, Robert Bendavid
OBJECTIVE: The ubiquitous use of polypropylene mesh in hernia surgery has spawned a new clinical syndrome: chronic post-herniorrhaphy neuralgia. A subset of that clinical picture is dysejaculation, sexual pain, and orchialgia. We propose to identify the processes that lead to that pain. SUMMARY OF BACKGROUND DATA: Specimens of vas adherent to polypropylene mesh, explanted in an attempt to control severe, life-changing inguinodynia are extremely difficult to obtain...
January 6, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28067138/acting-president-s-annual-state-of-the-academy-report
#18
Chris Morrison
No abstract text is available yet for this article.
January 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28065829/medullary-reticular-neurons-mediate-neuropeptide-y-induced-metabolic-inhibition-and-mastication
#19
Yoshiko Nakamura, Yuchio Yanagawa, Shaun F Morrison, Kazuhiro Nakamura
Hypothalamic neuropeptide Y (NPY) elicits hunger responses to increase the chances of surviving starvation: an inhibition of metabolism and an increase in feeding. Here we elucidate a key central circuit mechanism through which hypothalamic NPY signals drive these hunger responses. GABAergic neurons in the intermediate and parvicellular reticular nuclei (IRt/PCRt) of the medulla oblongata, which are activated by NPY-triggered neural signaling from the hypothalamus, potentially through the nucleus tractus solitarius, mediate the NPY-induced inhibition of metabolic thermogenesis in brown adipose tissue (BAT) via their innervation of BAT sympathetic premotor neurons...
January 4, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28065330/impact-of-personalized-report-cards-on-nurses-managing-central-lines
#20
Theresa Morrison, Jacqueline Raffaele, Laura Brennaman
BACKGROUND: The purpose of this quality improvement project was to determine the effect of providing feedback to managers and bedside nurses on the nurses' central line-associated bloodstream infection (CLABSI) contributing factors, found on visual and documentation audits. METHODS: This nonexperimental, quality improvement project was conducted in a 715-bed, 2-campus acute care community hospital health care system in Southwest Florida. The intervention consisted of providing confidential feedback on central line audits deviations, through the systematic delivery of unit case reports and personalized nurse report cards...
January 1, 2017: American Journal of Infection Control
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