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https://www.readbyqxmd.com/read/28337574/the-rs504393-influences-the-level-of-nociceptive-factors-and-enhances-opioid-analgesic-potency-in-neuropathic-rats
#1
Klaudia Kwiatkowski, Anna Piotrowska, Ewelina Rojewska, Wioletta Makuch, Joanna Mika
Increasing evidence has indicated that activated glial cells releasing nociceptive factors, such as interleukins and chemokines, are of key importance for neuropathic pain. Significant changes in the production of nociceptive factors are associated with the low effectiveness of opioids in neuropathic pain. Recently, it has been suggested that CCL2/CCR2 signaling is important for nociception. Here, we studied the time course changes in the mRNA/protein level of CD40/Iba-1, CCL2 and CCR2 in the spinal cord/dorsal root ganglia (DRG) in rats following chronic constriction injury (CCI) of the sciatic nerve...
March 23, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28298447/structural-and-functional-characterization-of-caenorhabditis-elegans-%C3%AE-catenin-reveals-constitutive-binding-to-%C3%AE-catenin-and-f-actin
#2
Hyunook Kang, Injin Bang, Kyeong Sik Jin, Boyun Lee, Junho Lee, Xiangqiang Shao, Jonathon A Heier, Adam V Kwiatkowski, W James Nelson, Jeff Hardin, William I Weis, Hee-Jung Choi
Intercellular epithelial junctions formed by classical cadherins, β-catenin and the actin-binding protein α-catenin link the actin cytoskeletons of adjacent cells into a structural continuum. These assemblies transmit forces through the tissue and respond to intracellular and extracellular signals. However, the mechanisms of junctional assembly and regulation are poorly understood. Studies of cadherin-catenin assembly in a number of metazoans have revealed both similarities and unexpected differences in the biochemical properties of the cadherin/catenin complex that likely reflect the developmental and environmental requirements of different tissues and organisms...
March 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28296538/hemolytic-uremic-syndrome-findings-of-post-acute-renal-failure-in-light-and-electron-microscopy
#3
Wiesława Salwa-Żurawska, Jakub Żurawski, Aldona Woźniak, Elżbieta Bortkiewicz, Paweł Burchardt, Przemysław Kwiatkowski, Monika Seget, Piotr Tabaczewski
The blood count test results of six patients (five male adolescents and one female adult) who were diagnosed with the hemolytic-uremic syndrome are presented. Certain diverse lesions and especially, their different intensity, were observed. They were referred to the clinical process and the time from syndrome occurrence to biopsy.
March 15, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28268000/speciation-analysis-and-bioaccessibility-evaluation-of-trace-elements-in-goji-berries-lycium-barbarum-l
#4
Justyna Wojcieszek, Piotr Kwiatkowski, Lena Ruzik
Goji berries (Lycium Barbarum, L.) are known for their nutritional potential as a great source of trace metals (e.g., copper, zinc and manganese) which are present in the form of highly bioaccessible compounds. In order to assess the bioaccessibility of trace elements and to identify compounds responsible for better bioaccessibility of copper and zinc, an in vitro simulation of gastrointestinal digestion was used in this study. The total content of trace metals was evaluated using sample digestion followed by inductively coupled plasma mass spectrometry...
March 1, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28241247/peritoneal-dialysis-vs-furosemide-for-prevention-of-fluid-overload-in-infants-after-cardiac-surgery-a-randomized-clinical-trial
#5
David M Kwiatkowski, Stuart L Goldstein, David S Cooper, David P Nelson, David L S Morales, Catherine D Krawczeski
Importance: Fluid overload after congenital heart surgery is frequent and a major cause of morbidity and mortality among infants. Many programs have adopted the use of peritoneal dialysis (PD) for fluid management; however, its benefits compared with those of traditional diuretic administration are unknown. Objective: To determine whether infants randomized to PD vs furosemide for the treatment of oliguria have a higher incidence of negative fluid balance on postoperative day 1, as well as avoidance of 10% fluid overload; shorter duration of mechanical ventilation, intensive care unit stay, and inotrope use; and fewer electrolyte abnormalities...
February 20, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28218232/corrigendum-thz1-targeting-cdk7-suppresses-stat-transcriptional-activity-and-sensitizes-t-cell-lymphomas-to-bcl2-inhibitors
#6
Florencia Cayrol, Pannee Praditsuktavorn, Tharu M Fernando, Nicholas Kwiatkowski, Rossella Marullo, M Nieves Calvo-Vidal, Jude Phillip, Benet Pera, Shao Ning Yang, Kaipol Takpradit, Lidia Roman, Marcello Gaudiano, Ramona Crescenzo, Jia Ruan, Giorgio Inghirami, Tinghu Zhang, Graciela Cremaschi, Nathanael S Gray, Leandro Cerchietti
No abstract text is available yet for this article.
February 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28215259/reduced-afferent-induced-facilitation-of-primary-motor-cortex-excitability-in-restless-legs-syndrome
#7
P Bocquillon, C Charley-Monaca, E Houdayer, A Marques, A Kwiatkowski, P Derambure, H Devanne
Restless legs syndrome (RLS) is characterized by the association of an urge to move, and vesperal or nocturnal sensory symptoms; it is frequently associated with periodic limb movements. Evidence from imaging and electrophysiological studies suggests that RLS is linked to changes in sensorimotor integration. Nevertheless, the underlying mechanisms have not been characterized, and the cortical origin has yet to be confirmed. The objective of the present study was to establish whether or not sensorimotor integration in RLS patients is impaired in the evening...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28214367/population-genetic-structure-and-adaptation-of-malaria-parasites-on-the-edge-of-endemic-distribution
#8
Craig W Duffy, Hampate Ba, Samuel Assefa, Ambroise D Ahouidi, Yacine B Deh, Abderahmane Tandia, Freja C M Kirsebom, Dominic P Kwiatkowski, David J Conway
To determine whether the major human malaria parasite Plasmodium falciparum exhibits fragmented population structure or local adaptation at the northern limit of its African distribution where the dry Sahel zone meets the Sahara, samples were collected from diverse locations within Mauritania over a range of ~ 1000 kilometres. Microsatellite genotypes were obtained for 203 clinical infection samples from eight locations, and Illumina paired-end sequences were obtained to yield high coverage genome-wide single nucleotide polymorphism (SNP) data for 65 clinical infection samples from four locations...
February 18, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28212895/the-influence-of-enteral-obestatin-administration-to-suckling-rats-on-intestinal-contractility
#9
M Słupecka, P Grzesiak, J Kwiatkowski, M Gajewska, A Kuwahara, I Kato, J Woliński
This study investigated the effect of enteral administration of obestatin on the contractility of whole-thickness preparations of duodenum and middle jejunum, as well as on the morphology of the enteric nervous system (ENS). Suckling rats were assigned to 3 groups (n=12) treated with: C-saline solution; LO-obestatin (125nmol/kgb.wt); HO-obestatin (250nmol/kgb.wt). Saline solution or obestatin were administered twice daily, from the 14th to the 21st day of life. Sections were studied in an organ bath, for isometric recording in the presence of acetylocholine (ACh), atropine (ATR) and tetradotoxin (TTX)...
February 16, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28181482/small-genomic-insertions-form-enhancers-that-misregulate-oncogenes
#10
Brian J Abraham, Denes Hnisz, Abraham S Weintraub, Nicholas Kwiatkowski, Charles H Li, Zhaodong Li, Nina Weichert-Leahey, Sunniyat Rahman, Yu Liu, Julia Etchin, Benshang Li, Shuhong Shen, Tong Ihn Lee, Jinghui Zhang, A Thomas Look, Marc R Mansour, Richard A Young
The non-coding regions of tumour cell genomes harbour a considerable fraction of total DNA sequence variation, but the functional contribution of these variants to tumorigenesis is ill-defined. Among these non-coding variants, somatic insertions are among the least well characterized due to challenges with interpreting short-read DNA sequences. Here, using a combination of Chip-seq to enrich enhancer DNA and a computational approach with multiple DNA alignment procedures, we identify enhancer-associated small insertion variants...
February 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28176890/contextualizing-the-relevance-of-basic-sciences-small-group-simulation-with-debrief-for-first-and-second-year-medical-students-in-an-integrated-curriculum
#11
Samara B Ginzburg, Judith Brenner, Michael Cassara, Thomas Kwiatkowski, Joanne M Willey
AIM: There has been a call for increased integration of basic and clinical sciences during preclinical years of undergraduate medical education. Despite the recognition that clinical simulation is an effective pedagogical tool, little has been reported on its use to demonstrate the relevance of basic science principles to the practice of clinical medicine. We hypothesized that simulation with an integrated science and clinical debrief used with early learners would illustrate the importance of basic science principles in clinical diagnosis and management of patients...
2017: Advances in Medical Education and Practice
https://www.readbyqxmd.com/read/28171863/a-retrospective-study-on-the-onset-of-menopause-after-chemotherapy-analysis-of-data-extracted-from-the-jean-perrin-comprehensive-cancer-center-database-concerning-345-young-breast-cancer-patients-diagnosed-between-1994-and-2012
#12
Joyce Dohou, Marie-Ange Mouret-Reynier, Fabrice Kwiatkowski, Marie Arbre, Pauline Herviou, Mélanie Pouget, Catherine Abrial, Frédérique Penault-Llorca
OBJECTIVE: Young breast cancer (BC) patients receiving chemotherapy are at risk of chemotherapy-induced menopause (CIM). We sought to define the incidence rate of premature menopause after chemotherapy and to retrospectively investigate factors related to the onset of menopause. METHODS: We identified BC patients who had received chemotherapy at the Cancer Center (Centre Jean-Perrin). We selected premenopausal women aged between 18 and 50 years at the moment of diagnosis who received chemotherapy between 1994 and 2012...
February 8, 2017: Oncology
https://www.readbyqxmd.com/read/28155826/comprehensive-treatment-of-the-multiply-injured-patient-a-case-study
#13
Piotr Piekarczyk, Krzysztof Kwiatkowski, Konrad Borcz, Krzysztof Piątkowski, Robert Skowronek
BACKGROUND: We describe the case of a 35-year-old man who suffered multiple organ injuries following a traffic accident. CASE REPORT: A total of 47 fractures were diagnosed in that patient. He was treated in stages according to the principles of Damage Control Orthopedics. He underwent 6 sessions of surgery with 23 surgical approaches. A follow-up examination at 12 months post injury found bone union of all fractures. The clinical and functional outcome of treatment was good as joint mobility was similar to the pre-accident status and the patient returned to work...
March 23, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28147693/inverse-collimated-proton-radiography-for-imaging-thin-materials
#14
Matthew S Freeman, Jason Allison, Malcolm Andrews, Eric Ferm, John J Goett, Kris Kwiatkowski, Julian Lopez, Fesseha Mariam, Mark Marr-Lyon, Michael Martinez, Jason Medina, Patrick Medina, Frank E Merrill, Chris L Morris, Matthew M Murray, Paul Nedrow, Levi P Neukirch, Katherine Prestridge, Paolo Rigg, Alexander Saunders, Tamsen Schurman, Amy Tainter, Frans Trouw, Dale Tupa, Josh Tybo, Wendy Vogan-McNeil, Carl Wilde
Relativistic, magnetically focused proton radiography was invented at Los Alamos National Laboratory using the 800 MeV LANSCE beam and is inherently well-suited to imaging dense objects, at areal densities >20 g cm(-2). However, if the unscattered portion of the transmitted beam is removed at the Fourier plane through inverse-collimation, this system becomes highly sensitive to very thin media, of areal densities <100 mg cm(-2). Here, this inverse-collimation scheme is described in detail and demonstrated by imaging Xe gas with a shockwave generated by an aluminum plate compressing the gas at Mach 8...
January 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28138899/case-control-study-of-postoperative-blood-pressure-in-patients-with-hemorrhagic-complications-after-laparoscopic-sleeve-gastrectomy-and-matched-controls
#15
Michał Robert Janik, Tomasz Rogula, Piotr Kowalewski, Maciej Walędziak, Maciej Matłok, Jakub Brągoszewski, Andrzej Kwiatkowski, Krzysztof Paśnik
INTRODUCTION: Laparoscopic sleeve gastrectomy is associated with a moderate risk of hemorrhagic complications (HC). There is a debate regarding the relationship between HC and high blood pressure in postoperative period. AIM: The aim is to clarify whether the postoperative blood pressure is an independent risk factor for hemorrhagic complications after laparoscopic sleeve gastrectomy. METHODS: Medical records of 522 patients were reviewed...
January 30, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28134252/thz1-targeting-cdk7-suppresses-stat-transcriptional-activity-and-sensitizes-t-cell-lymphomas-to-bcl2-inhibitors
#16
Florencia Cayrol, Pannee Praditsuktavorn, Tharu M Fernando, Nicholas Kwiatkowski, Rosella Marullo, M Nieves Calvo-Vidal, Jude Phillip, Benet Pera, Shao Ning Yang, Kaipol Takpradit, Lidia Roman, Marcello Gaudiano, Ramona Crescenzo, Jia Ruan, Giorgio Inghirami, Tinghu Zhang, Graciela Cremaschi, Nathanael S Gray, Leandro Cerchietti
Peripheral T-cell lymphomas (PTCL) are aggressive diseases with poor response to chemotherapy and dismal survival. Identification of effective strategies to target PTCL biology represents an urgent need. Here we report that PTCL are sensitive to transcription-targeting drugs, and, in particular, to THZ1, a covalent inhibitor of cyclin-dependent kinase 7 (CDK7). The STAT-signalling pathway is highly vulnerable to THZ1 even in PTCL cells that carry the activating STAT3 mutation Y640F. In mutant cells, CDK7 inhibition decreases STAT3 chromatin binding and expression of highly transcribed target genes like MYC, PIM1, MCL1, CD30, IL2RA, CDC25A and IL4R...
January 30, 2017: Nature Communications
https://www.readbyqxmd.com/read/28125584/the-real-mccoil-a-method-for-the-concurrent-estimation-of-the-complexity-of-infection-and-snp-allele-frequency-for-malaria-parasites
#17
Hsiao-Han Chang, Colin J Worby, Adoke Yeka, Joaniter Nankabirwa, Moses R Kamya, Sarah G Staedke, Grant Dorsey, Maxwell Murphy, Daniel E Neafsey, Anna E Jeffreys, Christina Hubbart, Kirk A Rockett, Roberto Amato, Dominic P Kwiatkowski, Caroline O Buckee, Bryan Greenhouse
As many malaria-endemic countries move towards elimination of Plasmodium falciparum, the most virulent human malaria parasite, effective tools for monitoring malaria epidemiology are urgent priorities. P. falciparum population genetic approaches offer promising tools for understanding transmission and spread of the disease, but a high prevalence of multi-clone or polygenomic infections can render estimation of even the most basic parameters, such as allele frequencies, challenging. A previous method, COIL, was developed to estimate complexity of infection (COI) from single nucleotide polymorphism (SNP) data, but relies on monogenomic infections to estimate allele frequencies or requires external allele frequency data which may not available...
January 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28117441/plasmodium-malariae-and-p-ovale-genomes-provide-insights-into-malaria-parasite-evolution
#18
Gavin G Rutledge, Ulrike Böhme, Mandy Sanders, Adam J Reid, James A Cotton, Oumou Maiga-Ascofare, Abdoulaye A Djimdé, Tobias O Apinjoh, Lucas Amenga-Etego, Magnus Manske, John W Barnwell, François Renaud, Benjamin Ollomo, Franck Prugnolle, Nicholas M Anstey, Sarah Auburn, Ric N Price, James S McCarthy, Dominic P Kwiatkowski, Chris I Newbold, Matthew Berriman, Thomas D Otto
Elucidation of the evolutionary history and interrelatedness of Plasmodium species that infect humans has been hampered by a lack of genetic information for three human-infective species: P. malariae and two P. ovale species (P. o. curtisi and P. o. wallikeri). These species are prevalent across most regions in which malaria is endemic and are often undetectable by light microscopy, rendering their study in human populations difficult. The exact evolutionary relationship of these species to the other human-infective species has been contested...
February 2, 2017: Nature
https://www.readbyqxmd.com/read/28117431/culture-adaptation-of-malaria-parasites-selects-for-convergent-loss-of-function-mutants
#19
Antoine Claessens, Muna Affara, Samuel A Assefa, Dominic P Kwiatkowski, David J Conway
Cultured human pathogens may differ significantly from source populations. To investigate the genetic basis of laboratory adaptation in malaria parasites, clinical Plasmodium falciparum isolates were sampled from patients and cultured in vitro for up to three months. Genome sequence analysis was performed on multiple culture time point samples from six monoclonal isolates, and single nucleotide polymorphism (SNP) variants emerging over time were detected. Out of a total of five positively selected SNPs, four represented nonsense mutations resulting in stop codons, three of these in a single ApiAP2 transcription factor gene, and one in SRPK1...
January 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102155/surgical-treatment-of-radial-head-fractures-outcomes-and-complications
#20
Bartosz Chwedczuk, Piotr Piekarczyk, Krzysztof Kwiatkowski, Krzysztof Piątkowski
BACKGROUND: Appropriate treatment of radial head fractures remains an area of disputes and controversy. The present paper aims to assess the outcomes of surgical fixation of these injuries and identify the most common complications. MATERIAL AND METHODS: The medical records of 63 patients (25 women and 38 men) treated in 2011 -2014 were analysed retrospectively. The treatment outcomes were assessed according to the Broberg and Morrey rating system and the QuickDASH score...
October 28, 2016: Ortopedia, Traumatologia, Rehabilitacja
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