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https://www.readbyqxmd.com/read/29149303/changes-in-cytokine-filarial-antigen-and-dna-levels-associated-with-adverse-events-following-treatment-of-lymphatic-filariasis
#1
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/29146018/biological-treatments-in-giant-cell-arteritis-takayasu-arteritis
#2
Maxime Samson, Georgina Espígol-Frigolé, Nekane Terrades-García, Sergio Prieto-González, Marc Corbera-Bellalta, Roser Alba-Rovira, José Hernández-Rodríguez, Sylvain Audia, Bernard Bonnotte, Maria C Cid
Giant cell arteritis (GCA) and Takayasu arteritis (TAK) are the two main large vessel vasculitides. They share some similarities regarding their clinical, radiological and histological presentations but some pathogenic processes in GCA and TAK are activated differently, thus explaining their different sensitivity to biological therapies. The treatment of GCA and TAK essentially relies on glucocorticoids. However, thanks to major progress in our understanding of their pathogenesis, the role of biological therapies in the treatment of these two vasculitides is expanding, especially in relapsing or refractory diseases...
November 13, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/29143984/crispr-cas9-mediated-knockout-of-lim-domain-only-4-retards-organ-of-corti-cell-growth
#3
Rajamani Rathinam, Rita Rosati, Samson Jamesdaniel
Lim-domain only 4 (LMO4) plays a critical role in mediating the ototoxic side-effects of cisplatin, a highly effective anti-cancer drug. However, the signaling mechanism by which cochlear LMO4 mediates otopathology is yet to be fully understood. Knockout cell culture models are useful tools for investigating the functional roles of novel genes and delineating associated signaling pathways. Therefore, LMO4 knockout organ of Corti cells were generated by using the CRISPR (clustered regularly interspersed short palindromic repeats)/Cas9 (CRISPR-associated protein 9) system...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143788/thermal-degradation-kinetics-of-sugarcane-bagasse-and-soft-wood-cellulose
#4
Samson M Mohomane, Tshwafo E Motaung, Neerish Revaprasadu
The properties of untreated sugar cane bagasse (SCB) and soft wood (SW) and their respective celluloses were investigated. The celluloses indicated improved crystallinity index values and decreased concentration of lignin and hemicellulose compared to their untreated counterparts. Three degradation models, Kissinger-Akahira-Sunose (KAS), Flynn-Wall-Ozawa (OFW), and Kissinger (KGR) methods were employed to determine apparent activation energy values. Generally, the thermal degradation processes of both sugarcane bagasse and soft wood included dehydration, degradation of hemicellulose and cellulose, whereas the lignin degraded from the degradation temperature of hemicellulose to the end of the cellulose...
October 28, 2017: Materials
https://www.readbyqxmd.com/read/29141868/geographic-clonal-tracking-in-macaques-provides-insights-into-hspc-migration-and-differentiation
#5
Chuanfeng Wu, Diego A Espinoza, Samson J Koelle, E Lake Potter, Rong Lu, Brian Li, Di Yang, Xing Fan, Robert E Donahue, Mario Roederer, Cynthia E Dunbar
The geographic distribution of hematopoiesis at a clonal level is of interest in understanding how hematopoietic stem and progenitor cells (HSPCs) and their progeny interact with bone marrow (BM) niches during regeneration. We tagged rhesus macaque autologous HSPCs with genetic barcodes, allowing clonal tracking over time and space after transplantation. We found marked geographic segregation of CD34(+) HSPCs for at least 6 mo posttransplantation, followed by very gradual clonal mixing at different BM sites over subsequent months to years...
November 15, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29140940/rapid-infliximab-infusion-in-children-with-inflammatory-bowel-disease-a-multicenter-north-american-experience
#6
Wael El-Matary, Dana M H Dykes, Laura Bauman, Abdul Elkadri, Matthew W Carroll, Marisa R Izaguirre, Jennifer deBruyn, Charles M Samson, Alisa Muniz Crim, Sabina Ali, Andrew Grossman
BACKGROUND: Infliximab (IFX) infusion may lead to development of anti-IFX antibodies, and subsequent infusion reactions (IRs). The safety of rapid IFX infusion administered over 60 minutes has been under-investigated in children with inflammatory bowel disease. In a multicenter study, the frequency and nature of rapid infusion-associated IRs were examined. METHODS: The medical records of all consecutive children with inflammatory bowel disease receiving rapid IFX infusions between January 2014 and December 2016 were reviewed...
December 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29139215/treatment-utilization-and-outcomes-in-elderly-patients-with-locally-advanced-esophageal-carcinoma-a-review-of-the-national-cancer-database
#7
Gregory Vlacich, Pamela P Samson, Stephanie M Perkins, Michael C Roach, Parag J Parikh, Jeffrey D Bradley, A Craig Lockhart, Varun Puri, Bryan F Meyers, Benjamin Kozower, Cliff G Robinson
For elderly patients with locally advanced esophageal cancer, therapeutic approaches and outcomes in a modern cohort are not well characterized. Patients ≥70 years old with clinical stage II and III esophageal cancer diagnosed between 1998 and 2012 were identified from the National Cancer Database and stratified based on treatment type. Variables associated with treatment utilization were evaluated using logistic regression and survival evaluated using Cox proportional hazards analysis. Propensity matching (1:1) was performed to help account for selection bias...
November 15, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29137950/linking-race-cancer-outcomes-and-tissue-repair
#8
REVIEW
Jung S Byun, Samson Park, Ambar Caban, Alana Jones, Kevin Gardner
The burden of cancer in the United States is unevenly spread across its different populations, with stark differences in both disease prevalence and outcome based on race and ethnicity. Although a large portion of these differences can be explained by a variety of socio-behavioral and socio-economic factors, even after these exposures are taken into consideration, significant disparities persist. In this review, we explore a conceptual framework of biological theories and unifying concepts, based on an evolutionary perspective, that may help better define common guiding principles for exploration of underlying etiologies of cancer health disparities...
November 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29135780/examining-measures-of-income-and-poverty-in-medicare-administrative-data
#9
Lok Wong Samson, Kenneth Finegold, Azeem Ahmed, Matthew Jensen, Clara E Filice, Karen E Joynt
Disparities by economic status are observed in the health status and health outcomes of Medicare beneficiaries. For health services and health policy researchers, one barrier to addressing these disparities is the ability to use Medicare data to ascertain information about an individual's income level or poverty, because Medicare administrative data contains limited information about individual economic status. Information gleaned from other sources-such as the Medicaid and Supplemental Security Income programs-can be used in some cases to approximate the income of Medicare beneficiaries...
December 2017: Medical Care
https://www.readbyqxmd.com/read/29133706/a-randomized-placebo-controlled-trial-of-progesterone-with-or-without-hypothermia-in-patients-with-acute-severe-traumatic-brain-injury
#10
Sumit Sinha, Amol Raheja, Neha Samson, Keshav Goyal, Sanjeev Bhoi, Arul Selvi, Pushpa Sharma, Bhawani Shankar Sharma
OBJECTIVE: Among newer neuroprotectant modalities, hypothermia and progesterone have shown a beneficial role in preliminary studies enrolling patients with severe traumatic brain injury (sTBI). The primary objective of this study was to evaluate the efficacy of progesterone with or without prophylactic hypothermia in acute sTBI patients. MATERIALS AND METHODS: This is a prospective, outcome assessor, statistician blinded, randomized, and placebo-controlled phase II trial of progesterone with or without hypothermia (factorial design)...
November 2017: Neurology India
https://www.readbyqxmd.com/read/29133314/decisional-needs-assessment-of-patients-with-complex-care-needs-in-primary-care-a-participatory-systematic-mixed-studies-review-protocol
#11
Mathieu Bujold, Pierre Pluye, France Légaré, Jeannie Haggerty, Genevieve C Gore, Reem El Sherif, Marie-Eve Poitras, Marie-Claude Beaulieu, Marie-Dominique Beaulieu, Paula L Bush, Yves Couturier, Beatrice Débarges, Justin Gagnon, Anik Giguère, Roland Grad, Vera Granikov, Serge Goulet, Catherine Hudon, Bernardo Kremer, Edeltraut Kröger, Irina Kudrina, Bertrand Lebouché, Christine Loignon, Marie-Therese Lussier, Cristiano Martello, Quynh Nguyen, Rebekah Pratt, Benoit Rihoux, Ellen Rosenberg, Isabelle Samson, Nicolas Senn, David Li Tang, Masashi Tsujimoto, Isabelle Vedel, Bruno Ventelou, Michel Wensing
INTRODUCTION: Patients with complex care needs (PCCNs) often suffer from combinations of multiple chronic conditions, mental health problems, drug interactions and social vulnerability, which can lead to healthcare services overuse, underuse or misuse. Typically, PCCNs face interactional issues and unmet decisional needs regarding possible options in a cascade of interrelated decisions involving different stakeholders (themselves, their families, their caregivers, their healthcare practitioners)...
November 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/29124904/mind-the-gaps-in-research-on-the-control-of-gastrointestinal-nematodes-of-farmed-ruminants-and-pigs
#12
J Charlier, S M Thamsborg, D J Bartley, P J Skuce, F Kenyon, T Geurden, H Hoste, A R Williams, S Sotiraki, J Höglund, C Chartier, P Geldhof, J van Dijk, L Rinaldi, E R Morgan, G von Samson-Himmelstjerna, J Vercruysse, E Claerebout
Gastrointestinal (GI) nematode control has an important role to play in increasing livestock production from a limited natural resource base and to improve animal health and welfare. In this synthetic review, we identify key research priorities for GI nematode control in farmed ruminants and pigs, to support the development of roadmaps and strategic research agendas by governments, industry and policymakers. These priorities were derived from the DISCONTOOLS gap analysis for nematodes and follow-up discussions within the recently formed Livestock Helminth Research Alliance (LiHRA)...
November 10, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29124074/rare-case-of-duodenal-metastasis-from-pulmonary-squamous-cell-carcinoma
#13
Zain Memon, Samson Ferm, Constantine Fisher, Akil Hassam, Jean Luo, Sang Hoon Kim
Pulmonary squamous cell carcinoma is the second most common non-small cell malignancy of the lung. It commonly metastasizes to the adrenal glands, bone, liver, brain, and kidneys. Most occurrences of metastatic squamous cell carcinoma involving the gastrointestinal tract originate from primary lung tumors. Metastasis to the duodenum, however, is exceedingly rare, with very few cases of stomach or duodenal involvement described in the literature. We report the case of a patient with stage IV pulmonary squamous cell carcinoma metastasizing to the duodenum with an uncommon presentation to add to the paucity of literature available regarding this rare finding...
October 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29122935/in-vivo-measurements-of-interindividual-differences-in-dna-glycosylases-and-ape1-activities
#14
Isaac A Chaim, Zachary D Nagel, Jennifer J Jordan, Patrizia Mazzucato, Le P Ngo, Leona D Samson
The integrity of our DNA is challenged with at least 100,000 lesions per cell on a daily basis. Failure to repair DNA damage efficiently can lead to cancer, immunodeficiency, and neurodegenerative disease. Base excision repair (BER) recognizes and repairs minimally helix-distorting DNA base lesions induced by both endogenous and exogenous DNA damaging agents. Levels of BER-initiating DNA glycosylases can vary between individuals, suggesting that quantitating and understanding interindividual differences in DNA repair capacity (DRC) may enable us to predict and prevent disease in a personalized manner...
November 9, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29121562/p-glycoproteins-play-a-role-in-ivermectin-resistance-in-cyathostomins
#15
L E Peachey, G L Pinchbeck, J B Matthews, F A Burden, A Lespine, G von Samson-Himmelstjerna, J Krücken, J E Hodgkinson
Anthelmintic resistance is a global problem that threatens sustainable control of the equine gastrointestinal cyathostomins (Phylum Nematoda; Superfamily Strongyloidea). Of the three novel anthelmintic classes that have reached the veterinary market in the last decade, none are currently licenced in horses, hence current control regimens focus on prolonging the useful lifespan of licenced anthelmintics. This approach would be facilitated by knowledge of the resistance mechanisms to the most widely used anthelmintics, the macrocyclic lactones (ML)...
October 25, 2017: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/29121144/positron-emission-tomography-computed-tomography-based-assessments-of-androgen-receptor-expression-and-glycolytic-activity-as-a-prognostic-biomarker-for-metastatic-castration-resistant-prostate-cancer
#16
Josef J Fox, Somali C Gavane, Estelle Blanc-Autran, Sadek Nehmeh, Mithat Gönen, Brad Beattie, Hebert A Vargas, Heiko Schöder, John L Humm, Samson W Fine, Jason S Lewis, Stephen B Solomon, Joseph R Osborne, Darren Veach, Charles L Sawyers, Wolfgang A Weber, Howard I Scher, Michael J Morris, Steven M Larson
Importance: Androgen receptor-signaling inhibitor (ARSi) drugs prolong life in metastatic castration-resistant prostate cancer (mCRPC), but such tumors eventually become resistant and progress. Comprehensive positron emission tomography/computed tomography (PET/CT) imaging using fluoro-2-D-deoxyglucose F 18 ([18F]-FDG) for glycolysis (Glyc) and fluorodihydrotestosterone F 18 ([18F]-FDHT) for androgen receptor (AR) expression determine heterogeneity of imaging phenotypes, which may be useful in distinguishing patients who will benefit from ARSi drugs from those who need alternative treatments...
November 9, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29117212/quantitative-label-free-proteomic-analysis-of-human-urine-to-identify-novel-candidate-protein-biomarkers-for-schistosomiasis
#17
Olugbenga Samson Onile, Bridget Calder, Nelson C Soares, Chiaka I Anumudu, Jonathan M Blackburn
BACKGROUND: Schistosomiasis is a chronic neglected tropical disease that is characterized by continued inflammatory challenges to the exposed population and it has been established as a possible risk factor in the aetiology of bladder cancer. Improved diagnosis of schistosomiasis and its associated pathology is possible through mass spectrometry to identify biomarkers among the infected population, which will influence early detection of the disease and its subtle morbidity. METHODOLOGY: A high-throughput proteomic approach was used to analyse human urine samples for 49 volunteers from Eggua, a schistosomiasis endemic community in South-West, Nigeria...
November 8, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29114150/response-of-outbred-albino-mice-to-concomitant-heligmosomoides-bakeri-plasmodium-berghei-and-trypanosoma-brucei-infections
#18
Lucas Atehmengo Ngongeh, Amaechi Onyeabor, Munachi Ihuoma Wosu, Samson Kansalem Gurama
To investigate the response of mice to concomitant infections with Trypanosoma brucei (Tb), Plasmodium berghei (Pb) and Heligmosomoides bakeri (Hb) infections. Each group of 6 mice was either infected with Pb + Tb + Hb, Pb + Tb, Pb + Hb, Tb + Hb, Pb, Tb, Hb or remained as uninfected controls. Hb infected mice each received 200 infective larvae (L3) of Hb orally, Tb infected mice each received 2 × 10(-6) organisms through the intraperitoneal route while Pb infected mice received 1 × 10(-5) parasitized red blood cells through the intraperitoneal route...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29114009/2017-american-heart-association-focused-update-on-pediatric-basic-life-support-and-cardiopulmonary-resuscitation-quality-an-update-to-the-american-heart-association-guidelines-for-cardio-pulmonary-resuscitation-and-emergency-cardiovascular-care
#19
REVIEW
Dianne L Atkins, Allan R de Caen, Stuart Berger, Ricardo A Samson, Stephen M Schexnayder, Benny L Joyner, Blair L Bigham, Dana E Niles, Jonathan P Duff, Elizabeth A Hunt, Peter A Meaney
This focused update to the American Heart Association guidelines for cardiopulmonary resuscitation (CPR) and emergency cardiovascular care follows the Pediatric Task Force of the International Liaison Committee on Resuscitation evidence review. It aligns with the International Liaison Committee on Resuscitation's continuous evidence review process, and updates are published when the International Liaison Committee on Resuscitation completes a literature review based on new science. This update provides the evidence review and treatment recommendation for chest compression-only CPR versus CPR using chest compressions with rescue breaths for children <18 years of age...
November 6, 2017: Circulation
https://www.readbyqxmd.com/read/29113580/prominin-2-prevents-the-formation-of-caveolae-in-normal-and-ovarian-hyperstimulated-pregnancy
#20
Samson N Dowland, Romanthi J Madawala, Connie E Poon, Laura A Lindsay, Christopher R Murphy
During early pregnancy, uterine epithelial cells (UECs) become less adherent to the underlying basal lamina and are subsequently removed so the blastocyst can invade the underlying stroma. This process involves the removal of focal adhesions from the basal plasma membrane of UECs. These focal adhesions are thought to be internalized by caveolae, which significantly increase in abundance at the time of blastocyst implantation. A recent in vitro study indicated that prominin-2 prevents the formation of caveolae by sequestering membrane cholesterol...
January 1, 2017: Reproductive Sciences
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