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https://www.readbyqxmd.com/read/28622827/copaifera-multijuga-oleoresin-and-its-constituent-diterpene-copalic-acid-genotoxicity-and-chemoprevention-study
#1
Jacqueline M Alves, Juliana M Senedese, Luís F Leandro, Pâmela T Castro, Daiane E Pereira, Luiza J Carneiro, Sérgio R Ambrósio, Jairo K Bastos, Denise C Tavares
Copaiba oleoresins are used in alternative medicine as anti-inflammatory, antitumoral, and antimicrobial treatments. (-)-Copalic acid (CA) is the major diterpene found in exudates from Copaifera species. We have examined the genotoxicity and the chemopreventive potential of Copaifera multijuga oleoresin (CM) and CA. Genotoxicity assessment was examined with the peripheral blood micronucleus test and the comet assay (male Swiss mouse hepatocytes). In the chemoprevention study, we evaluated the effects of CM and CA on the formation of 1,2-dimethylhydrazine (DMH)-induced aberrant crypt foci (ACF) in male Wistar rat colon...
July 2017: Mutation Research
https://www.readbyqxmd.com/read/28622110/pavlov-and-cajal-two-different-pathways-to-a-nobel-prize
#2
Jairo A Rozo, Yuniesky Andrade-Talavera, Antonio Rodríguez-Moreno
Ivan Pavlov (1849-1936) and Santiago Ramón y Cajal (1852-1934) were two contemporary scientists who not only had a great impact on Russian and Spanish science but also on the international stage. Both shared several common features in their life and work, yet they followed fundamentally different paths during their training as scientists. While Pavlov received his laboratory training under the guidance of Ilya Tsion (1843-1912), Cajal did not receive any formal training within a particular laboratory nor did he have a mentor in the traditional sense, rather he was mainly self-taught, although he was supported by key figures like Maestre de San Juan (1828-1890) and Luis Simarro (1851-1921)...
July 2017: Journal of the History of the Neurosciences
https://www.readbyqxmd.com/read/28614539/effects-of-ozone-on-the-pain-and-disability-in-patients-with-failed-back-surgery-syndrome
#3
Danilo Costa Barbosa, Jairo Silva Dos Ângelos, Gleica Maria Josino de Macena, Francisco Nêuton de Oliveira Magalhães, Erich Talamoni Fonoff
Introduction: Low back pain is one of the painful disorders of higher prevalence. It has several etiologies and surgery may be indicated in the presence of neurological deficits or compression syndromes. However, in up to 40% of cases, patients develop worsening of pain and failed back surgery syndrome (FBSS), which is an important cause of chronic pain with high morbidity and disability. In the last two decades, ozone has been shown to be a new therapeutic option for FBSS due to its analgesic and anti-inflammatory properties...
April 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28614009/the-combined-use-of-calcitonin-doubling-time-and-18-f-fdg-pet-ct-improves-prognostic-values-in-medullary-thyroid-carcinoma-the-clinical-utility-of-18-f-fdg-pet-ct
#4
Ji H Yang, Cléber P Camacho, Susan C Lindsey, Flavia O F Valente, Danielle M Andreoni, Lilian Y Yamaga, Jairo Wagner, Rosa Paula M Biscolla, Rui M B Maciel
OBJECTIVE: Calcitonin and carcinoembryonic antigen (CEA) doubling times are established prognostic markers in medullary thyroid cancer (MTC). On the other hand, positron emission tomography with fluorine-18 fluorodeoxyglucose ((18)F-FDG PET/CT) shows an increased rate of detection with high blood tumor marker levels in several cancers. This study aims to analyze the ability of (18)F-FDG PET/CT to determine prognosis in the followup of patients with MTC. METHODS: Medical records of 17 patients with MTC who underwent (18)F-FDG PET/CT were analyzed retrospectively...
June 14, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28601218/-edmonton-frail-scale-in-colombian-older-people-comparison-with-the-fried-criteria
#5
Jairo Uriel Ramírez Ramírez, Miguel Oswaldo Cadena Sanabria, Miguel Enrique Ochoa
INTRODUCTION: The Edmonton Frailty Scale was developed in Alberta (Canada). It has been applied in different scenarios, such as acute units, day hospitals, and outpatient care. There are no studies published describing the usefulness of this scale in Colombia. MATERIALS AND METHODS: A cross-sectional study and secondary diagnostic test analysis was designed with the objective of studying the criterion validity of the Edmonton Frail Scale using Fried's frailty criteria as standard...
June 7, 2017: Revista Española de Geriatría y Gerontología
https://www.readbyqxmd.com/read/28596954/assessment-of-health-needs-in-children-with-congenital-upper-limb-differences-in-nicaragua-community-case-study
#6
Maria F Canizares, Jairo J Rios Roque, Gabriel Ramos Zelaya, Michelle A James
Congenital anomalies are prevalent in Nicaragua, and disability is estimated to be 10% in the general population. We studied children with congenital upper limb differences, as they are vulnerable to disability. This case study documents a collaborative effort between American and Nicaraguan orthopedic surgeons to determine unmet health needs of children with congenital upper limb differences at Hospital Manuel de Jesus Rivera ("La Mascota" Hospital) in Nicaragua, with the goal of developing programs that successfully address these needs within the context of the priorities of the community...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28576069/starch-cellulose-acetate-and-polyester-biodegradable-sheets-effect-of-composition-and-processing-conditions
#7
Allan Robledo Fialho E Moraes, Cícero Cardoso Pola, Ana Paula Bilck, Fabio Yamashita, Jairo Tronto, Eber Antonio Alves Medeiros, Nilda de Fátima Ferreira Soares
The production of biodegradable plastic materials using natural resources has aroused increased attention due to environmental concerns. This study aimed to manufacture novel, commercially feasible, biodegradable sheets by flat die extrusion-calendering process produced with thermoplastic starch/plasticized cellulose acetate (TPS/PCA) and thermoplastic starch/plasticized cellulose acetate/poly (butylene adipate-co-terephthalate) (TPS/PCA/PBAT) blends, and to investigate the effects of composition and processing conditions, morphological characteristics, and thermal properties...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28575076/prevalence-of-colistin-resistance-gene-mcr-1-containing-enterobacteriaceae-in-feces-of-patients-attending-a-tertiary-care-hospital-and-detection-of-a-mcr-1-containing-colistin-susceptible-e-coli
#8
Elisabeth M Terveer, Roel H T Nijhuis, Monique J T Crobach, Cornelis W Knetsch, Karin E Veldkamp, Jairo Gooskens, Ed J Kuijper, Eric C J Claas
The emergence of the plasmid-mediated mcr colistin resistance gene in the community poses a potential threat for treatment of patients, especially when hospitalized. The aim of this study was to determine the prevalence of all currently known mcr mediated colistin resistance gene in fecal samples of patients attending a tertiary care hospital. From November 2014 until July 2015, fecal samples of patients attending the Leiden University Medical Center were collected and screened for presence of mcr using real-time PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28545895/molluscicidal-potential-of-heterorhabditis-baujardi-rhabditida-heterorhabditidae-strain-lpp7-on-lymnaea-columella-gastropoda-pulmonata-an-alternative-for-biological-control-of-fasciolosis
#9
Victor Menezes Tunholi, P O Lorenzoni, Ygor Henrique da Silva, Vinícius Menezes Tunholi-Alves, Jankerle Neves Boeloni, Maria Aparecida da Silva, Caio Oliveira Monteiro, M C A Prata, J Pinheiro, Isabella Vilhena Freire Martins
This study elucidated for the first time, under laboratory conditions, the susceptibility of Lymnaea columella to infective juveniles of Heterorhabditis baujardi LPP7. Exposure to the nematodes induced an average mortality rate of 66.66% in the population of L. columella, with the highest values attained from the second week after exposure onward. In addition, all the reproductive parameters analyzed (total number of eggs, number of egg masses, number of eggs laid/snail, embryo hatching rate and content of galactogen stored in the albumen gland) changed as a result of the infection...
May 22, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28542547/determination-of-diagnostic-standards-on-saturated-soil-extracts-for-cut-roses-grown-in-greenhouses
#10
John Jairo Franco-Hermida, María Fernanda Quintero, Raúl Iskander Cabrera, José Miguel Guzman
This work comprises the theoretical determination and validation of diagnostic standards for the analysis of saturated soil extracts for cut rose flower crops (Rosa spp.) growing in the Bogota Plateau, Colombia. The data included 684 plant tissue analyses and 684 corresponding analyses of saturated soil extracts, all collected between January 2009 and June 2013. The tissue and soil samples were selected from 13 rose farms, and from cultivars grafted on the 'Natal Briar' rootstock. These concurrent samples of soil and plant tissues represented 251 production units (locations) of approximately 10,000 m2 distributed across the study area...
2017: PloS One
https://www.readbyqxmd.com/read/28531870/an-unusual-case-of-jaundice-biliary-tumor-thrombus-in-fibrolamellar-hepatocellular-carcinoma
#11
Jairo A Espinosa, Alex Merlo, Mohamed-Omar Arafeh, Gitonga Munene
BACKGROUND: Fibrolamellar hepatocellular carcinoma (FL-HCC) is a rare and unique variant of hepatocellular carcinoma (HCC) whose presentation remains inadequately described. We present a resectable case of FL-HCC which involved tumor thrombus of the common bile duct. PRESENTATION: A 27 year-old male presenting with jaundice, abdominal pain, vomiting, hepatic dysfunction and hyperbilirubinemia was found to have a large liver mass and lymphadenopathy on preoperative imaging...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28507444/antibodies-against-glutamic-acid-decarboxylase-and-indices-of-insulin-resistance-and-insulin-secretion-in-nondiabetic-adults-a-cross-sectional-study
#12
Carlos O Mendivil, Freddy Jk Toloza, Maria L Ricardo-Silgado, Martha C Morales-Álvarez, Jose O Mantilla-Rivas, Jairo A Pinzón-Cortés, Hernán N Lemus
BACKGROUND: Autoimmunity against insulin-producing beta cells from pancreatic islets is a common phenomenon in type 1 diabetes and latent autoimmune diabetes in adults. Some reports have also related beta-cell autoimmunity to insulin resistance (IR) in type 2 diabetes. However, the extent to which autoimmunity against components of beta cells is present and relates to IR and insulin secretion in nondiabetic adults is uncertain. AIM: To explore the association between antibodies against glutamic acid decarboxylase (GADA), a major antigen from beta cells, and indices of whole-body IR and beta-cell capacity/insulin secretion in adults who do not have diabetes...
2017: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/28499420/continuous-femoral-nerve-blockade-and-single-shot-sciatic-nerve-block-promotes-better-analgesia-and-lower-bleeding-for-total-knee-arthroplasty-compared-to-intrathecal-morphine-a-randomized-trial
#13
Nora Elizabeth Rojas Álvarez, Rosemberg Jairo Gomez Ledesma, Adilson Hamaji, Marcelo Waldir Mian Hamaji, Joaquim Edson Vieira
BACKGROUND: Knee arthroplasty leads to postoperative pain. This study compares analgesia and postoperative bleeding achieved by intrathecal morphine with a continuous femoral plus single-shot sciatic nerve block. METHODS: A randomized non-blinded clinical trial enrolled patients aged over 18 years old, ASA I to III who underwent total knee arthroplasty. All patients underwent spinal anesthesia with isobaric bupivacaine, 20 mg. One group received 100 mcg of intrathecal morphine (M group), and the other received a femoral nerve block by continuous infusion plus a "single shot" block of the sciatic nerve at the end of the surgery (FI group)...
May 12, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28492241/tuning-the-effective-spin-orbit-coupling-in-molecular-semiconductors
#14
Sam Schott, Erik R McNellis, Christian B Nielsen, Hung-Yang Chen, Shun Watanabe, Hisaaki Tanaka, Iain McCulloch, Kazuo Takimiya, Jairo Sinova, Henning Sirringhaus
The control of spins and spin to charge conversion in organics requires understanding the molecular spin-orbit coupling (SOC), and a means to tune its strength. However, quantifying SOC strengths indirectly through spin relaxation effects has proven difficult due to competing relaxation mechanisms. Here we present a systematic study of the g-tensor shift in molecular semiconductors and link it directly to the SOC strength in a series of high-mobility molecular semiconductors with strong potential for future devices...
May 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/28489148/incidental-detection-of-probable-meningioma-in-brain-scintigraphy-using-99mtc-trodat-1
#15
Taise Vitor, Guilherme Campos Carvalho, Solange Amorim Nogueira, Jairo Wagner, André C Felício
No abstract text is available yet for this article.
April 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28487139/a-multicenter-randomized-trial-of-ramped-position-versus-sniffing-position-during-endotracheal-intubation-of-critically-ill-adults
#16
Matthew W Semler, David R Janz, Derek W Russell, Jonathan D Casey, Robert J Lentz, Aline N Zouk, Bennett P deBoisblanc, Jairo I Santanilla, Yasin A Khan, Aaron M Joffe, William S Stigler, Todd W Rice
BACKGROUND: Hypoxemia is the most common complication during endotracheal intubation of critically ill adults. Intubation in the ramped position has been hypothesized to prevent hypoxemia by increasing functional residual capacity and decreasing the duration of intubation, but has never been studied outside of the operating room. METHODS: Multicenter, randomized trial comparing ramped position (head of the bed elevated to 25 degrees) to sniffing position (torso supine, neck flexed, head extended) among 260 adults undergoing endotracheal intubation by Pulmonary and Critical Care Medicine fellows in four intensive care units between July 22, 2015 and July 19, 2016...
May 6, 2017: Chest
https://www.readbyqxmd.com/read/28483199/a-prime-boost-immunization-regimen-based-on-a-simian-adenovirus-36-vectored-multi-stage-malaria-vaccine-induces-protective-immunity-in-mice
#17
Jairo A Fonseca, Jessica N McCaffery, Elena Kashentseva, Balwan Singh, Igor P Dmitriev, David T Curiel, Alberto Moreno
Malaria remains a considerable burden on public health. In 2015, the WHO estimates there were 212 million malaria cases causing nearly 429,000 deaths globally. A highly effective malaria vaccine is needed to reduce the burden of this disease. We have developed an experimental vaccine candidate (PyCMP) based on pre-erythrocytic (CSP) and erythrocytic (MSP1) stage antigens derived from the rodent malaria parasite P. yoelii. Our protein-based vaccine construct induces protective antibodies and CD4(+) T cell responses...
May 31, 2017: Vaccine
https://www.readbyqxmd.com/read/28457108/syncope-in-primary-prevention-implantable-cardioverter-defibrillator-implantation
#18
Gustavo Goldenberg, Tamir Bental, Udi Kadmon, Ronit Zabarsky, Jairo Kusnick, Alon Barsheshet, Gregory Golovchiner, Boris Strasberg
BACKGROUND: Syncope prognosis varies widely: 1 year mortality may range from 0% in the case of vasovagal events up to 30% in the presence of heart disease. OBJECTIVES: To assess the outcomes and prognosis of patients with implantable cardiac defibrillator (ICD) and indication of primary prevention and compare patients presenting with or without prior syncope. METHODS: We reviewed the charts of 75 patients who underwent ICD implantation with the indication of primary prevention and history of syncope and compared them to a control group of 80 patients without prior syncope...
January 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28453117/-learning-about-social-determinants-of-health-through-chronicles-using-a-virtual-learning-environment
#19
Sonia Restrepo-Palacio, Jairo Amaya-Guio
Objective: To describe the contributions of a pedagogical strategy based on the construction of chronicles, using a Virtual Learning Environment for training medical students from Universidad de La Sabana on social determinants of health. Methodology: Descriptive study with a qualitative approach. Design and implementation of a Virtual Learning Environment based on the ADDIE instructional model. Results: A Virtual Learning Environment was implemented with an instructional design based on the five phases of the ADDIE model, on the grounds of meaningful learning and social constructivism, and through the narration of chronicles or life stories as a pedagogical strategy...
September 2016: Revista de Salud Pública
https://www.readbyqxmd.com/read/28444102/pet-mri-a-novel-hybrid-imaging-technique-major-clinical-indications-and-preliminary-experience-in-brazil
#20
Taise Vitor, Karine Minaif Martins, Tudor Mihai Ionescu, Marcelo Livorsi da Cunha, Ronaldo Hueb Baroni, Marcio Ricardo Taveira Garcia, Jairo Wagner, Guilherme de Carvalho Campos, Solange Amorim Nogueira, Elaine Gonçalves Guerra, Edson Amaro
In recent years, medical imaging with hybrid techniques has widely accepted and employed in clinical routine. PET/MRI offers significant advantages, including excellent contrast and resolution and reduced ionizing radiation, as compared to well-established PET/CT. Therefore, PET/MRI is a promising modality for oncologic imaging of some regions, such as brain, head and neck, liver and pelvis. This article set out to analyze clinical conditions that could benefit from PET/MRI imaging based on our caseload. The potential of PET/MRI to become the imaging modality of choice for assessment of neurologic and oncologic conditions associated with soft tissues is highlighted...
January 2017: Einstein
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