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https://www.readbyqxmd.com/read/28102499/aortic-radial-pulse-wave-velocity-ratio-in-end-stage-renal-disease-patients-association-with-age-body-tissue-hydration-status-renal-failure-etiology-and-five-years-of-hemodialysis
#1
Daniel Bia, Rodolfo Valtuille, Cintia Galli, Sandra Wray, Ricardo Armentano, Yanina Zócalo, Edmundo Cabrera-Fischer
INTRODUCTION: The etiology of the end-stage renal disease (ESRD) and the hydration status may be involved in the arterial stiffening process observed in hemodialyzed patients. The ratio between carotid-femoral and carotid-radial pulse wave velocity (PWV ratio) was recently proposed to characterize the patient-specific stiffening process. AIMS: to analyze: (1) the PWV-ratio in healthy and hemodialyzed subjects, analyzing potential changes associated to etiologies of the ESRD, (2) the PWV-ratio and hydration status using multiple-frequency bioimpedance and, (3) the effects of hemodialysis on PWV-ratio in a 5-year follow-up...
January 19, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28101735/urethral-carcinoma-in-situ-recognition-and-management
#2
Ricardo H Berjeaut, Maliza D I Persaud, Nikolai Sopko, Arthur L Burnett
PURPOSE: Urethral carcinoma in situ (CIS) is an uncommon malignancy that is poorly described in the published literature and is often under-recognized in the clinical setting. This short case series reports some challenges associated with the recognition and management of this disease. METHODS: A retrospective chart review was done over a 12-year period of patients presenting with urethral cancer to the Johns Hopkins Hospital. Four patients were identified with CIS of the anterior urethra, and their demographic and clinical data were recorded...
January 18, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28100785/protein-kinase-c-controls-binding-of-igo-ensa-proteins-to-protein-phosphatase-2a-in-budding-yeast
#3
Vu Thai, Noah Dephoure, Amit Weiss, Jacqueline Ferguson, Ricardo Leitao, Steven P Gygi, Douglas R Kellogg
Protein phosphatase 2A (PP2A) plays important roles in controlling mitosis in all eukaryotic cells. The form of PP2A that controls mitosis is associated with a conserved regulatory subunit that is called B55 in vertebrates and Cdc55 in budding yeast. The activity of this form of PP2A can be inhibited by binding of conserved Igo/ENSA proteins. Although the mechanisms that activate Igo/ENSA to bind to PP2A are well understood, little is known about how they are inactivated. Here, we have analyzed regulation of Igo/ENSA in the context of a checkpoint pathway that links mitotic entry to membrane growth in budding yeast...
January 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28099900/skeletal-muscle-aging-influence-of-oxidative-stress-and-physical-exercise
#4
REVIEW
Mariana Janini Gomes, Paula Felippe Martinez, Luana Urbano Pagan, Ricardo Luiz Damatto, Marcelo Diacardia Mariano Cezar, Aline Regina Ruiz Lima, Katashi Okoshi, Marina Politi Okoshi
Skeletal muscle abnormalities are responsible for significant disability in the elderly. Sarcopenia is the main alteration occurring during senescence and a key public health issue as it predicts frailty, poor quality of life, and mortality. Several factors such as reduced physical activity, hormonal changes, insulin resistance, genetic susceptibility, appetite loss, and nutritional deficiencies are involved in the physiopathology of muscle changes. Sarcopenia is characterized by structural, biochemical, molecular and functional muscle changes...
January 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099876/antitumoral-activity-of-sesquiterpene-lactone-diacethylpiptocarphol-in-mice
#5
Fronza Alezandre, Sabel Ricardo, Carrenho Luise Zozula Blind, Pollo Luis, Bratti Letícia de Oliveira Souza, Monteiro Fabíola Branco Filippin, Biavatti Maique Weber, Kreuger Maria Regina Orofino
ETHNOPHARMACOLOGICAL RELEVANCE: Sesquiterpene lactones are organic compounds derived from plants that exhibit anti-inflammatory and antitumor activities being one of the locking mechanisms of action of NF-kB pathway and synthesis of cytokines such as IL-1 and TNF- α. AIM OF THE STUDY: The overall objective of the present study was to evaluate the antitumor activity of the sesquiterpene lactone diacethylpiptocarphol (DPC) from Vernonia scorpioides (Lam.) Pers. in animal models Ehrlich tumors that has shown antitumor activity...
January 15, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28099864/satb1-expression-governs-epigenetic-repression-of-pd-1-in-tumor-reactive-t-cells
#6
Tom L Stephen, Kyle K Payne, Ricardo A Chaurio, Michael J Allegrezza, Hengrui Zhu, Jairo Perez-Sanz, Alfredo Perales-Puchalt, Jenny M Nguyen, Ana E Vara-Ailor, Evgeniy B Eruslanov, Mark E Borowsky, Rugang Zhang, Terri M Laufer, Jose R Conejo-Garcia
Despite the importance of programmed cell death-1 (PD-1) in inhibiting T cell effector activity, the mechanisms regulating its expression remain poorly defined. We found that the chromatin organizer special AT-rich sequence-binding protein-1 (Satb1) restrains PD-1 expression induced upon T cell activation by recruiting a nucleosome remodeling deacetylase (NuRD) complex to Pdcd1 regulatory regions. Satb1 deficienct T cells exhibited a 40-fold increase in PD-1 expression. Tumor-derived transforming growth factor β (Tgf-β) decreased Satb1 expression through binding of Smad proteins to the Satb1 promoter...
January 17, 2017: Immunity
https://www.readbyqxmd.com/read/28099703/prevalence-and-3-year-persistence-of-human-papillomavirus-serotypes-in-asymptomatic-patients-in-northern-mexico
#7
Oscar R Fajardo-Ramírez, María C Barboza-Cerda, Rocío Ortiz-López, Augusto Rojas-Martínez, María L Garza-Rodríguez, Abel Sepúlveda-Flores, Juan F González-Guerrero, Sofía Bernal-Silva, Ricardo M Cerda-Flores, Itzel E Calleja-Macías, Socorro Rodríguez-Flores, Esthela Sandoval-Guzmán, Teresa Plascencia-Solis, Patricia Pérez-Reyes, Jesús Z Villarreal, Hugo A Barrera-Saldaña
OBJECTIVE: To investigate clinical outcomes and 3-year persistence of human papillomavirus (HPV) infections among women in Mexico. METHODS: A prospective study enrolled sexually active women attending primary healthcare clinics in metropolitan Monterrey, Mexico, between June 3 and August 30, 2002. Baseline data were collected and participants underwent HPV screening. Patients with HPV infections were asked to attend a repeat screening appointment after 3 years, when the same screening data were gathered...
January 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28099601/psoriasis-comorbidities-complications-and-benefits-of-immunobiological-treatment
#8
André Vicente Esteves de Carvalho, Ricardo Romiti, Cacilda da Silva Souza, Renato Soriani Paschoal, Laura de Mattos Milman, Luana Pizarro Meneghello
During the last decade, different studies have converged to evidence the high prevalence of comorbidities in subjects with psoriasis. Although a causal relation has not been fully elucidated, genetic relation, inflammatory pathways and/or common environmental factors appear to be underlying the development of psoriasis and the metabolic comorbidities. The concept of psoriasis as a systemic disease directed the attention of the scientific community in order to investigate the extent to which therapeutic interventions influence the onset and evolution of the most prevalent comorbidities in patients with psoriasis...
November 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28099559/pain-induced-depression-is-related-to-overestimation-of-sleep-quality-in-a-very-elderly-population-with-pain
#9
Ricardo Humberto Felix, Carla Bezerra Lopes Almeida, Renata Carvalho Cremaschi, Fernando Morgadinho Coelho, Fânia Cristina Santos
Objective: To study the quality of sleep in very elderly people with chronic pain. Methods: We investigated 51 very elderly people without dementia and with chronic pain according to the Geriatric Pain Measure. Katz and Lawton questionnaires were used to evaluate functionality. The Geriatric Depression Scale and Geriatric Psychosocial Assessment of Pain-induced Depression were also used. Self-perceptions of sleep and quality of sleep were checked using the Pittsburgh Sleep Quality Index...
January 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28099500/genetic-analysis-of-vibrio-parahaemolyticus-o3-k6-strains-that-have-been-isolated-in-mexico-since-1998
#10
Abraham Guerrero, Marcial Leonardo Lizárraga-Partida, Bruno Gómez Gil Rodríguez, Alexei Fedorovish Licea-Navarro, Valeria Jeanette Revilla-Castellanos, Irma Wong-Chang, Ricardo González-Sánchez
Vibrio parahaemolyticus is an important human pathogen that has been isolated worldwide from clinical cases, most of which have been associated with seafood consumption. Environmental and clinical toxigenic strains of V. parahaemolyticus that were isolated in Mexico from 1998 to 2012, including those from the only outbreak that has been reported in this country, were characterized genetically to assess the presence of the O3:K6 pandemic clone, and their genetic relationship to strains that are related to the pandemic clonal complex (CC3)...
2017: PloS One
https://www.readbyqxmd.com/read/28098948/phosphorus-acquisition-efficiency-in-arbuscular-mycorrhizal-maize-is-correlated-with-the-abundance-of-root-external-hyphae-and-the-accumulation-of-transcripts-encoding-pht1-phosphate-transporters
#11
Ruairidh J H Sawers, Simon F Svane, Clement Quan, Mette Grønlund, Barbara Wozniak, Mesfin-Nigussie Gebreselassie, Eliécer González-Muñoz, Ricardo A Chávez Montes, Ivan Baxter, Jerome Goudet, Iver Jakobsen, Uta Paszkowski
Plant interactions with arbuscular mycorrhizal fungi have long attracted interest for their potential to promote more efficient use of mineral resources in agriculture. Their use, however, remains limited by a lack of understanding of the processes that determine the outcome of the symbiosis. In this study, the impact of host genotype on growth response to mycorrhizal inoculation was investigated in a panel of diverse maize lines. A panel of 30 maize lines was evaluated with and without inoculation with arbuscular mycorrhizal fungi...
January 18, 2017: New Phytologist
https://www.readbyqxmd.com/read/28098542/detection-of-vaccinia-virus-in-urban-domestic-cats-brazil
#12
Galileu Barbosa Costa, Júlia Bahia Miranda, Gregório Guilherme Almeida, Jaqueline Silva de Oliveira, Mariana Siqueira Pinheiro, Stefanne Aparecida Gonçalves, Jenner Karlisson Pimenta Dos Reis, Ricardo Gonçalves, Paulo César Peregrino Ferreira, Cláudio Antônio Bonjardim, Jônatas Santos Abrahão, Erna Geessien Kroon, Giliane de Souza Trindade
We investigated possible vaccinia virus (VACV) in urban house cats in Brazil. Serum samples from 6 cats were positive for VACV by PCR, indicating likely VACV circulation among house cats in urban areas of Brazil. This finding highlights the importance of epidemiologic surveillance to avoid outbreaks among urban human populations.
February 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28097762/time-delays-in-the-diagnosis-and-treatment-of-fabry-disease
#13
Ricardo Reisin, Amandine Perrin, Pablo García-Pavía
BACKGROUND: The high variability in clinical manifestations of Fabry disease can lead to delays between symptom onset and correct diagnosis, and between correct diagnosis and initiation of enzyme replacement therapy. We investigated whether these delays have improved in recent years. METHODS: Data were analysed from the Fabry Outcome Survey (FOS; Shire; extracted August 2013) for "index patients", defined as the first patient diagnosed with Fabry disease from a family with several or no additional members registered in FOS...
January 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28097694/serial-cytokine-alterations-and-abnormal-neuroimaging-in-newborn-infants-with-encephalopathy
#14
Fiona M O'Hare, R William G Watson, Amanda O'Neill, Ricardo Segurado, Deirdre Sweetman, Paul Downey, Eoghan Mooney, John Murphy, Veronica Donoghue, Eleanor J Molloy
AIM: Inflammatory cytokines may play a role in the final common pathway in the pathogenesis of hypoxic-ischaemic injury in experimental models. We aimed to profile the systemic pro- and anti-inflammatory response over the first week of life in term infants at risk of neonatal encephalopathy. METHOD: In a tertiary referral university neonatal intensive care unit, serial blood samples were analysed from 41 term infants (requiring resuscitation at birth) in this prospective observational pilot study...
January 17, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28096741/a-day-in-the-life-of-third-year-medical-students-using-an-ethnographic-method-to-understand-information-seeking-and-use
#15
Andrea B Twiss-Brooks, Ricardo Andrade, Michelle B Bass, Barbara Kern, Jonna Peterson, Debra A Werner
OBJECTIVE: The authors undertook this project to learn how third-year medical students seek and use information in the course of daily activities, especially activities conducted in clinical settings in a variety of institutions. METHODS: We recruited sixty-eight third-year undergraduate medical school students to create a mapping diary of a day that included clinical activities. We conducted semi-structured interviews based on the mapping diaries. Using content and thematic analyses of the resulting interview transcripts, we developed an ethnographic case study for each participant...
January 2017: Journal of the Medical Library Association: JMLA
https://www.readbyqxmd.com/read/28096738/clinical-management-expectations-and-satisfaction-of-patients-with-moderate-to-severe-allergic-rhinoconjunctivitis-treated-with-sq-standardized-grass-allergen-tablet-under-routine-clinical-practice-conditions-in-spain
#16
Tomás Chivato, Pedro Álvarez-Calderón, Carmen Panizo, Ricardo Abengozar, César Alías, Ali Al-Baech, José Arias-Irigoyen, M José Caballero, Lluis Conill, Silvia de Miguel, Rafael Laguna, Joan Martínez-Benazet, Francisco Matoses, Jose Camilo Martínez-Alonso, Lourdes Mendizábal, Celsa Pérez-Carral, Carlos Puerto, Joan Serra-Batllés, Adolfo Vélez, Jonathan Vicente, Fernando de la Torre
BACKGROUND: Sublingual immunotherapy has been proven as a well-tolerated and effective treatment for allergic rhinitis. Within this type of treatment, GRAZAX(®) is the most documented product in terms of safety and efficacy. The objective of this study was to identify the patients' expectations and level of treatment satisfaction, as well as the clinical management of patients with moderate/severe allergic rhinoconjunctivitis treated with GRAZAX(®). METHODS: This was a non-interventional, observational, multi-centre, open-label study involving a total of 131 adult patients aged 18-66 years with confirmed diagnosis of grass-allergy and initiated treatment with GRAZAX(®) between June 2010 and April 2011...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28096351/uncovering-hidden-variation-in-polyploid-wheat
#17
Ksenia V Krasileva, Hans A Vasquez-Gross, Tyson Howell, Paul Bailey, Francine Paraiso, Leah Clissold, James Simmonds, Ricardo H Ramirez-Gonzalez, Xiaodong Wang, Philippa Borrill, Christine Fosker, Sarah Ayling, Andrew L Phillips, Cristobal Uauy, Jorge Dubcovsky
Comprehensive reverse genetic resources, which have been key to understanding gene function in diploid model organisms, are missing in many polyploid crops. Young polyploid species such as wheat, which was domesticated less than 10,000 y ago, have high levels of sequence identity among subgenomes that mask the effects of recessive alleles. Such redundancy reduces the probability of selection of favorable mutations during natural or human selection, but also allows wheat to tolerate high densities of induced mutations...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28095485/bordetella-parapertussis-circumvents-neutrophil-extracellular-bactericidal-mechanisms
#18
Juan Gorgojo, Emilia Scharrig, Ricardo M Gómez, Eric T Harvill, Maria Eugenia Rodríguez
B. parapertussis is a whooping cough etiological agent with the ability to evade the immune response induced by pertussis vaccines. We previously demonstrated that in the absence of opsonic antibodies B. parapertussis hampers phagocytosis by neutrophils and macrophages and, when phagocytosed, blocks intracellular killing by interfering with phagolysosomal fusion. But neutrophils can kill and/or immobilize extracellular bacteria through non-phagocytic mechanisms such as degranulation and neutrophil extracellular traps (NETs)...
2017: PloS One
https://www.readbyqxmd.com/read/28095396/tenascin-c-and-fibronectin-expression-divide-early-stage-tongue-cancer-into-low-and-high-risk-groups
#19
Elias Sundquist, Joonas H Kauppila, Johanna Veijola, Rayan Mroueh, Petri Lehenkari, Saara Laitinen, Juha Risteli, Ylermi Soini, Veli-Matti Kosma, Iris Sawazaki-Calone, Carolina Carneiro Soares Macedo, Risto Bloigu, Ricardo D Coletta, Tuula Salo
BACKGROUND: Oral tongue squamous cell carcinoma (OTSCC) metastasises early, especially to regional lymph nodes. There is an ongoing debate on which early stage (T1-T2N0) patients should be treated with elective neck dissection. We need prognosticators for early stage tongue cancer. METHODS: Mice immunisation with human mesenchymal stromal cells resulted in production of antibodies against tenascin-C (TNC) and fibronectin (FN), which were used to stain 178 (98 early stage), oral tongue squamous cell carcinoma samples...
January 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28094115/oxidative-stress-and-antioxidant-response-in-a-thermotolerant-yeast
#20
Jorge A Mejía-Barajas, Rocío Montoya-Pérez, Rafael Salgado-Garciglia, Leopoldo Aguilera-Aguirre, Christian Cortés-Rojo, Ricardo Mejía-Zepeda, Melchor Arellano-Plaza, Alfredo Saavedra-Molina
Stress tolerance is a key attribute that must be considered when using yeast cells for industrial applications. High temperature is one factor that can cause stress in yeast. High environmental temperature in particular may exert a natural selection pressure to evolve yeasts into thermotolerant strains. In the present study, three yeasts (Saccharomyces cerevisiae, MC4, and Kluyveromyces marxianus, OFF1 and SLP1) isolated from hot environments were exposed to increased temperatures and were then compared with a laboratory yeast strain...
January 3, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
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