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https://www.readbyqxmd.com/read/28628098/short-chain-alkanes-fuel-mussel-and-sponge-cycloclasticus-symbionts-from-deep-sea-gas-and-oil-seeps
#1
Maxim Rubin-Blum, Chakkiath Paul Antony, Christian Borowski, Lizbeth Sayavedra, Thomas Pape, Heiko Sahling, Gerhard Bohrmann, Manuel Kleiner, Molly C Redmond, David L Valentine, Nicole Dubilier
Cycloclasticus bacteria are ubiquitous in oil-rich regions of the ocean and are known for their ability to degrade polycyclic aromatic hydrocarbons (PAHs). In this study, we describe Cycloclasticus that have established a symbiosis with Bathymodiolus heckerae mussels and poecilosclerid sponges from asphalt-rich, deep-sea oil seeps at Campeche Knolls in the southern Gulf of Mexico. Genomic and transcriptomic analyses revealed that, in contrast to all previously known Cycloclasticus, the symbiotic Cycloclasticus appears to lack the genes needed for PAH degradation...
June 19, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/28628069/sitting-time-an-increasing-heath-risk-among-nurse-educators
#2
M Eve Main, Dawn Garrett-Wright, Lizbeth P Sturgeon, M Susan Jones, Donna S Blackburn
Prolonged sitting time (ST) is a distinct risk factor for early mortality and cardiovascular disease. The purpose of this descriptive correlational study was to examine ST and health of Kentucky nurse educators. The written survey included demographic items, general health items, and ST. Total average ST was 10.8 hours (workdays) and 8 hours (non-workdays). There was no relationship between body mass index and ST; however, the medication used to treat hypertension and hypercholesterolemia was associated with increased ST...
July 2017: Nursing Education Perspectives
https://www.readbyqxmd.com/read/28624530/the-emerging-role-of-wnt-signaling-dysregulation-in-the-understanding-and-modification-of-age-associated-diseases
#3
REVIEW
Lizbeth García-Velázquez, Clorinda Arias
Wnt signaling is a highly conserved pathway that participates in multiple aspects of cellular function during development and in adults. In particular, this pathway has been implicated in cell fate determination, proliferation and cell polarity establishment. In the brain, it contributes to synapse formation, axonal remodeling, dendrite outgrowth, synaptic activity, neurogenesis and behavioral plasticity. The expression and distribution of Wnt components in different organs vary with age, which may have important implications for preserving tissue homeostasis...
June 15, 2017: Ageing Research Reviews
https://www.readbyqxmd.com/read/28535154/randomised-controlled-trial-of-early-prophylactic-feeding-vs-standard-care-in-patients-with-head-and-neck-cancer
#4
Teresa E Brown, Merrilyn D Banks, Brett G M Hughes, Charles Y Lin, Lizbeth M Kenny, Judith D Bauer
BACKGROUND: Weight loss remains significant in patients with head and neck cancer, despite prophylactic gastrostomy and intensive dietary counseling. The aim of this study was to improve outcomes utilising an early nutrition intervention. METHODS: Patients with head and neck cancer at a tertiary hospital in Australia referred for prophylactic gastrostomy prior to curative intent treatment were eligible for this single centre randomised controlled trial. Exclusions included severe malnutrition or dysphagia...
May 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28526213/epidemiology-of-neurocysticercosis-and-epilepsy-is-everything-described
#5
REVIEW
Jose F Tellez-Zenteno, Lizbeth Hernandez-Ronquillo
In recent years clinical and epidemiological research on cysticercosis has gained significant interest in some countries, especially in Latin American countries and some countries in Asia and Africa. For many years it has been proposed that the higher prevalence of epilepsy seen in some regions such as Latin-America could be explained by parasitic infections, particularly neurocysticercosis (NCC). In this review we discussed selected epidemiological topics of the association of NCC and epilepsy, such as global distribution around the world, identification of NCC in developed countries, drug resistant epilepsy and NCC...
May 16, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28508275/gross-olfaction-before-and-after-laparoscopic-gastric-bypass
#6
Carlos Zerrweck, Vannia Castañeda Gallardo, Carmen Calleja, Elisa Sepúlveda, Lizbeth Guilber
BACKGROUND: Obesity leads to olfaction alterations, and this can further impact food choices, appetite, and nutritional status. Bariatric procedures induce weight loss and change in taste and smell perception, but more information is needed, especially using objective olfaction tests. METHODS: A prospective study was conducted during 6 months, with candidates to laparoscopic gastric bypass at a single institution. A preoperative nasofibroscopy and gross smell identification test (The Pocket Smell Test ®) were performed in those meeting the inclusion criteria...
May 15, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28492031/retrospective-evidence-on-outcomes-and-experiences-of-pregnancy-and-childbirth-in-epidermolysis-bullosa-in-australia-and-new-zealand
#7
Lizbeth R A Intong, S Deanne Choi, Alexa Shipman, Yong C Kho, Shelley J E Hwang, Lesley M Rhodes, Judie R Walton, Michael G Chapman, Dédée F Murrell
BACKGROUND: Pregnancy in epidermolysis bullosa (EB) has not been comprehensively studied. OBJECTIVE: We aimed to develop a foundational database, which could provide peri-obstetric advice in EB. METHODS: Survey questionnaires were sent to obstetricians, unaffected mothers of EB babies, and mothers with EB. Results were analyzed using chi-square, Fisher exact, and t-tests. RESULTS: Out of 1346 obstetricians surveyed, 195 responded, and only 14 had encountered EB...
March 2017: International Journal of Women's Dermatology
https://www.readbyqxmd.com/read/28472782/identification-of-deubiquitinase-targets-of-isothiocyanates-using-silac-assisted-quantitative-mass-spectrometry
#8
Ann P Lawson, Daniel W Bak, D Alexander Shannon, Marcus J C Long, Tushara Vijaykumar, Runhan Yu, Farid El Oualid, Eranthie Weerapana, Lizbeth Hedstrom
Cruciferous vegetables such as broccoli and kale have well documented chemopreventative and anticancer effects that are attributed to the presence of isothiocyanates (ITCs). ITCs modulate the levels of many oncogenic proteins, but the molecular mechanisms of ITC action are not understood. We previously reported that phenethyl isothiocyanate (PEITC) inhibits two deubiquitinases (DUBs), USP9x and UCH37. DUBs regulate many cellular processes and DUB dysregulation is linked to the pathogenesis of human diseases including cancer, neurodegeneration, and inflammation...
April 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28467755/cellular-senescence-neurological-function-and-redox-state
#9
Luis Ángel Maciel-Barón, Daniel Moreno-Blas, Sandra Lizbeth Morales-Rosales, Viridiana Yazmín González-Puertos, Norma Edith López-Diazguerrero, Claudio Torres, Susana Castro-Obregón, Mina Konigsberg
SIGNIFICANCE Cellular senescence, characterized by a permanent cell cycle arrest, has been extensively studied in mitotic cells such as fibroblasts. However, senescent cells have also been observed in the brain. Even though it is recognized that cellular energetic metabolism and redox homeostasis are perturbed in the aged brain and neurodegenerative diseases, it is still unknown which alterations in the overall physiology can stimulate cellular senescence induction and their relationship with the former events...
May 3, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28466418/ambroxol-for-fibromyalgia-one-group-pretest-posttest-open-label-pilot-study
#10
Laura-Aline Martínez-Martínez, Luis-Fernando Pérez, Lizbeth-Teresa Becerril-Mendoza, Pedro Rodríguez-Henriquez, Omar-Eloy Muñoz, Gumaro Acosta, Luis H Silveira, Angélica Vargas, María-Isabel Barrera-Villalpando, Manuel Martínez-Lavín
A consistent line of investigation proposes that fibromyalgia is a sympathetically maintained neuropathic pain syndrome. Dorsal root ganglia sodium channels may play a major role in fibromyalgia pain transmission. Ambroxol is a secretolytic agent used in the treatment of various airway disorders. Recently, it was discovered that this compound is also an efficient sodium channel blocker with potent anti-neuropathic pain properties. We evaluated the add-on effect of ambroxol to the treatment of fibromyalgia. We studied 25 patients with fibromyalgia...
May 2, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28454012/spatial-clustering-of-childhood-leukaemia-with-the-integration-of-the-paediatric-environmental-history
#11
Alberto Cárceles-Álvarez, Juan A Ortega-García, Fernando A López-Hernández, Mayra Orozco-Llamas, Blanca Espinosa-López, Esther Tobarra-Sánchez, Lizbeth Alvarez
BACKGROUND: Leukaemia remains the most common type of paediatric cancer and its aetiology remains unknown, but considered to be multifactorial. It is suggested that the initiation in utero by relevant exposures and/or inherited genetic variants and, other promotional postnatal exposures are probably required to develop leukaemia. This study aimed to map the incidence and analyse possible clusters in the geographical distribution of childhood acute leukaemia during the critical periods and to evaluate the factors that may be involved in the aetiology by conducting community and individual risk assessments...
July 2017: Environmental Research
https://www.readbyqxmd.com/read/28433864/arsenic-metabolism-and-cancer-risk-a-meta-analysis
#12
REVIEW
Brenda Gamboa-Loira, Mariano E Cebrián, Francisco Franco-Marina, Lizbeth López-Carrillo
OBJECTIVE: To describe the studies that have reported association measures between risk of cancer and the percentage distribution of urinary inorganic arsenic (iAs) metabolites by anatomical site, in non-ecological epidemiological studies. METHODS: Studies were identified in the PubMed database in the period from 1990 to 2015. Inclusion criteria were: non-ecological epidemiological study, with histologically confirmed cancer cases, reporting the percentage distribution of inorganic arsenic (iAs), monomethylated (MMA) and dimethylated (DMA) metabolites, as well as association measures with confidence intervals (CI) between cancer and %iAs and/or %MMA and/or %DMA...
July 2017: Environmental Research
https://www.readbyqxmd.com/read/28428948/understanding-the-entanglement-neutrophil-extracellular-traps-nets-in-cystic-fibrosis
#13
REVIEW
Saira R Martínez-Alemán, Lizbeth Campos-García, José P Palma-Nicolas, Romel Hernández-Bello, Gloria M González, Alejandro Sánchez-González
Cystic fibrosis (CF) is an autosomal recessive disorder caused by mutations in the gene that codes for the CF trans-membrane conductance regulator. These mutations result in abnormal secretions viscous airways of the lungs, favoring pulmonary infection and inflammation in the middle of neutrophil recruitment. Recently it was described that neutrophils can contribute with disease pathology by extruding large amounts of nuclear material through a mechanism of cell death known as Neutrophil Extracellular Traps (NETs) into the airways of patients with CF...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28423364/increased-expression-of-deleted-in-malignant-brain-tumors-dmbt1-gene-in-precancerous-gastric-lesions-findings-from-human-and-animal-studies
#14
Jone Garay, M Blanca Piazuelo, Lizbeth Lopez-Carrillo, Yelda A Leal, Sumana Majumdar, Li Li, Nataly Cruz-Rodriguez, Silvia J Serrano-Gomez, Carlos S Busso, Barbara G Schneider, Alberto G Delgado, Luis E Bravo, Angela M Crist, Stryder M Meadows, M Constanza Camargo, Keith T Wilson, Pelayo Correa, Jovanny Zabaleta
Helicobacter pylori infection triggers a cascade of inflammatory stages that may lead to the appearance of non-atrophic gastritis, multifocal atrophic, intestinal metaplasia, dysplasia, and cancer. Deleted in malignant brain tumors 1 (DMBT1) belongs to the group of secreted scavenger receptor cysteine-rich proteins and is considered to be involved in host defense by binding to pathogens. Initial studies showed its deletion and loss of expression in a variety of tumors but the role of this gene in tumor development is not completely understood...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421779/oral-glutamine-reduces-myocardial-damage-after-coronary-revascularization-under-cardiopulmonary-bypass-a-randomized-clinical-trial
#15
Mariana Chávez-Tostado, Fernando Carrillo-Llamas, Porfirio Eduardo Martínez-Gutiérrez, Araceli Alvarado-Ramírez, Jaime Gilberto López-Taylor, José Clemente Vásquez-Jiménez, Clotilde Fuentes-Orozco, Jorge Rendón-Félix, Leire Irusteta-Jiménez, Vanessa Carolina Calil-Romero, José Antonio Ramírez-Jiménez, Luis Rodrigo Michel-Espinoza, Carmen Karina Contreras-López, Lizbeth Araceli Cuesta-Márquez, Alejandro González-Ojeda
BACKGROUND: Glutamine is the most abundant free amino acid in the body. It modulates immune cell function and is an important energy substrate for cells in critically ill patients. Reduction of injury cardiac markers had been observed in patients receiving intravenous glutamine and in a pilot study with oral glutamine. The aim of this study was to analyze the effect of preoperative oral supplementation of glutamine on postoperative serum levels of cardiac injury markers. METHODS: A randomized clinical trial was performed in 28 Mexican patients with ischemic heart disease who underwent cardiopulmonary bypass with extracorporeal circulation...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28379556/fusing-biodiversity-metrics-into-investigations-of-daily-life-illustrations-and-recommendations-with-emodiversity
#16
Lizbeth Benson, Nilam Ram, David M Almeida, Alex J Zautra, Anthony D Ong
Objectives: Functionalist emotion and ecological systems theories suggest emodiversity-the variety and relative abundance of individuals' emotion experiences-is beneficial for psychological and physical health and may change with age. This paper examines and provides recommendations for operationalization of diversity-type intraindividual variability (IIV) constructs using intensive longitudinal data, and demonstrates the utility of emodiversity by examining its links to physical health moderated by mean levels of emotion and age...
March 30, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28337332/bms-933043-a-selective-%C3%AE-7-nachr-partial-agonist-for-the-treatment-of-cognitive-deficits-associated-with-schizophrenia
#17
Dalton King, Christiana Iwuagwu, Jim Cook, Ivar M McDonald, Robert Mate, F Christopher Zusi, Matthew D Hill, Haiquan Fang, Rulin Zhao, Bei Wang, Amy E Easton, Regina Miller, Debra Post-Munson, Ronald J Knox, Lizbeth Gallagher, Ryan Westphal, Thaddeus Molski, Jingsong Fan, Wendy Clarke, Yulia Benitex, Kimberley A Lentz, Rex Denton, Daniel Morgan, Robert Zaczek, Nicholas J Lodge, Linda J Bristow, John E Macor, Richard E Olson
The therapeutic treatment of negative symptoms and cognitive dysfunction associated with schizophrenia is a significant unmet medical need. Preclinical literature indicates that α7 neuronal nicotinic acetylcholine (nACh) receptor agonists may provide an effective approach to treating cognitive dysfunction in schizophrenia. We report herein the discovery and evaluation of 1c (BMS-933043), a novel and potent α7 nACh receptor partial agonist with high selectivity against other nicotinic acetylcholine receptor subtypes (>100-fold) and the 5-HT3A receptor (>300-fold)...
March 9, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28336403/broad-analysis-of-vicinal-disulfides-occurrences-conformations-with-cis-or-with-trans-peptides-and-functional-roles-including-sugar-binding
#18
Jane S Richardson, Lizbeth L Videau, Christopher J Williams, David C Richardson
Vicinal disulfides between sequence-adjacent cysteine residues are very rare and rather startling structural features which play a variety of functional roles. Typically discussed as an isolated curiosity, they have never received a general treatment covering both cis and trans forms. Enabled by the growing database of high-resolution structures, required deposition of diffraction data, and improved methods for discriminating reliable from dubious cases, we identify and describe distinct protein families with reliably genuine examples of cis or trans vicinal disulfides and discuss their conformations, conservation, and functions...
March 20, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28329860/modeling-intraindividual-dynamics-using-stochastic-differential-equations-age-differences-in-affect-regulation
#19
Julie Wood, Zita Oravecz, Nina Vogel, Lizbeth Benson, Sy-Miin Chow, Pamela Cole, David E Conroy, Aaron L Pincus, Nilam Ram
Objectives: Life-span theories of aging suggest improvements and decrements in individuals' ability to regulate affect. Dynamic process models, with intensive longitudinal data, provide new opportunities to articulate specific theories about individual differences in intraindividual dynamics. This paper illustrates a method for operationalizing affect dynamics using a multilevel stochastic differential equation (SDE) model, and examines how those dynamics differ with age and trait-level tendencies to deploy emotion regulation strategies (reappraisal and suppression)...
March 2, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28325442/a-two-stage-variable-selection-and-classification-approach-for-parkinson-s-disease-detection-by-using-voice-recording-replications
#20
Lizbeth Naranjo, Carlos J Pérez, Jacinto Martín, Yolanda Campos-Roca
BACKGROUND AND OBJECTIVE: In the scientific literature, there is a lack of variable selection and classification methods considering replicated data. The problem motivating this work consists in the discrimination of people suffering Parkinson's disease from healthy subjects based on acoustic features automatically extracted from replicated voice recordings. METHODS: A two-stage variable selection and classification approach has been developed to properly match the replication-based experimental design...
April 2017: Computer Methods and Programs in Biomedicine
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