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Lisanne M Jenkins, Kristy A Skerrett, Sophie R DelDonno, Víctor G Patrón, Kortni K Meyers, Scott Peltier, Jon-Kar Zubieta, Scott A Langenecker, Monica N Starkman
We investigated the ability of preferred classical music to activate the nucleus accumbens in patients with Major depressive disorder (MDD). Twelve males with MDD and 10 never mentally ill male healthy controls (HC) completed measures of anhedonia and depression severity, and listened to 90-second segments of preferred classical music during fMRI. Compared to HCs, individuals with MDD showed less activation of the left nucleus accumbens (NAcc). Individuals with MDD showed attenuation of the left NAcc response in later compared to earlier parts of the experiment, supporting theories that MDD involves an inability to sustain reward network activation...
March 5, 2018: Psychiatry Research
Ashley A Yttredahl, Erin McRobert, Benjamin Sheler, Brian J Mickey, Tiffany M Love, Scott A Langenecker, Jon-Kar Zubieta, David T Hsu
INTRODUCTION: Responding adaptively to one's social environment is a key factor predicting the course of major depressive disorder (MDD). Socially rejecting events can exacerbate, whereas socially accepting events can ameliorate depressive symptoms. The neural responses to rejection and acceptance in MDD are relatively unexplored. METHODS: We used functional magnetic resonance imaging (fMRI) to measure neural responses to romantic rejection and acceptance in women diagnosed with current MDD (n = 19) and a matched group of healthy controls (HCs) (n = 19)...
February 27, 2018: Journal of Affective Disorders
Boris A López-Zubieta, Enrique Conejero Jarque, Íñigo J Sola, Julio San Roman
Soliton self-compression is demonstrated during the propagation of high spatial modes in hollow core fibers in the near-infrared spectral region, taking advantage of their negative dispersion response. We have found that there is always an optimum spatial mode to observe this phenomenon, compressing the pulses down to the single-cycle regime without needing any external compression device and with a consequent increase in the output peak power. Our result is relevant for any ultrashort laser application in which few- or single-cycle pulses are crucial...
March 5, 2018: Optics Express
Aldo Ferreira-Hermosillo, Ruben Casados-V, Pedro Paúl-Gaytán, Victoria Mendoza-Zubieta
BACKGROUND: Exophthalmos, myxedema, and osteoarthropathy syndrome is a very rare condition that is associated with Graves' disease. The presence of dermopathy and the involvement of joint/bone tissues indicate that it seems to be related with the severity of the autoimmune process. Owing to its low incidence, there is a lack of information regarding its treatment and clinical follow-up. Some cases improved after use of high doses of steroids; however, some patients do not respond to this treatment...
February 16, 2018: Journal of Medical Case Reports
Sukhbir Manku, Wendy Wong, Zongshu Luo, Michael A Seidman, Zainab Alabdurubalnabi, Kevin Rey, Winnie Enns, J Antonio Avina-Zubieta, Kamran Shojania, Jonathan C Choy
Giant cell arteritis (GCA) is the most common vasculitis in adults affecting large and medium-sized arteries. IL-6 and T cell accumulation within the arterial wall contribute to the pathogenesis of GCA, and blockade of IL-6 activity is efficacious in its treatment. We examined the relationship between levels of IL-6 expression and immunological processes that control the expansion of T cells in GCA-positive temporal artery biopsies. CD4 T cells accumulated in clusters within the media and deep intima of all GCA lesions...
January 9, 2018: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
A García-Baizán, A Tomás-Biosca, P Bartolomé Leal, P D Domínguez, R García de Eulate Ruiz, S Tejada, J L Zubieta
OBJECTIVE: To report our experience in the use of 3 tesla intraoperative magnetic resonance imaging (MRI) in neurosurgical procedures for tumors, and to evaluate the criteria for increasing the extension of resection. MATERIAL AND METHODS: This retrospective study included all consecutive intraoperative MRI studies done for neuro-oncologic disease in the first 13 months after the implementation of the technique. We registered possible immediate complications, the presence of tumor remnants, and whether the results of the intraoperative MRI study changed the surgical management...
January 17, 2018: Radiología
Mariane Paludetti Zubieta, Fabiano Jares Contesini, Marcelo Ventura Rubio, Any Elisa de Souza Schmidt Gonçalves, Jaqueline Aline Gerhardt, Rolf Alexander Prade, André Ricardo de Lima Damasio
Filamentous fungi are robust cell factories and have been used for the production of large quantities of industrially relevant enzymes. However, the production levels of heterologous proteins still need to be improved. Therefore, this article aimed to investigate the global proteome profiling of Aspergillus nidulans recombinant strains in order to understand the bottlenecks of heterologous enzymes production. About 250, 441 and 424 intracellular proteins were identified in the control strain Anid_pEXPYR and in the recombinant strains Anid_AbfA and Anid_Cbhl respectively...
January 8, 2018: Microbial Biotechnology
Emmanuel Marin Valdez-Solis, Claudia Ramírez-Rentería, Aldo Ferreira-Hermosillo, Mario Molina-Ayala, Victoria Mendoza-Zubieta, Víctor Rodríguez-Pérez
Background: Gastroesophageal pathologies are common and multifactorial in patients with type 1 diabetes (T1DM). The evaluation with endoscopy and 24 h pH esophageal monitoring is expensive and not always available in all medical centers, especially in developing countries so more cost-effective algorithms for diagnosis are required. Clinical questionnaires are easy to apply but its utility for gastroesophageal reflux disease screening in patients with long standing T1DM must be analyzed...
September 30, 2017: Colombia Médica: CM
Karla Leticia Sánchez-Ruiz, Aldo Ferreira-Hermosillo, Mario Antonio Molina-Ayala, Claudia Ramírez-Rentería, Victoria Mendoza-Zubieta
BACKGROUND: Mexico has one of the highest prevalences of severe obesity worldwide. Mortality in those patients may be as high as 90% mainly due to cardiovascular disease. Despite Framingham score has been validated in the Mexican population, it only predicts cardiovascular risk at 10 years. Meanwhile ASCVD10 score could evaluate risk at 10 years and through lifetime. None of these scores have been used for cardiovascular risk assessment in Mexican patients with severe obesity. METHODS: We conducted a quasi-experimental (before/ after) study with 109 patients with severe obesity, assessed prevalence of comorbidities, performed anthropometric and biochemical evaluations before and a year after bariatric surgery...
September 2017: Revista Médica del Instituto Mexicano del Seguro Social
Mayra Jezabel Vázquez de la Torre, Katja Stein, Edgar Manuel Vásquez Garibay, Miguel Roberto Kumazawa Ichikawa, Rogelio Troyo Sanromán, Alicia Guadalupe Salcedo Flores, Fernando Antonio Sánchez Zubieta
BACKGROUND: The subjective global assessment (SGA) is a simple, sensitive tool used to identify nutritional risk. It is widely used in the adult population, but there is little evidence on its effectiveness in children with cancer. OBJECTIVE: This cross-sectional study was undertaken to demonstrate significant correlation between a simplified version of the Patient-Generated SGA (PG-SGA) and anthropometric assessment to identify nutritional status in children recently diagnosed with cancer...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
Jay Tinklepaugh, Britannia M Smith, Etta Hanlon, Chloe Zubieta, Fadi Bou-Abdallah, Robert P Doyle
Saposin B (SapB) is a human lysosomal protein, critical for the degradation of O -sulfogalactosylceramide (sulfatide). SapB binds sulfatide and presents it to the active site of the enzyme arylsulfatase A. Deficiency of SapB leads to fatal activator-deficient metachromatic leukodystrophy. Given the conformational flexibility and the large hydrophobic "pocket" produced upon (physiologically relevant) homodimerization, SapB may have broader substrate diversity than originally thought. Herein, we present evidence using fluorescence spectroscopy and computational docking studies that SapB binds a wide variety of ligands at K D values varying from micromolar to nanomolar, with entropy being the primary driving force...
October 31, 2017: ACS Omega
Katherine McGuire, J Antonio Avina-Zubieta, John M Esdaile, Mohsen Sadatsafavi, Eric C Sayre, Michal Abrahamowicz, Diane Lacaille
OBJECTIVE: Studies have demonstrated a link between COPD and inflammation, raising the question whether chronic inflammatory conditions, such as RA, predispose to COPD. Our objective was to evaluate the risk of incident COPD hospitalization in RA compared to the general population. METHODS: We studied a population-based incident RA cohort with matched general population controls, using administrative health data.. All incident RA cases in British Columbia (BC) who first met RA definition between 01/1996 and 12/2006 were selected using previously published criteria...
October 19, 2017: Arthritis Care & Research
A Romeo, M I Gonzalez, J Jaunarena, M E Zubieta, G Favre, J C Tejerizo
INTRODUCTION AND OBJECTIVE: To evaluate complications, morbidity and oncologic outcomes of pelvic exenteration as treatment for gynecologic malignancies. MATERIALS AND METHODS: Between 2008 and 2015, a total of 35 patients underwent pelvic exenteration, due to recurrence of gynecological cancer. Surgical outcomes, early and late postoperative complications, and recurrence/survival outcomes were assessed. RESULTS: Mean patient age was 53.8 years...
September 11, 2017: Actas Urologicas Españolas
Fabiano Jares Contesini, Marcelo Vizoná Liberato, Marcelo Ventura Rubio, Felipe Calzado, Mariane Paludetti Zubieta, Diego Mauricio Riaño-Pachón, Fabio Marcio Squina, Fabricio Bracht, Munir S Skaf, André Ricardo Damasio
Carbohydrate-Active Enzymes are key enzymes for biomass-to-bioproducts conversion. α-l-Arabinofuranosidases that belong to the Glycoside Hydrolase family 62 (GH62) have important applications in biofuel production from plant biomass by hydrolyzing arabinoxylans, found in both the primary and secondary cell walls of plants. In this work, we identified a GH62 α-l-arabinofuranosidase (AnAbf62Awt ) that was highly secreted when Aspergillus nidulans was cultivated on sugarcane bagasse. The gene AN7908 was cloned and transformed in A...
December 2017: Biochimica et Biophysica Acta
Marta Peciña, Magdalena Sikora, Erich T Avery, Joseph Heffernan, Susana Peciña, Brian J Mickey, Jon-Kar Zubieta
Dopamine (DA) neurotransmission within the brain's reward circuit has been implicated in the pathophysiology of depression and in both, cognitive and pharmacological mechanisms of treatment response. Still, a direct relationship between measures of DA neurotransmission and reward-related deficits in patients with depression has not been demonstrated. To gain insight into the symptom-specific alterations in the DA system in patients with depression, we used positron emission tomography (PET) and the D2/3 receptor-selective radiotracer [11 C]raclopride in twenty-three non-smoking un-medicated Major Depressive Disorder (MDD) patients and sixteen healthy controls (HC)...
October 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
K M Szymanski, P-J Lopez, J P Corbetta, F Reed, J Ruiz, Y Pullin, S Weller, R Zubieta, R C Rink, M P Cain
OBJECTIVE: Appendicovesicostomy (APV) and Monti ileovesicostomy (Monti) are durable catheterizable channels. While subfascial revision rates vary by channel type, a channel implanted in the anterior (vs posterior) aspect of the bladder may have a lower subfascial revision risk, due to decreased channel mobility and better fascial fixation. The present study aimed to compare long-term durability of anteriorly compared to posteriorly implanted APV and Monti channels in a large international cohort...
August 2, 2017: Journal of Pediatric Urology
Alejandro Nieponice, Fabio Nachman, Adolfo Badaloni, Franco Ciotola, Cecilia Zubieta, Mauricio Ramirez
Achalasia and Treatment of esophageal Adenocarcinoma are commonly associated to surgical resection. Newer technologies in interventional endoscopy gave way to a substantial paradigm shift in the management of these conditions. In the case of achalasia, endoscopic myotomy is rapidly displacing Heller's myotomy as the gold standard in many centers. Early stage neoplasia in Barrett's esophagus (BE) comprising high-grade dysplasia (HGD), intramucosal and, in some cases, submucosal carcinoma is now being treated without the need of esophagectomy...
July 2017: Journal of Thoracic Disease
Juan Antonio Avina-Zubieta, Natasha Dehghan, Ju Ann Tan
No abstract text is available yet for this article.
July 14, 2017: Annals of the Rheumatic Diseases
Grégoire Denay, Gilles Vachon, Renaud Dumas, Chloe Zubieta, François Parcy
Proteins often act in complexes assembled via protein-protein interaction domains. The sterile alpha motif (SAM) domain is one of the most prominent interaction domains in animals and is present in proteins of diverse functions. This domain allows head-to-tail closed oligomerisation or polymer formation resulting in homo- and/or heterocomplexes that have been shown to be important for proper protein localisation and function. In plants this domain is also present but has been poorly studied except for recent studies on the LEAFY floral regulator and the tRNA import component (TRIC)1/2 proteins...
August 2017: Trends in Plant Science
Mauricio Ramirez, Cecilia Zubieta, Franco Ciotola, Alfredo Amenabar, Adolfo Badaloni, Fabio Nachman, Alejandro Nieponice
OBJECTIVE: To report our experience in POEM vs. LHM, with particular focus on myotomy extension. BACKGROUND: POEM has been adopted worldwide as a treatment for achalasia. While resolution of dysphagia is above 90%, postoperative reflux ranges from 10 to 57%. Myotomy length has been a controversial topic. METHODS: Thirty-five cases of POEM were prospectively analyzed and compared retrospectively to the last 35 patients that underwent LHM, from December 2010 to August 2016...
June 28, 2017: Surgical Endoscopy
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