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C Bermudez

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https://www.readbyqxmd.com/read/28414293/inherited-gins1-deficiency-underlies-growth-retardation-along-with-neutropenia-and-nk-cell-deficiency
#1
Julien Cottineau, Molly C Kottemann, Francis P Lach, Young-Hoon Kang, Frédéric Vély, Elissa K Deenick, Tomi Lazarov, Laure Gineau, Yi Wang, Andrea Farina, Marie Chansel, Lazaro Lorenzo, Christelle Piperoglou, Cindy S Ma, Patrick Nitschke, Aziz Belkadi, Yuval Itan, Bertrand Boisson, Fabienne Jabot-Hanin, Capucine Picard, Jacinta Bustamante, Céline Eidenschenk, Soraya Boucherit, Nathalie Aladjidi, Didier Lacombe, Pascal Barat, Waseem Qasim, Jane A Hurst, Andrew J Pollard, Holm H Uhlig, Claire Fieschi, Jean Michon, Vladimir P Bermudez, Laurent Abel, Jean-Pierre de Villartay, Frédéric Geissmann, Stuart G Tangye, Jerard Hurwitz, Eric Vivier, Jean-Laurent Casanova, Agata Smogorzewska, Emmanuelle Jouanguy
Inborn errors of DNA repair or replication underlie a variety of clinical phenotypes. We studied 5 patients from 4 kindreds, all of whom displayed intrauterine growth retardation, chronic neutropenia, and NK cell deficiency. Four of the 5 patients also had postnatal growth retardation. The association of neutropenia and NK cell deficiency, which is unusual among primary immunodeficiencies and bone marrow failures, was due to a blockade in the bone marrow and was mildly symptomatic. We discovered compound heterozygous rare mutations in Go-Ichi-Ni-San (GINS) complex subunit 1 (GINS1, also known as PSF1) in the 5 patients...
April 17, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28408371/leukocyte-overexpression-of-intracellular-nampt-attenuates-atherosclerosis-by-regulating-ppar%C3%AE-dependent-monocyte-differentiation-and-function
#2
Beatriz Bermudez, Tuva B Dahl, Indira Medina, Mathijs Groeneweg, Sverre Holm, Sergio Montserrat-de la Paz, Mat Rousch, Jeroen J T Otten, Veronica Herias, Lourdes M Varela, Trine Ranheim, Arne Yndestad, Almudena Ortega-Gomez, Rocio Abia, Laszlo Nagy, Pal Aukrust, Francisco J G Muriana, Bente Halvorsen, Erik A L Biessen
OBJECTIVE: Extracellular nicotinamide phosphoribosyltransferase (eNAMPT) mediates inflammatory and potentially proatherogenic effects, whereas the role of intracellular NAMPT (iNAMPT), the rate limiting enzyme in the salvage pathway of nicotinamide adenine dinucleotide (NAD)(+) generation, in atherogenesis is largely unknown. Here we investigated the effects of iNAMPT overexpression in leukocytes on inflammation and atherosclerosis. APPROACH AND RESULTS: Low-density lipoprotein receptor-deficient mice with hematopoietic overexpression of human iNAMPT (iNAMPT(hi)), on a western type diet, showed attenuated plaque burden with features of lesion stabilization...
April 13, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28375611/phase-transition-dielectric-properties-and-ionic-transport-in-the-ch3-2nh2-pbi3-organic-inorganic-hybrid-with-2h-hexagonal-perovskite-structure
#3
A García-Fernández, J M Bermúdez-García, S Castro-García, A L Llamas-Saiz, R Artiaga, J López-Beceiro, S Hu, W Ren, A Stroppa, M Sánchez-Andújar, M A Señarís-Rodríguez
In this work, we focus on [(CH3)2NH2]PbI3, a member of the [AmineH]PbI3 series of hybrid organic-inorganic compounds, reporting a very easy mechanosynthesis route for its preparation at room temperature. We report that this [(CH3)2NH2]PbI3 compound with 2H-perovskite structure experiences a first-order transition at ≈250 K from hexagonal symmetry P63/mmc (HT phase) to monoclinic symmetry P21/c (LT phase), which involves two cooperative processes: an off-center shift of the Pb(2+) cations and an order-disorder process of the N atoms of the DMA cations...
April 4, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28370133/isobolographic-analyses-of-proglumide-celecoxib-interaction-in-rats-with-painful-diabetic-neuropathy
#4
Samuel Suarez-Mendez, Carlos A Tovilla-Zarate, Luis F Ortega-Varela, Deysi Y Bermudez-Ocaña, Jorge L Blé-Castillo, Thelma B González-Castro, Alma M Zetina-Esquivel, Juan C Diaz-Zagoya, Isela Esther Juárez-Rojop
Preclinical Research The aim of the present study was to analyze the antihyperalgesic and antiallodynic interaction between the non-selective cholecystokinin (CCK) antagonist receptor, proglumide, and the selective cyclooxygenase-2 inhibitor, celecoxib in streptozotocin (STZ)-induced diabetic rats. Hyperalgesia was evaluated in the formalin test and tactile allodynia using von Frey filaments. Isobolographic analyses were employed to define the nature of the compound interactions, using a fixed dose ratio (0...
April 3, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28360217/bilateral-lung-transplantation-for-bleomycin-associated-lung-injury
#5
Vivek Narayan, Charuhas Deshpande, Christian A Bermudez, Jaclyn M Golato, James C Lee, Joshua Diamond, David J Vaughn
This report details the successful use of bilateral lung transplantation for the management of severe postoperative bleomycin-associated lung injury. This case highlights that the extremely favorable prognosis of advanced testicular germ cell tumors after systemic chemotherapy (>90% cure rate) should not preclude lung transplant consideration in all cases, despite current guidance that considers an advanced malignancy to be a contraindication for lung transplant listing. The Oncologist 2017;22:1-3.
March 30, 2017: Oncologist
https://www.readbyqxmd.com/read/28346415/haplo-cord-transplantation-compared-to-haploidentical-transplantation-with-post-transplant-cyclophosphamide-in-patients-with-aml
#6
M Kwon, G Bautista, P Balsalobre, I Sánchez-Ortega, P Montesinos, A Bermúdez, A de Laiglesia, P Herrera, C Martin, K Humala, A Zabalza, M Torres, L Bento, L L Corral, I Heras, D Serrano, I Buño, J Anguita, C Regidor, R Duarte, R Cabrera, J Gayoso, J L Diez-Martin
For patients with AML, the best alternative donor remains to be defined. We analyze outcomes of patients who underwent myeloablative umbilical cord blood or haploidentical hemopoietic stem cell transplantation (HSCT) in Spain. Fifty-one patients underwent single umbilical cord blood transplantation supported by a third party donor (Haplo-Cord) between 1999 and 2012, and 36 patients received an haploidentical HSCT with post-transplant cyclophosphamide (PTCY-haplo) between 2012 and 2014 in GETH centers. The Haplo-Cord cohort included a higher proportion of patients with high disease risk index and use of TBI in the conditioning regimen, and hematopoietic cell transplantation-age Comorbidity Age Index was higher in PTCY-haplo patients...
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28276564/dietary-fatty-acids-on-aortic-root-calcification-in-mice-with-metabolic-syndrome
#7
Maria C Naranjo, Beatriz Bermudez, Indara Garcia, Sergio Lopez, Rocio Abia, Francisco J G Muriana, Sergio Montserrat-de la Paz
Metabolic syndrome (MetS) is associated with obesity, dyslipidemia, type 2 diabetes, and chronic low-grade inflammation. The aim of this study was to determine the role of high-fat low-cholesterol diets (HFLCDs) rich in SFAs (HFLCD-SFAs), MUFAs (HFLCD-MUFAs) or MUFAs plus omega-3 long-chain PUFAs (HFLCD-PUFAs) on vascular calcification by the modulation of the RANKL/RANK/OPG system in the aortic roots of Lep(ob/ob)LDLR(-/-) mice. Animals fed with HFLCD-SFAs had increased weight and a greater atheroma plaque size, calcification, and RANKL/CATHK expression in the aortic root than mice on MUFA-enriched diets, with an increasing OPG expression in the aortic roots of the latter...
April 19, 2017: Food & Function
https://www.readbyqxmd.com/read/28241317/tgf%C3%AE-2-induces-the-formation-of-cross-linked-actin-networks-clans-in-human-trabecular-meshwork-cells-through-the-smad-and-non-smad-dependent-pathways
#8
Michela Montecchi-Palmer, Jaclyn Y Bermudez, Hannah C Webber, Gaurang C Patel, Abbot F Clark, Weiming Mao
Purpose: Increased intraocular pressure results from increased aqueous humor (AH) outflow resistance at the trabecular meshwork (TM) due to pathologic changes including the formation of cross-linked actin networks (CLANs). Transforming growth factor β2 (TGFβ2) is elevated in the AH and TM of primary open angle glaucoma (POAG) patients and induces POAG-associated TM changes, including CLANs. We determined the role of individual TGFβ2 signaling pathways in CLAN formation. Methods: Cultured nonglaucomatous human TM (NTM) cells were treated with control or TGFβ2, with or without the inhibitors of TGFβ receptor, Smad3, c-Jun N-terminal kinases (JNK), extracellular signal regulated kinase (ERK), P38, or Rho-associated protein kinase (ROCK)...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28218439/the-effects-of-exogenous-fatty-acids-and-niacin-on-human-monocyte-macrophage-plasticity
#9
Sergio Montserrat-de la Paz, Dolores Rodriguez, Magdalena P Cardelo, Maria C Naranjo, Beatriz Bermudez, Rocio Abia, Francisco J G Muriana, Sergio Lopez
SCOPE: Macrophage plasticity allows adapting to different environments, having a dual activity in inflammatory-related diseases. Our hypothesis is that the type of dietary fatty acids into human postprandial triglyceride-rich lipoproteins (TRLs), alone or in combination with niacin (vitamin B3), could modulate the plasticity of monocytes-macrophages. METHODS AND RESULTS: We isolated TRLs at the postprandial peak from blood samples of healthy volunteers after the ingestion of a meal rich in saturated fatty acids (SFAs), monounsaturated fatty acids (MUFAs) or MUFAs plus omega-3 long-chain polyunsaturated fatty acids (LCPUFAs)...
February 20, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28193209/secretion-of-biologically-active-pancreatitis-associated-protein-i-pap-by-genetically-modified-dairy-lactococcus-lactis-nz9000-in-the-prevention-of-intestinal-mucositis
#10
Rodrigo D Carvalho, Natalia Breyner, Zelia Menezes-Garcia, Nubia M Rodrigues, Luisa Lemos, Tatiane U Maioli, Danielle da Gloria Souza, Denise Carmona, Ana M C de Faria, Philippe Langella, Jean-Marc Chatel, Luis G Bermúdez-Humarán, Henrique C P Figueiredo, Vasco Azevedo, Marcela S de Azevedo
BACKGROUND: Mucositis is one of the most relevant gastrointestinal inflammatory conditions in humans, generated by the use of chemotherapy drugs, such as 5-fluoracil (5-FU). 5-FU-induced mucositis affects 80% of patients undergoing oncological treatment causing mucosal gut dysfunctions and great discomfort. As current therapy drugs presents limitations in alleviating mucositis symptoms, alternative strategies are being pursued. Recent studies have shown that the antimicrobial pancreatitis-associated protein (PAP) has a protective role in intestinal inflammatory processes...
February 13, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28154242/efficient-and-stable-solution-processed-planar-perovskite-solar-cells-via-contact-passivation
#11
Hairen Tan, Ankit Jain, Oleksandr Voznyy, Xinzheng Lan, F Pelayo García de Arquer, James Z Fan, Rafael Quintero-Bermudez, Mingjian Yuan, Bo Zhang, Yicheng Zhao, Fengjia Fan, Peicheng Li, Li Na Quan, Yongbiao Zhao, Zheng-Hong Lu, Zhenyu Yang, Sjoerd Hoogland, Edward H Sargent
Planar perovskite solar cells made entirely via solution-processing at low temperatures (<150°C) offer promise for simple manufacturing, compatibility with flexible substrates, and perovskite-based tandem devices; however, they require an electron-selective layer that performs well with similar processing. We report a contact passivation strategy using chlorine-capped TiO2 colloidal nanocrystal (NC) film that mitigates interfacial recombination and improves interface binding in low-temperature planar solar cells...
February 2, 2017: Science
https://www.readbyqxmd.com/read/28132422/probing-the-biology-of-cell-boundary-conditions-through-confinement-of-xenopus-cell-free-cytoplasmic-extracts
#12
REVIEW
Jessica G Bermudez, Hui Chen, Lily C Einstein, Matthew C Good
Cell-free cytoplasmic extracts prepared from Xenopus eggs and embryos have for decades provided a biochemical system with which to interrogate complex cell biological processes in vitro. Recently, the application of microfabrication and microfluidic strategies in biology has narrowed the gap between in vitro and in vivo studies by enabling formation of cell-size compartments containing functional cytoplasm. These approaches provide numerous advantages over traditional biochemical experiments performed in a test tube...
January 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28131982/use-of-5-azacitidine-for-therapy-related-myeloid-neoplasms-in-patients-with-concomitant-active-neoplastic-disease
#13
M Annereau, C Willekens, L El Halabi, C Chahine, V Saada, N Auger, A Danu, E Bermudez, J Lazarovici, D Ghez, A Leary, B Pistilli, F Lemare, E Solary, S de Botton, R-P Desmaris, J-B Micol
BACKGROUND: Patients diagnosed with therapy-related myeloid neoplasms (TRMN) with concomitant active neoplastic disorder (CAND) are usually proposed for best supportive care (BSC). We evaluated the feasibility of using 5-azacytidine (AZA) in this setting. METHODS: All patients referred to Gustave Roussy between 2010 and 2015 for TRMN diagnosis (less than 30% blast) and eligible for AZA treatment were included. Patients with CAND proposed for BSC were also described...
January 20, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28131190/comorbid-conditions-associated-with-parkinson-s-disease-a-longitudinal-and-comparative-study-with-alzheimer-disease-and-control-subjects
#14
D Santos García, E Suárez Castro, I Expósito, T de Deus, C Tuñas, A Aneiros, M López Fernández, D Núñez Arias, M Bermúdez Torres
BACKGROUND AND OBJECTIVE: To study what comorbid conditions were present at baseline and 3years later in a cohort of Spanish Parkinson's disease (PD) patients, to compare comorbidity with both Alzheimer's disease (AD) and control groups and to analyze the role of comorbidity as predictor of mortality. METHODS: One hundred and forty-seven non-demented PD patients (57.1% males; 70.9±8.6years old) were included in this 36months follow-up (2012-2015), monocenter, evaluation study...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28126184/-breaking-paradigms-intestinal-microbiota-transplantation-preliminar-report
#15
Álvaro Zamudio-Tiburcio, Héctor Bermúdez-Ruiz, Hugo Ricardo Lezama-Guzmán, María Del Pilar Guevara-Ortigoza, Elena Islas-Solares, Francisco Antonio Sosa-López
In the fourth century, during the Chinese Dong Jin dynasty, the doctor Ge Hong described good results after the oral administration of a suspension prepared from human faeces in patients with severe diarrhoea or food poisoning. Faecal microbiota transplantation has been used for five years in order to treat different diseases in addition to the severe diarrhoea caused by Clostridium difficile(1). This paper aims to confirm that intestinal microbiota transplantation succeeds in reducing the negative impact of diseases such as severe diarrhoea, irritable bowel syndrome, anxiety, allergies, metabolic syndrome and others and that it is not only indicated for severe diarrhoea caused by C...
January 23, 2017: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/28124733/ancut2-a-thermo-alkaline-cutinase-from-aspergillus-nidulans-and-its-potential-applications
#16
Eva Bermúdez-García, Carolina Peña-Montes, José Augusto Castro-Rodríguez, Augusto González-Canto, Arturo Navarro-Ocaña, Amelia Farrés
Biochemical characterization of purified ANCUT2 cutinase from Aspergillus nidulans is described. The identified amino acid sequence differs from that predicted in Aspergillus genomic databases in amino acids not relevant for catalysis. The enzyme is thermo-alkaline, showing its maximum activity at pH 9 and 60 °C, and it retains more than 60% of its initial activity after incubation for 1 h at 60 °C for pH values between 6 and 10. ANCUT2 is more active towards long-chain esters and it hydrolyzes cutin; however, it also hydrolyzes short-chain esters...
January 25, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28106478/uremic-calciphylaxis-325
#17
Katherine Roza, Jason C George, Maria Bermudez, Zankhana Mehta
No abstract text is available yet for this article.
April 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28068412/a-comparison-of-gene-expression-profiles-between-glucocorticoid-responder-and-non-responder-bovine-trabecular-meshwork-cells-using-rna-sequencing
#18
Jaclyn Y Bermudez, Hannah C Webber, Bartley Brown, Terry A Braun, Abbot F Clark, Weiming Mao
The most common ocular side effect of glucocorticoid (GC) therapy is GC-induced ocular hypertension (OHT) and GC-induced glaucoma (GIG). GC-induced OHT occurs in about 40% of the general population, while the other 60% are resistant. This study aims to determine the genes and pathways involved in differential GC responsiveness in the trabecular meshwork (TM). Using paired bovine eyes, one eye was perfusion-cultured with 100nM dexamethasone (DEX), while the fellow eye was used to establish a bovine TM (BTM) cell strain...
2017: PloS One
https://www.readbyqxmd.com/read/28060928/synanthropic-mammals-as-potential-hosts-of-tick-borne-pathogens-in-panama
#19
Sergio E Bermúdez, Nicole Gottdenker, Aparna Krishnvajhala, Amy Fox, Hannah K Wilder, Kadir González, Diorene Smith, Marielena López, Milixa Perea, Chystrie Rigg, Santiago Montilla, José E Calzada, Azael Saldaña, Carlos M Caballero, Job E Lopez
Synanthropic wild mammals can be important hosts for many vector-borne zoonotic pathogens. The aim of this study was determine the exposure of synanthropic mammals to two types of tick-borne pathogens in Panama, spotted fever group Rickettsia (SFGR) and Borrelia relapsing fever (RF) spirochetes. One hundred and thirty-one wild mammals were evaluated, including two gray foxes, two crab-eating foxes (from zoos), four coyotes, 62 opossum and 63 spiny rats captured close to rural towns. To evaluate exposure to SFGR, serum samples from the animals were tested by indirect immunofluorescence assay (IFA) using Rickettsia rickettsii and Candidatus Rickettsia amblyommii antigen...
2017: PloS One
https://www.readbyqxmd.com/read/28045536/plasmonic-waveguide-integrated-nanowire-laser
#20
Esteban Bermúdez-Ureña, Gozde Tutuncuoglu, Javier Cuerda, Cameron L C Smith, Jorge Bravo-Abad, Sergey I Bozhevolnyi, Anna Fontcuberta I Morral, Francisco J García-Vidal, Romain Quidant
Next-generation optoelectronic devices and photonic circuitry will have to incorporate on-chip compatible nanolaser sources. Semiconductor nanowire lasers have emerged as strong candidates for integrated systems with applications ranging from ultrasensitive sensing to data communication technologies. Despite significant advances in their fundamental aspects, the integration within scalable photonic circuitry remains challenging. Here we report on the realization of hybrid photonic devices consisting of nanowire lasers integrated with wafer-scale lithographically designed V-groove plasmonic waveguides...
February 8, 2017: Nano Letters
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