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Aurore Palud, Hélène Scornec, Jean-François Cavin, Hélène Licandro
Lactic acid bacteria (LAB) are associated with various plant, animal, and human niches and are also present in many fermented foods and beverages. Thus, they are subjected to several stress conditions and have developed advanced response mechanisms to resist, adapt, and grow. This work aimed to identify the genes involved in some stress adaptation mechanisms in LAB. For this purpose, global reverse genetics was applied by screening a library of 1287 Lactobacillus paracasei transposon mutants for mild monofactorial stresses...
2018: Frontiers in Microbiology
M Guimas, P Le Palud, E Bergot
No abstract text is available yet for this article.
April 2018: Revue de Pneumologie Clinique
Giuseppe Cannone, Silvia Visentin, Adeline Palud, Ghislaine Henneke, Laura Spagnolo
Cell division is a complex process that requires precise duplication of genetic material. Duplication is concerted by replisomes. The Minichromosome Maintenance (MCM) replicative helicase is a crucial component of replisomes. Eukaryotic and archaeal MCM proteins are highly conserved. In fact, archaeal MCMs are powerful tools for elucidating essential features of MCM function. However, while eukaryotic MCM2-7 is a heterocomplex made of different polypeptide chains, the MCM complexes of many Archaea form homohexamers from a single gene product...
February 8, 2017: Scientific Reports
J P Grattan, R B Adams, H Friedman, D D Gilbertson, K I Haylock, C O Hunt, M Kent
The roots of pyrometallurgy are obscure. This paper explores one possible precursor, in the Faynan Orefield in southern Jordan. There, at approximately 7000cal. BP, banks of a near-perennial meandering stream (today represented by complex overbank wetland and anthropogenic deposits) were contaminated repeatedly by copper emitted by human activities. Variations in the distribution of copper in this sequence are not readily explained in other ways, although the precise mechanism of contamination remains unclear...
December 15, 2016: Science of the Total Environment
B J Bandibabone, M B Zawadi, M V Ntale, C C Habamungu, B L Ombeni
This study has been done with the objective of knowing more about the Anopheles evolutions situation at Lwiro-Katana from 1967 up to 2014. On seven species identified in this region, only four were permanent in nine investigations done. The geometric average calculated shows the evolution of 3.152 for Anopheles funestus, 2.867 for An. gambiae, 2.663 for An. demeilloni and 2.441 for An. marshallii. These species share almost the same ecological conditions for their larval development found in different kinds of water...
February 2016: Bulletin de la Société de Pathologie Exotique
Pierre Le Palud, Vincent Cattoir, Brigitte Malbruny, Romain Magnier, Karine Campbell, Youssef Oulkhouir, Gérard Zalcman, Emmanuel Bergot
BACKGROUND: Fiberoptic bronchoscopy (FOB) is a useful diagnosis tool in low-burden countries for patients with suspected pulmonary tuberculosis (TB) who are smear-negative or sputum-scarce. This study sought to determine the accuracy of the Xpert® MTB/RIF (XP) assay using FOB samples. METHODS: We retrospectively reviewed clinical, radiological, and microbiological characteristics of 175 TB-suspected patients requiring diagnostic FOB (bronchial aspirate or bronchoalveolar lavage) with XP assay...
2014: BMC Pulmonary Medicine
Michele Boscolo Papo, Daniela Bertotto, Francesco Quaglio, Marta Vascellari, Francesco Pascoli, Elena Negrato, Giovanni Binato, Giuseppe Radaelli
The aim of this study was to evaluate the histomorphology and the stress response in the bivalve Venerupis philippinarum sampled in four differently polluted sites of the Venice Lagoon (Palude del Monte, Marghera, Ca' Roman and Val di Brenta). This species is often used as bioindicator of environmental pollution since it can bioaccumulate a large variety of pollutants because of its filter feeding. Chemical analyses for heavy metals (Cd, Cu, Hg and Pb) and polycyclic aromatic hydrocarbons (PAHs) were performed on whole soft tissues of V...
July 2014: Fish & Shellfish Immunology
Meinie Seelen, Anne E Visser, Daniel J Overste, Hong J Kim, A Palud, Tsz H Wong, John C van Swieten, Philip Scheltens, Nicol C Voermans, Frank Baas, J M B V de Jong, Anneke J van der Kooi, Marianne de Visser, Jan H Veldink, J Paul Taylor, Michael A Van Es, Leonard H van den Berg
Inclusion body myopathy (IBM) associated with Paget disease of the bone, frontotemporal dementia (FTD), and amyotrophic lateral sclerosis (ALS), sometimes called IBMPFD/ALS or multi system proteinopathy, is a rare, autosomal dominant disorder characterized by progressive degeneration of muscle, brain, motor neurons, and bone with prominent TDP-43 pathology. Recently, 2 novel genes for multi system proteinopathy were discovered; heterogenous nuclear ribonucleoprotein (hnRNP) A1 and A2B1. Subsequently, a mutation in hnRNPA1 was also identified in a pedigree with autosomal dominant familial ALS...
August 2014: Neurobiology of Aging
No abstract text is available yet for this article.
April 1953: Revista Médica Dominicana
Mónica García
This paper analyses how the Colombian medical elites made sense of typhoid fever before and during the inception of bacteriological ideas and practices in the second half of the nineteenth century. Assuming that the identity of typhoid fever has to be understood within the broader concerns of the medical community in question, I show how doctors first identified Bogotá's epidemics as typhoid fever during the 1850s, and how they also attached specificity to the fever amongst other continuous fevers, such as its European and North American counterparts...
January 2014: Medical History
Pierre-François Pluchon, Thomas Fouqueau, Christophe Crezé, Sébastien Laurent, Julien Briffotaux, Gaëlle Hogrel, Adeline Palud, Ghislaine Henneke, Anne Godfroy, Winfried Hausner, Michael Thomm, Jacques Nicolas, Didier Flament
In Archaea, the proteins involved in the genetic information processing pathways, including DNA replication, transcription, and translation, share strong similarities with those of eukaryotes. Characterizations of components of the eukaryotic-type replication machinery complex provided many interesting insights into DNA replication in both domains. In contrast, DNA repair processes of hyperthermophilic archaea are less well understood and very little is known about the intertwining between DNA synthesis, repair and recombination pathways...
2013: PloS One
Adrien Lucon, Laurent Palud, Dominique Pavin, Erwan Donal, Nathalie Behar, Christophe Leclercq, Philippe Mabo, Jean-Claude Daubert
BACKGROUND: The very long-term effects of dual chamber pacing as a primary treatment for hypertrophic obstructive cardiomyopathy (HOCM) are poorly known and controversial. AIMS: To examine the intermediate- and long-term clinical and haemodynamic effects of permanent dual chamber pacing in patients presenting with HOCM. METHODS: Between 1991 and 2007, 51 patients (mean age 59 ± 14 years) presenting with HOCM and New York Heart Association (NYHA) functional class ≥ II despite optimal medical therapy underwent implantation of DDD pacemakers with or without a defibrillator and were followed for 11...
June 2013: Archives of Cardiovascular Diseases
Aurore Palud, Camille Marciniak, David Montaigne, Xavier Marechal, Caroline Ballot, Sidi Mohamed Hassoun, Brigitte Decoster, Remi Neviere, Steve Lancel
AIMS: Development of metabolic syndrome is associated with impaired cardiac performance, mitochondrial dysfunction and pro-inflammatory cytokine increase, such as the macrophage migration inhibitory factor MIF. Depending on conditions, MIF may exert both beneficial and deleterious effects on the myocardium. Therefore, we tested whether pharmacological inhibition of MIF prevented or worsened metabolic syndrome-induced myocardial dysfunction. METHODS AND RESULTS: C57BL/6J mice were fed for ten weeks with 60% fat-enriched diet (HFD) or normal diet (ND)...
2013: PloS One
Arturo Torres-Dosal, Rebeca Isabel Martinez-Salinas, Diego Hernandez-Benavides, Francisco Javier Perez-Vazquez, Cesar Ilizaliturri-Hernandez, Ivan Nelinho Perez-Maldonado
In Mexico, 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT) was used until the year 2000, principally in agriculture and anti-paludal program health campaigns. The southeastern region of Mexico was an important area of malaria, and from 1957 DDT was applied indoors every 6 months, with a coverage of 2 g/m(2). The current study was performed in Tabasco, a Mexican state located in the southeastern region of Mexico. DDT and 1,1-dichloro-2,2-bis(4-chlorophenyl)ethene (DDE) were analyzed by gas chromatography/mass spectrometry...
December 2012: Environmental Monitoring and Assessment
Edward C Nemergut, Palud J FIagg, Edward C Nemergut
No abstract text is available yet for this article.
January 2012: Anesthesia and Analgesia
F Remérand, J Caillaud, J Laulan, M Palud, A Baud, C Couvret, L Favard, M Laffon, A Bouakaz, S Velut, J Fusciardi
INTRODUCTION: Several peripheral nerve block techniques (PNB) are performed for hand surgery. Their tolerance by patients or their efficacy are poorly described. We evaluated them for blocks at the wrist and at the brachial canal. PATIENTS AND METHODS: Cohort of outpatients undergoing open carpal tunnel release under PNB with arm tourniquet. Various anaesthetic protocols existed in our staff. The primary end points were a moderate to severe pain (greater than 3/10 on a numerical rating scale) felt during needle puncture, nerve stimulation, mepivacaine injection, at the surgical site (intraoperatively) or at the arm tourniquet, an intraoperative lidocaine supplementation, the occurrence of vasovagal events...
January 2012: Annales Françaises D'anesthèsie et de Rèanimation
Malcolm Lemyze, Aurore Palud, Raphael Favory, Daniel Mathieu
We report the case of a young man who attempted suicide by hanging and whose neurological status deteriorated until the cervical collar, that had been correctly placed by the prehospital team, was removed. We discuss the physiopathological mechanisms leading to death in hanging that is, a blockage of the blood stream to the brain leading to vasogenic and cytotoxic cerebral edema rather than asphyxia or spinal fracture. Our case supports the early removal of neck stabilization devices that can dangerously harm the patient after an attempted suicide by hanging, by increasing intracerebral pressure...
June 2011: Emergency Medicine Journal: EMJ
Bárbara Alicia Novelo-Garza, Gamaliel Benítez-Arvizu, América Peña-Benítez, Jorge Galván-Cervantes, Alejandro Morales-Rojas
BACKGROUND: The American trypanosomiasis is the second parasitic disease in importance after paludism and one of the main mechanism of transmission is a blood transfusion. Our objective was to measure the effect the Tripanosoma Cruzi screening test in blood banks in the Mexican Institute of Social Security. METHODS: Information was obtained from each unit of blood collected. The Tripanosoma cruzi prevalence was calculated only in samples with double reactivity in the blood banks...
March 2010: Revista Médica del Instituto Mexicano del Seguro Social
Valerio Matozzo, Andrea Binelli, Marco Parolini, Lisa Locatello, Maria Gabriella Marin
A multibiomarker approach was used to assess effects of environmental contaminants in the clam Ruditapes philippinarum from the Lagoon of Venice. Bivalves were collected in 8 sites of the Lagoon (Campalto, Marghera, Palude del Monte, Valle di Brenta, Cà Roman, San Servolo, Fusina and Canale Dese), differently influenced by both anthropogenic impact and natural conditions. The following biomarkers were chosen: total haemocyte count and lysozyme activity in cell-free haemolymph as immunomarkers, acetylcholinesterase activity in gills as a biomarker of exposure to neurotoxic compounds, vitellogenin-like protein levels in both digestive gland and cell-free haemolymph as a biomarker of exposure to estrogenic compounds, and survival-in-air widely used to evaluate general stress conditions in clams...
March 2010: Journal of Environmental Monitoring: JEM
Francis Remerand, Jacky Laulan, Claude Couvret, Michel Palud, Annick Baud, Stephane Velut, Marc Laffon, Jacques Fusciardi
BACKGROUND: In reference textbooks describing axillary block, the ulnar, radial, and median nerves are located in a common sheath surrounding the axillary artery. In contrast, the musculocutaneous nerve is described as lying outside this sheath in the coracobrachialis muscle. In a recent case report of ultrasound-guided axillary block, the musculocutaneous nerve was joined to the median nerve outside this muscle. Our study evaluated the prevalence of atypical musculocutaneous nerve localizations during axillary block...
June 1, 2010: Anesthesia and Analgesia
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