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https://www.readbyqxmd.com/read/29433693/pharmacocin%C3%A3-tique-et-pharmacodynamie-des-antibiotiques-est-ce-diff%C3%A3-rent-en-n%C3%A3-onatologie
#1
R Cohen, M Tauzin, S Béchet, L Caeymaex
Pharmacokinetic and pharmacodynamics (PK/PD) data on antimicrobial agents enable physicians to optimize their use in clinical practice. Neonates exhibit a large inter-individual variability in antibiotic levels due to immaturity and maturational changes in the first weeks of life. This variability explains the large therapeutic margins needed to ensure an optimal efficacy of antibiotics. These pharmacokinetic characteristics have to be taken into account when treating neonatal sepsis, along with pharmacodynamics targets for each antibiotic and notably minimal inhibitory concentration for usual causes of neonatal bacterial infections (group B streptococcus and Escherichia coli)...
December 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29423562/polynucleotide-phosphorylase-is-involved-in-the-control-of-lipopeptide-fengycin-production-in-bacillus-subtilis
#2
Yazen Yaseen, Awa Diop, Frédérique Gancel, Max Béchet, Philippe Jacques, Djamel Drider
Bacillus subtilis is a wealth source of lipopeptide molecules such as iturins, surfactins and fengycins or plipastatins endowed with a range of biological activities. These molecules, designated secondary metabolites, are synthesized via non-ribosomal peptides synthesis (NRPS) machinery and are most often subjected to a complex regulation with involvement of several regulatory factors. To gain novel insights on mechanism regulating fengycin production, we investigated the effect of the fascinating polynucleotide phosphorylase (PNPase), as well as the effect of lipopeptide surfactin...
February 8, 2018: Archives of Microbiology
https://www.readbyqxmd.com/read/29370234/febrile-urinary-tract-infection-due-to-extended-spectrum-beta-lactamase-producing-enterobacteriaceae-in-children-a-french-prospective-multicenter-study
#3
MULTICENTER STUDY
Fouad Madhi, Camille Jung, Sandra Timsit, Corinne Levy, Sandra Biscardi, Mathie Lorrot, Emmanuel Grimprel, Laure Hees, Irina Craiu, Aurelien Galerne, François Dubos, Emmanuel Cixous, Véronique Hentgen, Stéphane Béchet, Stéphane Bonacorsi, Robert Cohen
OBJECTIVES: To assess the management of febrile urinary-tract infection (FUTIs) due to extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) in children, the Pediatric Infectious Diseases Group of the French Pediatric Society set up an active surveillance network in pediatric centers across France in 2014. MATERIALS AND METHODS: We prospectively analysed data from 2014 to 2016 for all children < 18 years old who received antibiotic treatment for FUTI due to ESBL-E in 24 pediatric centers...
2018: PloS One
https://www.readbyqxmd.com/read/29320883/the-prevalence-of-oral-stage-dysphagia-in-adults-presenting-with-temporomandibular-disorders-a-systematic-review-and-meta-analysis
#4
Órla Gilheaney, Sibylle Béchet, Patrick Kerr, Ciaran Kenny, Shauna Smith, Rita Kouider, Rachel Kidd, Margaret Walshe
OBJECTIVE: Temporomandibular disorders (TMDs) are the most commonly experienced non-dental orofacial pain disorders, with pain and dysfunction potentially resulting in oral stage dysphagia (OD). However, limited research has been conducted on this condition, with potential negative effects on clinical practice. Therefore, the aim of this study was to determine the prevalence of OD in adults presenting with TMDs, diagnosed as per the Research Diagnostic Criteria for Temporomandibular Disorders or the Diagnostic Criteria for Temporomandibular Disorders protocols...
January 11, 2018: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29227464/antibiotic-resistance-of-potential-otopathogens-isolated-from-nasopharyngeal-flora-of-children-with-acute-otitis-media-before-during-and-after-pneumococcal-conjugate-vaccines-implementation
#5
Alexis Rybak, Corinne Levy, Stéphane Bonacorsi, Stéphane Béchet, François Vié le Sage, Annie Elbez, Emmanuelle Varon, Robert Cohen
BACKGROUND: To re-evaluate antibiotic strategies for acute otitis media (AOM) in young children, we analyzed the trends of nasopharyngeal carriage and antibiotic resistance of Streptococcus pneumoniae (Sp), Haemophilus influenzae (Hi) and Moraxella catarrhalis (Mc) isolated from young children with AOM during a 16-year period. METHODS: This cross-sectional study analyzed from 2001 to 2016 the nasopharyngeal carriage of Sp, Hi and Mc of young children with AOM. Medical history and physical findings were reported...
March 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29197039/correction-to-insights-on-dispersal-and-recruitment-paradigms-sex-and-age-dependent-variations-in-a-nomadic-breeder
#6
Paul Acker, Charlotte Francesiaz, Arnaud Béchet, Nicolas Sadoul, Catherine M Lessells, Agata S Pijl, Aurélien Besnard
Unfortunately, Table 1 was incorrectly.
January 2018: Oecologia
https://www.readbyqxmd.com/read/29190241/aflibercept-after-ranibizumab-intravitreal-injections-in-exudative-age-related-macular-degeneration-the-ari2-study
#7
Rocio Blanco-Garavito, Camille Jung, Joel Uzzan, Maddalena Quaranta-ElMaftouhi, Florence Coscas, Jose Sahel, Jean-Francois Korobelnik, Stéphane Béchet, Giuseppe Querques, Eric H Souied
PURPOSE: To analyze the efficacy of aflibercept switch treatment for regression of pigment epithelial detachment (PED) in patients previously treated with ranibizumab. METHODS: Multicenter, prospective, nonrandomized clinical trial. One eye of patients presenting neovascular age-related macular degeneration with PED of more than 250 μm in height, with persistent fluid, was included. Patients had to have received at least six ranibizumab intravitreal injections during the 12 months before enrollment...
December 21, 2017: Retina
https://www.readbyqxmd.com/read/29093413/effects-of-the-concomitant-use-of-low-dose-clarithromycin-with-an-anti-tnf%C3%AE-antibody-in-a-patient-with-intestinal-beh%C3%A3-et-disease
#8
Junichi Iwamoto, Masashi Murakami, Naoki Konishi, Tadakuni Monma, Hajime Ueda, Shoichiro Yara, Takeshi Hirayama, Tadashi Ikegami, Akira Honda, Yasushi Matsuzaki
A 66-year-old Japanese male with a history of Behçet disease exhibited oral and genital ulcers, and a round deep ileocecal ulcer. He was treated with a combination of mesalazine and 20 mg/day of prednisolone (PSL), but was only partially responsive to PSL and we were not able to reduce the steroid dosage. Adalimumab was also administered. However, the ulcer was not completely responsive, and weaning the patient off PSL remained impossible. In contrast, additional treatment with clarithromycin completely healed the refractory active ulcer and left only a scar...
February 1, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29063401/biofilm-formation-is-determinant-in-tomato-rhizosphere-colonization-by-bacillus-velezensis-fzb42
#9
Ameen Al-Ali, Jovana Deravel, François Krier, Max Béchet, Marc Ongena, Philippe Jacques
In this work, the behavior in tomato rhizosphere of Bacillus velezensis FZB42 was analyzed taking into account the surfactin production, the use of tomato roots exudate as substrates, and the biofilm formation. B. velezensis FZB42 and B. amyloliquefaciens S499 have a similar capability to colonize tomato rhizosphere. Little difference in this colonization was observed with surfactin non producing B. velezensis FZB42 mutant strains. B. velezensis is able to grow in the presence of root exudate and used preferentially sucrose, maltose, glutamic, and malic acids as carbon sources...
October 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29063200/insights-on-dispersal-and-recruitment-paradigms-sex-and-age-dependent-variations-in-a-nomadic-breeder
#10
Paul Acker, Charlotte Francesiaz, Arnaud Béchet, Nicolas Sadoul, Catherine M Lessells, Agata S Pijl, Aurélien Besnard
Sex- and age-dependence in recruitment and dispersal are often explained by costs arising from competition for holding a breeding territory over the years-a typical feature of species living in stable habitats. For instance, long-lived birds with male territoriality often exhibit large variation in recruitment age and higher dispersal in females and young individuals. As a corollary, we expected that species with ephemeral habitat suitability, and hence nomadic breeding, would show weak age- and sex-dependence in dispersal and low variation in recruitment age, because territory ownership is not maintained over the years...
January 2018: Oecologia
https://www.readbyqxmd.com/read/29045606/clinical-and-laboratory-features-of-group-b-streptococcus-meningitis-in-infants-and-newborns-study-of-848-cases-in-france-2001-2014
#11
Anne-Sophie Romain, Robert Cohen, Céline Plainvert, Caroline Joubrel, Stéphane Béchet, Amélie Perret, Asmaa Tazi, Claire Poyart, Corinne Levy
Background: Group B Streptococcus (GBS) disease is the leading cause of neonatal bacterial meningitis despite women receiving an intravenous antibiotic prophylaxis during labor. We aimed to describe GBS meningitis in children <1 year old in France. Methods: Clinical and biological data of GBS meningitis gathered by the Association Clinique et Thérapeutique Infantile du Val de Marne (ACTIV) were analyzed. The cases were classified by age: 0-6 days old (early-onset disease [EOD]), newborns and infants 7-89 days old (late-onset disease [LOD]: LOD1, 7-26 days; LOD2, 27-89 days), and infants aged 3 months to 1 year (infant disease)...
March 5, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29034643/epididymo-orchitis-in-bechet-s-disease-a-review-of-the-wide-spectrum-of-the-disease
#12
Meletios A Kanakis, Aristeides G Vaiopoulos, George A Vaiopoulos, Phaedon G Kaklamanis
 Behçet's disease is a chronic, recurrent, inflammatory disorder characterized by orogenital ulcers and skin lesions; serious manifestations also include ocular, large vessel, gastrointestinal and neurological involvement. Genetic and unknown environmental factors modify the wide clinical spectrum of the disease. During the long clinical course of the disease, testicular and epididymal involvement has been reported, with scrotal pain and swelling being the most common symptoms. In this review, we discuss the various aspects of epididymo-orchitis in Behcet's disease patients, and we evaluate the diagnostic approaches as well as the empirical therapeutic modalities of this entity...
August 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28977551/aagmarker-1-0-a-resource-of-serological-autoantigen-biomarkers-for-clinical-diagnosis-and-prognosis-of-various-human-diseases
#13
Jianbo Pan, Sheng Liu, Heng Zhu, Jiang Qian
Autoantibodies are produced to target an individual's own antigens (e.g. proteins). They can trigger autoimmune responses and inflammation, and thus, cause many types of diseases. Many high-throughput autoantibody profiling projects have been reported for unbiased identification of serological autoantigen-based biomarkers. However, a lack of centralized data portal for these published assays has been a major obstacle to further data mining and cross-evaluate the quality of these datasets generated from different diseases...
January 4, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/28974408/whooping-cough-surveillance-in-france-in-pediatric-private-practice-in-2006-2015
#14
Nicole Guiso, Corinne Levy, Olivier Romain, Sophie Guillot, Andreas Werner, Marie Charlotte Rondeau, Stéphane Béchet, Robert Cohen
BACKGROUND: Increasing incidence of whooping cough (pertussis) has been reported in many countries, attributed to a switch from whole-cell pertussis-containing vaccine (wPV) to acellular PV (aPV) and circulation of the pertactin non-producing Bordetella pertussis. The present study aimed to estimate the duration of immunity conferred by PVs in children in France with data from an ongoing pediatric ambulatory surveillance of pertussis. METHODS: A total of 64 pediatricians throughout France enrolled children with suspected pertussis...
October 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28948446/contribution-of-atmospheric-dry-deposition-to-stormwater-loads-for-pahs-and-trace-metals-in-a-small-and-highly-trafficked-urban-road-catchment
#15
Saja Al Ali, Xavier Debade, Ghassan Chebbo, Béatrice Béchet, Céline Bonhomme
A deep understanding of pollutant buildup and wash-off is essential for accurate urban stormwater quality modeling and for the development of stormwater management practices, knowing the potential adverse impacts of runoff pollution on receiving waters. In the context of quantifying the contribution of airborne pollutants to the contamination of stormwater runoff and assessing the need of developing an integrated AIR-WATER modeling chain, loads of polycyclic aromatic hydrocarbons (PAHs) and metal trace elements (MTEs) are calculated in atmospheric dry deposits, stormwater runoff, and surface dust stock within a small yet highly trafficked urban road catchment (~ 30,000 vehicles per day) near Paris...
December 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28936054/patterns-of-intermediate-uveitis-in-children-presenting-at-a-tertiary-eye-care-center-in-south-india
#16
Radha Annamalai, Jyotirmay Biswas
PURPOSE: To study the patterns of intermediate uveitis in the pediatric age group in a referral eye care center in South India. METHODS: This is a study of twenty consecutive patients under 16 years of age with intermediate uveitis, conducted at a tertiary referral center. Numerous variables were assessed, including age and gender distribution, laboratory data, the presence of systemic diseases, onset and course of ocular inflammation, clinical features, their complications, therapeutic strategies with their outcomes, remission, final visual acuity (VA), and characteristics associated with poor visual outcome...
April 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28933970/the-importance-of-calprotectin-levels-in-the-obstructive-sleep-apnea-syndrome-severity
#17
Mümtaz Taner Torun, Ethem Ünver, Yusuf Yalçın, Lutfi Kanmaz, Ender Seçkin
BACKGROUND: Obstructive sleep apnea syndrome (OSAS) is mostly seen in adult populations. It is known that increased levels of several inflammatory mediators play roles in OSAS and related comorbidities. Calprotectin is an inflammatory mediator that increases in some diseases such as Bechet's syndrome, bowel diseases and cardiovascular and cerebrovascular diseases. AIMS: The purpose of this study was to investigate whether calprotectin can be used as a biomarker in OSAS by determining the relation between the serum calprotectin levels and OSAS severity...
September 21, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28811201/the-unmet-need-in-rheumatology-reports-from-the-targeted-therapies-meeting-2017
#18
Kevin L Winthrop, Vibeke Strand, Désirée van der Heijde, Philip Mease, Mary Crow, Michael Weinblatt, Joan Bathon, Gerd R Burmester, Maxime Dougados, Johnathan Kay, Xavier Mariette, Ronald Van Vollenhoven, Joachim Sieper, Fritz Melchers, Ferdinand C Breedfeld, Joachim Kalden, Josef S Smolen, Daniel E Furst
The 19th annual international Targeted Therapies meeting brought together over 100 leading basic scientists and clinical researchers from around the world in the field of immunology, molecular biology and rheumatology and other specialties. During the meeting, breakout sessions were held consisting of 5 disease-specific groups with 20-40 experts assigned to each group based on clinical or scientific expertise. Specific groups included: rheumatoid arthritis, psoriatic arthritis, axial spondyloarthritis, systemic lupus erythematous, connective tissue diseases (e...
January 2018: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28735377/study-of-the-correlation-between-fengycin-promoter-expression-and-its-production-by-bacillus-subtilis-under-different-culture-conditions-and-the-impact-on-surfactin-production
#19
Yazen Yaseen, Frédérique Gancel, Max Béchet, Djamel Drider, Philippe Jacques
This work aimed to rely expression of the fengycin promoter to fengycin production under different culture conditions. To this end, Bacillus subtilis BBG208, derived from BBG21, which is a fengycin overproducing strain carrying the green fluorescent protein (GFP) under the control of fengycin promoter, was used to assess the effects of different carbon and nitrogen sources on surfactin and fengycin production and the fengycin promoter expression. The data showed that some carbon sources oriented synthesis of one family of lipopeptides, while most of the nitrogen sources allowed high co-production of fengycin and surfactin...
July 22, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/28594822/hybridization-and-polyploidy-enable-genomic-plasticity-without-sex-in-the-most-devastating-plant-parasitic-nematodes
#20
Romain Blanc-Mathieu, Laetitia Perfus-Barbeoch, Jean-Marc Aury, Martine Da Rocha, Jérôme Gouzy, Erika Sallet, Cristina Martin-Jimenez, Marc Bailly-Bechet, Philippe Castagnone-Sereno, Jean-François Flot, Djampa K Kozlowski, Julie Cazareth, Arnaud Couloux, Corinne Da Silva, Julie Guy, Yu-Jin Kim-Jo, Corinne Rancurel, Thomas Schiex, Pierre Abad, Patrick Wincker, Etienne G J Danchin
Root-knot nematodes (genus Meloidogyne) exhibit a diversity of reproductive modes ranging from obligatory sexual to fully asexual reproduction. Intriguingly, the most widespread and devastating species to global agriculture are those that reproduce asexually, without meiosis. To disentangle this surprising parasitic success despite the absence of sex and genetic exchanges, we have sequenced and assembled the genomes of three obligatory ameiotic and asexual Meloidogyne. We have compared them to those of relatives able to perform meiosis and sexual reproduction...
June 2017: PLoS Genetics
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