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[High-throughput sequencing for infectious disease diagnoses: Example of shotgun metagenomics in central nervous system infections]. Rev Med Interne 2024; 45:166-173. [PMID: 37230923 DOI: 10.1016/j.revmed.2023.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 04/18/2023] [Accepted: 05/08/2023] [Indexed: 05/27/2023]
Abstract
The advent of high-throughput sequencing in clinical microbiology is opening the way to new diagnostic and prognostic approaches in infectious diseases. Detection, identification and characterisation of pathogenic microorganisms are essential steps in diagnosis and implementation of appropriate antimicrobial therapy. However, standard methods of microbiological diagnosis are failing in some cases. In addition, the emergence of new infections, facilitated by international travel and global warming, requires the implementation of innovative diagnostic methods. Among the different strategies used in clinical microbiology and reviewed in this article, shotgun metagenomics is the only technique that allows today a panpathogenic and unbiased detection of all microorganisms potentially responsible for an infectious disease, including those still unknown. The aims of this article are to present the different possible strategies of high-throughput sequencing used in the microbiological diagnosis of infectious diseases and to highlight the diagnostic contribution of shotgun metagenomics in the field of central nervous system infections.
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Application of NRS2002 to detect malnutrition in a tertiary care centre: agreement between nurse and dietician's screening steps and relation with clinical outcomes. Eur J Clin Nutr 2023; 77:692-697. [PMID: 36922651 DOI: 10.1038/s41430-023-01281-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 02/28/2023] [Accepted: 03/02/2023] [Indexed: 03/18/2023]
Abstract
OBJECTIVE To evaluate the agreement between nurse and dietician nutritional risk assessments when using the Nutritional Risk Screening 2002 (NRS2002) protocol, and to explore the relations of falsely labeling patients 'not at risk' for malnutrition and the screening time difference (STD) between nurse and dietician with the length of stay (LoS). METHODS Included are all patients hospitalized in a tertiary care center between January 2017 and December 2019 and screened for malnutrition by both a nurse and a dietician. The inter-rater reliability is evaluated using Cohen's Kappa. The relation between STD and the patient classification (PCET) is assessed by a linear mixed effect model. The relation between the LoS and PCET is evaluated with the Kaplan-Meier method and multivariable Cox regression including STD with pathology group and severity of illness as random effect. RESULTS 9085 patients are assessed by nurse and dietician. 72% of all assessments agree (Kappa = 0.44 [0.43-0.46]). The dietician is involved later for patients falsely labeled 'not at risk' (1.06 [0.92-1.20] days; p < 0.001). Compared to patients where the dietician is involved within 3 days, the LoS is 7.37 days (Hazard Ratio (HR): 0.51 [0.43-0.61]) longer for patients falsely labeled 'not at risk', while only 3.51 days (HR: 0.72 [0.64-0.80]) longer for patients correctly labeled 'at risk'. CONCLUSIONS Agreement of screening for malnutrition between nurses and dieticians is weak. Avoiding falsely labeling patients 'not at risk' should be a main concern upon patient admission as later involvement of dieticians is correlated with a longer LoS.
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Targeting lung macrophages for fungal and parasitic pulmonary infections with innovative amphotericin B dry powder inhalers. Int J Pharm 2023; 635:122788. [PMID: 36863544 DOI: 10.1016/j.ijpharm.2023.122788] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 02/24/2023] [Accepted: 02/25/2023] [Indexed: 03/04/2023]
Abstract
The incidence of fungal pulmonary infections is known to be on the increase, and yet there is an alarming gap in terms of marketed antifungal therapies that are available for pulmonary administration. Amphotericin B (AmB) is a highly efficient broad-spectrum antifungal only marketed as an intravenous formulation. Based on the lack of effective antifungal and antiparasitic pulmonary treatments, the aim of this study was to develop a carbohydrate-based AmB dry powder inhaler (DPI) formulation, prepared by spray drying. Amorphous AmB microparticles were developed by combining 39.7 % AmB with 39.7 % γ-cyclodextrin, 8.1 % mannose and 12.5 % leucine. An increase in the mannose concentration from 8.1 to 29.8 %, led to partial drug crystallisation. Both formulations showed good in vitro lung deposition characteristics (80 % FPF < 5 µm and MMAD < 3 µm) at different air flow rates (60 and 30 L/min) when used with a DPI, but also during nebulisation upon reconstitution in water.
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Glycemic indices at night measured by CGM are predictive for a lower pulmonary function in adults but not in children with cystic fibrosis. J Cyst Fibros 2023; 22:59-65. [PMID: 36068119 DOI: 10.1016/j.jcf.2022.08.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 07/17/2022] [Accepted: 08/24/2022] [Indexed: 11/29/2022]
Abstract
INTRODUCTION In patients with cystic fibrosis (CF), it is still unclear to which extent glucose abnormalities - preceding the diagnosis of cystic fibrosis related diabetes (CFRD) - are associated with pulmonary and nutritional outcome parameters. This study related circadian glycemic patterns to clinical outcomes in a group of CF patients not previously diagnosed with diabetes. METHODS Continuous glucose monitoring (CGM) readings (7 days) of 47 CF patients (26 children, 21 adults) with an impaired oral glucose tolerance test (OGTT) (n = 25) and/or increased Hb1Ac (> 5.5%) were analyzed. Biometric, pulmonary function and clinical parameters were retrospectively collected over a period of 1 year before (T-1) and 1 year after (T + 1) CGM (T0). RESULTS 96% (45/47) of CGM readings showed glucose values > 140 mg/dL ≥ 4.5% of the time and at least one ≥ 200 mg/dL. In the pediatric cohort, no significant associations were found between CGM parameters and pulmonary and nutritional outcome parameters. In the adult cohort, an area under the curve (AUC) > 140 mg/dL and%-time > 140 mg/dL during the night were associated with a lower forced expiratory volume in 1 s (FEV1)% predicted (pp) at time of evaluation but not with change in FEV1pp. CONCLUSION This is the first study reporting the circadian glycemic pattern in children and adults at risk for CFRD. In the adult cohort an association between detection of abnormal glucose exposure and a lower FEV1pp was found. Our results support continued screening for glucose intolerance in patients with CF.
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[Drug-induced acute angle closure glaucoma]. REVUE MEDICALE DE LIEGE 2022; 77:516-520. [PMID: 36082598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Acute angle closure glaucoma is an ophthalmic emergency that can lead to blindness in some cases. The presenting signs are often suggestive, like ocular pain and blurred vision accompanied by headache, nausea and vomiting. These symptoms must be recognized as soon as possible, and the patient must be addressed, urgently, to an ophthalmologist for treatment. Many drugs may lead to an acute angle closure glaucoma in patients with risk factors. This article aims to remind the anatomical risk factors as well as the drugs that may induce an acute angle closure glaucoma. For a better understanding, this article will provide a brief reminder of the pathophysiological mechanism of acute angle closure glaucoma.
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Malnutrition risk and severity: Impact on patient outcomes and financial hospital reimbursement in a tertiary teaching hospital. Clin Nutr ESPEN 2022; 48:386-392. [DOI: 10.1016/j.clnesp.2022.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 12/21/2021] [Accepted: 01/03/2022] [Indexed: 10/19/2022]
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Development of a new sensory analysis methodology for predicting wine aging potential. Application to champagne reserve wines. Food Qual Prefer 2021. [DOI: 10.1016/j.foodqual.2021.104316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Severity of parechovirus infections in infants under 3 months of age and comparison with enterovirus infections: A French retrospective study. Arch Pediatr 2021; 28:291-295. [PMID: 33773893 DOI: 10.1016/j.arcped.2021.02.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 11/20/2020] [Accepted: 02/09/2021] [Indexed: 10/21/2022]
Abstract
While enteroviruses (EV) are a well-recognized cause of aseptic meningitis in children, human parechoviruses (HPeV), especially genotype 3, have been increasingly reported as a frequent cause of sepsis-like illness and meningitis among young infants. The aim of this study was to describe the epidemiological, clinical, and laboratory characteristics of HPeV infections in infants and to compare them with those of well-known EV infections. This monocentric retrospective study was carried out at the pediatric unit of Nantes University Hospital from January 2015 to August 2018. All patients under 18 years of age with diagnosis codes referring to fever, for whom viral infection was suspected and cerebrospinal fluid (CSF) specimens were collected, were included. All CSF specimens were screened by duplex real-time polymerase chain reaction (PCR) assay that allows for the simultaneous detection of EV and HPeV in clinical samples. During the study period, 1373 CSF specimens from patients under 18 were included. A total of 312 CSF samples were positive for HPeV (n=34) or EV (n=278). Among the 34 HPeV-positive patients, 97% (33/34) were under 3 months of age, whereas the rate was 54% (149/278) for EV-positive patients (P<0.001); thus, patients under 3 months of age were defined as the study population for the rest of this work. A review of the medical records was carried out for the positive cases. In this population, the HPeV detection rate was 5.6% versus 25.3% (P<0.001) for EV. All but one of the HPeV samples available for genotyping were HPeV-3. No seasonality was observed for HPeV infections. Length of hospital stay tended to be longer for children infected with HPeV compared with those infected by EV (3 days vs. 2 days, P=0.05). Clinicians reported more severe illness presentations among HPeV-infected infants, with more frequent administration of fluid bolus (P<0.02). Regarding laboratory characteristics, a significant lack of cellular reaction in the CSF (P=0.004) as well as lower C-reactive protein (CRP) levels (P=0.006) and neutrophil counts (P<0.001) were noted for HPeV infections compared with EV infections. Our results confirm the early onset of HPeV infections (more than 95% of patients aged under 3 months). The clinical presentation and laboratory characteristics of the two infections was similar. However, some higher clinical severity criteria and a lack of CSF pleocytosis were regularly observed in patients with HPeV infections. Considering the significant proportion (5.6%; 95% CI, 3.7-7.5) of all CSF samples in our series, HPeV detection should be systematically included in the microbiological diagnosis of febrile children under 3 months of age.
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Compared presentation, management and long-term outcomes after acute myocardial infraction in men and women <50 years of age. The FAST-MI programme. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
The number of young women suffering acute myocardial infarction (AMI) is increasing. There are conflicting results on the prognostic impact of gender in young patients with AMI. The aim of the present study was to assess in-hospital and 5-year outcomes in men and women ≤50 years old admitted for AMI and participating in the FAST-MI programme.
Methods
FAST-MI consists in one-month nationwide French surveys of patients admitted for a recent AMI, repeated every 5 years since 2005. We used the 2005, 2010 and 2015 data with up to 5-year follow-up, to describe baseline characteristics and outcomes according to gender in young patients. Of 13,130 patients included, 1,912 were ≤50 years old (335 women, 17.5%).
Results
Men and women had a similar age (44±5 years), BMI, current smoking (72% vs 75%), diabetes, family history, prior history of CVD, GRACE score (104±22 vs 106±23), and LVEF (54±10%). LDL at admission was lower in women (127±46 vs 138±46 mg/dl). Women had a higher admission heart rate (81±19 vs 78±17 BPM) and lower systolic blood pressure (133±26 vs 136±25 mm Hg). Presenting AMI was STEMI in 63% in women vs 68% in men (P=0.08).
All in-hospital complications except reinfarction (1.8 vs 0.6%, p<0.03) were similar in women and men; in-hospital death was 1.5% vs 0.8%, P=0.20. Coronary angiography was performed slightly less often (97.6% vs 99.0%, P=0.047) and more women had non-significant coronary artery disease (CAD) (13% vs 6%, P<0.001); PCI was less often used (74% vs 85.5%, P<0.001). At discharge, ESC guidelines-recommended medical treatment was less often prescribed in women (41% vs 53%, P<0.001), even in patients with significant CAD (46% vs 55%, P=0.004).
Kaplan-Meier 5-year survival did not differ in women (94.7%) and men (95.2%), P=0.56 (Figure). The respective figures for hospital survivors were 96.1% and 96.0% (HR 1.00, 95% CI 0.52–1.91; HR adjusted on age, type of MI, previous history of CAD, presence of significant CAD, LVEF, Killip class and appropriate medications at discharge: 0.99, 95% CI 0.51–0.92). Similar results were found for the combined end-point of death, AMI or stroke.
Conclusion
There were more similarities than differences between women and men who sustained an AMI at age ≤50 years. Women had lower LDL-c, lower haemoglobin, higher heart rate and lower blood pressure on admission. Non-significant CAD was more frequently found in women, who were less often treated with PCI and recommended medications at discharge. Five-year outcomes, however, did not differ according to gender.
Five-year mortality
Funding Acknowledgement
Type of funding source: Private grant(s) and/or Sponsorship. Main funding source(s): Pfizer, MSD, AstraZeneca
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Les corticoïdes altèrent la réponse des macrophages alvéolaires contre Lichtheimia corymbifera dans un modèle murin ex vivo. Med Mal Infect 2020. [DOI: 10.1016/j.medmal.2020.06.248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Sodium Status and Replacement in Children and Adults Living with Cystic Fibrosis: A Narrative Review. J Acad Nutr Diet 2020; 120:1517-1529. [PMID: 32680818 DOI: 10.1016/j.jand.2020.05.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 05/08/2020] [Accepted: 05/08/2020] [Indexed: 11/30/2022]
Abstract
Patients with cystic fibrosis (CF) have a two- to four-fold higher sodium chloride sweat content compared with healthy controls. This high sweat salt loss increases the risk for electrolyte disturbances, associated with subacute or chronic complications. Sodium status therefore needs to be adequately monitored and salt intake adjusted to individual needs. The lack of current evidence to formulate specific recommendations and assess sodium status is reflected in a variability of recommendations in international guidelines. This narrative review presents an overview of the current evidence. Infants with CF in particular are at risk for severe sodium deficiency, potentially leading to metabolic alkalosis due to low intake and high sweat losses. More research on the assessment of sodium status and efficacy of sodium chloride supplements in the population of patients with CF, especially given the changing era of CF transmembrane conductance regulator modulatory treatment, is warranted.
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Real-Life Safety and Effectiveness of Lumacaftor–Ivacaftor in Patients with Cystic Fibrosis. Am J Respir Crit Care Med 2020; 201:188-197. [DOI: 10.1164/rccm.201906-1227oc] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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13
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Suction Blisters Technique in Amikacin Diffusion through
Interstitial Fluid in Cystic Fibrosis. ACTA ACUST UNITED AC 2019. [DOI: 10.1159/000480552] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Augmentation des cinétiques de diffusion des composés de la pellicule des raisins rouge et blanc par des champs électriques pulsés. BIO WEB OF CONFERENCES 2019. [DOI: 10.1051/bioconf/20191202008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
In recent years, Pulsed Electric Field (PEF) technology has been developing in laboratories and is starting to be established in the industry, mainly in the agri-food sector. So far all experimentations on the use of PEF in the wine industry was carried out at the laboratory scale on some kilograms of grapes, or liters of wines. Since 2015, we are studying the interest of the use of PEF on grape polyphenols extraction on a semi-industrial scale of 2 tons per hour. The first tests were carried out by comparing the PEF technology to a control, and a conventional thermovinification with liquid phase vinification and traditional vinification with different fermentation times. The first results obtained are encouraging. Vinified in the liquid phase, the grapes treated with PEF give wines with a color intensity of 20 to 30% higher than the control and a higher TPI of 7 to 17%. In the liquid phase, the treatment of the harvest by PEF does not make it possible to obtain the extraction level of the thermovinification. After a short maceration of 3 days, the polyphenols extraction level is similar to the thermovinification, and greater after 14 days, and so is the color (respectively +12 and +16%). No change in IBMP content was observed. The wines resulting from treatment of the harvest by PEF do not have the aromatic profile of thermovinification wines. The PEF has a fruity character comparable to the control and accentuates the aromatic characteristics of the grape variety. The wine are often judged less aggressive and astringent by reinforcing the perception of sweetness and full bodied. A few tests in white grape harvest by PEF, shows a significant gain of the thiols and terpenols.
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Pharmacokinetics of colistin in a 8-year-old child with acute bone infection. Clin Microbiol Infect 2018; 24:1025-1026. [PMID: 29723571 DOI: 10.1016/j.cmi.2018.04.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 04/15/2018] [Accepted: 04/21/2018] [Indexed: 10/17/2022]
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The role of infection models and PK/PD modelling for optimising care of critically ill patients with severe infections. Intensive Care Med 2017; 43:1021-1032. [PMID: 28409203 DOI: 10.1007/s00134-017-4780-6] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 03/18/2017] [Indexed: 01/14/2023]
Abstract
Critically ill patients with severe infections are at high risk of suboptimal antimicrobial dosing. The pharmacokinetics (PK) and pharmacodynamics (PD) of antimicrobials in these patients differ significantly from the patient groups from whose data the conventional dosing regimens were developed. Use of such regimens often results in inadequate antimicrobial concentrations at the site of infection and is associated with poor patient outcomes. In this article, we describe the potential of in vitro and in vivo infection models, clinical pharmacokinetic data and pharmacokinetic/pharmacodynamic models to guide the design of more effective antimicrobial dosing regimens. Individualised dosing, based on population PK models and patient factors (e.g. renal function and weight) known to influence antimicrobial PK, increases the probability of achieving therapeutic drug exposures while at the same time avoiding toxic concentrations. When therapeutic drug monitoring (TDM) is applied, early dose adaptation to the needs of the individual patient is possible. TDM is likely to be of particular importance for infected critically ill patients, where profound PK changes are present and prompt appropriate antibiotic therapy is crucial. In the light of the continued high mortality rates in critically ill patients with severe infections, a paradigm shift to refined dosing strategies for antimicrobials is warranted to enhance the probability of achieving drug concentrations that increase the likelihood of clinical success.
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The Biodiversity of the Microbiota Producing Heat-Resistant Enzymes Responsible for Spoilage in Processed Bovine Milk and Dairy Products. Front Microbiol 2017; 8:302. [PMID: 28298906 PMCID: PMC5331058 DOI: 10.3389/fmicb.2017.00302] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 02/14/2017] [Indexed: 12/28/2022] Open
Abstract
Raw bovine milk is highly nutritious as well as pH-neutral, providing the ideal conditions for microbial growth. The microbiota of raw milk is diverse and originates from several sources of contamination including the external udder surface, milking equipment, air, water, feed, grass, feces, and soil. Many bacterial and fungal species can be found in raw milk. The autochthonous microbiota of raw milk immediately after milking generally comprises lactic acid bacteria such as Lactococcus, Lactobacillus, Streptococcus, and Leuconostoc species, which are technologically important for the dairy industry, although they do occasionally cause spoilage of dairy products. Differences in milking practices and storage conditions on each continent, country and region result in variable microbial population structures in raw milk. Raw milk is usually stored at cold temperatures, e.g., about 4°C before processing to reduce the growth of most bacteria. However, psychrotrophic bacteria can proliferate and contribute to spoilage of ultra-high temperature (UHT) treated and sterilized milk and other dairy products with a long shelf life due to their ability to produce extracellular heat resistant enzymes such as peptidases and lipases. Worldwide, species of Pseudomonas, with the ability to produce these spoilage enzymes, are the most common contaminants isolated from cold raw milk although other genera such as Serratia are also reported as important milk spoilers, while for others more research is needed on the heat resistance of the spoilage enzymes produced. The residual activity of extracellular enzymes after high heat treatment may lead to technological problems (off flavors, physico-chemical instability) during the shelf life of milk and dairy products. This review covers the contamination patterns of cold raw milk in several parts of the world, the growth potential of psychrotrophic bacteria, their ability to produce extracellular heat-resistant enzymes and the consequences for dairy products with a long shelf life. This problem is of increasing importance because of the large worldwide trade in fluid milk and milk powder.
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[Post-licensure safety surveillance for Prevenar 13 ® in France]. Arch Pediatr 2017; 24:439-444. [PMID: 28242152 PMCID: PMC7133411 DOI: 10.1016/j.arcped.2017.01.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 12/28/2016] [Accepted: 01/18/2017] [Indexed: 11/29/2022]
Abstract
Objectif Décrire le profil et l’incidence des effets indésirables (EI) notifiés avec Prévenar 13® depuis sa commercialisation. Méthode Analyse de tous les effets indésirables notifiés en France entre le 1er juillet 2010 et le 31 octobre 2014. Résultats En 4 ans et 4 mois, 376 déclarations d’EI dont 252 graves (67 %) ont été enregistrées, parmi lesquels 83 étaient survenus au décours d’une injection de Prévenar 13® seul. Il s’agissait de 39 EI cutanés et 16 neurologiques, de 4 malaises, de 9 fièvres et d’une thrombopénie. L’évolution a été favorable pour 88 % des EI graves et aucun des 12 décès rapportés n’a été attribué à un EI de la vaccination. Cinquante-neuf cas d’infection pneumococcique faisant suspecter une inefficacité vaccinale ont été rapportés, mais seuls 16 ont pu être considérés comme un réel échec de la vaccination. Discussion Dans de nombreux cas, le Prévenar 13® avait été administré le même jour qu’un vaccin hexavalent avec lequel l’EI rapporté était attendu. Le profil des EI rapportés au décours de l’injection de Prévenar 13® seul est similaire à celui observé avec le Prévenar 7®. Conclusion Le suivi de pharmacovigilance de Prévenar 13® mis en place en France depuis sa commercialisation en 2010 et qui porte à ce jour sur plus de 11 800 000 doses distribuées n’a pas mis en évidence de fait nouveau de sécurité.
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Destabilization and off-flavors generated by Pseudomonas proteases during or after UHT-processing of milk. INTERNATIONAL JOURNAL OF FOOD CONTAMINATION 2017. [DOI: 10.1186/s40550-016-0047-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Relationship between adaptation and cardiovascular response to tonic cold and heat pain Adaptability to tonic pain and cardiovascular responses. Eur J Pain 2015; 20:731-41. [PMID: 26491836 DOI: 10.1002/ejp.799] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/27/2015] [Indexed: 11/11/2022]
Abstract
BACKGROUND The mechanisms of adaptation to tonic pain are not elucidated. We hypothesized that the adaptability to tonic pain is related to the cardiovascular system. METHODS Twenty-six subjects received over two sessions in a random order: tonic cold (7 ± 0.2 °C) and heat pain (47.5 ± 0.5 °C) on the hand for 5 min. Pain intensity, blood pressure (BP), and heart rate (HR) were continuously monitored. RESULTS Pain experience during the heat (HIT) and cold (CIT) immersion tests exhibited different average time courses, being approximated with a linear and cubic function, respectively. In each test, two groups of participants could be identified based on the time course of their tonic thermal pain: one-third of participants were pain adaptive and two-thirds non adaptive. The adaptive group exhibited higher initial pain, lower last pain, and shorter latency to peak pain than the non-adaptive one. Interestingly, some participants were adaptive to both pain stimuli, most were not. HIT as well as CIT produced a stable elevation of BP. However, BP was higher during CIT than HIT (p = 0.034). HR was also increased during CIT and HIT, but the two tests differed with respect to the time course of responses. Finally, the intensity and time course of pain rating to both HIT and CIT correlated with neither BP nor HR responses. CONCLUSIONS These results suggest that individual sensitivity and adaptability to tonic thermal pain is related to the intensity of initial pain rating and the latency to peak pain but not to cardiovascular responses.
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P-334 – Évaluation des pratiques d'annonce et du vécu parental du diagnostic de mucoviscidose en région Centre depuis la généralisation du dépistage néonatal. Arch Pediatr 2015. [DOI: 10.1016/s0929-693x(15)30514-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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[Prophylaxis of mother-to-infant transmission of hepatitis B virus]. Arch Pediatr 2015; 22:427-34. [PMID: 25725975 DOI: 10.1016/j.arcped.2014.12.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 09/19/2014] [Accepted: 12/28/2014] [Indexed: 02/07/2023]
Abstract
Hepatitis B virus (HBV) infection is a worldwide health problem and mother-to-infant (or vertical) transmission is the main source of chronic infection in Asian countries. Administration of HBV vaccine to the infant at birth, with or without concurrent specific immunoglobulin, efficiently prevents such transmission (efficacy>90%). In France, testing Ag HBs is mandatory during pregnancy in all pregnant women. Infants born to Ag HBs-positive mothers should receive the first injection of vaccine and one injection of specific immunoglobulins at birth. Vaccination should thereafter be completed according to a three-injection protocol (at 1 and 6 months) or a four-injection protocol in case of prematurity. Failure of immunoprophylaxis can be observed when the viral load is very high in the mother during pregnancy (HBV-DNA levels>200,000 IU/mL). In such women, antiviral therapy with analogs (lamivudine, telbivudine, or tenofovir) during the third trimester of pregnancy and 1 month post-partum, in association with accurate immunoprophylaxis, may prevent vertical transmission. The optimal cut-off value of maternal viral load for antiviral therapy in late pregnancy and post-partum to prevent vertical transmission is still under debate.
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Effets placebo et nocebo dans le traitement de la douleur : leur présence est inévitable mais leurs actions sont modulables. ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s11724-014-0403-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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TIME, a Phase 2b/3 Study Evaluating TG4010 in Combination With First-Line Therapy in Advanced Non-Small Cell Lung Cancer (NSCLC): Phase 2b Results. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.08.211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Recommendations on practice of conditioned pain modulation (CPM) testing. Eur J Pain 2014; 19:805-6. [DOI: 10.1002/ejp.605] [Citation(s) in RCA: 272] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2014] [Indexed: 11/10/2022]
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EVALUATING THE EFFECTIVENESS OF A WEB-BASED WEIGHT LOSS PROGRAM AMONG CANADIAN MILITARY PERSONNEL. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.281] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Cyclic lipodepsipeptides produced by Pseudomonas spp. naturally present in raw milk induce inhibitory effects on microbiological inhibitor assays for antibiotic residue screening. PLoS One 2014; 9:e98266. [PMID: 24853676 PMCID: PMC4031126 DOI: 10.1371/journal.pone.0098266] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 04/30/2014] [Indexed: 11/23/2022] Open
Abstract
Two Pseudomonas strains, identified as closely related to Pseudomonas tolaasii, were isolated from milk of a farm with frequent false-positive Delvotest results for screening putative antibiotic residues in raw milk executed as part of the regulatory quality programme. Growth at 5 to 7°C of these isolates in milk resulted in high lipolysis and the production of bacterial inhibitors. The two main bacterial inhibitors have a molecular weight of 1168.7 and 1140.7 Da respectively, are heat-tolerant and inhibit Geobacillus stearothermophilus var. calidolactis, the test strain of most of the commercially available microbiological inhibitor tests for screening of antibiotic residues in milk. Furthermore, these bacterial inhibitors show antimicrobial activity against Staphylococcus aureus, Bacillus cereus and B. subtilis and also interfere negatively with yoghurt production. Following their isolation and purification with RP-HPLC, the inhibitors were identified by NMR analysis as cyclic lipodepsipeptides of the viscosin group. Our findings bring to light a new challenge for quality control in the dairy industry. By prolonging the refrigerated storage of raw milk, the keeping quality of milk is influenced by growth and metabolic activities of psychrotrophic bacteria such as pseudomonads. Besides an increased risk of possible spoilage of long shelf-life milk, the production at low temperature of natural bacterial inhibitors may also result in false-positive results for antibiotic residue screening tests based on microbial inhibitor assays thus leading to undue production loss.
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[Catch-up vaccination of worldwide newcoming (adopted, refugee or migrant) children in France]. Arch Pediatr 2014; 21:329-34. [PMID: 24512806 DOI: 10.1016/j.arcped.2013.12.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Revised: 11/15/2013] [Accepted: 12/19/2013] [Indexed: 11/16/2022]
Abstract
In France, international adoption includes around to 90,000 children since 1980 and near 300,000 immigrant children were counted in 2008. This population is heterogeneous, according to age and country of origin, and its large number. It is not easy to completely and surely assess the vaccine status of the child. Due to a great variability of individual situations, it is not possible to have systematic and unchangeable rules. This article aims to give an update of catch-up vaccination of internationally adopted or refugee or migrant children in France. The vaccination status of a child who recently arrived in France is complex and has to be adapted to his country of origin. Some of them were never vaccinated whereas the vaccine status of others is uncertain or unknown. Three parameters have to be considered: the age of the child, the country of origin, and sometimes serology in the case of doubts of his vaccine status. Catch-up vaccination of foreign children has to be adapted to French vaccine recommendations, as a reference, and to vaccines already administered to the child.
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Efficacy of Transcutaneous Electrical Nerve Stimulation for Osteoarthritis of the Lower Extremities: a Meta-analysis. PHYSICAL THERAPY REVIEWS 2013. [DOI: 10.1179/108331904225007069] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Transcutaneous electrical nerve stimulation and conditioned pain modulation influence the perception of pain in humans. Eur J Pain 2013; 17:1539-46. [PMID: 23650092 DOI: 10.1002/j.1532-2149.2013.00328.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2013] [Indexed: 01/27/2023]
Abstract
BACKGROUND Research in animal models suggests that transcutaneous electrical nerve stimulation (TENS) and conditioned pain modulation (CPM) produce analgesia via two different supraspinal pathways. No known studies have examined whether TENS and CPM applied simultaneously in human subjects will enhance the analgesic effect of either treatment alone. The purpose of the current study was to investigate whether the simultaneous application of TENS and CPM will enhance the analgesic effect of that produced by either treatment alone. METHODS Sixty healthy adults were randomly allocated into two groups: (1) CPM plus active TENS; (2) CPM plus placebo TENS. Pain threshold for heat (HPT) and pressure (PPT) were recorded from subject's left forearm at baseline, during CPM, during active or placebo TENS, and during CPM plus active or placebo TENS. CPM was induced by placing the subjects' contralateral arm in a hot water bath (46.5 °C) for 2 min. TENS (100 μs, 100 Hz) was applied to the forearm for 20 min at a strong but comfortable intensity. RESULTS Active TENS alone increased PPT (but not HPT) more than placebo TENS alone (p = 0.011). Combining CPM and active TENS did not significantly increase PPT (p = 0.232) or HPT (p = 0.423) beyond CPM plus placebo TENS. There was a significant positive association between PPT during CPM and during active TENS (r(2) = 0.46; p = 0.003). CONCLUSIONS TENS application increases PPT; however, combining CPM and TENS does not increase the CPM's hypoalgesic response. CPM effect on PPT is associated with the effects of TENS on PPT.
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Brain microdialysis distribution study of cefotaxime in a patient with traumatic brain injury. Br J Anaesth 2013; 109:830-1. [PMID: 23066005 DOI: 10.1093/bja/aes369] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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G.O.3 A human skeletal muscle interactome centered on proteins involved in muscular dystrophies. Neuromuscul Disord 2012. [DOI: 10.1016/j.nmd.2012.06.234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Biofilm Formation in Milk Production and Processing Environments; Influence on Milk Quality and Safety. Compr Rev Food Sci Food Saf 2012. [DOI: 10.1111/j.1541-4337.2011.00183.x] [Citation(s) in RCA: 202] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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[Current events in vaccination]. Arch Pediatr 2011; 18:1234-46. [PMID: 22019286 DOI: 10.1016/j.arcped.2011.07.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
The annual meeting of the Infectious Disease Society of America (IDSA) ; which brought together nearly 5000 participants from over 80 countries in Vancouver, Canada, October 21 to 24, 2010 ; provided a review of the influenza (H1N1) 2009 pandemic, evaluated vaccination programmes and presented new vaccines under development. With 12,500 deaths in the United States in 2009-2010, the influenza (H1N1) 2009 pandemic was actually less deadly than the seasonal flu. But it essentially hit the young, and the toll calculated in years of life lost is high. The monovalent vaccines, whether live attenuated or inactivated with or without adjuvants, were well tolerated in toddlers, children, adults and pregnant women. In order to protect infants against pertussis, family members are urged to get their booster shots. The introduction of the 13-valent Pneumococcal conjugated vaccine in the beginning of 2010 may solve - but for how long ? - the problem of serotype replacement, responsible for the re-increasing incidence of invasive Pneumococcal infections observed in countries that had introduced the 7-valent vaccine. The efficacy of a rotavirus vaccine has been confirmed, with a reduction in hospitalization in the United States and a reduction in gastroenteritis-related deaths in Mexico. In the United States, vaccination of pre-adolescents against human papillomavirus (HPV) has not resulted in any specific undesirable effects. Routine vaccination against chicken pox, recommended since 1995, has not had an impact on the evolution of the incidence of shingles. Vaccination against shingles, recommended in the United States for subjects 60 years and over, shows an effectiveness of 55 %, according to a cohort study (Kaiser Permanente, Southern California). Although some propose the development of personalized vaccines according to individual genetic characteristics, the priority remains with increasing vaccine coverage, not only in infants but also in adults and the elderly. Vaccine calendars that cover a whole lifetime should be promoted, since the vaccination of adults and seniors is a determining factor of good health at all ages.
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CL118 - Vaccination anti papillomavirus humain : pratiques actuelles et réticences en région Centre. Arch Pediatr 2010. [DOI: 10.1016/s0929-693x(10)70334-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Corrigendum to “Selective determination of the heat-resistant proteolytic activity of bacterial origin in raw milk” [Int Dairy J 18 (2008) 514–519]. Int Dairy J 2010. [DOI: 10.1016/j.idairyj.2010.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Removal of colistin during intermittent haemodialysis in two critically ill patients. J Antimicrob Chemother 2010; 65:1836-7. [DOI: 10.1093/jac/dkq185] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Psychological effects of false-positive results in cystic fibrosis newborn screening: a two-year follow-up. J Pediatr 2010; 156:771-6, 776.e1. [PMID: 20171652 DOI: 10.1016/j.jpeds.2009.12.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2009] [Revised: 08/28/2009] [Accepted: 12/02/2009] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To evaluate parental stress after a false-positive result at the time of the cystic fibrosis (CF) newborn screening (NBS), attributable to heterozygotism or persistent hypertrypsinemia. STUDY DESIGN A prospective study was conducted in 86 French families at 3, 12, and 24 months after NBS. A psychologist conducted interviews with a questionnaire, the Perceived Stress Scale, and the Vulnerable Child Scale. RESULTS Overall, 96.5% of parents said they had been anxious at the time of the sweat test. However, 86% felt entirely reassured 3 months after the test. The mean Perceived Stress Scale score did not differ from that observed in the French population. Mean Vulnerable Child Scale scores were high, associated with a low Parental Perception of Child Vulnerability. These results did not differ significantly at 1 and 2 years. In total, 86% to 100% of families no longer worried about CF. All parents stated that they would have the test performed again for another child. CONCLUSIONS CF NBS can lead to false-positive results, causing parental anxiety, which quickly decreases after a sweat test performed soon after the phone call.
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Microdialysis study of meropenem cerebral distribution in patients with acute brain injury. Crit Care 2010. [PMCID: PMC2934228 DOI: 10.1186/cc8290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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The Modified – Modified Schober Test for range of motion assessment of lumbar flexion in patients with low back pain: A study of criterion validity, intra- and inter-rater reliability and minimum metrically detectable change. Disabil Rehabil 2009; 27:553-9. [PMID: 16019864 DOI: 10.1080/09638280400018411] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
PURPOSE The objective was to estimate the psychometric properties of the Modified-Modified Schober Test (MMST). DESIGN This study compared range of motion measurements of lumbar flexion in low back pain (LBP) patients using the MMST with measurements calculated on X-rays as the gold standard, and compared the measurements taken by two independent examiners. METHOD This study was conducted at the main hospital in the Outaouais area, Quebéc, Canada. Thirty-one subjects with LBP from private and public clinics participated in the study. After a warm-up session, measurements with the MMST were taken in neutral position and an X-ray technician took an exposure in the same position. RESULTS Pearson's correlation test (r) between measurements made with the MMST and the gold standard, intra-class correlation coefficient (ICC), minimum metrically detectable change (MMDC) and confidence interval (CI) were used to analyze the data. The MMST demonstrated moderate validity (r=0.67; 95%CI 0.44-0.84), excellent reliability (intra: ICC=0.95; 95%CI 0.89-0.97; inter: ICC=0.91; 95%CI 0.83-0.96) and a MMDC of 1 cm. CONCLUSIONS In our sample of LBP patients, the MMST showed moderate validity but excellent reliability and MMDC.
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Heterogeneity of heat-resistant proteases from milk Pseudomonas species. Int J Food Microbiol 2009; 133:68-77. [PMID: 19481283 DOI: 10.1016/j.ijfoodmicro.2009.04.027] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2009] [Revised: 04/27/2009] [Accepted: 04/29/2009] [Indexed: 11/16/2022]
Abstract
Pseudomonas fragi, Pseudomonas lundensis and members of the Pseudomonas fluorescens group may spoil Ultra High Temperature (UHT) treated milk and dairy products, due to the production of heat-stable proteases in the cold chain of raw milk. Since the aprX gene codes for a heat-resistant protease in P. fluorescens, the presence of this gene has also been investigated in other members of the genus. For this purpose an aprX-screening PCR test has been developed. Twenty-nine representatives of important milk Pseudomonas species and thirty-five reference strains were screened. In 42 out of 55 investigated Pseudomonas strains, the aprX gene was detected, which proves the potential of the aprX-PCR test as a screening tool for potentially proteolytic Pseudomonas strains in milk samples. An extensive study of the obtained aprX-sequences on the DNA and the amino acid level, however, revealed a large heterogeneity within the investigated milk isolates. Although this heterogeneity sets limitations to a general detection method for all proteolytic Pseudomonas strains in milk, it offers a great potential for the development of a multiplex PCR screening test targeting individual aprX-genes. Furthermore, our data illustrated the potential use of the aprX gene as a taxonomic marker, which may help in resolving the current taxonomic deadlock in the P. fluorescens group.
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Seasonal influence on heat-resistant proteolytic capacity of Pseudomonas lundensis and Pseudomonas fragi, predominant milk spoilers isolated from Belgian raw milk samples. Environ Microbiol 2009; 11:467-82. [PMID: 19196277 DOI: 10.1111/j.1462-2920.2008.01785.x] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Psychrotolerant bacteria and their heat-resistant proteases play a major role in the spoilage of UHT-processed dairy products. Summer and winter raw milk samples were screened for the presence of such bacteria. One hundred and three proteolytic psychrotolerant bacteria were isolated, characterized by API tests, rep-PCR fingerprint analysis and evaluated for heat-resistant protease production. Twenty-nine strains (representing 79% of the complete collection) were further identified by 16S rRNA gene sequencing, rpoB gene sequencing and DNA-DNA hybridizations. A seasonal inter- and intra-species influence on milk spoilage capacity (e.g. growth rate and/or protease production) was demonstrated. Moreover, this polyphasic approach led to the identification of Pseudomonas fragi and Pseudomonas lundensis (representing 53% of all isolates) as predominant producers of heat-resistant proteases in raw milk. The role of Pseudomonas fluorescens, historically reported as important milk spoiler, could not unequivocally be established. The use of more reliable identification techniques and further revision of the taxonomy of P. fluorescens will probably result in a different perspective on its role in the milk spoilage issue.
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G.P.14.04 Interactions of myospryn with M-band titin and calpain 3. Neuromuscul Disord 2008. [DOI: 10.1016/j.nmd.2008.06.318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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SFP-13 – Pathologie osseuse et rhumatologie – Facteurs de risque de déminéralisation osseuse en période pubertaire dans la mucoviscidose. Arch Pediatr 2008. [DOI: 10.1016/s0929-693x(08)72081-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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(115) Involvement of sex hormones in a mice model of neuropathic pain. THE JOURNAL OF PAIN 2008. [DOI: 10.1016/j.jpain.2008.01.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Endogenous pain modulation during the formalin test in estrogen receptor beta knockout mice. Neuroscience 2007; 150:675-80. [DOI: 10.1016/j.neuroscience.2007.09.037] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2007] [Revised: 09/15/2007] [Accepted: 10/15/2007] [Indexed: 10/22/2022]
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Stability of antibiotics in portable pumps used for bronchial superinfection: guidelines for prescribers. Pediatrics 2007; 120:1255-9. [PMID: 18055674 DOI: 10.1542/peds.2007-0630] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVES The aims of this study were (1) to collect data on the stability of antibiotics in portable pumps for the treatment of bronchial superinfection in patients with cystic fibrosis and (2) to provide guidelines for prescribers. METHODS The stability over 72 hours, in portable pumps stored at 35 degrees C, of piperacillin plus tazobactam, ticarcillin plus clavulanic acid, cefsulodin, cefepime, and aztreonam was checked at 3 different concentrations. Stability was assessed through visual examination, pH measurements, and direct measurements of drug concentrations by using high-performance liquid chromatography. All parameters were measured at time 0, time 0 plus 24 hours, and time 0 plus 72 hours. RESULTS Degradation rates for penicillin plus beta-lactamase inhibitor combinations remained <10% at time 0 plus 24 hours for all drugs, but the rate for piperacillin reached 12% for the highest concentration tested. The cephalosporins cefepime and cefsulodin had significant respective degradation rates of 18% and 28% at time 0 plus 24 hours and 60% and 68.5% at time 0 plus 72 hours, which were linked to the storage temperature. Aztreonam seemed to be stable over 72 hours. CONCLUSIONS This work provides data on drug stability that were lacking, allowing recommendations for physicians to optimize the safety and efficacy of antibiotic treatment of patients with cystic fibrosis. Piperacillin plus tazobactam and ticarcillin plus clavulanic acid infusions must be limited to 24 hours, and patients receiving cefepime or cefsulodin must wear a cold pack close to the ambulatory drug-delivery device during the infusion.
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