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https://www.readbyqxmd.com/read/28148854/preparation-of-slice-cultures-from-rodent-hippocampus
#1
Christine E Gee, Iris Ohmert, J Simon Wiegert, Thomas G Oertner
This protocol describes the preparation of hippocampal slice cultures from rat or mouse pups using sterile conditions that do not require the use of antibiotics or antimycotics. Combining very good optical and electrophysiological accessibility with a lifetime approaching that of the intact animal, many fundamental questions about synaptic plasticity and long-term dynamics of network connectivity can be addressed with this preparation.
February 1, 2017: Cold Spring Harbor Protocols
https://www.readbyqxmd.com/read/28116455/-dermatophyte-current-situation
#2
REVIEW
P Mayser
Currently, a mycid is defined as hyperergic reaction that develops from a remote localized infection and in which no fungus is detectable. Criteria for a mycid caused by a dermatophyte (dermatophytid) are (1) proven dermatophytosis elsewhere, (2) no evidence for fungal elements in the lesions of the -id reaction, (3) initially often worsening of the lesions under therapy with highly potent systemic antimycotics, and (4) clearing after the dermatophytosis has been treated sufficiently. The most common dermatophytid is a symmetrical dyshidrotic mycid of the hands in connection with an often highly inflammatory mycotic infection of the feet especially by Trichophyton mentagrophytes...
January 23, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28086796/prophylaxis-of-post-erc-infectious-complications-in-patients-with-biliary-obstruction-by-adding-antimicrobial-agents-into-erc-contrast-media-a-single-center-retrospective-study
#3
Hella Wobser, Agnetha Gunesch, Frank Klebl
BACKGROUND: Patients with biliary obstruction are at high risk to develop septic complications after endoscopic retrograde cholangiography (ERC). We evaluated the benefits of local application of antimicrobial agents into ERC contrast media in preventing post-ERC infectious complications in a high-risk study population. METHODS: Patients undergoing ERC at our tertiary referral center were retrospectively included. Addition of vancomycin, gentamicin and fluconazol into ERC contrast media was evaluated in a case-control design...
January 13, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28053148/inhibition-of-dermatophytes-by-photodynamic-treatment-with-curcumin
#4
Jochen Brasch, Sandra Freitag-Wolf, Vera Beck-Jendroschek, Martin Huber
Treatment of dermatophytoses with currently available antimycotic agents is often tedious and sometimes unsatisfactory. A search for better therapeutic methods-ideally with an immediate fungicidal effect-has, among others, lead to photodynamic procedures as a promising alternative, and recently curcumin was found to be a suitable agent for this application. In this study the effect of photodynamic treatment with curcumin on dermatophytes was tested in vitro Wells of microtiter plates were filled with conidia of Trichophyton rubrum, Trichophyton interdigitale, Trichophyton terrestre, Microsporum canis, Microsporum gypseum and Epidermophyton floccosum in buffer...
January 3, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28045862/comparing-azole-plasma-trough-levels-in-lung-transplant-recipients-percentage-of-therapeutic-levels-and-intra-patient-variability
#5
Daniela Stelzer, Alexandra Weber, Franziska Ihle, Sandhya Matthes, Felix Ceelen, Gregor Zimmermann, Nikolaus Kneidinger, Rene Schramm, Hauke Winter, Michael Zoller, Michael Vogeser, Juergen Behr, Claus Neurohr
BACKGROUND: This study compared therapeutic azole plasma trough levels (APL) of the azole antimycotics itraconazole (ITR), voriconazole (VOR), and posaconazole (POS) in lung transplant recipients and analyzed the influencing factors. In addition, intra-patient variability for each azole was determined. METHODS: From July 2012 to July 2015, 806 APL of ITR, VOR, POS liquid (POS-Liq), and POS tablets (POS-Tab) were measured in 173 patients of the Munich Lung Transplantation (LTx) Program...
December 29, 2016: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28040409/antifungal-effects-of-phytocompounds-on-candida-species-alone-and-in-combination-with-fluconazole
#6
REVIEW
Mengjiao Lu, Tao Li, Jianjian Wan, Xiuyun Li, Lei Yuan, Shujuan Sun
Invasive fungal infections caused by Candida spp. remain the most predominant nosocomial fungal infections. Owing to the increased use of antifungal agents, resistance of Candida spp. to antimycotics has emerged frequently, especially to fluconazole (FLC). To cope with this issue, new efforts have been dedicated to discovering novel antimycotics or new agents that can enhance the susceptibility of Candida spp. to existing antimycotics. The secondary metabolites of plants represent a large library of compounds that are important sources for new drugs or compounds suitable for further modification...
December 15, 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27915307/diversity-and-antifungal-drug-susceptibility-of-cryptococcus-isolates-in-thailand
#7
Navaporn Worasilchai, Marut Tangwattanachuleeporn, Kornvalee Meesilpavikkai, Claudia Folba, Mourine Kangogo, Uwe Groß, Michael Weig, Oliver Bader, Ariya Chindamporn
Yeasts of the Cryptococcus species complex are the causative agent of cryptococcosis, especially in human immunodeficiency virus (HIV) positive individuals. Cerebral or disseminated cryptococcosis has a very high mortality rate worldwide, including in Thailand. Additionally, an increasing rate of antifungal drug resistant cryptococcal isolates has been reported in several neighboring countries, complicating therapeutic approaches. To understand the situation of this infection in Thailand, we retrospectively investigated the molecular epidemiology and antifungal drug resistance in a collection of 74 clinical, 52 environmental and two veterinary isolates using the URA5-RFLP for typing and the EUCAST guideline for susceptibility testing...
December 3, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27901310/topical-antimycotics-for-oral-candidiasis-in-warfarin-users
#8
Maja Hellfritzsch, Anton Pottegård, Andreas James Thestrup Pedersen, Alaa Burghle, Fatima Mouaanaki, Jesper Hallas, Erik Lerkevang Grove, Per Damkier
Treatment of oral candidiasis in warfarin users may be complicated by drug-drug interactions between warfarin and topically applied antimycotics. However, current knowledge of these putative drug-drug interactions is merely based on case series. We therefore performed a cohort cross-over study with the objective to evaluate the potential drug-drug interactions between warfarin and miconazole oral gel or nystatin oral solution. The cohort consisted of individuals using warfarin in the period of 1998-2012 (n≈7,400)...
November 30, 2016: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27871726/identification-and-determination-of-chlorinated-azoles-in-sludge-using-liquid-chromatography-quadrupole-time-of-flight-and-triple-quadrupole-mass-spectrometry-platforms
#9
G Castro, M Roca, I Rodríguez, M Ramil, R Cela
Four antimycotic drugs (tioconazole, TCZ; sertaconazole, STZ; fenticonazole, FTZ and itraconazole, ITZ) and the fungicide imazalil (IMZ) are determined in sludge from sewage treatment plants (STPs) following a bottom-up analytical strategy. First, sludge extracts, obtained under different sample preparation conditions, were analyzed by liquid chromatography (LC) quadrupole time-of-flight (QTOF) mass spectrometry (MS). A non-target search strategy, combined with the use of the chlorine mass filter, permitted to detect several chlorinated pollutants including the above referred azoles, which either had not been previously reported (TCZ, STZ, FTZ and ITZ), or scarcely investigated (IMZ), in this environmental compartment...
December 9, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27870529/infections-and-exposure-to-anti-infective-agents-and-the-risk-of-severe-mental-disorders-a-nationwide-study
#10
O Köhler, L Petersen, O Mors, P B Mortensen, R H Yolken, C Gasse, M E Benros
OBJECTIVE: Severe infections are associated with increased risks of mental disorders; however, this is the first large-scale study investigating whether infections treated with anti-infective agents in the primary care setting increase the risks of schizophrenia and affective disorders. METHOD: We identified all individuals born in Denmark 1985-2002 (N = 1 015 447) and studied the association between infections treated with anti-infective agents and the subsequent risk of schizophrenia and affective disorders during 1995-2013...
February 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/27825527/sensing-metabolites-for-the-monitoring-of-tissue-engineered-construct-cellularity-in-perfusion-bioreactors
#11
Aaron D Simmons, Cortes Williams, Antoine Degoix, Vassilios I Sikavitsas
As the field of tissue engineering progresses ever-further toward realizing clinical implementation of tissue-engineered constructs for wound regeneration, perhaps the most significant hurdle remains the establishment of non-destructive means for real-time in vitro assessment. In order to address this barrier, the study presented herein established the viability of the development of correlations between metabolic rates (specifically oxygen uptake, glucose consumption, and lactate production) and the cellularity of tissue-engineered cultures comprised of rat mesenchymal stem cells dynamically seeded on 85% porous nonwoven spunbonded poly(l-lactic acid) fiber mesh scaffolds...
April 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27817919/incidence-and-outcomes-of-positive-donor-corneoscleral-rim-fungal-cultures-after-keratoplasty
#12
Jesse M Vislisel, Kenneth M Goins, Michael D Wagoner, Gregory A Schmidt, Benjamin T Aldrich, Jessica M Skeie, Cynthia R Reed, M Bridget Zimmerman, Mark A Greiner
PURPOSE: To determine the incidence of positive corneoscleral donor rim fungal cultures after keratoplasty and to report clinical outcomes of grafts with culture-positive donor rims. DESIGN: Retrospective cohort study. PARTICIPANTS: Consecutive donor corneas and keratoplasty recipients at a single tertiary referral center over 20 years. METHODS: Patient charts were reviewed to determine the incidence of positive donor rim fungal cultures and clinical outcomes of all grafts using contaminated tissue...
January 2017: Ophthalmology
https://www.readbyqxmd.com/read/27817136/management-of-destructive-candida-albicans-spondylodiscitis-of-the-cervical-spine-a-systematic-analysis-of-literature-illustrated-by-an-unusual-case
#13
REVIEW
Josef Stolberg-Stolberg, Dagmar Horn, Steffen Roßlenbroich, Oliver Riesenbeck, Stefanie Kampmeier, Michael Mohr, Michael J Raschke, René Hartensuer
PURPOSE: Candida induced spondylodiscitis of the cervical spine in immunocompetent patients is an extremely rare infectious complication. Since clinical symptoms might be nonspecific, therapeutic latency can lead to permanent spinal cord damage, sepsis and fatal complications. Surgical debridement is strongly recommended but there is no standard antimycotic regime for postsurgical treatment. This paper summarizes available data and demonstrates another successfully treated case. METHODS: The systematic analysis was performed according to the preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines...
November 5, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27784222/endophytic-peptides-a-source-of-therapeutic-agents
#14
Keerthi Kumari Chikkode Narayana, Jamuna Bai Aswathanarayan, Ravishankar Rai Vittal
Endophytic peptides (EPPs) have been considered as potential therapeutic sources of future antibiotics because of their broad-spectrum activities and different mechanisms of action compared to the conventional antibiotics. The world human population is increasingly facing different types of health issues. For instance, emerging wide array of the drug-resistant pathogens is a health concern. Research on bioactive agents and other natural products of microbes is essential to combat emerging antimicrobial resistance...
October 25, 2016: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/27778229/production-of-endothelial-progenitor-cells-from-skin-fibroblasts-by-direct-reprogramming-for-clinical-usages
#15
Phuc Van Pham, Ngoc Bich Vu, Thuy Thi-Thanh Dao, Ha Thi-Ngan Le, Lan Thi Phi, Ngoc Kim Phan
Endothelial progenitor cells (EPCs) play an important role in angiogenesis. However, they exist in limited numbers in the human body. This study was aimed to produce EPCs, for autologous transplantation, using direct reprogramming of skin fibroblasts under GMP-compliant conditions. Fibroblasts were collected and cultured from the skin in DMEM/F12 medium supplemented with 5% activated platelet-rich plasma and 1% antibiotic-antimycotic solution. They were then transfected with mRNA ETV2 and incubated in culture medium under hypoxia (5% oxygen) for 14 d...
October 24, 2016: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/27770606/simultaneous-formulation-of-terbinafine-and-salvia-monoterpenes-into-chitosan-hydrogel-with-testing-biological-activity-of-corresponding-dialysates-against-c-albicans-yeast
#16
Alexandra Kodadová, Zuzana Vitková, Jarmila Oremusová, Petra Herdová, Anton Ťažký, Peter Mikuš
This work was aimed at a progressive formulation of drugs into chitosan hydrogels. It was taken into consideration that a therapeutic effect of the drugs could be enhanced by a combination of natural compounds with chemical (synthetic) drugs. In this work, sage essential oil (SEO) bicyclic monoterpenes with antiflogistic, antiseptic, and antimycotic properties were combined with terbinafine (TB) having a strong antimycotic activity. Detail optimization of the hydrogel-drugs composition (SEO monoterpenes, TB, chitosan, and polysorbate 80 concentrations), based on permeation experiment and UV absorption/GC-MS analysis of permeated species (eucalyptol, camphor, borneol, thujone, TB) in dialysates, was made...
January 1, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/27769470/a-validated-1-h-nmr-method-for-quantitative-analysis-of-%C3%AE-bisabolol-in-essential-oils-of-eremanthus-erythropappus
#17
Cristiane I Cerceau, Luiz C A Barbosa, Elson S Alvarenga, Antonio G Ferreira, Sérgio S Thomasi
α-Bisabolol is a natural terpene produced by Eremanthus erythropappus and is widely used in cosmetics and pharmaceuticals due to its anti-inflammatory, antibacterial and antimycotic properties. Due to these applications, a control of composition and authenticity of commercial oils rich in this terpene is required, resulting in a demand for new methodologies for quality control. In this work a rapid and efficient method for quantification of α-bisabolol in the essential oil of E. erythropappus (candeia) using (1)H NMR was developed, validated and compared to gas chromatography (GC) method...
December 1, 2016: Talanta
https://www.readbyqxmd.com/read/27766140/a-complex-game-of-hide-and-seek-the-search-for-new-antifungals
#18
Huy X Ngo, Sylvie Garneau-Tsodikova, Keith D Green
Fungal infections directly affect millions of people each year. In addition to the invasive fungal infections of humans, the plants and animals that comprise our primary food source are also susceptible to diseases caused by these eukaryotic microbes. The need for antifungals, not only for our medical needs, but also for use in agriculture and livestock causes a high demand for novel antimycotics. Herein, we provide an overview of the most commonly used antifungals in medicine and agriculture. We also present a summary of the recent progress (from 2010-2016) in the discovery/development of new agents against fungal strains of medical/agricultural relevance, as well as information related to their biological activity, their mode(s) of action, and their mechanism(s) of resistance...
July 1, 2016: MedChemComm
https://www.readbyqxmd.com/read/27750101/development-and-characterization-of-the-voriconazole-loaded-lipid-based-nanoparticles
#19
Petra Füredi, Zsófia Edit Pápay, Kristóf Kovács, Borbála Dalmadi Kiss, Krisztina Ludányi, István Antal, Imre Klebovich
The number of topical fungal infections is growing, mostly owing to immunosuppressive therapy. Several topical fungal infections, such as eye mycoses, can be treated by local administration of antimycotic drugs. One major group of the antifungal agents is triazole, such as voriconazole (VCZ), which is used as the first line treatment of aspergillosis. A disadvantage of VCZ is its low water solubility making the drug difficult to administer in a liquid preparation. The lipid-based nanoparticles (LNP) have attracted increasing attention due to their advantageous properties...
January 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27743771/anticandidal-synergistic-activity-of-green-tea-catechins-antimycotics-and-copper-sulphate-as-a-mean-of-combinational-drug-therapy-against-candidiasis
#20
J Anand, N Rai
The present investigation aims at evaluating synergistic herbal based composition of purified catechins with fluconazole, amphotericin B and copper sulphate against Candida albicans (MTCC 3017) and Candida glabrata (MTCC 3019). The catechins were isolated from green tea leaves of Assam, Himachal Pradesh and Uttarakhand regions of India. The synergistic activity of combinations against Candida species was assessed following microdilution checkerboard technique and time kill assay. The inhibitory action of most significant combination on treated Candida cells was assessed by scanning electron microscopy...
October 12, 2016: Journal de Mycologie Médicale
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