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https://www.readbyqxmd.com/read/27904074/prophylactic-effect-of-lactobacillus-pentosus-strain-s-pt84-on-candida-infection-and-gastric-inflammation-in-a-murine-gastrointestinal-candidiasis-model-errata
#1
Toshihiro Maekawa, A Sanae Ishijima, Masayuki Ida, Takayuki Izumo, Yoshiko Ono, Hiroshi Shibata, Shigeru Abe
We previously showed a prophylactic effect of Lactobacillus pentosus strain S-PT84 against oral candidiasis in mice. In the present study, we evaluated the protective effect of S-PT84 against Candida infection of the gastrointestinal tract. As the first step, we used an in vitro assay to compare the inhibitory effects of several lactobacilli (S-PT84 and Lactobacillus pentosus type strain JCM1558(T), Lactobacillus gasseri type strain JCM1131(T) and Lactobacillus casei type strain JCM1134(T)) on mycelial growth of Candida albicans...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904056/prophylactic-effect-of-lactobacillus-pentosus-strain-s-pt84-on-candida-infection-and-gastric-inflammation-in-a-murine-gastrointestinal-candidiasis-model
#2
Toshihiro Maekawa, A Sanae Ishijima, Masayuki Ida, Takayuki Izumo, Yoshiko Ono, Hiroshi Shibata, Shigeru Abe
We previously showed a prophylactic effect of Lactobacillus pentosus strain S-PT84 against oral candidiasis in mice. In the present study, we evaluated the protective effect of S-PT84 against Candida infection of the gastrointestinal tract. As the first step, we used an in vitro assay to compare the inhibitory effects of several lactobacilli (S-PT84 and Lactobacillus pentosus type strain JCM1558(T), Lactobacillus gasseri type strain JCM1131(T) and Lactobacillus casei type strain JCM1134(T)) on mycelial growth of Candida albicans...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27902377/comparison-of-susceptibility-patterns-using-commercially-available-susceptibility-testing-methods-performed-on-prevalent-candida-species
#3
David Cretella, Katie E Barber, S Travis King, Kayla R Stover
The rising rates of invasive fungal infections caused by non-albicans Candida and the increasing emergence of antifungal resistance complicate the management of invasive candidiasis. Accurate and timely antifungal susceptibility testing is critical to targeting antifungal therapy. The purpose of this study was to compare commercially available susceptibility testing methods using prospectively collected Candida isolates. Susceptibility testing was performed on 74 Candida isolates collected from July 2014-March 2015 using broth microdilution (BMD) according to the Clinical and Laboratory Standards Institute (CLSI) method, Etest, Vitek2 (YS-05), and Sensititre...
November 1, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27896598/bacterial-and-fungal-biofilm-formation-on-anodized-titanium-alloys-with-fluorine
#4
Concepcion Perez-Jorge, Maria-Angeles Arenas, Ana Conde, Juan-Manuel Hernández-Lopez, Juan-Jose de Damborenea, Steve Fisher, Alessandra M Agostinho Hunt, Jaime Esteban, Garth James
Orthopaedic device-related infections are closely linked to biofilm formation on the surfaces of these devices. Several modified titanium (Ti-6Al-4V) surfaces doped with fluorine were studied in order to evaluate the influence of these modifications on biofilm formation by Gram-positive and Gram-negative bacteria as well as a yeast. The biofilm studies were performed according to the standard test method approved by ASTM (Designation: E2196-12) using the Rotating Disk Reactor. Four types of Ti-6Al-4V samples were tested; chemically polished (CP), two types of nanostructures containing fluorine, nanoporous (NP) and nanotubular (NT), and non-nanostructured fluorine containing samples (fluoride barrier layers, FBL)...
January 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/27888010/indole-3-acetic-acid-diol-based-ph-sensitive-biological-macromolecule-for-antibacterial-antifungal-and-antioxidant-applications
#5
Chitra G, Franklin D S, Sudarsan S, Sakthivel M, Guhanathan S
Indole-3-acetic acid (IAA)/diol based pH-sensitive biopolymeric hydrogels with tunable biological properties (cytotoxicity, anti-oxidant and anti-fungal) have been synthesized via condensation polymerization. The present study focused on the synthesis of heterocyclic hydrogel using citric acid (CA), indole-3-acetic acid (IAA) and diethylene glycol (DEG) by condensation polymerization. The hydrogels revealed a pH-sensitive swelling behaviour, with increased swelling in acidic media, then turns to decreased the swelling in the basic media...
November 22, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27876784/expression-and-characterization-of-a-talaromyces-marneffei-active-phospholipase-b-expressed-in-a-pichia-pastoris-expression-system
#6
Yan He, Linghua Li, Fengyu Hu, Wanshan Chen, Huali Lei, Xiejie Chen, Weiping Cai, Xiaoping Tang
Phospholipase B is a virulence factor for several clinically important pathogenic fungi, including Candida albicans, Cryptococcus neoformans and Aspergillus fumigatus, but its role in the thermally dimorphic fungus Talaromyces marneffei remains unclear. Here, we provide the first report of the expression of a novel phospholipase gene, designated TmPlb1, from T. marneffei in the eukaryotic expression system of Pichia pastoris GS115. Sensitive real-time quantitative reverse-transcription PCR (qRT-PCR) demonstrated that the expression of TmPlb1 increased 1...
November 23, 2016: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/27871802/probiotic-normalization-of-candida-albicans-in-schizophrenia-a-randomized-placebo-controlled-longitudinal-pilot-study
#7
Emily G Severance, Kristin L Gressitt, Cassie R Stallings, Emily Katsafanas, Lucy A Schweinfurth, Christina L G Savage, Maria B Adamos, Kevin M Sweeney, Andrea E Origoni, Sunil Khushalani, Faith B Dickerson, Robert H Yolken
The molecules and pathways of the gut-brain axis represent new targets for developing methods to diagnose and treat psychiatric disorders. Manipulation of the gut microbiome with probiotics may be a therapeutic strategy with the potential to relieve gastrointestinal (GI) comorbidities and improve psychiatric symptoms. Candida albicans and Saccharomyces cerevisiae, commensal yeast species, can be imbalanced in the unhealthy human microbiome, and these fungal exposures were previously found elevated in schizophrenia...
November 18, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27868254/extensive-functional-redundancy-in-the-regulation-of-candida-albicans-drug-resistance-and-morphogenesis-by-lysine-deacetylases-hos2-hda1-rpd3-and-rpd31
#8
Xinliu Li, Nicole Robbins, Teresa R O'Meara, Leah E Cowen
Current treatment efforts for fungal infections are hampered by the limited availability of antifungal drugs and by the emergence of drug resistance. A powerful strategy to enhance the efficacy of antifungal drugs is to inhibit the molecular chaperone Hsp90. Hsp90 governs drug resistance, morphogenesis, and virulence in a leading fungal pathogen of humans, Candida albicans. Our previous work with Saccharomyces cerevisiae established acetylation as a novel mechanism of posttranslational control of Hsp90 function in fungi...
November 21, 2016: Molecular Microbiology
https://www.readbyqxmd.com/read/27865660/vitamin-d3-a-new-drug-against-candida-albicans
#9
D Bouzid, S Merouki, M Bachiri, S E Ailane, M M Zerroug
OBJECTIVE: In this study, we demonstrate that vitamin D3 had fungicidal activity against Candida albicans. MATERIAL AND METHODS: The susceptibility of the yeast strain to the vitamin D3 was investigated by the antimicrobial screening using modified agar diffusion method, minimum fungistatic concentrations (MFCs) and minimum fungicide concentrations (MFCC) of the vitamin D3 were determined by the broth dilution method. RESULTS: The antifungal activity indicted that 100μg/ml of vitamin D3 had a power inhibition in the growth of C...
November 16, 2016: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/27858242/epidemiology-and-reporting-of-candidaemia-in-belgium-a-multi-centre-study
#10
C Trouvé, S Blot, M-P Hayette, S Jonckheere, S Patteet, H Rodriguez-Villalobos, F Symoens, E Van Wijngaerden, K Lagrou
The primary aim of this study was to collect national epidemiological data on candidaemia and to determine the reporting time of species identification and antifungal susceptibility in clinical practice. During a 1-year period (March 2013 until February 2014), every first Candida isolate from each episode of candidaemia was included prospectively from 30 Belgian hospitals. Identification and susceptibility testing were performed according to local procedures and isolates were sent to the National Reference Center for Mycosis...
November 17, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27856170/antifungal-activity-of-acetone-extracts-from-punica-granatum-l-quercus-suber-l-%C3%A2-and-vicia-faba-l
#11
S Akroum
Human and animal mycoses become more frequent and more resistant to traditional treatments. In this work, we tested the in vitro antifungal activity of acetonic extracts of Punica granatum L., Quercus suber L. and Vicia faba L. against seven pathogen fungi and the in vivo antifungal activity against Candida albicans and Trichophyton mentagrophytes. The phytochemical screening was also carried out and showed that the extracts contained mainly proanthocyanidins. Other polyphenols were also present but in low quantity...
November 14, 2016: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/27852744/integrin-cross-talk-regulates-the-human-neutrophil-response-to-fungal-%C3%AE-glucan-in-the-context-of-the-extracellular-matrix-a-prominent-role-for-vla3-in-the-antifungal-response
#12
Courtney M Johnson, Xian M O'Brien, Angel S Byrd, Valentina E Parisi, Alex J Loosely, Wei Li, Hadley Witt, Hafeez M Faridi, Craig T Lefort, Vineet Gupta, Minsoo Kim, Jonathan S Reichner
Candida albicans infection produces elongated hyphae resistant to phagocytic clearance compelling alternative neutrophil effector mechanisms to destroy these physically large microbial structures. Additionally, all tissue-based neutrophilic responses to fungal infections necessitate contact with the extracellular matrix (ECM). Neutrophils undergo a rapid, ECM-dependent mechanism of homotypic aggregation and NETosis in response to C. albicans mediated by the β2 integrin, complement receptor 3 (CR3, CD11b/CD18, αMβ2)...
November 16, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27844206/ex-vivo-rabbit-and-human-corneas-as-models-for-bacterial-and-fungal-keratitis
#13
Abigail Pinnock, Nagaveni Shivshetty, Sanhita Roy, Stephen Rimmer, Ian Douglas, Sheila MacNeil, Prashant Garg
PURPOSE: In the study of microbial keratitis, in vivo animal models often require a large number of animals, and in vitro monolayer cell culture does not maintain the three-dimensional structure of the tissues or cell-to-cell communication of in vivo models. Here, we propose reproducible ex vivo models of single- and dual-infection keratitis as an alternative to in vivo and in vitro models. METHODS: Excised rabbit and human corneoscleral rims maintained in organ culture were infected using 10(8) cells of Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans or Fusarium solani...
November 14, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27842800/anti-candida-albicans-natural-products-sources-of-new-antifungal-drugs-a-review
#14
REVIEW
A Zida, S Bamba, A Yacouba, R Ouedraogo-Traore, R T Guiguemdé
INTRODUCTION: Candida albicans is the most prevalent fungal pathogen in humans. Due to the development of drug resistance, there is today a need for new antifungal agents for the efficient management of C. albicans infections. Therefore, we reviewed antifungal activity, mechanisms of action, possible synergism with antifungal drugs of all natural substances experimented to be efficient against C. albicans for future. METHODS: An extensive and systematic review of the literature was undertaken and all relevant abstracts and full-text articles analyzed and included in the review...
November 11, 2016: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/27833605/lactobacillus-fermentum-atcc-23271-displays-in-vitro-inhibitory-activities-against-candida-spp
#15
Monique S do Carmo, Francisca M F Noronha, Mariana O Arruda, Ênnio P da Silva Costa, Maria R Q Bomfim, Andrea S Monteiro, Thiago A F Ferro, Elizabeth S Fernandes, Jorge A Girón, Valério Monteiro-Neto
Lactobacilli are involved in the microbial homeostasis in the female genital tract. Due to the high prevalence of many bacterial diseases of the female genital tract and the resistance of microorganisms to various antimicrobial agents, alternative means to control these infections are necessary. Thus, this study aimed to evaluate the probiotic properties of well-characterized Lactobacillus species, including L. acidophilus (ATCC 4356), L. brevis (ATCC 367), L. delbrueckii ssp. delbrueckii (ATCC 9645), L. fermentum (ATCC 23271), L...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27815078/ziziphora-tenuior-l-essential-oil-from-dana-biosphere-reserve-southern-jordan-chemical-characterization-and-assessment-of-biological-activities
#16
M S Abu-Darwish, C Cabral, M J Gonçalves, C Cavaleiro, M T Cruz, M Paoli, F Tomi, T Efferth, L Salgueiro
ETHNOPHARMACOLOGIC RELEVANCE: Ziziphora tenuior L. (Lamiaceae) is a medicinal plant in Jordan, which is included in various antimicrobial, antiseptic, expectorant and wound healing preparations. It is used for the treatment of cough, stomach ache, dysentery, fever, uterus infection, gut inflammation and painful menstruation. AIM OF THE STUDY: The aim of this study was to assess, for the first time, the chemical composition of the essential oil of Z. tenuior originated from southern Jordan and its antifungal effects against several yeasts...
November 1, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27814401/the-kallikrein-kinin-system-a-novel-mediator-of-il-17-driven-anti-candida-immunity-in-the-kidney
#17
Kritika Ramani, Abhishek V Garg, Chetan V Jawale, Heather R Conti, Natasha Whibley, Edwin K Jackson, Sruti S Shiva, William Horne, Jay K Kolls, Sarah L Gaffen, Partha S Biswas
The incidence of life-threatening disseminated Candida albicans infections is increasing in hospitalized patients, with fatalities as high as 60%. Death from disseminated candidiasis in a significant percentage of cases is due to fungal invasion of the kidney, leading to renal failure. Treatment of candidiasis is hampered by drug toxicity, the emergence of antifungal drug resistance and lack of vaccines against fungal pathogens. IL-17 is a key mediator of defense against candidiasis. The underlying mechanisms of IL-17-mediated renal immunity have so far been assumed to occur solely through the regulation of antimicrobial mechanisms, particularly activation of neutrophils...
November 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27811455/evaluation-of-antifungal-efficacy-of-qmix-2in1-as-a-final-irrigant-an-in-vitro-study
#18
E Kalyoncuoglu, E Sen Tunc, S Ozer, C Keskin, K Bilgin, A Birinci
BACKGROUND: It is known that no specific antifungal agent exists at present for irrigation of infected root canals. QMix 2in1 was investigated to determine whether they could be an alternative for sodium hypochlorite (NaOCl), chlorhexidine gluconate (CHX), and ethylenediaminetetraacetic acid (EDTA). OBJECTIVE: The aim of this in vitro study was to evaluate and compare the antifungal efficacy of QMix 2in1, 5.25% NaOCl, 2% CHX, and 17% EDTA as a final rinse against Candida albicans (C...
November 2016: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/27800146/antimicrobial-activity-of-biocompatible-microemulsions-against-aspergillus-niger-and-herpes-simplex-virus-type-2
#19
Mayson H Alkhatib, Magda M Aly, Rajaa A Rahbeni, Khadijah S Balamash
BACKGROUND: Microemulsions (MEs), which consist of oil, water, surfactants, and cosurfactants, have recently generated considerable interest as antimicrobial agents. OBJECTIVES: To determine the antifungal and antiviral activities of three ME formulations (MEa, MEb, and MEc) that differ in their hydrophilicity. METHODS: The ME formulas were produced by mixing different fractions of Tween 80, Span 20, ethanol, oil, isopropyl myristate, and distilled water...
September 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27799206/a-multi-center-study-of-method-dependent-epidemiological-cutoff-values-ecvs-for-resistance-detection-in-candida-spp-and-aspergillus-spp-to-amphotericin-b-and-echinocandins-for-the-etest-agar-diffusion-method
#20
A Espinel-Ingroff, M Arendrup, E Cantón, S Cordoba, E Dannaoui, J García-Rodríguez, G M Gonzalez, N P Govender, E Martin-Mazuelos, C Lass-Flörl, M Lackner, M J Linares Sicilia, M A Rodriguez-Iglesias, T Pelaez, R K Shields, G Garcia-Effron, J Guinea, M Sanguinetti, J Turnidge
Method-dependent Etest epidemiological cutoff values (ECVs) are not available for susceptibility testing of either Candida or Aspergillus species with amphotericin B or echinocandins. In addition, reference caspofungin MICs for Candida spp. are unreliable. Candida and Aspergillus species wild-type (WT) Etest MIC distributions (microorganisms in a species-drug combination with no detectable phenotypic resistance) were established for 4,341 Candida albicans, 113 C. dubliniensis, 1,683 C. glabrata species complex (SC), 709 C...
October 31, 2016: Antimicrobial Agents and Chemotherapy
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