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https://www.readbyqxmd.com/read/28677080/comparison-of-impact-of-two-decontamination-solutions-on-the-viability-of-the-cells-in-human-amnion
#1
Ingrida Smeringaiova, Peter Trosan, Miluse Berka Mrstinova, Jan Matecha, Jan Burkert, Jan Bednar, Katerina Jirsova
Human amniotic membrane (HAM) is used as an allograft in regenerative medicine or as a source of pluripotent cells for stem cell research. Various decontamination protocols and solutions are used to sterilize HAM before its application, but little is known about the toxicity of disinfectants on HAM cells. In this study, we tested two decontamination solutions, commercial (BASE·128) and laboratory decontamination solution (LDS), with an analogous content of antimycotic/antibiotics for their cytotoxic effect on HAM epithelial (EC) and mesenchymal stromal cells (MSC)...
July 4, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28655067/fatal-ulcerative-enteritis-of-the-small-intestine-in-a-patient-with-ulcerative-colitis-treated-with-vedolizumab
#2
Carmen Monasterio, Annette Schmitt-Gräff, Matthias Pohl, Thomas Truschel, Klaus Warnatz, Wolfgang Kreisel, Robert Thimme, Peter Hasselblatt
Vedolizumab (VDZ) inhibits α4β7 integrins and is used to target intestinal immune responses in patients with inflammatory bowel disease, which is considered to be relatively safe. Here we report on a fatal complication following VDZ administration. A 64-year-old female patient with ulcerative colitis (UC) refractory to tumor necrosis factor inhibitors was treated with VDZ. One week after the second VDZ infusion, she was admitted to hospital with severe diarrhea and systemic inflammatory response syndrome (SIRS)...
June 27, 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28649561/psd1-effects-on-candida-albicans-planktonic-cells-and-biofilms
#3
Sónia Gonçalves, Patrícia M Silva, Mário R Felício, Luciano N de Medeiros, Eleonora Kurtenbach, Nuno C Santos
Candida albicans is an important human pathogen, causing opportunistic infections. The adhesion of planktonic cells to a substrate is the first step for biofilm development. The antimicrobial peptide (AMP) Psd1 is a defensin isolated from Pisum sativum seeds. We tested the effects of this AMP on C. albicans biofilms and planktonic cells, comparing its activity with amphotericin B and fluconazole. Three C. albicans variants were studied, one of them a mutant deficient in glucosylceramide synthase, conferring resistance to Psd1 antifungal action...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28634478/transcriptional-and-antagonistic-responses-of-biocontrol-strain-lysobacter-enzymogenes-oh11-to-the-plant-pathogenic-oomycete-pythium-aphanidermatum
#4
Yangyang Zhao, Guoliang Qian, Yuan Chen, Liangcheng Du, Fengquan Liu
Lysobacter enzymogenes is a ubiquitous, beneficial, plant-associated bacterium emerging as a novel biological control agent. It has the potential to become a new source of antimicrobial secondary metabolites such as the Heat-Stable Antifungal Factor (HSAF), which is a broad-spectrum antimycotic with a novel mode of action. However, very little information about how L. enzymogenes detects and responds to fungi or oomycetes has been reported. An in vitro confrontation bioassay between the pathogenic oomycete Pythium aphanidermatum and the biocontrol bacterial strain L...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28596945/treatment-with-pcramoll-alone-and-in-combination-with-fluconazole-provides-therapeutic-benefits-in-c-gattii-infected-mice
#5
Jannyson J Jandú, Marliete C Costa, Julliana R A Santos, Fernanda M Andrade, Thais F Magalhães, Márcia V Silva, Maria C A B Castro, Luanna C B B Coelho, Aline G Gomes, Tatiane A Paixão, Daniel A Santos, Maria T S Correia
Cryptococcus gattii is one of the main causative agents of cryptococcosis in immunocompetent individuals. Treatment of the infection is based on the use of antimycotics, however, the toxicity of these drugs and the increase of drug-resistant strains have driven the search for more effective and less toxic therapies for cryptococcosis. pCramoll are isolectins purified from seeds of Cratylia mollis, a native forage plant from Brazil, which has become a versatile tool for biomedical application. We evaluated the effect of pCramoll alone and in combination with fluconazole for the treatment of mice infected with C...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28594372/purine-acquisition-and-synthesis-by-human-fungal-pathogens
#6
REVIEW
Jessica L Chitty, James A Fraser
While members of the Kingdom Fungi are found across many of the world's most hostile environments, only a limited number of species can thrive within the human host. The causative agents of the most common invasive fungal infections are Candida albicans, Aspergillus fumigatus, and Cryptococcus neoformans. During the infection process, these fungi must not only combat the host immune system while adapting to dramatic changes in temperature and pH, but also acquire sufficient nutrients to enable growth and dissemination in the host...
June 8, 2017: Microorganisms
https://www.readbyqxmd.com/read/28579821/opioid-analgesics-related-pharmacokinetic-drug-interactions-from-the-perspectives-of-evidence-based-on-randomized-controlled-trials-and-clinical-risk-management
#7
REVIEW
Xiu-Qin Feng, Ling-Ling Zhu, Quan Zhou
BACKGROUND: Multimorbidity results in complex polypharmacy which may bear a risk of drug interactions. A better understanding of opioid analgesics combination therapy used for pain management could help warrant medication safety, efficacy, and economic relevance. Until now there has been no review summarizing the opioid analgesics-related pharmacokinetic drug interactions from the perspective of evidence based on randomized controlled trials (RCTs). METHOD: A literature search was performed using PubMed, MEDLINE, and the Cochrane Library, using a PRISMA flowchart...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28572725/synthesis-characterization-and-in-vitro-activity-against-candida-spp-of-fluconazole-encapsulated-on-cationic-and-conventional-nanoparticles-of-poly-lactic-co-glycolic-acid
#8
Nicolás Gómez-Sequeda, Rodrigo Torres, Claudia Ortiz
In this study, nanoparticles (NPs) of poly(lactic-co-glycolic acid) (PLGA) loaded with fluconazole (FLZ) and FLZ-NPs coated with the cationic polymer polyethylenimine (PEI) (FLZ-NP-PEI) were synthetized in order to improve antimycotic activity against four strains of Candida spp. of clinical relevance. FLZ-NPs and FLZ-NP-PEI were synthesized by double emulsion solvent-diffusion (DES-D) and characterized. Minimum inhibitory concentration (MIC50) and minimum fungicide concentration (MFC) were determined in vitro by culturing Candida strains in the presence of these nanocompounds...
2017: Nanotechnology, Science and Applications
https://www.readbyqxmd.com/read/28567508/-psoriasis-capitis-and-seborrhoic-eczema-of-scalp-diseases
#9
REVIEW
M Sticherling
The scalp may be affected by various diseases with equally varying manifestations. Erythema and scaling is often accompanied by agonizing itch. Scalp psoriasis and seborrheic eczema represent the most frequent diseases, which can be differentiated into classical cases; however, overlap and similarities are seen. Sharply demarcated erythematosquamous plaques across the natural hairline in psoriasis are opposed to blurred dark-red erythema and yellowish, greasy scales in seborrheic eczema. Whereas with the latter diffuse alopecia may frequently be found, hair loss is rarely seen in psoriasis and may also be related to therapeutic agents...
June 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28527355/antimycotic-activity-of-fengycin-c-biosurfactant-and-its-interaction-with-phosphatidylcholine-model-membranes
#10
Lina María González-Jaramillo, Francisco José Aranda, José Antonio Teruel, Valeska Villegas-Escobar, Antonio Ortiz
Lipopeptide biosurfactants constitute one of the most promising groups of compounds for the treatment and prevention of fungal diseases in plants. Bacillus subtilis strain EA-CB0015 produces iturin A, fengycin C and surfactin and it has been proven useful for the treatment of black Sigatoka disease in banana plants, an important pathology caused by the fungus Mycosphaerella fijiensis (Morelet). We have found that B. subtilis EA-CB0015 cell free supernatants and purified fractions inhibit M. fijiensis cellular growth...
May 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28504240/maldi-tof-ms-in-the-microbiology-laboratory-current-trends
#11
Sören Schubert, Markus Kostrzewa
Within less than a decade matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) has become a gold standard for microbial identification in clinical microbiology laboratories. Besides identification of microorganisms the typing of single strains as well as the antibiotic and antimycotic resistance testing has come into focus in order to speed up the microbiological diagnostic. However, the full potential of MALDI-TOF MS has not been tapped yet and future technological advancements will certainly expedite this method towards novel applications and enhancement of current practice...
May 15, 2017: Current Issues in Molecular Biology
https://www.readbyqxmd.com/read/28473992/hepatotoxicity-of-antimycotics-used-for-invasive-fungal-infections-in-vitro-results
#12
Sandra Doß, Heike Potschka, Fanny Doß, Steffen Mitzner, Martin Sauer
Purpose. Drug-induced liver injury (DILI) is the most common cause of liver injury and a serious clinical problem; antimycotics are involved in approximately 3% of all DILI cases. The hepatotoxicity of many drugs, including the antimycotics, is poorly screened in human models. Methods. In a standardized assay the cytotoxicity on hepatocytes of different concentrations (Cmax, 5x Cmax, and 10x Cmax) of the antimycotics used for systemic infections was tested. Anidulafungin (ANI), liposomal amphotericerin B (L-AmB), caspofungin (CASPO), fluconazole (FLUCO), and voriconazole (VORI) were incubated with HepG2/C3A cells...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28420288/microemulsion-loaded-hydrogel-as-a-promising-vehicle-for-dermal-delivery-of-the-antifungal-sertaconazole-design-optimization-and-ex-vivo-evaluation
#13
Shaimaa Ali Ali Radwan, Aliaa Nabil ElMeshad, Raguia Aly Shoukri
The purpose of the present study was to develop and optimize sertaconazole microemulsion-loaded hydrogel (STZ ME G) to enhance the dermal delivery and skin retention of the drug. Following screening of various oils for maximum drug solubility, 12 pseudoternary phase diagrams were constructed using oils (Peceol(®), Capryol(®) 90), surfactants (Tween(®) 80, Cremophor(®) EL), a cosurfactant (Transcutol(®) P) and water. A 2(1) × 3(1) × 2(1) × 3(1) full factorial design was employed to optimize a ME of desirable characteristics...
April 27, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28402525/antifungal-mechanism-of-ruiii-nh3-4catechol-complex-on-fluconazole-resistant-candida-tropicalis
#14
Rafael Araújo Gomes-Junior, Roberto Santana da Silva, Renata Galvão de Lima, Marcos A Vannier-Santos
Candidiasis, a major opportunistic mycosis caused by Candida sp., may comprise life-threatening systemic infections. The incidence of non-albicans species is rising, particularly in South America and they are frequently drug resistant, causing unresponsive cases. Thus, novel antimycotic agents are required. Here we tested the antifungal activity of [RuIII(NH3)4catechol]+ complex (RuCat), approaching possible action mechanisms on fluconazole-resistant Candida tropicalis. RuCat significantly (P < 0.05) inhibited the growth and viability of C...
May 1, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28396747/optimization-of-anti-infective-dosing-regimens-during-online-haemodiafiltration
#15
Nynke G L Jager, Anthe S Zandvliet, Daniel J Touw, Erik L Penne
Online haemodiafiltration (HDF) is increasingly used in clinical practice as a routine intermittent dialysis modality. It is well known that renal impairment and renal replacement therapy can substantially affect the pharmacokinetic behaviour of several drugs. However, surprisingly few data are available on the need for specific dose adjustments during HDF. Due to convection, drug clearance may be increased during HDF as compared with standard haemodialysis. This may be of particular interest in patients undergoing anti-infective therapy, since under-dosing may compromise patient outcomes and promote the emergence of bacterial resistance...
April 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28390928/itraconazole-cis-diastereoisomers-activate-aryl-hydrocarbon-receptor-ahr-and-pregnane-x-receptor-pxr-and-induce-cyp1a1-in-human-cell-lines-and-human-hepatocytes
#16
Martina Stepankova, Barbora Pastorkova, Petr Bachleda, Zdenek Dvorak
Triazole antimycotic itraconazole contains in its structure three chiral centres; therefore, it forms eight stereoisomers. Commercial preparations of itraconazole are a mixture of four cis-diastereoisomers. There is much evidence that efficacy, adverse effects, and toxicity of chiral drugs may be stereospecific. Therefore, we have prepared 4 pure cis-diastereoisomers of itraconazole and investigated their effects on transcriptional activities of xenoreceptors aryl hydrocarbon receptor AhR and pregnane X receptor PXR...
May 15, 2017: Toxicology
https://www.readbyqxmd.com/read/28381755/meningitis-and-ventriculitis-due-to-nocardia-araoensis-infection
#17
Fumio Yamamoto, Satoshi Yamashita, Hiroyuki Kawano, Tomio Tanigawa, Yosuke Mihara, Toru Gonoi, Yukio Ando
A 73-year-old man was admitted to our hospital with disturbance of consciousness, fever and headache. Cerebrospinal fluid (CSF) analysis revealed pleocytosis with neutrophil predominance, increased protein and low glucose. CSF and blood cultures yielded negative results. Antibiotics and antituberculous drugs were started for meningitis. An antimycotic was also added. The patient died from transtentorial hernia 99 days after admission. Autopsy revealed meningitis, ventriculitis and brain abscess, and Nocardia araoensis was detected in pus from the left lateral ventricle...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28376264/synthesis-and-structure-activity-relationships-of-novel-benzylamine-type-antifungals-as-butenafine-related-antimycotics
#18
Jürgen Krauss, Martina Stadler, Franz Bracher
Benzylamine-type antimycotics like naftifine, butenafine, or terbinafine are a well-known class of antimycotics since the 1980s. The following paper describes the synthesis and biological evaluation of a series of novel benzylamine-type antimycotics characterized by an isooctyl side chain and various substituents at the benzylamine moiety. The compounds were prepared from benzaldehyde derivatives and 2-amino-6-methylheptane by reductive amination with sodium triacetoxyborohydride and subsequent precipitation with hydrogen chloride...
April 4, 2017: Archiv der Pharmazie
https://www.readbyqxmd.com/read/28369011/comorbid-vulvar-lichen-planus-and-lichen-sclerosus
#19
Tania Day, Sarah Moore, Tanja Gizela Bohl, James Scurry
OBJECTIVES: The aims of the study are to assess the histopathologic characteristics of vulvar biopsies consistent with lichen planus (LP) in women with a previous or concurrent histopathologic diagnosis of vulvar lichen sclerosus (LS) and to describe the clinical features of comorbid LP and LS. MATERIALS AND METHODS: Patients were included if a diagnosis of LP was confirmed after review of the hematoxylin and eosin slides and the histopathology reporting LS noted a band of abnormal collagen...
March 31, 2017: Journal of Lower Genital Tract Disease
https://www.readbyqxmd.com/read/28364802/biocontrol-potential-of-halotolerant-bacterial-chitinase-from-high-yielding-novel-bacillus-pumilus-mcb-7-autochthonous-to-mangrove-ecosystem
#20
K S Rishad, Sharrel Rebello, P S Shabanamol, M S Jisha
The multifaceted role of chitinase in medicine, agriculture, environmental remediation and various other industries greatly demands the isolation of high yielding chitinase producing microorganisms with improved properties. The current study aimed to investigate the isolation, characterization and biocontrol prospective of chitinase producing bacterial strains autochthonous to the extreme conditions of mangrove ecosystems. Among the 51 bacterial isolates screened, Bacillus pumilus MCB-7 with highest chitinase production potential was identified and confirmed by 16S rDNA typing...
April 2017: Pesticide Biochemistry and Physiology
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