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https://www.readbyqxmd.com/read/28214273/candidaemia-due-to-candida-parapsilosis-species-complex-at-a-hospital-in-brazil-clinical-characteristics-and-antifungal-susceptibility-profile
#1
Débora de Souza Olartechea de Alencar, Rosianne Assis de Sousa Tsujisaki, Fernanda Luiza Espinosa Spositto, Maína de Oliveira Nunes, Adriana Araújo de Almeida, Marilena Dos Anjos Martins, Marcia de Souza Carvalho Melhem, Marilene Rodrigues Chang
BACKGROUND: Recent decades have seen a global emergence of candidaemia caused by non-Candida albicans Candida species, particularly the Candida parapsilosis complex. AIMS: To evaluate the clinical features and antifungal susceptibility profiles of isolates belonging to the C. parapsilosis species complex in patients with candidaemia in a midwestern Brazilian tertiary-care teaching hospital. METHODS: Yeast identification was performed using an automated Vitek 2 Compact system...
February 14, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28214078/the-optimize-heart-failure-care-program-initial-lessons-from-global-implementation
#2
Martin R Cowie, Yuri M Lopatin, Clara Saldarriaga, Cândida Fonseca, David Sim, Jose Antonio Magaña, Denilson Albuquerque, Marcelo Trivi, Gustavo Moncada, Baldomero A González Castillo, Mario Osvaldo Speranza Sánchez, Edward Chung
Hospitalization for heart failure (HF) places a major burden on healthcare services worldwide, and is a strong predictor of increased mortality especially in the first three months after discharge. Though undesirable, hospitalization is an opportunity to optimize HF therapy and advise clinicians and patients about the importance of continued adherence to HF medication and regular monitoring. The Optimize Heart Failure Care Program (www.optimize-hf.com), which has been implemented in 45 countries, is designed to improve outcomes following HF hospitalization through inexpensive initiatives to improve prescription of appropriate drug therapies, patient education and engagement, and post-discharge planning...
February 12, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28213053/nerol-triggers-mitochondrial-dysfunction-and-disruption-via-elevation-of-ca-2-and-ros-in-candida-albicans
#3
Jun Tian, Zhaoqun Lu, Yanzhen Wang, Man Zhang, Xueyan Wang, Xudong Tang, Xue Peng, Hong Zeng
The antifungal activity of Nerol (NEL) against Candida albicans, a pathogenic fungus, has a minimum inhibitory concentration (MIC) of 4.4mM that causes noteworthy candidacidal activity through an apoptosis-like mechanism. Calcium (Ca(2+)) levels and reactive oxygen species (ROS) production, which are the major causes of apoptosis, were determined in C. albicans cells treated with NEL and were found to increase, which related to mitochondrial dysfunction and disruption. A series of characteristic changes of apoptosis caused by NEL, including mitochondrial membrane depolarization, cytochrome c (cyt c) release, and metacaspase activation were examined using a flow cytometer and Western blot...
February 14, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28205003/antifungal-efficacy-of-an-intravenous-formulation-containing-monomeric-amphotericin-b-5-fluorocytosine-and-saline-for-sodium-supplementation
#4
Celeste Alvarez, David R Andes, Jeong Yeon Kang, Carmen Krug, Glen S Kwon
PURPOSE: Amphotericin B (AmB) and 5-fluorocytosine (5-FC) exhibit additive to synergistic activity against systemic mycoses. Incompatibility of prescribed formulations precludes concomitant IV administration, a route with distinct advantages. Previously, we used PEG-DSPE micelles to produce a reformulation of Fungizone (AmB-SD), AmB solubilized by sodium deoxycholate, called mAmB-90. Herein, we describe a second reformulation that facilitates co-delivery of mAmB-90 and 5-FC, and evaluate the effect of PEG-DSPE micelles on the combination's activity against Candida albicans...
February 15, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28203228/encapsulation-of-antifungals-in-micelles-protects-candida-albicans-during-gall-bladder-infection
#5
Shih-Hung Hsieh, Sascha Brunke, Matthias Brock
Candida albicans is a dimorphic fungus that colonizes human mucosal surfaces with the potential to cause life-threatening invasive candidiasis. Studies on systemic candidiasis in a murine infection model using in vivo real-time bioluminescence imaging revealed persistence of C. albicans in the gall bladder under antifungal therapy. Preliminary analyses showed that bile conferred resistance against a wide variety of antifungals enabling survival in this cryptic host niche. Here, bile and its components were studied for their ability to reduce antifungal efficacy in order to elucidate the underlying mechanism of protection...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28203095/burden-and-treatment-patterns-of-invasive-fungal-infections-in-hospitalized-patients-in-the-middle-east-real-world-data-from-saudi-arabia-and-lebanon
#6
Adel F Alothman, Abdulhakeem O Althaqafi, Madonna J Matar, Rima Moghnieh, Thamer H Alenazi, Fayssal M Farahat, Shelby Corman, Caitlyn T Solem, Nirvana Raghubir, Cynthia Macahilig, Claudie Charbonneau, Jennifer M Stephens
OBJECTIVES: The objective of this study was to document the burden and treatment patterns associated with invasive fungal infections (IFIs) due to Candida and Aspergillus species in Saudi Arabia and Lebanon. METHODS: A retrospective chart review study was conducted using data recorded from 2011 to 2012 from hospitals in Saudi Arabia and Lebanon. Patients were included if they had been discharged with a diagnosis of IFI due to Candida or Aspergillus, which was culture proven or suspected based on clinical criteria...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28198656/fungicidal-activity-and-pk-pd-of-caspofungin-as-tools-to-guide-antifungal-therapy-in-a-fluconazole-resistant-c-parapsilosis-candidemia
#7
Carlo Tascini, Emanuela Sozio, Antonello Di Paolo, Giancarlo Tintori, Alessandro Leonildi, Giacomo Bertolino, Franco Carmassi, Enrico Tagliaferri, Francesco Menichetti, Francesco Barchiesi
Candida parapsilosis may be responsible for bloodstream infections (BSI) and it is characterised by an increased incidence of fluconazole resistance. A 75-year old woman with severe comorbidities received the insertion of a peripherally inserted central venous catheter. Fluconazole did not prevent a C. parapsilosis BSI hence caspofungin was started after a nephrotoxic first-line treatment with amphotericin B. The ratio of peak plasma concentration over the minimum inhibitory concentration (Cmax/MIC) was adopted to maximise efficacy of caspofungin...
February 15, 2017: Journal of Chemotherapy
https://www.readbyqxmd.com/read/28196391/pentoxifylline-treatment-of-very-low-birth-weight-neonates-with-nosocomial-sepsis
#8
Şahin Hamilçıkan, Emrah Can, Övgü Büke, Meltem Erol, Özlem Bostan Gayret
Objective The objective of this study was to assess the result of intravenous pentoxifylline as an adjunct to antibiotic therapy on mortality and morbidity in very low birth weight (VLBW) preterm neonates with nosocomial sepsis. Methods For the 18 VLBW preterm neonates, as an adjunct therapy to antibiotics regimens, pentoxifylline (5 mg/kg/h for 6 hours) was administered to premature infants with sepsis on 3 successive days. Clinical and laboratory parameters were recorded before and after treatment. Results Following pentoxifylline therapy, the immature-to-total neutrophil ratio and C-reactive protein (CRP) levels were significantly decreased, while the blood pH and base excess were significantly increased (p < 0...
February 14, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28194228/guidelines-for-the-management-of-neuroendocrine-tumours-by-the-brazilian-gastrointestinal-tumour-group
#9
Rachel P Riechelmann, Rui F Weschenfelder, Frederico P Costa, Aline Chaves Andrade, Alessandro Bersch Osvaldt, Ana Rosa P Quidute, Allan Dos Santos, Ana Amélia O Hoff, Brenda Gumz, Carlos Buchpiguel, Bruno S Vilhena Pereira, Delmar Muniz Lourenço Junior, Duilio Reis da Rocha Filho, Eduardo Antunes Fonseca, Eduardo Linhares Riello Mello, Fabio Ferrari Makdissi, Fabio Luiz Waechter, Francisco Cesar Carnevale, George B Coura-Filho, Gustavo Andrade de Paulo, Gustavo Colagiovanni Girotto, João Evangelista Bezerra Neto, João Glasberg, Jose Claudio Casali-da-Rocha, Juliana Florinda M Rego, Luciana Rodrigues de Meirelles, Ludhmila Hajjar, Marcos Menezes, Marcello D Bronstein, Marcelo Tatit Sapienza, Maria Candida Barisson Villares Fragoso, Maria Adelaide Albergaria Pereira, Milton Barros, Nora Manoukian Forones, Paulo Cezar Galvão do Amaral, Raphael Salles Scortegagna de Medeiros, Raphael L C Araujo, Regis Otaviano França Bezerra, Renata D'Alpino Peixoto, Samuel Aguiar, Ulysses Ribeiro, Tulio Pfiffer, Paulo M Hoff, Anelisa K Coutinho
Neuroendocrine tumours are a heterogeneous group of diseases with a significant variety of diagnostic tests and treatment modalities. Guidelines were developed by North American and European groups to recommend their best management. However, local particularities and relativisms found worldwide led us to create Brazilian guidelines. Our consensus considered the best feasible strategies in an environment involving more limited resources. We believe that our recommendations may be extended to other countries with similar economic standards...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28193627/adoptive-transfer-of-invariant-nkt-cells-as-immunotherapy-for-advanced-melanoma-a-phase-1-clinical-trial
#10
Mark A Exley, Philip Friedlander, Nadia Alatrakchi, Lianne Vriend, Simon C Yue, Tetsuro Sasada, Wanyong Zang, Yo Mizukami, Justice Clark, David Nemer, Ken LeClair, Christine Canning, Heather Daley, Glenn Dranoff, Anita Giobbie-Hurder, F Stephen Hodi, Jerome Ritz, Steven P Balk
PURPOSE: Invariant NKT cells (iNKT) are innate-like CD1d-restricted T cells with immunoregulatory activity in diseases including cancer. iNKT from advanced cancer patients can have reversible defects including IFNγ production, and iNKT IFNγ production may stratify for survival. Previous clinical trials using iNKT cell activating ligand α-galactosylceramide have shown responses. Therefore, a phase 1 clinical trial was performed of autologous in vitro expanded iNKT cells in stage IIIB-IV melanoma...
February 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28193098/nanoparticle-formulation-increases-syzygium-cumini-antioxidant-activity-in-candida-albicans-infected-diabetic-rats
#11
Paula E R Bitencourt, Lariane O Cargnelutti, Carolina S Stein, Raquel Lautenchleger, Luana M Ferreira, Manuela Sangoi, Laura Denardi, Raphaela M Borges, Aline Boligon, Rafael N Moresco, Letícia Cruz, Régis A Zanette, Sydney H Alves, Maria Beatriz Moretto
CONTEXT: Syzygium cumini (L.) Skeels (Myrtaceae) is a medicinal plant widely used in folk medicine for the treatment of diabetes mellitus (DM). However, studies on the use of this plant and of nanoparticle formulations against DM-related fungal infections are scarce. OBJECTIVE: To evaluate the effect of the treatments with aqueous seed extract of S. cumini (ASc) and ASc-loaded polymeric nanoparticles (NPASc) on biochemical parameters in Candida albicans-infected diabetic rats...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28192489/honokiol-induces-reactive-oxygen-species-mediated-apoptosis-in-candida-albicans-through-mitochondrial-dysfunction
#12
Lingmei Sun, Kai Liao, Chengcheng Hang, Dayong Wang
OBJECTIVE: To investigate the effects of honokiol on induction of reactive oxygen species (ROS), antioxidant defense systems, mitochondrial dysfunction, and apoptosis in Candida albicans. METHODS: To measure ROS accumulation, 2',7'-dichlorofluorescein diacetate fluorescence was used. Lipid peroxidation was assessed using both fluorescence staining and a thiobarbituric acid reactive substances (TBARS) assay. Protein oxidation was determined using dinitrophenylhydrazine derivatization...
2017: PloS One
https://www.readbyqxmd.com/read/28188967/prevalence-of-anemia-and-iron-deficiency-in-older-portuguese-adults-an-empire-substudy
#13
António Robalo Nunes, Cândida Fonseca, Filipa Marques, Aurora Belo, Dialina Brilhante, José Cortez
AIM: The present study aimed to characterize the prevalence of anemia and iron deficiency in older Portuguese adults, and to compare it with the prevalence in younger individuals. METHODS: A population-based, cross-sectional study (EMPIRE study) enrolling a representative sample of 6267 adults aged <65 years and 1617 adults aged ≥65 years was carried out. Hemoglobin, ferritin, creatinine and C-reactive protein levels were measured by Point-of-Care tests. RESULTS: Anemia was more prevalent (P < 0...
February 11, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28188050/successful-treatment-with-caspofungin-of-candiduria-in-a-child-with-wilms-tumor-review-of-literature
#14
M S Rezai, A Vaezi, H Fakhim, A Soleimani, H Mohammad Jafari, S Mohseni, H Badali
Symptomatic candiduria often occurs in patients with indwelling bladder catheters or immunocompromised host. Isolation of Candida in urine in high-risk patients should primarily be considered as a marker for candidemia. Hematological and genitourinary malignancies are one of the main risk factors associated with Candida urinary tract infections (CUTI). Fluconazole is a choice for initial treatment of CUTI, but it is fluctuate depending on the patient's condition including renal failure, site of urinary infection and Candida species...
February 7, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28183589/terbinafine-loaded-wound-dressing-for-chronic-superficial-fungal-infections
#15
Farnoush Asghari Paskiabi, Shahin Bonakdar, Mohammad Ali Shokrgozar, Mohammad Imani, Zahra Jahanshiri, Masoomeh Shams-Ghahfarokhi, Mehdi Razzaghi-Abyaneh
In spite of developing new drugs and modern formulations, the treatments of chronic fungal infections are still challenging. Fibrous wound dressings are new suggestions for the treatment of chronic superficial infections. In the present study, we formulated an antifungal agent, terbinafine hydrochloride (TFH), which is a hydrophobic drug, in wound dressings prepared by electrospun polycaprolactone, polycaprolactone/gelatin (50:50 w/w) and gelatin. To obtain more water-stable meshes, the preparations were treated by glutaraldehyde and their properties were determined before and after treatment...
April 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28180946/new-developments-and-directions-in-the-clinical-application-of-the-echinocandins
#16
REVIEW
C C Chang, M A Slavin, S C-A Chen
The echinocandins-caspofungin, anidulafungin and micafungin-are semi-synthetic cyclic hexapeptide antimicrobial agents with modified N-linked acyl lipid side chains which anchor the compounds to the phospholipid bilayer of the fungal cell membrane, thereby inhibiting synthesis of fungal cell wall glucan. Over the last 10 years, echinocandins have become the first-line antifungal treatment of candidaemia and other forms of invasive candidiasis (IC). Echinocandins are generally well tolerated, but their use is limited by their requirement for daily intravenous dosing, lack of oral formulation and limited spectrum...
February 8, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28178179/diminished-antimicrobial-peptide-and-antifungal-antibiotic-activities-against-candida-albicans-in-denture-adhesive
#17
Amber M Bates, Jorge L Garaicoa, Carol L Fischer, Kim A Brogden
The underlying causes of denture stomatitis may be related to the long-term use of adhesives, which may predispose individuals to oral candidiasis. In this study, we hypothesize that antimicrobial peptides and antifungal antibiotics have diminished anti-Candida activities in denture adhesive. To show this, nine antimicrobial peptides and five antifungal antibiotics with and without 1.0% denture adhesive were incubated with Candida albicans strains ATCC 64124 and HMV4C in radial diffusion assays. In gels with 1...
February 6, 2017: Antibiotics
https://www.readbyqxmd.com/read/28176517/regulation-of-erg3-erg6-and-erg11-genes-in-antifungal-resistant-isolates-of-candida-parapsilosis
#18
Ensieh Lotfali, Ali Ghajari, Parivash Kordbacheh, Farideh Zaini, Hossein Mirhendi, Rasoul Mohammadi, Fatemeh Noorbakhsh, Sassan Rezaie
Background: Candida parapsilosis is one of the five common strains of yeasts involved in invasive candidiasis. The expression analysis of sterol biosynthesis pathway genes, which are associated with resistance, can assist the better understanding of antifungal resistance mechanisms. Method: The antifungal susceptibility of 120 clinical C. parapsilosis isolates was examined. The changes in the gene expression related to resistance were analyzed. Results: Eight strains were resistant to fluconazole (FLC), itraconazole (ITC), and amphotericin B (AMB)...
8, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28168390/supramolecular-chitosan-micro-platelets-synergistically-enhance-anti-candida-albicans-activity-of-amphotericin-b-using-an-immunocompetent-murine-model
#19
Tiphany Grisin, Christian Bories, Martina Bombardi, Philippe M Loiseau, Valérie Rouffiac, Audrey Solgadi, Jean-Maurice Mallet, Gilles Ponchel, Kawthar Bouchemal
PURPOSE: The aim of this work is to design new chitosan conjugates able to self-organize in aqueous solution in the form of micrometer-size platelets. When mixed with amphotericin B deoxycholate (AmB-DOC), micro-platelets act as a drug booster allowing further improvement in AmB-DOC anti-Candida albicans activity. METHODS: Micro-platelets were obtained by mixing oleoyl chitosan and α-cyclodextrin in water. The formulation is specifically-engineered for mucosal application by dispersing chitosan micro-platelets into thermosensitive pluronic(®) F127 20 wt% hydrogel...
February 6, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28165883/the-role-of-il-23-in-the-treatment-of-psoriasis
#20
Lluís Puig
The IL-23/IL-17 axis is currently considered to be crucial in the pathogenesis of psoriasis. Human IL-23 is primarily produced by antigen-presenting cells and induces and maintains differentiation of Th17 cells and Th22 cells, a primary cellular source of proinflammatory cytokines such as IL-17 and IL-22, which mediate the epidermal hyperplasia, keratinocyte immune activation and tissue inflammation inherent in psoriasis. Agents that target the p40 subunit common to both IL-12 and IL-23 have shown robust clinical activity, but selectivity for IL-23p19 could offer advantages in efficacy and safety with respect to anti-p40 blockade...
February 6, 2017: Expert Review of Clinical Immunology
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