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Invasive candidiasis

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https://www.readbyqxmd.com/read/29158282/fluconazole-resistant-candida-auris-is-susceptible-to-salivary-histatin-5-killing-and-to-intrinsic-host-defenses
#1
Ruvini U Pathirana, Justin Friedman, Hannah L Norris, Ornella Salvatori, Andrew D McCall, Jason Kay, Mira Edgerton
Candida auris is a newly identified species causing invasive candidemia and candidiasis, and has broad multidrug resistance (MDR) not observed for other pathogenic Candida species. Histatin 5 (Hst 5) is a well-studied salivary cationic peptide with significant antifungal activity against C. albicans, and is an attractive candidate to treat MDR fungi since antimicrobial peptides induce minimal drug resistance. We investigated the susceptibility of C. auris to Hst 5 and neutrophils, two first-line innate defenses in the human host...
November 20, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29154044/modulating-host-immune-responses-to-fight-invasive-fungal-infections
#2
REVIEW
James E Scriven, Mark W Tenforde, Stuart M Levitz, Joseph N Jarvis
Modulation of host immunity in invasive fungal infection is an appealing but as yet mostly elusive treatment strategy. Animal studies in invasive candidiasis and aspergillosis have demonstrated beneficial effects of colony stimulating factors, interferon-gamma and monoclonal antibodies. More recent studies transfusing leukocytes pre-loaded with lipophilic anti-fungal drugs, or modulated T-cells, along with novel vaccination strategies show great promise. The translation of immune therapies into clinical studies has been limited to date but this is changing and the results of new Candida vaccine trials are eagerly awaited...
November 15, 2017: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/29153071/-mycoviruses-and-importance-in-mycology
#3
Sema Aşkın Keçeli
Opportunistic fungal infections like invasive candidiasis and aspergillozis have high mortality rate particularly in immunosupressive patients. The rate of therapy success with antifungal agents is usually low. Although immunotherapy methods have been developed to increase the host response against antifungals, there has been a need for new antifungal therapeutic agents in the treatment of invasive aspergillozis and other opportunistic fungal infections. Mycoviruses are the viruses that specifically infect fungi...
October 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29140934/response-of-symptomatic-persistent-chronic-disseminated-candidiasis-to-corticosteroid-therapy-in-immunosuppressed-pediatric-patients-case-study-and-review-of-the-literature
#4
Vered Shkalim-Zemer, Itzhak Levi, Salvador Fischer, Hannah Tamary, Joanne Yakobovich, Gali Avrahami, Gil Gilad, Sara Elitzur, Isaac Yaniv, Ronit Elhasid, Michal Manistersky, Itamar Shalit
BACKGROUND: Chronic disseminated candidiasis (CDC) is a severe invasive fungal infection principally observed during neutrophil recovery in patients with acute leukemia treated with intensive chemotherapy. Its pathophysiology remains unclear. We describe the management of six children with symptomatic CDC who did not respond to antifungal therapy. METHODS: The databases of the hematology-oncology departments of two tertiary pediatric medical centers were searched for all patients diagnosed with CDC from 2003 to 2015 who responded to corticosteroids after failing antifungal therapy...
November 14, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29133552/cd101-a-novel-echinocandin-possesses-potent-anti-biofilm-activity-against-early-and-mature-candida-albicans-biofilms
#5
Jyotsna Chandra, Mahmoud A Ghannoum
Currently available echinocandins are generally effective against Candida biofilms, but recent emergence of resistance has underscored the importance of developing new antifungal agents that are effective against biofilms. CD101 is a long-acting, novel echinocandin with distinctive pharmacokinetic properties and improved stability and safety relative to other drugs in the same class. CD101 is currently being evaluated as a once-weekly IV infusion for the treatment of candidemia and invasive candidiasis. In this study, we determined: (1) the effect of CD101 against early and mature phase biofilms formed by C...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29128761/inborn-errors-of-immunity-underlying-fungal-diseases-in-otherwise-healthy-individuals
#6
REVIEW
Juan Li, Donald C Vinh, Jean-Laurent Casanova, Anne Puel
It has been estimated that there are at least 1.5 million fungal species, mostly present in the environment, but only a few of these fungi cause human disease. Most fungal diseases are self-healing and benign, but some are chronic or life-threatening. Acquired and inherited defects of immunity, including breaches of mucocutaneous barriers and circulating leukocyte deficiencies, account for most severe modern-day mycoses. Other types of infection typically accompany these fungal infections. More rarely, severe fungal diseases can strike otherwise healthy individuals...
November 9, 2017: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/29125373/use-of-1-3-%C3%AE-d-glucan-in-invasive-fungal-diseases-in-hematology-patients
#7
Daniele Roberto Giacobbe, Valerio Del Bono, Claudio Viscoli, Malgorzata Mikulska
Invasive fungal diseases (IFD) remain a leading cause of morbidity and mortality in hematology patients. Within a diagnostic-driven approach, the use of the serum (1,3)-ß-D-glucan (BDG) test represents a valid tool for the early diagnosis and treatment of IFD. Areas covered: The available literature on the use of BDG in hematology patients was systematically retrieved. Then, it was reviewed and discussed, to identify key issues pertaining to a clinically-oriented narrative presentation of the topic. Expert commentary: The use of BDG in hematology patients at risk for invasive aspergillosis (IA) is secondary to the use of galactomannan...
November 10, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/29119220/biomarker-guided-antifungal-therapy-in-patients-with-suspected-invasive-candidiasis-ready-for-prime-time
#8
EDITORIAL
José-Artur Paiva, Pierre-Emmanuel Charles
No abstract text is available yet for this article.
November 8, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/29115366/update-on-management-of-invasive-candidiasis
#9
REVIEW
F J Candel, C Pazos Pacheco, I Ruiz-Camps, E Maseda, M R Sánchez-Benito, A Montero, M Puig, F Gilsanz, J Aguilar, M Matesanz
Given the growing incidence of invasive candidiasis in critically ill and haemato-oncological patients and its poor outcomes, an early diagnosis and treatment are need for get a better prognosis. This document reviews the current ap-proaches that help in diagnosis of invasive candidiasis based on culture-independent microbiological tests. The combination of clinical prediction scores with fungal serological markers could facilitate the approach in antifungal therapy, optimiz-ing it. This article also reviews the epidemiology and primary risk factors for invasive candidiasis in these patients, updating the therapeutic approach algorithms in both clinical contexts based on the main evidence and international guidelines...
November 6, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/29114700/invasive-candidiasis-in-pediatric-patients-at-king-fahad-medical-city-in-central-saudi-arabia-a-5-year-retrospective-study
#10
Zainab Almooosa, Gasmelseed Y Ahmed, Abeer Omran, Ayah AlSarheed, Afnan Alturki, Abdulaziz Alaqeel, Mohammed Alshehri, Tariq Alfawaz, Dayel AlShahrani
To identify predisposing factors, species distribution, antifungal susceptibility, and outcome. Methods: This study is a retrospective chart review that was conducted at a children's hospital at King Fahad Medical City, Riyadh, Kingdom of Saudi Arabia. One hundred twenty-nine children with invasive candidiasis who were admitted between January 2010 and January 2015. Results: The statistical analysis results have revealed a group of risk factors; prematurity in 37 (28.7%) of patients, low birth weight in 42 (32...
November 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/29109176/candidalysin-drives-epithelial-signaling-neutrophil-recruitment-and-immunopathology-at-the-vaginal-mucosa
#11
Jonathan P Richardson, Hubertine M E Willems, David L Moyes, Saeed Shoaie, Katherine S Barker, Shir Lynn Tan, Glen E Palmer, Bernhard Hube, Julian R Naglik, Brian M Peters
Unlike other forms of candidiasis, vulvovaginal candidiasis, caused primarily by the fungal pathogen Candida albicans, is a disease of immunocompetent and otherwise healthy women. Despite its prevalence, the fungal factors responsible for initiating symptomatic infection remain poorly understood. One of the hallmarks of vaginal candidiasis is the robust recruitment of neutrophils to the site of infection, which seemingly do not clear the fungus, but rather exacerbate disease symptomatology. Candidalysin, a newly discovered peptide toxin secreted by C...
November 6, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/29099103/detecci%C3%A3-n-molecular-de-especies-de-candida-en-espec%C3%A3-menes-de-pacientes-hospitalizados
#12
José Luis Camacho-Cardoso, María Ángeles Martínez-Rivera, Patricia Manzano-Gayosso, Luis Javier Méndez-Tovar, Rubén López-Martínez, Francisca Hernández-Hernández
Objective: To identify the most frequent Candida species in specimens from patients hospitalized in different medical centers of Mexico City, with suspected fungal infection. Methods: Specimens were grown on Sabouraud dextrose agar at 28°C for 72 h. In addition, DNA was extracted. Isolates were grown on CHROMagar Candida™, at 37°C for 48 h. The molecular identification was performed by polymerase chain reaction (PCR) using primers specific for four species. Results: Eighty one specimens were processed and included: bronchial lavage, pleural, cerebrospinal, peritoneal, ascites and bile fluids; blood, sputum, bone marrow, oro-tracheal cannula and ganglion...
2017: Gaceta Médica de México
https://www.readbyqxmd.com/read/29096684/antifungal-susceptibility-and-phenotypic-virulence-markers-of-candida-species-isolated-from-nepal
#13
Supram Hosuru Subramanya, Bharat Prasad Baral, Nawal Kishor Sharan, Niranjan Nayak, Yang Metok, Brijesh Sathian, Indira Bairy, Shishir Gokhale
OBJECTIVE: Candida species are part of the commensal microflora in many anatomical sites of the human body; however, breach in the integrity of the body part and impaired immunity of the host can lead to invasive candidiasis. A number of virulence determinants could contribute towards its pathogenicity. Thus we attempted to evaluate the in vitro expression of different virulence factors among clinical isolates of Candida species and assayed their susceptibility patterns against a range of antifungal agents...
November 2, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29082903/invasive-candidiasis-in-a-neonatal-intensive-care-unit-in-lagos-nigeria
#14
Beatrice Nkolika Ezenwa, Rita Okeoghene Oladele, Patricia Eyanya Akintan, Iretiola Bamikeolu Fajolu, Phillip Olayiwola Oshun, Oyinlola Omoniyi Oduyebo, Veronica Chinyere Ezeaka
BACKGROUND: Invasive candidiasis has been identified globally as a major cause of morbidity and mortality in neonatal intensive care units (NICU). Systemic candidiasis presents like bacterial sepsis and can involve multiple organs. OBJECTIVE: The objective of this study was to determine the prevalence of Candida infection in a NICU at a tertiary hospital in Nigeria and to identify its associated risk factors. MATERIALS AND METHODS: The study was a retrospective descriptive study of all cases of culture-proven invasive Candida infection (ICI) in neonates admitted to the NICU over a 4-year period...
July 2017: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/29062248/evaluation-of-candida-species-and-antifungal-susceptibilities-among-children-with-invasive-candidiasis
#15
Murat Sütçü, Manolya Acar, Gonca Erköse Genç, İlknur Kökçü, Hacer Aktürk, Gürkan Atay, Selda Hançerli Törun, Nuran Salman, Zayre Erturan, Ayper Somer
AIM: Non-albicans Candida species and resistant microorganisms have been more commonly isolated in invasive candidiasis in recent years. The aim of this study was to evaluate the distrubution of Candida spp and antifungal resistance in our clinic. MATERIAL AND METHODS: Fifty-four Candida isolates and antifungal susceptibility results obtained from patients diagnosed as having invasive candidiasis between December 2012 and June 2016 were included. Clinical and laboratory data were retrospectively analyzed...
September 2017: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/29049184/epidemiology-clinical-characteristics-and-risk-factors-for-mortality-of-early-and-late-onset-invasive-candidiasis-in-intensive-care-units-in-china
#16
MULTICENTER STUDY
Yi Yang, Fengmei Guo, Yan Kang, Bin Zang, Wei Cui, Bingyu Qin, Yingzhi Qin, Qiang Fang, Tiehe Qin, Dongpo Jiang, Bojing Cai, Ruoyu Li, Haibo Qiu
To identify the epidemiology, treatments, outcomes, and risk factors for patients with early- or late-onset invasive candidiasis (EOIC or LOIC) in intensive care units in China.Patients were classified as EOIC (≤10 days) or LOIC (>10 days) according to the time from hospital admission to IC onset to identify distinct clinical characteristics.There were 105 EOIC cases and 201 LOIC cases in this study. EOIC was related to more severe clinical conditions at ICU admission or prior to IC. Significantly, more cases of Candida parapsilosis infection were found in patients with LOIC than in those with EOIC...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29036964/-initial-therapy-of-invasive-candidiasis-echinocandin-or-fluconazole
#17
Z B Liu, B Cao
No abstract text is available yet for this article.
October 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29032925/current-status-of-the-etiology-of-candidiasis-in-mexico
#18
María Del Rocío Reyes-Montes, Esperanza Duarte-Escalante, Erick Martínez-Herrera, Gustavo Acosta-Altamirano, María Guadalupe Frías-De León
This study presents a systematic review of the literature on the etiology of superficial and invasive candidiasis in Mexico reported from 2005 to 2015. The data have shown that Candida albicans is the most prevalent species with an increasing tendency of the non-C. albicans Candida species, as reported in other countries. The use of phenotypical methods in the identification of the yeasts limits the identification at the species level, particularly in species that are part of complexes, this is important because the identification only at the genus level leads to inadequate treatment due to the different susceptibility to the antifungals among species...
October 9, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/29023454/antifungal-defense-of-probiotic-lactobacillus-rhamnosus-gg-is-mediated-by-blocking-adhesion-and-nutrient-depletion
#19
Daniela Mailänder-Sánchez, Christina Braunsdorf, Christian Grumaz, Christoph Müller, Stefan Lorenz, Philip Stevens, Jeanette Wagener, Betty Hebecker, Bernhard Hube, Franz Bracher, Kai Sohn, Martin Schaller
Candida albicans is an inhabitant of mucosal surfaces in healthy individuals but also the most common cause of fungal nosocomial blood stream infections, associated with high morbidity and mortality. As such life-threatening infections often disseminate from superficial mucosal infections we aimed to study the use of probiotic Lactobacillus rhamnosus GG (LGG) in prevention of mucosal C. albicans infections. Here, we demonstrate that LGG protects oral epithelial tissue from damage caused by C. albicans in our in vitro model of oral candidiasis...
2017: PloS One
https://www.readbyqxmd.com/read/29018413/effect-of-the-ethyl-acetate-fraction-of-eugenia-uniflora-on-proteins-global-expression-during-morphogenesis-in-candida-albicans
#20
Walicyranison P Silva-Rocha, Matheus F de Azevedo, Magda R A Ferreira, Julhiany de Fátima da Silva, Terezinha I E Svidzinski, Eveline P Milan, Luiz A L Soares, Keyla B F Rocha, Adriana F Uchôa, Maria J S Mendes-Giannini, Ana M Fusco Almeida, Guilherme M Chaves
Candida albicans is able to switch from yeast to hyphal growth and this is an essential step for tissue invasion and establishment of infection. Due to the limited drug arsenal used to treat fungal infections and the constant emergence of resistant strains, it is important to search for new therapeutic candidates. Therefore, this study aimed to investigate by proteomic analysis the role of a natural product (Eugenia uniflora) in impairing hypha formation in C. albicans. We also tested the potential action of E...
2017: Frontiers in Microbiology
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