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https://www.readbyqxmd.com/read/28635170/alginate-oligosaccharides-modify-hyphal-infiltration-of-candida-albicans-in-an-in-vitro-model-of-invasive-human-candidosis
#1
Manon F Pritchard, Alison Jack, Lydia C Powell, Hina Sadh, Philip D Rye, Katja E Hill, David W Thomas
AIMS: A novel alginate oligomer (OligoG CF-5/20) has been shown to potentiate antifungal therapy against a range of fungal pathogens. The current study assessed the effect of this oligomer on in vitro virulence factor expression and epithelial invasion by Candida species. METHODS AND RESULTS: Plate substrate assays and epithelial models were used to assess Candida albicans (CCUG 39343 and ATCC 90028) invasion, in conjunction with confocal laser-scanning microscopy and histochemistry...
June 21, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28634471/a-chitin-binding-protein-purified-from-moringa-oleifera-seeds-presents-anticandidal-activity-by-increasing-cell-membrane-permeability-and-reactive-oxygen-species-production
#2
João X S Neto, Mirella L Pereira, Jose T A Oliveira, Lady C B Rocha-Bezerra, Tiago D P Lopes, Helen P S Costa, Daniele O B Sousa, Bruno A M Rocha, Thalles B Grangeiro, José E C Freire, Ana Cristina O Monteiro-Moreira, Marina D P Lobo, Raimunda S N Brilhante, Ilka M Vasconcelos
Candida species are opportunistic pathogens that infect immunocompromised and/or immunosuppressed patients, particularly in hospital facilities, that besides representing a significant threat to health increase the risk of mortality. Apart from echinocandins and triazoles, which are well tolerated, most of the antifungal drugs used for candidiasis treatment can cause side effects and lead to the development of resistant strains. A promising alternative to the conventional treatments is the use of plant proteins...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28632836/-multidrug-resistant-candida-auris-new-kid-on-the-block-in-hospital-associated-infections
#3
Cecilia Tapia, Christian Batarce
No abstract text is available yet for this article.
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28632834/-bladder-fungus-ball-by-candida-tropicalis-a-pediatric-case-report
#4
Ecil Santos, Mónica Mercado, Antonio Luévanos, Pedro Martínez, Martín Guerrero
Vesical fungus ball is a mobile, oval and echogenic mass as a result of accumulation of long and wide numerous hyphae. Fungal urinary tract infection incidence has increased notoriously and there are isolated yeast in 7 to 8% of urine cultures. Different species of Candida are cause of urinary tract infection. Epidemiologically, the first isolated pathogen is Candida albicans, followed by Candida tropicalis. Bladder poll has been documented as the most important risk factor for candiduria in critical patients into intensive care...
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28632822/-strategies-to-reduce-infections-and-antibiotic-use-and-its-effects-in-a-neonatal-care-unit
#5
Soledad Urzúa, Marcela Ferrés, Patricia García, Amparo Sánchez, Matías Luco
INTRODUCTION: Late onset sepsis (LOS) remains an important cause of morbidity and mortality in neonatal intensive care units (NICU). The empirical use of vancomycin and other broad spectrum antibiotics is very frequent and is associated with the emergence of resistant agents, infection by gram-negative bacilli (GNB), fungal infections and increased morbidity and mortality. OBJECTIVE: To evaluate the impact of 5 intervention protocols designed to reduce infections and promote the rational use of antibiotics (AB) in a single NICU...
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28630839/septic-arthritis-of-the-hip-complicated-by-secondary-fungal-superinfection
#6
Scott Matthews, Sam Sloan, Daniel McCaffrey, Angel Ruiz
INTRODUCTION: Fungal joint infection can lead to serious consequences for those affected. It can often be a delayed diagnosis due to initial negative organism growth or lack of clinician awareness. Treatment should be early and aggressive to prevent patient morbidity and mortality. CASE REPORT: We present a case of staphylococcal septic arthritis of the native hip joint with secondary superinfection by Candida albicans in a young patient with no appreciable risk factors...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28630186/loss-of-c-5-sterol-desaturase-activity-results-in-increased-resistance-to-azole-and-echinocandin-antifungals-in-a-clinical-isolate-of-candida-parapsilosis
#7
Jeffrey M Rybak, C Michael Dickens, Josie E Parker, Kelly Caudle, Kayihura Manigaba, Sarah G Whaley, Andrew Nishimoto, Arturo Luna-Tapia, Sujoy Roy, Qing Zhang, Katherine S Barker, Glen E Palmer, Thomas R Sutter, Ramin Homayouni, Nathan P Wiederhold, Steven L Kelly, P David Rogers
Among emerging non-albicans Candida species, C. parapsilosis is of particular concern as a cause of nosocomial bloodstream infections in neonatal and intensive care unit patients. While fluconazole and echinocandins are considered effective treatment of such infections, recent reports of fluconazole and echinocandin resistance in C. parapsilosis indicate a growing problem. The present study describes a novel mechanism of antifungal resistance in this organism affecting the susceptibility of azole and echinocandin antifungals in a clinical isolate obtained from a patient with prosthetic valve endocarditis...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28630061/increased-resistance-to-intradermal-francisella-tularensis-lvs-infection-by-inactivation-of-the-sts-phosphatases
#8
Kaustubh Parashar, Erik Kopping, David Frank, Vinaya Sampath, David G Thanassi, Nick Carpino
The Suppressor of TCR signaling proteins (Sts-1 and Sts-2) are two homologous phosphatases that negatively regulate signaling pathways in a number of hematopoietic lineages, including T lymphocytes. Mice lacking Sts expression are characterized by enhanced T cell responses. Additionally, a recent study demonstrated that Sts-/- mice are profoundly resistant to systemic infection of Candida albicans, with resistance characterized by enhanced survival, more rapid fungal clearance in key peripheral organs, and an altered inflammatory response...
June 19, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28629056/antimicrobial-and-antioxidant-potentials-of-biosynthesized-colloidal-zinc-oxide-nanoparticles-for-a-fortified-cold-cream-formulation-a-potent-nanocosmeceutical-application
#9
Sonia S, Linda Jeeva Kumari H, Ruckmani K, Sivakumar M
Nanocosmeceuticals are promising applications of nanotechnology in personal care industries. Zinc oxide is an inorganic material that is non-toxic and skin compatible with self-cleansing and microbicidal properties. Herein, exploitation of colloidal zinc oxide nanoparticles (ZnONps) as potent biomaterial for a topical formulation of cosmetic and dermatological significance is employed. ZnONps were green synthesized using environmentally benign Adhatoda vasica leaf extract and characterized by UV-Vis absorption spectroscopy, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), dynamic light scattering (DLS), high-resolution transmission electron microscopy (HR-TEM) and energy-dispersive X-ray spectroscopy (EDX)...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28629000/formulation-and-in-vitro-efficacy-of-antifungal-mucoadhesive-polymeric-matrices-for-the-delivery-of-miconazole-nitrate
#10
G Tejada, G N Piccirilli, M Sortino, C J Salomón, M C Lamas, D Leonardi
Oral candidiasis is the most common opportunistic infection affecting patients with the human immunodeficiency virus. Miconazole buccal tablets or miconazole gel are approved for the treatment of oropharyngeal candidiasis. However, buccal films present more flexibility and also offer protection for the wounded mucosa, reducing pain. Due to their small size and thickness, buccal films may improve patients' compliance, compared to tablets. Additionally, they may increase the relatively short residence time on the mucosa of oral gels, which are easily removed by saliva...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28626746/frequency-of-cutaneous-fungal-infections-and-azole-resistance-of-the-isolates-in-patients-with-diabetes-mellitus
#11
Omid Raiesi, Mansour Siavash, Faezeh Mohammadi, Javaher Chabavizadeh, Behzad Mahaki, Mehrnoush Maherolnaghsh, Parvin Dehghan
BACKGROUND: Diabetic patients are more susceptible to cutaneous fungal infections. The higher blood sugar levels cause increasing the cutaneous fungal infections in these patients. The main objective of this study was to find the frequency of fungal infections among cutaneous lesions of diabetic patients and to investigate azole antifungal agent susceptibility of the isolates. MATERIALS AND METHODS: In this study, type 1diabetes (n = 78) and type 2 diabetes (n = 44) comprised 47 cases (38...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28625762/fungal-peritonitis-by-thermoascus-crustaceus-in-a-peritoneal-dialysis-patient-from-chile
#12
Eduardo Alvarez, Alvaro Castillo, Isabel Iturrieta
BACKGROUND: Fungal peritonitis is a relatively uncommon infection in peritoneal dialysis patients. However, it can be associated with significant morbimortality. In recent reports, Candida species and other filamentous fungi have been reported as being aetiological agents. Thermoascus species are ubiquitous, thermophilic fungi, with an anamorph in the Paecilomyces genus. Here we present the first report of fungal peritonitis by Thermoascus crustaceus from Chile. CASE REPORT: We present the case of an 83-year-old female patient, with a history of cholecystectomy, hernia repair, severe arterial hypertension, hip and knee osteoarthritis and several episodes of peritoneal dialysis with a cloudy exudate...
June 15, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28625706/utility-of-acridine-orange-staining-for-detection-of-bacteria-from-positive-blood-cultures
#13
M Neeraja, V Lakshmi, C Padmasri, K Padmaja
The diagnostic performance of AO stain was evaluated for the detection of bacteria and or fungi from positive blood cultures. The sensitivity of Gram stain (GS) was 98.26% while Acridine Orange (AO) stain proved to be more sensitive (100%) with a Positive and Negative Predictive Value of 100% each. The specificity of both the stains was 100%. Overall agreement between the two stains was 98.23% (688/700). The organisms that were missed by GS and positive by AO were Candida species (Sutton, 2006) and Gram negative bacilli (GNB) (Sutton, 2006)...
June 15, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28623882/peripheral-venous-catheter-related-bloodstream-infection-is-associated-with-severe-complications-and-potential-death-a-retrospective-observational-study
#14
Akihiro Sato, Itaru Nakamura, Hiroaki Fujita, Ayaka Tsukimori, Takehito Kobayashi, Shinji Fukushima, Takeshi Fujii, Tetsuya Matsumoto
BACKGROUND: The purpose of this study was to identify the clinical characteristics and outcomes of peripheral vascular catheter-related bloodstream infections (PVC-BSIs) and determine the risk of severe complications or death. METHODS: We performed a retrospective observational study from June 2010 to April 2015 at two regional university-affiliated hospitals in Tokyo. We studied the clinical manifestations, underlying diseases, laboratory results, treatment methods, recurrence rates, and complications in 62 hospitalized patients diagnosed with PVC-BSIs by positive blood cultures...
June 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28623423/cxcl10-suppression-of-hem-and-lymph-angiogenesis-in-inflamed-corneas-through-mmp13
#15
Nan Gao, Xiaowei Liu, Jiayin Wu, Juan Li, Chen Dong, Xinyi Wu, Xiao Xiao, Fu-Shin X Yu
Though not present in the normal adult cornea, both hem- and lymph-angiogenesis can be induced in this tissue after an inflammatory, infectious, or traumatic insult. We previously showed that the chemokine CXCL10 plays a key role in eradicating invading Candida (C.) albicans in C57BL6 mouse corneas. However, even after the clearance of pathogens, infection-induced inflammation and angiogenesis continue to progress in the cornea. The aim of this study is define the role of CXCL10 as a major angiostatic factor in modulating cornea angiogenesis in B6 mouse corneas under pathogenic conditions...
June 16, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28622982/comparison-of-the-vitek-2-antifungal-susceptibility-system-with-etest-using-clinical-isolates-of-candida-species
#16
Wadha Alfouzan, Tahani Al-Enezi, Ebteehal AlRoomi, Vayalil Sandhya, Rachel Chandy, Zia Uddin Khan
BACKGROUND: Candida species are part of the normal human microbiota. However, in recent years, nosocomial bloodstream Candida infections have emerged as a significant problem ranking the fourth common cause of fungemia in intensive care units. Although microdilution methods are the ones recommended for susceptibility testing, they are difficult to undertake in the clinical practice. Thus, an automated commercially available test is ideal. AIMS: To compare minimum inhibitory concentrations (MICs) obtained with the recently introduced Vitek 2 yeast susceptibility system card (AST-YS01) with Etest...
June 13, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28622549/immunological-and-epidemiological-factors-affecting-candidiasis-in-hiv-patients-beginning-antiretroviral-therapy-in-an-asian-clinic
#17
Endah A T Wulandari, Henny Saraswati, Robiatul Adawiyah, Samsuridjal Djauzi, Retno Wahyuningsih, Patricia Price
OBJECTIVES: Oropharyngeal candidiasis (OPC) is common in HIV patients beginning antiretroviral therapy (ART). Here we address the response to ART, and the roles of poor oral hygiene and defects in local innate immunity with a focus on salivary β-defensins, as they are implicated in control of candidiasis but have not been investigated in this context. DESIGN: ART naïve HIV-infected adults (n=82) with <200 CD4(+) T-cells/mm(3) attending clinics at Cipto Mangunkusumo Hospital, Jakarta, were examined at the commencement of ART, and 73 were re-examined after 3 months...
June 3, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28622460/antifungal-activity-of-tyrosol-and-farnesol-used-in-combination-against-candida-species-in-the-planktonic-state-or-forming-biofilms
#18
Douglas Roberto Monteiro, Laís Salomão Arias, Renan Aparecido Fernandes, Lucas Fernando Deszo da Silva, Manoel Olavo Valentim Fernandes de Castilho, Thaís Oliveira da Rosa, Ana Paula Miranda Vieira, Fabiana Gouveia Straioto, Débora Barros Barbosa, Alberto Carlos Botazzo Delbem
AIM: This study examined the antifungal activity of the combination of tyrosol and farnesol against Candida albicans and Candida glabrata in the planktonic state or forming biofilms. METHODS AND RESULTS: The effect of drug association against Candida planktonic cells was assessed by the fractional inhibitory concentration index. Mono and dual-species biofilms were developed (24 h) and the compounds, applied during 3 days, with 2 daily treatments of 1 minute each...
June 16, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28622118/imaging-spectrum-of-invasive-fungal-and-fungal-like-infections
#19
Hilary L P Orlowski, Sebastian McWilliams, Vincent M Mellnick, Sanjeev Bhalla, Meghan G Lubner, Perry J Pickhardt, Christine O Menias
Invasive fungal and fungal-like infections contribute to substantial morbidity and mortality in immunocompromised individuals. The incidence of these infections is increasing-largely because of rising numbers of immunocompromised patients, including those with neutropenia, human immunodeficiency virus, chronic immunosuppression, indwelling prostheses, burns, and diabetes mellitus, and those taking broad-spectrum antibiotics. Invasive fungal pathogens include primary mycotic organisms such as Histoplasma capsulatum, Coccidioides immitis, Blastomyces dermatitidis, and Paracoccidioides brasiliensis, which are true pathogens and inherently virulent...
June 16, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28620845/cross-resistance-between-voriconazole-and-fluconazole-for-non-albicans-candida-infection-a-case-case-control-study
#20
Y Wang, Q Yang, L Chen, L Liu, R Hao, T Zhang, X Wang, J Lei, J Xie, Y Dong
Cross-resistance (CR) between voriconazole and fluconazole for non-albicans Candida (NAC) species is not uncommon, but little is known about the risk factors and clinical consequences associated with this resistance phenotype. A case-case-control study was performed at a university-affiliated hospital in China between November 2012 and April 2016. The two case groups respectively comprised patients with a mono-resistance (MR) NAC infection (fluconazole or voriconazole resistance) and patients with a CR NAC infection (fluconazole and voriconazole resistance)...
June 15, 2017: European Journal of Clinical Microbiology & Infectious Diseases
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