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https://www.readbyqxmd.com/read/29777669/repair-of-thoracic-and-thoracoabdominal-mycotic-aneurysms-and-infected-aortic-grafts-using-allograft
#1
Joel S Corvera, David Blitzer, Hannah Copeland, Daniel Murphy, Philip J Hess, Saila T Pillai, John W Fehrenbacher
BACKGROUND: Mycotic aneurysm of the thoracic or thoracoabdominal aorta and infection of thoracic or thoracoabdominal aortic grafts are challenging problems with high mortality. In-situ reconstruction with cryopreserved allograft(CPA) avoids placement of prosthetic material in an infected field and avoids suppressive antibiotics or autologous tissue coverage. METHODS: Fifty consecutive patients with infection of a thoracic or thoracoabdominal aortic graft or mycotic aneurysm underwent resection and replacement with CPA from 2006 to 2016...
May 16, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29775695/pulsatilla-decoction-inhibits-candida-albicans-proliferation-and-adhesion-in-a-mouse-model-of-vulvovaginal-candidiasis-via-the-dectin-1-signaling-pathway
#2
Lilin Yang, Haiwang Wu, Weiyu Qiu, Longyi Guo, Xin Du, Qingying Yu, Jie Gao, Songping Luo
ETHNOPHARMACOLOGICAL RELEVANCE: Pulsatilla decoction (PD) is a classical prescription in Traditional Chinese Medicine (TCM) and has been reported to have inhibitory effects on Candida albicans proliferation. STUDY AIM: To investigate the therapeutic effects of PD in the treatment of Vulvovaginal candidiasis (VVC) and elucidate the potential mechanism. MATERIALS AND METHODS: Female BALB/c mice (N=90) were randomized to six treatment groups, including the Control group, Model group, three PD groups and Fluconazole group which served as a positive control (20mg/kg weekly)...
May 15, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29774605/mixed-infections-are-a-critical-factor-in-the-treatment-of-superficial-mycoses
#3
A Gawaz, G Weisel
BACKGROUND: Superficial fungal infections of the skin, nails and hair are common with Trichophyton rubrum and Candida albicans being the main pathogens. Yet, in some patients, mycological cultures show growth of more than one fungal agent in the same anatomical region. OBJECTIVE: This study analyses prevalence, frequency and fungal agents found in superficial fungal mixed infections and discusses consequences for diagnostics and treatment. METHODS: Mycological data obtained between January 2006 to December 2015 from clinical specimens from a total cohort of 7733 patients with suspected fungal infections were retrospectively analysed...
May 17, 2018: Mycoses
https://www.readbyqxmd.com/read/29772751/what-we-do-not-know-about-fungal-cell-adhesion-molecules
#4
REVIEW
Peter N Lipke
There has been extensive research on structure and function of fungal cell adhesion molecules, but the most of the work has been about adhesins in Candida albicans and Saccharomyces cerevisiae. These yeasts are members of a single ascomycete order, and adhesion molecules from the six other fungal phyla are only sparsely described in the literature. In these other phyla, most of the research is at the cellular level, rather than at the molecular level, so there has been little characterization of the adhesion molecules themselves...
May 17, 2018: Journal of Fungi (Basel, Switzerland)
https://www.readbyqxmd.com/read/29772356/assessment-of-toxicity-and-differential-antimicrobial-activity-of-methanol-extract-of-rhizome-of-simaba-ferruginea-a-st-hil-and-its-isolate-canthin-6-one
#5
Vanessa Fátima Gazoni, Sikiru Olaitan Balogun, Karuppusamy Arunacham, Darley Maria Oliveira, Valdir Cechinel Filho, Samara Rosolem Lima, Edson Moleta Colodel, Ilsamar Mendes Soares, Sérgio Donizeti Ascêncio, Domingos Tabajara de Oliveira Martins
ETHNOPHARMACOLOGICAL RELEVANCE: Simaba ferruginea A. St.-Hil., Simaroubaceae, popularly known as "calunga" is a typical subtropical shrub used in Central Brazil mainly for infection, anti-inflammatory, analgesic and gastric duodenal-ulcers. It presents in its composition the alkaloid canthin-6-one, an alkaloid indole β-carboxylic. AIM: This study aims to investigate the toxicity, antimicrobial activities of methanol extract of Simaba ferruginea (MESf) and canthin-6-one by using different experimental models...
May 14, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29770172/prevention-of-cross-contamination-risk-by-disinfection-of-irreversible-hydrocolloid-impression-materials-with-ozonated-water
#6
Omid Savabi, Farahnaz Nejatidanesh, Kamran Poshang Bagheri, Leila Karimi, Ghazal Savabi
Background: Disinfection of dental impression is mandatory for preventing the cross infection between dental staff and dental laboratory. Ozone as a disinfectant can be used in various ways in dentistry. The aim of this study was to evaluate the efficacy of ozonated water for disinfection of irreversible hydrocolloid impression materials and preventing cross-contamination. Methods: Thirty-two circular specimens (1 cm diameter and 2 mm thickness) of irreversible hydrocolloid impression material were made...
2018: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29770136/cd3%C3%AE%C2%B5-expression-defines-functionally-distinct-subsets-of-v%C3%AE-1-t-cells-in-patients-with-human-immunodeficiency-virus-infection
#7
Pádraic J Dunne, Christina O Maher, Michael Freeley, Katie Dunne, Andreea Petrasca, Judy Orikiiriza, Margaret R Dunne, Derval Reidy, Siobhan O'Dea, Aisling Loy, Jim Woo, Aideen Long, Thomas R Rogers, Fiona Mulcahy, Derek G Doherty
Human γδ T cells expressing the Vδ1 T cell receptor (TCR) recognize self and microbial antigens and stress-inducible molecules in a major histocompatibility complex-unrestricted manner and are an important source of innate interleukin (IL)-17. Vδ1 T cells are expanded in the circulation and intestines of patients with human immunodeficiency virus (HIV) infection. In this study, we show that patients with HIV have elevated frequencies, but not absolute numbers, of circulating Vδ1 T cells compared to control subjects...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29770082/first-reported-case-of-multidrug-resistant-candida-auris-in-canada
#8
I S Schwartz, G W Hammond
Candida auris is a fungal pathogen that has recently emerged as a global threat to public health. It was first described in Japan in 2009 and has since been reported in 17 countries on five continents. This case report describes the first reported case of multidrug-resistant C. auris in Canada. In May 2017, a 64-year-old individual was evaluated for chronic otitis externa. Past medical history included a recent hospitalization in India for elective oral surgery that was complicated by an odontogenic brain abscess...
July 6, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29766800/antifungal-activity-gas-chromatographic-mass-spectrometric-analysis-and-in-silico-study-of-punica-granatum-peel-extracts-against-fluconazole-resistant-strains-of-candida-species
#9
Sony Paul, M Kalyani, I Kannan
AIMS: Candida species is the common cause of opportunistic fungal infections all over the world with increased mortality and morbidity especially in immunosuppressed patients. Fluconazole is the first line therapy for candidiasis. The antifungal resistance pattern in high-risk patients is a major concern. The present study was aimed to assess the anticandidal activity of Punica granatum peel against fluconazole resistant Candida species isolated from HIV patients. MATERIALS & METHODS: Ethanol, chloroform, petroleum ether and aqueous extracts of the peel of P...
May 14, 2018: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29762927/isolated-pulmonary-valve-fungal-endocarditis-with-candida-parapsilosis-management-considerations-of-a-rare-case
#10
Nirmal Guragai, Upamanyu Rampal, Rahul Vasudev, Dhaval Shah, Hiten Patel, Julius Salamera, Raja Pullatt, Fayez Shamoon
Pulmonary valve infections without the involvement of other valves account for only 1.5- 2% of all infective endocarditis cases. Isolated pulmonary valve endocarditis due to fungus is extremely rare. The case is presented of a 36-year-old male who was found to have isolated pulmonary valve endocarditis caused by a very rare organism, Candida parapsilosis, and that was solely managed with medical therapy. The patient was evaluated for three weeks of lowgrade fever, generalized rash and fatigue, and found to have C...
September 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29762861/pharmacokinetic-pharmacodynamic-analysis-of-isavuconazole-against-aspergillus-spp-and-candida-spp-in-healthy-subjects-and-patients-with-hepatic-or-renal-impairment-by-monte-carlo-simulation
#11
Xiaowei Zheng, Gaoqi Xu, Liqin Zhu, Luo Fang, Yiwen Zhang, Haiying Ding, Yinghui Tong, Jiao Sun, Ping Huang
The aim of this pharmacokinetic/pharmacodynamic (PK/PD) study is to evaluate the efficacy of various isavuconazole dosing regimens for healthy individuals and patients with hepatic or renal impairment against Aspergillus spp. and Candida spp. Monte Carlo simulations were conducted using pharmacokinetic (PK) parameters and pharmacodynamics (PD) data to determine the probabilities of target attainment and cumulative fractions of response in terms of area under the concentration curve/minimum inhibition concentration (AUC/MIC) targets of isavuconazole...
May 15, 2018: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29762860/new-pathogens-new-tricks-emerging-drug-resistant-fungal-pathogens-and-future-prospects-for-antifungal-therapeutics
#12
REVIEW
Jennifer Geddes-McAlister, Rebecca S Shapiro
Fungal pathogens are a growing threat to public health. As human immunodeficiency becomes increasingly common, fungal infections are becoming more prevalent. The use of antifungal agents for prophylaxis and treatment of fungal infections has favored the emergence of previously rare or unidentified species of drug-resistant fungal pathogens, including several Candida and Cryptococcus species, as well as mold pathogens. As these new and increasingly drug-resistant fungal pathogens continue to emerge, novel strategies for rapid identification and treatment are necessary to combat these life-threatening infections...
May 15, 2018: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29760684/bioprospecting-deep-sea-actinobacteria-for-novel-anti-infective-natural-products
#13
Dongbo Xu, Linna Han, Chunhui Li, Qi Cao, Duolong Zhu, Nolan H Barrett, Dedra Harmody, Jing Chen, Haining Zhu, Peter J McCarthy, Xingmin Sun, Guojun Wang
The global prevalence of drug resistance has created an urgent need for the discovery of novel anti-infective drugs. The major source of antibiotics in current clinical practice is terrestrial actinobacteria; the less-exploited deep-sea actinobacteria may serve as an unprecedented source of novel natural products. In this study, we evaluated 50 actinobacteria strains derived from diverse deep water sponges and environmental niches for their anti-microbial activities against a panel of pathogens including Candida albicans , Clostridium difficile , Staphylococcus aureus , and methicillin-resistant S...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29760550/synergistic-antifungal-effect-of-chitosan-stabilized-selenium-nanoparticles-synthesized-by-pulsed-laser-ablation-in-liquids-against-candida-albicans-biofilms
#14
Humberto H Lara, Gregory Guisbiers, Jonathan Mendoza, Lawrence C Mimun, Brandy A Vincent, Jose L Lopez-Ribot, Kelly L Nash
Background: Candida albicans is a major opportunistic fungal pathogen. One of the most important virulence factors that contribute to the pathogenesis of candidiasis is its ability to form biofilms. A key characteristic of Candida biofilms is their resistance to antifungal agents. Due to significant morbidity and mortality rates related to biofilm-associated drug resistance, there is an urgency to develop novel nanotechnology-based approaches preventing biofilm-related infections. Methods: In this study, we report, for the first time, the synthesis of selenium nanoparticles by irradiating selenium pellets by nanosecond pulsed laser ablation in liquid chitosan as a capping agent...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29760548/silver-nanoparticles-induced-alterations-in-multiple-cellular-targets-which-are-critical-for-drug-susceptibilities-and-pathogenicity-in-fungal-pathogen-candida-albicans
#15
Venkatraman Srinivasan Radhakrishnan, Mohana Krishna Reddy Mudiam, Manish Kumar, Surya Prakash Dwivedi, Surinder Pal Singh, Tulika Prasad
Purpose: A significant increase in the incidence of fungal infections and drug resistance has been observed in the past decades due to limited availability of broad-spectrum antifungal drugs. Nanomedicines have shown significant antimicrobial potential against various drug-resistant microbes. Silver nanoparticles (AgNps) are known for their antimicrobial properties and lower host toxicity; however, for clinical applications, evaluation of their impact at cellular and molecular levels is essential...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29760128/nitric-oxide-releasing-macromolecule-exhibits-broad-spectrum-anti-fungal-activity-and-utility-as-a-topical-treatment-for-superficial-fungal-infections
#16
Nathan Stasko, Kimberly McHale, Stanley J Hollenbach, Megan Martin, Ryan Doxey
Cutaneous and superficial fungal infections affecting the skin, nails, and hair of humans are caused primarily by dermatophytes of the genera Trichophyton, and Epidermophyton, or by yeasts of the genera Candida and Malassezia Onychomycosis is a common fungal infection of the nail frequently coexisting with tinea pedis, the most prevalent mycotic skin infection. Efficacy rates for current topical onychomycosis therapies are hampered by low drug penetration across the nail plate that is theoretically obviated with nitric oxide (NO)-based topical therapies...
May 14, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29755615/-candida-is-a-protractive-factor-of-chronic-oral-ulcers-among-usual-outpatients
#17
REVIEW
Haruhiko Terai, Takaaki Ueno, Yoshifumi Suwa, Michi Omori, Kayoko Yamamoto, Shin Kasuya
Although many oral ulcers have similar clinical appearances, their etiologies can range from reactive to neoplastic to oral manifestations of dermatological diseases. In patients with an HIV infection, fungal diseases may cause ulceration in the oral cavity; however, there have been few studies of oral ulcerative lesions associated with Candida in patients without an HIV infection. Nevertheless, we encountered chronic oral ulcer associated with Candida among our frequent outpatients without an HIV infection...
May 2018: Japanese Dental Science Review
https://www.readbyqxmd.com/read/29755472/the-elusive-anti-candida-vaccine-lessons-from-the-past-and-opportunities-for-the-future
#18
REVIEW
Gloria Hoi Wan Tso, Jose Antonio Reales-Calderon, Norman Pavelka
Candidemia is a bloodstream fungal infection caused by Candida species and is most commonly observed in hospitalized patients. Even with proper antifungal drug treatment, mortality rates remain high at 40-50%. Therefore, prophylactic or preemptive antifungal medications are currently recommended in order to prevent infections in high-risk patients. Moreover, the majority of women experience at least one episode of vulvovaginal candidiasis (VVC) throughout their lifetime and many of them suffer from recurrent VVC (RVVC) with frequent relapses for the rest of their lives...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29755350/extracts-from-hypericum-hircinum-subsp-majus-exert-antifungal-activity-against-a-panel-of-sensitive-and-drug-resistant-clinical-strains
#19
Noemi Tocci, Daniele Perenzoni, Duilio Iamonico, Francesca Fava, Tobias Weil, Fulvio Mattivi
During the last two decades incidences of fungal infections dramatically increased and the often accompanying failure of available antifungal therapies represents a substantial clinical problem. The urgent need for novel antimycotics called particular attention to the study of natural products. The genus Hypericum includes many species that are used in the traditional medicine to treat pathological states like inflammations and infections caused by fungi. However, despite the diffused use of Hypericum -based products the antifungal potential of the genus is still poorly investigated...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29753928/dynamic-changes-of-th1-th2-th17-cytokines-and-human-beta-defensin-2-in-hiv-infected-patients-with-oral-candidiasis-during-the-first-year-of-highly-active-anti-retroviral-therapy
#20
Xiangzhi Yong, Zhenmin Liu, Lanlan Jiang, Renchuan Tao, Wei Liu, Linlin Zhang, Yuanyuan Peng, Xuefang Lin, Yuxiao Huang
OBJECTIVE: To investigate the change of Th1/Th2/Th17 cytokines and human beta defensin 2 (HBD-2) in HIV-infected patients with oral candidiasis (OC) and gather information about OC-specific immunity. DESIGN: During the 1st year of highly active anti-retroviral therapy (HAART), 25 HIV-infected patients were followed up at the baseline, 3rd, 6th, 12th month. At each visit, oral manifestations were examined; oral rinses were collected and cultured for Candida; peripheral venous blood was taken to determine CD4 + T cell counts and HIV RNA viral load (VL); both unstimulated whole saliva and peripheral venous blood were taken to determine cytokine (IL-4, IL-17(A/F), IFN-γ) and HBD-2 levels...
May 3, 2018: Archives of Oral Biology
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