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T A Defosse, Y Le Govic, V Courdavault, M Clastre, P Vandeputte, D Chabasse, J-P Bouchara, N Giglioli-Guivarc'h, N Papon
Among the subdivision of Saccharomycotina (ascomycetes budding yeasts), the CTG clade (formerly the Candida clade) includes species that display a particular genetic code. In these yeasts, the CTG codon is predominantly translated as a serine instead of a leucine residue. It is now well-known that some CTG clade species have a major impact on human and its activities. Some of them are recognized as opportunistic agents of fungal infections termed candidiasis. In addition, another series of species belonging to the CTG clade draws the attention of some research groups because they exhibit a strong potential in various areas of biotechnology such as biological control, bioremediation, but also in the production of valuable biocompounds (biofuel, vitamins, sweeteners, industrial enzymes)...
March 12, 2018: Journal de Mycologie Médicale
Flavia De Bernardis, Sofia Graziani, Flavio Tirelli, Stavroula Antonopoulou
Vulvovaginal candidiasis is a common mucosal infection affecting a large proportion of women with some of them affected by recurrent often intractable forms of the disease. Thus, there is an increasing interest in understanding the pathogenesis of this disease. The aim of our work was to characterize, in animal models of vaginal candidiasis, the components of the host-fungus interaction at the mucosal level.The evidence of an immune response in the vaginal compartment was very encouraging to identify the proper targets for new strategies for vaccination or immunotherapy of vaginal candidiasis...
April 1, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
Seyedmojtaba Seyedmousavi, Sandra de M G Bosco, Sybren de Hoog, Frank Ebel, Daniel Elad, Renata R Gomes, Ilse D Jacobsen, An Martel, Bernard Mignon, Frank Pasmans, Elena Piecková, Anderson Messias Rodrigues, Karuna Singh, Vania A Vicente, Gudrun Wibbelt, Nathan P Wiederhold, Jacques Guillot
The importance of fungal infections in both human and animals has increased over the last decades. This article represents an overview of the different categories of fungal infections that can be encountered in animals originating from environmental sources without transmission to humans. In addition, the endemic infections with indirect transmission from the environment, the zoophilic fungal pathogens with near-direct transmission, the zoonotic fungi that can be directly transmitted from animals to humans, mycotoxicoses and antifungal resistance in animals will also be discussed...
April 1, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
James J Leyden, Vilma Sniukiene, David R Berk, Alexandre Kaoukhov
BACKGROUND: There is a need for new oral antibiotics for acne with improved safety profiles and targeted antibacterial spectra. Sarecycline is a novel, tetracycline-class antibiotic specifically designed for acne, offering a narrow spectrum of activity compared with currently available tetracyclines, including less activity against enteric Gram-negative bacteria. This phase 2 study evaluated the efficacy and safety of three doses of sarecycline for moderate to severe facial acne vulgaris...
March 1, 2018: Journal of Drugs in Dermatology: JDD
Stephen R Brand, Thorsten P Degenhardt, Karen Person, Jack D Sobel, Paul Nyirjesy, Robert J Schotzinger, Amir Tavakkol
BACKGROUND: Lanosterol demethylase (CYP51), is an enzyme essential for fungal growth, and catalyzes an early step in the biosynthetic pathway of ergosterol, a sterol required for fungal cell membrane formation and integrity. CYP51 is the molecular target of the class of drugs referred to as 'azole antifungals.' VT-1161 is a novel, oral, selective inhibitor of fungal CYP51, and is being developed for the treatment of recurrent vulvovaginal candidiasis. OBJECTIVE: We evaluated the efficacy and safety of 4 dosing regimens of oral VT-1161 compared to placebo in women with recurrent vulvovaginal candidiasis, defined as at least 3 symptomatic episodes of acute vulvovaginal candidiasis within a 12-month period...
March 10, 2018: American Journal of Obstetrics and Gynecology
Rajesh Kumar Wadhwa, Aisha Nazeer, Ayesha Aslam Rai, Nasir Hassan Luck
OBJECTIVES: We investigated the incidence of gastrointestinal disorders requiring endoscopic and histopathologic diagnoses in renal transplant recipients. MATERIALS AND METHODS: In this retrospective analysis, we examined records of patients seen at the Department of Hepato-Gastroenterology and Transplantation Sciences, Sindh Institute of Urology and Trans?lantation (Karachi, Pakistan) from January 2010 to December 2014. Renal transplant recipients with gastrointestinal disorders who required endoscopy, including proctoscopy and upper and lower gastrointestinal endoscopy as per indication, were included...
March 9, 2018: Experimental and Clinical Transplantation
Henry Anyimadu, Chandra Pingili, Vel Sivapalan, Yael Hirsch-Moverman, Sharon Mannheimer
Current guidelines suggest that HIV-infected patients should receive chemoprophylaxis against Pneumocystis jirovecii pneumonia (PJP) if they have a cluster determinant 4 (CD4) count <200 cells/mm3 or oropharyngeal candidiasis. Persons with CD4 percentage (CD4%) below 14% should also be considered for prophylaxis. Discordance between CD4 count and CD4% occurs in 16% to 25% of HIV-infected patients. Provider compliance with current PJP prophylaxis guidelines when such discordance is present was assessed. Electronic medical records of 429 HIV-infected individuals who had CD4 count and CD4% measured at our clinic were reviewed...
January 2018: Journal of the International Association of Providers of AIDS Care
Sanata Bamba, Adama Zida, Ibrahim Sangaré, Mamoudou Cissé, David W Denning, Christophe Hennequin
Because of the limited access to more powerful diagnostic tools, there is a paucity of data regarding the burden of fungal infections in Burkina Faso. The aim of this study was to estimate the incidence and prevalence of serious fungal infections in this sub-Saharan country. We primarily used the national demographic data and performed a PubMed search to retrieve all published papers on fungal infections from Burkina Faso and its surrounding West African countries. Considering the prevalence of HIV infection (0...
March 11, 2018: Journal of Fungi (Basel, Switzerland)
Elerson Gaetti-Jardim, Ellen Cristina Gaetti Jardim, Christiane Marie Schweitzer, Júlio Cesar Leite da Silva, Murilo Moura Oliveira, Danilo Chizzolini Masocatto, Cauê Monteiro Dos Santos
OBJECTIVE: This case-control study aimed to evaluate the effects of conventional radiotherapy (RT) on the prevalence and populations of oral microorganisms in head and neck cancer patients who did not receive adequate preventive dental care. It was hypothesized that side effects of radiotherapy could be associated with radiation dose, microbiological aspects, and socioeconomic conditions of the patients. DESIGN: Twenty-eight dentate patients with head and neck cancer submitted to RT were included in the study...
January 8, 2018: Archives of Oral Biology
P Kooshki, A Rezaei-Matehkolaei, A Z Mahmoudabadi
OBJECTIVE: Usually, 7-20% of preterm neonates colonized by Candida species present invasive candidiasis. Candida albicans, and several non-albicans species cause invasive infection with C. albicans being the most dominant agent. In the last two decades, infection due to non-albicans have been increased dramatically due to their low sensitivity to antifungal drugs such as fluconazole. The aim of present study was to evaluate Candida colonization pattern and antifungal susceptibility among preterm neonates from Khorramabad, South west of Iran...
March 9, 2018: Journal de Mycologie Médicale
Xiao-Yu Yu, Fei Fu, Wen-Na Kong, Qian-Kun Xuan, Dong-Hua Wen, Xiao-Qing Chen, Yong-Ming He, Li-Hua He, Jian Guo, Ai-Ping Zhou, Yang-Hong Xi, Li-Jun Ni, Yu-Feng Yao, Wen-Juan Wu
Streptococcus agalactiae and Candida albicans often co-colonize the female genital tract, and under certain conditions induce mucosal inflammation. The role of the interaction between the two organisms in candidal vaginitis is not known. In this study, we found that co-infection with S. agalactiae significantly attenuated the hyphal development of C. albicans , and that EFG1 -Hwp1 signal pathway of C. albicans was involved in this process. In a mouse model of vulvovaginal candidiasis (VVC), the fungal burden and the levels of pro-inflammatory cytokines, IL-1β, IL-6 and TNF-α showed a increase on co-infection with S...
2018: Frontiers in Microbiology
Antonio Cianci, Ettore Cicinelli, Vincenzo De Leo, Franca Fruzzetti, Maria Giulia Massaro, Alessandro Bulfoni, Fabio Parazzini, Antonio Perino
We performed a prospective cohort parallel observational study on the use of Lactobacillus plantarum P 17630 in the prevention of vaginal infections. Eligible were women with a diagnosis of bacterial vaginosis (<15 days) and documented history of recurrent vaginal infections; and/or cystitis (<15 days); and/or treatment with antibiotics for bacterial respiratory tract infections during the week before the study entry. Study subjects were prescribed Lactobacillus plantarum P 17630 > 100.000...
March 12, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
Svetlana S Efimova, Evgeny G Chulkov, Olga S Ostroumova
The effects of local anesthetics (LAs), namely, lidocaine (LDC), prilocaine (PLC), mepivacaine (MPV), bupivacaine (BPV), procaine (PC), and tetracaine (TTC), on the steady-state transmembrane conductance induced by the cis-side addition of the antifungal polyene macrolide antibiotic, nystatin (NYS), in planar lipid bilayers were studied. The addition of TTC to model membranes comprising DOPC and cholesterol (33 mol%) led to a nearly twenty-fold increase in the steady-state NYS-induced membrane conductance...
March 8, 2018: Colloids and Surfaces. B, Biointerfaces
Chang Jia, Kai Zhang, Dan Zhang, Qilin Yu, Qiang Zhao, Chenpeng Xiao, Yijie Dong, Maoping Chu, Mingchun Li
The vacuolar-type H+ -ATPase (V-ATPase) is known to be associated with various cellular processes. Several V-ATPase subunits have been identified in C. albicans. However, there are still a few V-ATPase subunits and assembly factors that remain uncharacterized. In this study, we identified one of putative V-ATPase assembly factors, Vph2, and V0 subunit, Vma6, and explored their potential functions in C. albicans. Our results revealed that Vph2 and Vma6 were required for the correct distribution of V0 subunit Vph1 and V1 subunit Tfp1...
March 6, 2018: Fungal Genetics and Biology: FG & B
Feng Zhu, Yinling Hu
A pathogenic connection between autoreactive T cells, fungal infection, and carcinogenesis has been demonstrated in studies of human autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) as well as in a mouse model in which kinase-dead Ikkα knock-in mice develop impaired central tolerance, autoreactive T cell-mediated autoimmunity, chronic fungal infection, and esophageal squamous cell carcinoma, which recapitulates APECED. IκB kinase α (IKKα) is one subunit of the IKK complex required for NF-κB activation...
March 9, 2018: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
Vadim M Kemaykin, Nariman B Tabinbaev, Mahira S Khudaibergenova, Anastasia A Olifirovich, Layzzat M Abdrakhmanova, David W Denning, Nikolai Klimko
Our work aimed to generate a preliminary estimation of severe and chronic fungal diseases in the Republic of Kazakhstan with a model proposed by LIFE (Leading International Fungal Education). Calculations were carried out on data from 2015. Published results of studies of mycoses in Kazakhstan were identified; in the absence of national data from the scientific literature, the frequency of life-threatening and serious mycoses in defined groups of patients at risk from other countries were taken into account...
March 8, 2018: Journal of Fungi (Basel, Switzerland)
Lígia de Souza Fernandes, Yuri Martins Amorim, Elton Libério da Silva, Samuel Calixto Silva, Alécia Junia Aparecida Santos, Franciele Natália Peixoto, Luara Moniele Neves Pires, Raquel Yumi Sakamoto, Flávia do Carmo Horta Pinto, Maria Virgínia Costa Scarpa, Marcelo Gonzaga de Freitas Araújo
Owing to the growing resistance among isolates of Candida species to usual antifungal agents and the well-known therapeutic potential of curcumin, the purpose of this study was to develop and validate a vaginal formulation containing this substance and to evaluating its effectiveness in the treatment of experimental vulvovaginal candidiasis METHODS: Curcumin was incorporated in a vaginal cream in three concentrations (0.01, 0.1 and 1.0%). The different concentrations of the cream and its controls were intravaginally administered in an immunosuppressed rat model to evaluate the efficacy in the treatment of experimental vulvovaginal candidiasis...
March 8, 2018: Mycoses
Marzieh Tavakol, Seyed Alireza Mahdaviani, Mir Reza Ghaemi, Mohammad Vaezi, Atosa Dorudinia, Hamidreza Jamaati, Ali Akbar Velayati
Good's syndrome, the adult onset hypogammaglobulinemia associated with thymoma has been explained about six decades ago. It generally presents with recurrent infections and several paraneoplastic syndromes including myasthenia gravis, pure red cell aplasia, connective tissue disorders, superior vena cava, Horner's syndrome, lichen planus and inflammatory bowel disease. Lack of B cell, dysfunction of T cell, CD4+ T cell lymphopenia, reversed CD4/CD8+ T cell ratio, autoantibodies against Th17 related cytokines have been respected as the pathogenesis of the immune dysregulation this syndrome...
February 2018: Iranian Journal of Allergy, Asthma, and Immunology
T Nuryastuti, S Setiawati, N Ngatidjan, M Mustofa, J Jumina, D Fitriastuti, M I Darussalam
The therapy for invasive candidiasis related to biofilms infection remains a difficult medical problem. To overcome this problem, efforts have been made to search for novel antibiofilm agents from various sources. This study investigated the in vitro antibiofilm activity of (1)-N-2-methoxybenzyl-1,10-phenanthrolinium bromide (FEN) against Candida albicans. The minimum biofilm inhibitory concentration (MBIC) and minimum biofilm reduction concentration (MBRC) were determined using the MTT (3-(4-5-dimethylthiazol-2-yl)2,5-dyphenyl tetrazolium bromide) reduction assay...
March 3, 2018: Journal de Mycologie Médicale
Sharon Daniel, Reut Rotem, Gideon Koren, Eitan Lunenfeld, Amalia Levy
BACKGROUND: Spontaneous abortions are the most common complication of pregnancy. Clotrimazole and miconazole are widely used vaginal-anti-mycotic agents used for the treatment of vulvovaginal candidiasis. A previous study has suggested an increased risk of miscarriage associated with these azoles, which may lead health professionals to refrain from their use even if clinically indicated. The aim of the current study was to assess the risk for spontaneous abortions following first trimester exposure to vaginal-anti-mycotics...
March 3, 2018: American Journal of Obstetrics and Gynecology
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