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Fernanda Alves, Juliana Cabrini Carmello, Ewerton Garcia de Oliveira Mima, Carlos Alberto de Souza Costa, Vanderlei Salvador Bagnato, Ana Cláudia Pavarina
This study evaluated the efficacy of antimicrobial Photodynamic Therapy (aPDT) against fluconazole-resistant Candida albicans in a murine model of oral candidosis. Mice were inoculated with two clinical isolates (R10, R15) and one reference strain (ATCC) of resistant C. albicans to produce oral candidosis. After inoculation, aPDT mediated by Photodithazine® (PDZ) and LED light was performed. The use of PDZ or light only was also investigated. Additional animals were treated with Nystatin (NYS). Untreated or healthy mice were also evaluated...
October 18, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
Gilbert G G Donders, Svitrigaile Grinceviciene, Gert Bellen, Kateryna Ruban
OBJECTIVE: Although most women on fluconazole maintenance therapy for recurrent vulvovaginal candidosis experience a substantial improvement in quality of life, some do not respond to therapy. Is candidal colonization of extragenital sites related to suboptimal response to maintenance therapy? PATIENTS AND METHODS: Women included in a multicenter follow-up study (ReCiDiF) were evaluated for clinical signs and presence of yeasts in nose, mouth, anus, perineum, and urine...
November 2018: Diagnostic Microbiology and Infectious Disease
R Rautemaa-Richardson, V Rautemaa, F Al-Wathiqi, C B Moore, L Craig, T W Felton, E G Muldoon
Objectives: A concise invasive candidosis guideline (based on the ESCMID candidaemia guideline) utilizing an informative biomarker [serum β-1-3-d-glucan (BDG)] was developed in 2013 by an antifungal stewardship (AFS) team and implemented with the help of an AFS champion in 2014. The main aims of the AFS programme were to reduce inappropriate use of antifungals and improve patient outcomes. The aim of this project was to evaluate the compliance of the ICU teams with the invasive candidosis guideline and the impact of the AFS programme on mortality and antifungal consumption on the ICUs (total of 71 beds)...
September 24, 2018: Journal of Antimicrobial Chemotherapy
Jackie Sherrard, Janet Wilson, Gilbert Donders, Werner Mendling, Jørgen S Jensen
Four common pathological conditions are associated with vaginal discharge: bacterial vaginosis, aerobic vaginitis, candidosis, and the sexually transmitted infection, trichomoniasis. Chlamydial or gonococcal cervical infection may result in vaginal discharge. Vaginal discharge may be caused by a range of other physiological and pathological conditions including atrophic vaginitis, desquamative inflammatory vaginitis, cervicitis, and mucoid ectopy. Psychosexual problems may present with recurrent episodes of vaginal discharge and vulval burning...
July 27, 2018: International Journal of STD & AIDS
Gilbert G G Donders, Gert Bellen, Kateryna S Ruban
Localized provoked vulvodynia (LPV) causes introital dyspareunia in up to 14% of premenopausal women. Vaginal infections like candidosis may play a initiating role. The aim of this study was to test a possible association of vaginal microbiota alternations such as Candida vaginitis (CV), aerobic vaginitis (AV) and bacterial vaginosis (BV) with severity of vulvodynia and painful intercourse. In an observational study, Q-tip touch test (score 1 (no pain) to 10 (worst possible pain)) was performed on seven vestibular locations in 231 LPV patients presenting in the Vulvovaginal Disease Clinics in Tienen, Leuven and Antwerp, Belgium...
June 22, 2018: European Journal of Clinical Microbiology & Infectious Diseases
Pauline Dartevelle, Claire Ehlinger, Abdurraouf Zaet, Christian Boehler, Morgane Rabineau, Benoit Westermann, Jean-Marc Strub, Sarah Cianferani, Youssef Haïkel, Marie-Hélène Metz-Boutigue, Céline Marban
The excessive use of antifungal agents, compounded by the shortage of new drugs being introduced into the market, is causing the accumulation of multi-resistance phenotypes in many fungal strains. Consequently, new alternative molecules to conventional antifungal agents are urgently needed to prevent the emergence of fungal resistance. In this context, Cateslytin (Ctl), a natural peptide derived from the processing of Chromogranin A, has already been described as an effective antimicrobial agent against several pathogens including Candida albicans...
June 18, 2018: Scientific Reports
A W Barrett
No abstract text is available yet for this article.
June 8, 2018: British Dental Journal
Shankargouda Patil, Barnali Majumdar, Sachin C Sarode, Gargi S Sarode, Kamran H Awan
Oropharyngeal candidosis (OPC) is an opportunistic fungal infection that is commonly found in HIV-infected patients, even in the twenty-first century. Candida albicans is the main pathogen, but other Candida species have been isolated. OPC usually presents months or years before other severe opportunistic infections and may indicate the presence or progression of HIV disease. The concept of OPC as a biofilm infection has changed our understanding of its pathobiology. Various anti-fungal agents (both topical and systemic) are available to treat OPC...
2018: Frontiers in Microbiology
Barbara Carey, Jonathan Lambourne, Stephen Porter, Tim Hodgson
Chronic mucocutaneous candidiasis (CMC) is a heterogenous group of primary immunodeficiency diseases characterised by susceptibility to chronic or recurrent superficial Candida infection of skin, nails and mucous membranes. Gain-of-function mutations in the STAT1 gene (STAT1-GOF) are the most common genetic aetiology for CMC, and mutation analysis should be considered. These mutations lead to defective responses in Type 1 and Type 17 helper T cells (Th1 and Th17), which, depending on the mutation, also predispose to infection with Staphylococci, Mycobacteria and Herpesviridae...
April 27, 2018: Oral Diseases
Francis Marchal
Rhinology : balloon sinuplasty and its potential commercial links ; factors of recurrence of sinunasal polyposis ; olfactory dysfunction and biofilms. Otology : effect of music and headphones on children ; vaccination and otitis media. Pharyngo-laryngology : interest of DISE (Drug Induce Sleep Endoscopy) in case of Sleep Apnea Syndrome; adenotonsillectomy and interest of robotic surgery.Salivary glands : presence of Helicobacter pylori in buccal cavity ; pepsin testing in saliva in case of reflux ; antibacterial effect of xylitol ; interest of propolis in treating candidosis...
April 25, 2018: Revue Médicale Suisse
Natalie Matthews, Vivian Wong, Joe Brooks, George Kroumpouzos
Vulvovaginal conditions are common in mature women. This reflects age-related changes in immunity and skin barrier function of vulvovaginal tissues. Vaginal atrophy is commonly complicated by dryness and inflammation, which makes postmenopausal atrophic vaginitis a virtually ubiquitous condition. The differential of vaginitis includes inflammatory, infectious, and malignant diseases, plus drug hypersensitivity. Atrophic vaginitis is treated with estrogen replacement therapy. Vulvovaginal malignant melanoma occurs predominantly in postmenopausal women and carries a poor prognosis...
March 2018: Clinics in Dermatology
Ana S Oliveira, José Martinez-de-Oliveira, Gilbert G G Donders, Rita Palmeira-de-Oliveira, Ana Palmeira-de-Oliveira
As an opportunistic fungal pathogen Candida spp. has the ability to form biofilms. The most prescribed drugs for Candida infections, azoles, have shown to be less effective when biofilms are present. In addition, increasing treatment costs and the fact that most prescribed antifungal drugs have only fungistatic activity justify the search for new treatment strategies. One promising approach is third generation antidepressants, selective serotonin re-uptake inhibitors (SSRIs), because of their proven antifungal activity against several Candida spp...
August 2018: Medical Microbiology and Immunology
Rogelio de J Treviño-Rangel, José F Espinosa-Pérez, Hiram Villanueva-Lozano, Alexandra M Montoya, Angel Andrade, Alexandro Bonifaz, Gloria M González
Candida bracarensis is an emerging cryptic species within the Candida glabrata clade. To date, little is known about its epidemiology, virulence, and antifungal susceptibility. This study documents the occurrence of C. bracarensis for the first time in Mexico and focuses on its in vitro production of hydrolytic enzymes, as well as antifungal susceptibility to echinocandins. This strain was isolated from a vaginal swab of a female with vulvovaginal candidosis; exhibited a very strong activity of aspartyl proteinase, phospholipase, and hemolysin; and was susceptible to caspofungin, anidulafungin, and micafungin (MIC = 0...
July 2018: Folia Microbiologica
Carolina Sanitá Tafner Ferreira, Márcia Guimarães da Silva, Letícia Gomes de Pontes, Lucilene Delazari Dos Santos, Camila Marconi
OBJECTIVES: The aim of the study was to compare, using a proteomic approach, cervicovaginal fluid (CVF) proteins of women with bacterial vaginosis (BV) with those presenting normal microbiota. MATERIALS AND METHODS: A total of 309 reproductive-aged women were cross-sectionally enrolled. Participants were tested for vaginal candidosis, Trichomonas vaginalis, Chlamydia trachomatis, and Neisseria gonorrhoeae and excluded if positive. Vaginal microbiota was classified microscopically according to Nugent criteria in normal, intermediate, and BV...
April 2018: Journal of Lower Genital Tract Disease
Daniel J Morse, Melanie J Wilson, Xiaoqing Wei, Michael A O Lewis, David J Bradshaw, Craig Murdoch, David W Williams
PURPOSE: In vitro analyses of virulence, pathogenicity and associated host cell responses are important components in the study of biofilm infections. The Candida-related infection, denture-associated oral candidosis, affects up to 60 % of denture wearers and manifests as inflammation of palatal tissues contacting the denture-fitting surface. Commercially available three-dimensional tissue models can be used to study infection, but their use is limited for many academic research institutions, primarily because of the substantial purchase costs...
March 2018: Journal of Medical Microbiology
Gilbert Gerard Ghislain Donders, G Bellen, Kateryna Ruban, Ben Van Bulck
BACKGROUND: Recurrent vulvovaginal infections are a frequent complaint in young women in need of contraception. However, the influence of the contraceptive method on the course of the disease is not well known. AIM: To investigate the influence of the levonorgestrel-releasing intrauterine-system (LNG-IUS) on the vaginal microflora. METHODS: Short-term (3 months) and long-term (1 to 5 years) changes of vaginal microbiota were compared with pre-insertion values in 252 women presenting for LNG-IUS insertion...
March 2018: Journal of Medical Microbiology
C Gökmenoglu, N B Kara, M Beldüz, A Kamburoğlu, I Tosun, E Sadik, C Kara
AIMS: Candida albicans adhesion to any oral substrata is the first and essential stage in forming a pathogenic fungal biofilm. In general, yeast cells have remarkable potential to adhere to host surfaces, such as teeth or mucosa, and to artificial, non-biological surfaces, such as dental materials. C. albicans adhesion to denture materials is widely recognized as the main reason for the development of stomatitis. This study compared the susceptibility of different parts of the implant system with C...
January 2018: Nigerian Journal of Clinical Practice
Elisa Serra, Lilia Araida Hidalgo-Bastida, Joanna Verran, David Williams, Sladjana Malic
Management of oral candidosis, most frequently caused by Candida albicans , is limited due to the relatively low number of antifungal drugs and the emergence of antifungal tolerance. In this study, the antifungal activity of a range of commercial essential oils, two terpenes, chlorhexidine and triclosan was evaluated against C. albicans in planktonic and biofilm form. In addition, cytotoxicity of the most promising compounds was assessed using murine fibroblasts and expressed as half maximal inhibitory concentrations (IC50)...
January 25, 2018: Pathogens
N V Vasilyeva, E R Raush, M V Rudneva, T S Bogomolova, A E Taraskina, Yong Fang, Fengmin Zhang, N N Klimko
A multicenter prospective epidemiological survey on the etiologic agents of invasive candidosis was conducted in Russia in the period of 2012-2014. Samples were collected from 284 patients with invasive candidosis and Candida species isolated by culture. The species were identified by DNA sequencing and MALDI-TOF massspectrometry. A total of 322 isolates were recovered, in which 96% of Сandida species belonged to six major species, namely, C. albicans (43.2%), C. parapsilosis (20.2%), C. glabrata (11.5%), C...
February 2018: Frontiers of Medicine
Barbara D Modrzewska, Anna J Kurnatowska,, Katarzyna Khalid
Candida species can be a reason of infections associated with high morbidity and mortality. The risk of invasive candidosis for patients admitted to intensive care units (ICUs) is increased due to immunosuppressive states, prolonged length of stay, broad-spectrum antibiotics and Candida colonization. The aim of the study was to determine selected properties of fungi isolated from patients treated in the ICUs of hospitals in Lodz. The materials were collected from the oral cavity, the tracheostomy or endotracheal tube and urine from 16 children and 35 adult...
2017: Annals of Parasitology
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