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Ludovic Enkler, Delphine Richer, Anthony L Marchand, Dominique Ferrandon, Fabrice Jossinet
Among Candida species, the opportunistic fungal pathogen Candida glabrata has become the second most common causative agent of candidiasis in the world and a major public health concern. Yet, few molecular tools and resources are available to explore the biology of C. glabrata and to better understand its virulence during infection. In this study, we describe a robust experimental strategy to generate loss-of-function mutants in C. glabrata. The procedure is based on the development of three main tools: (i) a recombinant strain of C...
October 21, 2016: Scientific Reports
Ya-Qin Tan, Jing Zhang, Gang Zhou
Macroautophagy/autophagy is a conserved lysosomal degradation process essential for cell physiology and human health. By regulating apoptosis, inflammation, pathogen clearance, immune response and other cellular processes, autophagy acts as a modulator of pathogenesis and is a potential therapeutic target in diverse diseases. With regard to oral disease, autophagy can be problematic either when it is activated or impaired, because this process is involved in diverse functions, depending on the specific disease and its level of progression...
October 20, 2016: Autophagy
Tchana Martinez Brandolt, Gabriel Baracy Klafke, Carla Vitola Gonçalves, Laura Riffel Bitencourt, Ana Maria Barral de Martinez, Josiara Furtado Mendes, Mário Carlos Araújo Meireles, Melissa Orzechowski Xavier
Vulvovaginal candidiasis (VVC) is an infection of the genital mucosa caused by different species of the genus Candida. Considering the lack of data on this topic in the south of Brazil, this study aimed to assess the prevalence of Candida spp. in the cervical-vaginal mucosa of patients treated at a university hospital in southern Rio Grande do Sul, as well as the etiology and the susceptibility of the isolates against fluconazole, itraconazole, miconazole and nystatin. Samples were collected at the gynecology clinic of the Federal Hospital of the University of Rio Grande, and the isolates were identified using phenotypic and biochemical tests...
October 4, 2016: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
Fabio de Araujo Motta, Libera Maria Dalla-Costa, Marisol Dominguez Muro, Andrea Lenzi, Gledson Luiz Picharski, Marion Burger
BACKGROUND: Candida species are the primary cause of invasive fungal infection in hospitalized children. There are few data on risk factors for postoperative candidemia in pediatric patients with congenital heart defects. This study aimed to identify risk factors for candidemia in patients with congenital heart defects who underwent cardiac surgery. METHODS: This was a case-control study conducted in patients admitted to a pediatric cardiology intensive care unit from January 2006 to December 2013...
November 2016: Pediatric Infectious Disease Journal
M H Minooeianhaghighi, L Sepehrian, H Shokri
OBJECTIVE: Recurrent vulvovaginal candidiasis (RVVC), which affects approximately 5% of women of reproductive age, is defined as 4 or more episodes of symptomatic Candida vaginitis within a year. The purposes of this study were to determine the chemical compositions and antifungal susceptibility of Cuminum cyminum (C. cyminum) and Lavandula binaludensis (L. binaludensis) essential oils and their combination against Candida albicans (C. albicans) strains isolated from patients with RVVC...
October 14, 2016: Journal de Mycologie Médicale
He Wang, Ying-Chun Xu, Po-Ren Hsueh
In the Asia-Pacific region, Candida albicans is the predominant Candida species causing invasive candidiasis/candidemia in Australia, Japan, Korea, Hong Kong, Malaysia, Singapore and Thailand whereas C. tropicalis is the most frequently encountered Candida species in Pakistan and India. Invasive isolates of C. albicans, C. parapsilosis complex and C. tropicalis remain highly susceptible to fluconazole (>90% susceptible). Fluconazole resistance (6.8-15%), isolates with the non-wild-type phenotype for itraconazole susceptibility (3...
October 18, 2016: Future Microbiology
J Anand, N Rai
The present investigation aims at evaluating synergistic herbal based composition of purified catechins with fluconazole, amphotericin B and copper sulphate against Candida albicans (MTCC 3017) and Candida glabrata (MTCC 3019). The catechins were isolated from green tea leaves of Assam, Himachal Pradesh and Uttarakhand regions of India. The synergistic activity of combinations against Candida species was assessed following microdilution checkerboard technique and time kill assay. The inhibitory action of most significant combination on treated Candida cells was assessed by scanning electron microscopy...
October 12, 2016: Journal de Mycologie Médicale
Betul Tas, Kamuran Turker, Elcin Balci
BACKGROUND: Anogenital warts (AGWs) are epithelial tumors which develop as a result of human papilloma virus (HPV) infection. We aimed to assess the sociodemographic, sexual and other possible risk-factors, and awareness of the HPV infection among Turkish people with AGW in the Bagcilar district of Istanbul. METHODS: A cross-sectional study was conducted on 273 patients (183 men, 90 women) with AGW between October 2014 - March 2015. The patients' sociodemographics were recorded along with their possible risk-factors and clinical findings...
October 2016: Archives of Iranian Medicine
L F A Guimarães, M Halpern, A S de Lemos, E F de Gouvêa, R T Gonçalves, M A A da Rosa Santos, M Nucci, G Santoro-Lopes
INTRODUCTION: Invasive fungal disease (IFD) is an important complication after solid organ transplantation (SOT). A marked geographic variation in the epidemiology of IFD after kidney transplantation (KT) has been suggested by the results of previous studies. Nevertheless, data from Latin American centers are scarce. OBJECTIVE: This study sought to describe the epidemiology of IFD at a Brazilian KT center. METHODS: This study was a retrospective single-center cohort study that included patients who underwent KT between 1998 and 2009 and were followed up until July 2015...
September 2016: Transplantation Proceedings
Francesca Deidda, Angela Amoruso, Stefania Nicola, Teresa Graziano, Marco Pane, Serena Allesina, Elisabetta Raiteri, Mario Del Piano, Luca Mogna
GOALS: To investigate the possible use of Lactobacillus strains in the prophylaxis and/or adjuvant therapy of acute vulvovaginal candidiasis and other vaginal infections sustained by Candida yeasts. BACKGROUND: The incidence of Candida infections has substantially increased in recent years. Treatment of vaginal infections with lactobacilli has a long tradition, starting with Döderlein's description of the vaginal microbiota. MATERIALS AND METHODS: We assessed the activity of serially diluted fluconazole and miconazole (from 3 ng/mL to 1 mg/mL) against Candida strains...
November 2016: Journal of Clinical Gastroenterology
Jose Antonio Reales-Calderón, Catarina Vaz, Lucía Monteoliva, Gloria Molero, Concha Gil
The effectiveness of macrophages in the response to systemic candidiasis is crucial to an effective clearance of the pathogen. The secretion of proteins, mRNAs, non-coding RNAs and lipids through extracellular vesicles (EVs) is one of the mechanisms of communication between immune cells. EVs change their cargo to mediate different responses, and may play a role in the response against infections. Thus, we have undertaken the first quantitative proteomic analysis on the protein composition of THP1 macrophages-derived EVs during the interaction with Candida albicans...
October 14, 2016: Journal of Proteome Research
Niran J Amar, Tulin Shekar, Tracey A Varnell, Anish Mehta, George Philip
OBJECTIVES: Mometasone furoate (MF), delivered via dry-powder inhaler (DPI) QD in the evening (PM), is a treatment option for pediatric patients with asthma. We evaluated MF delivered via a metered-dose inhaler (MDI), in children ages 5-11 years with persistent asthma. METHODS: This was a 12-week double-blind, double-dummy, placebo-controlled trial. Pateints were randomized to the following treatments: MF-MDI 50 mcg BID, MF-MDI 100 mcg BID, MF-MDI 200 mcg BID, MF-DPI 100 mcg QD PM, and placebo...
October 14, 2016: Pediatric Pulmonology
G S Tansarli, T Skalidis, N J Legakis, M E Falagas
Bacterial vaginosis (BV), candidiasis, and trichomoniasis were the three established types of vaginal conditions until aerobic vaginitis (AV) was defined in the early 2000s. We sought to study the prevalence of abnormal vaginal flora (AVF) with inflammation in our hospital and to correlate it with AV. We prospectively collected vaginal smear specimens originated from symptomatic women who were examined at Iaso Obstetrics, Gynecology and Children's Hospital of Athens from April 2014 until September 2015. Amsel's criteria were used for the diagnosis of BV...
October 13, 2016: European Journal of Clinical Microbiology & Infectious Diseases
Babita Aneja, Mohammad Irfan, Charu Kapil, Mohamad Aman Jairajpuri, Ronan Maguire, Kevin Kavanagh, M Moshahid A Rizvi, Nikhat Manzoor, Amir Azam, Mohammad Abid
The increasing incidence of human candidiasis and the tendency of Candida species to become resistant to existing chemotherapies are well-recognized health problems. The present study demonstrates the successful synthesis of novel triazole-amino acid hybrids with potent in vitro and in vivo inhibitory activity against Candida species. Particularly, compounds 68 and 70 showed potent in vitro activity against fluconazole (FLC) resistant as well as sensitive clinical isolates of Candida albicans. Time kill curve analysis of lead inhibitors 68 and 70 showed their fungistatic nature...
October 13, 2016: Organic & Biomolecular Chemistry
In-Ho Kim, Jae-Ki Choi, Dong-Gun Lee, In Seok Lee, Tae Ho Hong, Young Kyoung You, Ho Jong Chun, Myung Ah Lee
BACKGROUND: The frequency of isolated biliary candidiasis is increasing in cancer patients. The clinical significance of isolated biliary candidiasis remains unclear. We analyzed the risk factors of biliary candidiasis and outcomes of the patients with unresectable cholangiocarcinoma after percutaneous transhepatic biliary drainage (PTBD). METHODS: Among 430 patients who underwent PTBD between January 2012 and March 2015, 121 patients had unresectable cholangiocarcinoma...
October 2016: Hepatobiliary & Pancreatic Diseases International: HBPD INT
Dubey Shubham, Dhawale Rg, Dubey A, Patel J
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Felipe de Camargo Ribeiro, Patricia Pimentel de Barros, Rodnei Dennis Rossoni, Juliana Campos Junqueira, Antonio Olavo Cardoso Jorge
AIM: The aim of this study was to evaluate the potential anti-Candida effects of Lactobacillus rhamnosus ATCC 9595 on C. albicans ATCC 18804 using in vitro and in vivo models. METHODS AND RESULTS: The in vitro analysis evaluated the effects of L. rhamnosus on C. albicans's biofilm formation by CFU count and metabolic activity, filamentation capacity, and adhesion (ALS3 and HWP1) and transcriptional regulatory gene (BCR1 and CPH1) expression. The in vitro results showed that both the L...
October 11, 2016: Journal of Applied Microbiology
Dhammika H M L P Navarathna, Ruvini U Pathirana, Michail S Lionakis, Kenneth W Nickerson, David D Roberts
Formation of chlamydospores by Candida albicans was an established medical diagnostic test to confirm candidiasis before the molecular era. However, the functional role and pathological relevance of this in vitro morphological transition to pathogenesis in vivo remain unclear. We compared the physical properties of in vitro-induced chlamydospores with those of large C. albicans cells purified by density gradient centrifugation from Candida-infected mouse kidneys. The morphological and physical properties of these cells in kidneys of mice infected intravenously with wild type C...
2016: PloS One
X Lyu, C Zhao, Z M Yan, H Hua
Objective: To explore a simple, rapid and efficient method for the diagnosis of oral candidiasis in clinical practice. Methods: Totally 124 consecutive patients with suspected oral candidiasis were enrolled from Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing, China. Exfoliated cells of oral mucosa and saliva or concentrated oral rinse) obtained from all participants were tested by three rapid smear methods(10% KOH smear, gram-stained smear, Congo red stained smear)...
October 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
Daniela Araújo, Mariana Henriques, Sónia Silva
Most cases of candidiasis have been attributed to Candida albicans, but Candida glabrata, Candida parapsilosis and Candida tropicalis, designated as non-C. albicans Candida (NCAC), have been identified as frequent human pathogens. Moreover, Candida biofilms are an escalating clinical problem associated with significant rates of mortality. Biofilms have distinct developmental phases, including adhesion/colonisation, maturation and dispersal, controlled by complex regulatory networks. This review discusses recent advances regarding Candida species biofilm regulatory network genes, which are key components for candidiasis...
October 4, 2016: Trends in Microbiology
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