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Superficial mycoses

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https://www.readbyqxmd.com/read/28513812/common-dermatophytes-and-in-vitro-anti-fungal-susceptibility-testing-in-patients-attending-the-dermatological-clinic-at-the-hospital-for-tropical-medicine-bangkok
#1
Watcharamat Muangkaew, Thanwa Wongsuk, Natthanej Luplertlop
Dermatophytes comprising the genera Trichophyton, Microsporum, and Epidermophyton are important causes of superficial mycoses. The number of infected patients and the distribution of species of these organisms in our hospital were unknown. We therefore aimed to investigate the clinical pattern of dermatophyte infections and to identify the species of these dermatophytes at the Dermatological Clinic of the Hospital for Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok in a 1-year period...
May 17, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28462859/exfoliative-erythroderma-and-palmoplantar-hyperkeratosis-associated-with-majocchi-s-granuloma-by-trichophyton-tonsurans-in-a-patient-with-aids
#2
Marcelo R Lyra, Bruna Muniz Álvarez, Andrea L Lanziano, Maria Auxiliadora A Imbeth, Adriana M Sá, Tullia Cuzzi, Jeferson C Oliveira, Armando O Schubach
BACKGROUND: Dermatophytoses are skin superficial mycoses in which clinical manifestations are directly related to the virulence of the infecting microorganism or the host immunity. CASE REPORT: We describe a severe case of dermatophytosis associated with exfoliative erythroderma, substantial palmoplantar keratoderma, onychodystrophy affecting all nails, diffuse non-scarring alopecia and tissue fungal invasion by Trichophyton tonsurans, which led us to the diagnosis of AIDS...
April 24, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28342778/-the-burden-of-fungal-infections-in-algeria
#3
REVIEW
M Chekiri-Talbi, D W Denning
In Algeria, superficial mycoses are very commonly diagnosed. Deep fungal infections are less often observed. Few data from Algeria are found in the literature. We report for the first time the main causes of these diseases in our country and provide burden estimates. We searched for existing data and estimated the incidence and prevalence of fungal diseases based on the population at risk and available epidemiological data. Demographic data were derived from the Service (Office) of the Statistics (ONES), World Health Organization (WHO), The Joint Nations Programme on HIV/AIDS (UNAIDS) and national published reports...
March 22, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28236353/evaluation-of-growth-conditions-and-dna-extraction-techniques-used-in-the-molecular-analysis-of-dermatophytes
#4
S Gnat, A Nowakiewicz, G Ziółkowska, A Trościańczyk, B Majer-Dziedzic, P Zięba
AIMS: Recent molecular methods for diagnosis of superficial mycoses have determined the need for a rapid and easy method of extracting DNA. The aim of study was to determine growth conditions and techniques of DNA extraction for Microsporum canis, Trichophyton mentagrophytes and T. verrucosum. METHODS AND RESULTS: Samples were prepared of each of the DNA extraction methods (phenol-chloroform, CTAB and four different kits) for all of the incubation periods (4, 7 and 10 days) of the cultures on the solid and in the liquid medium...
February 25, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28220547/identification-and-molecular-epidemiology-of-dermatophyte-isolates-by-repetitive-sequence-pcr-based-dna-fingerprinting-using-the-diversilab-system-in-turkey
#5
A Nedret Koc, Mustafa A Atalay, Melek Inci, Fatma M Sariguzel, Hafize Sav
Dermatophyte species, isolation and identification in clinical samples are still difficult and take a long time. The identification and molecular epidemiology of dermatophytes commonly isolated in a clinical laboratory in Turkey by repetitive sequence-based PCR (rep-PCR) were assessed by comparing the results with those of reference identification. A total of 44 dermatophytes isolated from various clinical specimens of 20 patients with superficial mycoses in Kayseri and 24 patients in Hatay were studied. The identification of dermatophyte isolates was based on the reference identification and rep-PCR using the DiversiLab System (BioMerieux)...
May 2017: Mycoses
https://www.readbyqxmd.com/read/28161744/burden-of-serious-fungal-infections-in-bangladesh
#6
H C Gugnani, D W Denning, R Rahim, A Sadat, M Belal, M S Mahbub
In Bangladesh there are several published papers on superficial mycoses. Deep mycoses are also recognized as an important emerging problem. Here, we estimate the annual incidence and prevalence of serious fungal infections in Bangladesh. Demographic data were obtained from world population reports and the data on TB and HIV extracted from the online publications on tuberculosis in Bangladesh and Asia Pacific research statistical data information resources AIDS Data HUB. All the published papers on fungal infections in Bangladesh were identified through extensive search of literature...
February 4, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28003819/clinicomycological-characterization-of-superficial-mycoses-from-a-tertiary-care-hospital-in-nepal
#7
Sundar Khadka, Jeevan Bahadur Sherchand, Dinesh Binod Pokharel, Bharat Mani Pokhrel, Shyam Kumar Mishra, Subhash Dhital, Basista Rijal
Background. Superficial mycosis is a common fungal infection worldwide, mainly caused by dermatophytes. However, the prevalence of species varies geographically. In addition, fungal treatment is best guided according to species isolated. This study was carried out to determine the clinical as well as mycological profile of superficial mycoses in a tertiary care hospital, Nepal. Methods. This was a prospective case-control laboratory based study conducted over a period of six months from January to June 2014 at Tribhuvan University Teaching Hospital, Nepal...
2016: Dermatology Research and Practice
https://www.readbyqxmd.com/read/27822542/rna-sequencing-based-genome-reannotation-of-the-dermatophyte-arthroderma-benhamiae-and-characterization-of-its-secretome-and-whole-gene-expression-profile-during-infection
#8
Van Du T Tran, Niccolò De Coi, Marc Feuermann, Emanuel Schmid-Siegert, Elena-Tatiana Băguţ, Bernard Mignon, Patrice Waridel, Corinne Peter, Sylvain Pradervand, Marco Pagni, Michel Monod
Dermatophytes are the most common agents of superficial mycoses in humans and animals. The aim of the present investigation was to systematically identify the extracellular, possibly secreted, proteins that are putative virulence factors and antigenic molecules of dermatophytes. A complete gene expression profile of Arthroderma benhamiae was obtained during infection of its natural host (guinea pig) using RNA sequencing (RNA-seq) technology. This profile was completed with those of the fungus cultivated in vitro in two media containing either keratin or soy meal protein as the sole source of nitrogen and in Sabouraud medium...
July 2016: MSystems
https://www.readbyqxmd.com/read/27770757/the-mycobiome-%C3%A2-a-friendly-cross-talk-between-fungal-colonizers-and-their-host
#9
REVIEW
Dworecka-Kaszak Bożena, Dąbrowska Iwona, Kaszak Ilona
The organisms colonizing a living host create together with their host a holobiome. The holobioms are networks of mutualistic interactions between host`s cells and microorganisms communities. The fungi are among these microorganisms and have been also well known to infect human and animals. These organisms are associated with a wide range of diseases as superficial or systemic mycoses. Fungi as colonizers can also modify host physiology and metabolism, energy acquisition, vitamin-cofactor availability, development and function of immune system, and even host behavior...
October 1, 2016: Annals of Parasitology
https://www.readbyqxmd.com/read/27663203/epidemiology-and-fungal-species-distribution-of-superficial-mycoses-in-northeast-brazil
#10
W P Silva-Rocha, M F de Azevedo, G M Chaves
OBJECTIVE: Dermatomycoses are superficial fungal infections which affect the skin, hair and nails of humans and animals. Male and female patients of all ages are affected by this condition. The main etiological agents of dermatomycoses are the dermatophytes fungi of the genera Trichophyton, Microsporum and Epidermophyton, while the main yeasts belong to the genera Candida, Malassezia and Trichosporon. The variation in the distribution of dermatomycoses worldwide justify the conduction of epidemiological studies in order to contribute for the better understanding of patterns of mycological cutaneous infections...
September 20, 2016: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/27592054/-causative-agents-of-superficial-mycoses-isolated-in-dakar-senegal-retrospective-study-from-2011%C3%A2-to-2015
#11
K Diongue, M A Diallo, M Ndiaye, A S Badiane, M C Seck, A Diop, Y D Ndiaye, D Ndiaye
INTRODUCTION: Superficial fungal infections, particularly of the skin, scalp and nails are very common and have been reported worldwide. The most common causative agents of these mycoses are dermatophytes, yeasts and molds. However, these agents vary with time and depend on many factors including the geography. The objective of this study was to identify the causative agents of superficial mycoses diagnosed at the Le Dantec University Hospital in Dakar (Senegal). MATERIAL AND METHODS: The study concerned 1851 outpatients received in the parasitological and mycological laboratory of Le Dantec hospital during the period from January 2011 to December 2015...
December 2016: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/27546890/-from-guinea-pig-to-man-tinea-outbreak-due-to-trichophyton-mentagrophytes-var-porcellae-in-pet-shops-in-nancy-france
#12
M Bloch, R Cavignaux, A Debourgogne, J Dorin, M Machouart, N Contet-Audonneau
Dermatophytes are responsible for widespread superficial fungal infections, currently representing a real public health problem. Some of the fungi involved in these mycoses are transmitted by pets, illustrating great host specificity within this fungal group. Thus, a new variety of zoophilic dermatophyte has been described in recent years by the Mycology Laboratory of the University Hospital of Nancy, within the complex T. mentagrophytes. This variant was named T. mentagrophytes var. porcellae, following the observation of a significant number of patients with dermatomycoses of exposed parts of the body and having had contact with a guinea pig...
September 2016: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/27435975/genetic-manipulations-in-dermatophytes
#13
REVIEW
Mohamed Mahdi Alshahni, Tsuyoshi Yamada
Dermatophytes are a group of closely related fungi that nourish on keratinized materials for their survival. They infect stratum corneum, nails, and hair of human and animals, accounting the largest portion of fungi causing superficial mycoses. Huge populations are suffering from dermatophytoses, though the biology of these fungi is largely unknown yet. Reasons are partially attributed to the poor amenability of dermatophytes to genetic manipulation. However, advancements in this field over the last decade made it possible to conduct genetic studies to satisfying extents...
February 2017: Mycopathologia
https://www.readbyqxmd.com/read/27411685/-treatment-of-dermatoses-significance-and-use-of-glucocorticoids-in-fixed-combination-with-antifungals
#14
REVIEW
P Mayser
Treating eczema with fungal and/or bacterial superinfections or superficial mycoses are a common problem in daily practice. A fungal superinfection as a consequence of a diminished skin barrier might complicate the course of eczema. In addition, in an inflammatory superficial mycotic infection a delayed-type hypersensitivity reaction may result in healing of the lesion, but might also be responsible for irreversible damage of epidermal structures. An example is permanent hair loss by scarring alopecia in the context of inflammatory tinea capitis...
September 2016: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/27398381/patterns-of-skin-disease-in-a-sample-of-the-federal-prison-population-a-retrospective-chart-review
#15
Geneviève Gavigan, Alana McEvoy, James Walker
BACKGROUND: Dermatology in vulnerable populations is under-researched. Our objective was to analyze the most commonly referred skin diseases affecting the Correctional Service Canada inmates in Ontario. METHODS: An observational, cross-sectional, retrospective chart review of inmate patients seen from 2008 until 2013 was performed. Two groups of patients were included in the analysis: those assessed in-person, and those evaluated by e-consult. RESULTS: In the in-person patient group, the 3 most common diagnoses were acne, psoriasis and other superficial mycoses...
April 2016: CMAJ Open
https://www.readbyqxmd.com/read/27382801/-superficial-mycoses-casuistry-of-the-mycology-department-of-the-instituto-nacional-de-higiene-rafael-rangel-caracas-venezuela-2001-2014
#16
Ana María Capote, Giuseppe Ferrara, María Mercedes Panizo, Nataly García, Víctor Alarcón, Vera Reviakina, Maribel Dolande
The superficial mycoses are very common infectious diseases and therefore are a frequent reason for medical consultation. The aim of this study was to determine the diagnostic frequency of superficial mycoses in the Mycology Department of the Instituto Nacional de Higiene "Rafael Rangel" during 14 years (2001-2014). A retrospective cross-sectional study was performed to review the mycological records of patients with presumptive diagnosis of superficial mycosis. Nails, hairs and epidermal scales were the processed samples...
March 2016: Investigación Clínica
https://www.readbyqxmd.com/read/27312145/immunoproteomics-of-aspergillus-for-the-development-of-biomarkers-and-immunotherapies
#17
Olaf Kniemeyer, Frank Ebel, Thomas Krüger, Petra Bacher, Alexander Scheffold, Ting Luo, Maria Strassburger, Axel A Brakhage
Filamentous fungi of the genus Aspergillus play significant roles as pathogens causing superficial and invasive infections as well as allergic reactions in humans. Particularly invasive mycoses caused by Aspergillus species are characterized by high mortality rates due to difficult diagnosis and insufficient antifungal therapy. The application of immunoproteomic approaches has a great potential to identify new targets for the diagnosis, therapy, and vaccine development of diseases caused by Aspergillus species...
October 2016: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/27226766/heat-shock-proteins-in-dermatophytes-current-advances-and-perspectives
#18
Nilce M Martinez-Rossi, Tiago R Jacob, Pablo R Sanches, Nalu T A Peres, Elza A S Lang, Maíra P Martins, Antonio Rossi
Heat shock proteins (HSPs) are proteins whose transcription responds rapidly to temperature shifts. They constitute a family of molecular chaperones, involved in the proper folding and stabilisation of proteins under physiological and adverse conditions. HSPs also assist in the protection and recovery of cells exposed to a variety of stressful conditions, including heat. The role of HSPs extends beyond chaperoning proteins, as they also participate in diverse cellular functions, such as the assembly of macromolecular complexes, protein transport and sorting, dissociation of denatured protein aggregates, cell cycle control, and programmed cell death...
April 2016: Current Genomics
https://www.readbyqxmd.com/read/27193417/superficial-mycoses-associated-with-diaper-dermatitis
#19
REVIEW
Alexandro Bonifaz, Rubí Rojas, Andrés Tirado-Sánchez, Dinora Chávez-López, Carlos Mena, Luz Calderón, Ponce-Olivera Rosa María
Diapers create particular conditions of moisture and friction, and with urine and feces come increased pH and irritating enzymes (lipases and proteases). Fungi can take advantage of all these factors. Candida yeasts, especially C. albicans, are responsible for the most frequent secondary infections and are isolated in more than 80 % of cases. Correct diagnosis is important for ensuring the correct prescription of topical antimycotics. Nystatin, imidazoles and ciclopirox are effective. It is important to realize there are resistant strains...
October 2016: Mycopathologia
https://www.readbyqxmd.com/read/27092733/selected-essential-oils-as-antifungal-agents-against-antibiotic-resistant-candida-spp-in-vitro-study-on-clinical-and-food-borne-isolates
#20
Katarzyna Rajkowska, Alina Kunicka-Styczyńska, Marta Maroszyńska
Candida spp. cause significant health problems, inducing various types of superficial and deep-seated mycoses in humans. As a result of the increasing antibiotic resistance among pathogenic yeasts, the interest in alternative agents of antifungal activity is growing. This study evaluated the antimicrobial activity of selected essential oils (EOs) against Candida clinical and food-borne strains, including antibiotic-resistant isolates, in relation to yeast cell surface hydrophobicity (CSH). Candida strains showed different range of susceptibility to tea tree, thyme, peppermint, and clove oils, and peppermint oil demonstrated the lowest anticandidal activity with minimal inhibitory concentrations (MICs) of 0...
January 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
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