Comparative analysis of Gram’s method and PAS for the identification of Candida spp. samples from the oral mucosa

Conclusion: Gram was an adequate method; however more intensive professional training would be necessary to identify the fungus morphological structures. Although Pap test is the most common method of routine cytopathologic examination, for candidiasis diagnosis PAS staining is also recommended. Thus, it is suggested that candidiasis diagnosis should be accomplished by clinical evaluation in association with cytopathological analysis based on the identification of hyphae and/or pseudohyphae. Introdução: Espécies de Candida fazem parte da microbiota normal de indivíduos sadios, residindo como comensais. Entretanto, podem tornar-se patogênicas caso ocorram alterações nos mecanismos de defesa do hospedeiro ou comprometimento das barreiras anatômicas. A candidíase é a infecção fúngica mais frequente na mucosa oral, causada principalmente pela Candida albicans. O diagnóstico baseia-se nos aspectos clínicos e nos sintomas, em conjunto com os métodos laboratoriais. Objetivos: Avaliar a sensibilidade e a especificidade do método de Gram na identificação da Candida spp. em raspados de mucosa oral e avaliar o grau de concordância entre os métodos clínico e citopatológico no diagnóstico de candidíase oral. Material e métodos: Teste cego de 171 esfregaços, provenientes dos pacientes atendidos no Hospita...
Source: Jornal Brasileiro de Patologia e Medicina Laboratorial - Category: Pathology Source Type: research

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Conclusion: Our results demonstrated clinical epidemiology of various Candida species from cutaneous candidiasis distributed in new molecular types with increasing importance of drug resistant of non-albicans Candida species. Our results showed that drug susceptibility and genetic variability of Candida species may be attributed to their clinical features and source of isolation. PMID: 31719957 [PubMed]
Source: Iranian Journal of Microbiology - Category: Microbiology Tags: Iran J Microbiol Source Type: research
The incidence and prevalence of serious fungal infections is rising, especially in immunosuppressed individuals. Moreover, co-administration of antibiotics and immunosuppressants has driven the emergence of new multidrug-resistant pathogens. The significant increase of multidrug-resistant pathogens, together with their ability to form biofilms, is associated with morbidity and mortality. Research on novel synthetically prepared immunomodulators as potential antifungal immunotherapeutics is of serious interest. Our study demonstrated the immunobiological activity of synthetically prepared biotinylated mannooligosaccharides ...
Source: Frontiers in cellular and infection microbiology - Category: Microbiology Source Type: research
Publication date: December 2019Source: Journal of Global Antimicrobial Resistance, Volume 19Author(s): Malini R. Capoor, Chinari P. Subudhi, Andrew Collier, Abhijit M. BalAbstractAntimicrobial resistance is a global threat. To counter the growing menace of antibiotic resistance, several stewardship initiatives have been incorporated as part of the overarching strategy of healthcare delivery. In contrast, antifungal stewardship (AFS) has attracted less attention for several reasons, such as limited antifungal resistance and the lesser burden of fungal infections compared with bacterial infections. However, the emergence of ...
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research
Purpose of review Invasive fungal infections (IFIs) most often occur secondary to acquired immunodeficiency states such as transplantation, AIDS or immune-modulatory treatment for neoplastic and autoimmune disorders. Apart from these acquired conditions, several primary immunodeficiency disorders (PIDs) can present with IFIs in the absence of iatrogenic immunosuppression. This review highlights recent advances in our understanding of PIDs that cause IFIs, which may help clinicians in the diagnosis and management of such infections. Recent findings A growing number of PIDs that cause varying combinations of invasive in...
Source: Current Opinion in Infectious Diseases - Category: Infectious Diseases Tags: ANTIMICROBIAL AGENTS: BACTERIAL/FUNGAL: Edited by Monica Slavin Source Type: research
Purpose of review The increasing prevalence of fungal infections due to Candida species has been well described in critically ill patient populations, but in recent years a new species, Candida auris has received attention from the medical community worldwide. We aim to summarize the current knowledge related to C. auris, as new identification techniques, novel antifungal agents and more experience with outbreak management have been published in the past few years. Recent findings C. auris has been described in several countries, arising independently in separate clades. Its resistance to multiple antifungals and pers...
Source: Current Opinion in Infectious Diseases - Category: Infectious Diseases Tags: ANTIMICROBIAL AGENTS: BACTERIAL/FUNGAL: Edited by Monica Slavin Source Type: research
CONCLUSIONS: Non-C. albicans Candida species were predominant, with C. tropicalis being the most responsible for most cases of candiduria. PMID: 31699523 [PubMed - as supplied by publisher]
Source: Revista Iberoamericana de Micologia - Category: Biology Authors: Tags: Rev Iberoam Micol Source Type: research
Abstract Mammalian serum amyloid A (SAA) is a major acute phase protein that shows a massive increase in plasma concentration during inflammation. In the current study, we demonstrate that the expression of mouse SAA1 in serum was increased when infected with Candida albicans, a major human fungal pathogen, in a systemic infection model. We then set out to investigate the antifungal activity of SAA proteins against C. albicans. Recombinant human and mouse SAA1 (rhSAA1 and rmSAA1) were expressed and purified in E. coli. Both rhSAA1 and rmSAA1 exhibited a potent antifungal activity against C. albicans. We further de...
Source: Antimicrobial Agents and Chemotherapy - Category: Microbiology Authors: Tags: Antimicrob Agents Chemother Source Type: research
Conclusions: In-vitro fertilization appeared as a possible risk factor for endogenous endophthalmitis during pregnancy. In the absence of systemic fungal infection, local intravitreal antifungal injections seem to be effective options to treat endogenous candida endophthalmitis, especially in the first trimester. PMID: 31664877 [PubMed - as supplied by publisher]
Source: Ocular Immunology and Inflammation - Category: Allergy & Immunology Tags: Ocul Immunol Inflamm Source Type: research
CONCLUSION: CMC due to STAT1GOF mutation is characterized by a broad clinical spectrum and should be considered in all cases of chronic or recurrent fungal infection, whether or not associated with other infections. PMID: 31677808 [PubMed - as supplied by publisher]
Source: Annales de Dermatologie et de Cenereologie - Category: Dermatology Authors: Tags: Ann Dermatol Venereol Source Type: research
Paediatric invasive fungal infections have significantly increased over the past few decades, in particular among the immunocompromised population. Candida and Aspergillus spp. are still the most commonly isolated organisms. Image-based assessment of fungal infections can indeed be challenging especially in oncological patients where the differential diagnosis relative to other infections and neoplastic lesions cannot be often obvious. Therefore, the knowledge of the main radiological features associated with fungal infections is crucial to achieve an early correct diagnosis and address the most appropriate therapeutic app...
Source: In Vivo - Category: Research Authors: Tags: Reviews Source Type: research
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