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https://www.readbyqxmd.com/read/28423088/the-epidemiology-of-cryptococcosis-and-the-characterization-of-cryptococcus-neoformans-isolated-in-a-brazilian-university-hospital
#1
Paula Augusta Dias Fogaça de Aguiar, Reginaldo Dos Santos Pedroso, Aércio Sebastião Borges, Tomaz de Aquino Moreira, Lúcio Borges de Araújo, Denise Von Dolinger de Brito Röder
Cryptococcosis, a systemic disease caused by the fungus Cryptococcus neoformans/ Cryptococcus gattii is more severe in immunocompromised individuals. This study aimed to analyze the epidemiology of the disease, the molecular characteristics and the antifungal susceptibility of C. neoformans isolated from patients treated in a Brazilian university hospital. This retrospective study was conducted in the Clinical Hospital, Federal University of Uberlândia, and evaluated cases of cryptococcosis and strains of C...
April 13, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28419364/examination-of-cryptococcal-glucuronoxylomannan-antigen-in-bronchoalveolar-lavage-fluid-for-diagnosing-pulmonary-cryptococcosis-in-hiv-negative-patients
#2
Kazuhiro Oshima, Takahiro Takazono, Tomomi Saijo, Masato Tashiro, Shintaro Kurihara, Kazuko Yamamoto, Yoshifumi Imamura, Taiga Miyazaki, Misuzu Tsukamoto, Katsunori Yanagihara, Hiroshi Mukae, Shigeru Kohno, Koichi Izumikawa
We clarified the performance of a cryptococcal glucuronoxylomannan (GXM) antigen test using bronchoalveolar lavage fluid (BALF) samples, in an HIV-negative Japanese population. Between March 2008 and December 2014, we examined cryptococcal GXM antigens in both serum and BALF specimens from 429 cases at Nagasaki University hospital. The diagnoses, underlying diseases, chest computed tomography findings, and cryptococcal GXM antigen test results were retrospectively investigated. Twenty-three patients were confirmed to have pulmonary cryptococcosis, another six were clinically diagnosed with cryptococcosis because they were seropositive for the GXM antigen, and five possible cryptococcosis cases had BALF samples that were positive for the GXM antigen and serum samples that were negative...
April 17, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28400768/the-anti-helminthic-compound-mebendazole-has-multiple-antifungal-effects-against-cryptococcus-neoformans
#3
Luna S Joffe, Rafael Schneider, William Lopes, Renata Azevedo, Charley C Staats, Lívia Kmetzsch, Augusto Schrank, Maurizio Del Poeta, Marilene H Vainstein, Marcio L Rodrigues
Cryptococcus neoformans is the most lethal pathogen of the central nervous system. The gold standard treatment of cryptococcosis, a combination of amphotericin B with 5-fluorocytosine, involves broad toxicity, high costs, low efficacy, and limited worldwide availability. Although the need for new antifungals is clear, drug research and development (R&D) is costly and time-consuming. Thus, drug repurposing is an alternative to R&D and to the currently available tools for treating fungal diseases. Here we screened a collection of compounds approved for use in humans seeking for those with anti-cryptococcal activity...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28398425/primary-cutaneous-cryptococcosis-presenting-as-an-extensive-eroded-plaque
#4
Franki Lambert Smith, Mary Gail Mercurio, Brian Poligone
No abstract text is available yet for this article.
March 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28394553/drug-induced-oral-ulcerations-case-report
#5
Vanja Vučičević Boras, Snježana Židovec-Lepej, Branka Marinović, Sven Seiwerth, Ivana Škrinjar, Dražen Pulanić, Danica Vidović Juras
A 70-year-old patient was admitted to the Department of Oral Medicine for multiple oral ulcerations on the left buccal mucosa, around 0.5 cm in diameter, as well as on the gingiva. Otherwise, the patient suffered from chronic lymphocytic leukemia, hypogammaglobulinemia, chronic renal insufficiency, with complete afunction of the right kidney, asthma, hypertension, gastritis and prostate hyperplasia. Differential diagnosis of oral ulcerations included drug induced oral ulcerations, paraneoplastic pemphigus, viral ulcerations (cytomegalovirus, herpes simplex viruses), fungal ulcerations (candidiasis, aspergillosis, histoplasmosis, cryptococcosis) and bacterial ulcerations, as well as neutropenic ulcers...
June 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/28391953/-efficacy-of-the-treatment-and-secondary-antifungal-prophylaxis-in-aids-related-histoplasmosis-experience-at-the-francisco-j-mu%C3%A3-iz-infectious-diseases-hospital-in-buenos-aires
#6
Ricardo Negroni, Fernando Messina, Alicia Arechavala, Gabriela Santiso, Mario Bianchi
BACKGROUND: Classic histoplasmosis is a systemic endemic mycosis due to Histoplasma capsulatum var. capsulatum. A significant reduction in the morbidity and mortality of AIDS-related histoplasmosis has been observed since the introduction of highly active antiretroviral therapy (HAART) and secondary antifungal prophylaxis. AIMS: The aim of this study was to determine the current state of prognosis and treatment response of HIV-positive patients with histoplasmosis in the Francisco J...
April 5, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28384860/fungal-opportunistic-pneumonias-in-hiv-aids-patients-an-indian-tertiary-care-experience
#7
Ravinder Kaur, Bhanu Mehra, Megh Singh Dhakad, Ritu Goyal, Preena Bhalla, Richa Dewan
INTRODUCTION: Opportunistic pneumonias are a major cause of mortality and morbidity in Human Immunodeficiency Virus (HIV) reactive patients. Despite the significant role that fungi play in causation of this opportunistic mycoses, very few Indian studies have attempted to investigate the burden and aetiological spectrum of HIV/AIDS-associated fungal pneumonias. AIM: To document the prevalence of fungal aetiology in HIV/AIDS-related opportunistic pneumonias in an Indian setting; and to elucidate the various fungal opportunists responsible for the same...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28383132/cryptococcoid-sweet-s-syndrome-two-reports-of-sweet-s-syndrome-mimicking-cutaneous-cryptococcosis
#8
Janice Wilson, Kristyna Gleghorn, Brent Kelly
No abstract text is available yet for this article.
May 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28368884/unilateral-adrenal-cryptococcosis-on-fdg-pet-ct
#9
Jinxin Zhou, Jing Lv, Yu Pan, Jing Xie, Yifan Zhang
A 70-year-old man with T-cell deficiency experienced continuous right waist pain and a low degree of fever. Abdominal CT found a large right adrenal mass. FDG PET/CT imaging was acquired to identify the nature of this likely malignant mass and search for potential metastases. The images revealed increased FDG activity in the mass. The patient received right adrenalectomy. Postsurgical pathological and microbial examination demonstrated adrenal cryptococcosis.
March 31, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28363154/synthesis-stability-and-mechanistic-studies-of-potent-anticryptococcal-hexapeptides
#10
Kitika Shenmar, Krishna K Sharma, Nishima Wangoo, Indresh K Maurya, Vinod Kumar, Shabana I Khan, Melissa R Jacob, Kulbhushan Tikoo, Rahul Jain
The growing incidents of cryptococcosis in immuno-compromised patients have created a need for novel drug therapies capable of eradicating the disease. The peptide-based drug therapy offers many advantages over the traditional therapeutic agents, which has been exploited in the present study by synthesizing a series of hexapeptides that exhibits promising activity against a panel of Gram-negative and Gram-positive bacteria and various pathogenic fungal strains; the most exemplary activity was observed against Cryptococcus neoformans...
March 24, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28363053/atypical-presentation-of-cryptococcus-neoformans-in-a-koala-phascolarctos-cinereus-a-magnetic-resonance-imaging-and-computed-tomography-study
#11
Eva Martínez-Nevado, Elisa González Alonso-Alegre, M Ángeles Jiménez Martínez, Alfonso Rodríguez-Álvaro, Elena Martínez de Merlo, Juncal García García, Isabel García Real
Cryptococcosis is a worldwide and potentially fatal mycosis documented in wild and captive koalas ( Phascolarctos cinereus ) caused by Cryptococcus neoformans . Though mainly a subclinical disease, when the nasal cavity is affected, epistaxis, mucopurulent nasal discharge, dyspnea, and facial distortion may occur. This report describes a case of cryptococcosis in a koala where unilateral exophthalmos was the only evident clinical sign and magnetic resonance imaging and computed tomography findings are described...
March 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28362939/primary-prophylaxis-for-cryptococcosis-with-fluconazole-in-human-immunodeficiency-virus-infected-patients-with-cd4-t-cell-counts-100-cells-%C3%A2%C2%B5l-and-receiving-antiretroviral-therapy
#12
Somnuek Sungkanuparph, Chutchaiwat Savetamornkul, Warisara Pattanapongpaiboon
A prospective observational cohort study was conducted in 302 human immunodeficiency virus-infected patients who had a CD4 T-cell count <100 cells/µL and negative serum cryptococcal antigen initiating antiretroviral therapy in a resource-limited setting. During 2-year follow-up, there were no differences of survival rates and occurrences of newly diagnosed cryptococcosis between patients with and without fluconazole for primary prophylaxis of cryptococcosis.
April 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28362530/pulmonary-cryptococcosis-developed-from-a-nodule-after-treatment-with-infliximab-for-arthritis-associated-with-ulcerative-colitis
#13
Takanori Asakura, Daisuke Arai, Makoto Ishii, Hiroshi Takei, Hiroaki Sugiura, Tsutomu Takeuchi, Tomoko Betsuyaku
No abstract text is available yet for this article.
April 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28355930/use-of-voriconazole-in-non-meningeal-cryptococcosis
#14
Bhagteshwar Singh, Ahmad Lodhi, Cameron Choi, Alec Bonington, Chris Kosmidis
No abstract text is available yet for this article.
March 29, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28346317/the-csf-immune-response-in-hiv-1-associated-cryptococcal-meningitis-macrophage-activation-correlates-of-disease-severity-and-effect-of-antiretroviral-therapy
#15
James E Scriven, Lisa M Graham, Charlotte Schutz, Thomas J Scriba, Katalin A Wilkinson, Robert J Wilkinson, David R Boulware, Britta C Urban, Graeme Meintjes, David G Lalloo
BACKGROUND: Immune modulation may improve outcome in HIV-associated cryptococcal meningitis. Animal studies suggest alternatively activated macrophages are detrimental but human studies are limited. We performed a detailed assessment of the cerebrospinal fluid (CSF) immune response and examined immune correlates of disease severity and poor outcome, and the effects of antiretroviral therapy (ART). METHODOLOGY: We enrolled persons ≥18 years with first episode of HIV-associated cryptococcal meningitis...
March 31, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28338245/infective-capacity-of-cryptococcus-neoformans-and-cryptococcus-gattii-in-a-human-astrocytoma-cell-line
#16
M C Olave, J C Vargas-Zambrano, A M Celis, E Castañeda, J M González
Pathogenesis of cryptococcosis in the central nervous system (CNS) is a topic of ongoing research, including the mechanisms by which this fungus invades and infects the brain. Astrocytes, the most common CNS cells, play a fundamental role in the local immune response. Astrocytes might participate in cryptococcosis either as a host or by responding to fungal antigens. To determine the infectivity of Cryptococcus neoformans var. grubii and Cryptococcus gattii in a human astrocytoma cell line and the induction of major histocompatibility complex (MHC) molecules...
March 24, 2017: Mycoses
https://www.readbyqxmd.com/read/28323835/molecular-epidemiology-of-cryptococcal-genotype-vnic-st5-in-siriraj-hospital-thailand
#17
Chanin Hatthakaroon, Sujiraphong Pharkjaksu, Piriyaporn Chongtrakool, Kamol Suwannakarn, Pattarachai Kiratisin, Popchai Ngamskulrungroj
Despite the strong association between Cryptococcus neoformans infection and the Human immunodeficiency virus (HIV) status of patients globally, most cryptococcosis cases in Far East Asia occur in non-HIV individuals. Molecular epidemiological studies, using multilocus sequence typing (MLST), have shown that more than 95% of cryptococcal strains belong to a specific subtype of VNI. However, this association has never been specifically examined in other parts of Asia. Therefore, in this study, we investigated the VNIc/ST5 genotype distribution among cryptococcosis patients in Thailand...
2017: PloS One
https://www.readbyqxmd.com/read/28317569/oral-fungal-infections-diagnosis-and-management
#18
REVIEW
David R Telles, Niraj Karki, Michael W Marshall
Oral and maxillofacial fungal infections can appear in high-risk patients, including those immunocompromised. This article explores common oral manifestations of fungal infections in the oral cavity as primary lesions or as a result of disseminated disease. By far the most common oral fungal infection experienced in dentistry is oral candidiasis, which is reviewed in depth from simple oral infections to invasive candidiasis. The review aids the dental practitioner in understanding the full scope of Candida infections and other fungal infections...
April 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/28301552/radiological-characteristics-of-pulmonary-cryptococcosis-in-hiv-infected-patients
#19
Zhiliang Hu, Jun Chen, Juan Wang, Qingfang Xiong, Yandan Zhong, Yongfeng Yang, Chuanjun Xu, Hongxia Wei
BACKGROUND: Current understanding of human immunodeficiency virus (HIV)-associated pulmonary cryptococcosis (PC) is largely based on studies performed about 2 decades ago which reported that the most common findings on chest radiograph were diffuse interstitial infiltrates. Few studies are available regarding the computed tomography (CT) findings. The aim of this study was to characterize chest CT features of HIV-associated PC. METHODS: HIV patients with cryptococccal infection and pulmonary abnormalities on Chest CT between September 2010 and May 2016 in the Second Affiliated Hospital of the Southeast University were retrospectively analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28300886/disseminated-cryptococcosis-manifested-as-a-single-tumor-in-an-immunocompetent-patient-similar-to-the-cutaneous-primary-forms
#20
Danielle Mechereffe do Amaral, Ritha de Cássia Capelato Rocha, Luiz Euribel Prestes Carneiro, Dewton Moraes Vasconcelos, Marilda Aparecida Milanez Morgado de Abreu
Cryptococcosis is a fungal infection caused by Cryptococcus neoformans that tends to affect immunocompromised individuals. The fungi are mostly acquired by inhalation, which leads to an initial pulmonary infection. Later, other organs - such as the central nervous system and the skin - can be affected by hematogenous spread. In addition, cutaneous contamination can occur by primary inoculation after injuries (primary cutaneous cryptococcosis), whose diagnosis is defined based on the absence of systemic involvement...
September 2016: Anais Brasileiros de Dermatologia
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