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https://www.readbyqxmd.com/read/28919888/the-sporothrix-schenckii-gene-encoding-for-the-ribosomal-protein-l6-has-constitutive-and-stable-expression-and-works-as-an-endogenous-control-in-gene-expression-analysis
#1
Elías Trujillo-Esquivel, José A Martínez-Álvarez, Diana M Clavijo-Giraldo, Nahúm V Hernández, Alberto Flores-Martínez, Patricia Ponce-Noyola, Héctor M Mora-Montes
Sporothrix schenckii is one of the causative agents of sporotrichosis, a worldwide-distributed mycosis that affects humans and other mammals. The interest in basic and clinical features of this organism has significantly increased in the last years, yet little progress in molecular aspects has been reported. Gene expression analysis is a set of powerful tools that helps to assess the cell response to changes in the extracellular environment, the genetic networks controlling metabolic pathways, and the adaptation to different growth conditions...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28912774/therapeutic-antibodies-to-kir3dl2-and-other-target-antigens-on-cutaneous-t-cell-lymphomas
#2
REVIEW
Christian Schmitt, Anne Marie-Cardine, Armand Bensussan
KIR3DL2 is a member of the killer cell immunoglobulin-like receptor (KIR) family that was initially identified at the surface of natural killer (NK) cells. KIR3DL2, also known as CD158k, is expressed as a disulfide-linked homodimer. Each chain is composed of three immunoglobulin-like domains and a long cytoplasmic tail containing two immunoreceptor tyrosine-based inhibitory motifs. Beside its expression on NK cells, it is also found on rare circulating T lymphocytes, mainly CD8(+). Although the KIR gene number varies between haplotype, KIR3DL2 is a framework gene present in all individuals...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28910134/eosinophilic-and-non-eosinophilic-asthma
#3
Tara F Carr, Amir A Zeki, Monica Kraft
Asthma can be subdivided into eosinophilic or non-eosinophilic phenotypes based on the inflammatory cellular patterns seen in sputum, blood, and airway tissue compartments. However, this level of stratification does not always produce robust clinical phenotypes as there is considerable overlap across these phenotypes when viewed from the perspective of "eosinophilia". Multiple proposed subphenotypes of asthma have instead been described within both the eosinophilic and non-eosinophilic groups. An endotype is the mechanism driving a subphenotype including those associated with eosinophilia such as early-onset allergic asthma, with and without obesity, aspirin sensitive asthma and late-onset eosinophilic asthma, allergic bronchopulmonary mycosis, and exercise-induced asthma...
September 14, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28900882/acute-paracoccidioidomycosis-in-a-40-year-old-man-a-case-report-and-literature-review
#4
Lucas Ferreira Rocha, Danielle de Araújo Torres
Paracoccidioidomycosis (PCM) is a systemic mycosis that represents an important public health problem in Latin America due to its life-threatening character. It is considered occupational disease of agricultural workers. In this report, we present a rare and serious case of the acute form of the disease in a 40-year-old man with no history of contact with the rural environment. Diagnosis was made through cervical lymph node biopsy, and treatment was performed with antifungal drugs, which produced effective results...
September 12, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28895099/neurological-and-multiple-organ-involvement-due-to-paracoccidioides-brasiliensis-and-hiv-co-infection-diagnosed-at-autopsy
#5
Sergio Monteiro de Almeida, Thiago H Roza, Gabriel L O Salvador, João C B França, Luine Rosele Renaud Vidal, Meri Bordignon Nogueira, Lubomira Veronica Oliva, Luis Fernando Bleggi Torres, Lucia Helena de Noronha
Paracoccidioidomycosis (PCM), caused by Paracoccidioides brasiliensis, is the most prevalent systemic mycosis among immunocompetent patients in Latin America; it is rare in immunocompromised patients. The estimated frequency of central nervous system (CNS) involvement in the HIV/PCM population was 2.5%. We report a case of HIV/P. brasiliensis co-infection, with neurological (NPCM) and multiple organ involvement, indicating a diagnosis of AIDS. PCM diagnosis was established during the autopsy. This is the first described case of HIV/P...
September 11, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28891112/candida-albicans-isolates-from-a-single-hospital-show-low-phenotypical-specialization
#6
Enikő Boros, Walter P Pfliegler, Renátó Kovács, Ágnes Jakab, László Majoros, Zoltán Barta, István Pócsi
Candida albicans is the best-studied opportunistic human pathogenic yeast species, and its virulence factors, susceptibility to antimycotics, the diversity of its physiological properties and the determinative factors of these traits are interesting from a clinical as well as from an evolutionary perspective. By applying statistical modeling for the phenotypical differences observed among a collection of 63 C. albicans isolates originating from different clinical care units, from a diverse group of patients with or without mycosis, collected in a Hungarian clinic, we found that (i) host-related aspects like anatomical source, care unit of isolation, patients' age, sex, and disease severity, or ABC genotypes of the isolates had less effect on the phenotypic features of this opportunistic pathogen than host-independent aspects, for example, year or month of isolation; (ii) different phenotypic traits did not show any significant correlations with each other; and (iii) different genotypes displayed no anatomical specialization and rarely showed any significant correlation with parameters of isolation either...
September 11, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28890210/photodynamic-therapy-an-option-in-mycosis-fungoides
#7
Pileri Alessandro, Sgubbi Paola, Agostinelli Claudio, Infusino Salvatore Domenico, Vaccari Sabina, Patrizi Annalisa
BACKGROUND: Photodynamic therapy (PDT) is a well-known and effective treatment for non-melanoma skin-cancer. Numerous studies have also shown its effectiveness in mycosis fungoides. The aim of the study was to analyse MF patients treated with PDT at the Dermatology Unit of Bologna University. METHODS: We retrospectively analysed MF patients treated with PDT over the last ten years. Each PDT protocol consisted of the appliance for 3h under an occlusive film dressing on each lesion of a one-mm-thick layer of 16% methyl aminolaevulinate (MAL) 160mg/g cream (Metvix(®), Galderma, Paris, France)...
September 7, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28872191/cutaneous-t-cell-lymphoma-2017-update-on-diagnosis-risk-stratification-and-management
#8
Ryan A Wilcox
DISEASE OVERVIEW: Cutaneous T-cell lymphomas are a heterogenous group of T-cell lymphoproliferative disorders involving the skin, the majority of which may be classified as Mycosis Fungoides (MF) or Sézary Syndrome (SS). DIAGNOSIS: The diagnosis of MF or SS requires the integration of clinical and histopathologic data. RISK-ADAPTED THERAPY: TNMB (tumor, node, metastasis, blood) staging remains the most important prognostic factor in MF/SS and forms the basis for a "risk-adapted," multi-disciplinary approach to treatment...
October 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28871251/th17-inducing-cytokines-il-6-and-il-23-are-crucial-for-granuloma-formation-during-experimental-paracoccidioidomycosis
#9
Fabrine Sales Massafera Tristão, Fernanda Agostini Rocha, Daniela Carlos, Natália Ketelut-Carneiro, Camila Oliveira Silva Souza, Cristiane Maria Milanezi, João Santana Silva
Paracoccidioidomycosis (PCM), a chronic granulomatous disease caused by the thermally dimorphic fungus Paracoccidioides brasiliensis and Paracoccidioides lutzii, has the highest mortality rate among systemic mycosis. The T helper 1-mediated immunity is primarily responsible for acquired resistance during P. brasiliensis infection, while susceptibility is associated with Th2 occurrence. Th17 is a population of T CD4(+) cells that, among several chemokines and cytokines, produces IL-17A and requires the presence of IL-1, IL-6, and TGF-β for differentiation in mice and IL-23 for its maintenance...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28871168/central-nervous-system-responses-of-the-oriental-migratory-locusta-migratoria-manilensis-to-fungal-infection
#10
Wei Zhang, Jianhong Chen, Nemat O Keyhani, Kai Jin, Qinlv Wei, Yuxian Xia
Responses of the central nervous system (CNS) to microbial challenge and the interplay between the CNS and the immune system are important for defending against pathogen attack. We have examined the CNS transcriptional response of Locusta migratoria manilensis to infection by the locust-specific fungal pathogen, Metarhizium acridum. CNS responses were examined during spore attachment, fungal germination and pre-penetration of the cuticle, and cuticle penetration/hemocoel ingress and proliferation. Effects were seen at the earliest time points (4 h post-infection) and the number of differentially expressed genes (DEGs) was highest during late mycosis (72 h post-infection)...
September 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28864936/a-case-of-cutaneous-mycosis-caused-by-scedosporium-dehoogii-on-an-immunocompromised-patient
#11
Yuichi Sakata, Fumiaki Taga, Tsuyoshi Ushigami, Kiminobu Takeda, Kazushi Anzawa, Akiko Nishibu, Takashi Mochizuki
This report describes a 77-year-old man with cutaneous mycosis caused by Scedosporium dehoogii while taking oral betamethasone and tacrolimus for the treatment of rheumatoid arthritis. At examination in our clinic, the patient had multiple cystic lesions and nodules with slight tenderness, varying in size up to 4 cm, on his left knee and shin. He had not noticed any traumatic injury at the site of the lesions. Fungal cultures of samples taken from the abscesses, scales, and crusts of the lesions yielded white, later grayish brown, fluffy surfaced colonies...
September 1, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28864921/invasive-pulmonary-fungal-infections-in-cystic-fibrosis
#12
Carsten Schwarz, Claudia Brandt, Paul Whitaker, Sivagurunathan Sutharsan, Heino Skopnik, Silvia Gartner, Christina Smazny, Jobst F Röhmel
Invasive pulmonary mycosis is after allergic bronchopulmonary aspergillosis (ABPA) a frequent and severe complication of CF lung disease. Among CF caregivers, there is an insecurity when and how to treat infections of the lung parenchyma caused by different fungi in patients with CF. This case series provides a multicenter experience on diagnostic, manifestation, and treatment of non-ABPA cases of pulmonary. Non-ABPA cases of pulmonary mycoses in patients with CF have been collected from the CF Centers in Berlin, Essen, Worms, Frankfurt (Germany), Leeds (UK), and Barcelona (Spain)...
September 1, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28858104/oral-and-maxillofacial-non-hodgkin-lymphomas-case-report-with-review-of-literature
#13
Da Deng, Ying Wang, Weisong Liu, Yong Qian
RATIONALE: Lymphomas take up about 14% of all head-neck malignancies, out of which 97% are non-Hodgkin lymphomas (NHL). The clinical courses, treatment responses, and prognoses of NHLs vary with different subtypes and anatomic sites. In the Chinese population (including the Taiwanese), head-neck NHLs are often seen with the tonsils, nasal cavity, nasal sinus, and the nasopharynx. However, oral NHLs are relatively rare. Delay of diagnosis is also often seen in clinical practice. Thus, we present 4 cases with delayed diagnosis of oral maxillofacial NHLs and discuss their clinical manifestations so as to draw a clue that can remind the doctors to take biopsies in time...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28855485/potential-of-next-generation-poct-in-infectious-disease-rapid-test
#14
Naoto Shimetani
Real-time test results are necessary for early diagnosis and in determining treatment orientation in medical practice. Point of Care Testing (POCT) is a testing system that provides beneficial and helpful information for diagnosis and treatment through real-time testing at the bedside. Therefore, POCT has high utility value in the field of infectious diseases as a rapid test that provides, within the consultation hours, useful information for initial treatment.Infectious disease rapid test kits are commercially available for a wide variety of prophlogistic pathogen targets, including bacterial, viral, fungal, protozoal, and other disease agents...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28855479/epidemiology-of-zygomycosis-analysis-of-national-data-from-pathological-autopsy-cases-in-japan
#15
Yuhko Suzuki, Hikaru Kume, Tomiteru Togano, Hitoshi Ohto
BACKGROUND AND METHODS: To identify recent trends in the frequency of zygomycosis in autopsy cases, we conducted epidemiological analysis every four years from 1989 to 2009 using national data reported in the "Annual of Pathological Autopsy Cases in Japan." RESULTS: 153,615 cases were autopsied, of which 6622 (4.3%) were found to have had mycosis. Among these, there were 243 cases (3.7%) of zygomycosis, which was the fourth most predominant causative agent of mycoses among the monopathogen mycoses...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28845954/phototherapy-of-mycosis-fungoides
#16
Franz Trautinger
Mycosis fungoides (MF), the most common variant of among cutaneous T cell lymphomas (CTCL), is characterised in its early stages by clonal proliferation of malignant T-cells in the skin manifesting as erythematous patches and plaques with a chronic course and progression to cutaneous tumors and extracutaneous organs in some patients. Skin directed therapies (SDT) are primarily used for effective palliation in early stage disease. Phototherapy with ultraviolet A radiation combined with 8-methoxypsoralen (PUVA) and with ultraviolet B radiation (UVB) has a longstanding history in the treatment of MF and are highly effective in inducing remissions...
July 28, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28844734/employing-proteomic-analysis-to-compare-paracoccidioides-lutzii-yeast-and-mycelium-cell-wall-proteins
#17
Danielle Silva Araújo, Patrícia de Sousa Lima, Lilian Cristiane Baeza, Ana Flávia Alves Parente, Alexandre Melo Bailão, Clayton Luiz Borges, Célia Maria de Almeida Soares
Paracoccidioidomycosis is an important systemic mycosis caused by thermodimorphic fungi of the Paracoccidioides genus. During the infective process, the cell wall acts at the interface between the fungus and the host. In this way, the cell wall has a key role in growth, environment sensing and interaction, as well as morphogenesis of the fungus. Since the cell wall is absent in mammals, it may present molecules that are described as target sites for new antifungal drugs. Despite its importance, up to now few studies have been conducted employing proteomics in for the identification of cell wall proteins in Paracoccidioides spp...
August 24, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28843374/the-results-of-low-dose-total-skin-electron-beam-radiation-therapy-tseb-in-patients-with-mycosis-fungoides-from-the-uk-cutaneous-lymphoma-group
#18
Stephen Morris, Julia Scarisbrick, John Frew, Clive Irwin, Robert Grieve, Caroline Humber, Aleksandra Kuciejewska, Sally Bayne, Sophie Weatherhead, Fiona Child, Mary Wain, Sean Whittaker
PURPOSE: Total skin electron beam radiation therapy (TSEB) is a very effective treatment of mycosis fungoides. Following reports of similar durations of response to lower doses of TSEB, a low-dose schedule of TSEB was introduced in the United Kingdom. METHODS AND MATERIALS: A protocol of 12 Gy in 8 fractions over a period of 2 weeks was agreed on by use of the Stanford University technique. Data were collected prospectively, and the results were analyzed according to the European Organisation for Research and Treatment of Cancer-International Society for Cutaneous Lymphomas endpoints (EORTC-ISCL)...
June 9, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28833587/cutaneous-disseminated-sporotrichosis-clinical-experience-of-24-cases
#19
Alexandro Bonifaz, Andrés Tirado-Sánchez, Vanesa Paredes-Solís, Rodrigo Cepeda-Valdés, Gloria María González, Rogelio de J Treviño-Rangel, Leonel Fierro-Arias
Sporotrichosis is a subcutaneous mycosis, caused by complex Sporothrix schenckii, It is the most common implantation mycoses in worldwide. It is a polymorphic disease, cutaneous-lymphatic is the most frequent (75-90%).(1-3) We report our 25 years' experience (1990-2015) in cutaneous disseminated sporotrichosis (CDS). We conducted, an open, retrospective and observational study. This article is protected by copyright. All rights reserved.
August 22, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28833022/maintenance-therapy-with-psoralen-ultraviolet-a-for-mycosis-fungoides-in-the-absence-of-evidence-sitting-on-the-fence-is-appropriate
#20
R S Dawe
No abstract text is available yet for this article.
August 2017: British Journal of Dermatology
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