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https://www.readbyqxmd.com/read/29141316/-a-clinical-analysis-of-micafungin-treatment-of-pulmonary-invasive-fungal-infection-in-pediatric-patients-with-acute-leukemia-or-post-hematopoietic-stem-cells-transplantation
#1
K Huang, K Y Qiu, L L Deng, J P Fang, Y Li, H X Guo, D H Zhou
Objective: To investigate the efficacy and safety of micafungin (MCF) for pulmonary invasive fungal disease (PIFD) in pediatric patients with acute leukemia or post hematopoietic stem cells transplantation. Method: Twenty-five neutropenic PIFD children with acute leukemia or post hematopoietic stem cells transplantation in Sun Yat-sen Memorial Hospital of Sun Yat-sen University were selected from January 2012 to June 2015, including 12 males and 13 females, age range 2-15 (average 6.2±2.0) years. There were 12 cases of acute leukemia (AL) after chemotherapy, 4 cases of acute leukemia (AL) after allogeneic hematopoietic stem cell transplantation (allo-HSCT) and 9 cases of β-thalassemia major after allo-HSCT...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29102311/environmental-and-molecular-study-of-fungal-flora-in-asthmatic-patients
#2
H Trablesi, I Hadrich, S Neji, N Fendri, D Ghorbel, F Makni, H Ayadi, S Kammoun, A Ayadi
The aim of the present study was to investigate the epidemiological and fungal environmental profile in asthmatic patients. We conducted a prospective study involving 49 patients with allergic asthma. One hundred and forty-five clinical samples and 289 environmental samples were performed. Only 30 patients accepted to participate to the environmental study at their home. For specific IgE antibodies, ELISA assay was conducted for 21 patients. Molecular ITS sequencing was performed for 37 isolates. The frequency of attacks was significantly associated with the seasonality, which was closely related to climate (P=0...
October 25, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/29046031/-innate-lymphoid-cells-and-their-role-in-immune-response-regulation
#3
Bibiana Patricia Ruiz-Sánchez, David Cruz-Zárate, Iris Estrada-García, Isabel Wong-Baeza
Innate lymphoid cells (ILCs) are lymphocytes lacking antigen recognition receptors and become activated in response to cytokines and through microbe-associated molecular pattern (MAMP) receptors. ILCs are found mainly in mucosal tissues and participate in the immune response against infections and in chronic inflammatory conditions. ILCs are divided in ILC-1, ILC-2 and ILC-3, and these cells have analogue functions to those of immune adaptive response lymphocytes Th1, Th2 and Th17. ILC-1 express T-bet, produce IFNγ, protect against infections with intracellular microorganisms and are related to inflammatory bowel disease immunopathology...
July 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/29027474/on-the-metabolites-produced-by-colletotrichum-gloeosporioides-a-fungus-proposed-for-the-ambrosia-artemisiifolia-biocontrol-spectroscopic-data-and-absolute-configuration-assignment-of-colletochlorin-a
#4
Marco Masi, Maria Chiara Zonno, Alessio Cimmino, Pierluigi Reveglia, Alexander Berestetskiy, Angela Boari, Maurizio Vurro, Antonio Evidente
Ambrosia artemisiifolia L. is responsible for serious allergies induced on humans. Different approaches for its control were proposed during the COST Action FA1203 "Sustainable management of Ambrosia artemisiifolia in Europe" (SMARTER). Fungal secondary metabolites often show potential herbicidal activity. Three phytotoxins were purified from the fungal culture filtrates of Colletotrichum gloeosporioides, isolated from infected leaves of A. artemisiifolia. They were identified by spectroscopic and chemical methods as colletochlorin A, orcinol and tyrosol (1, 2 and 3)...
October 13, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28992290/invasive-fungal-disease-in-pediatric-solid-organ-transplant-recipients
#5
Shikha Saxena, Jerica Gee, Sarah Klieger, Adriana Kajon, Hans Petersen, Theoklis Zaoutis, Brian Fisher
Background: Solid organ transplant (SOT) recipients are at risk for invasive fungal disease (IFD). Data on IFD burden in pediatric patients are limited. We aimed to determine the incidence and outcome of IFD in a large cohort of pediatric patients who underwent SOT. Methods: A single-center cohort of pediatric patients who underwent SOT between 2000 and 2013 was assembled retrospectively. The patients were followed for 180 days after transplant or until death to determine the presence or absence of IFD...
June 15, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28964531/the-role-of-allergy-in-chronic-rhinosinusitis
#6
REVIEW
Ashleigh A Halderman, Laura J Tully
The role of allergy in chronic rhinosinusitis (CRS) has long been debated and remains controversial. The 2 diseases frequently co-occur; however, direct causality has never been proved. The literature is largely mixed as to the manner and degree by which allergy contributes to CRS and this is in large part due to heterogeneity in the definitions of allergy and of CRS. In this review, the potential role of allergy in the disease processes of CRS without polyps, CRS with polyps, and allergic fungal rhinosinusitis is discussed...
December 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28959794/fractionation-and-identification-of-the-allergic-proteins-in-aspergillus-species
#7
M Falahati, S Ghanbari, M Ebrahimi, M Ghazanfari, F Bazrafshan, S Farahyar, R Falak
BACKGROUND AND PURPOSE: Allergy is an undesired immune response to non-pathogenic agents. However, some opportunistic microorganisms such as fungi can also cause allergy. Among those fungi, hyphae form of Aspergillus strains including A. fumigatus, A. flavus, and A. niger could be mentioned. In this study, we aimed to separate allergic proteins from Aspergillus strains and determine their identity. MATERIALS AND METHODS: Standard species of Aspergillus strains were cultivated in optimized conditions and the mycelium was separated by centrifugation...
December 2016: Advances in Medical Mycology (Iran)
https://www.readbyqxmd.com/read/28894264/seasonal-variation-of-the-dominant-allergenic-fungal-aerosols-one-year-study-from-southern-indian-region
#8
Hema Priyamvada, Raj Kamal Singh, M Akila, R Ravikrishna, Rama Shanker Verma, Sachin S Gunthe
Quantitative estimations of fungal aerosols are important to understand their role in causing respiratory diseases to humans especially in the developing and highly populated countries. In this study we sampled and quantified the three most dominantly found allergenic airborne fungi, Aspergillus fumigatus, Cladosporium cladosporioides, and Alternaria alternata from ambient PM10 samples using the quantitative PCR (qPCR) technique in a southern tropical Indian region, for one full year. Highest concentrations of A...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28870728/clinical-use-of-fungal-pcr-from-deep-tissue-samples-in-the-diagnosis-of-invasive-fungal-diseases-a-retrospective-observational-study
#9
M Ala-Houhala, P Koukila-Kähkölä, J Antikainen, J Valve, J Kirveskari, V-J Anttila
OBJECTIVES: To assess the clinical use of panfungal PCR for diagnosis of invasive fungal diseases (IFDs). We focused on the deep tissue samples. METHODS: We first described the design of panfungal PCR, which is in clinical use at Helsinki University Hospital. Next we retrospectively evaluated the results of 307 fungal PCR tests performed from 2013 to 2015. Samples were taken from normally sterile tissues and fluids. The patient population was nonselected. We classified the likelihood of IFD according to the criteria of the European Organization for Research and Treatment of Cancer/Invasive Fungal Infections Cooperative Group and the National Institute of Allergy and Infectious Diseases Mycoses Study Group (EORTC/MSG), comparing the fungal PCR results to the likelihood of IFD along with culture and microscopy results...
September 1, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28868834/recurrent-vulvovaginal-candidiasis-could-it-be-related-to-cell-mediated-immunity-defect-in-response-to-candida-antigen
#10
Zahra Talaei, Saba Sheikhbahaei, Vajihe Ostadi, Mazdak Ganjalikhani Hakemi, Mohsen Meidani, Elham Naghshineh, Majid Yaran, Alireza Emami Naeini, Roya Sherkat
Background: Recurrent vulvovaginal candidiasis (RVVC) is a common cause of morbidity affecting millions of women worldwide. Patients with RVVC are thought to have an underlying immunologic defect. This study has been established to evaluate cell-mediated immunity defect in response to candida antigen in RVVC cases. MATERIALS AND METHODS: Our cross-sectional study was performed in 3 groups of RVVC patients (cases), healthy individuals (control I) and known cases of chronic mucocutaneous candidiasis (CMC) (control II)...
October 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28853915/rgs4-overexpression-in-lung-attenuates-airway-hyper-responsiveness-in-mice
#11
Laura A Madigan, Gordon S Wong, Elizabeth M Gordon, Wei-Sheng Chen, Nariman Balenga, Cynthia J Koziol-White, Reynold A Panettieri, Stewart J Levine, Kirk M Druey
A cardinal feature of asthma is airway hyper-responsiveness (AHR) to spasmogens, many of which activate G protein-coupled receptors (GPCRs) on airway smooth muscle (ASM) cells. Asthma subtypes associated with allergy are characterized by eosinophilic inflammation in the lung due to the type 2 immune response to allergens and proinflammatory mediators that promote AHR. The degree to which intrinsic abnormalities of ASM contribute to this phenotype remains unknown. The Regulators of G protein signaling (RGS proteins) are a large group of intracellular proteins that inhibit GPCR signaling pathways...
August 30, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28732432/intradermal-skin-testing-in-allergic-rhinitis-and-asthma-with-negative-skin-prick-tests
#12
Fuat Erel, Nurhan Sarioglu, Mehmet Kose, Mustafa Kaymakci, Mucahide Gokcen, Ahmet Hamdi Kepekci, Mehmet Arslan
Taking medical history, physical examination, and performing some in vivo and in vitro tests are necessary for the diagnosis of allergy. Skin prick test (SPT) is considered as the standard method and first-line approach for the detection of allergic sensitization. Although mainly SPT is used for the detection of allergic sensitization, intradermal skin test (IDST) may be necessary, especially in patients with a negative SPT result. IDST is quite safe; however, is nowadays seldom used for detection of inhalant allergy and its value remains controversial...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28676932/monitoring-of-airborne-fungal-spore-load-in-relation-to-meteorological-factors-air-pollutants-and-allergic-symptoms-in-farakka-an-unexplored-biozone-of-eastern-india
#13
Shipra Roy, Arindom Chakraborty, Saibal Maitra, Kashinath Bhattacharya
Fungi are important components of atmosphere which play a major role in causing respiratory allergy upon inhalation. An airborne fungal spore survey was carried out in two outdoor environments in Farakka-an unexplored township covering the National Thermal Power Station, West Bengal, India for a period of 2 years (October 2013 to September 2015). A Burkard personal volumetric air sampler was used at 15 days interval to collect the total fungal spore load. A fungal spore calendar has been prepared depicting monthly average spore concentration in the air...
August 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28625008/the-role-of-local-allergy-in-the-nasal-inflammation
#14
REVIEW
Ke-Jia Cheng, Min-Li Zhou, Ying-Ying Xu, Shui-Hong Zhou
Local allergic inflammation (LAI) is recognized recently. 'entopy' was used to define LAI, which was positively correlated with allergen provocation testing, local sIgE up-regulation, inflammatory mediator secretion, and a lack of systemic allergy. The study of LAI is in its infancy and focuses mainly on the respiratory system. It is closely related to nasal inflammation and plays important roles in patients with nonallergic rhinitis (NAR), nonallergic chronic sinusitis with nasal polyps (CRSwNP), and nonallergic fungal rhinosinusitis (NAFRS)...
June 17, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28572995/assessing-the-anti-fungal-efficiency-of-filters-coated-with-zinc-oxide-nanoparticles
#15
Stephen Decelis, Davide Sardella, Thomas Triganza, Jean-Pierre Brincat, Ruben Gatt, Vasilis P Valdramidis
Air filters support fungal growth, leading to generation of conidia and volatile organic compounds, causing allergies, infections and food spoilage. Filters that inhibit fungi are therefore necessary. Zinc oxide (ZnO) nanoparticles have anti-fungal properties and therefore are good candidates for inhibiting growth. Two concentrations (0.012 M and 0.12 M) were used to coat two types of filters (melt-blown and needle-punched) for three different periods (0.5, 5 and 50 min). Rhizopus stolonifer and Penicillium expansum isolated from spoiled pears were used as test organisms...
May 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28535995/inflammation-associated-gene-expression-in-raw-264-7-macrophages-induced-by-toxins-from-fungi-common-on-damp-building-materials
#16
Thomas G Rand, Carolyn T Chang, David R McMullin, J David Miller
Most fungi that grow on damp building materials produce low molecular weight compounds, some of which are known to be toxic. In this study, we tested the hypothesis that exposure to some metabolites of fungi common on damp building materials would result in time-, dose-, and compound-specific responses in the production of various chemokines by RAW 264.7 cells. Cell cultures were exposed to a 10(-7)M or 10(-8)M metabolite dose for 2, 4, 8 or 24h. Metabolite concentrations used were based on those that might be expected in alveolar macrophages due to inhalation exposure from living or working in a damp building...
May 20, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28453304/mold-allergy-is-it-real-and-what-do-we-do-about-it
#17
Amanda Rudert, Jay Portnoy
fungi produce substances that contain pathogen-associated molecular patterns (pamps) and damage-associated molecular patterns (damps) which bind to pattern recognition receptors, stimulating innate immune responses in humans. they also produce allergens that induce production of specific ige. Areas covered: In this review we cover both innate and adaptive immune responses to fungi. Some fungal products can activate both innate and adaptive responses and in doing so, cause an intense and complex health effects...
May 17, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28437767/building-integrated-agriculture-a-first-assessment-of-aerobiological-air-quality-in-rooftop-greenhouses-i-rtgs
#18
Mireia Ercilla-Montserrat, Rebeca Izquierdo, Jordina Belmonte, Juan Ignacio Montero, Pere Muñoz, Concepción De Linares, Joan Rieradevall
Building-integrated rooftop greenhouse (i-RTG) agriculture has intensified in recent years, due to the growing interest in the development of new agricultural spaces and in the promotion of food self-sufficiency in urban areas. This paper provides a first assessment of the indoor dynamics of bioaerosols in an i-RTG, with the aim of evaluating biological air quality in a tomato greenhouse near Barcelona. It evaluates the greenhouse workers' exposure to airborne pollen and fungal spores in order to prevent allergy problems associated with occupational tasks...
November 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28410152/fungal-immunomodulatory-proteins-in-the-context-of-biomedicine
#19
REVIEW
Paula Tatiana Uribe-Echeverry, German Ariel Lopez-Gartner
Fungi represent a large group of biodiverse microorganisms with potential applications ranging from industrial fields to the treatment for human diseases. A large number of pharmacologically active compounds including terpenoids, polysaccharides and proteins have been derived from these microorganisms. Fungal Immunomodulatory Proteins (FIPs) are a group of active compounds that are being considered for the treatment of asthma, allergy, autoimmune diseases and cancer. Here, we discuss the discovery, heterologous production bioactive mechanisms of action and their potential use in biomedicine...
June 1, 2017: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/28380479/serological-reactivity-and-identification-of-immunoglobulin-e-binding-polypeptides-of-ganoderma-applanatum-crude-spore-cytoplasmic-extract-in-puerto-rican-subjects
#20
Frances Vilá-Héreter, Félix E Rivera-Mariani, Benjamín Bolaños-Rosero
BACKGROUND: The allergenic potential of Ganoderma applanatum basidiospores has been demonstrated previously in Puerto Rico. However, basidiomycete allergens are not available for inclusion in allergy diagnostic panels. Therefore, we sought to confirm allergic sensitization to G. applanatum crude spore cytoplasmic extract through reactivity in serological assays and detection of immunoglobulin E (IgE)-binding polypeptides. METHODS: Via an indirect ELISA, serological reactivity was compared between groups of individuals with different allergic profiles...
2017: International Archives of Allergy and Immunology
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