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Allergic bronchopulmonary aspergillosis

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https://www.readbyqxmd.com/read/29781185/helper-t-cell-responses-and-pulmonary-fungal-infections
#1
REVIEW
Andrew J McDermott, Bruce S Klein
The mucosal surface of the respiratory tract encounters microbes, such as fungal particles, with every inhaled breath. When pathogenic fungi breach the physical barrier and innate immune system within the lung to establish an infection, adaptive immunity is engaged often in the form of helper CD4 T-cell responses. Type 1 responses, characterized by IFNγ production from CD4 cells, promote clearance of Histoplasma capsulatum and Cryptococcus neoformans infection. Likewise, IL-17A production from Th17 cells promotes immunity to Blastomyces dermatitidis and Coccidiodes species infection by recruiting neutrophils...
May 20, 2018: Immunology
https://www.readbyqxmd.com/read/29777223/card9-s12n-facilitates-the-production-of-il-5-by-alveolar-macrophages-for-the-induction-of-type-2-immune-responses
#2
Xia Xu, Jin-Fu Xu, Guoxing Zheng, Hai-Wen Lu, Jie-Lin Duan, Wei Rui, Jian-Hong Guan, Li-Qing Cheng, Dan-Dan Yang, Ming-Chao Wang, Quan-Zhen Lv, Jian-Xiong Li, Xueqiang Zhao, Chun-Xia Chen, Peng Shi, Xin-Ming Jia, Xin Lin
The adaptor CARD9 functions downstream of C-type lectin receptors (CLRs) for the sensing of microbial infection, which leads to responses by the TH 1 and TH 17 subsets of helper T cells. The single-nucleotide polymorphism rs4077515 at CARD9 in the human genome, which results in the substitution S12N (CARD9S12N ), is associated with several autoimmune diseases. However, the function of CARD9S12N has remained unknown. Here we generated CARD9S12N knock-in mice and found that CARD9S12N facilitated the induction of type 2 immune responses after engagement of CLRs...
May 18, 2018: Nature Immunology
https://www.readbyqxmd.com/read/29773689/risk-factors-for-lung-disease-progression-in-children-with-cystic-fibrosis
#3
Marieke van Horck, Kim van de Kant, Bjorn Winkens, Geertjan Wesseling, Vincent Gulmans, Han Hendriks, Chris van der Grinten, Quirijn Jӧbsis, Edward Dompeling
To identify potential risk factors for lung disease progression in children with cystic fibrosis (CF), we studied the longitudinal data of all children with CF (aged ≥5 years) registered in the Dutch CF Registry (2009-2014). Lung disease progression was expressed as a decline in lung function (FEV1 %pred) and the pulmonary exacerbation rate (PEx). Potential risk factors at baseline included: sex, age, best FEV1%pred, best forced vital capacity (FVC)%pred, genotype, BMI z-score, pancreatic insufficiency, medication use (proton pump inhibitors [PPI], prophylactic antibiotics, and inhaled corticosteroids), CF-related diabetes, allergic bronchopulmonary aspergillosis, and colonisation with Pseudomonas aeruginosa The data of 545 children were analysed...
May 17, 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29773475/concordance-between-aspergillus-specific-precipitating-antibody-and-igg-in-allergic-bronchopulmonary-aspergillosis
#4
Kazuki Harada, Tsuyoshi Oguma, Akemi Saito, Yuma Fukutomi, Jun Tanaka, Katsuyoshi Tomomatsu, Masami Taniguchi, Koichiro Asano
BACKGROUND: Several serological tests for specific precipitin or IgG are available to demonstrate type III hypersensitivity reactions to Aspergillus species and are essential for infectious fungal disease diagnosis. These assays are also important for allergic bronchopulmonary aspergillosis (ABPA) diagnosis; however, their concordance in ABPA was not well studied. METHODS: Fifty-two ABPA patients diagnosed based on ISHAM criteria were enrolled. Precipitins and IgG specific to Aspergillusfumigatus, Aspergillusniger, Aspergillusflavus, or Aspergillusterreus were measured using Ouchterlony double immunodiffusion tests and ImmunoCAP method, respectively...
May 15, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29731953/adrenal-insufficiency-in-cystic-fibrosis-a-rare-phenomenon
#5
Sébastien Préville-Ratelle, Adèle Coriati, Aurélie Ménard, Isabelle Bourdeau, François Tremblay, Yves Berthiaume
Background: The prevalence of adrenal insufficiency (AI) in cystic fibrosis (CF) is unknown. The frequent use of glucocorticoids (inhaled or systemic) may induce the long-term suppression of the hypothalamic-pituitary-adrenal axis. Methods: We reviewed the results of adrenocorticotropic hormone (ACTH) stimulation tests done over a 10-year period to evaluate adrenal function in 69 CF patients of the CHUM CF clinic. Clinical characteristics of AI patients were compared to adrenal-sufficient (AS) patients...
2018: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/29724379/aspergillus-precipitating-antibody-in-patients-with-mycobacterium-avium-complex-lung-disease-a-cross-sectional-study
#6
Shoji Suzuki, Takanori Asakura, Ho Namkoong, Satoshi Okamori, Kazuma Yagi, Hirofumi Kamata, Yoshifumi Uwamino, Yohei Funatsu, Yasushi Nakano, Tomoyasu Nishimura, Makoto Ishii, Tamotsu Ebihara, Tomoko Betsuyaku, Naoki Hasegawa
RATIONALE: Little is known about the role of Aspergillus precipitating antibody (APAb) in patients with Mycobacterium avium complex lung disease (MAC-LD). OBJECTIVES: We investigated the clinical characteristics of patients with MAC-LD positive for APAb. METHODS: We conducted a cross-sectional study targeting patients with MAC-LD. APAb was checked in all participants. Clinical variables included laboratory data, pulmonary function, high-resolution computed tomography findings, and health-related quality of life...
May 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29724306/-clinical-analysis-of-40-patients-with-eosinophilic-lung-diseases-in-peking-union-medical-college-hospital
#7
Xu Dong Zhang, Hai Hong Gong, Jin Ming Gao
Objective To summarize the clinical features of eosinophilic lung diseases(ELD). Methods We retrospectively analyzed the clinical manifestations,laboratory findings,accessory examination results,and pathology of 40 patients who were diagnosed with ELD and hospitalized in Peking Union Medical College Hospital from January 2013 to December 2016.Results There were 19 males and 21 females,and the average age was(48.58±18.25) years.The diagnoses included allergic bronchopulmonary aspergillosis(n=20),eosinophilic granulomatosis with polyangiitis(also known as churg-strauss syndrome)(n=10),chronic eosinophilic pneumonia(n=8),parasitic infection(n=1),and drug-induced eosinophilic pneumonia(n=1)...
April 28, 2018: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29695056/burden-of-serious-fungal-infections-in-argentina
#8
Fernando O Riera, Juan P Caeiro, David W Denning
The number of fungal infections at any given time in Argentina is not known. Here we estimate the burden of serious fungal infections in Argentina for the first time. Specific population statistics were searched from multiple sources, local literature was identified, and estimates made. Some additional data were sourced from the Ministry of Health, the Global Initiative for Asthma (GINA) program, and national haematology and transplant societies. Argentina has a population of 43.8 million, with 25% of this total being children under 15 years...
April 24, 2018: Journal of Fungi (Basel, Switzerland)
https://www.readbyqxmd.com/read/29692383/clinical-characteristics-of-fifty-patients-with-allergic-bronchopulmonary-aspergillosis
#9
Min-Fang Zou, Yan Yang, Lin Liu, En-Hua Sun, Liang Dong
No abstract text is available yet for this article.
May 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29666680/determination-of-an-aspergillus-fumigatus-specific-immunoglobulin-g-reference-range-in-an-adult-omani-population
#10
Munira Al-Rahman, Mahmood Al Kindi, Ibrahim Kutty, Ibrahim Al-Kalbani, Jalila Alshekaili
Objectives: The presence of abnormally high levels of Aspergillus fumigatus -specific immunoglobulin (Ig) G antibodies can serve as a diagnostic criterion for severe conditions like allergic bronchopulmonary and chronic pulmonary aspergillosis. This study aimed to determine a reference range of A. fumigatus -specific IgG levels within a healthy adult Omani population. Methods: This study took place during November 2015 at the Sultan Qaboos University Hospital, Muscat, Oman...
February 2018: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/29666610/fungi-induced-upper-and-lower-respiratory-tract-allergic-diseases-one-entity
#11
Aleksandra Barac, David S Y Ong, Ljiljana Jovancevic, Aleksandar Peric, Pavol Surda, Vesna Tomic Spiric, Salvatore Rubino
Introduction: Aspergillus can cause different allergic diseases including allergic bronchopulmonary aspergillosis (ABPA) and allergic fungal rhinosinusitis (AFRS). ABPA is allergic pulmonary disease against Aspergillus antigens. AFRS is a type of chronic rhinosinusitis (CRS) presented as hypersensitivity reactions to the fungal presence in sinuses. The aim of the present study was to clarify if ABPA and AFRS could be considered as a common disease entity. Methodology: The prospective cohort study included 75 patients with ABPA...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29622694/airway-epithelial-phosphoinositide-3-kinase-%C3%AE-contributes-to-the-modulation-of-fungi-induced-innate-immune-response
#12
Jae Seok Jeong, Kyung Bae Lee, So Ri Kim, Dong Im Kim, Hae Jin Park, Hern-Ku Lee, Hyung Jin Kim, Seong Ho Cho, Narasaiah Kolliputi, Soon Ha Kim, Yong Chul Lee
BACKGROUND: Respiratory fungal exposure is known to be associated with severe allergic lung inflammation. Airway epithelium is an essential controller of allergic inflammation. An innate immune recognition receptor, nucleotide-binding domain, leucine-rich-containing family, pyrin-domain-containing-3 (NLRP3) inflammasome, and phosphoinositide 3 kinase (PI3K)-δ in airway epithelium are involved in various inflammatory processes. OBJECTIVES: We investigated the role of NLRP3 inflammasome in fungi-induced allergic lung inflammation and examined the regulatory mechanism of NLRP3 inflammasome, focusing on PI3K-δ in airway epithelium...
April 5, 2018: Thorax
https://www.readbyqxmd.com/read/29588830/allergic-bronchopulmonary-aspergillosis-in-patients-with-cystic-fibrosis-and-non-cystic-fibrosis-bronchiectasis
#13
Soheila Alyasin, Mozhgan Moghtaderi, Shirin Farjadian, Maryam Babaei, Saeed Hosseini Teshnizi
Background: Aspergillus sensitization (AS) and allergic bronchopulmonary aspergillosis (ABPA) can occur as a cause of permanent lung damage in patients with cystic fibrosis (CF) and non-CF bronchiectasis. Objective: The aim of this study was to determine the frequency of AS and ABPA in patients with CF and non-CF bronchiectasis in southwestern Iran. Methods: This cross-sectional study was conducted on 33 patients with CF and 27 patients with non-CF bronchiectasis from southwestern Iran who were referred to Namazi Hospital affiliated to Shiraz University of Medical Sciences from July 2015 to February 2016...
January 2018: Electronic Physician
https://www.readbyqxmd.com/read/29587693/a-case-of-allergic-bronchopulmonary-aspergillosis-successfully-treated-with-mepolizumab
#14
Takeshi Terashima, Taro Shinozaki, Eri Iwami, Takahiro Nakajima, Tatsu Matsuzaki
BACKGROUND: Allergic bronchopulmonary aspergillosis (ABPA) is an allergic pulmonary disease comprising a complex hypersensitivity reaction to Aspergillus fumigatus. Clinical features of ABPA are wheezing, mucoid impaction, and pulmonary infiltrates. Oral corticosteroids and anti-fungal agents are standard therapy for ABPA, but long-term use of systemic corticosteroids often causes serious side effects. CASE PRESENTATION: A 64-year-old woman was diagnosed with ABPA based on a history of bronchial asthma (from 40 years of age), elevated total IgE, the presence of serum precipitating antibodies and elevated specific IgE antibody to A...
March 27, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29587336/oral-versus-inhaled-antibiotics-for-bronchiectasis
#15
REVIEW
Sally Spencer, Lambert M Felix, Stephen J Milan, Rebecca Normansell, Pieter C Goeminne, James D Chalmers, Tim Donovan
BACKGROUND: Bronchiectasis is a chronic inflammatory disease characterised by a recurrent cycle of respiratory bacterial infections associated with cough, sputum production and impaired quality of life. Antibiotics are the main therapeutic option for managing bronchiectasis exacerbations. Evidence suggests that inhaled antibiotics may be associated with more effective eradication of infective organisms and a lower risk of developing antibiotic resistance when compared with orally administered antibiotics...
March 27, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29566248/prevalence-of-sensitization-to-aspergillus-flavus-in-patients-with-allergic-bronchopulmonary-aspergillosis
#16
Inderpaul Singh Sehgal, Hansraj Choudhary, Sahajal Dhooria, Ashutosh Nath Aggarwal, Sandeep Bansal, Mandeep Garg, Digambar Behera, Arunaloke Chakrabarti, Ritesh Agarwal
Aspergillus fumigatus is the most common Aspergillus species worldwide; however, A. flavus has also been shown to be prevalent in North India. Herein, we investigate the prevalence of sensitization to A. flavus in subjects with allergic bronchopulmonary aspergillosis (ABPA). We also evaluate the occurrence of allergic bronchopulmonary mycosis (ABPM) due to A. flavus. Treatment-naive subjects with ABPA underwent sputum culture; and, skin testing, fungal-specific immunoglobulin E (IgE) and serum precipitation tests for A...
March 16, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29562712/estimation-of-the-burden-of-serious-human-fungal-infections-in-malaysia
#17
Rukumani Devi Velayuthan, Chandramathi Samudi, Harvinder Kaur Lakhbeer Singh, Kee Peng Ng, Esaki M Shankar, David W Denning
Fungal infections (mycoses) are likely to occur more frequently as ever-increasingly sophisticated healthcare systems create greater risk factors. There is a paucity of systematic data on the incidence and prevalence of human fungal infections in Malaysia. We conducted a comprehensive study to estimate the burden of serious fungal infections in Malaysia. Our study showed that recurrent vaginal candidiasis (>4 episodes/year) was the most common of all cases with a diagnosis of candidiasis ( n = 501,138). Oesophageal candidiasis ( n = 5850) was most predominant among individuals with HIV infection...
March 19, 2018: Journal of Fungi (Basel, Switzerland)
https://www.readbyqxmd.com/read/29562641/estimating-the-burden-of-serious-fungal-infections-in-uruguay
#18
Marina Macedo-Viñas, David W Denning
We aimed to estimate for the first time the burden of fungal infections in Uruguay. Data on population characteristics and underlying conditions were extracted from the National Statistics Institute, the World Bank, national registries, and published articles. When no data existed, risk populations were used to estimate frequencies extrapolating from the literature. Population structure (inhabitants): total 3,444,006; 73% adults; 35% women younger than 50 years. Size of populations at risk (total cases per year): HIV infected 12,000; acute myeloid leukemia 126; hematopoietic stem cell transplantation 30; solid organ transplants 134; COPD 272,006; asthma in adults 223,431; cystic fibrosis in adults 48; tuberculosis 613; lung cancer 1400...
March 18, 2018: Journal of Fungi (Basel, Switzerland)
https://www.readbyqxmd.com/read/29554296/the-diagnosis-and-management-of-respiratory-tract-fungal-infection-in-cystic-fibrosis-a-uk-survey-of-current-practice
#19
M Boyle, J E Moore, J L Whitehouse, D Bilton, D G Downey
Aspergillus fumigatus is commonly found in the airways of patients with cystic fibrosis (CF), and allergic bronchopulmonary aspergillosis (ABPA) is the most recognized associated clinical condition. However, accurate diagnosis remains challenging, and there is a paucity of clinical trials to guide clinical management of fungal disease. The aim of this survey was to assess the variability in current practice across the UK in diagnosis and management of fungal lung disease in CF patients. A 21 question anonymous online survey was sent to 94 paediatric and adult CF consultants in the UK...
March 15, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29551015/anti-ige-therapy-for-allergic-bronchopulmonary-aspergillosis-in-people-with-cystic-fibrosis
#20
REVIEW
Kana R Jat, Dinesh K Walia, Anju Khairwa
BACKGROUND: Cystic fibrosis is an autosomal recessive multisystem disorder with an approximate prevalence of 1 in 3500 live births. Allergic bronchopulmonary aspergillosis is a lung disease caused by aspergillus-induced hypersensitivity with a prevalence of 2% to 15% in people with cystic fibrosis. The mainstay of treatment includes corticosteroids and itraconazole. The treatment with corticosteroids for prolonged periods of time, or repeatedly for exacerbations of allergic bronchopulmonary aspergillosis, may lead to many adverse effects...
March 18, 2018: Cochrane Database of Systematic Reviews
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