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Diagnosis by metagenomic next-generation sequencing of invasive pulmonary aspergillosis in an infant with Chronic Granulomatous Disease: A case report

ABSTRACT: Diagnosis by metagenomic next-generation sequencing of invasive pulmonary aspergillosis in an infant with Chronic Granulomatous Disease: A case report Metagenome

PROVIDER: PRJNA849377 | ENA |

REPOSITORIES: ENA

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Rapidly and Reconditely Progressing Small Cell Lung Cancer with Invasive Pulmonary Aspergillosis: A Case Report and Literature Review

Project description:Rapidly and Reconditely Progressing Small Cell Lung Cancer with Invasive Pulmonary Aspergillosis: A Case Report and Literature Review

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Spatial transcriptomics of in vivo invasive trancheobronchitis biopsies obtained from patients with influenza-associated pulmonary aspergillosis or COVID-19-associated pulmonary aspergillosis

Project description:To assess whether transcriptional differences exist in the epithelial tissue and the inflammatory infiltrate of invasive Aspergillus tracheobronchitis in patients with severe influenza or severe COVID-19, we performed GeoMx spatial transcriptomics on four biopsy samples in total: two of patients with influenza-associated pulmonary aspergillosis (IAPA) and two of patients with COVID-19-associated pulmonary aspergillosis (CAPA). Several regions of interest (ROIs) were delineated in each biopsy sample, and transcriptomic data was derived of each of these ROIs using GeoMx with a whole transcriptome atlas with SARS-CoV-2 spike-in.

2022-08-24 | GSE198096 | GEO

Invasive Pulmonary Aspergillosis Diagnosis via Peripheral Blood Metagenomic Next Generation Sequencing

Project description:Invasive Pulmonary Aspergillosis Diagnosis via Peripheral Blood Metagenomic Next Generation Sequencing

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Proteomic analysis of bronchoalveolar lavage fluid during invasive pulmonary aspergillosis in mice and humans

Project description:Comprehensive proteomic analysis of the protein expression landscape of bronchoalveolar lavage fluid during invasive pulmonary aspergillosis in murine and human samples. 38 murine BALF samples (10 Aspergillus fumigatus infected mice without immunosuppression and without invasive pulmonary aspergillosis (IPA), 19 immunosuppressed and infected mice with IPA and 9 immunosuppressed animals without infection) were analysed for their global protein expression. In addition, 54 human BALF specimen from patients with probable IPA (23 samples), proven IPA (4 cases) and 27 control samples from patients with unrelated pulmonary diseases were analysed for their global protein composition. Host responses and Aspergillus fumigatus-specific proteins detectable in BALF were studied.

2020-10-14 | PXD016664 | Pride

Legionella sainthelensi case report

Project description:Case report of a human pneumonia due to Legionella sainthelensi

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A case report on Chlamydia psittaci

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Invasive maxillary aspergillosis in a patient with systemic lupus erythematosus: Case report.

Project description:IntroductionInvasive aspergillosis (IA) is a fungal infection caused by Aspergillus species (spp.). Aspergillosis is the most common source of opportunistic fungal infection in humans. IA can cause serious complications related to high morbidity and mortality in immunocompromised patients.Presentation of caseWe report a case of a 22-year-old female with a chief complaint of having a hole in the roof of her mouth. She was diagnosed with SLE in 2009. She had been consuming oral methylprednisolone ever since. In 2018, she experienced worsened symptoms and was hospitalized. She experienced swelling and bleeding of her gums and some of her teeth becoming loose and falling out, and then developing a hole in the roof of her mouth. Subsequently, she was treated with oral cyclophosphamide, oral mycophenolate sodium, and oral fluconazole. She was asked to stop taking oral methylprednisolone. In 2019, the palate biopsy was performed and showed Aspergillus spp. invading the palate. Afterward, the patient was referred to our clinic for defect closure. The patient was operated on for debridement and reconstruction of the defect. There was no recurrence of the defect or complications observed in the follow-up. The patient was satisfied with the surgical results.DiscussionIA is a destructive and potentially harmful opportunistic fungal infection and treatments with surgical interventions should be well-thought-out in immunocompromised patients.ConclusionThe management of IA are controlling any underlying diseases and surgical debridement or necrotomy. Generally, antifungal therapy and prompt surgical intervention are successful in managing invasive aspergillosis.

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Lawsonella clevelandensis Case Report

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Transcriptional Responses in Mouse Models of Invasive Pulmonary Aspergillosis

Project description:Abstract From manuscript: Incidences of invasive pulmonary aspergillosis, an infection caused predominantly by Aspergillus fumigatus, have increased due to the growing number of immunocompromised individuals. While A. fumigatus is reliant upon deficiencies in the host to facilitate invasive disease, the distinct mechanisms that govern the host-pathogen interaction remain enigmatic, particularly in the context of distinct immune modulating therapies. To gain insights into these mechanisms, RNA-Seq technology was utilized to sequence RNA derived from lungs of 2 clinically relevant, but immunologically distinct murine models of IPA on days 2 and 3 post inoculation when infection is established and active disease present. Our findings identify notable differences in host gene expression between the chemotherapeutic and steroid models at the interface of immunity and metabolism. RT-qPCR verified model specific and nonspecific expression of 23 immune-associated genes. Deep sequencing facilitated identification of highly expressed fungal genes. We utilized sequence similarity and gene expression to categorize the A. fumigatus putative in vivo secretome. RT-qPCR suggests model specific gene expression for nine putative fungal secreted proteins. Our analysis identifies contrasting responses by the host and fungus from day 2 to 3 between the two models. These differences may help tailor the identification, development, and deployment of host- and/or fungal-targeted therapeutics.

2017-12-05 | GSE104290 | GEO

Molecular profiling reveals human biomarker signatures in patients after allogeneic stem cell transplantation suffering from invasive aspergillosis

Project description:Despite available diagnostic tests and recent advances, diagnosis of pulmonary invasive aspergillosis (IPA) remains challenging. By undertaking a longitudinal case-control study, we explored the possibility to identify novel non-invasive human biomarkers candidates for IPA in patients post allogeneic stem cell transplantation (alloSCT). Using both RNA-sequencing and immunoassays, we investigated 66 blood samples of 3 probable IPA cases and 3 matched controls without Aspergillus infection. Selected potential biomarker candidates were evaluated further in additional alloSCT (n=23) and patients suffering from COVID-19-associated pulmonary aspergillosis (CAPA) and their appropriate control patients (n=65). Profiling analysis suggested LGALS2, MMP1 and caspase-3 as potential biomarker candidates indicating IPA in investigated alloSCT patients. Significant differences in IL-8 and caspase-3 levels were observed among CAPA patients compared to control patients. Given our conceptual work we demonstrate the value of seeking human IPA indicating biomarkers, which together with already established fungal biomarkers potentially improve the accuracy of IPA diagnostic.

2022-03-02 | GSE174825 | GEO

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