ArticleMethods in molecular biology (Clifton, N.J.)2021
Detection of Low Oxygen Microenvironments in a Murine Model of Invasive Pulmonary Aspergillosis Using Pimonidazole.
Article in Methods in molecular biology (Clifton, N.J.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 1 citations in OpenAlex.
- Novel Insights intoJournal of fungi (Basel, Switzerland) · 2022Review
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Infection tissue microenvironments are dynamic, complex, and play a critical role in host-microbe interaction outcomes. A crucial parameter of the infection site microenvironment is oxygen. Both host and microbial cell physiology is significantly impacted by the availability of oxygen. When oxygen tensions drop to levels that do not meet the metabolic demands of the cell, a hypoxia response ensues. In numerous host-microbe studies, it has now been observed that the host and microbial hypoxia response plays a critical role in disease outcomes. However, in most pathosystems, spatial and temporal oxygen dynamics throughout the infection remain ill defined. Here, we detail a protocol for detecting low oxygen environments in tissue in a murine model of invasive pulmonary aspergillosis. The protocol utilizes mice immune compromised with a high dose of steroid and challenged via the aerosol route with conidia of the major human fungal pathogen Aspergillus fumigatus. Qualitative analysis of oxygen levels at the site of infection in the murine lung is accomplished with pimonidazole-mediated adduct detection via immunohistochemistry. The protocol is adaptable to other host-microbe interaction models.
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