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Study validates non-invasive lung antibody measurement using PExA technology

Researchers from Karolinska Institutet and Uppsala University have demonstrated that virus-specific antibodies in small airways can be measured without performing a bronchoscopy.

5 November 2026
Study validates non-invasive lung antibody measurement using PExA technology
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A study published in the journal eBioMedicine reports that samples collected non-invasively via PExA technology provide measurable data on virus-specific antibodies located in the deep lung airways. This method offers a clinical alternative to bronchoscopy, a typically invasive procedure used to access the lung environment.

The research team, comprising investigators from Karolinska Institutet, Danderyd Hospital, and Uppsala University, suggests that this technique will be relevant for vaccine development and immunology studies. By monitoring the immune response directly in the small airways, researchers can gain more granular insights into how lungs react to viral exposure.

The findings are expected to influence the trajectory of respiratory disease research. PExA's application in this study indicates potential for broader integration into clinical diagnostics and pharmaceutical development, where non-invasive monitoring is prioritized.

Original source: news.cision.com