A laboratory-developed immunochromatographic test strip detects anti-interferon-gamma antibodies in serum through visual test and control lines, providing a foundation for further clinical validation and in vitro diagnostic kit development.
This laboratory-developed immunochromatographic test strip uses an antigen-based approach to detect anti-interferon-gamma antibodies in serum. Test and control lines provide a visual readout.
The test-strip prototype was evaluated under laboratory conditions using positive and negative pooled serum samples. Separately, the underlying double-antigen sandwich ELISA method was evaluated using serum samples from 20 patients with adult-onset immunodeficiency and compared with indirect ELISA. These findings support further development, but large-scale clinical performance, regulatory authorization, and commercial deployment have not been established.
The technology is intended for further development to support the assessment of patients with suspected anti-interferon-gamma-associated adult-onset immunodeficiency. It should not be presented as a standalone diagnostic test for immunodeficiency or as a measure of disease severity. Further clinical validation is required.
Collaboration may cover further clinical evaluation, diagnostic-kit development, and manufacturing. Any licensing or technology-transfer arrangement will be subject to confirmation of territorial rights and approval by the relevant rights holders.
2. Has the potential to simplify testing and reduce dependence on specialized readers.
3. May support decentralized testing following clinical validation and applicable regulatory authorization.
4. Provides a foundation for further diagnostic-kit development, clinical evaluation, and manufacturing collaboration.
2. Adult-onset immunodeficiency research
3. Clinical immunology and infectious-disease research
4. In vitro diagnostic-kit development
5. Potential decentralized testing following validation and regulatory authorization
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