High-throughput phenotyping reveals expansive genetic and structural underpinnings of immune variation
Adam G. Laing,
Dmitry S Ushakov,
Jacqui K. White,
Katherine R. Bull,
Philippa R. Barton,
Keng I. Hng,
Tanya L. Crockford,
Kolawole O. Babalola,
Jeremy C. Mason,
Natasha A. Karp,
Carmen Ballesteros Reviriego,
Terrence F. Meehan,
Richard J Cornall,
Gillian M. Griffiths,
Adrian C. Hayday
Posted 02 Jul 2019
bioRxiv DOI: 10.1101/688010 (published DOI: 10.1038/s41590-019-0549-0)
Posted 02 Jul 2019
By developing a high-density murine immunophenotyping platform compatible with high-throughput genetic screening, we have established profound contributions of genetics and structure to immune variation. Specifically, high-throughput phenotyping of 530 knockout mouse lines identified 140 monogenic “hits” (>25%), most of which had never hitherto been implicated in immunology. Furthermore, they were conspicuously enriched in genes for which humans show poor tolerance to loss-of-function. The immunophenotyping platform also exposed dense correlation networks linking immune parameters with one another and with specific physiologic traits. By limiting the freedom of individual immune parameters, such linkages impose genetically regulated “immunological structures”, whose integrity was found to be associated with immunocompetence. Hence, our findings provide an expanded genetic resource and structural perspective for understanding and monitoring immune variation in health and disease.
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