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Published bySolomon Chandler Modified over 9 years ago
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Keratoconus genetics research at CERA Tuesday 24 November 2015 Professor Paul Baird Ocular Genetics Unit TRANSLATIONAL GENOMICS
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Keratoconus – a genetic involvement Few genes replicated in more than one study so limited data to work with
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We would like to identify genes that influence the disease process - Disease progression - Response to treatment - Allow for detection of risk genes in children - Pre-diagnosis
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Ways we are identifying KC genes 3 approaches being used: Genes from corneal curvature from a myopia study - some of these genes appear associated with KC - establishing an international consortium eg HK RNA Sequencing - allows all expressed genes to be assessed Family studies - need KC families
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Keratoconus tissue Control tissue cornea Various molecular steps RNA Sequencing Extract RNA from tissue sample Run samples on sequencing machine Compare KC and control samples for differences
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Is this a true figure? Sporadic vs familial detection of early changes needs good imaging analysis eg Pentacam
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Assessing family history in Keratoconus
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Keratoconus Family 2 issues Unaffected individuals do not want to participate Unaffected individuals may have mild KC without knowing – need to image
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Keratoconus appears to have multiple genes – need to look for genes turned on/off - RNA Seq Need more individuals from KC families Need advanced imaging for detection of early changes to allow a better determination of family history Putting these findings together will allow a better understanding of disease and help improve patient care Key points
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