biostudies-literatureLi RHLMaxine Adler Graduate Fellowship for Eric OntiverosCenter for Companion Animal Health, University of California, Davis2438-2446https://www.ebi.ac.uk/biostudies/studies/S-EPMC7694846biostudies-literatureUnknown34(6)<h4>Background</h4>A nonpedigreed male cat presented with epistaxis, severe bladder hemorrhage, and secondary urethral obstruction after cystocentesis.<h4>Objectives</h4>To characterize the phenotype of a cat with bleeding diathesis and use a precision medicine approach to identify the molecular genetic defect by whole genome sequencing.<h4>Methods</h4>Adenosine diphosphate (ADP) and arachidonic acid (AA)-induced whole blood platelet aggregometry was performed in the affected cat and a healthy cat. Platelet activation, measured by P-selectin expression, and surface integrin subunit β3 expression were evaluated by flow cytometry in the affected cat and healthy control. Total integrin subunit αIIb expression was assessed by western blot. Whole genome sequencing at 30× coverage was used to idJournal of veterinary internal medicinePrecision medicine identifies a pathogenic variant of the ITGA2B gene responsible for Glanzmann's thrombasthenia in a cat.PMC76948462019-30-F99 Lives Cat Genome ConsortiumStern JALi RHLHardy BTNguyen NOntiveros ELee EfalsePrecision medicine identifies a pathogenic variant of the ITGA2B gene responsible for Glanzmann's thrombasthenia in a cat.<h4>Background</h4>A nonpedigreed male cat presented with epistaxis, severe bladder hemorrhage, and secondary urethral obstruction after cystocentesis.<h4>Objectives</h4>To characterize the phenotype of a cat with bleeding diathesis and use a precision medicine approach to identify the molecular genetic defect by whole genome sequencing.<h4>Methods</h4>Adenosine diphosphate (ADP) and arachidonic acid (AA)-induced whole blood platelet aggregometry was performed in the affected cat and a healthy cat. Platelet activation, measured by P-selectin expression, and surface integrin subunit β3 expression were evaluated by flow cytometry in the affected cat and healthy control. Total integrin subunit αIIb expression was assessed by western blot. Whole genome sequencing at 30× coverage was used to id2020-01-01T00:00:00Z2020 Nov2026-05-02T19:19:51.582Z2021-02-20T07:41:47ZS-EPMC76948463293588110.1111/jvim.15886