Platelet production and platelet clearance are unchanged in Cib1^−/− mice. (A) Quantification of in vivo biotinylated platelets 24, 48, 72, and 168 hours after thiazole orange injection expressed as a percentage of baseline (1 hour after injection; n = 5). (B) Quantification of the percentage of reticulated platelets from WT and Cib1^−/− mouse blood (n = 5).