Expanding applications of allogeneic platelets, platelet lysates, and platelet extracellular vesicles in cell therapy, regenerative medicine, and targeted drug delivery

Table 2 Characteristics of the various types of allogeneic platelet concentrates prepared by blood establishments for transfusion purposes

Processing method	Suspension and storage solution		Leuco-reduction step	Cell count/PC unit
Processing method	Plasma (%)	Platelet additive solution (%)	Leuco-reduction step	Platelets	Leukocytes
Whole blood (buffy coat or PRP methods)	100			> 2 × 10¹¹	< 10⁹
	100		Yes		< 10⁶
	30–40	60–70			0.3 × 10⁹
	30–40	60–70	Yes		< 10⁶
Plateletpheresis	100				< 0.3 × 10⁹
	100		Yes		< 10⁶
	30–40	60–70			< 0.3 × 10⁹
	30–40	60–70	Yes		< 10⁶

ISSN: 1423-0127