“…Cell-free AF (cfAF, herein referred to as AF for the remainder) is safe and appears to be effective in treating wounds, osteoarthritis, and other degenerative conditions in both the clinic [ 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 ] and research lab [ 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 ]. It is clear that this complex biofluid contains proteins with chemotactic, pro-growth, and anti-inflammatory properties [ 46 , 47 , 48 ], but open questions remain regarding its use in regenerative medicine.…”