RICHMOND, Calif.--(BUSINESS WIRE)--Sangamo Therapeutics, Inc. (Nasdaq: SGMO), a genomic medicine company, today announced preclinical data from its proprietary adeno-associated virus (AAV) capsid variant, STAC-BBB, that demonstrated robust penetration of the blood-brain barrier (BBB) and strong transgene expression throughout the central nervous system (CNS) of NHPs when administered intravenously at clinically-relevant doses, outperforming results obtained by Sangamo for other known neurotropic capsid vari ...