WASHINGTON, June 12 /PRNewswire-FirstCall/ -- Sangamo BioSciences, Inc., (Nasdaq: SGMO - News) announced today the presentation of encouraging Phase 1b clinical data from its ZFP Therapeutic(TM) program in a presentation at the 66th Scientific Sessions of the American Diabetes Association (ADA). Sangamo is developing SB-509, a formulation of a zinc finger DNA-binding protein transcription factor (ZFP TF(TM)), designed to upregulate the expression of the gene encoding vascular endothelial growth factor (VEGF-A), for the treatment of diabetic neuropathy. In the presentation entitled, “Single Treatment, Phase 1b Trial of a Zinc Finger DNA-binding Protein (ZFP) Activator (SB-509) of Vascular Endothelial Growth Factor (VEGF) in Subjects with Diabetic Neuropathy (DN) Shows Clinical Tolerability and Improvements in Pain and Neurologic Effects,” researchers reported positive findings from Sangamo’s Phase 1a and 1b clinical trial in subjects with diabetic neuropathy.