Lymphocyte Gene Therapy for Mild Hunter Syndrome 
4.9.5 Leukocyte And Plasma IDS Enzyme Activity 
Measurement of IDS activity in plasma, lymphocytes, and neutrophils will be obtained 
immediately prior to, and following, each infusion of L2SN-transduced lymphocytes. 
4.9.6 Quantitation Of PBL-L2SN 
The number of circulating transduced cells will be determined by quantitative PCR at 
appropriate intervals following the infusion of L2SN-transduced lymphocytes. 
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