Measurement of Frataxin mRNA in Biofluids

"A spinal tap will be done on you by your choice of bedside or in the interventional radiology (IR) suite in the Shands (Neuromedicine) hospital. This procedure will be done by trained technicians under medical supervision or the principal investigator. Local anesthesia will be used to numb the site of injection on your back. We plan to collect about 4 tablespoons of spinal fluid."

a sample of blood (approximately 4-5 tablespoonfuls) will be collected