PMID- 16364693 OWN - NLM STAT- MEDLINE DCOM- 20070731 LR - 20180101 IS - 1525-0016 (Print) IS - 1525-0016 (Linking) VI - 13 IP - 3 DP - 2006 Mar TI - CNS-directed AAV2-mediated gene therapy ameliorates functional deficits in a murine model of infantile neuronal ceroid lipofuscinosis. PG - 538-47 AB - The neuronal ceroid lipofuscinoses (Batten disease) are a group of inherited neurodegenerative diseases characterized by the progressive intralysosomal accumulation of autofluorescent material in many cells, visual defects, seizures, cognitive deficits, and premature death. Infantile neuronal ceroid lipofuscinosis (INCL) has the earliest onset ( approximately 1.5 years of age) and is caused by a deficiency in the lysosomal enzyme palmitoyl protein thioesterase-1 (PPT1). Currently there is no effective treatment for children with INCL. In this study, newborn PPT1-deficient mice received two (cortex), four (cortex and hippocampus), or six (cortex, hippocampus, and cerebellum) bilateral intracranial injections of AAV2-PPT1. The AAV-treated animals had localized increases in PPT1 activity, decreased autofluorescent material, improved histologic parameters, and increased brain mass. In addition, the treated animals had dose-dependent improvements in a battery of behavioral tests and improved interictal electroencephalographic tracings. However, there was neither a significant decrease in seizure frequency nor an increase in longevity even in INCL animals receiving six injections. These data suggest that early treatment of INCL using gene transfer techniques can be efficacious. However, higher levels or a broader distribution of PPT1 expression, or both, will be required for more complete correction of this neurodegenerative disease. FAU - Griffey, Megan A AU - Griffey MA AD - Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA. FAU - Wozniak, David AU - Wozniak D FAU - Wong, Michael AU - Wong M FAU - Bible, Ellen AU - Bible E FAU - Johnson, Kendra AU - Johnson K FAU - Rothman, Steven M AU - Rothman SM FAU - Wentz, Annie E AU - Wentz AE FAU - Cooper, Jonathan D AU - Cooper JD FAU - Sands, Mark S AU - Sands MS LA - eng GR - NS043205/NS/NINDS NIH HHS/United States GR - NS41930/NS/NINDS NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't DEP - 20051220 PL - United States TA - Mol Ther JT - Molecular therapy : the journal of the American Society of Gene Therapy JID - 100890581 RN - 0 (Membrane Proteins) RN - EC 3.1.2.- (Thiolester Hydrolases) RN - EC 3.1.2.22 (PPT1 protein, human) RN - EC 3.1.2.22 (palmitoyl-protein thioesterase) SB - IM MH - Animals MH - Brain/metabolism/*physiology/virology MH - Child MH - Child, Preschool MH - Dependovirus/*genetics/physiology MH - Disease Models, Animal MH - *Genetic Therapy MH - Genetic Vectors/physiology/*therapeutic use MH - Humans MH - Longevity MH - Membrane Proteins/administration & dosage/biosynthesis/genetics MH - Mice MH - Mice, Knockout MH - Neuronal Ceroid-Lipofuscinoses/enzymology/genetics/*physiopathology/*therapy MH - Thiolester Hydrolases/deficiency/genetics EDAT- 2005/12/21 09:00 MHDA- 2007/08/01 09:00 CRDT- 2005/12/21 09:00 PHST- 2005/07/26 00:00 [received] PHST- 2005/10/31 00:00 [revised] PHST- 2005/11/02 00:00 [accepted] PHST- 2005/12/21 09:00 [pubmed] PHST- 2007/08/01 09:00 [medline] PHST- 2005/12/21 09:00 [entrez] AID - S1525-0016(05)01699-0 [pii] AID - 10.1016/j.ymthe.2005.11.008 [doi] PST - ppublish SO - Mol Ther. 2006 Mar;13(3):538-47. doi: 10.1016/j.ymthe.2005.11.008. Epub 2005 Dec 20.