PMID- 11031087 OWN - NLM STAT- MEDLINE DCOM- 20001207 LR - 20071114 IS - 0014-4886 (Print) IS - 0014-4886 (Linking) VI - 166 IP - 1 DP - 2000 Nov TI - BDNF protects against spatial memory deficits following neonatal hypoxia-ischemia. PG - 99-114 AB - Hypoxic-ischemic (H-I) brain injury in the human perinatal period often leads to significant long-term neurobehavioral dysfunction in the cognitive and sensory-motor domains. Using a neonatal H-I injury model (unilateral carotid ligation followed by hypoxia) in postnatal day seven rats, previous studies have shown that neurotrophins, such as brain-derived neurotrophic factor (BDNF), can be protective against neural tissue loss. The present study explored potential relationships between neural protective and behavioral protective strategies in this neonatal H-I model by determining if neonatal H-I was associated with behavioral spatial learning and memory deficits and whether the neurotrophin BDNF was protective against both brain injury and spatial learning/memory dysfunction. Postnatal day seven rats received vehicle or BDNF pretreatments (intracerebroventricular injections) followed by H-I or sham treatments and then tested for spatial learning and memory on the simple place task in the Morris water maze from postnatal days 20 to 30, and their brains were histologically analyzed at 4 weeks following treatments. H-I rats with vehicle pretreatment displayed significant tissue loss in the hippocampus (including CA1 neurons), cortex, and striatum, as well as severe spatial memory deficits (e.g., short probe times). BDNF pretreatment resulted in significant protection against both H-I-induced brain tissue losses and spatial memory impairments. These findings indicate that unilateral H-I brain injury in a neonatal rodent model is associated with cognitive deficits, and that BDNF pretreatment is protective against both brain injury and spatial memory impairment. CI - Copyright 2000 Academic Press. FAU - Almli, C R AU - Almli CR AD - Department of Neurology, Washington University School of Medicine, St. Louis, Missouri 63108-2212, USA. FAU - Levy, T J AU - Levy TJ FAU - Han, B H AU - Han BH FAU - Shah, A R AU - Shah AR FAU - Gidday, J M AU - Gidday JM FAU - Holtzman, D M AU - Holtzman DM LA - eng GR - NS35902/NS/NINDS NIH HHS/United States PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, P.H.S. PL - United States TA - Exp Neurol JT - Experimental neurology JID - 0370712 RN - 0 (Brain-Derived Neurotrophic Factor) SB - IM MH - Animals MH - Animals, Newborn/*physiology MH - Asphyxia Neonatorum/*drug therapy/pathology/physiopathology MH - Brain/drug effects/pathology/physiopathology MH - Brain Injuries/drug therapy/pathology/physiopathology MH - Brain-Derived Neurotrophic Factor/metabolism/*pharmacology MH - Cell Count MH - Disease Models, Animal MH - Female MH - Humans MH - Hypoxia-Ischemia, Brain/*drug therapy/pathology/physiopathology MH - Infant, Newborn MH - Maze Learning/drug effects/physiology MH - Memory Disorders/*drug therapy/pathology/physiopathology MH - Nerve Degeneration/drug therapy/pathology/physiopathology MH - Pregnancy MH - Rats MH - Recovery of Function/drug effects/physiology EDAT- 2000/10/14 11:00 MHDA- 2001/02/28 10:01 CRDT- 2000/10/14 11:00 PHST- 2000/10/14 11:00 [pubmed] PHST- 2001/02/28 10:01 [medline] PHST- 2000/10/14 11:00 [entrez] AID - S0014-4886(00)97492-2 [pii] AID - 10.1006/exnr.2000.7492 [doi] PST - ppublish SO - Exp Neurol. 2000 Nov;166(1):99-114. doi: 10.1006/exnr.2000.7492.