PMID- 11896149 OWN - NLM STAT- MEDLINE DCOM- 20020327 LR - 20191023 IS - 1529-2401 (Electronic) IS - 0270-6474 (Print) IS - 0270-6474 (Linking) VI - 22 IP - 6 DP - 2002 Mar 15 TI - Impaired spatial cognition and synaptic potentiation in a murine model of human immunodeficiency virus type 1 encephalitis. PG - 2096-105 AB - Injection of human immunodeficiency virus type 1 (HIV-1)-infected human monocyte-derived macrophages (MDMs) into the basal ganglia of severe combined immunodeficient mice recapitulates histopathologic features of HIV-1 encephalitis (HIVE). Here, we show that the neural damage in HIVE mice extends beyond the basal ganglia and is associated with cognitive impairment. Morris water maze tests showed impaired spatial learning 8 d after MDM injection. Moreover, impaired synaptic potentiation in the hippocampal CA1 subregion was demonstrated at 8 and 15 d. By day 15, post-tetanic, short-term, and long-term potentiation were reduced by 14.1, 29.5, and 45.3% in HIVE mice compared with sham-injected or control animals. Neurofilament (NF) and synaptophysin (SP) antigens were decreased significantly in the CA2 hippocampal subregion of HIVE mice with limited neuronal apoptosis. By day 15, the CA2 region of HIVE mice expressed 3.8- and 2.6-fold less NF and SP than shams. These findings support the notion that HIV-1-infected and immune-competent brain macrophages can cause neuronal damage at distant anatomic sites. Importantly, the findings demonstrate the value of the model in exploring the physiological basis and therapeutic potential for HIV-1-associated dementia. FAU - Zink, Walter E AU - Zink WE AD - Center for Neurovirology and Neurodegenerative Disorders, University of Nebraska Medical Center, Omaha, Nebraska 68198-5215, USA. FAU - Anderson, Eric AU - Anderson E FAU - Boyle, Jeffrey AU - Boyle J FAU - Hock, Lynette AU - Hock L FAU - Rodriguez-Sierra, Jorge AU - Rodriguez-Sierra J FAU - Xiong, Huangui AU - Xiong H FAU - Gendelman, Howard E AU - Gendelman HE FAU - Persidsky, Yuri AU - Persidsky Y LA - eng PT - Journal Article PL - United States TA - J Neurosci JT - The Journal of neuroscience : the official journal of the Society for Neuroscience JID - 8102140 RN - 0 (Antigens, Differentiation) SB - IM MH - AIDS Dementia Complex/complications/*physiopathology/virology MH - Animals MH - Antigens, Differentiation/biosynthesis MH - Basal Ganglia/pathology/physiopathology/virology MH - Behavior, Animal MH - Cells, Cultured MH - Cognition Disorders/etiology/*physiopathology MH - Disease Models, Animal MH - Disease Progression MH - Electric Stimulation MH - Evoked Potentials MH - HIV-1/*pathogenicity MH - Hippocampus/pathology/physiopathology MH - Humans MH - In Situ Nick-End Labeling MH - In Vitro Techniques MH - *Long-Term Potentiation MH - Macrophages/pathology/transplantation/virology MH - Male MH - Maze Learning MH - Mice MH - Mice, SCID MH - Neurons/metabolism/pathology MH - *Synaptic Transmission MH - Transplantation, Heterologous PMC - PMC6758279 EDAT- 2002/03/16 10:00 MHDA- 2002/03/28 10:01 PMCR- 2002/09/15 CRDT- 2002/03/16 10:00 PHST- 2002/03/16 10:00 [pubmed] PHST- 2002/03/28 10:01 [medline] PHST- 2002/03/16 10:00 [entrez] PHST- 2002/09/15 00:00 [pmc-release] AID - 22/6/2096 [pii] AID - 6089 [pii] AID - 10.1523/JNEUROSCI.22-06-02096.2002 [doi] PST - ppublish SO - J Neurosci. 2002 Mar 15;22(6):2096-105. doi: 10.1523/JNEUROSCI.22-06-02096.2002.