NF-kappaB inhibition after neonatal cerebral hypoxia-ischemia improves long-term motor and cognitive outcome in rats. 2010

Michael A van der Kooij, and Cora H Nijboer, and Frauke Ohl, and Floris Groenendaal, and Cobi J Heijnen, and Frank van Bel, and Annemieke Kavelaars
Department of Psychoneuroimmunology, University Medical Center Utrecht, Utrecht, The Netherlands.

We recently demonstrated that inhibition of the NF-kappaB-pathway by the specific peptide inhibitor TAT-NBD markedly reduced cerebral injury in a rat model of perinatal hypoxic-ischemic (HI) brain damage. The aim of the current study was to assess whether neuroprotection by TAT-NBD is associated with long-term functional improvements after neonatal HI. Postnatal-day 7 rats subjected to HI showed motor deficits in the cylinder rearing test and adhesive removal task. HI-treated animals also showed cognitive impairments in a visuo-spatial learning task (modified hole board) as defined by an increased latency to complete this task and increased numbers of short- and long-term memory errors. HI animals treated with TAT-NBD [20mg/kg i.p.] at 0 and 3h post-HI did not show impairments in the cylinder rearing test, adhesive removal task and modified hole board. In conclusion, the almost complete reduction in lesion size observed after TAT-NBD treatment was associated with long-lasting normalization of sensorimotor and cognitive functions.

UI MeSH Term Description Entries
D009048 Motor Skills Performance of complex motor acts. Motor Skill,Skill, Motor,Skills, Motor
D009474 Neurons The basic cellular units of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the NERVOUS SYSTEM. Nerve Cells,Cell, Nerve,Cells, Nerve,Nerve Cell,Neuron
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D003071 Cognition Intellectual or mental process whereby an organism obtains knowledge. Cognitive Function,Cognitions,Cognitive Functions,Function, Cognitive,Functions, Cognitive
D003463 Cues Signals for an action; that specific portion of a perceptual field or pattern of stimuli to which a subject has learned to respond. Cue
D000704 Analysis of Variance A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable. ANOVA,Analysis, Variance,Variance Analysis,Analyses, Variance,Variance Analyses
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001522 Behavior, Animal The observable response an animal makes to any situation. Autotomy Animal,Animal Behavior,Animal Behaviors
D015398 Signal Transduction The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway. Cell Signaling,Receptor-Mediated Signal Transduction,Signal Pathways,Receptor Mediated Signal Transduction,Signal Transduction Pathways,Signal Transduction Systems,Pathway, Signal,Pathway, Signal Transduction,Pathways, Signal,Pathways, Signal Transduction,Receptor-Mediated Signal Transductions,Signal Pathway,Signal Transduction Pathway,Signal Transduction System,Signal Transduction, Receptor-Mediated,Signal Transductions,Signal Transductions, Receptor-Mediated,System, Signal Transduction,Systems, Signal Transduction,Transduction, Signal,Transductions, Signal
D016328 NF-kappa B Ubiquitous, inducible, nuclear transcriptional activator that binds to enhancer elements in many different cell types and is activated by pathogenic stimuli. The NF-kappa B complex is a heterodimer composed of two DNA-binding subunits: NF-kappa B1 and relA. Immunoglobulin Enhancer-Binding Protein,NF-kappa B Complex,Nuclear Factor kappa B,Transcription Factor NF-kB,kappa B Enhancer Binding Protein,Ig-EBP-1,NF-kB,NF-kappaB,Nuclear Factor-Kappab,Complex, NF-kappa B,Enhancer-Binding Protein, Immunoglobulin,Factor NF-kB, Transcription,Factor-Kappab, Nuclear,Ig EBP 1,Immunoglobulin Enhancer Binding Protein,NF kB,NF kappa B Complex,NF kappaB,NF-kB, Transcription Factor,Nuclear Factor Kappab,Transcription Factor NF kB

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