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We investigated whether new neurons generated in the adult rat brain following lateral fluid percussion traumatic brain injury (TBI) are capable of projecting axons along the mossy fiber pathway to the CA3 region of the hippocampus. Dividing cells were labeled by intraperitoneal injection of bromodeoxyuridine (BrdU) on the day of surgery/injury, and neurons(More)
The potential of mature central nervous system (CNS) neurons to regenerate after injury represents a fundamental issue in neurobiology. The regional expression of proteins associated with axonal elongation, such as microtubule-associated protein 1B (MAP1B), its phosphorylated isoform (MAP1B-P), growth-associated protein 43 (GAP-43), and polysialylated(More)
The adult central nervous system (CNS) appears to initiate a transient increase in plasticity following injury, including increases in growth-related proteins and generation of new cells. Recent evidence is reviewed that the injured adult CNS exhibits events and patterns of gene expression that are also observed during development and during regeneration(More)
Administration of magnesium has been shown to be neuroprotective in experimental models of traumatic brain injury (TBI). The present study examined the effect of magnesium on posttraumatic regional induction of p53, a gene associated with induction of cell death. Male Sprague-Dawley rats (350-400 g, n = 26) were anesthetized with sodium pentobarbital and(More)
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