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Increased intraspinal nerve growth factor (NGF) after spinal cord injury (SCI) is detrimental to the autonomic nervous system. Autonomic dysreflexia is a debilitating condition characterized by episodic hypertension, intense headache, and sweating. Experimentally, it is associated with aberrant primary afferent sprouting in the dorsal horn that is nerve(More)
Diarylguanidines, acting as NMDA receptor ion channel site ligands, represent a new class of potential neuroprotective drugs. Several diarylguanidines structurally related to N,N'-di-o-tolylguanidine (DTG), a known selective sigma receptor ligand, were synthesized and evaluated in in vitro radioligand displacement assays, with rat or guinea pig brain(More)
Changes in retinal neuron distribution may reflect normal or pathological changes in retinal function. The quantitative study of retinal neurons provides a better understanding of anomalous mechanisms, such as those controlling ocular growth and refractive error development in experimental animals. We developed a method to facilitate the quantitative(More)
With an eye toward the development of novel atypical antipsychotic agents, we have studied the structure-affinity relationships of N,N'-di-o-tolylguanidine (DTG, 3) and its congeners at the haloperidol-sensitive sigma receptor. A number of DTG analogues were synthesized and evaluated in in vitro radioligand displacement experiments with guinea pig brain(More)
A novel radiolabeled photoaffinity ligand has been synthesized for the phencyclidine (PCP) site of the N-methyl-D-aspartate (NMDA) receptor. N-(3-Azidophenyl)-N-methyl-N'-([4-3H]-1-naphthyl)guanidine (13) was prepared with a specific activity of 25 Ci/mmol by diazotization of N-(3-aminophenyl)-N-methyl-N'-([4-3H]-1-naphthyl)guanidine (12) followed by(More)
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