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From the Departments of Neurology (Drs. Thal, Sharpless, and Rosenbaum), Psychiatry (Dr. Sharpless), and Pathology (Dr. Davies), Albert Einstein College of Medicine, Bronx, NY; the Center for Physiological Neurosurgery at Westchester County Medical Center (Dr. Amin), Valhalla, NY; and the Department of Neurological Surgery (Dr. Waltz), St. Barnabas Hospital, Bronx, NY.
Somatostatin was measured in CSF from individuals with a variety of neurologic diseases. In ventricular CSF, somatostatin concentration was significantly lower in individuals with childhood-onset dystonia than in individuals with other forms of dystonia or with other disorders. Severity of childhood dystonia correlated with somatostatin concentration, suggesting a progressive dysfunction of somatostatin-containing neurons with increasing disease severity. There were no significant differences in somatostatin concentration in lumbar CSF. Multiple forms of immunoreactive somatostatin were found in a pool of lumbar CSF from normal individuals. Labeled somatostatin administered intra-arterially to rats failed to cross the blood-brain barrier.
Address correspondence and reprint requests to Dr. Thal, Chief of Neurology (127), San Diego VA Medical Center, 3350 La Jolla Village Drive, La Jolla, CA 92161.
Supported by a grant from the Dystonia Medical Research Foundation and by NIH grants NS09649 and AG02478.
Accepted for publication April 3, 1985
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