| The relation of brain ouabain-like compounds and idiopathic intracranial hypertension. | |
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MedLine Citation:
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PMID: 16942469 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: To determine the relationship between levels of ouabain-like compounds (OLC) in the cerebrospinal fluid (CSF) and the occurence of idiopathic intracranial hypertension (IIH). BACKGROUND: OLC are naturally occurring inhibitors of the sodium-potassium ATPase that are found in the CSF of mammals. Since the production of CSF is dependent upon sodium-potassium ATPase activity, and since there is evidence that the increased intracranial pressure found in the condition of IIH may be the result of increased CSF production, we hypothesized that the level of endogenous OLC would be reduced in the CSF of patients with IIH. METHODS: CSF samples were obtained from n = 7 patients with IIH and n = 31 patients with neurological disorders other than IIH ("control" patients) who had lumbar puncture as part of their routine evaluation or treatment. The concentration of OLC in the CSF samples was measured using an established ELISA. RESULTS: Patients with IIH exhibited a concentration of OLC in the CSF of 0.11 +/- 0.03 ng/mL. In comparison, the concentration of OLC in CSF samples from non-IIH control patients was 0.12 +/- 0.01 ng/mL. These values were not statistically different when compared with a t-test (P= 0.31). However, the concentration of OLC did negatively correlate to the opening pressure on lumbar puncture, but only in the IIH group (r=-0.80, P= .03). Furthermore, IIH patients who were newly diagnosed or who were unsuccessfully treated (n = 5 of 7 IIH patients) exhibited OLC concentrations of 0.06 +/- 0.1 ng/mL, which is nearly lower than that of the control group (P= .06). CONCLUSIONS: The average concentration of OLC in IIH patients (treated and untreated) is unlikely to be distinguishable from that in non-IIH control patients with other neurological conditions. However, the concentration of OLC may be inversely related to the intracranial pressure in patients with IIH, and it may prove to be lower in the subgroup of untreated and unsuccessfully treated IIH patients. |
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Authors:
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Mark Borsody; Irene Semenov; Kathleen Carroll; Amy Kessler; Jordan Dubow; Edward Olson; Jennifer Stern; Ana Barion; Chris Hammond; Gregory Van Stavern; Jeffrey Raizer; Rosalyn White; Frans Leenen |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Headache Volume: 46 ISSN: 0017-8748 ISO Abbreviation: Headache Publication Date: 2006 Sep |
Date Detail:
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Created Date: 2006-08-31 Completed Date: 2007-02-13 Revised Date: 2009-02-02 |
Medline Journal Info:
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Nlm Unique ID: 2985091R Medline TA: Headache Country: United States |
Other Details:
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Languages: eng Pagination: 1255-60 Citation Subset: IM |
Affiliation:
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Northern Neurosciences, Inc., Dearborn, MI, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Female Humans Intracranial Pressure Male Middle Aged Ouabain / cerebrospinal fluid* Pseudotumor Cerebri / cerebrospinal fluid*, physiopathology |
| Chemical | |
Reg. No./Substance:
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630-60-4/Ouabain |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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