Journal article Open Access

Steroid hormone metabolites are barbiturate-like modulators of the GABA receptor

Majewska, M.; Harrison, N.; Schwartz, R.; Barker, J.; Paul, S.


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  <identifier identifierType="URL">https://zenodo.org/record/1230988</identifier>
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    <creator>
      <creatorName>Majewska, M.</creatorName>
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    <creator>
      <creatorName>Harrison, N.</creatorName>
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      <familyName>Harrison</familyName>
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    <creator>
      <creatorName>Schwartz, R.</creatorName>
      <givenName>R.</givenName>
      <familyName>Schwartz</familyName>
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    <creator>
      <creatorName>Barker, J.</creatorName>
      <givenName>J.</givenName>
      <familyName>Barker</familyName>
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    <creator>
      <creatorName>Paul, S.</creatorName>
      <givenName>S.</givenName>
      <familyName>Paul</familyName>
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  <titles>
    <title>Steroid hormone metabolites are barbiturate-like modulators of the GABA receptor</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>1986</publicationYear>
  <dates>
    <date dateType="Issued">1986-05-23</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/1230988</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1126/science.2422758</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/publicdomain/zero/1.0/legalcode">Creative Commons Zero v1.0 Universal</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
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  <descriptions>
    <description descriptionType="Abstract">Two metabolites of the steroid hormones progesterone and deoxycorticosterone, 3 alpha-hydroxy-5 alpha-dihydroprogesterone and 3 alpha, 5 alpha-tetrahydrodeoxycorticosterone, are potent barbiturate-like ligands of the gamma-aminobutyric acid (GABA) receptor-chloride ion channel complex. At concentrations between 10(-7) and 10(-5)M both steroids inhibited binding of the convulsant t-butylbicyclophosphorothionate to the GABA-receptor complex and increased the binding of the benzodiazepine flunitrazepam; they also stimulated chloride uptake (as measured by uptake of 36Cl-) into isolated brain vesicles, and potentiated the inhibitory actions of GABA in cultured rat hippocampal and spinal cord neurons. These data may explain the ability of certain steroid hormones to rapidly alter neuronal excitability and may provide a mechanism for the anesthetic and hypnotic actions of naturally occurring and synthetic anesthetic steroids.</description>
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