, Volume 40, Issue 9, pp 942–944 | Cite as

Estrogens in insects

  • R. Mechoulam
  • R. W. Brueggemeier
  • D. L. Denlinger


Insects representing 5 different orders contain androgen and estrogen-like substances as determined by radioimmunoassay. Estradiol and estriol have been identified by gas chromatography-mass spectrometry. The presence of these steroids in insects suggests that the vertebrate sex hormones have an ancient evolutionary history.

Key words

Insect hormones estradiol estriol evolution sex hormones 


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Copyright information

© Birkhäuser Verlag 1984

Authors and Affiliations

  • R. Mechoulam
    • 1
    • 2
  • R. W. Brueggemeier
    • 1
    • 2
  • D. L. Denlinger
    • 1
    • 2
  1. 1.Department of Natural ProductsHebrew University, School of PharmacyJerusalemIsrael
  2. 2.College of Pharmacy and Department of EntomologyOhio State UniversityColumbusUSA

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