, Volume 39, Issue 10, pp 1160–1161 | Cite as

‘In vivo’ effects of estradiol-17β in a freshwater fish,Barbus conchonius Hamilton

  • N. Khanna
  • T. Singh
Short Communications Endocrinology


‘In vivo’ effects of estradiol-17β were investigated in females of the teleostBarbus conchonius during the non-breeding phase. Fish treated with 25 μg estradiol-17β/individual revealed significant hypoglycemia and a reduction in liver glycogen reserves. Plasma amino nitrogen, FFA, and organic PO4 were elevated after estradiol therapy, whereas plasma cholesterol decreased. Liver cholesterol also fell in the treated fish. Estradiol-17β seems to play a crucial role in the initial stages of ovarian recrudescence by mobilizing energy reserves.


Nitrogen Cholesterol Crucial Role Estradiol Hypoglycemia 
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  1. 1.
    N.K. thanks the U.G.C. for the award of a research fellowship.Google Scholar
  2. 2.
    Bailey, C.J., and Matty, A.J., Horm. Metab. Res.4 (1972) 266.Google Scholar
  3. 3.
    De Vlaming, V.L., Shing, J., Paquette, G., and Vuchs, R., J. Fish Biol.10 (1977) 273.Google Scholar
  4. 4.
    De Vlaming, V.L., Vodicnik, M.J., Bauer, G., Murphy, T., and Evans, D., Life Sci.20 (1977) 1945.Google Scholar
  5. 5.
    Khoo, K.H., Can. J. Zool.57 (1979) 617.Google Scholar
  6. 6.
    Wallace, R.A., The Vertebrate Ovary. Plenum Press, New York 1978.Google Scholar
  7. 7.
    Nelson, N., J. biol. Chem.153 (1944) 375.Google Scholar
  8. 8.
    Zlatkis, A., Zak, B., and Boyle, A.J., J. Lab. clin. Med.41 (1953) 486.Google Scholar
  9. 9.
    Novak, M., J. Lipid Res.6 (1965) 431.Google Scholar
  10. 10.
    Zilversmit, D.B., and Davis, A.K., J. Lab. clin. Med.35 (1950) 155.Google Scholar
  11. 11.
    Oser, B.L., Hawk's Physiological Chemistry. McGraw Hill, New York 1965.Google Scholar
  12. 12.
    Seifter, S., Dayton, S., Novic, B., and Muntwyler, E., Archs Biochem.25 (1950) 191.Google Scholar
  13. 13.
    Lewander, K., Dave, G., Johannson, M.L., Larson, A., and Lidman, U., Comp. Biochem. Physiol.478 (1974) 571.Google Scholar
  14. 14.
    Takashima, F., Hibiya, T., Nagan, P.V., and Aida, K., Bull. Jap. Soc. scient. Fish.38 (1972) 43.Google Scholar
  15. 15.
    De Vlaming, V.L., Delahunty, G., Prack, M., and Bauer, G., Copeia4 (1979) 749.Google Scholar
  16. 16.
    Anand, T.C., and Sundararaj, B.I., Gen. comp. Endocr.22 (1974) 154.Google Scholar

Copyright information

© Birkhäuser Verlag 1983

Authors and Affiliations

  • N. Khanna
    • 1
  • T. Singh
    • 1
  1. 1.Department of ZoologyKumaun UniversityNaini Tal(India)

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