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Oral delivery of insulin-loaded nanoparticles in diabetic rabbits and in sheep

Author

Listed:
  • S. Olya

    (Department of Animal Science, Isfahan University of Technology, Isfahan, Iran)

  • M. Khorvash

    (Department of Animal Science, Isfahan University of Technology, Isfahan, Iran)

  • H.R. Rahmani

    (Department of Animal Science, Isfahan University of Technology, Isfahan, Iran)

  • S. Esmaeilkhanian

    (Isfahan Research Center for Agriculture and Natural Resources, Isfahan, Iran)

  • B. Olya

    (Department of Physiology, Isfahan University of Medical Sciences, Isfahan, Iran)

  • H. Sadri

    (Institute of Animal Science, Physiology and Hygiene Unit, University of Bonn, Bonn, Germany
    Department of Clinical Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran)

Abstract

The objective of this study was to produce Eudragit® RS 100 microparticles (ERS) containing insulin (ILNP), and to evaluate the potential of these nanoparticles as a drug carrier for oral administration in alloxan-induced diabetic rabbits and in sheep. After oral administration of ILNP to diabetic rabbits, a significant hypoglycemic effect was observed and this effect lasted for 2 days. Concentrations of blood glucose were significantly decreased in ILNP-treated sheep compared to those in control and ERS groups on day 5 of the experiment. Orally ILNP-treated sheep exhibited higher concentrations of progesterone compared to control and ERS in all sampling times. Sheep in the ILNP group had lower concentrations of cortisol than the animals in the control group on days 1 and 3. However, other blood hormone parameters were not affected by the treatments. The results show that encapsulation of insulin into nanoparticles allows the preservation of its biological activity when going through digestive system of rabbit and sheep to the blood stream.

Suggested Citation

  • S. Olya & M. Khorvash & H.R. Rahmani & S. Esmaeilkhanian & B. Olya & H. Sadri, 2014. "Oral delivery of insulin-loaded nanoparticles in diabetic rabbits and in sheep," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 59(6), pages 251-256.
    • Handle: RePEc:caa:jnlcjs:v:59:y:2014:i:6:id:7495-cjas
    DOI: 10.17221/7495-CJAS
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