Synthesis and biological properties of gamma-glutamyl-dermorphin, a prodrug

Aleksandra Misicka, Iwona Maszczynska, Andrzej W. Lipkowski, Dagmar Stropova, Henry I. Yamamura, Victor J Hruby

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The possibility of using the gamma-glutamyl-transpeptidase system for transformation of inactive propeptide, gamma-glutamyl-neuropeptides into active neuropeptides has been tested on dermorphin and its gamma-glutamyl analogue. Gamma-glutamyl-dermorphin 2 showed little affinity for opioid receptors. Nonetheless, systemic (intraperitoneal (i.p.), or intravenous (i.v.)) application of this compound induced significant antinociceptive effects, although ten to twenty-fold higher doses were required compared to the parent dermorphin 1. On the other hand, the analogue 2 showed high, antinociceptive activity when injected intrathecally (i.t.). When compared to dermorphin, 2 was one third as potent, but did show a significant prolonged duration of the effect. These results suggest that in the periphery, the peptidase metabolism which results in degradation of bioactivity, is offset by gammaglutamyl transpeptidase (GGTP) activity that liberates bioactive peptide 2. On the other hand, in the central nervous system, the activity of gamma-glutamyl transpeptidase system seems to be more effective than other peptidase systems, resulting in formation of active peptide 2 in a significant amount. These data suggests that gamma-glutamyl analogues of neuropeptides can be considered as potential prodrugs, especially for synthetic analogues which themselves are resistant to peptidase action.

Original languageEnglish (US)
Pages (from-to)905-911
Number of pages7
JournalLife Sciences
Volume58
Issue number11
DOIs
StatePublished - Feb 9 1996

Fingerprint

Prodrugs
Neuropeptides
Peptide Hydrolases
gamma-Glutamyltransferase
Peptidyl Transferases
Peptides
Neurology
Opioid Receptors
Bioactivity
Metabolism
Central Nervous System
Degradation
dermorphin

Keywords

  • Antinociception
  • Dermorphin
  • Gamma-glutamyl-dermorphin
  • Gamma-glutamyl-transpeptidase

ASJC Scopus subject areas

  • Pharmacology

Cite this

Misicka, A., Maszczynska, I., Lipkowski, A. W., Stropova, D., Yamamura, H. I., & Hruby, V. J. (1996). Synthesis and biological properties of gamma-glutamyl-dermorphin, a prodrug. Life Sciences, 58(11), 905-911. https://doi.org/10.1016/0024-3205(96)00033-1

Synthesis and biological properties of gamma-glutamyl-dermorphin, a prodrug. / Misicka, Aleksandra; Maszczynska, Iwona; Lipkowski, Andrzej W.; Stropova, Dagmar; Yamamura, Henry I.; Hruby, Victor J.

In: Life Sciences, Vol. 58, No. 11, 09.02.1996, p. 905-911.

Research output: Contribution to journalArticle

Misicka, A, Maszczynska, I, Lipkowski, AW, Stropova, D, Yamamura, HI & Hruby, VJ 1996, 'Synthesis and biological properties of gamma-glutamyl-dermorphin, a prodrug', Life Sciences, vol. 58, no. 11, pp. 905-911. https://doi.org/10.1016/0024-3205(96)00033-1
Misicka A, Maszczynska I, Lipkowski AW, Stropova D, Yamamura HI, Hruby VJ. Synthesis and biological properties of gamma-glutamyl-dermorphin, a prodrug. Life Sciences. 1996 Feb 9;58(11):905-911. https://doi.org/10.1016/0024-3205(96)00033-1
Misicka, Aleksandra ; Maszczynska, Iwona ; Lipkowski, Andrzej W. ; Stropova, Dagmar ; Yamamura, Henry I. ; Hruby, Victor J. / Synthesis and biological properties of gamma-glutamyl-dermorphin, a prodrug. In: Life Sciences. 1996 ; Vol. 58, No. 11. pp. 905-911.
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