The inhibitory effects of bryostatin 1 administration on the growth of rabbit papillomas

  • Jason M. Bodily
  • , David J. Hoopes
  • , Beverly L. Roeder
  • , Sharon G. Gilbert
  • , George Pettit
  • , Cherry L. Herald
  • , Darin N. Rollins
  • , Richard A. Robison

Research output: Contribution to journalArticlepeer-review

Abstract

Bryostatin 1 is a protein kinase C modulator that shows antineoplastic activity in a variety of tumor systems. This study examined the effects of bryostatin 1 administration on papilloma growth in rabbits. Investigations of optimal route, dose, and schedule were performed. Several groups of rabbits were inoculated with cottontail rabbit papillomavirus (CRPV) DNA. Bryostatin 1 was administered i.v., both daily and weekly, and intralesionally both weekly and bi-weekly. Intralesionally dosed papillomas were examined histologically for immune cell infiltration. In weekly and daily i.v. trials, 2.5 and 1.0 μg/kg, respectively, showed the greatest overall reduction in tumor size. Bryostatin 1 administered intralesionally also slowed papilloma growth. Treated lesions had significantly higher numbers of heterophils and eosinophils. Copyright (C) 1999 Elsevier Science Ireland Ltd.

Original languageEnglish (US)
Pages (from-to)67-74
Number of pages8
JournalCancer Letters
Volume136
Issue number1
DOIs
StatePublished - Feb 8 1999

Keywords

  • Bryostatin 1
  • Cancer therapeutics
  • Cervical cancer
  • PKC
  • Papillomavirus

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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