Evaluation of insulin-like growth factor-1 in a mouse model of long-term abdominal radiation toxicity

Carsten Nieder, Lu Cai, Wolfgang A. Weber, Sabine Schill, Nicolaus Andratschke, Markus Schwaiger, Michael Molls

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The purpose of these experiments was to test whether a brief course of insulin-like growth factor-1 (IGF-1) injection (escalating doses) concomitant to irradiation ameliorates radiation-induced kidney dysfunction and lethal bowel toxicity in a mouse model of unilateral high-dose irradiation of the kidney and adjacent bowel. The kidney function was assessed by means of repeated 99mTc-dimercaptosuccinate scans (every six weeks) during a maximum follow-up of 49 weeks. The experiments with single fractions of 12 Gy and 15 Gy revealed only minor differences in the severity of kidney dysfunction and no reduction in lethal bowel toxicity from IGF-1 treatment. In the absence of any significant radioprotective effect, other strategies of response modification need to be developed.

Original languageEnglish
Pages (from-to)183-188
Number of pages6
JournalAnticancer Research
Volume27
Issue number1 A
StatePublished - Jan 2007

Keywords

  • Insulin-like growth factor-1
  • Kidney
  • Radiation tolerance
  • Radiotherapy

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