Effect of systematic interleukin-3 administration on epithelial cell proliferation in mouse intestine

S. K. Saxena, D. A. Crouse, John G Sharp

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The effect of interleukin-3 (IL-3) on the crypt cell production rate (CCPR) in the intestine of mice was studied using a stathmokinetic technique combined with crypt microdissection. Interleukin-3 (0.71 μgm/injection) was administered subcutaneously (s.c.) as two injections per day for 7 successive days and small mucosal pieces (duodenum, jejunum, ileum and colon) removed at necropsy were organ cultured in the presence of the metaphase arrest agent vincristine sulfate for two hours. The number of metaphases was enumerated in dissected crypts and CCPR calculated. The results demonstrated that the CCPR was significantly increased in all mucosal segments in the IL-3 treated animals compared to saline injected controls. These results suggest that the growth promoting properties of IL-3 are not restricted to hematopoietic cells when used in vivo and may directly or indirectly increase epithelial cell turnover in gut mucosa.

Original languageEnglish (US)
Pages (from-to)473-477
Number of pages5
JournalLife Sciences
Volume53
Issue number6
DOIs
StatePublished - 1993

Fingerprint

Interleukin-3
Cell proliferation
Intestines
Epithelial Cells
Cell Proliferation
Metaphase
Microdissection
Injections
Vincristine
Jejunum
Ileum
Duodenum
Colon
Mucous Membrane
Animals
Growth

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Pharmacology, Toxicology and Pharmaceutics(all)

Cite this

Effect of systematic interleukin-3 administration on epithelial cell proliferation in mouse intestine. / Saxena, S. K.; Crouse, D. A.; Sharp, John G.

In: Life Sciences, Vol. 53, No. 6, 1993, p. 473-477.

Research output: Contribution to journalArticle

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