Elements of the rabbit uteroglobin promoter mediating its transcription in epithelial cells from the endometrium and lung.

G. Suske, W. Lorenz, J. Klug, A. F. Gazdar, M. Beato

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The rabbit uteroglobin gene is specifically expressed in certain epithelial cells of ontogenetically unrelated origin. In the endometrium, expression is restricted to the glandular and luminal epithelium and is inducible by progesterone and estradiol. In the lung, Clara cells lining the bronchiolar epithelium show constitutive expression of uteroglobin, which is modulated by glucocorticoids. To explore the molecular basis for this cell type specificity, we have transiently transfected the uteroglobin promoter region fused to the chloramphenicol acetyl transferase gene (CAT gene) in the endometrial cell line Ishikawa; in the human lung cell line NCI-H441, which shows morphological Clara cell characteristics; in HeLa cells; and in three fibroblast cell lines. The uteroglobin promoter efficiently drives expression of the CAT gene in Ishikawa and NCI-H441 cells, but not in HeLa and fibroblast cells. To identify the responsible elements we have analyzed progressive promoter 5'-deletion mutants and randomly generated linker scanning mutants spanning the sequence from -258 to -14 of the uteroglobin promoter. Transfection experiments reveal seven mutation-sensitive regions located around -30, -70, -95, -130, -190, -230, and -255. Several mutants display strong cell type-specific phenotypes. Most significantly, the integrity of the region around -190 is essential for full CAT gene expression in Ishikawa cells, but not in NCI-H441 cells.

Original languageEnglish (US)
Pages (from-to)339-352
Number of pages14
JournalGene Expression
Volume2
Issue number4
StatePublished - 1992

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Uteroglobin
Endometrium
Epithelial Cells
Rabbits
Lung
Chloramphenicol
Transferases
HeLa Cells
Cell Line
Epithelium
Fibroblasts
Genes
Genetic Promoter Regions
Glucocorticoids
Transfection
Progesterone
Estradiol
Phenotype
Gene Expression
Mutation

ASJC Scopus subject areas

  • Genetics

Cite this

Elements of the rabbit uteroglobin promoter mediating its transcription in epithelial cells from the endometrium and lung. / Suske, G.; Lorenz, W.; Klug, J.; Gazdar, A. F.; Beato, M.

In: Gene Expression, Vol. 2, No. 4, 1992, p. 339-352.

Research output: Contribution to journalArticle

Suske, G. ; Lorenz, W. ; Klug, J. ; Gazdar, A. F. ; Beato, M. / Elements of the rabbit uteroglobin promoter mediating its transcription in epithelial cells from the endometrium and lung. In: Gene Expression. 1992 ; Vol. 2, No. 4. pp. 339-352.
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