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Andrews GK, Lee DK, Ravindra R, Lichtlen P, Sirito M, Sawadogo M, Schaffner W. The transcription factors MTF-1 and USF1 cooperate to regulate mouse metallothionein-I expression in response to the essential metal zinc in visceral endoderm cells during early development. EMBO J 2001; 20:1114-22. [PMID: 11230134 PMCID: PMC145491 DOI: 10.1093/emboj/20.5.1114] [Citation(s) in RCA: 80] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2000] [Revised: 01/11/2001] [Accepted: 01/12/2001] [Indexed: 11/14/2022] Open
Abstract
During early development of the mouse embryo, expression of the metallothionein-I (MT-I) gene is heightened specifically in the endoderm cells of the visceral yolk sac. The mechanisms of regulation of this cell-specific pattern of expression of metallothionein-I are unknown. However, it has recently been shown that MTF-1, functioning as a metalloregulatory transcription factor, activates metallothionein genes in response to the essential metal zinc. In contrast with the metallothionein genes, MTF-1 is essential for development; null mutant embryos die due to liver degeneration. We report here that MTF-1 is absolutely essential for upregulation of MT-I gene expression in visceral endoderm cells and that optimal expression also involves interactions of the basic helix-loop-helix upstream stimulatory factor-1 (USF1) with an E-box1-containing sequence at -223 bp in the MT-I promoter. Expression of MT-I in visceral endoderm cells was dependent on maternal dietary zinc. Thus, the essential metal, zinc, apparently provides the signaling ligand that activates cell-specific MT-I expression in visceral endoderm cells.
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Affiliation(s)
- Glen K. Andrews
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KN 66160-7421, Department of Molecular Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA and Institute for Molecular Biology, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Present address: Department of Genetics, Lineberger Cancer Center, Room 11-109, Campus Box 7264, University of North Carolina, Chapel Hill, NC 27599-7264, USA Present address: ESBATech AG, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Corresponding author e-mail:
| | - Dae Kee Lee
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KN 66160-7421, Department of Molecular Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA and Institute for Molecular Biology, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Present address: Department of Genetics, Lineberger Cancer Center, Room 11-109, Campus Box 7264, University of North Carolina, Chapel Hill, NC 27599-7264, USA Present address: ESBATech AG, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Corresponding author e-mail:
| | - Rudravajhala Ravindra
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KN 66160-7421, Department of Molecular Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA and Institute for Molecular Biology, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Present address: Department of Genetics, Lineberger Cancer Center, Room 11-109, Campus Box 7264, University of North Carolina, Chapel Hill, NC 27599-7264, USA Present address: ESBATech AG, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Corresponding author e-mail:
| | - Peter Lichtlen
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KN 66160-7421, Department of Molecular Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA and Institute for Molecular Biology, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Present address: Department of Genetics, Lineberger Cancer Center, Room 11-109, Campus Box 7264, University of North Carolina, Chapel Hill, NC 27599-7264, USA Present address: ESBATech AG, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Corresponding author e-mail:
| | - Mario Sirito
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KN 66160-7421, Department of Molecular Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA and Institute for Molecular Biology, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Present address: Department of Genetics, Lineberger Cancer Center, Room 11-109, Campus Box 7264, University of North Carolina, Chapel Hill, NC 27599-7264, USA Present address: ESBATech AG, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Corresponding author e-mail:
| | - Michele Sawadogo
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KN 66160-7421, Department of Molecular Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA and Institute for Molecular Biology, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Present address: Department of Genetics, Lineberger Cancer Center, Room 11-109, Campus Box 7264, University of North Carolina, Chapel Hill, NC 27599-7264, USA Present address: ESBATech AG, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Corresponding author e-mail:
| | - Walter Schaffner
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KN 66160-7421, Department of Molecular Genetics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA and Institute for Molecular Biology, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Present address: Department of Genetics, Lineberger Cancer Center, Room 11-109, Campus Box 7264, University of North Carolina, Chapel Hill, NC 27599-7264, USA Present address: ESBATech AG, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland Corresponding author e-mail:
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