Cited by 116Genomics and Chromatin DynamicsDevelopmental Biology and Gene RegulationT-cell and B-cell Immunology

TFEC is a macrophage-restricted member of the microphthalmia-TFE subfamily of basic helix-loop-helix leucine zipper transcription factors

Rehli, Michael, Lichanska, Agnieszka, Cassady, A Ian, Ostrowski, Michael C, Hume, David A·1999·The Journal of Immunology

Abstract

The murine homologue of the TFEC was cloned as part of an analysis of the expression of the microphthalmia-TFE (MiT) subfamily of transcription factors in macrophages. TFEC, which most likely acts as a transcriptional repressor in heterodimers with other MiT family members, was identified in cells of the mononuclear phagocyte lineage, coexpressed with all other known MiT subfamily members (Mitf, TFE3, TFEB). Northern blot analysis of several different cell lineages indicated that the expression of murine TFEC (mTFEC) was restricted to macrophages. A 600-bp fragment of the TATA-less putative proximal promoter of TFEC shares features with many known macrophage-specific promoters and preferentially directs luciferase expression in the RAW264.7 macrophage cell line in transient transfection assays. Five of six putative Ets motifs identified in the TFEC promoter bind the macrophage-restricted transcription factor PU.1 under in vitro conditions and in transfected 3T3 fibroblasts; the minimal luciferase activity of the TFEC promoter could be induced by coexpression of PU.1 or the related transcription factor Ets-2. The functional importance of the tissue-restricted expression of TFEC and a possible role in macrophage-specific gene regulation require further investigation, but are likely to be linked to the role of the other MiT family members in this lineage.

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Crossref · 10.4049/jimmunol.162.3.1559

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Authors
Rehli, M., Lichanska, A., Cassady, A. I., Ostrowski, M. C., & Hume, D. A.
Affiliations
  • The University of Queensland (AU)
  • The Ohio State University (US)
Venue
The Journal of Immunology
Published
1999-02-01
Volume
162
Issue
3
Pages
1559-1565
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W2101675954
Cited by
116
References
8
Citations by year
2026: 3 · 2025: 6 · 2024: 1 · 2023: 2 · 2022: 4 · 2021: 7 · 2020: 8 · 2019: 5 · 2018: 6 · 2017: 4 · 2016: 4 · 2015: 2 · 2014: 5 · 2013: 1 · 2012: 4
FWCI
1.63
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
TFEC, macrophages, transcriptional repressor, heterodimerization, MITF, TFE3, TFEB, promoter analysis, PU.1, ETS2, RAW 264.7 macrophages
MeSH terms
Proto-Oncogene Protein Spi-1, Amino Acid Sequence, Animals, Base Sequence, Cell Line, Cloning, Molecular, DNA-Binding Proteins, Macrophages, Microphthalmos, Molecular Sequence Data, Osteoclasts, Promoter Regions, Genetic, Proto-Oncogene Proteins, Sequence Homology, Nucleic Acid, Transcription Factors, Transcriptional Activation, Trans-Activators, Leucine Zippers, DNA, Complementary, Helix-Loop-Helix Motifs, Mice, Basic Helix-Loop-Helix Leucine Zipper Transcription Factors

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