Cited by 665Developmental Biology and Gene RegulationGenomics and Chromatin DynamicsCancer-related Molecular Pathways

ID helix-loop-helix proteins in cell growth, differentiation and tumorigenesis

Norton, John D.·2000·Journal of Cell Science

Abstract

The ubiquitously expressed family of ID helix-loop-helix (HLH) proteins function as dominant negative regulators of basic HLH (bHLH) transcriptional regulators that drive cell lineage commitment and differentiation in metazoa. Recent data from cell line and in vivo studies have implicated the functions of ID proteins in other cellular processes besides negative regulation of cell differentiation. ID proteins play key roles in the regulation of lineage commitment, cell fate decisions and in the timing of differentiation during neurogenesis, lymphopoiesis and neovascularisation (angiogenesis). They are essential for embryogenesis and for cell cycle progression, and they function as positive regulators of cell proliferation. ID proteins also possess pro-apoptotic properties in a variety of cell types and function as cooperating or dominant oncoproteins in immortalisation of rodent and human cells and in tumour induction in Id-transgenic mice. In several human tumour types, the expression of ID proteins is deregulated, and loss- and gain-of-function studies implicate ID functions in the regulation of tumour growth, vascularisation, invasiveness and metastasis. More recent biochemical studies have also revealed an emerging 'molecular promiscuity' of mammalian ID proteins: they directly interact with and modulate the activities of several other families of transcriptional regulator, besides bHLH proteins.

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Crossref · 10.1242/jcs.113.22.3897

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Authors
Norton, J. D.
Affiliations
University of Essex (GB)
Corresponding author
Norton, John D.
Venue
Journal of Cell Science
Published
2000-11-15
Volume
113
Issue
22
Pages
3897-3905
ISSN
  • 0021-9533 (ISSN-L)
  • 1477-9137
OpenAlex
W2172326429
Cited by
665
References
78
Citations by year
2026: 6 · 2025: 5 · 2024: 12 · 2023: 9 · 2022: 11 · 2021: 8 · 2020: 12 · 2019: 14 · 2018: 15 · 2017: 16 · 2016: 21 · 2015: 27 · 2014: 35 · 2013: 31 · 2012: 26
FWCI
2.63
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Cell Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
Keywords
bHLH transcription factors, dominant negative regulation, cell differentiation, lineage commitment, cell cycle progression, cell proliferation, apoptosis, carcinogenesis, angiogenesis, lymphocyte development, neurogenesis, metastasis, tumor vascularity, cell immortalization, transcription factors, embryonic development
MeSH terms
Animals, Cell Cycle, Cell Differentiation, Cell Division, Cell Physiological Phenomena, Cell Transformation, Neoplastic, DNA-Binding Proteins, Humans, Mice, Transgenic, Repressor Proteins, Transcription Factors, Helix-Loop-Helix Motifs, Neovascularization, Physiologic, Mice, Inhibitor of Differentiation Protein 1

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