FOG-2, a heart- and brain-enriched cofactor for GATA transcription factors

Jian Rong Lu, Timothy A. McKinsey, Hongtao Xu, Da Zhi Wang, James A. Richardson, Eric N. Olson

Research output: Contribution to journalArticle

170 Citations (Scopus)

Abstract

Members of the GATA family of zinc finger transcription factors have been shown to play important roles in the control of gene expression in a variety of cell types. GATA-1, -2, and -3 are expressed primarily in hematopoietic cell lineages and are required for proliferation and differentiation of multiple hematopoietic cell types, whereas GATA-4, -5, and -6 are expressed in the heart, where they activate cardiac muscle structural genes. Friend of GATA-1 (FOG) is a multitype zinc finger protein that interacts with GATA-1 and serves as a cofactor for GATA-1-mediated transcription. FOG is coexpressed with GATA-1 in developing erythroid and megakaryocyte cell lineages and cooperates with GATA-1 to control erythropoiesis. We describe a novel FOG-related factor, FOG-2, that is expressed predominantly in the developing and adult heart, brain, and testis. FOG-2 interacts with GATA factors, and interaction of GATA-4 and FOG-2 results in either synergistic activation or repression of GATA-dependent cardiac promoters, depending on the specific promoter and the cell type in which they are tested. The properties of FOG-2 suggest its involvement in the control of cardiac and neural gene expression by GATA transcription factors.

Original languageEnglish (US)
Pages (from-to)4495-4502
Number of pages8
JournalMolecular and Cellular Biology
Volume19
Issue number6
StatePublished - Jun 1999

Fingerprint

GATA Transcription Factors
Brain
Zinc Fingers
Cell Lineage
Gene Expression
Erythroid Cells
Megakaryocytes
Erythropoiesis
Testis
Myocardium
Transcription Factors

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Cell Biology

Cite this

FOG-2, a heart- and brain-enriched cofactor for GATA transcription factors. / Lu, Jian Rong; McKinsey, Timothy A.; Xu, Hongtao; Wang, Da Zhi; Richardson, James A.; Olson, Eric N.

In: Molecular and Cellular Biology, Vol. 19, No. 6, 06.1999, p. 4495-4502.

Research output: Contribution to journalArticle

Lu, Jian Rong ; McKinsey, Timothy A. ; Xu, Hongtao ; Wang, Da Zhi ; Richardson, James A. ; Olson, Eric N. / FOG-2, a heart- and brain-enriched cofactor for GATA transcription factors. In: Molecular and Cellular Biology. 1999 ; Vol. 19, No. 6. pp. 4495-4502.
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