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Role of helix-loop-helix proteins during differentiation of erythroid cells. 2011

Archana Anantharaman, and I-Ju Lin, and Joeva Barrow, and Shermi Y Liang, and Jude Masannat, and John Strouboulis, and Suming Huang, and Jörg Bungert
Department of Biochemistry and Molecular Biology, College of Medicine, Genetics Institute, Center for Epigenetics, Shands Cancer Center, University of Florida, Gainesville, FL 32610-0245, USA.

Helix-loop-helix (HLH) proteins play a profound role in the process of development and cellular differentiation. Among the HLH proteins expressed in differentiating erythroid cells are the ubiquitous proteins Myc, USF1, USF2, and TFII-I, as well as the hematopoiesis-specific transcription factor Tal1/SCL. All of these HLH proteins exhibit distinct functions during the differentiation of erythroid cells. For example, Myc stimulates the proliferation of erythroid progenitor cells, while the USF proteins and Tal1 regulate genes that specify the differentiated phenotype. This minireview summarizes the known activities of Myc, USF, TFII-I, and Tal11/SCL and discusses how they may function sequentially, cooperatively, or antagonistically in regulating expression programs during the differentiation of erythroid cells.

UI MeSH Term Description Entries
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D005786 Gene Expression Regulation Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control (induction or repression) of gene action at the level of transcription or translation. Gene Action Regulation,Regulation of Gene Expression,Expression Regulation, Gene,Regulation, Gene Action,Regulation, Gene Expression
D005914 Globins A superfamily of proteins containing the globin fold which is composed of 6-8 alpha helices arranged in a characterstic HEME enclosing structure. Globin
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014157 Transcription Factors Endogenous substances, usually proteins, which are effective in the initiation, stimulation, or termination of the genetic transcription process. Transcription Factor,Factor, Transcription,Factors, Transcription
D018257 Helix-Loop-Helix Motifs Recurring supersecondary structures characterized by 20 amino acids folding into two alpha helices connected by a non-helical "loop" segment. They are found in many sequence-specific DNA-BINDING PROTEINS and in CALCIUM-BINDING PROTEINS. HLH Motifs,Helix-Loop-Helix Domain,Helix-Loop-Helix Domains,Helix-Loop-Helix Motif,Motifs, Helix-Loop-Helix,HLH Motif,Helix Loop Helix Domain,Helix Loop Helix Domains,Helix Loop Helix Motif,Helix Loop Helix Motifs,Motif, HLH,Motif, Helix-Loop-Helix,Motifs, HLH,Motifs, Helix Loop Helix
D041905 Erythroid Cells The series of cells in the red blood cell lineage at various stages of differentiation. Erythron,Cell, Erythroid,Erythroid Cell

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