Gata2 Gfi1b Cfos Etv6
Gata2 Gfi1b Cfos Etv6 - Related Videos
11:00
Reprogramming Mouse Embryonic Fibroblasts with Transcription Factors to Induce a Hemogenic Program
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Cited by 1 •
2016
The protocol described here details the induction of a hemogenic program in mouse embryonic fibroblasts via overexpression of a minimal set of transcription factors. This technology may be translated to the human system to provide platforms for future study of hematopoiesis, hematologic disease, and hematopoietic stem cell transplant.
08:14
Comprehensive Analysis of Transcription Dynamics from Brain Samples Following Behavioral Experience
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Cited by 6 •
2014
This manuscript describes a protocol that applies comprehensive profiling for analysis of transcriptional programs induced in specific brain nuclei of rodents following behavioral paradigms. Herein, this approach is illustrated in the context of profiling genes induced in the nucleus accumbens (NAc) of mice following acute cocaine exposure, utilizing microfluidic qPCR arrays.
20:14
Combining Peripheral Nerve Grafting and Matrix Modulation to Repair the Injured Rat Spinal Cord
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Cited by 21 •
2009
Traumatic injury to the spinal cord disrupts communication with the brain. To restore lost connectivity we utilize a peripheral nerve graft to provide a substratum for regenerating fibers in combination with neurotrophic factors and matrix-modulating enzymes to remove inhibitory molecules to promote long distance growth.
12:00
Selective Viral Transduction of Adult-born Olfactory Neurons for Chronic in vivo Optogenetic Stimulation
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Cited by 7 •
2011
Adult-born neurons of the olfactory bulb can be optogenetically controlled using Channelrhodopsin2-expressing lentiviral injection in the rostral migratory stream and chronic photostimulation with an implanted miniature LED.
FAQs
Rather than acting as interchangeable regulators, the four proteins contribute distinct regulatory functions. GATA2 and ETV6 influence developmental gene programs, GFI1B can repress targets by recruiting corepressors, and c-FOS operates with JUN in AP-1 complexes. Considering these activities together helps distinguish signal-responsive regulation from repression and developmental program control.
GFI1B-mediated repression adds a mechanism for reducing expression of selected target genes through corepressor recruitment. This function contrasts with the signal-responsive activity of c-FOS in AP-1 complexes and complements the developmental regulatory roles of GATA2 and ETV6. Comparing these mechanisms helps researchers interpret how regulatory networks influence cell identity, proliferation, and differentiation.
Expression patterns show where these regulatory factors may be active, while interaction studies indicate how their activities may fit into broader regulatory networks. Examining both types of information is more informative than considering any single factor in isolation. In developmental biology, this approach helps connect gene regulation with progenitor maintenance, lineage specification, and vascular-to-blood transitions.
A study can begin by examining expression of the four genes in blood-forming tissues and during relevant developmental transitions. Researchers can then investigate their regulatory interactions and compare the resulting patterns with changes in cell identity, proliferation, or differentiation. This workflow supports construction of gene-regulatory maps without assuming that all four factors perform the same role.
The strongest developmental context is hematopoiesis, including regulation of hematopoietic stem and progenitor cells and specification of blood-cell lineages. The same regulatory network is also relevant to vascular-to-blood transitions, where developmental programs connect vascular tissues with blood formation. Studying these processes places individual gene activities within the larger progression of blood development.
These studies can identify regulatory relationships associated with normal blood formation and reveal how disrupted gene regulation may alter developmental outcomes. Results may connect changes in factor expression or interaction patterns with defects in cell identity, proliferation, differentiation, lineage specification, or vascular-to-blood transitions. Such comparisons provide a developmental framework for investigating disorders linked to regulatory disruption.