GATA-6 Activators
GATA-6, or GATA binding protein 6, is a crucial transcription factor that plays a significant role in the regulation of gene expression across various cell types and tissues, particularly those involved in the development and maintenance of the cardiovascular system, lungs, and gastrointestinal tract. It functions by binding to the GATA sequence in the promoters of target genes, thereby controlling their transcription. GATA-6 is essential for the proper development of the heart and lungs, and it also contributes to the differentiation and function of cells within the pancreas and the reproductive system. Its activity is modulated through a complex network of signaling pathways, including those influenced by cyclic AMP (cAMP), prostaglandins, and various kinase activities. The modulation of GATA-6 activity has implications for the development and function of several tissues, highlighting its significance in both developmental biology and disease states.
The activation of GATA-6 can be influenced by various chemical activators, as demonstrated in the provided examples. These activators function through diverse mechanisms, primarily involving the modulation of intracellular signaling pathways such as those mediated by cAMP, cGMP, and the phosphoinositide 3-kinase (PI3K) pathway. For instance, the elevation of cAMP levels, whether through the activation of adenylate cyclase by Forskolin or the inhibition of phosphodiesterase by compounds such as Rolipram and Milrinone, leads to the activation of protein kinase A (PKA). PKA then phosphorylates various substrates, including those that can lead to the activation of GATA-6. This indicates a critical role of cAMP signaling in the functional activation of GATA-6. Furthermore, the modulation of actin cytoskeleton dynamics and the alteration of cellular stress responses represent additional layers of regulation that can influence GATA-6 activity. These mechanisms underscore the intricate web of cellular signaling that governs the activity of transcription factors like GATA-6, revealing the potential of chemical activators to manipulate such networks for research and potentially for the modulation of GATA-6 related functions in pathology and development.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Forskolin | 66575-29-9 | sc-3562 sc-3562A sc-3562B sc-3562C sc-3562D | 5 mg 50 mg 1 g 2 g 5 g | $78.00 $153.00 $740.00 $1413.00 $2091.00 | 73 | |
Forskolin directly activates adenylate cyclase, leading to an increase in cyclic AMP (cAMP) levels. Elevated cAMP enhances protein kinase A (PKA) activity, which can phosphorylate various targets, including factors that regulate GATA-6 activity. This phosphorylation promotes GATA-6 activation by facilitating its binding to DNA and subsequent transcriptional regulation of genes involved in cardiac development and function. | ||||||
PGE2 | 363-24-6 | sc-201225 sc-201225C sc-201225A sc-201225B | 1 mg 5 mg 10 mg 50 mg | $57.00 $159.00 $275.00 $678.00 | 37 | |
PGE2 interacts with its E-prostanoid receptors, particularly EP2 and EP4, on the cell surface. This interaction activates adenylate cyclase, similarly increasing cAMP levels. The rise in cAMP activates PKA, which then can indirectly enhance GATA-6 transcriptional activity through phosphorylation, contributing to its role in regulating genes essential for cell proliferation and differentiation. | ||||||
Rolipram | 61413-54-5 | sc-3563 sc-3563A | 5 mg 50 mg | $77.00 $216.00 | 18 | |
Rolipram inhibits phosphodiesterase 4 (PDE4), an enzyme responsible for breaking down cAMP in cells. By inhibiting PDE4, rolipram indirectly increases cAMP levels, which in turn activates PKA. Activated PKA may then phosphorylate substrates that lead to the activation of GATA-6, thus promoting its transcriptional activity in regulating cellular responses and development. | ||||||
Iloprost | 78919-13-8 | sc-205349 sc-205349A | 500 µg 1 mg | $155.00 $269.00 | ||
Iloprost, a synthetic analog of prostacyclin PGI2, binds to IP receptors, activating adenylate cyclase and raising cAMP levels. This elevation in cAMP activates PKA, which can then facilitate the activation of GATA-6. GATA-6, being critical for endothelial cell function and vascular development, may thus be indirectly activated by iloprost. | ||||||
Dibutyryl-cAMP | 16980-89-5 | sc-201567 sc-201567A sc-201567B sc-201567C | 20 mg 100 mg 500 mg 10 g | $47.00 $136.00 $492.00 $4552.00 | 74 | |
Dibutyryl-cAMP is a cell-permeable analog of cAMP that directly increases intracellular cAMP levels, thereby activating PKA. Activated PKA can phosphorylate and activate GATA-6, promoting its role in gene expression regulation related to cell differentiation and development. | ||||||
Milrinone | 78415-72-2 | sc-201193 sc-201193A | 10 mg 50 mg | $165.00 $697.00 | 7 | |
Milrinone inhibits PDE3, increasing cAMP levels in cardiac cells. This elevation in cAMP enhances PKA activity, which may activate GATA-6, facilitating its role in cardiac contractility and vascular relaxation. This highlights the importance of cAMP signaling in modulating GATA-6's activity in the cardiovascular system. | ||||||
Olaparib | 763113-22-0 | sc-302017 sc-302017A sc-302017B | 250 mg 500 mg 1 g | $210.00 $305.00 $495.00 | 10 | |
While primarily known as a PARP inhibitor, olaparib can influence cellular pathways that indirectly enhance the activation of GATA-6. By modulating DNA repair processes and cellular stress responses, olaparib may affect the phosphorylation status of proteins involved in the activation of GATA-6, promoting its role in cell survival and proliferation. | ||||||