Arg, formally known as Abl-related gene, encodes a non-receptor tyrosine kinase that plays a pivotal role in the regulation of cell signaling pathways involved in cell growth, differentiation, survival, and migration. This protein kinase is integral to the cellular response to a variety of external stimuli, including growth factors, cytokines, and environmental stresses. Arg functions by phosphorylating specific tyrosine residues on target substrates, a modification that alters the activity, localization, and interaction networks of these proteins, thereby influencing various cellular outcomes. Its activity is crucial for the dynamic regulation of the actin cytoskeleton, contributing to the control of cell shape, motility, and the formation of complex structures such as filopodia and lamellipodia. Through its interaction with multiple adapter proteins and effectors, Arg integrates signals from different biochemical pathways, coordinating cellular responses to ensure proper cell function and adaptability to changing environments.
The activation of Arg kinase is a tightly regulated process, involving several layers of control to ensure its precise contribution to cellular signaling. Activation typically occurs in response to the binding of growth factors to their respective receptor tyrosine kinases (RTKs), which then engage Arg either directly or through the formation of multi-protein complexes. This interaction facilitates Arg's translocation to specific cellular locations, such as the plasma membrane, where it can interact with its substrates. Phosphorylation of Arg itself is another critical step in its activation, with specific phosphorylation sites within the kinase domain and regulatory regions modulating its catalytic activity and substrate specificity. Additionally, the release of Arg from inhibitory interactions with proteins and phospholipids in the cytoplasm can further potentiate its activation. These mechanisms ensure that Arg kinase activity is precisely controlled, enabling it to respond rapidly and effectively to promote appropriate cellular adjustments in response to internal and external cues. Such regulation underscores the significance of Arg in maintaining cellular homeostasis and directing cell behavior in response to physiological and pathological stimuli.
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Insulin | 11061-68-0 | sc-29062 sc-29062A sc-29062B | 100 mg 1 g 10 g | $156.00 $1248.00 $12508.00 | 82 | |
Insulin interaction with the insulin receptor leads to receptor autophosphorylation and the recruitment of the IRS proteins. Phosphorylated IRS proteins serve as docking sites for PI3K, leading to PIP3 production and subsequent AKT activation. | ||||||
Lysophosphatidic Acid | 325465-93-8 | sc-201053 sc-201053A | 5 mg 25 mg | $98.00 $341.00 | 50 | |
LPA interacts with G protein-coupled receptors, leading to the activation of Rho family GTPases, including RAC1 and CDC42. RAC1 and CDC42 activation is closely tied to the regulation of Arg, as they can interact with Arg directly or through intermediary proteins to modulate its activity, potentially leading to Arg activation. | ||||||
Bradykinin | 58-82-2 | sc-507311 | 5 mg | $110.00 | ||
Bradykinin binds to B2 receptors, which can activate PLC, leading to the production of DAG and IP3. This signaling leads to the activation of PKC, which can phosphorylate and activate proteins that interact with Arg, potentially resulting in increased Arg activity as part of a broader signaling context involving G protein-coupled receptor pathways. | ||||||
Hydrogen Peroxide | 7722-84-1 | sc-203336 sc-203336A sc-203336B | 100 ml 500 ml 3.8 L | $31.00 $61.00 $95.00 | 28 | |
Hydrogen Peroxide can act as a second messenger in receptor tyrosine kinase signaling pathways, leading to the transient oxidation and activation of Src family kinases. Activated Src can then phosphorylate downstream targets that may interact with and activate Arg, as part of the cell's response to oxidative signals. | ||||||