Chemical activators of TSPAN19 can engage various signaling pathways to modulate its activity. Phorbol 12-myristate 13-acetate (PMA) is one such activator that directly targets protein kinase C (PKC). Upon activation, PKC phosphorylates a range of substrates, including TSPAN19, which leads to its activation. This phosphorylation event is a pivotal step in the signal transduction pathways that ultimately activate TSPAN19. Another activator, ionomycin, works through increasing intracellular calcium levels, which in turn activates calcium-sensitive signaling pathways. These pathways often involve calmodulin-dependent protein kinases, which can then activate TSPAN19. Similarly, thapsigargin disrupts calcium homeostasis by inhibiting the sarcoplasmic/endoplasmic reticulum Ca2+ ATPase (SERCA), leading to a cascade of signaling events that can also activate TSPAN19 through calcium-dependent mechanisms.
Forskolin and 8-Bromo-cyclic AMP both raise the levels of cAMP within the cell, which activates protein kinase A (PKA). PKA then phosphorylates various proteins, which can include TSPAN19, leading to its activation. Epidermal Growth Factor (EGF) stimulates its receptor, initiating a MAPK/ERK signaling cascade that can result in the activation of TSPAN19. Insulin, through its receptor, activates the PI3K/Akt pathway, which involves multiple phosphorylation events, including those that can activate TSPAN19. Okadaic Acid and Calyculin A, as inhibitors of protein phosphatases, prevent the dephosphorylation of proteins, which can result in the sustained activity of TSPAN19. Finally, 1,2-Dioctanoyl-sn-glycerol (DiC8), a synthetic analog of diacylglycerol (DAG), activates PKC, further contributing to the phosphorylation and subsequent activation of TSPAN19. Each of these chemicals, through their unique mechanisms, can initiate signaling pathways that converge on the activation of TSPAN19, highlighting the complex regulation of this protein by multiple upstream signals.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
PMA | 16561-29-8 | sc-3576 sc-3576A sc-3576B sc-3576C sc-3576D | 1 mg 5 mg 10 mg 25 mg 100 mg | $41.00 $132.00 $214.00 $500.00 $948.00 | 119 | |
PMA activates protein kinase C (PKC), which is known to phosphorylate substrates that could include TSPAN19, leading to its functional activation. PKC activation is a direct signaling event that can result in the activation of associated proteins within the same pathway, including TSPAN19. | ||||||
Ionomycin | 56092-82-1 | sc-3592 sc-3592A | 1 mg 5 mg | $78.00 $270.00 | 80 | |
Ionomycin increases intracellular calcium concentration, which can activate calcium-sensitive signaling pathways that involve calmodulin-dependent protein kinases potentially leading to the activation of TSPAN19. | ||||||
8-Bromo-cAMP | 76939-46-3 | sc-201564 sc-201564A | 10 mg 50 mg | $126.00 $328.00 | 30 | |
8-Bromo-cyclic AMP is a cAMP analog that activates PKA, which may phosphorylate and activate signaling pathways involving TSPAN19. | ||||||
Thapsigargin | 67526-95-8 | sc-24017 sc-24017A | 1 mg 5 mg | $136.00 $446.00 | 114 | |
Thapsigargin inhibits the sarcoplasmic/endoplasmic reticulum Ca2+ ATPase (SERCA), leading to increased intracellular calcium levels. This rise in calcium can activate signaling pathways that include calmodulin-dependent kinases, which in turn could lead to the activation of TSPAN19. | ||||||
Bisindolylmaleimide I (GF 109203X) | 133052-90-1 | sc-24003A sc-24003 | 1 mg 5 mg | $105.00 $242.00 | 36 | |
Bisindolylmaleimide I is a PKC inhibitor, but it can indirectly cause the activation of compensatory pathways within the cell that may lead to the activation of TSPAN19. | ||||||
Staurosporine | 62996-74-1 | sc-3510 sc-3510A sc-3510B | 100 µg 1 mg 5 mg | $82.00 $153.00 $396.00 | 113 | |
Staurosporine is a broad-spectrum kinase inhibitor, but at low concentrations, it can paradoxically activate certain kinases before inhibiting them, potentially leading to the activation of TSPAN19 through complex kinase-dependent signaling pathways. | ||||||
Insulin | 11061-68-0 | sc-29062 sc-29062A sc-29062B | 100 mg 1 g 10 g | $156.00 $1248.00 $12508.00 | 82 | |
Insulin binds to its receptor, leading to the activation of the PI3K/Akt pathway. This pathway includes multiple phosphorylation events that can converge on the activation of TSPAN19. | ||||||
Okadaic Acid | 78111-17-8 | sc-3513 sc-3513A sc-3513B | 25 µg 100 µg 1 mg | $291.00 $530.00 $1800.00 | 78 | |
Okadaic Acid is an inhibitor of protein phosphatases 1 and 2A, which prevents dephosphorylation of proteins, potentially maintaining TSPAN19 in an activated state. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Similar to Okadaic Acid, Calyculin A inhibits protein phosphatases and could thus keep proteins in the TSPAN19 pathway phosphorylated, leading to its activation. | ||||||
1,2-Dioctanoyl-sn-glycerol | 60514-48-9 | sc-202397 sc-202397A | 10 mg 50 mg | $47.00 $254.00 | 2 | |
DiC8 is a synthetic analog of diacylglycerol (DAG) and can activate PKC, which is involved in the phosphorylation of proteins that could include TSPAN19, thereby potentially leading to its activation. | ||||||