dsg4 Activators
Desmoglein 4 (dsg4) activators encompass a range of chemical compounds that indirectly bolster the protein's functional activity by modulating various cellular signaling pathways and biological processes central to the maintenance of desmosomal integrity and cell-cell adhesion. Calcium ionophore A23187, by elevating intracellular calcium, directly supports the adhesive functions of dsg4 by promoting its calcium-dependent binding within cell junctions. Similarly, sphingosine-1-phosphate (S1P) and ceramide, pivotal components of the sphingolipid signaling pathway, reinforce dsg4's role in desmosome assembly and stability, essential for epithelial tissue integrity. Compounds like retinoic acid upregulate dsg4 expression, enhancing keratinocyte differentiation and fortifying the desmosomes where dsg4 is a key structural component. Forskolin and dibutyryl cAMP, by increasing cAMP levels and activating PKA, catalyze the phosphorylation of substrates that encourage desmosomal assembly, indirectly promoting dsg4 activity. PMA, as a PKC activator, and H-89, as a PKA inhibitor, exert contrasting regulatory effects on kinases that modulate the assembly and stability of desmosomes, thereby influencing dsg4's function in cellular adhesion.
Conversely, EGCG, by inhibiting protein kinases, and staurosporine, as a broad-spectrum kinase inhibitor, may hinder destabilizing phosphorylation events within desmosomes, indirectly fostering an environment conducive to dsg4's role in cell adhesion. Calyculin A's inhibition of serine/threonine phosphatases stops the dephosphorylation of desmosomal components, supporting the structural and functional integrity of desmosomes that incorporate dsg4. Lastly, Lyso-PAF C-16, active in the PAF signaling, potentially facilitates dsg4 activity by stabilizing desmosome-associated pathways. Collectively, these compounds orchestrate a symphony of biochemical events that culminate in the enhancement of dsg4 activity, pivotal to the cohesion and resilience of epithelial tissues.
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
A23187 | 52665-69-7 | sc-3591 sc-3591B sc-3591A sc-3591C | 1 mg 5 mg 10 mg 25 mg | $55.00 $131.00 $203.00 $317.00 | 23 | |
A23187 acts by increasing intracellular calcium levels. Elevated calcium can enhance the functional activity of dsg4 by promoting its binding affinity and stabilization within desmosomes, which are calcium-dependent structures critical for cell-cell adhesion in epithelial tissues. | ||||||
D-erythro-Sphingosine-1-phosphate | 26993-30-6 | sc-201383 sc-201383D sc-201383A sc-201383B sc-201383C | 1 mg 2 mg 5 mg 10 mg 25 mg | $165.00 $322.00 $570.00 $907.00 $1727.00 | 7 | |
Sphingosine-1-phosphate (S1P) influences the sphingolipid signaling pathway. S1P enhances dsg4 activity by promoting desmosome assembly and stability, which are crucial for maintaining the structure and function of epithelial cells. | ||||||
Staurosporine | 62996-74-1 | sc-3510 sc-3510A sc-3510B | 100 µg 1 mg 5 mg | $82.00 $153.00 $396.00 | 113 | |
As a protein kinase C (PKC) inhibitor, staurosporine indirectly increases dsg4 activity by reducing PKC-mediated phosphorylation that may lead to desmosome disassembly, thus stabilizing dsg4 function in cell-cell adhesion. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Calyculin A is a serine/threonine phosphatase inhibitor. By inhibiting phosphatases, it can indirectly enhance dsg4 activity by preventing the dephosphorylation of proteins involved in desmosome assembly and maintenance, where dsg4 is a key component. | ||||||
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 elevates cAMP levels, which activates PKA. PKA can then phosphorylate proteins involved in desmosome formation, indirectly enhancing the activity of dsg4 by promoting cell adhesion mechanisms. | ||||||
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 PKC, which can enhance dsg4 activity by influencing pathways that lead to the assembly and stability of desmosomes, thereby promoting cell-cell adhesion. | ||||||
C2 Ceramide | 3102-57-6 | sc-201375 sc-201375A | 5 mg 25 mg | $124.00 $460.00 | 12 | |
Ceramide is involved in the sphingolipid signaling pathway. By modulating this pathway, ceramide can enhance the activity of dsg4 by stabilizing desmosome structure and function, which is vital for the integrity of epidermal cells. | ||||||
Calcium dibutyryladenosine cyclophosphate | 362-74-3 | sc-482205 | 25 mg | $147.00 | ||
Dibutyryl cAMP, a cAMP analog, activates PKA, leading to the phosphorylation of proteins that regulate desmosome assembly. This activation indirectly enhances dsg4 activity by promoting cell-cell adhesion processes in which dsg4 is essential. | ||||||
(−)-Epigallocatechin Gallate | 989-51-5 | sc-200802 sc-200802A sc-200802B sc-200802C sc-200802D sc-200802E | 10 mg 50 mg 100 mg 500 mg 1 g 10 g | $43.00 $73.00 $126.00 $243.00 $530.00 $1259.00 | 11 | |
EGCG inhibits several protein kinases, potentially reducing phosphorylation events that can destabilize desmosomes. This can indirectly enhance the activity of dsg4 by promoting desmosome stability and function. | ||||||
PAF C-16 | 74389-68-7 | sc-201009 sc-201009A | 5 mg 25 mg | $131.00 $300.00 | 10 | |
PAF C-16 is involved in the platelet-activating factor (PAF) signaling. By influencing this pathway, it can potentially enhance the activity of dsg4 through mechanisms that involve the stabilization and function of desmosomes in epithelial integrity. | ||||||