CD32-C, also known as FcγRII-C, is a low-affinity receptor for the Fc region of immunoglobulins G (IgG), playing a pivotal role in the immune system's ability to recognize and eliminate pathogens. This receptor is expressed on the surface of various immune cells, including B cells, natural killer cells, macrophages, and dendritic cells. Its primary function involves mediating cell adhesion, phagocytosis of antigen-antibody complexes, and modulation of cell activation and degranulation processes. Activation of CD32-C is crucial for the initiation and regulation of immune responses, particularly in the context of antibody-dependent cellular cytotoxicity (ADCC) and immune complex-mediated signal transduction. The functional activation of CD32-C involves its interaction with IgG, leading to the transduction of signals that promote immune cell activation, cytokine production, and phagocytosis.
The general mechanisms of CD32-C activation encompass a wide array of signaling pathways that influence its functionality. Activation can be modulated indirectly through various biochemical and cellular processes, including the regulation of intracellular cAMP levels, calcium signaling, and the activation of protein kinases such as PKA and PKC. These pathways play significant roles in modulating the cellular environment to favor the activation of CD32-C, thereby enhancing its ability to mediate effective immune responses. For example, the increase in intracellular cAMP, typically mediated by agents that activate adenylate cyclase or inhibit phosphodiesterases, leads to the activation of PKA. PKA then phosphorylates target proteins, which can influence the activation state of CD32-C. Similarly, calcium ionophores elevate intracellular calcium levels, activating signaling cascades that can culminate in the activation of CD32-C. The strategic manipulation of these signaling pathways through chemical activators provides a potential avenue for modulating CD32-C activity, thereby influencing immune response outcomes.
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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 activates adenylate cyclase, increasing cAMP levels in cells. Elevated cAMP enhances the activation of protein kinase A (PKA), which can then phosphorylate and activate various proteins, including CD32-C. Activation of PKA leads to downstream signaling events that promote CD32-C functional activation by enhancing its signaling capacity in immune responses. | ||||||
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 | |
Prostaglandin E2 (PGE2) interacts with its receptors to activate adenylate cyclase, thereby increasing intracellular cAMP levels. This elevation of cAMP is known to facilitate the activation of protein kinase A (PKA), a key regulator in immune signaling pathways. | ||||||
Ionomycin | 56092-82-1 | sc-3592 sc-3592A | 1 mg 5 mg | $78.00 $270.00 | 80 | |
Ionomycin is a calcium ionophore that increases intracellular calcium levels, a critical second messenger in various cellular processes. Elevated calcium can activate calcineurin, leading to the dephosphorylation and activation of nuclear factor of activated T-cells (NFAT), which in turn can enhance the functional state of CD32-C through calcium-dependent signaling pathways, thus facilitating its role in cellular immune responses. | ||||||
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 plays a significant role in modulating cellular signaling pathways, including those involving CD32-C. Activation of PKC leads to alterations in cellular functions and enhances the signaling pathways that directly contribute to the functional activation of CD32-C, facilitating its role in immune cell activation and response. | ||||||
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 is a calcium ionophore that elevates intracellular calcium concentrations, activating calcium-dependent enzymes and signaling pathways. This activation enhances the signaling environment conducive to CD32-C's functional role, particularly in calcium-mediated cellular processes, thereby indirectly facilitating the activation of CD32-C in immune response modulation. | ||||||
Isoproterenol Hydrochloride | 51-30-9 | sc-202188 sc-202188A | 100 mg 500 mg | $28.00 $38.00 | 5 | |
Isoproterenol acts as a beta-adrenergic agonist, leading to the activation of adenylate cyclase and an increase in cAMP levels. Elevated cAMP activates protein kinase A (PKA), which can influence various signaling pathways including those related to CD32-C, thus promoting its functional activation in the context of immune signaling. | ||||||
Adenosine 3′,5′-cyclic monophosphate | 60-92-4 | sc-217584 sc-217584A sc-217584B sc-217584C sc-217584D sc-217584E | 100 mg 250 mg 5 g 10 g 25 g 50 g | $116.00 $179.00 $265.00 $369.00 $629.00 $1150.00 | ||
Adenosine 3',5'-cyclic monophosphate is a cell-permeable cAMP analog that directly activates cAMP-dependent pathways, including PKA. | ||||||
Rolipram | 61413-54-5 | sc-3563 sc-3563A | 5 mg 50 mg | $77.00 $216.00 | 18 | |
Rolipram inhibits phosphodiesterase-4 (PDE4), leading to an increase in intracellular cAMP levels. This elevation enhances PKA activity, which is instrumental in modulating cellular signaling pathways that can lead to the activation of CD32-C, thereby indirectly enhancing its functional activity in immune signaling. | ||||||
(−)-Epinephrine | 51-43-4 | sc-205674 sc-205674A sc-205674B sc-205674C sc-205674D | 1 g 5 g 10 g 100 g 1 kg | $41.00 $104.00 $201.00 $1774.00 $16500.00 | ||
Epinephrine interacts with adrenergic receptors to increase intracellular cAMP levels, thereby activating PKA. Through PKA, epinephrine indirectly facilitates the functional activation of CD32-C by enhancing signaling pathways that promote its activity in immune cell functions and responses. | ||||||
IBMX | 28822-58-4 | sc-201188 sc-201188B sc-201188A | 200 mg 500 mg 1 g | $260.00 $350.00 $500.00 | 34 | |
IBMX is a non-selective inhibitor of phosphodiesterases, leading to increased levels of cAMP and cGMP in cells. This increase in cyclic nucleotides enhances PKA and PKG activity, respectively, indirectly promoting the functional activation of CD32-C by modulating signaling pathways that are crucial for its activation and role in immune responses. | ||||||