RIZ Inhibitors
Chemical inhibitors of RIZ can function by various mechanisms to impede the protein's activity within the cell. Staurosporine, a powerful kinase inhibitor, disrupts the phosphorylation events necessary for RIZ activation. By hindering these kinases, Staurosporine effectively prevents the post-translational modifications that RIZ requires for its function. Additionally, RIZ's role in chromatin modification is targeted by a series of histone deacetylase inhibitors. Trichostatin A and Vorinostat (Suberoylanilide Hydroxamic Acid) maintain a hyperacetylated state of histones, which can interfere with the histone methyltransferase activity of RIZ. This alteration in histone modification status by Trichostatin A and Vorinostat is a means of inhibiting the chromatin-modifying functions of RIZ.
Furthermore, chemicals that interact with DNA directly, such as Mithramycin A, can obstruct RIZ's ability to access its DNA-binding sites, thereby inhibiting its regulatory functions. Similarly, Entinostat (MS-275) and Panobinostat, by keeping histones acetylated, can suppress RIZ by preventing it from modifying the chromatin landscape. Romidepsin, a cyclic peptide, uses its histone deacetylase inhibitory activity to counteract the ability of RIZ to modify histones, leading to an inhibition of its activity. Sirtinol also operates through histone deacetylase inhibition, albeit focusing on sirtuin histone deacetylases, suggesting an indirect route to dampen RIZ activity. On a different pathway, proteasome inhibitors like MG132 and Bortezomib result in the accumulation of ubiquitinated proteins. This impediment of the proteasomal degradation pathway can indirectly inhibit RIZ by stabilizing its negative regulators within the cell, leading to a decrease in RIZ's functional activity. Additionally, DNA methyltransferase inhibitors such as 5-Azacytidine and Decitabine create a DNA methylation landscape that is not conducive to the methylation pattern regulated by RIZ, thus inhibiting its gene regulatory functions.
Items 1 to 10 of 12 total
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
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 potent inhibitor of protein kinases, which RIZ relies on for phosphorylation and subsequent activation. Inhibition of these kinases can result in the functional inhibition of RIZ by preventing its necessary post-translational modifications. | ||||||
Trichostatin A | 58880-19-6 | sc-3511 sc-3511A sc-3511B sc-3511C sc-3511D | 1 mg 5 mg 10 mg 25 mg 50 mg | $152.00 $479.00 $632.00 $1223.00 $2132.00 | 33 | |
Trichostatin A is a histone deacetylase inhibitor. By preventing deacetylation, it maintains a hyperacetylated state of histones, which could counteract the histone methyltransferase activity of RIZ, thus inhibiting its function in modifying chromatin. | ||||||
Mithramycin A | 18378-89-7 | sc-200909 | 1 mg | $55.00 | 6 | |
Mithramycin A binds to G-C rich DNA sequences and could inhibit RIZ by blocking its access to chromatin, as RIZ is known to bind to DNA to exert its regulatory functions. | ||||||
5-Azacytidine | 320-67-2 | sc-221003 | 500 mg | $280.00 | 4 | |
5-Azacytidine is an inhibitor of DNA methyltransferases. As RIZ has been implicated in histone methylation, this agent could create a hypomethylated state of DNA that may oppose the methylation pattern regulated by RIZ, thereby inhibiting its function. | ||||||
5-Aza-2′-Deoxycytidine | 2353-33-5 | sc-202424 sc-202424A sc-202424B | 25 mg 100 mg 250 mg | $218.00 $322.00 $426.00 | 7 | |
Similar to 5-Azacytidine, Decitabine inhibits DNA methyltransferases, potentially opposing the methylation patterns influenced by RIZ and inhibiting its ability to regulate gene expression. | ||||||
MS-275 | 209783-80-2 | sc-279455 sc-279455A sc-279455B | 1 mg 5 mg 25 mg | $24.00 $90.00 $212.00 | 24 | |
As a histone deacetylase inhibitor, Entinostat would maintain histones in an acetylated state, potentially countering the chromatin-modifying effects of the histone methyltransferase activity of RIZ. | ||||||
Suberoylanilide Hydroxamic Acid | 149647-78-9 | sc-220139 sc-220139A | 100 mg 500 mg | $133.00 $275.00 | 37 | |
Vorinostat is another histone deacetylase inhibitor that, by maintaining histones in a hyperacetylated state, can inhibit the histone methyltransferase activity of RIZ by altering its histone targets. | ||||||
Panobinostat | 404950-80-7 | sc-208148 | 10 mg | $200.00 | 9 | |
As a pan-histone deacetylase inhibitor, Panobinostat would inhibit the deacetylation of histones, thereby potentially inhibiting RIZ by altering the chromatin structure in a way that is not conducive to its activity. | ||||||
Romidepsin | 128517-07-7 | sc-364603 sc-364603A | 1 mg 5 mg | $218.00 $634.00 | 1 | |
Romidepsin, a cyclic peptide, is a histone deacetylase inhibitor. This inhibition can counteract the histone modifying activity of RIZ, thereby inhibiting its function. | ||||||
Sirtinol | 410536-97-9 | sc-205976 sc-205976A | 1 mg 5 mg | $38.00 $113.00 | 14 | |
Sirtinol is an inhibitor of sirtuin histone deacetylases. By inhibiting sirtuin activity, Sirtinol may indirectly inhibit RIZ by maintaining an acetylated state of histones that RIZ would otherwise modify. | ||||||