CENPQ Activators
Chemical activators of CENPQ can engage its function through a variety of mechanisms related to microtubule dynamics and spindle assembly during cell division. Paclitaxel and Taxol, which are essentially the same compound but with different names, stabilize microtubules, preventing their disassembly and thus maintaining the integrity of the spindle apparatus. This stabilization can lead to the activation of CENPQ as the cell monitors the proper formation and function of the kinetochore complex, a critical element for chromosome segregation. Similarly, Peloruside A stabilizes microtubules, potentially engaging CENPQ by affecting the kinetochore-microtubule attachment and checkpoint signaling, ensuring that cells do not proceed through mitosis until all chromosomes are correctly aligned and attached to spindle fibers.
On the other hand, chemicals like Colchicine, Vinblastine, Podophyllotoxin, and Vincristine perturb the normal function of microtubules by inhibiting their polymerization, leading to defective mitotic spindle formation. The disruption caused by these agents can activate CENPQ in an attempt to correct spindle assembly defects and halt cell cycle progression to prevent errors in chromosome segregation. Nocodazole similarly disrupts microtubule dynamics, activating CENPQ due to spindle apparatus malformations. Eribulin, which inhibits microtubule growth without interfering with their shortening, can also trigger CENPQ activation, highlighting the protein's involvement in spindle dynamics. Additionally, Monastrol, by inhibiting kinesin-5, leads to monopolar spindle formation, which can activate CENPQ as part of the cellular mechanism to establish proper spindle architecture. Griseofulvin and Parbendazole both disrupt microtubule function, the former by binding to tubulin and the latter by disorganizing microtubule organization, with both resulting in the activation of CENPQ to manage proper chromosome segregation and kinetochore attachment during cell division.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Taxol | 33069-62-4 | sc-201439D sc-201439 sc-201439A sc-201439E sc-201439B sc-201439C | 1 mg 5 mg 25 mg 100 mg 250 mg 1 g | $41.00 $74.00 $221.00 $247.00 $738.00 $1220.00 | 39 | |
Paclitaxel stabilizes microtubules and thereby can activate CENPQ, which is involved in the assembly and function of the kinetochore complex during mitosis. | ||||||
Colchicine | 64-86-8 | sc-203005 sc-203005A sc-203005B sc-203005C sc-203005D sc-203005E | 1 g 5 g 50 g 100 g 500 g 1 kg | $100.00 $321.00 $2289.00 $4484.00 $18207.00 $34749.00 | 3 | |
By binding to tubulin, colchicine prevents microtubule polymerization, leading to aberrant mitotic spindle formation, which can lead to the activation of CENPQ as the cell attempts to correct spindle assembly. | ||||||
Vinblastine | 865-21-4 | sc-491749 sc-491749A sc-491749B sc-491749C sc-491749D | 10 mg 50 mg 100 mg 500 mg 1 g | $102.00 $235.00 $459.00 $1749.00 $2958.00 | 4 | |
Vinblastine interferes with microtubule assembly. This disruption can activate CENPQ as it is part of the cellular response to ensure proper chromosome segregation and kinetochore-microtubule attachments. | ||||||
Nocodazole | 31430-18-9 | sc-3518B sc-3518 sc-3518C sc-3518A | 5 mg 10 mg 25 mg 50 mg | $59.00 $85.00 $143.00 $247.00 | 38 | |
Nocodazole is a microtubule-depolymerizing agent that can activate CENPQ by disrupting normal spindle microtubule dynamics, which CENPQ is involved in regulating. | ||||||
Podophyllotoxin | 518-28-5 | sc-204853 | 100 mg | $84.00 | 1 | |
Podophyllotoxin inhibits microtubule assembly, which can activate CENPQ as the protein responds to spindle assembly defects and contributes to the checkpoint signaling to halt cell cycle progression until the defects are corrected. | ||||||
Eribulin | 253128-41-5 | sc-507547 | 5 mg | $865.00 | ||
Eribulin inhibits the growth phase of microtubules without affecting the shortening phase, which can activate CENPQ in the context of its role in kinetochore and spindle assembly functions. | ||||||
Monastrol | 254753-54-3 | sc-202710 sc-202710A | 1 mg 5 mg | $120.00 $233.00 | 10 | |
Monastrol is a kinesin-5 inhibitor that leads to the formation of monopolar spindles, potentially activating CENPQ as part of the cellular attempt to establish bipolar spindles and proper kinetochore-microtubule attachments. | ||||||
Griseofulvin | 126-07-8 | sc-202171A sc-202171 sc-202171B | 5 mg 25 mg 100 mg | $85.00 $220.00 $598.00 | 4 | |
Griseofulvin disrupts microtubule function by binding to tubulin, which can activate CENPQ during mitotic and checkpoint responses due to improper chromosomal segregation and kinetochore attachment. | ||||||