HSPB2, or Heat Shock Protein Beta-2, is a member of the small heat shock protein (sHSP) family known for their role in assisting protein folding and helping to protect cells from stress-induced damage. These proteins are typically activated in response to elevated temperatures and other forms of cellular stress. HSPB2 activators are chemical agents designed to modulate the activity of HSPB2, either by enhancing its natural chaperone activity or by stabilizing its expression during conditions in which it would typically be upregulated.
The activation of HSPB2 by these chemicals can take place through a variety of mechanisms. Direct activators may bind to HSPB2 and induce a conformational change that either increases its ATPase activity, enhances its substrate binding affinity, or facilitates its interaction with co-chaperones and substrate proteins. These changes can amplify the protein's ability to prevent aggregation of denatured or misfolded proteins, thereby enhancing cellular resilience to stress. Indirect activators might work through signaling pathways that regulate the expression of HSPB2. This could involve the modulation of transcription factors that control the HSPB2 gene, or the inhibition of signaling cascades that would otherwise suppress its expression. The net effect would be an increase in the levels of HSPB2 within the cell, thereby promoting an enhanced stress response. As a research tool, HSPB2 activators can be invaluable in studies aimed at deciphering the complex cellular mechanisms of stress response and protein homeostasis. By selectively increasing the activity of HSPB2, scientists can investigate its role in maintaining proteostasis, the regulation of apoptosis, and the dynamic interactions within the sHSP family. Furthermore, these activators can be used to explore the synergy between HSPB2 and other molecular chaperones, as well as its participation in the cellular networks that respond to acute and chronic stress conditions.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Geldanamycin | 30562-34-6 | sc-200617B sc-200617C sc-200617 sc-200617A | 100 µg 500 µg 1 mg 5 mg | $39.00 $59.00 $104.00 $206.00 | 8 | |
Geldanamycin is an HSP90 inhibitor. HSP90 interacts with HSPB2, and when HSP90 is inhibited, the functional activity of HSPB2 can be enhanced through the increased availability of client proteins. | ||||||
Radicicol | 12772-57-5 | sc-200620 sc-200620A | 1 mg 5 mg | $92.00 $333.00 | 13 | |
Radicicol is another HSP90 inhibitor. By inhibiting HSP90, the functional activity of HSPB2 can be enhanced through the increased availability of client proteins that interact with HSPB2. | ||||||
MG-132 [Z-Leu- Leu-Leu-CHO] | 133407-82-6 | sc-201270 sc-201270A sc-201270B | 5 mg 25 mg 100 mg | $60.00 $265.00 $1000.00 | 163 | |
MG132 is a proteasome inhibitor. HSPB2 is known to prevent protein aggregation and assist in protein refolding. When proteasome activity is inhibited, there is an accumulation of misfolded proteins that HSPB2 can then refold, thus enhancing its functional activity. | ||||||
Epoxomicin | 134381-21-8 | sc-201298C sc-201298 sc-201298A sc-201298B | 50 µg 100 µg 250 µg 500 µg | $137.00 $219.00 $449.00 $506.00 | 19 | |
Epoxomicin is another proteasome inhibitor. By inhibiting the proteasome, Epoxomicin causes an accumulation of misfolded proteins, enhancing the functional activity of HSPB2 in protein refolding. | ||||||
17-AAG | 75747-14-7 | sc-200641 sc-200641A | 1 mg 5 mg | $67.00 $156.00 | 16 | |
17-AAG is an HSP90 inhibitor, and by inhibiting HSP90, it increases the availability of client proteins that interact with HSPB2, thus enhancing the functional activity of HSPB2. | ||||||
17-DMAG | 467214-20-6 | sc-202005 | 1 mg | $205.00 | 8 | |
17-DMAG is another HSP90 inhibitor. It enhances the functional activity of HSPB2 by increasing the availability of client proteins that are normally sequestered by HSP90. | ||||||
Celastrol, Celastrus scandens | 34157-83-0 | sc-202534 | 10 mg | $158.00 | 6 | |
Celastrol is a potent inducer of heat shock proteins. It enhances the functional activity of HSPB2 by increasing the levels of misfolded proteins, which HSPB2 can act upon. | ||||||
Bortezomib | 179324-69-7 | sc-217785 sc-217785A | 2.5 mg 25 mg | $135.00 $1085.00 | 115 | |
Bortezomib is a proteasome inhibitor that can lead to the accumulation of misfolded proteins. This enhances the functional activity of HSPB2, which can act to refold these proteins. | ||||||
Carbenoxolone disodium | 7421-40-1 | sc-203868 sc-203868A sc-203868B sc-203868C | 1 g 5 g 10 g 25 g | $46.00 $201.00 $358.00 $774.00 | 1 | |
Carbenoxolone is reported to upregulate heat shock proteins, thereby increasing the functional activity of HSPB2 in dealing with protein misfolding and aggregation. | ||||||
Withaferin A | 5119-48-2 | sc-200381 sc-200381A sc-200381B sc-200381C | 1 mg 10 mg 100 mg 1 g | $130.00 $583.00 $4172.00 $20506.00 | 20 | |
Withaferin A is a steroidal lactone that acts as an inducer of heat shock proteins. It enhances the functional activity of HSPB2 by increasing the levels of misfolded proteins, which HSPB2 can act upon. | ||||||