Date published: 2026-4-29

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p53 Activators

p53 activators are a class of chemical compounds that have the ability to stimulate or enhance the activity of the p53 protein. The p53 protein, also known as the guardian of the genome, is a crucial regulator of cell cycle progression and plays a pivotal role in the development and progression of cancer. p53 is a transcription factor that is activated in response to various cellular stresses, such as DNA damage, oxidative stress, and oncogene activation. When activated, p53 regulates the expression of a wide range of target genes involved in cell cycle arrest, DNA repair, apoptosis (programmed cell death), and senescence (cellular aging). These processes collectively help to maintain genomic stability and suppress the formation of cancerous cells.However, in many cancer cells, the p53 pathway is disrupted or mutated, leading to the loss of p53 function. As a result, these cancer cells can evade cell cycle arrest, resist apoptosis, and continue proliferating uncontrollably. Restoring or enhancing the activity of p53 in cancer cells has emerged as a possible cancer-fighting strategy in vitro, and p53 activators have been developed to achieve this goal.There are several classes of p53 activators, each with unique mechanisms of action. Some p53 activators work by directly binding to the p53 protein and stabilizing its structure, its degradation. This stabilization allows p53 to accumulate in the cell nucleus and initiate its transcriptional activity. Other activators function indirectly by modulating upstream regulators or downstream effectors of the p53 pathway. By reactivating the p53 pathway, these compounds aim to restore the tumor-suppressive functions of p53, induce cell cycle arrest, promote DNA repair, and trigger apoptosis in cancer cells. Overall, p53 activators represent a promising avenue for fighting cancer cells by targeting and activating one of the most critical tumor suppressor pathways in the human body.

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Items 11 to 20 of 26 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

NSC 319726

71555-25-4sc-477736
10 mg
$159.00
(0)

NSC319726 induces p53-mediated apoptosis by disrupting the p53-MDM2 interaction.

JNJ 26854165

881202-45-5sc-364514
sc-364514A
5 mg
25 mg
$171.00
$577.00
(0)

JNJ 26854165 exhibits remarkable properties as a p53 modulator, engaging in selective interactions that promote the stabilization of the p53 protein. Its unique structural features allow for enhanced binding affinity, which influences the protein's regulatory functions in the cell cycle. The compound's dynamic behavior in various environments showcases its ability to alter molecular interactions, impacting downstream signaling pathways and cellular responses to stress.

HR-73

959571-93-8sc-255207
5 mg
$156.00
(0)

HR-73 functions as a potent p53 modulator, characterized by its ability to selectively disrupt the interaction between p53 and its negative regulators. This compound enhances the transcriptional activity of p53, facilitating the activation of target genes involved in apoptosis and cell cycle arrest. Its unique conformation allows for specific binding to regulatory sites, influencing the kinetics of p53-mediated pathways and promoting cellular resilience under stress conditions.

PhiKan-083 Hydrochloride

880813-36-5sc-479264
10 mg
$320.00
(0)

PhiKan083 activates the tumor suppressor protein p53 by disrupting its interaction with the protein MDM2, which normally inhibits p53. It achieves this by binding to p53 at a specific site, altering its shape and preventing MDM2 from binding to and degrading p53. This leads to the stabilization and accumulation of p53 in cells, thereby enabling it to perform its tumor-suppressing functions more effectively.

CHS-828

200484-11-3sc-364106
sc-364106A
5 mg
25 mg
$84.00
$338.00
(0)

CHS-828 acts as a distinctive p53 regulator, exhibiting a unique mechanism that stabilizes the p53 protein by preventing its degradation. This compound engages in specific molecular interactions that enhance p53's structural integrity, thereby promoting its functional longevity. By modulating the protein's conformational dynamics, CHS-828 influences downstream signaling pathways, leading to an increased transcriptional response to cellular stressors and altered gene expression profiles.

NSC 66811

6964-62-1sc-311507
sc-311507A
10 mg
50 mg
$162.00
$683.00
(0)

NSC 66811 functions as a notable p53 modulator, characterized by its ability to enhance p53 activity through unique binding interactions that stabilize the protein's conformation. This compound influences the post-translational modifications of p53, facilitating its accumulation in the nucleus. By altering the kinetics of p53's interaction with regulatory proteins, NSC 66811 effectively shifts cellular responses to stress, impacting gene regulation and apoptotic pathways.

Etoposide-d3

sc-218445
1 mg
$449.00
9
(0)

Etoposide-d3 acts as a potent p53 activator, distinguished by its capacity to induce DNA damage response pathways. This compound interacts with topoisomerase II, leading to the stabilization of DNA double-strand breaks. Its unique isotopic labeling allows for precise tracking in cellular studies, enhancing the understanding of p53-mediated transcriptional regulation. Etoposide-d3 also modulates the cellular microenvironment, influencing oxidative stress responses and apoptosis.

PRIMA-1

5608-24-2sc-200927
sc-200927A
5 mg
25 mg
$102.00
$408.00
1
(1)

PRIMA-1 is a small molecule that reactivates mutant p53 by restoring its wild-type conformation, facilitating its ability to bind to DNA and regulate gene expression. This compound uniquely interacts with the core domain of p53, promoting its proper folding and enhancing its transcriptional activity. PRIMA-1 also influences cellular signaling pathways, potentially altering the balance between cell survival and death, thereby impacting cellular homeostasis and stress responses.

Amifostine

20537-88-6sc-200937
sc-200937A
10 mg
50 mg
$79.00
$311.00
6
(1)

Amifostine is a thiol compound that acts as a potent scavenger of free radicals, engaging in specific interactions with reactive oxygen species. Its unique mechanism involves the modulation of cellular redox status, which can influence various signaling pathways. By enhancing the activity of antioxidant enzymes, Amifostine plays a role in protecting cellular components from oxidative damage. Additionally, it can affect the phosphorylation state of proteins, thereby altering cellular responses to stress.

Ascochlorin

26166-39-2sc-202066
500 µg
$373.00
(1)

Ascochlorin is a chlorinated compound that exhibits unique interactions with cellular membranes, influencing lipid bilayer fluidity and permeability. Its distinct structural features allow it to engage in specific hydrogen bonding and hydrophobic interactions, which can modulate protein conformation and activity. Ascochlorin also participates in electron transfer processes, potentially impacting metabolic pathways and energy production within cells. Its reactivity with nucleophiles further highlights its role in cellular signaling dynamics.