Date published: 2026-5-18

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Dnmt3a Activators

Dnmt3a activators encompass a diverse array of chemical compounds that exert their influence on the DNA methyltransferase Dnmt3a, either directly or indirectly. The modulation of Dnmt3a activity is crucial for the establishment and maintenance of DNA methylation patterns, which play a fundamental role in epigenetic regulation. One group of activators includes inhibitors of DNA methyltransferases, such as 5-Aza-2'-deoxycytidine (Decitabine), RG108, and Zebularine. These chemicals act by disrupting the methylation process, either through direct incorporation into DNA or covalent modification of catalytic residues, leading to alterations in DNA methylation patterns and, consequently, influencing Dnmt3a activity. Another set of activators includes compounds that indirectly impact Dnmt3a by modulating the epigenetic landscape. For instance, EPZ-6438 and BIX-01294 target histone methyltransferases, affecting histone methylation patterns. The interplay between histone modifications and DNA methylation is critical for epigenetic regulation, and changes in histone methylation can influence the recruitment or activity of Dnmt3a.

Additionally, small molecules like Lomeguatrib and RG2833 indirectly affect Dnmt3a by targeting O6-methylguanine DNA methyltransferase (MGMT) and DNA methyltransferases, respectively. By interfering with DNA repair mechanisms or catalytic activities, these compounds may impact DNA methylation patterns and Dnmt3a function. The intricate connection between histone modifications, DNA methylation, and the activity of Dnmt3a is further emphasized by the impact of Scriptaid, Entinostat, and Procainamide. These compounds, through their actions on histone deacetylases or DNA methyltransferases, indirectly influence Dnmt3a activity by modulating the chromatin environment. In summary, this collection of diverse chemicals provides valuable tools for investigating the regulatory mechanisms of Dnmt3a and its role in epigenetic processes. The detailed understanding of these activators opens avenues for deciphering the intricate interplay between DNA methylation, histone modifications, and the broader epigenetic landscape.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

SGI-1027

1020149-73-8sc-473875
10 mg
$213.00
(0)

SGI-1027 is a DNA methyltransferase inhibitor that indirectly affects Dnmt3a. It interferes with the binding of DNA methyltransferases to DNA, leading to the inhibition of DNA methylation. This disruption in DNA methylation patterns can potentially impact the activity of Dnmt3a, contributing to alterations in epigenetic regulation.

EPZ6438

1403254-99-8sc-507456
1 mg
$66.00
(0)

EPZ-6438 is a histone methyltransferase inhibitor with potential indirect effects on Dnmt3a. By modulating histone methylation patterns, it can influence the chromatin environment, which may impact the recruitment or activity of Dnmt3a. The crosstalk between histone modifications and DNA methylation could contribute to the overall epigenetic regulation.

Lomeguatrib

192441-08-0sc-362764
sc-362764A
10 mg
50 mg
$205.00
$865.00
(0)

Lomeguatrib is an O6-methylguanine DNA methyltransferase (MGMT) inhibitor that indirectly affects Dnmt3a. By inhibiting MGMT, it may alter the repair mechanisms of DNA lesions, leading to changes in DNA methylation patterns and potentially influencing the epigenetic regulation mediated by Dnmt3a.

Histone Lysine Methyltransferase Inhibitor Inhibitor

935693-62-2 (free base)sc-202651
5 mg
$151.00
4
(1)

BIX-01294 is a histone methyltransferase inhibitor that indirectly influences Dnmt3a. By targeting G9a histone methyltransferase, it modulates histone methylation patterns, potentially affecting the chromatin environment and the recruitment or activity of Dnmt3a. The interplay between histone modifications and DNA methylation contributes to epigenetic regulation.

RGFP 109

1215493-56-3sc-477157
10 mg
$300.00
(0)

RG2833, also known as CAY10591, is a small molecule inhibitor of DNA methyltransferases, including Dnmt3a. By interfering with the catalytic activity of Dnmt3a, it disrupts DNA methylation processes, leading to changes in the epigenetic landscape. This interference may impact the overall function of Dnmt3a and its role in epigenetic regulation.

Scriptaid

287383-59-9sc-202807
sc-202807A
1 mg
5 mg
$64.00
$183.00
11
(2)

Scriptaid is a histone deacetylase (HDAC) inhibitor that indirectly influences Dnmt3a. By inhibiting HDAC activity, it modulates histone acetylation patterns, potentially impacting the chromatin environment and the recruitment or activity of Dnmt3a. The interplay between histone modifications and DNA methylation contributes to the overall epigenetic regulation.

MS-275

209783-80-2sc-279455
sc-279455A
sc-279455B
1 mg
5 mg
25 mg
$24.00
$90.00
$212.00
24
(2)

Entinostat, also known as SNDX-275, is a class I histone deacetylase (HDAC) inhibitor that indirectly affects Dnmt3a. By inhibiting HDAC activity, it modulates histone acetylation patterns, potentially influencing the chromatin environment and the recruitment or activity of Dnmt3a. The crosstalk between histone modifications and DNA methylation contributes to epigenetic regulation.