Date published: 2026-5-30

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MacroH2A2 Activators

MacroH2A2 Activators encompass a spectrum of chemical compounds that, by targeting the acetylation status of histones, facilitate the functional enhancement of MacroH2A2, a histone variant implicated in transcriptional regulation and chromatin architecture. The activators such as Nicotinamide Mononucleotide (NMN) and β-Nicotinamide Adenine Dinucleotide (β-NAD+) elevate the levels of NAD+, which is critical for the activity of sirtuins, specifically SIRT1. MacroH2A2 activators are compounds that can enhance the activity of the MacroH2A2 protein, a variant histone that plays a role in chromatin dynamics and gene regulation. The process of identifying such activators begins with a comprehensive understanding of MacroH2A2's function and its interaction with chromatin.

To find molecules that can modulate this protein's activity, scientists may employ high-throughput screening (HTS) techniques. These techniques allow for the rapid testing of thousands of chemicals to determine their effect on MacroH2A2. The HTS assays are designed to detect changes in chromatin structure or gene expression that result from increased MacroH2A2 activity. This can involve using fluorescent reporters, chromatin immunoprecipitation, or other nucleic acid-based readouts that reflect the activity state of MacroH2A2. Compounds that produce a measurable change in these assays are considered hits and are selected for further analysis. It is critical that these assays are highly specific and sensitive to the activity of MacroH2A2 to ensure that the hits are indeed modulating the activity of this histone variant specifically.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

β-Nicotinamide mononucleotide

1094-61-7sc-212376
sc-212376A
sc-212376B
sc-212376C
sc-212376D
25 mg
100 mg
1 g
2 g
5 g
$110.00
$150.00
$220.00
$300.00
$600.00
4
(1)

NMN serves as a precursor for NAD+, a coenzyme involved in redox reactions. Increased NAD+ levels can boost sirtuin activity, which includes SIRT1, known to deacetylate histones including MacroH2A2, leading to its functional activation in chromatin regulation.

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$80.00
$220.00
$460.00
64
(2)

As a polyphenolic compound, resveratrol is known to activate SIRT1, which in turn deacetylates histones such as MacroH2A2, enhancing its role in transcriptional silencing and maintaining chromatin stability.

Spermidine

124-20-9sc-215900
sc-215900B
sc-215900A
1 g
25 g
5 g
$57.00
$607.00
$176.00
(2)

Spermidine has been shown to induce autophagy and also stimulate sirtuin activity. Enhanced sirtuin function can promote the deacetylation of MacroH2A2, thereby activating its role in chromatin compaction and gene regulation.

Trichostatin A

58880-19-6sc-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
(3)

Trichostatin A is a histone deacetylase (HDAC) inhibitor. By inhibiting HDACs, it can cause a compensatory increase in sirtuin-mediated deacetylation of histones, including MacroH2A2, leading to its activation in chromatin dynamics.

Pterostilbene, Pterocarpus marsupium

537-42-8sc-203223
sc-203223A
10 mg
100 mg
$211.00
$1196.00
(0)

Chemically related to resveratrol, pterostilbene is also an activator of SIRT1. Through SIRT1 activation, pterostilbene can promote the deacetylation and activation of MacroH2A2, influencing gene silencing and chromatin structure.

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$110.00
$250.00
$936.00
$50.00
33
(2)

Quercetin is a flavonoid that can modulate sirtuin activity. By enhancing SIRT1 function, quercetin can indirectly lead to the activation of MacroH2A2 through deacetylation, affecting chromatin organization and gene expression.

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

Curcumin has been reported to stimulate SIRT1 activity. This stimulation can result in the deacetylation of histones, including MacroH2A2, thereby enhancing its activity in the regulation of chromatin structure and function.

Oleuropein

32619-42-4sc-286622
sc-286622A
sc-286622B
sc-286622C
500 mg
1 g
10 g
100 g
$359.00
$530.00
$791.00
$6773.00
2
(0)

Oleuropein is a compound found in olives that has been shown to activate sirtuins. Through sirtuin activation, oleuropein can lead to the deacetylation of MacroH2A2, potentially enhancing its chromatin-related functions.