Date published: 2026-5-16

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Histone cluster 1 H1A Activators

Histone cluster 1 H1A activators comprise a specialized group of chemical agents that interact with the nucleosomal protein known as Histone H1A, which is part of the Histone H1 family. Histones are fundamental components of chromatin in eukaryotic cells, playing a critical role in the packaging of DNA into structural units called nucleosomes. The H1 histones, also known as the linker histones, are located on the outside of these nucleosomes where they function to facilitate the compaction of chromatin into higher-order structures and influence gene expression through their interactions with DNA and other histones. H1A is one of the variants of the H1 histones and has distinct properties and roles in chromatin dynamics. Activators of Histone H1A specifically target this protein to modulate its interaction with DNA and chromatin.

The interaction between Histone cluster 1 H1A activators and the H1A protein can lead to changes in chromatin structure, affecting the accessibility of the DNA to various molecular machinery and thereby impacting the transcriptional regulation of genes. The precise action of these activators is complex, as it involves altering the delicate balance of histone-DNA interactions that govern the tight packing of the genetic material. By binding to Histone H1A, activators may induce a conformational change that either loosens or tightens its grip on the DNA strand, thereby modulating the exposure of certain genetic regions to enzymatic activity and transcription factors.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

5-Azacytidine

320-67-2sc-221003
500 mg
$280.00
4
(1)

This substance is a DNA methyltransferase inhibitor. It may upregulate the expression of Histone cluster 1 H1A by preventing methylation, which often suppresses gene expression.

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$66.00
$325.00
$587.00
$1018.00
28
(1)

Retinoic acid, a metabolite of vitamin A, interacts with retinoic acid receptors to increase the transcriptional activity of certain genes, which could potentially raise the production of Histone cluster 1 H1A.

Genistein

446-72-0sc-3515
sc-3515A
sc-3515B
sc-3515C
sc-3515D
sc-3515E
sc-3515F
100 mg
500 mg
1 g
5 g
10 g
25 g
100 g
$45.00
$164.00
$200.00
$402.00
$575.00
$981.00
$2031.00
46
(1)

Genistein is a phytoestrogen and a tyrosine kinase inhibitor. It could stimulate the production of Histone cluster 1 H1A by interfering with tyrosine kinases that play a role in transcriptional regulation.

Resveratrol

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

Resveratrol, a polyphenol, may enhance the transcription of Histone cluster 1 H1A by interacting with certain transcription factors or signaling pathways that control gene expression.

D,L-Sulforaphane

4478-93-7sc-207495A
sc-207495B
sc-207495C
sc-207495
sc-207495E
sc-207495D
5 mg
10 mg
25 mg
1 g
10 g
250 mg
$153.00
$292.00
$489.00
$1325.00
$8465.00
$933.00
22
(1)

DL-Sulforaphane, a compound in cruciferous vegetables, has been shown to upregulate certain genes. It may stimulate the expression of Histone cluster 1 H1A by interacting with transcription factors that control gene expression.

Dexamethasone

50-02-2sc-29059
sc-29059B
sc-29059A
100 mg
1 g
5 g
$91.00
$139.00
$374.00
36
(1)

Dexamethasone, a glucocorticoid, interacts with the glucocorticoid receptor to increase the transcription of certain genes, potentially enhancing the production of Histone cluster 1 H1A.

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$78.00
$153.00
$740.00
$1413.00
$2091.00
73
(3)

Forskolin activates adenylyl cyclase and raises intracellular cAMP levels. This could stimulate the transcription of Histone cluster 1 H1A by activating signaling pathways that control gene expression.

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, a flavonoid, may enhance the transcription of Histone cluster 1 H1A by interacting with certain transcription factors or signaling pathways that control gene expression.

Etoposide (VP-16)

33419-42-0sc-3512B
sc-3512
sc-3512A
10 mg
100 mg
500 mg
$51.00
$231.00
$523.00
63
(1)

Etoposide induces DNA damage, which could stimulate the production of Histone cluster 1 H1A as part of the cellular response to DNA damage.

2-Deoxy-D-glucose

154-17-6sc-202010
sc-202010A
1 g
5 g
$70.00
$215.00
26
(2)

2-Deoxy-D-glucose, a glucose analog, interferes with cellular metabolism, which could increase the transcription of Histone cluster 1 H1A by altering the metabolic state of the cell.