Date published: 2025-10-13

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SPG3A Inhibitors

SPG3A inhibitors are a class of chemical compounds that specifically target and block the activity of SPG3A, a gene encoding the protein atlastin-1. Atlastin-1 is a dynamin-like GTPase involved in the regulation of membrane fusion, particularly in the endoplasmic reticulum (ER), where it plays a crucial role in maintaining the architecture and dynamics of the ER network. The protein is essential for ER tubule formation and the overall maintenance of ER structure, which is critical for processes like intracellular transport, protein synthesis, and lipid metabolism. By inhibiting SPG3A activity, these compounds disrupt the function of atlastin-1, leading to alterations in ER morphology and affecting intracellular processes that rely on proper ER function.

Researchers utilize SPG3A inhibitors to explore the functional roles of atlastin-1 in cellular architecture, particularly how the inhibition of SPG3A affects the organization of the ER and its related activities. Blocking SPG3A allows scientists to investigate the broader impacts of altered ER structure on cellular processes such as protein trafficking, calcium storage, and lipid homeostasis. Moreover, these inhibitors help reveal how atlastin-1 interacts with other components of the ER membrane system and the cytoskeleton to regulate membrane fusion and fission events. Studying SPG3A inhibitors sheds light on the intricate mechanisms by which cells maintain their internal membrane networks and provides insights into how disruptions in these processes can influence overall cell function and intracellular organization.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Trichostatin A

58880-19-6sc-3511
sc-3511A
sc-3511B
sc-3511C
sc-3511D
1 mg
5 mg
10 mg
25 mg
50 mg
$149.00
$470.00
$620.00
$1199.00
$2090.00
33
(3)

Trichostatin A may downregulate SPG3A expression by inhibiting histone deacetylase activity, leading to hyperacetylation of histones near the SPG3A gene promoter and repressing its transcription.

5-Azacytidine

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

By demethylating DNA, 5-Azacytidine could potentially decrease SPG3A expression by altering the methylation status of CpG islands within or near the SPG3A gene locus.

Suberoylanilide Hydroxamic Acid

149647-78-9sc-220139
sc-220139A
100 mg
500 mg
$130.00
$270.00
37
(2)

Suberoylanilide Hydroxamic Acid may reduce the expression of SPG3A by inhibiting histone deacetylases, resulting in chromatin remodeling that represses transcription initiation at the SPG3A gene.

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$65.00
$319.00
$575.00
$998.00
28
(1)

Retinoic acid could downregulate SPG3A by binding to retinoic acid receptors that interact with retinoic acid response elements in the promoter region of the SPG3A gene, suppressing its transcription.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$62.00
$155.00
$320.00
233
(4)

Rapamycin may inhibit SPG3A expression through the inactivation of the mTOR signaling pathway, which is crucial for the transcriptional initiation of many genes, including those involved in neuronal function.

LY 294002

154447-36-6sc-201426
sc-201426A
5 mg
25 mg
$121.00
$392.00
148
(1)

LY 294002 could decrease SPG3A expression by inhibiting PI3K, leading to reduced phosphorylation of downstream effectors that are involved in the transcriptional regulation of the SPG3A gene.

PD 98059

167869-21-8sc-3532
sc-3532A
1 mg
5 mg
$39.00
$90.00
212
(2)

PD 98059 may inhibit SPG3A expression by blocking MEK activity, subsequently reducing ERK pathway signaling and the transcriptional activation of genes involved in neuronal development and maintenance.

SP600125

129-56-6sc-200635
sc-200635A
10 mg
50 mg
$40.00
$150.00
257
(3)

SP600125 could decrease SPG3A expression by inhibiting JNK signaling, which may play a role in the transcriptional control of neuronal genes, including the SPG3A gene.

U-0126

109511-58-2sc-222395
sc-222395A
1 mg
5 mg
$63.00
$241.00
136
(2)

U0126 may reduce SPG3A expression by inhibiting MEK, which could lead to a decrease in ERK-mediated transcription factor activation, thereby suppressing transcription of the SPG3A gene.

SB 203580

152121-47-6sc-3533
sc-3533A
1 mg
5 mg
$88.00
$342.00
284
(5)

SB 203580 has the potential to downregulate SPG3A expression by inhibiting p38 MAPK, which may be involved in stress-induced transcriptional responses affecting the SPG3A gene.