Date published: 2026-4-5

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GFAP Inhibitors

The class of compounds known as GFAP inhibitors encompasses a diverse range of chemical entities that have been studied for their ability to modulate the expression and activity of Glial Fibrillary Acidic Protein (GFAP), a filamentous protein primarily expressed in astrocytes, a type of glial cell in the central nervous system. These inhibitors exhibit various mechanisms of action aimed at downregulating GFAP expression or altering its function, often through interference with signaling pathways and cellular processes that contribute to its upregulation. Researchers have explored these inhibitors as tools for investigating the role of GFAP in cellular processes. These inhibitors encompass multiple chemical classes, such as small molecules and natural products, each characterized by distinct structures and properties. Many of these compounds have been identified through high-throughput screening, rational drug design, or the exploration of naturally occurring substances.

Mechanistically, some inhibitors target intracellular signaling pathways involved in GFAP expression regulation, including transcription factors, kinases, and cytokine receptors. Others may directly interact with GFAP or its assembly, thereby disrupting its filament formation or function. Due to the complex and context-dependent regulation of GFAP, these inhibitors often demonstrate varying degrees of specificity and potency across different experimental systems. In conclusion, GFAP inhibitors represent a diverse class of compounds that have garnered scientific interest for their ability to modulate GFAP expression and function through a variety of mechanisms. Their exploration provides valuable insights into the intricate regulatory networks governing GFAP expression and its cellular implications. Researchers continue to investigate the ability of these inhibitors to elucidate the fundamental roles of GFAP in cellular processes, advancing our understanding of astrocyte biology and its implications in various contexts.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Lithium

7439-93-2sc-252954
50 g
$214.00
(0)

Inhibits GFAP expression by modulating GSK-3β, a key regulator of GFAP transcription.

Withaferin A

5119-48-2sc-200381
sc-200381A
sc-200381B
sc-200381C
1 mg
10 mg
100 mg
1 g
$130.00
$583.00
$4172.00
$20506.00
20
(1)

Downregulates GFAP by inhibiting NF-κB signaling pathway, which is involved in GFAP expression.

SB 431542

301836-41-9sc-204265
sc-204265A
sc-204265B
1 mg
10 mg
25 mg
$82.00
$216.00
$416.00
48
(1)

Blocks TGF-β signaling pathway, thereby reducing GFAP expression in certain contexts.

Indomethacin

53-86-1sc-200503
sc-200503A
1 g
5 g
$29.00
$38.00
18
(1)

Reduces GFAP expression by inhibiting COX-2-mediated prostaglandin synthesis and downstream signaling.

Flufenamic acid

530-78-9sc-205699
sc-205699A
sc-205699B
sc-205699C
10 g
50 g
100 g
250 g
$27.00
$79.00
$154.00
$309.00
1
(1)

Inhibits GFAP expression by suppressing the activity of NF-κB and downstream cytokine signaling.

PI-103

371935-74-9sc-203193
sc-203193A
1 mg
5 mg
$33.00
$131.00
3
(1)

Blocks PI3K/AKT/mTOR pathway, indirectly leading to downregulation of GFAP expression.

Cytosporone B

321661-62-5sc-252653
5 mg
$146.00
7
(1)

Reduces GFAP expression by activating PPARγ, a negative regulator of GFAP transcription.

Compound 56

171745-13-4sc-203430
500 µg
$164.00
2
(1)

Inhibits GFAP expression through the inhibition of STAT3 signaling pathway.

Lovastatin

75330-75-5sc-200850
sc-200850A
sc-200850B
5 mg
25 mg
100 mg
$29.00
$90.00
$339.00
12
(1)

Reduces GFAP expression by inhibiting the mevalonate pathway, which affects Rho GTPase signaling.

Tranilast

53902-12-8sc-200389
sc-200389A
sc-200389B
sc-200389C
10 mg
50 mg
1 g
5 g
$31.00
$103.00
$283.00
$978.00
2
(1)

Suppresses GFAP expression by inhibiting TGF-β signaling and downstream Smad activation.