Date published: 2026-4-1

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fibrillin-1 Inhibitors

Fibrillin-1 inhibitors belong to a distinct chemical class of compounds that primarily target and interact with fibrillin-1, a crucial protein component of the extracellular matrix. Fibrillin-1, a glycoprotein, plays a fundamental role in the formation and maintenance of elastic fibers in various connective tissues throughout the human body. These elastic fibers are essential for providing elasticity and structural integrity to tissues such as skin, blood vessels, lungs, and ligaments. Fibrillin-1 inhibitors are designed to modulate the function of fibrillin-1 by interfering with its interactions, ultimately impacting the assembly and organization of elastic fibers.

The inhibition of fibrillin-1 is of significant interest in the context of various physiological processes and pathological conditions. By selectively targeting fibrillin-1, these inhibitors may influence the mechanical properties of tissues, leading to changes in tissue elasticity and resilience. Research into fibrillin-1 inhibitors has shed light on their role in conditions characterized by abnormal tissue elasticity, such as Marfan syndrome, a genetic disorder associated with mutations in the fibrillin-1 gene. Additionally, these inhibitors may find applications in tissue engineering and regenerative medicine, where controlling tissue elasticity is crucial for creating functional and durable constructs. Further studies are needed to explore the full scope of fibrillin-1 inhibitors' effects on tissue biology.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

SB 431542

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

SB431542 specifically inhibits the TGF-β type I receptor, which may downregulate the signaling pathways that promote fibrillin-1 expression.

Dexamethasone

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

As a glucocorticoid, dexamethasone can influence gene expression and might reduce the synthesis of fibrillin-1 through a feedback mechanism.

LY 364947

396129-53-6sc-203122
sc-203122A
5 mg
10 mg
$107.00
$156.00
4
(1)

LY364947 is a potent inhibitor of TGF-β type I receptor kinase, potentially decreasing fibrillin-1 expression by modulating TGF-β signaling.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Rapamycin inhibits mTOR, a kinase involved in cell growth and proliferation, which could indirectly lead to decreased fibrillin-1 production.

Spironolactone

52-01-7sc-204294
50 mg
$109.00
3
(1)

Spironolactone antagonizes aldosterone, and through complex hormonal pathways, it could theoretically modulate the expression of genes like FBN1.

Mitomycin C

50-07-7sc-3514A
sc-3514
sc-3514B
2 mg
5 mg
10 mg
$66.00
$101.00
$143.00
85
(5)

This antineoplastic agent can crosslink DNA, potentially hindering the transcription process of genes, including those coding for extracellular matrix proteins.

Losartan

114798-26-4sc-353662
100 mg
$130.00
18
(1)

Losartan blocks the angiotensin II type 1 receptor and has been shown to reduce TGF-β signaling, which may influence fibrillin-1 expression.

Halofuginone

55837-20-2sc-507290
100 mg
$1775.00
(0)

Halofuginone inhibits collagen type I synthesis and might affect other extracellular matrix components, including fibrillin-1.

Doxorubicin

23214-92-8sc-280681
sc-280681A
1 mg
5 mg
$176.00
$426.00
43
(3)

Doxorubicin intercalates DNA and interferes with various DNA-related processes, which could affect the transcription of multiple genes.

5-Azacytidine

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

This compound incorporates into RNA and DNA and is known to cause demethylation of DNA, potentially altering the expression of various genes.