Date published: 2026-5-21

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tPA Activators

tPA, which stands for tissue-type plasminogen activator, is a serine protease enzyme found in humans and many other organisms. It plays a critical role in the fibrinolysis system, a natural process that breaks down blood clots in the body. tPA activators are molecules that amplify the activity of the tPA enzyme, promoting its role in the conversion of plasminogen to plasmin. Plasmin is the primary enzyme responsible for the degradation of fibrin, a protein that constitutes the main framework of blood clots. Thus, tPA activators can significantly impact the dynamics of fibrinolysis, influencing the breakdown of fibrin-rich blood clots.

Chemically, tPA activators can be of various types, and their structures might differ vastly from one another. Some tPA activators might be small organic molecules, while others could be more complex biopolymers. Their mechanism of action typically involves binding to specific domains on the tPA enzyme or altering its conformation to enhance its catalytic efficiency. It's essential to understand that while they amplify the activity of the tPA enzyme, these activators don't necessarily mimic its function. Instead, they work in synergy with the natural processes of the body, ensuring that the fibrinolysis system operates at an optimal rate. The specificity and efficiency of tPA activators often derive from their unique chemical structures, which allow them to interact favorably with the tPA enzyme, facilitating its role in the vital task of clot dissolution.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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, may regulate tPA expression by acting on retinoic acid receptors in certain cells, leading to transcriptional activation of the tPA gene.

PMA

16561-29-8sc-3576
sc-3576A
sc-3576B
sc-3576C
sc-3576D
1 mg
5 mg
10 mg
25 mg
100 mg
$41.00
$132.00
$214.00
$500.00
$948.00
119
(6)

PMA activates protein kinase C, which may upregulate tPA expression. Its effects on cell signaling pathways might contribute to the enhanced transcription of the tPA gene.

Histamine, free base

51-45-6sc-204000
sc-204000A
sc-204000B
1 g
5 g
25 g
$94.00
$283.00
$988.00
7
(1)

Histamine, released during inflammatory reactions, can increase tPA expression in endothelial cells possibly via H1 and H2 receptors and intracellular signaling cascades.

β-Estradiol

50-28-2sc-204431
sc-204431A
500 mg
5 g
$63.00
$182.00
8
(1)

Estradiol, an estrogen hormone, can increase the expression of tPA, potentially through estrogen receptors, highlighting a hormonal regulation pathway for tPA.

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 adenylate cyclase, increasing cAMP levels in cells. Elevated cAMP might induce tPA gene expression through various signaling mechanisms.

Hydrocortisone

50-23-7sc-300810
5 g
$102.00
6
(1)

Hydrocortisone, a glucocorticoid, may enhance tPA expression potentially by binding to glucocorticoid receptors and modulating transcriptional activity.

Dexamethasone

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

Dexamethasone, another glucocorticoid, can also increase tPA expression, possibly by interacting with glucocorticoid receptors and influencing tPA gene transcription.

Vitamin K1

84-80-0sc-280189
sc-280189A
1 g
5 g
$81.00
$166.00
(0)

Vitamin K is involved in the synthesis of certain clotting factors. There is some evidence to suggest that it might modulate tPA expression, although the mechanism isn't fully clear.

(+)-α-Tocopherol

59-02-9sc-214454
sc-214454A
sc-214454B
sc-214454C
10 g
25 g
100 g
1 kg
$43.00
$62.00
$141.00
$430.00
(1)

Vitamin E has antioxidant properties and can modulate various cellular processes. It may influence tPA expression through its effects on cellular signaling and gene transcription.