Date published: 2026-5-9

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Cathepsin Activators

Cathepsin activators represent a distinct class of chemical compounds that play a crucial role in modulating cellular processes through the regulation of cathepsin enzymes. Cathepsins are a group of protease enzymes primarily found within lysosomes, but they can also be located in other cellular compartments such as the cytoplasm and extracellular spaces. These enzymes are involved in the degradation of cellular components, including proteins, and are known to participate in various physiological and pathological processes such as protein turnover, antigen presentation, tissue remodeling, and inflammation. Cathepsin activators are compounds that have the unique capability to enhance the enzymatic activity of cathepsins, thus influencing the overall cellular proteolytic capacity. Chemically, cathepsin activators can vary widely in structure and composition. Some of these compounds are small molecules, while others might be peptides or proteins. The mechanism of activation involves interactions with specific sites on the cathepsin enzymes, which results in conformational changes that ultimately lead to increased enzymatic activity. This enhanced activity can have profound effects on cellular homeostasis, influencing processes like autophagy, apoptosis, and immune response modulation. Due to their role in mediating protein degradation and processing, cathepsin activators are vital components in maintaining cellular health and function. The discovery and study of cathepsin activators contribute significantly to our understanding of cellular biology and the intricate molecular pathways that govern cellular processes. Additionally, these activators provide valuable tools for investigating the broader roles of cathepsins in different cellular contexts. Overall, cathepsin activators represent a diverse and fascinating class of compounds that have implications for cellular regulation and potential applications in advancing our knowledge of fundamental biological processes.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Lipopolysaccharide, E. coli O55:B5

93572-42-0sc-221855
sc-221855A
sc-221855B
sc-221855C
10 mg
25 mg
100 mg
500 mg
$98.00
$171.00
$425.00
$1560.00
12
(2)

Upregulates cathepsin D in microglial cells

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)

Stimulates cathepsin B/D in cancer cells

Cholecalciferol

67-97-0sc-205630
sc-205630A
sc-205630B
1 g
5 g
10 g
$71.00
$163.00
$296.00
2
(1)

Enhances cathepsin S expression in macrophages

Angiotensin II, Human

4474-91-3sc-363643
sc-363643A
sc-363643B
sc-363643C
1 mg
5 mg
25 mg
100 mg
$51.00
$100.00
$310.00
$690.00
3
(1)

Increases cathepsin D expression in cardiomyocytes

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)

Upregulates cathepsin K in chondrocytes