Date published: 2026-4-1

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HPS-4 Activators

The chemical class termed HPS-4 Activators encompasses compounds that influence the functionality of HPS-4 by altering intracellular trafficking and organelle function. These activators exert their effects by targeting various pathways and cellular processes such as cation transport within the Golgi complex (Monensin), ER to Golgi transport (Brefeldin A), cAMP pathways (Forskolin), and the activity of PKC (PMA).

Each compound has a unique mechanism of action but ultimately affects the cellular context in which HPS-4 operates, enhancing or compensating its function in organelle biogenesis. These activators do not directly bind or modify HPS-4; instead, they create conditions that facilitate the protein's functional capacity. With varied targets like lysosomal acidity (Chloroquine), membrane composition (Methyl-β-cyclodextrin), and cytoskeletal dynamics (Nocodazole, Latrunculin A), the activators collectively represent a broad approach to modulating the complex cellular environment that governs HPS-4's activity.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Monensin A

17090-79-8sc-362032
sc-362032A
5 mg
25 mg
$155.00
$525.00
(1)

Monensin, a polyether antibiotic, disrupts Golgi function by altering cation transport. This disruption could potentially enhance the trafficking of proteins to lysosome-related organelles, thereby indirectly enhancing HPS-4 functionality.

Brefeldin A

20350-15-6sc-200861C
sc-200861
sc-200861A
sc-200861B
1 mg
5 mg
25 mg
100 mg
$31.00
$53.00
$124.00
$374.00
25
(3)

Brefeldin A inhibits transport of molecules from the endoplasmic reticulum to the Golgi apparatus. This compound could influence the cellular pathways that HPS-4 is involved in by modulating protein trafficking and potentially compensating for defects in organelle biogenesis.

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 adenylyl cyclase, increasing levels of cAMP, which is a secondary messenger known to regulate a wide array of cellular functions, including vesicle trafficking, which is critical for the function of HPS-4.

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 (PKC), which is involved in a multitude of cellular processes including organelle organization. PKC activation could enhance vesicle formation and trafficking, potentially increasing the functional capability of HPS-4.

Genistein

446-72-0sc-3515
sc-3515A
sc-3515B
sc-3515C
sc-3515D
sc-3515E
sc-3515F
100 mg
500 mg
1 g
5 g
10 g
25 g
100 g
$45.00
$164.00
$200.00
$402.00
$575.00
$981.00
$2031.00
46
(1)

Genistein is a tyrosine kinase inhibitor that may modulate signal transduction pathways, indirectly affecting intracellular trafficking and possibly influencing HPS-4 mediated processes.

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

Curcumin is a compound that can modulate various signaling pathways. Though not directly linked to HPS-4, it might influence endosomal/lysosomal trafficking, thereby having a potential effect on HPS-4-related functions.

Chloroquine

54-05-7sc-507304
250 mg
$69.00
2
(0)

Chloroquine is known to affect lysosomal acidity and might influence lysosomal trafficking and function. These changes could potentially affect the milieu in which HPS-4 operates within the cell.

Niclosamide

50-65-7sc-250564
sc-250564A
sc-250564B
sc-250564C
sc-250564D
sc-250564E
100 mg
1 g
10 g
100 g
1 kg
5 kg
$38.00
$79.00
$188.00
$520.00
$1248.00
$5930.00
8
(1)

Niclosamide uncouples oxidative phosphorylation, which could lead to alterations in cellular energy states, potentially affecting vesicle dynamics and indirectly influencing HPS-4 activity.

Nocodazole

31430-18-9sc-3518B
sc-3518
sc-3518C
sc-3518A
5 mg
10 mg
25 mg
50 mg
$59.00
$85.00
$143.00
$247.00
38
(2)

Nocodazole disrupts microtubules, altering intracellular transport and potentially modifying the cellular environment in a way that may impact HPS-4 function indirectly.