Date published: 2026-4-24

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MLN64 Activators

MLN64 activators are a category of compounds that modulate the activity of the protein MLN64, also known as Steroidogenic Acute Regulatory Protein-Related Lipid Transfer (START) Domain-Containing 3. MLN64 plays a role in the intracellular trafficking of sterols, specifically in transporting cholesterol from the outer to the inner mitochondrial membrane, where it serves as a precursor for steroidogenesis.

Activators of MLN64 can function through various mechanisms. Direct activators may bind to the protein itself, potentially altering its conformation to enhance its lipid transfer activity. This could involve an increase in the binding affinity of MLN64 for cholesterol or a facilitation of the protein's interaction with the mitochondrial membrane. Such a direct interaction could also stimulate the transfer of cholesterol molecules, thereby augmenting the rate at which they are supplied to the sites of steroid hormone synthesis. Indirect activators, on the other hand, might increase MLN64 activity by upregulating its expression or by modulating the cellular environment to be more conducive to its function. This may include altering the levels of cellular cholesterol, which could have a secondary effect on MLN64 activity by increasing the substrate availability for cholesterol transfer. Other indirect mechanisms could involve the modification of proteins that interact with MLN64, thereby affecting its stability, localization, or capacity to transfer cholesterol. Research into MLN64 activators is driven by a desire to understand the fundamental mechanisms of cholesterol trafficking within cells. Since MLN64 is involved in the delivery of cholesterol to mitochondria, the study of activators can provide insights into the regulation of steroid biosynthesis and lipid homeostasis.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Cholesterol

57-88-5sc-202539C
sc-202539E
sc-202539A
sc-202539B
sc-202539D
sc-202539
5 g
5 kg
100 g
250 g
1 kg
25 g
$27.00
$2809.00
$129.00
$210.00
$583.00
$88.00
11
(1)

Cholesterol is a major component of mammalian cell membranes. It can enhance MLN64 activity as it is a known substrate for the protein. MLN64 transports cholesterol from late endosomes to other cellular compartments, thus its function is increased with higher cholesterol levels.

U 18666A

3039-71-2sc-203306
sc-203306A
10 mg
50 mg
$143.00
$510.00
2
(1)

U18666A is a compound that inhibits intracellular cholesterol transport. This leads to accumulation of cholesterol in late endosomes and lysosomes, which can enhance MLN64 function due to increased substrate availability.

Progesterone

57-83-0sc-296138A
sc-296138
sc-296138B
1 g
5 g
50 g
$20.00
$52.00
$298.00
3
(1)

Progesterone is a steroid hormone involved in the female menstrual cycle. MLN64 has a steroidogenic acute regulatory protein-related lipid transfer (START) domain that binds and transports various sterols, including progesterone, enhancing its function.

β-Estradiol

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

Estradiol, a form of estrogen, can be transported by MLN64. This can enhance the functional activity of MLN64 due to increased substrate availability.

Hydrocortisone

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

Cortisol is a glucocorticoid hormone that can be transported by MLN64. Increased cortisol levels can enhance the functional activity of MLN64.

25-Hydroxycholesterol

2140-46-7sc-214091B
sc-214091
sc-214091A
sc-214091C
5 mg
10 mg
25 mg
100 mg
$53.00
$91.00
$169.00
$474.00
8
(2)

25-Hydroxycholesterol is an oxidized form of cholesterol. It can enhance the functional activity of MLN64 as it is a potential substrate for the protein.

2-Hydroxypropyl-β-cyclodextrin

128446-35-5sc-203461
sc-203461B
sc-203461C
sc-203461A
1 g
100 g
500 g
5 g
$53.00
$620.00
$1989.00
$133.00
8
(1)

Methyl-β-cyclodextrin is a compound that extracts cholesterol from membranes. It can enhance MLN64 function by increasing the pool of free cholesterol, a known substrate for MLN64.

Filipin III

480-49-9sc-205323
sc-205323A
500 µg
1 mg
$118.00
$148.00
26
(2)

Filipin III is a sterol-binding compound that can disturb cholesterol distribution. This can potentially enhance MLN64 function due to increased substrate availability.

Lovastatin

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

Lovastatin is a statin drug that inhibits the enzyme HMG-CoA reductase, an enzyme crucial for cholesterol biosynthesis. By reducing cellular cholesterol synthesis, it can lead to compensation mechanisms that involve increased function of MLN64 to redistribute existing cholesterol.

Simvastatin

79902-63-9sc-200829
sc-200829A
sc-200829B
sc-200829C
50 mg
250 mg
1 g
5 g
$31.00
$89.00
$135.00
$443.00
13
(1)

Simvastatin is another statin drug that inhibits HMG-CoA reductase. Similar to Lovastatin, it can indirectly enhance MLN64 function by affecting cellular cholesterol homeostasis.