Date published: 2025-9-10

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SPTSSA Activators

SPTSSA, or Serine Palmitoyltransferase Small Subunit A, is a crucial component of the serine palmitoyltransferase (SPT) enzyme complex. This complex catalyzes the initial step in sphingolipid biosynthesis, which is the condensation of serine with palmitoyl-CoA to form 3-ketosphinganine. Sphingolipids are not only structural elements of cell membranes but also play pivotal roles in signal transduction and cell recognition.

The SPTSSA subunit is essential for the stabilization and localization of the SPT complex within the cell. It is involved in the regulation of the complex's activity, influencing the rate of sphingolipid production. Proper functioning of this enzyme is critical, as imbalances in sphingolipid levels are associated with various diseases, including metabolic disorders and neurodegenerative diseases like Alzheimer's.SPTSSA itself is regulated by various mechanisms within the cell, ensuring that sphingolipid synthesis is tightly controlled. Factors that influence cellular lipid composition, energy balance, and stress responses can alter SPTSSA expression. For example, nutrient availability, metabolic demands, and exposure to toxins can modulate the activity of the SPT complex through changes in SPTSSA levels.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Palmitic Acid

57-10-3sc-203175
sc-203175A
25 g
100 g
$112.00
$280.00
2
(0)

As a substrate for SPT, excess palmitic acid might enhance SPTSSA expression to increase sphingolipid production.

D-erythro-Sphingosine

123-78-4sc-3546
sc-3546A
sc-3546B
sc-3546C
sc-3546D
sc-3546E
10 mg
25 mg
100 mg
1 g
5 g
10 g
$88.00
$190.00
$500.00
$2400.00
$9200.00
$15000.00
2
(2)

A sphingolipid that could modulate its own synthesis by regulating SPTSSA expression.

C2 Ceramide

3102-57-6sc-201375
sc-201375A
5 mg
25 mg
$77.00
$316.00
12
(1)

As part of the sphingolipid pathway, ceramide levels could influence SPTSSA expression through feedback mechanisms.

Matrine

519-02-8sc-205741
sc-205741A
100 mg
500 mg
$242.00
$544.00
(0)

An alkaloid that may affect multiple signaling pathways, potentially altering SPTSSA expression.

Betulinic Acid

472-15-1sc-200132
sc-200132A
25 mg
100 mg
$115.00
$337.00
3
(1)

A triterpenoid that can induce stress responses, possibly impacting SPTSSA expression.

Lovastatin

75330-75-5sc-200850
sc-200850A
sc-200850B
5 mg
25 mg
100 mg
$28.00
$88.00
$332.00
12
(1)

An inhibitor of HMG-CoA reductase that may have off-target effects on other lipid-related enzymes, including SPTSSA.

Simvastatin

79902-63-9sc-200829
sc-200829A
sc-200829B
sc-200829C
50 mg
250 mg
1 g
5 g
$30.00
$87.00
$132.00
$434.00
13
(1)

Similar to lovastatin, could indirectly affect SPTSSA expression through its role in lipid metabolism.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$62.00
$155.00
$320.00
233
(4)

An mTOR inhibitor that may alter lipid metabolism and thus SPTSSA expression.

Pioglitazone

111025-46-8sc-202289
sc-202289A
1 mg
5 mg
$54.00
$123.00
13
(1)

A PPAR-gamma agonist that regulates lipid metabolism, potentially affecting SPTSSA expression.

Choline chloride

67-48-1sc-207430
sc-207430A
sc-207430B
10 mg
5 g
50 g
$32.00
$36.00
$51.00
1
(1)

Essential for phospholipid synthesis, choline availability might influence sphingolipid synthesis and SPTSSA expression.