Date published: 2026-4-25

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Rab 27a Activators

Rab27a activators represent a class of molecules that play a crucial role in intracellular vesicular trafficking and cellular secretion processes. Rab27a itself is a member of the Rab family of small GTPases, which are key regulators of vesicle transport within eukaryotic cells. Rab27a is particularly notable for its involvement in the regulation of exocytosis, the process by which cells release various substances, such as hormones, neurotransmitters, and proteins, into their extracellular environment. This GTPase is predominantly found in secretory cells, including those in the endocrine and exocrine systems, as well as in immune cells. Rab27a activators, as the name suggests, are compounds or proteins that enhance the activity of Rab27a, thereby modulating the secretory pathways within cells.

The activation of Rab27a is critical for the proper functioning of secretory cells. When activated, Rab27a facilitates the docking and fusion of secretory vesicles with the cell membrane, allowing the controlled release of their contents. This process is essential for a wide range of physiological functions, including the regulation of insulin release from pancreatic beta cells, the release of neurotransmitters from neurons, and the secretion of immune mediators from immune cells. Rab27a activators are thought to exert their effects by enhancing the GTPase activity of Rab27a, which in turn promotes vesicle tethering, docking, and fusion at the cell membrane. Consequently, these activators have garnered significant interest in the field of cell biology and provide valuable tools for investigating the molecular mechanisms underlying secretory processes within cells.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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 intracellular cAMP levels. This elevation can activate PKA, potentially leading to the transcriptional activation of various genes, including potentially Rab 27a, through the CREB pathway.

Dexamethasone

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

Dexamethasone is a synthetic glucocorticoid that can regulate gene expression via the glucocorticoid receptor. It may lead to alterations in the transcription of various genes, including potentially Rab 27a, as part of its wide-ranging effects on cellular processes.

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, the active form of vitamin A, binds to retinoic acid receptors (RARs), modulating the transcription of target genes. This process could include the upregulation of Rab 27a, given its role in cellular differentiation and proliferation.

L-3,3′,5-Triiodothyronine, free acid

6893-02-3sc-204035
sc-204035A
sc-204035B
10 mg
100 mg
250 mg
$41.00
$77.00
$153.00
(1)

T3, an active thyroid hormone, binds to thyroid hormone receptors, altering gene expression profiles. This may lead to increased expression of proteins involved in cellular metabolism and transport, potentially including Rab 27a.

Insulin

11061-68-0sc-29062
sc-29062A
sc-29062B
100 mg
1 g
10 g
$156.00
$1248.00
$12508.00
82
(1)

Insulin activates the PI3K/Akt and MAPK pathways, influencing cellular metabolism and growth. These pathways could potentially lead to changes in the expression of genes such as Rab 27a, as part of the cellular response to insulin.

Lithium

7439-93-2sc-252954
50 g
$214.00
(0)

Lithium chloride can inhibit GSK-3β, potentially leading to changes in Wnt signaling and gene expression. This alteration in cellular signaling might result in the upregulation of various genes, including Rab 27a, though the exact mechanisms are complex and multifaceted.

β-Estradiol

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

17β-Estradiol binds to estrogen receptors, altering the transcription of various genes. This hormonal signaling could potentially lead to changes in the expression of proteins involved in cellular transport and signaling, including Rab 27a.

Rosiglitazone

122320-73-4sc-202795
sc-202795A
sc-202795C
sc-202795D
sc-202795B
25 mg
100 mg
500 mg
1 g
5 g
$120.00
$326.00
$634.00
$947.00
$1259.00
38
(1)

Rosiglitazone is a PPAR-γ agonist, which can modulate the transcription of genes involved in metabolism and inflammation. This could potentially include Rab 27a, as part of the cellular response to this compound.

Hydrogen Peroxide

7722-84-1sc-203336
sc-203336A
sc-203336B
100 ml
500 ml
3.8 L
$31.00
$61.00
$95.00
28
(1)

Hydrogen peroxide can act as a signaling molecule, influencing various cellular pathways. This includes the potential for oxidative stress-induced changes in gene expression, which might impact the levels of proteins such as Rab 27a.

Cholecalciferol

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

Vitamin D3 undergoes conversion to its active form, calcitriol, which binds to the vitamin D receptor. This interaction can modulate the expression of various genes, potentially including Rab 27a, as part of the cellular response to vitamin D.