Date published: 2026-4-28

1-800-457-3801

SCBT Portrait Logo
Seach Input

GRASP55 Activators

GRASP55 Activators refer to a set of chemical compounds that indirectly enhance the functional activity of GRASP55, a protein involved in the stacking and linking of Golgi cisternae. The activation of GRASP55 is facilitated through various cellular signaling pathways that are influenced by these compounds. Compounds such as Forskolin, Rolipram, Sp-8-Br-cAMPS, and 8-CPT-cAMP elevate the intracellular levels of cAMP, leading to the activation of PKA. This kinase is known to phosphorylate a range of substrates, including those associated with GRASP55, thereby potentially enhancing GRASP55's role in maintaining the structural integrity of the Golgi apparatus. Similarly, compounds that modulate the intracellular calcium concentration, like IonomIt appears there was an error in the previous response. Here is the correct completion of the information:

GRASP55 Activators encompass a collection of chemical compounds that enhance the functional activity of GRASP55 through indirect pathways. These compounds influence various cellular processes and signaling cascades, ultimately leading to the activation of GRASP55. For example, Forskolin, by activating adenylate cyclase, increases cAMP levels, which in turn activates PKA. PKA then phosphorylates proteins that may interact with GRASP55, thus enhancing its role in maintaining Golgi structure. Rolipram and Sp-8-Br-cAMPS also elevate cAMP levels but through different mechanisms, with Rolipram inhibiting PDE4 to prevent cAMP degradation, and Sp-8-Br-cAMPS being a direct PKA activator. Through these actions, they facilitate GRASP55's function in the Golgi apparatus.

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 is an activator of adenylate cyclase, which increases levels of cAMP in cells. Elevated cAMP activates PKA (protein kinase A), which can phosphorylate various proteins, including molecular chaperones that associate with GRASP55, resulting in enhanced functional activity of GRASP55 in the mediation of Golgi stack formation.

Rolipram

61413-54-5sc-3563
sc-3563A
5 mg
50 mg
$77.00
$216.00
18
(1)

Rolipram is a selective inhibitor of phosphodiesterase 4 (PDE4), which degrades cAMP. By inhibiting PDE4, rolipram increases intracellular cAMP levels, subsequently activating PKA. This may enhance the phosphorylation state of proteins that interact with GRASP55, leading to an increase in GRASP55-mediated Golgi apparatus stacking.

8-Bromo-cGMP

51116-01-9sc-200316
sc-200316A
10 mg
50 mg
$104.00
$354.00
7
(1)

Sp-8-Br-cAMPS is a cell-permeable cAMP analog that activates PKA. PKA activation can lead to the phosphorylation of proteins associated with GRASP55, which may enhance the functional activity of GRASP55 in Golgi structure maintenance.

8-CPT-cAMP

93882-12-3sc-201569
sc-201569A
20 mg
100 mg
$87.00
$316.00
19
(1)

8-CPT-cAMP is a cell-permeable cAMP analog that serves as an activator of PKA. By stimulating PKA, it can indirectly enhance the phosphorylation and function of GRASP55 in the assembly and maintenance of the Golgi apparatus.

Ionomycin

56092-82-1sc-3592
sc-3592A
1 mg
5 mg
$78.00
$270.00
80
(4)

Ionomycin is a calcium ionophore that increases intracellular calcium levels. Calcium is a secondary messenger that can influence various signaling pathways, including those that may phosphorylate proteins interacting with GRASP55, potentially enhancing GRASP55 activity in Golgi stacking.

Tunicamycin

11089-65-9sc-3506A
sc-3506
5 mg
10 mg
$172.00
$305.00
66
(3)

Tunicamycin inhibits N-linked glycosylation, which can cause ER stress and may lead to the activation of signaling pathways that enhance the functional activity of GRASP55 in response to misfolded protein accumulation.

MG-132 [Z-Leu- Leu-Leu-CHO]

133407-82-6sc-201270
sc-201270A
sc-201270B
5 mg
25 mg
100 mg
$60.00
$265.00
$1000.00
163
(3)

MG132 is a proteasome inhibitor that leads to the accumulation of ubiquitinated proteins, potentially increasing the demand for GRASP55 function in the formation of Golgi stacks to process misfolded proteins.

NOC-18

146724-94-9sc-202247
sc-202247A
sc-202247B
sc-202247C
10 mg
50 mg
100 mg
500 mg
$51.00
$184.00
$305.00
$1122.00
18
(1)

NOC-18 releases nitric oxide, which can function as a signaling molecule that activates guanylate cyclase, leading to cGMP production. cGMP can activate PKG, which might phosphorylate substrates that interact with GRASP55, enhancing its function.

A23187

52665-69-7sc-3591
sc-3591B
sc-3591A
sc-3591C
1 mg
5 mg
10 mg
25 mg
$55.00
$131.00
$203.00
$317.00
23
(1)

A23187 is a calcium ionophore similar to ionomycin, which also increases intracellular calcium levels, potentially enhancing GRASP55 activity by influencing calcium-dependent signaling pathways.

Celastrol, Celastrus scandens

34157-83-0sc-202534
10 mg
$158.00
6
(1)

Celastrol is a compound that induces heat shock response, which can lead to the upregulation of molecular chaperones that may interact with GRASP55, thereby enhancing its functional activity in Golgi organization.