Date published: 2026-5-30

1-800-457-3801

SCBT Portrait Logo
Seach Input

raf-A Activators

RAF-A Activators encompass a range of chemical compounds that indirectly enhance the functional activity of RAF-A through modulation of various signaling pathways, particularly the MAPK/ERK pathway. Sorafenib, Vemurafenib, Dabrafenib, and GDC-0879 are kinase inhibitors primarily targeting BRAF kinases. Their inhibitory action on BRAF, especially in the context of mutated forms like BRAF V600E, leads to a compensatory increase in RAF-A activity to maintain signaling homeostasis. This is crucial as RAF-A plays a significant role in cell proliferation and survival pathways. Similarly, LY3009120 and PLX8394, while being pan-RAF and BRAF inhibitors respectively, paradoxically lead to RAF-A activation in specific cellular contexts where RAF/MEK/ERK signaling is dysregulated. This paradoxical activation illustrates the intricate regulatory mechanisms that cells employ to balance signaling networks.

In addition to BRAF inhibitors, a significant contribution to RAF-A activation comes from MEK inhibitors like Trametinib, Cobimetinib, Selumetinib (AZD6244), U0126, and PD 0325901. These compounds target MEK1/2, leading to a reduction in ERK signaling downstream of RAF kinases. As a result, a feedback loop is initiated, resulting in the upregulation or enhanced activation of RAF-A. This compensatory mechanism is an adaptive response of the cell to maintain essential signaling pathway.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Sorafenib

284461-73-0sc-220125
sc-220125A
sc-220125B
5 mg
50 mg
500 mg
$57.00
$100.00
$250.00
129
(3)

Sorafenib targets multiple kinases, including RAF kinases. By inhibiting other kinases, Sorafenib leads to a compensatory increase in RAF-A signaling as a feedback mechanism. This enhances RAF-A-mediated MAPK/ERK pathway activation.

Vemurafenib

918504-65-1sc-364643
sc-364643A
10 mg
50 mg
$117.00
$423.00
11
(1)

Vemurafenib, designed to inhibit BRAF V600E mutations, can paradoxically activate RAF-A in cells with wild-type BRAF. This occurs through transactivation of RAF-A, enhancing its kinase activity and downstream signaling.

Dabrafenib

1195765-45-7sc-364477
sc-364477A
sc-364477B
sc-364477C
sc-364477D
5 mg
25 mg
50 mg
100 mg
10 g
$141.00
$260.00
$278.00
$411.00
$12485.00
6
(1)

Dabrafenib, a BRAF inhibitor, can lead to RAF-A activation in cells with wild-type BRAF. It induces RAF-A dimerization and activation, promoting MAPK/ERK signaling.

Erlotinib Hydrochloride

183319-69-9sc-202154
sc-202154A
10 mg
25 mg
$75.00
$121.00
33
(1)

Erlotinib, an EGFR inhibitor, can indirectly activate RAF-A through a feedback loop. Inhibition of EGFR leads to compensatory signaling changes that enhance RAF-A activity as part of the MAPK/ERK pathway.

Lapatinib

231277-92-2sc-353658
100 mg
$420.00
32
(1)

Lapatinib, a dual inhibitor of EGFR and HER2, can indirectly lead to RAF-A activation. By inhibiting upstream tyrosine kinases, it causes compensatory changes that enhance RAF-A's role in cell signaling.

Selumetinib

606143-52-6sc-364613
sc-364613A
sc-364613B
sc-364613C
sc-364613D
5 mg
10 mg
100 mg
500 mg
1 g
$29.00
$82.00
$420.00
$1897.00
$3021.00
5
(1)

Selumetinib is a MEK inhibitor. By inhibiting downstream of RAF-A, it can lead to a feedback increase in RAF-A activity as the cell attempts to overcome the blockade of the MAPK/ERK pathway.

Trametinib

871700-17-3sc-364639
sc-364639A
sc-364639B
5 mg
10 mg
1 g
$114.00
$166.00
$947.00
19
(1)

Trametinib, another MEK inhibitor, similarly to Selumetinib, can indirectly enhance RAF-A activity through feedback mechanisms that try to compensate for the inhibition of the MAPK/ERK pathway.

Cobimetinib

934660-93-2sc-507421
5 mg
$270.00
(0)

Cobimetinib, a MEK inhibitor, can indirectly activate RAF-A. The inhibition of MEK leads to feedback loops that upregulate RAF-A activity, as the cell attempts to maintain MAPK/ERK pathway signaling.

Sunitinib, Free Base

557795-19-4sc-396319
sc-396319A
500 mg
5 g
$153.00
$938.00
5
(0)

Sunitinib, primarily a receptor tyrosine kinase inhibitor, can indirectly enhance RAF-A activity. Its inhibition of multiple kinases can result in compensatory cellular responses that activate RAF-A.

PD 98059

167869-21-8sc-3532
sc-3532A
1 mg
5 mg
$40.00
$92.00
212
(2)

PD98059, an inhibitor of MEK, can indirectly lead to increased RAF-A activity. This is due to feedback mechanisms within the MAPK/ERK pathway aiming to compensate for the reduced pathway signaling.