Date published: 2026-4-1

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Notch 3 Inhibitors

Notch 3 inhibitors comprise a class of chemicals that exert their effects on the Notch signaling pathway, specifically targeting the activation and transcriptional regulation of Notch 3. Among these, γ-secretase inhibitors like DAPT, DBZ, LY-411575, and others directly interfere with Notch 3 activation by blocking the cleavage process essential for its signaling. Additionally, compounds like SAHM1 and FLI-12 indirectly modulate Notch 3 by targeting co-activators such as Mastermind-like (MAML) proteins, disrupting the transcriptional complex and altering Notch 3's ability to regulate downstream gene expression. The γ-secretase inhibitors, including RO4929097 and MK-0752, play a crucial role in preventing the release of the active intracellular domain of Notch 3. This inhibition leads to a cascade of events, influencing cellular responses dependent on Notch signaling. Understanding the specific mechanisms of these inhibitors provides insights into their applications in studying Notch 3-related cellular processes and highlights their significance in modulating transcriptional regulation within the Notch signaling pathway. These inhibitors can serve as valuable tools for exploring the intricate details of Notch 3 function in various cellular contexts.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

DAPT

208255-80-5sc-201315
sc-201315A
sc-201315B
sc-201315C
5 mg
25 mg
100 mg
1 g
$40.00
$120.00
$480.00
$2141.00
47
(3)

DAPT inhibits γ-secretase, a key enzyme in the Notch signaling pathway. By blocking the cleavage of Notch, DAPT prevents the release of the active Notch intracellular domain, thus directly inhibiting Notch 3 activation.

Dibenzazepine (Deshydroxy LY 411575)

209984-56-5sc-207554
sc-207554A
2 mg
5 mg
$235.00
$260.00
4
(1)

DBZ inhibits γ-secretase, disrupting Notch signaling. By impeding Notch 3 cleavage and release of its intracellular domain, DBZ serves as a direct inhibitor of Notch 3 activation, influencing its downstream transcriptional effects.

SAHM1

2050906-89-1sc-507534
5 mg
$1435.00
(0)

SAHM1 is a selective inhibitor of Mastermind-like (MAML) proteins, essential co-activators in Notch signaling. By targeting MAML, SAHM1 indirectly modulates Notch 3 activity, impacting its transcriptional regulation within the signaling cascade.

FLI-06

313967-18-9sc-497529
5 mg
$82.00
(0)

FLI-06 interferes with the Notch transcriptional complex by disrupting the interaction between Notch and its co-activator, Mastermind. This direct inhibition alters Notch 3's ability to regulate gene expression, influencing downstream cellular responses.

LY411575

209984-57-6sc-364529
sc-364529A
10 mg
50 mg
$198.00
$473.00
6
(1)

LY-411575 is a γ-secretase inhibitor, blocking the cleavage of Notch receptors. Through direct inhibition of Notch activation, LY-411575 modulates Notch 3 signaling, affecting its downstream transcriptional functions within various cellular contexts.

RO-4929097

847925-91-1sc-364602
sc-364602A
10 mg
50 mg
$439.00
$1417.00
1
(1)

RO4929097 is a γ-secretase inhibitor that directly targets Notch signaling. By preventing Notch 3 activation, RO4929097 interferes with the release of the intracellular domain, influencing downstream transcriptional responses in cells dependent on Notch signaling.

MK-0752

471905-41-6sc-364534
sc-364534A
10 mg
50 mg
$592.00
$1550.00
(1)

MK-0752 is a γ-secretase inhibitor that directly blocks Notch activation. By inhibiting cleavage and release of the Notch intracellular domain, MK-0752 serves as a direct inhibitor of Notch 3, modulating its downstream transcriptional effects in various cellular contexts.

L-685,458

292632-98-5sc-204042
sc-204042A
1 mg
5 mg
$337.00
$1000.00
4
(1)

L685,458 is a γ-secretase inhibitor, blocking Notch receptor cleavage. This direct inhibition of Notch activation impacts Notch 3 signaling, influencing its downstream transcriptional effects in a variety of cellular processes dependent on Notch signaling.

Compound E

209986-17-4sc-221433
sc-221433A
sc-221433B
250 µg
1 mg
5 mg
$124.00
$342.00
$967.00
12
(2)

Compound E is a γ-secretase inhibitor that directly inhibits Notch signaling. Through blocking cleavage and release of the Notch intracellular domain, Compound E directly influences Notch 3, altering its downstream transcriptional effects in various cellular contexts.