p38δ

TAK-715 is a p38 MAPK inhibitor for p38α.

NSC-37445 has anti-tumor activity, such as inhibits growth of bladder tumor cells in a nude mice model , prevents the recurrence and progression of non-muscle-invasive urothelial cell carcinoma. NSC-37445 can significantly reduce the expression of CDK1-inhibitory kinases, Myt1 and Wee1, and cause cyclin B1 protein accumulation leading to CDK1 activation in T24 cells. 3. Flavokawain A (Flavokavain A) may exert anti-inflammatory responses by suppressing LPS-induced expression of pro-inflammatory mediators via blockage of NF-κB-AP-1-JNK p38 MAPK signaling pathways in the murine macrophages.

Fasudil (HA-1077) is a potent inhibitor of ROCK1, PKA, PKC, and MLCK.

Fasudil hydrochloride (HA-1077) is a potent inhibitor of ROCK1, PKA, PKC, and MLCK with Ki of 0.33 μM, 1.0 μM, 9.3 μM and 55 μM, respectively.

Butein is a cAMP-specific PDE inhibitor, protein tyrosine kinase inhibitor, and SIRT1 activator. It sensitizes HeLa cells to Cisplatin by targeting FoxO3a via the AKT and ERK p38 MAPK pathways.

Bongkrekic acid (Bongkrekic Acid (ammonium salt)) is a mitochondrial toxin secreted by Burkholderia gladioli that inhibits adenine nucleotide translocase (ANT).Bongkrekic acid Bongkrekic acid Bongkrekic acid induces extracellular traps in neutrophils through signaling mediated by p38, ERK, PAD4, and P2X1.

AZ304 is an ATP-competitive dual BRAF kinase inhibitor, effectively inhibiting BRAF (WT), BRAF (V600E), and wild-type CRAF [IC50s: 79 38 68 nM].

SU9516 is a potent CDK2 inhibitor with an IC50 of 22 nM and also inhibits CDK1 and CDK4, with IC50s of 40 nM and 200 nM, respectively.

Anemarsaponin B has anti-inflammatory effect in LPS-treated RAW 264.7macrophages, the effect is associated with the inhibition of NF-κB transcriptional activity, possibly via the p38 MAP kinase pathway. Anemarsaponin B can inhibit PAF-induced rabbit platelet aggregation in vitro.

Doramapimod (BIRB 796) is a highly potent inhibitor of p38 MAPK (Kd: 0.1 nM), but weakly inhibits c-RAF, Fyn, Lck, ERK-1, SYK, IKK2, and ZAP-70.

p38 MAPK inhibitor IV is an ATP-competitive inhibitor of p38 MAP kinases with IC50 values of 0.13, 0.55, 5.47, and 8.63 μM for p38α, p38β, p38x, and p38δ, respectively, in vitro.[1] It also inhibits LPS-induced TNF-α and IL-1β cytokine production (IC50s = 22 and 44 nM, respectively) in human peripheral blood mononuclear cells.

SJFα (SJF alpha) is a PROTAC formed by an E3 ubiquitin ligase-conjugated protein hydrolysis regulator that degrades p38α and p38δ and can be used in cancer research.

SX 011 is a p38α inhibitor.

AMG-548 dihydrochloride is a selective, orally active p38α inhibitor with a Ki value of 0.5 nM, a slight selectivity for p38β (Ki=36 nM) and >1000-fold selectivity for p38γ and p38δ. AMG-548 dihydrochloride exhibits inhibition of whole blood LPS-stimulated TNFα with an IC50 value of 3 nM. AMG-548 dihydrochloride directly inhibited casein kinase 1 isoforms δ and ε, and inhibited Wnt signaling.

AMG-548 hydrochloride is a selective, orally active p38α inhibitor with a Ki value of 0.5 nM, a slight selectivity for p38β (Ki=36 nM) and a 1000-fold selectivity for p38γ and p38δ. AMG 548 hydrochloride also effectively inhibits whole blood LPS-stimulated TNFα with an IC50 value of 3 nM. AMG-548 hydrochloride directly inhibited casein kinase 1 isoforms δ and ε, which in turn inhibited Wnt signaling.

Potent and selective p38α and p38β degrader (DC50 < 50 nM). Displays no significant degradation of p38γ, p38δ, JNK1/2 or ERK1/2. Inhibits phosphorylation of MK2 in UV-treated cancer cells and LPS-stimulated bone marrow-derived macrophages (BMDM). Exhibits similar effect to p38α gene knockout in BBL358 cells. Active in vivo.

AMG-548 hydrochloride is an orally active and selective p38α inhibitor (Ki: 0.5 nM) and shows slightly selective over p38β (Ki: 36 nM) and >1000 fold selective against p38γ p38δ. It is also extremely potent in the inhibition of whole blood LPS stimulated TNFα (IC50: 3 nM).

AMG-548 dihydrochloride is an orally active and selective p38α inhibitor (Ki: 0.5 nM) and shows slightly selective over p38β (Ki: 36 nM) and >1000 fold selective against p38γ p38δ. It is also extremely potent in the inhibition of whole blood LPS stimulate

Pamapimod (R1503) (R-1503, Ro4402257) is a novel, selective inhibitor of p38 mitogen-activated protein kinase. It inhibits p38α and p38β enzymatic activity with IC50 values of 0.014±0.002 and 0.48± 0.04 microM, respectively with no activity against p38delta or p38 gamma isoforms.

RWJ-67657 (JNJ 3026582) is an orally active, selective p38α and p38β MAPK inhibitor (IC50s: 1 and 11 μM, respectively), with no activity at p38γ and p38δ, and demonstrates cardioprotective effects.

P38-α MAPK-IN-5 is a potent inhibitor of p38α, demonstrating inhibitory concentrations (IC50) of 0.1 nM for p38α, 0.2 nM for p38β, 944 nM for p38γ, and 4100 nM for p38δ. It exhibits anti-inflammatory properties and holds potential for research in asthma and chronic obstructive pulmonary disease (COPD).

MAPK13-IN-1 is a potent MAPK13 (p38δ) inhibitor (IC50: 620 nM).

AMG-548 is an orally active and selective p38α inhibitor (Ki=0.5 nM), shows slightly selective over p38β (Ki=36 nM) and >1000 fold selective against p38γ and p38δ and is also extremely potent in the inhibition of whole blood LPS stimulated TNFα (IC50=3 nM

SJFδ is a 10-atom linker PROTAC that selectively degrades p38δ with a DC50 of 46.17 nM, without degrading p38α, p38β, or p38γ[1].