Digestive System Inflammation

Gemcitabine (LY 188011) is a pyrimidine nucleoside analog antimetabolite and an antineoplastic agent. Gemcitabine inhibits DNA synthesis and repair, and can modulate autophagy. Gemcitabine induces apoptosis through the activation of p38 MAPK. Gemcitabine demonstrates efficacy in mouse models of pancreatic and breast cancer. Gemcitabine can be used for cancer research, such as pancreatic cancer, non-small cell lung cancer, and breast cancer.

Ruxolitinib (INCB18424) is an orally active and selective JAK1/2 inhibitor with IC₅₀s of 3.3 nM and 2.8 nM in cell-free assays, and has 130-fold selectivity for JAK1/2 over JAK3. Ruxolitinib induces autophagy and kills tumor cells through toxic mitophagy.

BAY 11-7082 is an IκBα phosphorylation and NF-κB inhibitor. BAY 11-7082 selectively and irreversibly inhibits the TNF-α-induced phosphorylation of IκB-α, and decreases NF-κB and expression of adhesion molecules. BAY 11-7082 inhibits ubiquitin-specific protease USP7 and USP21 (IC₅₀=0.19, 0.96 μM, respectively). BAY 11-7082 inhibits gasdermin D (GSDMD) pore formation in liposomes and inflammasome-mediated pyroptosis and IL-1β secretion in human and mouse cells.

DAPT (GSI-IX) is a potent and orally active γ-secretase inhibitor with IC₅₀s of 115 nM and 200 nM for total amyloid-β (Aβ) and Aβ₄₂, respectively. DAPT inhibits the activation of Notch 1 signaling and induces cell differentiation. DAPT also induces autophagy and apoptosis. DAPT has neuroprotection activity and has the potential for autoimmune and lymphoproliferative diseases, degenerative disease and cancers treatment.

Necrostatin-1 (Nec-1) is a potent and cross the blood-brain barrier necroptosis inhibitor with an EC₅₀ of 490 nM in Jurkat cells. Necrostatin-1 inhibits RIP1 kinase (EC₅₀=182 nM). Necrostatin-1 is also an IDO inhibitor.

Yoda 1 is a potent and selective Piezo1 agonist. Yoda 1 activates purified Piezo1 channels. Yoda 1 potently inhibits macropinocytosis induced by epidermal growth factor (EGF). Yoda 1 enhances Ca²⁺ influx followed by activation of the calcium-activated potassium channel KCa3.1 and inhibition of Rac1 activation.

Mdivi-1 is a selective dynamin-related protein 1 (Drp1) inhibitor. Mdivi-1 is a mitochondrial division/mitophagy inhibitor.

Rosiglitazone (BRL 49653) is an orally active selective PPARγ agonist (EC₅₀: 60 nM, K_d: 40 nM), with blood-brain barrier permeability. Rosiglitazone is an TRPC5 activator (EC₅₀: 30 μM) and TRPM3 inhibitor. Rosiglitazone can be used in the research of obesity and diabetes, senescence, ovarian cancer.

Sorafenib (Bay 43-9006) is a potent oral active multikinase inhibitor. Sorafenib blocks autophosphorylation and activity of receptor tyrosine kinases (VEGFR-2, VEGFR-3) and RAF family kinases, thereby suppressing the RAF/MEK/ERK and PI3K/Akt pathways, inhibiting STAT3 phosphorylation, and selectively inhibiting the MAPK pathway in cancer cells. Sorafenib induces cell cycle arrest, autophagy, apoptosis, and PARP cleavage, reduces Bcl-2, Bcl-XL, cyclin D1 levels, and activates Bak and Bax. Sorafenib inhibits tumor growth and metastasis in mouse and rat models. Sorafenib can be used for cancer research, such as colon, breast, non-small-cell lung cancer (NSCLC), ovarian, pancreatic, melanoma, colorectal and hepatocellular carcinoma.

Quercetin, a natural flavonoid, is a stimulator of recombinant SIRT1 and also a PI3K inhibitor with IC₅₀ of 2.4 μM, 3.0 μM and 5.4 μM for PI3K γ, PI3K δ and PI3K β, respectively.

Dasatinib (BMS-354825) is a highly potent, ATP competitive, orally active dual Src/Bcr-Abl inhibitor with potent antitumor activity. The K_is are 16 pM and 30 pM for Src and Bcr-Abl, respectively. Dasatinib inhibits Bcr-Abl and Src with IC₅₀s of <1.0 nM and 0.5 nM, respectively. Dasatinib also induces apoptosis and autophagy, and can cross the blood-brain barrier.

Adezmapimod (SB 203580) is a selective and ATP-competitive p38 MAPK inhibitor with IC₅₀s of 50 nM and 500 nM for SAPK2a/p38 and SAPK2b/p38β2, respectively. Adezmapimod inhibits LCK, GSK3β and PKBα with IC₅₀s of 100-500-fold higher than that for SAPK2a/p38. Adezmapimod can inhibit p38 MAPK and lead to the inhibition of downstream HSP27 phosphorylation. Adezmapimod does not disrupt JNK activity and is an autophagy and mitophagy activator.

Stattic is a potent STAT3 inhibitor and inhibits STAT3 phosphorylation (at Y705 and S727). Stattic inhibits the binding of a high affinity phosphopeptide for the SH2 domain of STAT3. Stattic ameliorates the renal dysfunction in Alport syndrome (AS) mice.

Decitabine (NSC 127716) is an orally active deoxycytidine analogue antimetabolite and DNA methyltransferase inhibitor. Decitabine incorporates into DNA in place of cytosine can covalently trap DNA methyltransferase to DNA causing irreversible inhibition of the enzyme. Decitabine induces cell G2/M arrest and cell Apoptosis. Decitabine has potent anticancer activity.

Polyinosinic-polycytidylic acid (Poly(I:C)) is a synthetic analog of double-stranded RNA and an agonist of toll-like receptor 3 (TLR3) and retinoic acid inducible gene I (RIG-I)-like receptors (RIG-I and MDA5). Polyinosinic-polycytidylic acid can be used as a vaccine adjuvant to enhance innate and adaptive immune responses, and to alter the tumor microenvironment. Polyinosinic-polycytidylic acid can directly trigger cancer cells to undergo apoptosis.

FCCP is an uncoupler of oxidative phosphorylation (OXPHOS) in mitochondria. FCCP induces activation of PINK1 leading to Parkin Ser65 phosphorylation.

Etomoxir ((R)-(+)-Etomoxir) is an irreversible inhibitor of carnitine palmitoyltransferase 1a (CPT-1a), inhibits fatty acid oxidation (FAO) through CPT-1a and inhibits palmitate β-oxidation in human, rat and guinea pig.

SP600125 is an orally active, reversible, and ATP-competitive JNK inhibitor with IC₅₀s of 40, 40 and 90 nM for JNK1, JNK2 and JNK3, respectively. SP600125 is a potent ferroptosis inhibitor. SP600125 induces the transformation of bladder cancer cells from autophagy to apoptosis.

Disulfiram (Tetraethylthiuram disulfide) is a specific inhibitor of aldehyde-dehydrogenase (ALDH1), used for the treatment of chronic alcoholism by producing an acute sensitivity to alcohol. Disulfiram inhibits gasdermin D (GSDMD) pore formation in liposomes and inflammasome-mediated pyroptosis and IL-1β secretion in human and mouse cells. Disulfiram, a copper ion carrier, with Cu²⁺ increases intracellular ROS levels and induces cuproptosis.

Elesclomol (STA-4783) is a potent copper ionophore and promotes copper-dependent cell death (cuproptosis). Elesclomol specifically binds ferredoxin 1 (FDX1) α2/α3 helices and β5 strand. Elesclomol inhibits FDX1-mediated Fe-S cluster biosynthesis. Elesclomol is an oxidative stress inducer that induces cancer cell apoptosis. Elesclomol is a reactive oxygen species (ROS) inducer. Elesclomol can be used for Menkes and associated disorders of hereditary copper deficiency research.