paca-2

MM41 is a human telomeric and gene promoter DNA quadruplex stabilizer with an IC50 of <10 nM against the MIA PaCa-2 pancreatic cancer cell line.

Adagrasib (MRTX849) is an orally active and selective covalent inhibitor of KRAS G12C. Adagrasib binds to the GDP state of the inactive conformation of KRAS G12C and inhibits KRAS and its downstream signaling. Adagrasib exhibits inhibitory activity against KRAS G12C mutant tumors.

Royleanone possesses cytotoxic activity against the human pancreatic cancer cell line MIA PaCa-2.

Gemcitabine hydrochloride (LY 188011 hydrochloride) is a synthetic cytosine nucleoside derivative and an inhibitor of DNA synthesis. Gemcitabine has antitumor and antimetabolic activities. Gemcitabine induces autophagy and apoptosis.

LXH254 is a B/C RAF inhibitor with IC50 values of 0.2 nM and 0.07 nM for inhibiting BRAF and CRAF.

HedgehogIN-7 (Compound 8g), a purine derivative, acts as an inhibitor of the Hedgehog signaling pathway by reducing the expression of Hedgehog genes and inhibiting signal transmission. This compound exhibits significant cytotoxicity and selectivity towards Mia-PaCa-2 pancreatic cancer cells that are dependent on the Hedgehog pathway, making it useful for research in pancreatic cancer.

MEK RAF-IN-1 (Compound 16b) serves as an inhibitor targeting both MEK and RAF, demonstrating potent efficacy with IC 50 values reported at 28 nM for MEK1, and 3 nM for both BRAF and BRAFV600E. This compound exhibits significant antitumor capabilities, effectively curbing cell proliferation in vitro in MIA PaCa-2 (G12C KRAS), HCT116 (G13D KRAS), and C26 (G12D KRAS) cells. Furthermore, MEK RAF-IN-1 significantly restricts tumor growth in xenograft mouse models employed in the study of colorectal cancer.

Nic-15 (compound 4n) serves as an anti-constrictive agent targeting the low vascular characteristics of pancreatic tumors. These characteristics enable cancer cells to adapt to the nutrient-deficient tumor microenvironment and develop resistance to treatment. Nic-15 modulates the PI3K Akt mTOR pathway and alleviates ER stress induced by Gemcitabine. It significantly inhibits migration and colony formation in MIA PaCa-2 and PANC-1 pancreatic cancer cells. When used in combination with Gemcitabine, Nic-15 effectively addresses resistance issues in pancreatic tumors. In xenograft models in vivo, Nic-15 notably enhances the efficacy of Gemcitabine.

KRAS G12D inhibitor 25 (Compound 148) acts as an inhibitor for KRAS G12C and HSP90α, displaying IC50 values of <0.1 μM and 0.1-1 μM respectively. Additionally, it suppresses the proliferation of MIA PaCa-2 and NCI-H358 cell lines, with EC50 values of <0.1 μM and 0.1-1 μM correspondingly. This compound also promotes the degradation of ERBB2, exhibiting a DC50 of 0.1-1 μM.

SOS1-IN-17 (Compound 8d) is an orally active inhibitor targeting the SOS1-KRASG12C interaction, with an IC50 of 5.1 nM. It suppresses ERK phosphorylation in DLD-1 cells with an IC50 of 18 nM and demonstrates antiproliferative activity in KRASG12C-mutant Mia-Paca-2 cells, with an IC50 of 0.11 μM. In mouse models, SOS1-IN-17 shows antitumor efficacy against pancreatic cancer.

KRAS G12C inhibitor 69 (Compound K09) is an inhibitor of the mutant RAS protein KRAS G12C with an IC50 of 4.36 nM. In the cell lines NCI-H358 and MIA-PACA-2, it suppresses ERK phosphorylation with IC50 values of 12 nM and 7 nM, respectively. Additionally, KRAS G12C inhibitor 69 hinders the proliferation of NCI-H358 and MIA-PACA-2 cancer cells, with IC50 values of 3.15 nM and 2.33 nM, respectively.

Anticanceragent 264 (Compound 5w) is an anticancer compound that exhibits significant antiproliferative activity in tumor cell lines, with an IC50 range of 7.5-33.67 μM. It notably induces cell cycle arrest at the G2 M phase in MDA-MB-231, MIA PaCa-2, and DU-145 cell lines. This compound reduces key cell cycle proteins CDK1, CDK2, and Cyclin B1 in a dose-dependent manner and has strong binding activity with differentiation inhibitors and DNA-binding proteins. Anticanceragent 264 is useful for research in the cancer disease domain.

Scr-IN-1 (Compound 4e) is a tyrosine kinase inhibitor demonstrating inhibitory activity against HCT-116 and MIA-PaCa-2 cells, with IC50 values of 0.16 μM and 1.16 μM, respectively. It shows selectivity towards HCT-116 cells and MIA-PaCa-2 cells, with a selectivity index (SI) greater than 625 and 86. Scr-IN-1 induces apoptosis in HCT-116 colon cancer cells without altering the proportion of necrotic cells and is a potential novel SRC kinase inhibitor for HCT-116 cells. This compound is suitable for cancer research.

KRASG12C IN-15 (Compound 21) is an orally active KRASG12C inhibitor that effectively blocks SOS1-mediated GDP GTP exchange with an IC50 of 19 nM. It inhibits ERK phosphorylation with an IC50 of 0.051 μM and reduces the viability of KRASG12C mutant MIA PaCa-2 cells with an IC50 of 0.023 μM. Additionally, KRASG12C IN-15 demonstrates antitumor activity in a MIA PaCa-2 xenograft mouse model.

Toyaburgine is an isoquinoline compound with anti-tumor activity. It disrupts the PI3K/AKT/mTOR signaling pathway, causing significant morphological changes and cancer cell death in MIA PaCa-2 cells, while also inhibiting cell migration and colony formation. Toyaburgine shows potential for use in pancreatic cancer research.

YN14-H is a PROTAC degrader that targets KRASG12C. It effectively inhibits the growth of NCI-H358 and MIA PaCa-2 cells, with IC50 values of 0.042 μM and 0.021 μM, respectively, and DC50 values of 28.9 nM and 18.1 nM. YN14-H significantly induces apoptosis and suppresses cell migration. It demonstrates favorable pharmacokinetics and excellent in vivo antitumor activity.

JR5-26B is an orally active apoptosis (apoptosis) inducer. It induces cell death via copper-mediated apoptosis and necroptosis (necroptosis). JR5-26B exhibits antiproliferative activity against MIA PaCa-2, PANC-1, PAN02, SU.86.86, and KPC-2 cells, with IC50 values of 0.6, 4.4, 8.0, 1.1, and 3.4 μM, respectively.

TW9 is a dual inhibitor of bromodomain 2 (BD2) in bromodomain-containing protein 4 (BRD4) and histone deacetylase 1 (HDAC1; IC50s = 0.074 and 0.29 μM, respectively).1It is selective for BD2 over BD1 in BRD4 (IC50= 0.72 μM) and for HDAC1 over HDAC2 (IC50= 2.5 μM). TW9 (50 nM) induces apoptosis in, and inhibits proliferation of, MIA PaCa-2 pancreatic cancer cells. It induces cell cycle arrest at the G1phase in HPAC pancreatic cancer cells when used at a concentration of 2 μM. TW9 acts synergistically with gemcitabine to reduce the viability of HPAC cells. 1.Zhang, X., Zegar, T., Weiser, T., et al.Characterization of a dual BET HDAC inhibitor for treatment of pancreatic ductal adenocarcinomaInt. J. Cancer147(10)2847-2861(2020)

Malformin A is a cyclopentapeptide fungal metabolite that has been found in A. niger and has diverse biological activities. It is a plant growth regulator that induces malformations in plant structure. Malformin A inhibits replication of tobacco mosaic virus (TMV) in local lesion and leaf-disc assays (IC50s = 19.7 and 45.4 μg/ml, respectively). It is cytotoxic to NCI-H460, MIA PaCa-2, MCF-7, SF-268, and WI-38 cancer cells (IC50s = 70, 50, 100, 70, and 100 nM, respectively), inhibits proliferation of PC3 and LNCaP cells (IC50s = 130 and 90 nM, respectively), and induces apoptosis and necrosis in PC3 and LNCaP cells. Malformin A also increases the accumulation of reactive oxygen species, decreases the mitochondrial membrane potential, and induces autophagy in PC3 and LNCaP cells. It is toxic to mice when administered intraperitoneally (LD50 = 3.1 mg/kg) but not orally up to doses of 50 mg/kg.

QD-394 is an inducer of reactive oxygen species (ROS) production.1It induces lipid peroxidation, increases in intracellular accumulation of reactive oxygen species (ROS), and decreases in the reduced glutathione (GSH) to oxidized GSH (GSSG) ratio in MIA PaCa-2 pancreatic cancer cells when used at concentrations ranging from 0.5 to 10 μM. QD-394 is cytotoxic to MIA PaCa-2, PANC-1, and BxPC-3 cancer cells (IC50s = 0.64, 0.34, and 0.9 μM, respectively). QD-394 acts synergistically with napabucasin to reduce colony formation in MIA PaCa-2 cells. 1.Hu, S., Sechi, M., Singh, P.K., et al.A novel redox modulator induces a GPX4-mediated cell death that is dependent on iron and reactive oxygen speciesJ. Med. Chem.63(17)9838-9855(2020)

NO-indomethacin is a hybrid molecule of indomethacin and a nitric oxide (NO) donor. This drug design combines the anti-inflammatory properties of a non-steroidal anti-inflammatory drug (NSAID) with the gastrointestinal protective effects of NO. Compounds of this class retain their anti-inflammatory and analgesic activity, but have reduced gastrointestinal and kidney toxicity compared to the NSAID alone. NO-indomethacin also enhances the cancer chemopreventative activity of indomethacin. NO-indomethacin exhibits an IC50 of 82 μM, compared to >1,000 μM for indomethacin alone, for the inhibition of pancreatic cancer cell (PaCa-2) growth after 24 hours in culture.

1-Alaninechalmydocin is a fungal metabolite originally isolated from a Great Lakes-derived Tolypocladium sp. and an inhibitor of histone deacetylases (HDACs). It reduces total HDAC activity in HeLa cell lysates in a concentration-dependent manner. 1-Alaninechlamydocin reduces proliferation of MIA PaCa-2, PANC-1, and hTERT-HPNE cells (GI50s = 5.3, 14, and 2.0 nM, respectively).

Nemorosone is a polycyclic polyprenylated acylphloroglucinol (PPAP) originally isolated from C. rosea that has antiproliferative properties.1 Nemorosone inhibits growth of NB69, Kelly, SK-N-AS, and LAN-1 neuroblastoma cells (IC50s = 3.1-6.3 μM), including several drug-resistant clones, but not MRC-5 human embryonic fibroblasts (IC50 = >40 μM).2 It increases DNA fragmentation in LAN-1 cells in a dose-dependent manner, and decreases N-Myc protein levels and phosphorylation of ERK1/2 by MEK1/2. Nemorosone also inhibits growth of Capan-1, AsPC-1, and MIA-PaCa-2 pancreatic cancer cells (IC50s = 4.5-5.0 μM following a 72-hour treatment) but not human dermal and foreskin fibroblasts (IC50s = >35 μM).1 It induces apoptosis, abolishes the mitochondrial membrane potential, and increases cytosolic calcium concentration in pancreatic cancer cells in a dose-dependent manner. Nemorosone activates the caspase cascade in a dose-dependent manner and inhibits cell cycle progression, increasing the proportion of cells in the G0/G1 phase, in both neuroblastoma and pancreatic cancer cells.1,2 Nemorosone (50 mg/kg, i.p., per day) also reduces tumor growth in an MIA-PaCa-2 mouse xenograft model.3References1. Holtrup, F., Bauer, A., Fellenberg, K., et al. Microarray analysis of nemorosone-induced cytotoxic effects on pancreatic cancer cells reveals activation of the unfolded protein response (UPR). Br. J. Pharmacol. 162(5), 1045-1059 (2011).2. Díaz-Carballo, D., Malak, S., Bardenheuer, W., et al. Cytotoxic activity of nemorosone in neuroblastoma cells. J. Cell. Mol. Med. 12(6B), 2598-2608 (2008).3. Wold, R.J., Hilger, R.A., Hoheisel, J.D., et al. In vivo activity and pharmacokinetics of nemorosone on pancreatic cancer xenografts. PLoS One 8(9), e74555 (2013). Nemorosone is a polycyclic polyprenylated acylphloroglucinol (PPAP) originally isolated from C. rosea that has antiproliferative properties.1 Nemorosone inhibits growth of NB69, Kelly, SK-N-AS, and LAN-1 neuroblastoma cells (IC50s = 3.1-6.3 μM), including several drug-resistant clones, but not MRC-5 human embryonic fibroblasts (IC50 = >40 μM).2 It increases DNA fragmentation in LAN-1 cells in a dose-dependent manner, and decreases N-Myc protein levels and phosphorylation of ERK1/2 by MEK1/2. Nemorosone also inhibits growth of Capan-1, AsPC-1, and MIA-PaCa-2 pancreatic cancer cells (IC50s = 4.5-5.0 μM following a 72-hour treatment) but not human dermal and foreskin fibroblasts (IC50s = >35 μM).1 It induces apoptosis, abolishes the mitochondrial membrane potential, and increases cytosolic calcium concentration in pancreatic cancer cells in a dose-dependent manner. Nemorosone activates the caspase cascade in a dose-dependent manner and inhibits cell cycle progression, increasing the proportion of cells in the G0/G1 phase, in both neuroblastoma and pancreatic cancer cells.1,2 Nemorosone (50 mg/kg, i.p., per day) also reduces tumor growth in an MIA-PaCa-2 mouse xenograft model.3 References1. Holtrup, F., Bauer, A., Fellenberg, K., et al. Microarray analysis of nemorosone-induced cytotoxic effects on pancreatic cancer cells reveals activation of the unfolded protein response (UPR). Br. J. Pharmacol. 162(5), 1045-1059 (2011).2. Díaz-Carballo, D., Malak, S., Bardenheuer, W., et al. Cytotoxic activity of nemorosone in neuroblastoma cells. J. Cell. Mol. Med. 12(6B), 2598-2608 (2008).3. Wold, R.J., Hilger, R.A., Hoheisel, J.D., et al. In vivo activity and pharmacokinetics of nemorosone on pancreatic cancer xenografts. PLoS One 8(9), e74555 (2013).

BN82002 (CDC25 Phosphatase Inhibitor I) is a synthetic inhibitor of CDC25 phophatases