er stress

PR-619 (2,6-Diamino-3,5-dithiocyanopyridine) is a DUB inhibitor that inhibits USP2 4 5 7 8 (EC50=7.2 3.93 8.61 6.86 4.9 μM). PR-619 induces endoplasmic reticulum stress and activates autophagy.

RH01386 is a small molecule that prevents ER stress-induced β cell dysfunction and death, inhibits proapoptotic gene expression, and restores ER stress-impaired glucose-stimulated insulin secretion responses, showing potential for type 2 diabetes treatment.

TASIN-1 Hydrochloride (TASIN-1 HCl) is a selective inhibitor of truncated APC that acts by selectively killing colorectal cancer cells that express truncated APC by reducing cellular cholesterol levels and inducing apoptotic cell death through the ER stress ROS JNK signaling in colon cancer cells.

Pranoprofen (Pyranoprofen) (INN) is a non-steroidal anti-inflammatory drug used in ophthalmology.

α-Lipoic Acid (Alphalipoic acid) inhibits NF-κB-dependent HIV-1 LTR activation. α-Lipoic Acid induces endoplasmic reticulum (ER) stress-mediated apoptosis in hepatoma cells.α-Lipoic Acid is an antioxidant, which is an essential cofactor of mitochondrial enzyme complexes.

Lycorine (Narcissine) inhibits protein synthesis and may inhibit ascorbic acid biosynthesis, although studies on the latter are controversial and inconclusive.

Tauroursodeoxycholate sodium (TUDC) is an endoplasmic reticulum (ER) stress inhibitor, used for the treatment of gallstones and liver cirrhosis.

Ceapin-A7, with an IC50 of 0.59 μM, selectively inhibits ATF6α signaling in response to ER stress. This compound is instrumental in investigating ATF6α's activation mechanism and its function in pathological conditions.

Nur77 modulator 1 is an effective Nur77 binder (KD = 3.58 μM) that up-regulates Nur77 expression, mediates its sub-cellular localization, induces Nur77-dependent ER stress and autophagy, and leads to cell apoptosis, demonstrating anti-hepatoma activity.

YUM70 is a potent and selective inhibitor of glucose-regulated protein 78 (GRP78), with an IC50 of 1.5 μM for inhibiting GRP78 ATPase activity of the full-length protein. It induces endoplasmic reticulum (ER) stress-mediated apoptosis in pancreatic cancer.

RH01687 is a potent β-cell protector , exhibits β-cell-protective activities against endoplasmic reticulum (ER) stress.

TTA-Q6, a selective T-type Ca2+ channel antagonist, exhibits potential antitumor and immunomodulatory activities for treating neurological disorders by inhibiting the uptake of extracellular calcium ions by tumor cells, thereby inducing intracellular calcium deficiency and endoplasmic reticulum (ER) stress.

ABTL-0812 induces endoplasmic reticulum (ER) stress-mediated autophagy, and with anti-cancer activity.

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.

DWP-05195 is a TRPV1 antagonist capable of inhibiting pain signal transduction. Additionally, it induces ER stress-dependent apoptosis in human ovarian cancer cells via the ROS-p38-CHOP pathway.

KM04794 is a small molecule compound with chaperone-like functions that alleviates ER stress. This compound effectively prevents protein aggregation and cell death caused by ER stressors and mutant insulin proteins.

FA4-Cu is a compound formed from the effective pancreatic cancer inhibitor FA4 and Cu(II), which can induce apoptosis by triggering ER and mitochondrial stress.

PSP205 is an effective anticancer agent with cytotoxic properties. It induces apoptosis and triggers autophagy mediated by ER stress. Furthermore, PSP205 enhances the expression of LC3BII protein and increases the expression of CHOP and spliced XBP1 at both mRNA and protein levels.

3-AP-Me is the dimethyl derivative of the ribonucleotide reductase inhibitor 3-AP (SML0568). It activates the endoplasmic reticulum (ER) stress pathway by promoting eIF2α phosphorylation and upregulating gene expression of transcription factors ATF4 and ATF6, thereby inducing apoptosis. Additionally, 3-AP-Me activates cellular stress kinases c-Jun N-terminal kinase (JNK) and p38 mitogen-activated protein kinase, leading to the upregulation of spliced mRNA variant XBP1. It is applicable in cancer research.

Nur77 modulator 4 (Compound 15h) is a Nur77 inducer with a KD of 0.477 μM. It significantly promotes Nur77 expression and apoptosis, exhibiting excellent growth inhibitory effects on HepG2 and MCF-7 cells, with an IC50 of less than 5 μM. Nur77 modulator 4 activates Nur77-mediated ER stress through the PERK-ATF4 and IRE1 signaling pathways, leading to apoptosis. This compound is applicable in cancer research.

PPIA-IN-1 (Compound 20b) is an inhibitor of peptidyl-prolyl isomerase A (PPIA) with a KD of 0.52 μM. It demonstrates antiproliferative activity across various cancer cell lines, including an IC50 of 0.69 μM in HCT116 cells, induces cell cycle arrest at the G0 G1 phase, and exhibits antimetastatic effects in HCT116 cells. PPIA-IN-1 elevates ROS levels, causing DNA damage, ER stress, and mitochondrial dysfunction, and induces apoptosis in HCT116 cells via the MAPK pathway. Additionally, PPIA-IN-1 shows antitumor activity in a CT26 xenograft mouse model.

NE-100 hydrochloride (NE-100 HCl) is a potent and selective antagonist of σ1 (IC50 = 4.16 nM) with antipsychotic activity. NE100 HCl also suppresses ER stress-induced hippocampal cell death.

Narasin (sodium salt) (HainanMycin) induces tumor necrosis factor-related apoptosis-induced ligand (TRAIL)-mediated apoptosis by ER stress in glioma cells and inhibits NF-κB signaling by suppressing the phosphorylation of IκBα.

Cefatrizine is an inhibitor of eukaryotic elongation factor-2 kinase, a unique calcium/calmodulin-dependent protein kinase, is well known to regulate apoptosis, autophagy and ER stress in many types of human cancers.