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.

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

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

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

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.

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.

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.

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.

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

Delphinidin-3-O-galactoside chloride has anti-obesity and hypolipidemic effects. Delphinidin-3-O-galactoside (D3G) is a water-soluble anthocyanin with antioxidant activity. D3G is capable of masking the EGCG-induced cytotoxicity and ER stress, presumably

(E)-2-(2-Chlorostyryl)-3,5,6-trimethylpyrazine (CSTMP) is a stilbene derivative with antioxidant and anticancer activities. It stimulates proliferation of hydrogen peroxide-damaged ECV-304 cells (EC50 = 24.9 nM). CSTMP reduces hydrogen peroxide-induced release of lactate dehydrogenase (LDH) in and increases viability of human umbilical vein endothelial cells (HUVECs) in a concentration-dependent manner via inhibition of apoptosis. It reverses hydrogen peroxide-induced release of malondialdehyde (MDA) and decreases in superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activities as well as increases constitutive nitric oxide synthase (cNOS) activity and nitric oxide (NO) production in HUVECs. CSTMP also induces cell death of A549 non-small cell lung cancer (NSCLC) cells in an IRE1α-dependent manner through induction of IRE1α-TRAF2-ASK1 complex-mediated endoplasmic reticulum (ER) stress and mitochondrial apoptosis.

Cristacarpin exhibits moderate but selective activity towards DNA repair-deficient yeast mutants. It promotes endoplasmic reticulum (ER) stress, leading to sub-lethal reactive oxygen species (ROS) generation and which eventually terminates by triggering s

Demethylcantharidate disodium, an endogenous metabolite, demonstrates significant anticancer efficacy against various cancers by inducing apoptosis in hepatocellular carcinoma cells through endoplasmic reticulum (ER) stress [1].

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.

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.

IRE1α kinase-IN-1 is a highly selective IRE1α (ERN1) inhibitor, with an IC50 of 77 nM, displaying 100-fold selectivity over the IRE1β isoform. It inhibits ER stress-induced IRE1α oligomerization and autophosphorylation, as well as IRE1α RNase activity (IC50=80 nM).

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.

CD31, also known as platelet endothelial cell adhesion molecule-1 (PECAM-1), is a receptor on endothelial cells for clostridium perfringens beta-Toxin (CPB). It also functions as an ER-MP12 antigen and connects mechanical stress, metabolism, and inflammation. The CD31 peptide promotes phosphorylation of CD31 ITIM 686 and SHP2, thereby inhibiting TCR-induced T-cell activation [1]-[5].

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.

Timosaponin AIII (Timosaponin A3) induces autophagy in HeLa cells followed by apoptotic cell death (IC50: 10 μM). The Timosaponin AIII cellular response is mediated via inhibition of mTORC1 and induction of ER stress (IC50: 2.5 μM, BT474 cells; 6 μM, MDAMB231). The Timosaponin AIII pro-apoptotic response is selective for tumor cells over normal cells but autophagy is induced in both.

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.

KUS121 is a valosin-containing protein (VCP) modulator that inhibits VCP ATPase activity (IC50= 330 nM).1It inhibits cell death, ATP depletion, and upregulation of C/EBP-homologous protein (CHOP) induced by tunicamycin, an inducer of ER stress, in HeLa cells when used at concentrations of 20, 50, and 50 μM, respectively. KUS121 (100 μM) inhibits ATP depletion and cell death induced by oxygen-glucose deprivation (OGD) in rat primary cortical neurons in anin vitromodel of cerebral ischemia.2It reduces infarction volume and increases the latency to fall in an accelerating rotarod test in a mouse model of focal cerebral ischemia induced by transient distal middle cerebral artery occlusion (MCAO) when administered at a dose of 100 mg/kg immediately following occlusion and again at 50 mg/kg following reperfusion. KUS121 (50 mg/kg) inhibits thinning of the retinal outer nuclear layer and preserves visual function in an rd10 mouse model of retinitis pigmentosa.1 1.Ikeda, H.O., Sasaoka, N., Koike, M., et al.Novel VCP modulators mitigate major pathologies of rd10, a mouse model of retinitis pigmentosaSci. Rep.45970(2014) 2.Kinoshita, H., Maki, T., Yasuda, K., et al.KUS121, a valosin-containing protein modulator, attenuates ischemic stroke via preventing ATP depletionSci. Rep.9(1)11519(2019)