2. Signaling Pathways
  3. Cell Cycle/DNA Damage
  4. PERK

PERK

Protein kinase R-like endoplasmic reticulum kinase; PKR-like endoplasmic reticulum kinase

PERK

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Protein kinase R (PKR)-like endoplasmic reticulum kinase (PERK) is one of four known kinases that respond to cellular stress by deactivating the eukaryotic initiation factor 2 α (eIF2α) or other signal transduction cascades. PERK is highly expressed in pancreatic beta-cells and is essential in the beta-cell's development, differentiation and function.

PERK is a type I ER membrane protein containing a stress-sensing domain facing the ER lumen, a transmembrane segment, and a cytosolic kinase domain. Increase in unfolded proteins in the ER causes release of ER chaperones from the stress-sensing domain of PERK, which results in its activation via oligomerization and autophosphorylation at multiple serine, threonine, and tyrosine residues. Upon activation, PERK phosphorylates eIF2α at serine 51, rendering it an inhibitor of the ribosome translation initiation complex, consequently reducing overall protein synthesis. The reduction in translation reduces the ER burden, providing time for the cell to process or degrade the accumulated unfolded proteins to restore ER homeostasis. Although global protein synthesis is decreased, there is specific increased translation of certain mRNAs, such as ATF4, which modulate cellular survival pathways and enhance UPR function. Interfering with PERK function in cancer cells may limit their ability to thrive under hypoxia or nutrient deprived conditions and lead to apoptosis or tumor growth inhibition.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-N3121
    Pachypodol
    		Activator 99.82%
    Pachypodol is an orally active methoxyflavonoid compound. Pachypodol activates the ERK-dependent Nrf2 pathway and inhibits Apoptosis. Pachypodol exhibits activities such as antioxidant, cytoprotective, anti-inflammatory effects. Pachypodol improves cognition. Pachypodol exerts protective effects against cardiac and liver damage. Pachypodol has anticancer activity against colon cancer.
    Pachypodol
  • HY-111671
    VUBI1
    		Modulator 98.01%
    VUBI1 (SOS1 activator 1) is a benzimidazole derivative and SOS1 activator with a Kd of 44 nM. VUBI1 can significantly activate RAS-GTP and regulate the phosphorylation of ERK. VUBI1 also can serve as a target ligand for synthesizing PROTACs, such as PROTAC SOS1 degrader-1 (HY-145737), to induce SOS1 degradation. VUBI1 can be used in the study of cancer.
    VUBI1
  • HY-B1428
    2-Ethoxybenzamide
    		99.82%
    2-Ethoxybenzamide (Ethenzamide) is a nonsteroidal anti-inflammatory agent that shows analgesic and antipyretic effects. 2-Ethoxybenzamide induces melanin synthesis via cAMP response element-binding protein (CREB) phosphorylation. 2-Ethoxybenzamide can be used in the research of hypopigmentation and inflammation-related diseases.
    2-Ethoxybenzamide
  • HY-116214
    Cyprodinil
    		Inducer 99.25%
    Cyprodinil (CGA-219417) is a broad-spectrum anilinopyrimidine fungicide and an activator of the aryl hydrocarbon receptor. Cyprodinil also has anti-androgenic and androgenic activities. Cyprodinil can inhibit the biosynthesis of methionine in plant-pathogenic fungi and protect fruits and vegetables from a variety of pathogens.
    Cyprodinil
  • HY-W010451
    1,2,4-Trihydroxybenzene
    		Activator 99.12%
    1,2,4-Trihydroxybenzene (Hydroxyhydroquinone) is an ER stress inducer that targets proteins such as PKR-like ER kinase PERK to induce cytotoxicity. 1,2,4-Trihydroxybenzene selectively activates eIF2α phosphorylation, activates the PERK-eIF2α signaling pathway and induces stress granule formation. 1,2,4-Trihydroxybenzene subsequently exacerbates oxidative stress and causes DNA double-strand breaks, destroying organelles such as mitochondria and ER, and inducing cell death. 1,2,4-Trihydroxybenzene also has the potential to exhibit anti-tumor effect, increase blood pressure, and relieve spasm.
    1,2,4-Trihydroxybenzene
  • HY-156625
    Nedometinib
    		Inhibitor 98.25%
    Nedometinib (NFX-179) is a specific MEK1 inhibitor with an IC50 of 135 nM. Nedometinib inhibits p-ERK, MAPK. Nedometinib exerts anticancer activity against squamous cell carcinoma. Nedometinib can be used for research in dermatosis, neurofibromatosis.
    Nedometinib
  • HY-157231A
    HC-5404-Fu
    		Inhibitor 98.92%
    HC-5404-Fu is a PERK inhibitor with an antitumor activity. HC-5404-Fu inhibits endoplasmic reticulum stress response signalling. HC-5404-Fu sensitizes renal cell carcinoma cells to vascular endothelial growth factor (VEGF) receptor tyrosine kinase inhibitors (TKIs). HC-5404-Fu is promising for research of renal cell carcinoma, gastric cancer, metastatic breast cancer, small cell lung cancer, and other solid tumors.
    HC-5404-Fu
  • HY-158196
    PERK/eIF2α activator 1
    		Activator 98.88%
    PERK/eIF2α activator 1 (compound V8) is a flavonoid with an anti-tumor activity. PERK/eIF2α activator 1 induces apoptosis and activates the PERK-eIF2α-ATF4 pathway. PERK/eIF2α activator 1 inhibits HepG2 cell proliferation with an IC50 value of 23 μM.
    PERK/eIF2α activator 1
  • HY-N10926
    (+)-Glaucarubinone
    		Inhibitor
    (+)-Glaucarubinone is a quassinoid compound and a potent activator protein-1 (AP-1) inhibitor with an EC50 value of 0.13 µM. (+)-Glaucarubinone has anti-tumor activity and can be used in the research of tumors such as hepatocellular carcinoma.
    (+)-Glaucarubinone
  • HY-P1421
    Obestatin(human)
    		Activator 99.74%
    Obestatin(human) is a 23-amino acid amidated peptide that regulates appetite and gastrointestinal motility via its interaction with GPR39. Obestatin(human) can be used for weight loss. Obestatin(human) cannot penetrate the cell membrane.
    Obestatin(human)
  • HY-13699
    NBI-42902
    		Inhibitor 98.65%
    NBI-42902 is an orally active, potent functional and competitive antagonist of GnRH receptor with an IC50 value of 0.79 nM, a Ki value of 0.56 nM, respectively. NBI-42902 inhibits GnRH-stimulated inositol phosphate (IP) accumulation, Ca2+ flux, and ERK1/2 activation. NBI-42902 inhibits serum luteinizing hormone (LH) in castrated male macaques. NBI-42902 can be used for research on sex-hormone-related diseases.
    NBI-42902
  • HY-114978
    VU0424465
    		Agonist 99.84%
    VU0424465 is a potent and partial PAM (positive allosteric modulator)-agonist for mGlu5 mediated iCa2+ mobilization. VU0424465 exhibits high affinity at MPEP allosteric binding site, with a Ki value of 11.8 nM. VU0424465 is also a agonist for pERK1/2 in cortical neurons.
    VU0424465
  • HY-145835
    PERK-IN-5
    		Inhibitor 99.40%
    PERK-IN-5 is a highly potent, selectively and orally bioavailable PERK inhibitor (IC50s of 2 and 9 nM for PERK and p-eIF2α, respectively). PERK-IN-5 can significantly inhibit tumor growth in the 786-O renal cell carcinoma xenograft tumor model.
    PERK-IN-5
  • HY-116214R
    Cyprodinil (Standard)
    		Inducer
    Cyprodinil (Standard) (CGA-219417 (Standard)) is the analytical standard of Cyprodinil (HY-116214). This product is intended for research and analytical applications. Cyprodinil (CGA-219417) is a broad-spectrum anilinopyrimidine fungicide and an activator of the aryl hydrocarbon receptor. Cyprodinil also has anti-androgenic and androgenic activities. Cyprodinil can inhibit the biosynthesis of methionine in plant-pathogenic fungi and protect fruits and vegetables from a variety of pathogens.
    Cyprodinil (Standard)
  • HY-139612A
    (S)-JDQ-443
    		99.32%
    (S)-JDQ-443 is an isomer of JDQ-443 (HY-139612). JDQ-443 is an orally active, potent, selective, and covalent KRAS G12C inhibitor (extracted from patent WO2021120890A1). JDQ-443 shows antitumor activity.
    (S)-JDQ-443
  • HY-155068
    FC-116
    		Inhibitor 98.04%
    FC-11 is a tubulin inhibitor. FC-116 inhibits the proliferation of colorectal cancer (CRC) cells, with IC50 values of 4.52 nM for HCT116 cells and 18.69 nM for CT26 cells. FC-11 can induce ER stress to generate excess ROS, leading to mitochondrial damage, thereby promoting apoptosis in colorectal cancer (CRC) cells by targeting microtubules. FC-116 exerts potent anti-tumor effects in vivo. FC-11 can be used for the study of colorectal cancer.
    FC-116
  • HY-W060074
    1-Acetyl-β-carboline
    		Inhibitor
    1-Acetyl-β-carboline is a metabolite of Streptomyces kasugaensis and antibacterial agent. 1-Acetyl-β-carboline increases tyrosinase activity, reduces ERK phosphorylation. 1-Acetyl-β-carboline exhibits antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) strains with MICs ranging from 128 to 256 ug/mL. 1-Acetyl-β-carboline increases the melanin.
    1-Acetyl-β-carboline
  • HY-13559
    Atiprimod
    		Activator
    Atiprimod (Azaspirane) is a STAT3 inhibitor with antitumor, anti-inflammatory, and anti-angiogenic activities. Atiprimod blocks the signaling pathways of IL-6 and VEGF by inhibiting the phosphorylation of signal transducer and activator of STAT3. Atiprimod blocks the JAK-STAT signaling pathway by inhibiting the phosphorylation of JAK2 and JAK3. Atiprimod also inhibits cell proliferation, induces cell cycle arrest, and induces autophagy and apoptosis. Atiprimod triggers persistent ER stress-mediated apoptosis in breast cancer cells by activating the PERK/eIF2α/ATF4/CHOP axis and inhibiting the nuclear translocation of STAT3/NF-κB. Atiprimod shows great anti-tumor activities in tumor xenograft mouse models. Atiprimod can be used for the study of pituitary adenoma, breast cancer, multiple myeloma and acute myeloid leukemia (AML).
    Atiprimod
  • HY-P1120A
    WKYMVm TFA
    		Modulator
    WKYMVm (TFA) is a selective formylpeptide receptor 2 (FPR2) agonist. WKYMVm has a powerful anti-inflammatory effect that can reduce lung injury and spinal cord injury. WKYMVm ameliorates obesity by regulating lipid metabolism and leptin signaling. WKYMVm is involved in the regulation of immune cells by activating FPRs, and WKYMVm can promote the chemotactic migration of immune cells and inhibit the apoptosis of phagocytes. In addition, WKYMVm may play a favorable or unfavorable role in tumors, depending on the type of tumor.
    WKYMVm TFA
  • HY-P990248
    Anti-Mouse E-Cadherin/CD324 Antibody (DECMA-1)
    		Inhibitor
    Anti-Mouse E-Cadherin/CD324 Antibody (DECMA-1) is an anti-mouse E-Cadherin/CD324 IgG1 monoclonal antibody. Anti-Mouse E-Cadherin/CD324 Antibody (DECMA-1) can downregulate the HER signaling axis and PI3K/Akt/mTOR signaling pathway. Anti-Mouse E-Cadherin/CD324 Antibody (DECMA-1) can inhibit the proliferation of tumor cells and induce their apoptosis. Anti-Mouse E-Cadherin/CD324 Antibody (DECMA-1) can be used for researches on cancer and inflammation conditions such as breast cancer, chronic compression injury (CCI) and asthma.
    Anti-Mouse E-Cadherin/CD324 Antibody (DECMA-1)
Cat. No. Product Name / Synonyms Application Reactivity