1. Signaling Pathways
  2. Autophagy
  3. Autophagy

Autophagy

Autophagy is a conserved cellular degradation and recycling process in the lysosome. In mammalian cells, there are three primary types of autophagy: microautophagy, macroautophagy, and chaperone-mediated autophagy (CMA). Microphagy captures cargoes by means of invaginations or protrusions of the lysosomal membrane directly, CMA uses chaperones to identify cargo proteins and then unfolds and transfers them into the lysosomal, while macroautophagy sequesters cargo by autophagosomes-de novo synthesized of double-membrane vesicles-and subsequently transport it to the lysosome.

Macroautophagy is the best studied and it occurs at a low level constitutively and can also be further induced under stress conditions, such as nutrient or energy starvation with a salient feature of autophagy protein degradation. Stress-induced macrophagy plays an important role in protein catabolism with another key protein degradation pathway, the ubiquitin–proteasome system (UPS).

As the study progressed, autophagy gains its importance under basal, nutrient-rich conditions, and is now recognized as a critical housekeeping pathway in catabolism of diverse cellular constituents, such as protein aggregates (aggrephagy), lipid droplets (lipophagy), iron complex (Ferritinophagy) and carbohydrate. Except for macromolecules, autophagy can also target several organelles and structures, such as mitochondria (mitophagy), peroxisome (pexophagy), endoplasmic reticulum (reticulophagy or ER-phagy), ribosome (ribophagy), spermatozoon-inherited organelles following fertilization (allophagy), secretory granules within pancreatic cells (zymophagy) and intracellular pathogens (xenophagy).

Autophagy and its dysfunction are associated with a variety of human pathologies, including ageing, cancer, neurodegenerative disease, heart disease and metabolic diseases, such as diabetes. Plenty of drugs and natural products are involved in autophagy modulation through multiple signaling pathways. Small molecules that can regulate autophagy seem to have great potential to intervene such diseases in animal models or clinical courses.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-N0384S2
    Homovanillic acid-d5
    99.0%
    Homovanillic acid-d5 (Vanilacetic acid-d5) is the deuterium labeled Homovanillic acid (HY-N0384). Homovanillic acid (Vanilacetic acid) is a dopamine metabolite found to be associated with aromatic L-amino acid decarboxylase deficiency, celiac disease, growth hormone deficiency, and sepiapterin reductase deficiency.
    Homovanillic acid-d<sub>5</sub>
  • HY-13423
    Tenovin-1
    Inhibitor 99.88%
    Tenovin-1, a p53 activator, protects p53 from MDM2-mediated degradation. Tenovin-1 acts through inhibition of the protein-deacetylating activities of SirT1 and SirT2. Tenovin-1 is also a dihydroorotate dehydrogenase (DHODH) inhibitor.
    Tenovin-1
  • HY-13683R
    Mifepristone (Standard)
    Inducer
    Mifepristone (Standard) is the analytical standard of Mifepristone. This product is intended for research and analytical applications. Mifepristone (RU486) is a progesterone receptor (PR) and glucocorticoid receptor (GR) antagonist with IC50s of 0.2 nM and 2.6 nM in in vitro assay.
    Mifepristone (Standard)
  • HY-N10546
    Ganglioside GM1
    Inhibitor 99.0%
    Ganglioside GM1 is a type of glycosphingolipid, mainly found on the cell membranes of the central nervous system of vertebrates. Ganglioside GM1 exerts neuroprotective effects by reducing excessive activation of NMDAR, activating TrkA and ERK1/2, and inhibiting oxidative stress and cell apoptosis and autophagy. Ganglioside GM1 can be used in the research of diseases such as traumatic brain injury, Parkinson's disease, Alzheimer's disease, and Huntington's disease.
    Ganglioside GM1
  • HY-155994
    PIK5-12d
    Inhibitor 99.15%
    PIK5-12d is a PROTAC PIKfyve degrader (DC50 = 1.48 nM). PIK5-12d induces massive cytoplasmic vacuolization and blocks autophagic flux in multiple prostate cancer cells. PIK5-12d inhibits prostate cancer cell proliferation. PIK5-12d significantly suppresses tumor proliferation in mice bearing LTL-331R human prostate cancer PDX tumors. PIK5-12d can be used for the study of prostate cancer.
    PIK5-12d
  • HY-NP132A
    Recombinant humanized type III collagen (MW 55900)
    Inhibitor
    Recombinant humanized type III collagen (MW 55900) is a type III collagen with a molecular weight of 55900 Da. Recombinant humanized type III collagen has various biological functions, such as promoting skin extracellular matrix regeneration and improving the cell microenvironment. Recombinant humanized type III collagen inhibits the proliferation, migration, and invasion of breast cancer cells. Type III collagen functions in cell adhesion, migration, proliferation and differentiation through its interaction with integrins.
    Recombinant humanized type III collagen (MW 55900)
  • HY-10404
    Dilmapimod
    99.56%
    Dilmapimod (SB-681323) is a potent p38 MAPK inhibitor that potentially suppresses inflammation in chronic obstructive pulmonary disease.
    Dilmapimod
  • HY-18071
    BI-9627
    99.71%
    BI-9627, a chemical probe, is a potent sodium-hydrogen exchanger isoform 1 (NHE1) inhibitor (IC50 = 6 and 31 nM in intracellular pH recovery (pHi) and human platelet swelling assays). BI-9627 displays >30-fold selectivity against NHE2 and with no measurable inhibitory activity against the NHE3 isoform. BI-9627 decreases autophagy in HTR-8/SVneo cells. BI-9627 can significantly reduce the pHi of human sperm and partially reverse the effect of DMA. BI-9627 prolongs Ca2+ recovery time in KO hiPSC-CMs. BI-9627 shows low DDI (agent-agent interaction) potential, excellent pharmacokinetics in rat and dog, and remarkably potent activity in the isolated heart model of ischemia-reperfusion injury.
    BI-9627
  • HY-P1029
    MLCK inhibitor peptide 18
    98.04%
    MLCK inhibitor peptide 18 is a myosin light chain kinase (MLCK) inhibitor with an IC50 of 50 nM, and inhibits CaM kinase II only at 4000-fold higher concentrations.
    MLCK inhibitor peptide 18
  • HY-B0075S1
    Melatonin-d3
    Inhibitor 99.15%
    Melatonin-d3 is the deuterium labeled Melatonin. Melatonin is a hormone made by the pineal gland that can activates melatonin receptor. Melatonin plays a role in sleep and possesses important antioxidative and anti-inflammatory properties. Melatonin is a novel selective ATF-6 inhibitor and induces human hepatoma cell apoptosis through COX-2 downregulation. Melatonin attenuates palmitic acid-induced (HY-N0830) mouse granulosa cells apoptosis via endoplasmic reticulum stress.
    Melatonin-d<sub>3</sub>
  • HY-N0107
    Cyclovirobuxine D
    Inducer 99.70%
    Cyclovirobuxine D (CVB-D) is the main active component of the traditional Chinese medicine Buxus microphylla. Cyclovirobuxine D induces autophagy and attenuates the phosphorylation of Akt and mTOR. Cyclovirobuxine D inhibits cell proliferation of gastric cancer cells through suppression of cell cycle progression and inducement of mitochondria-mediated apoptosis. Cyclovirobuxine D is beneficial for heart failure induced by myocardial infarction.
    Cyclovirobuxine D
  • HY-17506A
    Azithromycin hydrate
    Inhibitor 98.0%
    Azithromycin hydrate is a macrolide antibiotic useful for the treatment of a number of bacterial infections.
    Azithromycin hydrate
  • HY-50856R
    Ruxolitinib (Standard)
    Inducer
    Ruxolitinib (Standard) is the analytical standard of Ruxolitinib. This product is intended for research and analytical applications. Ruxolitinib (INCB18424) is a potent 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.
    Ruxolitinib (Standard)
  • HY-13629R
    Etoposide (Standard)
    Inducer
    Etoposide (Standard) is the analytical standard of Etoposide. This product is intended for research and analytical applications. Etoposide (VP-16; VP-16-213) is an anti-cancer chemotherapy agent. Etoposide inhibits topoisomerase II, thus stopping DNA replication. Etoposide induces cell cycle arrest, apoptosis and autophagy.
    Etoposide (Standard)
  • HY-13308
    Regorafenib Hydrochloride
    Inducer 99.58%
    Regorafenib Hydrochloride (BAY 73-4506 hydrochloride) is a multi-target inhibitor for VEGFR1/2/3, PDGFRβ, Kit, RET and Raf-1 with IC50s of 13/4.2/46, 22, 7, 1.5 and 2.5 nM, respectively.
    Regorafenib Hydrochloride
  • HY-100115
    TA-02
    99.85%
    TA-02, an analog of SB 203580 (HY-10256), is a p38 MAPK inhibitor with an IC50 of 20 nM. TA-02 especially inhibits TGFBR-2. TA-02 exhibits similar cardiogenic properties as SB 203580 and SB 202190 (HY-10295).
    TA-02
  • HY-16586
    PFI-1
    Inducer 99.87%
    PFI-1, a chemical probe, is a selective BET (bromodomain-containing protein) inhibitor for BRD4 with IC50 of 0.22 μM in a cell-free assay.
    PFI-1
  • HY-10410
    TG101209
    Inducer 98.81%
    TG101209 is a selective JAK2 inhibitor with IC50 of 6 nM, less potent to Flt3 and RET with IC50 of 25 nM and 17 nM, appr 30-fold selective for JAK2 than JAK3, and sensitive to JAK2V617F and MPLW515L/K mutations.
    TG101209
  • HY-P1723
    Spexin
    Inhibitor 99.12%
    Spexin (Neuropeptide Q) is a selective agonist of galanin receptors GAL2 and GAL3, and is a conserved peptide that functions as a neurotransmitter/neuromodulator and endocrine factor. Spexin can function through both central and peripheral actions. Spexin upregulates Beclin 1 to inhibit ferroptosis induced by excessive autophagy, reduces the uptake of long-chain fatty acids by adipocytes, and regulates energy metabolism by increasing lipid oxidation (e.g., reducing the respiratory exchange ratio in rodents). Spexin improves cardiac function in the Doxorubicin hydrochloride (HY-15142)-induced cardiotoxicity model, protects mitochondrial membrane potential, and reduces iron accumulation and lipid peroxidation. Spexin can be used to study obesity and its related metabolic disorders, cardiovascular diseases (e.g., cardioprotection), and side effects of tumor chemotherapy.
    Spexin
  • HY-12703
    KSI-3716
    98.94%
    KSI-3716 is a potent c-Myc inhibitor that blocks c-MYC/MAX binding to target gene promoters. KSI-3716 is an effective intravesical chemotherapy agent for bladder cancer.
    KSI-3716
Cat. No. Product Name / Synonyms Application Reactivity