1. Signaling Pathways
  2. Cell Cycle/DNA Damage
    Metabolic Enzyme/Protease
  3. HSP

HSP

Heat shock proteins

HSP (Heat shock proteins) are a group of proteins induced by heat shock, the most prominent members of this group are a class of functionally related proteins involved in the folding and unfolding of other proteins. HSP expression is increased when cells are exposed to elevated temperatures or other stress. This increase in expression is transcriptionally regulated. The dramatic upregulation of the heat shock proteins is a key part of the heat shock response and is induced primarily by heat shock factor (HSF). HSPs are found in virtually all living organisms, from bacteria to humans. Heat shock proteins appear to serve a significant cardiovascular role. Hsp90, Hsp84, Hsp70, Hsp27, Hsp20 and alpha B crystallin all have been reported as having roles in the cardiovasculature.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-N0830S4
    Palmitic acid-d2
    Activator 98.0%
    Palmitic acid-d2 is the deuterium labeled Palmitic acid. Palmitic acid is a long-chain saturated fatty acid commonly found in both animals and plants. Palmitic acid can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in in mouse granulosa cells.
    Palmitic acid-d<sub>2</sub>
  • HY-P10072A
    MK2-IN-5 acetate
    99.64%
    MK2-IN-5 (Hsp25 kinase inhibitor) acetate is a Mk2 pseudosubstrate (Ki= 8 μM). MK2-IN-5 acetate targets the protein interaction domain in the MAPK pathway. MK2-IN-5 acetate inhibits HSP25 and HSP27 phosphorylation.
    MK2-IN-5 acetate
  • HY-124805
    MAL3-101
    Inhibitor 98.22%
    MAL3-101 is a potent HSP70 allosteric inhibitor. MAL3-101 inhibits HSP70 ATPase activity by blocking Hsp40 co-chaperone interaction. MAL3-101 can be used for researching muscle invasive bladder cancer (MIBC).
    MAL3-101
  • HY-18399
    YM-1
    Inhibitor 99.25%
    YM-1 is a stable MKT-077 (HY-15096) analog and an orally active Hsp70 inhibitor. YM-1 induces cell death of HeLa cells and up-regulates the level of p53 and p21 proteins.
    YM-1
  • HY-145102
    NCT-58
    Inhibitor 99.63%
    NCT-58 is a potent inhibitor of C-terminal HSP90. NCT-58 does not induce the heat shock response (HSR) due to its targeting of the C-terminal region and elicits anti-tumor activity via the simultaneous downregulation of HER family members as well as inhibition of Akt phosphorylation. NCT-58 kills Trastuzumab-resistant breast cancer stem-like cells. NCT-58 induces apoptosis in HER2-positive breast cancer cells.
    NCT-58
  • HY-106443B
    Arimoclomol citrate
    Activator 99.76%
    Arimoclomol citrate (BRX-220 citrate) is an orally active co-inducer of heat shock proteins (HSP). Arimoclomol citrate protects motor neurons by enhancing Hsp expression, thus directly affecting protein aggregation and clearance of misfolded assemblies via the proteasome-ubiquitin system. Arimoclomol citrate can be used for the study of Niemann–Pick disease type C.
    Arimoclomol citrate
  • HY-N2815
    Ursolic acid acetate
    Inhibitor 98.0%
    Ursolic acid acetate (Acetylursolic acid) is a triterpenoid compound and an inhibitor of Plasmodium falciparum heat shock protein 90 (PfHsp90) with a KD of 8.16 μM. Ursolic acid acetate is cytotoxic to KB cells, with an IC50 value of 8.4 μM. Ursolic acid acetate can be used in tumor and antimalarial research.
    Ursolic acid acetate
  • HY-13301
    MPC-3100
    Inhibitor 98.36%
    MPC-3100 is an orally bioavailable, synthetic, second-generation small-molecule inhibitor of Hsp90 with potential antineoplastic activity.
    MPC-3100
  • HY-120909
    YK5
    Inhibitor 99.66%
    YK5 is a potent and selective Hsp70 inhibitor. YK5 selectively and tightly binds to the cytosolic Hsp70s in cancer cells. YK5 has biological activity partly by interfering with the formation of active oncogenic Hsp70/Hsp90/client protein complexes.
    YK5
  • HY-119046
    SNX-0723
    Inhibitor 99.12%
    SNX-0723 is a potent Hsp90 Inhibitor with anti-Plasmodium activity. SNX-0723 shows high binding affinity for HsHsp90 and PfHsp90 with Kis of 4.4 and 47 nM, respectively. SNX-0723 inhibits liver-stage P. berghei ANKA parasites with the EC50 of 3.3 μM.
    SNX-0723
  • HY-N8439
    Questiomycin A
    Degrader 99.00%
    Questiomycin A (Phx-3) is a GRP78 (cytoprotective endoplasmic reticulum chaperone) degrader and enhances the anticancer activity of Sorafenib. Questiomycin A is also an antimicrobial/antibiotic that can be obtained from the metabolite of Pseudomonas chlororaphis HT66. Questiomycin A can be used in research on biological control of cancer and plant diseases.
    Questiomycin A
  • HY-125759
    3-Phenyltoxoflavin
    Inhibitor 99.76%
    3-Phenyltoxoflavin, a derivative of Toxoflavin, is an Hsp90 inhibitor, with a Kd of 585 nM for the interaction of Hsp90-TPR2A. 3-Phenyltoxoflavin has anti-cancer activity.
    3-Phenyltoxoflavin
  • HY-100555
    CH5138303
    Inhibitor 99.05%
    CH5138303 is a potent and orally active Hsp90 inhibitor. CH5138303 shows high binding affinity for N-terminal Hsp90α, with Kd of 0.52 nM. CH5138303 shows potent anti-proliferative activity against human cancer cell lines (HCT116 and NCI-N87), with IC50 values of 0.098 and 0.066 μM, respectively. CH5138303 shows high oral bioavailability in mice (F=44.0%). CH5138303 shows potent antitumor efficacy in a human NCI-N87 gastric cancer xenograft model.
    CH5138303
  • HY-W013675
    2-Methoxyhydroquinone
    Pre-designed Set 99.57%
    2-Methoxyhydroquinone is a phenolic compound that reduces TNF-α-induced production of chemokine (C-C motif) ligand 2 (CCL2) with an IC50 value of 64.3 µM. 2-Methoxyhydroquinone is also a precursor in the synthesis of the Hsp90 inhibitor Geldanamycin (HY-15230).
    2-Methoxyhydroquinone
  • HY-152153
    GRP78-IN-3
    Inhibitor 99.88%
    GRP78-IN-3 (Compound 8) is a selective Grp78 (HSPA5) inhibitor with an IC50 of 0.59 μM. GRP78-IN-3 is 7-fold selective for HspA5 compared to HspA9 (IC50 of 4.3 μM) and >20-fold selective for HspA5 compared to HspA2 (IC50 of 13.9 μM).
    GRP78-IN-3
  • HY-N0830S10
    Palmitic acid-13C2
    Activator 99.54%
    Palmitic acid-13C2 is the 13C-labeled Palmitic acid. Palmitic acid is a long-chain saturated fatty acid commonly found in both animals and plants. Palmitic acid can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in in mouse granulosa cells.
    Palmitic acid-<sup>13</sup>C<sub>2</sub>
  • HY-P1750A
    Shepherdin (79-87) (TFA)
    Antagonist 98.83%
    Shepherdin (79-87) TFA is amino acids 79 to 87 fragment of Shepherdin. Shepherdin is a peptidomimetic antagonist of the complex between Hsp90 and Survivin. Anticancer activity.
    Shepherdin (79-87) (TFA)
  • HY-105063
    DiaPep277
    99.44%
    DiaPep277 is a 24 amino acid peptide derived from positions 437-460 in HSP60. DiaPep277 arrests the progression of β-cell destruction in NOD mice. DiaPep277 has an immune modulatory effect on diabetogenic T cells in animal models of diabetes.
    DiaPep277
  • HY-12622
    HSP70-IN-1
    Inhibitor 98.07%
    HSP70-IN-1 is a heat shock protein (HSP) inhibitor; inhibits the growth of Kasumi-1 cells with an IC50 of 2.3 μM.
    HSP70-IN-1
  • HY-144650
    Hsp90-Cdc37-IN-3
    Inhibitor 98.09%
    Hsp90-Cdc37-IN-3 (Compound 9) is a novel celastrol−imidazole derivative with anticancer activity. Hsp90-Cdc37-IN-3 inhibits Hsp90Cdc37 by covalent-binding, and induces apoptosis.
    Hsp90-Cdc37-IN-3
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