Epigenetics

Epigenetics research delves into the molecular mechanisms that control gene expression and cellular traits without altering the underlying DNA sequence. One crucial aspect of this field is the role of small molecules, which act as powerful regulators of epigenetic modifications. These small compounds, typically comprising a few dozen to a few hundred atoms, have emerged as essential tools in understanding and manipulating the epigenome.

  • DNA Methylation Inhibitors: Small molecules like 5-azacytidine and 5-aza-2'-deoxycytidine are DNA methyltransferase inhibitors. They block the addition of methyl groups to DNA, leading to DNA demethylation. This can reactivate silenced genes, potentially offering therapeutic avenues for conditions like cancer.
  • HDAC inhibitors: HDACs remove acetyl groups from histone proteins, contributing to gene repression. Small molecule HDAC inhibitors, such as Vorinostat and Romidepsin, can reverse this process by increasing histone acetylation, allowing genes to be more accessible for transcription. These inhibitors are being explored for cancer therapy and other conditions.
  • Histone Methyltransferase Inhibitors: Small molecules like GSK126 inhibit specific histone methyltransferases, affecting histone methylation patterns. This can alter gene expression, making them promising candidates for cancer and other diseases with epigenetic dysregulation.
  • RNA Modulators: Small molecules can also target non-coding RNAs involved in epigenetic regulation. For instance, small molecules called small interfering RNAs (siRNAs) can be designed to target and degrade specific long non-coding RNAs, influencing gene expression.
  • Epigenetic Reader Domain Inhibitors: These small molecules target proteins that recognize and bind to specific epigenetic marks. Examples include inhibitors of bromodomain-containing proteins (BET inhibitors), which can disrupt gene regulation by interfering with protein-DNA interactions.

Small molecules in epigenetics research not only provide insights into the fundamental biology of gene regulation but also hold immense promise for developing novel therapeutics. Their ability to selectively modulate specific epigenetic marks and pathways has led to ongoing clinical trials and drug development efforts for various diseases, including cancer, neurological disorders, and inflammatory conditions. Understanding and harnessing the power of these small molecules is at the forefront of modern epigenetics research, offering new hope for precision medicine and targeted therapies.


3 key components involved in the regulation of epigenetic modifications

Epigenetics Writer

Epigenetics writers are enzymes responsible for adding chemical marks or modifications to DNA or histone proteins. These marks include DNA methylation (addition of methyl groups to DNA) and histone modifications (such as acetylation, methylation, phosphorylation, etc.).

Epigenetics Reader

Function: Epigenetics readers are proteins that can recognize and bind to specific epigenetic marks on DNA or histones. These reader proteins interpret the epigenetic code and facilitate downstream cellular processes, such as gene activation or repression.

Epigenetics Eraser

Function: Epigenetics erasers are enzymes responsible for removing or reversing epigenetic marks on DNA or histones. This process allows for the dynamic regulation of gene expression and the resetting of epigenetic states during various stages of development and in response to environmental changes.

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Catalog No.
Product Name
Application
Product Information
Product Citation
  1. Aurora/JAK inhibitor

    AT9283 inhibits aurora kinase A and B and targets other tyrosine and serine/threonine kinases associated with myeloid cell proliferation.
  2. FLT3/FGFR/Bcr-Abl/Aurora Inhibitor

    KW-2449 is a multikinase inhibitor of FLT3, ABL, ABL-T315I, and Aurora kinase.
  3. Aurora inhibitor

    Danusertib (PHA-739358) is an Aurora kinase inhibitor for Aurora A/B/C with IC50 of 13 nM/79 nM/61 nM in cell-free assays, modestly potent to Abl, TrkA, c-RET and FGFR1, and less potent to Lck, VEGFR2/3, c-Kit, CDK2, etc. Phase 2
  4. multi-kinase inhibitor

    Cenisertib (AS-703569) is a multi-kinase inhibitor that blocks the activity of Aurora-kinase-A/B, ABL1, AKT, STAT5 and FLT3.
  5. IGF-1R, Aurora, FGFR, ABL, SRC inhibitor

    XL228 is a protein kinase inhibitor targeting IGF1R, the AURORA kinases, FGFR1-3, ABL and SRC family kinases. XL228 is an Aurora A inhibitor (IC50, f3 nmol/L) that has shown potent biochemical activity against ABL1 (Ki, 5 nmol/L), as well as the BCR-ABL1 T315I (Ki, 1.4 nmol/L) kinases.
  6. BCR-ABL inhibitor

    AP24534 (Ponatinib) is a potent multi-kinase and pan-BCR-ABL inhibitor.
  7. Src/Abl inhibitor

    Saracatinib (AZD0530) is a highly selective, orally available, dual-specific Src/Abl kinase inhibitor with IC50 of 2.7 and 30 nM for c-Src and Abl kinase, respectively.
  8. Bcr-Abl inhibitor

    Bafetinib ((INNO-406) is a dual Bcr-Abl/Lyn tyrosine kinase inhibitor for the potential treatment of leukemia.
  9. PDGFR inhibitor

    Imatinib (Gleevec) is a number of tyrosine kinase enzymes specific inhibitor.
  10. Abl-Src inhibitor

    Dasatinib (BMS-354825) is an oral multi- BCR/ABL and Src family tyrosine kinase inhibitor. The main targets of dasatinib, are BCR/ABL, Src, c-Kit, ephrin receptors, and several other tyrosine kinases, but not erbB kinases such as EGFR or Her2.
  11. Bcr-Abl inhibitor

    Imatinib mesylate, a selective tyrosine kinase inhibitor, induced a sustained objective response in treating gastrointestinal stromal tumors with the inhibition of the KIT signal-transduction pathway.
  12. Bcr-Abl inhibitor

    Nilotinib is a Bcr-Abl inhibitor with IC50 less than 30 nM.
  13. EphB4 inhibitor

    NVP-BHG712 is a selective inhibitor of EphB4 kinase that exhibits selectivity for EphB4 over more than 40 other kinases in vitro, including FGFR3.
  14. DUB/Bcr/ABL Inhibitor

    WP1130 (Degrasyn) is a novel selective small molecular deubiquitinase inhibitor and a Bcr/Abl destruction pathway activator that specifically and rapidly down-regulates both wild-type and mutant Bcr/Abl protein without affecting bcr/abl gene expression in chronic myelogenous leukemia (CML) cells.
  15. Bcr-Abl inhibitor

    DCC-2036 is an orally bioavailable small-molecule inhibitor of multiple tyrosine kinases with potential antineoplastic activity.

  16. PI3K Inhibitor

    PP121 is a dual inhibitor of receptor tyrosine kinases (RTKs) (IC50 < 0.02 μM for Abl, Src, VEGFR-2 and PDGFR) and PI 3-K family kinases (IC50 < 0.06 μM for p110α, DNA-PK and mTOR).
  17. c-ABL activitor

    DPH is a c-ABL activitor.
  18. Bcr-Abl inhibitor

    GNF 2 is a Bcr-abl inhibitor that inhibits proliferation and induces apoptosis in Bcr-abl-expressing cells.
  19. ABL/c-KIT dual kinase inhibitor

    CHMFL-ABL/KIT-155 (CHMFL-ABL-KIT-155; compound 34) is a highly potent and orally active type II ABL/c-KIT dual kinase inhibitor.
  20. BCR-ABL inhibitor

    BCR-ABL-IN-1 is an inhibitor of BCR-ABL tyrosine kinase, with a pIC50 of 6.46, and may be used in the research of chronic myelogenous leukemia.
  21. Bcr-Abl tyrosine inhibitor?€?

    Radotinib is a novel and selective Bcl-Abl tyrosine kinase inhibitor
  22. Bcr-Abl inhibitor

    PD-173955 is a src tyrosine kinase inhibitor. PD173955 inhibited Bcr-Abl-dependent cell growth. PD173955 showed cell cycle arrest in G(1). PD173955 has an IC(50) of 1-2 nM in kinase inhibition assays of Bcr-Abl, and in cellular growth assays it inhibits Bcr-Abl-dependent substrate tyrosine phosphorylation. PD173955 inhibited kit ligand-dependent c-kit autophosphorylation (IC(50) = approximately 25 nM) and kit ligand-dependent proliferation of M07e cells (IC(50) = 40 nM) but had a lesser effect on interleukin 3-dependent (IC(50) = 250 nM) or granulocyte macrophage colony-stimulating factor (IC(50) = 1 microM)-dependent cell growth.
  23. BCR-ABL inhibitor

    CHMFL-ABL-039 is a type II native ABL kinase and drug-resistant V299L mutant BCR-ABL inhibitor with the IC50s of 7.9 nM and 27.9 nM, respectively. CHMFL-ABL-039 is used in the research of chronic myeloid leukemia.
  24. Bcr-Abl inhibitor

    GNF-5 is a selective allosteric inhibitor of BCR-ABL.
  25. c-Abl/c-Kit/PDGRFβ inhibitor

    Flumatinib mesylate can reduce the expression of C-MYC, HIF-1 a and VEGF in U266 cell line in a time- and dose-dependent manners, so flumatinib mesylate may become a new drug for MM therapy.
  26. Bcr-Abl inhibitor

    NRC-AN-019 is an orally administered tyrosine kinase inhibitor (TKI) of the Bcr-Abl protein-tyrosine kinase. NRC-AN-019 is more effective in inhibiting angiogenic potential and proliferation of both MDAMB231 and HTB20/BT474 cells.
  27. RET kinase inhibitor

    AST487 is a Ret kinase inhibitor/FLT3 inhibitor with IC50 of 0.88 uM for Ret.
  28. Bcr-Abl inhibitor

    Nilotinib is a Bcr-Abl inhibitor with IC50 less than 30 nM.
  29. Bcr-Abl Inhibitor

    GZD824 is a novel orally bioavailable Bcr-Abl inhibitor for Bcr-Abl(WT) and Bcr-Abl(T315I) with IC50 of 0.34 nM and 0.68 nM, respectively.
  30. Bcr-Abl inhibitor

    GNF-7 is a potent type-II kinase Bcr-Abl inhibitor with IC50 of <5 nM, 61 nM, 122 nM, 136 nM, and 133 nM for M351T, T315I, E255 V, G250E, and c-Abl, respectively.
  31. multi-kinase inhibitor

    Flumatinib is a multi-kinase inhibitor with IC50 Values of 1.2 nM, 307.6 nM and 2662 nM for c-Abl, PDGFRbeta and c-Kit respectively.
  32. Bcr-Abl inhibitor

    GZD824 is a novel orally bioavailable inhibitor against a broad spectrum of Bcr-Abl mutants including T315I.
  33. dual Bcr-Abl/Lyn inhibitor

    Lyn-IN-1 is a potent and selective dual Bcr-Abl/Lyn inhibitor, extracted from patent WO2014169128A1.
  34. dual PI3K and BCR-ABL inhibitor

    ON 146040 is the first dual PI3K and BCR-ABL inhibitor that targets the STAT3 and STAT5 pathways; inhibits PI3K α/δ isoforms with IC50 of 14/20 nM.
  35. Dasatinib Monohydrate is a novel, potent and multi-targeted inhibitor that targets Abl, Src and c-Kit, with IC50 of <1 nM, 0.8 nM and 79 nM, respectively.
  36. ABL inhibitor

    SNIPER(ABL)-062, in which an ABL inhibitor is linked to a ligand of cIAP1 via a linker containing a variable polyethylene glycol (PEG) unit, shows a potent activity to degrade the BCR-ABL protein.
  37. ABL2 inhibitor

    CHMFL-ABL-121 is a highly potent type II ABL kinase inhibitor with IC50s of 2 nM and 0.2 nM against purified inactive ABL wt and T315I kinase protein, respectively.
  38. ABL inhibitor

    CZC-8004 is a pan-kinase inhibitor and binds a range of tyrosine kinases, including ABL kinase.
  39. Src/Abl kinase inhibitor

    AZD0424 is an orally active, and dual selective Src/Abl kinase inhibitor with potential antineoplastic activity. AZD0424 induces apoptosis and cell cycle arrest in lymphoma cells.
  40. SNIPER(ABL)-024, conjugating GNF5 (ABL inhibitor) to LCL161 derivative (IAP ligand) with a linker, induces the reduction of BCR-ABL protein with a DC50 of 5μM.
  41. Bcr-Abl inhibitor

    Asciminib (ABL001) is a potent and selective allosteric Bcr-Abl inhibitor; inhibits Ba/F3 cells grown with an IC50 of 0.25 nM.
  42. Bcr-Abl kinase inhibitor

    CT-721 is a potent and time-dependent Bcr-Abl kinase inhibitor with an IC50 of 21.3 nM for wild-type Bcr-Abl kinase, and possesses anti-chronic myeloid leukemia (CML) activities.
  43. BCR-ABL inhibitor

    BCR-ABL-IN-2 is an inhibitor of BCR-ABL1 tyrosine kinase, with IC50s of 57 nM, 773 nm for ABL1native and ABL1T315I, respectively.
  44. Src/c-Abl inhibitor

    1-Naphthyl PP1 hydrochloride is a selective inhibitor of src family kinases v-Src and c-Fyn as well as the tyrosine kinase c-Abl (IC50 values are 1.0, 0.6, 0.6, 18 and 22 μM for v-Src, c-Fyn, c-Abl, CDK2 and CAMK II respectively).
  45. BCR-ABL1 tyrosine kinase degrader

    GMB-475 is a degrader of BCR-ABL1 tyrosine kinase based on PROTAC, overcoming BCR-ABL1-dependent drug resistance.
  46. Bcr-Abl1 inhibitor

    Vodobatinib, also known as K-0706, is a novel 3rd generation (3G) TKI effective against wild-type and mutated BCR-ABL1 with limited off-target activity.
  47. multi-kinase inhibitor

    Multi-kinase inhibitor 1 is a potent multi-kinase inhibitor. Multi-kinase inhibitor 1 has the potential for diseases or disorders associated with abnormal or deregulated tyrosine kinase activity, particularly diseases associated with the activity of PDGF-R, c-Kit and Bcr-abl.

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