Epigeneics include any process that alters gene activity without changing the DNA sequence, and leads to modifications that can be transmitted to daughter cells. Many types of epigenetic processes have been identified—they include DNA methylation, alteration in the structure of histone proteins and gene regulation by small noncoding microRNAs.

Many different DNA and histone modifications have been identified to determine the epigenetic landscape. DNA methylation is mainly mediated by DNA-methyl transferase (DNMT), there are two known types of DNMT, namely DNMT1, which preserves preexisting pattern of methylation after cell replication, and DNMT3A/B, so-called “de novo” DNMT, which methylate previously unmethylated DNA. Histone modifications mainly include acetylation, methylation, phosphorylation, and ubiquitination. The acetylation of histones can be mediated by histone acetyltransferases (HATs) and histone deacetyltransferases (HDACs), while Histhone demethylation is performed by two classes of histone demethylases: lysine-specific demethylase (LSD) family proteins (LSD1 and LSD2) and JmjC domaincontaining histone demethylase (JHDM). Furthermore, enzymes involved in epigenetic modifications can also be governed by miRNAs. For example, miR-34a can directly inhibit the activities of SIRT1 to regulate cholesterol homeostasis.

The accumulated evidence indicates that many genes, diseases, and environmental substances are part of the epigenetics picture. At the FDA, scientists are investigating many drugs that function through epigenetic mechanisms. Drugs that inhibit DNA methylation or histone deacetylation have been studied for the reactivation of tumor suppressor genes and repression of cancer cell growth. Epigenetic inhibitors can also work alone or in combination with other therapeutic agents.

References:
[1] Bob Weinhold. Environ Health Perspect. 2006 Mar; 114(3): A160–A167.
[2] Xu W, et al. Genet Epigenet. 2016 Sep 25;8:43-51.
[3] Biswas S, et al. Pharmacol Ther. 2017. doi: 10.1016/j.pharmthera.2017.02.011.
[4] Perri F, et al. Crit Rev Oncol Hematol. 2017 Mar;111:166-172.


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EPZ020411 hydrochloride

EPZ020411 hydrochloride is a potent and selective inhibitor of PRMT6 with IC50 of 10 nM, has >10 fold selectivity for PRMT6 over PRMT1 and PRMT8.IC50 value: 10 nMTarget: PRMT6in vitro: EPZ020411 inhibits methylation of PRMT6 substrates in cells. EPZ020411 does-dependently inhibits H3R2 methylation in PRMT6-overexpressing cells.in vivo: EPZ020411 shows good bioavailability following subcutaneous (SC) dosing in rats making it a suitable tool for in vivo studies.

  • CAS Number: 2070015-25-5
  • MF: C25H39ClN4O3
  • MW: 479.06
  • Catalog: Histone Methyltransferase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ala-gly-asn-lys-val-ile-ser-pro-ser-glu-asp-arg-arg-gln-cys

Protein kinase C (alpha) peptide (TFA) is a peptide of PKC-α. PKC-α acts as a lipid-dependent ser/thr protein kinase, can modulate various cellular processes, including cell survival, proliferation, differentiation, migration, adhesion and so on[1].

  • CAS Number: 159939-84-1
  • MF: C66H114N24O24S
  • MW: 1659.82000
  • Catalog: PKC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CBP/p300-IN-14

CBP/p300-IN-14 is a potent inhibitor of CBP/EP300 (lysine acetyltransferase) with an IC50 of 3.3 nM (extracted from patent WO2021213521A1, compound 27)[1].

  • CAS Number: 2725036-10-0
  • MF: C30H31F2N7O2
  • MW: 559.61
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SIRT5 inhibitor 7

SIRT5 inhibitor 7 (compound 58) is a substrate-competitive and selective SIRT5 inhibitor with anti-inflammatory activity. SIRT5 inhibitor 7 has renal protective effects and regulates protein succinylation and the release of pro-inflammatory cytokines. SIRT5 inhibitor 7 has in vivo activity in AKI mouse models of lipopolysaccharide (LPS) and cecal ligation/perforation (CLP)-induced sepsis-related acute kidney injury[1].

  • CAS Number: 2951090-00-7
  • MF: C28H32ClN7O3S
  • MW: 582.12
  • Catalog: Sirtuin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tranylcypromine (2-PCPA) HCl

(1S,2R)-Tranylcypromine hydrochloride is a potent antidepressant agent. (1S,2R)-Tranylcypromine hydrochloride can inhibits MAO and LSD1[1][2].

  • CAS Number: 4548-34-9
  • MF: C9H12ClN
  • MW: 169.65100
  • Catalog: Histone Demethylase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

HDAC-IN-60

HDAC-IN-60 (compound 21a) is a potent histone deacetylase (HDAC) inhibitor. HDAC-IN-60 can promote the intracellular generation of ROS, cause DNA damage, block the cell cycle at G2/M phase, and activate the mitochondria-related apoptotic pathway to induce cell apoptosis[1].

  • CAS Number: 2944459-58-7
  • MF: C20H26N2O6
  • MW: 390.43
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CEP-1347

CEP-1347 is an inhibitor of the JNK/SAPK pathway with neuroprotective effects.

  • CAS Number: 156177-65-0
  • MF: C33H33N3O5S2
  • MW: 615.76200
  • Catalog: JAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

NU 6140

NU6140 is a selective CDK2-cyclin A inhibitor (IC50, 0.41 μM), exhibits 10- to 36-fold selectivity over other CDKs[1]. NU6140 also potently inhibits Aurora A and Aurora B, with IC50s of 67 and 35 nM, respectively[2]. Anti-cancer activity[1][2].

  • CAS Number: 444723-13-1
  • MF: C23H30N6O2
  • MW: 422.52
  • Catalog: Aurora Kinase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

TC-E 5003

TC-E 5003 is a selective PRMT1 inhibitor with an IC50 of 1.5 µM against hPRMT1. TC-E 5003 has anti-inflammatory properties in TLR4 signaling[1][2].

  • CAS Number: 17328-16-4
  • MF: C16H14Cl2N2O4S
  • MW: 401.26400
  • Catalog: Histone Methyltransferase
  • Density: 1.504g/cm3
  • Boiling Point: 704.2ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 379.7ºC

Povorcitinib phosphate

Povorcitinib phosphate is a potent and selective inhibitor of JAK1. Povorcitinib phosphate has the potential for the research of disease selected from cutaneous lupus erythematosus (CLE) and Lichen planus (LP)[1].

  • CAS Number: 1637677-33-8
  • MF: C23H25F5N7O5P
  • MW: 605.45
  • Catalog: JAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PFI-90

PFI-90 is a selective inhibitor of histone demethylase (KDM3B) that inhibits PAX3-FOXO1 action. PFI-90 induces apoptosis and myogenic differentiation, resulting in the cell death increased. PFI-90 has the potential for the antitumor activity. (patent WO2021101929A1).

  • CAS Number: 53995-62-3
  • MF: C11H10N4O
  • MW: 214.22300
  • Catalog: Histone Demethylase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

GLPG0634

GLPG0634 is a selective JAK1 inhibitor with IC50 of 10 nM, 28 nM, 810 nM, and 116 nM for JAK1, JAK2, JAK3, and TYK2, respectively.

  • CAS Number: 1206161-97-8
  • MF: C21H23N5O3S
  • MW: 425.504
  • Catalog: JAK
  • Density: 1.5±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC Sirt2 Degrader-1

PROTAC Sirt2 Degrader-1 is a SirReal-based PROTAC, acts as a Sirt2 degrader, composed of a highly potent and isotype-selective Sirt2 inhibitor, a linker and thalidomide, a bona fide cereblon ligand for E3 ubiquitin ligase. PROTAC Sirt2 Degrader-1 shows an IC50 of 0.25 μM for Sirt2, with no effect on Sirt1/Sirt3 (IC50s > 100 μM)[1].

  • CAS Number: 2098487-75-1
  • MF: C40H40N10O8S2
  • MW: 852.94
  • Catalog: Sirtuin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

T247

HDAC3-IN-T247 is a potent and selective HDAC3 (histone deacetylase 3) inhibitor, with an IC50 of 0.24 µM. HDAC3-IN-T247 induces a selective increase of NF-κB acetylation in HCT116 cells. HDAC3-IN-T247 shows anticancer and antiviral activity. HDAC3-IN-T247 inhibits growth of cancer cells, and activates HIV gene expression in latent HIV-infected cells[1].

  • CAS Number: 1451042-18-4
  • MF: C21H19N5OS
  • MW: 389.47
  • Catalog: HDAC
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: 236 °C
  • Flash Point: N/A

Lutidinic acid

2,4-PDCA (2,4 pyridine dicarboxylic acid) is a broad-spectrum inhibitor of 2OG oxygenase, including JmjC domain-containing family of histone demethylases (JHDMs). 2,4-PDCA is a target chemical in the field of bio-based plastics[1][2][3].

  • CAS Number: 499-80-9
  • MF: C7H5NO4
  • MW: 167.12
  • Catalog: Histone Demethylase
  • Density: 1.6±0.1 g/cm3
  • Boiling Point: 574.8±35.0 °C at 760 mmHg
  • Melting Point: 243-246 °C
  • Flash Point: 301.4±25.9 °C

SIRT5 inhibitor 2

SIRT5 inhibitor 2 (compound 49) is a potent SIRT5 inhibitor with an IC50 value of 2.3 μM. SIRT5 inhibitor 2 has inhibitory activity against the SIRT5-dependent desuccinylation. SIRT5 inhibitor 2 can be used for researching cancer and neurodegenerative diseases[1].

  • CAS Number: 340306-87-8
  • MF: C18H12Cl2N2O3S
  • MW: 407.27
  • Catalog: Sirtuin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CC-90011 besylate

CC-90011 is a potent and orally active LSD1 inhibitor.

  • CAS Number: 2097523-60-7
  • MF: C29H27F2N5O5S
  • MW: 595.62
  • Catalog: Histone Demethylase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ASP4132

ASP4132 is an orally active, potent AMPK activator with an EC50 of 18 nM. ASP4132 has anti-cancer activity and makes tumor regression in breast cancer xenograft mouse models[1].

  • CAS Number: 1640294-30-9
  • MF: C46H51F3N6O8S2
  • MW: 937.06
  • Catalog: AMPK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

NR-160

NR-160 (NR160) is a novel potent, selective inhibitor of histone deacetylase 6 (HDAC6) with IC50 of 30 nM, shows SI (75-1847 )over all HDAC class I isoforms.NR-160 induced α-tubulin acetylation (ac-α-tubulin) in treated acute myeloid leukemic (AML) cell line HL60, but not histone H3 (ac-H3) (a marker for the inhibition of class I HDACs).NR-160 enhances the cytotoxicity induction of bortezomib, epirubicin and daunorubicin on a panel of seven leukemia cell lines

  • CAS Number: 2484895-50-1
  • MF: C25H21F3N6O3
  • MW: 510.477
  • Catalog: HDAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

2-(2,4-Dihydroxyphenyl)-3-(3-methyl-2-butenyl)-5-hydroxy-8,8-dimethyl-4H,8H-benzo[1,2-b:5,4-b']dipyran-4-one

Cudraflavone B is a prenylated flavonoid with anti-inflammatory and anti-tumor properties. Cudraflavone B is also a dual inhibitor of COX-1 and COX-2. Cudraflavone B blocks the translocation of nuclear factor κB (NF-κB) from the cytoplasm to the nucleus in macrophages. Thus, Cudraflavone B inhibits tumor necrosis factor α (TNFα) gene expression and secretion. Cudraflavone B also triggers the mitochondrial apoptotic pathway, activates NF-κB, the MAPK p38, and ERK, and induced the expression of SIRT1. Thus Cudraflavone B inhibits the growth of human oral squamous cell carcinoma cells[1][2].

  • CAS Number: 19275-49-1
  • MF: C25H24O6
  • MW: 420.45
  • Catalog: Sirtuin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tazemetostat (EPZ-6438)

Tazemetostat (EPZ-6438) is a potent, selective and orally available EZH2 inhibitor with Ki and IC50 of 2.5 and 11 nM, respectively.

  • CAS Number: 1403254-99-8
  • MF: C34H44N4O4
  • MW: 572.738
  • Catalog: Epigenetic Reader Domain
  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 750.8±60.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 407.9±32.9 °C

PRMT5-IN-25

PRMT5-IN-25 (compound 503) is a potent PRMT5 inhibitor with an Ki value of 0.06 nM. PRMT5-IN-25 shows antiproliferative[1].

  • CAS Number: 2691869-82-4
  • MF: C24H21F3N6O
  • MW: 466.46
  • Catalog: Histone Methyltransferase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

A 485

A-485 is a potent and selective catalytic inhibitor of p300/CBP with IC50s of 9.8 nM and 2.6 nM for p300 and CBP, respectively.

  • CAS Number: 1889279-16-6
  • MF: C25H24F4N4O5
  • MW: 536.48
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

RGFP966

(E,E)-RGFP966 is a selective and CNS permeable HDAC3 inhibitor that can be used for the research of Huntington’s disease[1].

  • CAS Number: 1396841-57-8
  • MF: C21H19FN4O
  • MW: 362.40000
  • Catalog: HDAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

HPB

HPB (HDAC6 inhibitor HPB) is a selective HDAC6 inhibitor with an IC50 of 31 nM. HPB exhibits >30-flod selectivity for HDAC6 over HDAC1[1].

  • CAS Number: 1800066-24-3
  • MF: C18H20N2O4
  • MW: 328.362
  • Catalog: HDAC
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

GSK-J5

GSK-J5 is a potent inhibitor of Schistosome and worm. GSK-J5 increases schistosomula mortality and adult worm motility and mortality, as well as egg oviposition, in a dose- and time-dependent manner[1].

  • CAS Number: 1394854-51-3
  • MF: C24H27N5O2
  • MW: 417.50
  • Catalog: Histone Demethylase
  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 581.2±50.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 305.3±30.1 °C

Thalidomide-NH-CBP/p300 ligand 2

Thalidomide-NH-CBP/p300 ligand 2 (P-007) is a PROTAC-based CBP and p300 degrader (extracted from patent WO2020173440)[1].

  • CAS Number: 2484739-21-9
  • MF: C48H57F2N11O6
  • MW: 922.03
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Aurora Kinase Inhibitor 3

Aurora Kinase Inhibitor 3 is a strong and selective Aurora A kinase inhibitor with an IC50 of 42 nM, and weakly inhibits EGFR with an IC50>10 μM. Aurora Kinase Inhibitor 3 has a binding mode with the cyclopropanecarboxylic acid moiety directed towards the solvent exposed region of the ATP-binding pocket, and several induced structural changes in the active-site compared with other published AIK structures[1].

  • CAS Number: 879127-16-9
  • MF: C21H18F3N5O
  • MW: 413.39600
  • Catalog: Aurora Kinase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

OF 1

OF-1 is a selective BRPF1B and BRPF2 bromodomain inhibitor with Kd values of 100 nM/500 nM for BRPF1B/BRPF2; 39-fold selectivity over BRD4.

  • CAS Number: 919973-83-4
  • MF: C17H18BrN3O4S
  • MW: 440.311
  • Catalog: Epigenetic Reader Domain
  • Density: 1.6±0.1 g/cm3
  • Boiling Point: 573.8±60.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 300.8±32.9 °C

HDAC-IN-58

HDAC-IN-58 is a HDAC inhibitor. HDAC-IN-58 has HDAC6-specific inhibition activity with an IC50 value of 2.06 nM. HDAC-IN-58 can be used for the research of chronic diseases, including neurodegenerative and psychiatric conditions[1].

  • CAS Number: 2071224-39-8
  • MF: C16H13ClF2N4O3S
  • MW: 414.81
  • Catalog: HDAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A