1. Epigenetics
    Metabolic Enzyme/Protease
    Anti-infection
  2. Histone Methyltransferase
    Phosphodiesterase (PDE)
    Parasite
  3. Furamidine dihydrochloride

Furamidine dihydrochloride (Synonyms: DB75 dihydrochloride; NSC 305831 dihydrochloride)

Cat. No.: HY-110137 Purity: >98.0%
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Furamidine dihydrochloride (DB75 dihydrochloride) is a selective protein arginine methyltransferase 1 (PRMT1) inhibitor with an IC50 of 9.4 μM. Furamidine dihydrochloride is selective for PRMT1 over PRMT5, PRMT6, and PRMT4 (CARM1) (IC50s of 166 µM, 283 µM, and >400 µM, respectively). Furamidine dihydrochloride is a potent, reversible and competitive tyrosyl-DNA phosphodiesterase 1 (TDP-1) inhibitor. Inhibition of TDP-1 by Furamidine dihydrochloride is effective both with single- and double-stranded DNA substrates but is slightly stronger with the duplex DNA. Furamidine dihydrochloride is also an antiparasite agent.

For research use only. We do not sell to patients.

Furamidine dihydrochloride Chemical Structure

Furamidine dihydrochloride Chemical Structure

CAS No. : 55368-40-6

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Based on 1 publication(s) in Google Scholar

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Description

Furamidine dihydrochloride (DB75 dihydrochloride) is a selective protein arginine methyltransferase 1 (PRMT1) inhibitor with an IC50 of 9.4 μM. Furamidine dihydrochloride is selective for PRMT1 over PRMT5, PRMT6, and PRMT4 (CARM1) (IC50s of 166 µM, 283 µM, and >400 µM, respectively). Furamidine dihydrochloride is a potent, reversible and competitive tyrosyl-DNA phosphodiesterase 1 (TDP-1) inhibitor. Inhibition of TDP-1 by Furamidine dihydrochloride is effective both with single- and double-stranded DNA substrates but is slightly stronger with the duplex DNA. Furamidine dihydrochloride is also an antiparasite agent[1][2][3].

IC50 & Target

IC50: 9.4 μM (Protein arginine methyltransferase 1 (PRMT1)); 166 µM (PRMT5), 283 µM (PRMT6) and >400 µM (PRMT4)[1]
Parasite[1]
Tyrosyl-DNA phosphodiesterase 1 (TDP-1)[2]

In Vitro

Furamidine (compound 1; 20 μM; 72 hours; leukemia cell lines) inhibits cell growth for most of the leukemia cell lines except HEL cells which have JAK2V617F mutations[1].
Furamidine (compound 1; 20 μM; 15 hours; 293T cells) treatment significantly reduces the expression level of the methylated GFP-ALY protein in 293T cells[1].
Furamidine binds duplex DNA in the DNA minor groove selectively at AT rich sites [(A/T)4]. Furamidine can also intercalate between GC base pairs of duplex DNA. Furamidine could therefore interfere with DNA processing enzymes such as TDP-1[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Viability Assay[1]

Cell Line: Meg-01, K562, HL-60, NB4, MOLM13, HEL, CMK, CMY, CMS and CHRF cells
Concentration: 20 μM
Incubation Time: 72 hours
Result: Inhibited cell growth for most of the leukemia cell lines except HEL cells which have JAK2V617F mutations.

Western Blot Analysis[1]

Cell Line: 293T cells
Concentration: 20 μM
Incubation Time: 15 hours
Result: The expression level of the methylated GFP-ALY protein is significantly reduced.
In Vivo

Furamidine (1 mg/kg; intraperitoneal injection; 3 times a week and repeated every 4 weeks; for 34 weeks; female NZB/NZW mice) and Irinotecan combined treatment suppresses proteinuria and prolongs survival of lupus-prone NZB/NZW mice. The combination treatment does not change the levels of anti-dsDNA antibodies[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Female NZB/NZW mice (6-week-old) with Irinotecan (1 mg/kg)[3]
Dosage: 1 mg/kg
Administration: Intraperitoneal injection; 3 times a week and repeated every 4 weeks; for 34 weeks
Result: Suppressed proteinuria and prolongs survival of lupus-prone NZB/NZW mice combined with Irinotecan.
Molecular Weight

377.27

Formula

C₁₈H₁₈Cl₂N₄O

CAS No.

55368-40-6

SMILES

N=C(C1=CC=C(C2=CC=C(C3=CC=C(C(N)=N)C=C3)O2)C=C1)N.[H]Cl.[H]Cl

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
In solvent -80°C 6 months
-20°C 1 month
References

Purity: >98.0%

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Keywords:

FuramidineDB75NSC 305831DB 75DB-75NSC305831NSC-305831Histone MethyltransferasePhosphodiesterase (PDE)ParasiteTDP-1lupusnephritisDNArelaxationantiparasitesingle-strandeddouble-strandedbisbenzamidinePRMT1Inhibitorinhibitorinhibit

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Furamidine dihydrochloride
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