Details of the Drug Combination

General Information of Drug Combination (ID: DCCJPXT)

• Drug Combination Name: Plicamycin + Mepacrine
• Indication: High grade ovarian serous adenocarcinoma; Status: Investigative [1]
• Component Drugs:
  Plicamycin (DM7C8YV): Small molecular drug
  Mepacrine (DMU8L7C): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: OVCAR-8
  Zero Interaction Potency (ZIP) Score: 2.29
  Bliss Independence Score: 4.78
  Loewe Additivity Score: 2.47
  LHighest Single Agent (HSA) Score: 1.65

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Plicamycin

Disease Entry	ICD 11	Status	REF
Hypercalcaemia	5B91.0	Approved	[2]
Testicular cancer	2C80	Approved	[2]
Solid tumour/cancer	2A00-2F9Z	Withdrawn from market	[3]
Lung cancer	2C25.0	Investigative	[4]
Ovarian cancer	2C73	Investigative	[4]

Plicamycin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
RNA synthesis (hRNA synth)	TTX2AYW	NOUNIPROTAC	Modulator	[7]

Plicamycin Interacts with 8 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
17-beta-hydroxysteroid dehydrogenase type 2 (HSD17B2)	OT3K7HY5	DHB2_HUMAN	Decreases Expression	[8]
Baculoviral IAP repeat-containing protein 5 (BIRC5)	OTILXZYL	BIRC5_HUMAN	Decreases Expression	[9]
Proto-oncogene tyrosine-protein kinase Src (SRC)	OTETYX40	SRC_HUMAN	Decreases Expression	[10]
Tyrosine-protein kinase receptor UFO (AXL)	OTKA2SUX	UFO_HUMAN	Decreases Expression	[11]
Transcription factor Sp3 (SP3)	OTYDQZ1T	SP3_HUMAN	Decreases Expression	[6]
Epidermal growth factor receptor kinase substrate 8 (EPS8)	OTZ6ES6V	EPS8_HUMAN	Decreases Expression	[10]
TNFAIP3-interacting protein 1 (TNIP1)	OTRAOTEW	TNIP1_HUMAN	Decreases Expression	[12]
Sphingomyelin phosphodiesterase 3 (SMPD3)	OTHQBETH	NSMA2_HUMAN	Decreases Expression	[13]

Indication(s) of Mepacrine

Disease Entry	ICD 11	Status	REF
Discovery agent	N.A.	Investigative	[5]

Mepacrine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Phospholipase A2 (PLA2G1B)	TT9V5JH	PA21B_HUMAN	Inhibitor	[5]

Mepacrine Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[14]

Mepacrine Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[15]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[15]

Mepacrine Interacts with 11 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Myc proto-oncogene protein (MYC)	OTPV5LUK	MYC_HUMAN	Decreases Expression	[16]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[17]
1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 (PLCG1)	OTSBQR6D	PLCG1_HUMAN	Decreases Phosphorylation	[18]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Decreases Phosphorylation	[17]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Decreases Phosphorylation	[17]
Catenin beta-1 (CTNNB1)	OTZ932A3	CTNB1_HUMAN	Decreases Expression	[16]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Decreases Expression	[19]
Casein kinase I isoform alpha (CSNK1A1)	OTJ6O1IC	KC1A_HUMAN	Increases Expression	[16]
Forkhead box protein P3 (FOXP3)	OTA9Z9OC	FOXP3_HUMAN	Increases Expression	[17]
F-box/WD repeat-containing protein 1A (BTRC)	OT2EZDGR	FBW1A_HUMAN	Decreases Expression	[17]
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Increases Transport	[15]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Adenocarcinoma	DC5JZI5	SW-620	Investigative	[1]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125976
• [2] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [3] URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 8394).
• [4] The Pluripotency Factor Musashi-2 Is a Novel Target for Lung Cancer Therapy.Ann Am Thorac Soc. 2018 Apr;15(Supplement_2):S124.
• [5] Involvement of protein kinase C activation in L-leucine-induced stimulation of protein synthesis in l6 myotubes. Cytotechnology. 2003 Nov;43(1-3):97-103.
• [6] The activity of a novel mithramycin analog is related to its binding to DNA, cellular accumulation, and inhibition of Sp1-driven gene transcription. Chem Biol Interact. 2014 Aug 5;219:123-32. doi: 10.1016/j.cbi.2014.05.019. Epub 2014 Jun 4.
• [7] Role of magnesium ion in mithramycin-DNA interaction: binding of mithramycin-Mg2+ complexes with DNA. Biochemistry. 1995 Jan 31;34(4):1376-85.
• [8] SP1 and SP3 mediate progesterone-dependent induction of the 17beta hydroxysteroid dehydrogenase type 2 gene in human endometrium. Biol Reprod. 2006 Oct;75(4):605-14.
• [9] Molecular mechanisms of transactivation and doxorubicin-mediated repression of survivin gene in cancer cells. J Biol Chem. 2007 Jan 26;282(4):2615-25. doi: 10.1074/jbc.M606203200. Epub 2006 Nov 22.
• [10] Mithramycin inhibits human epithelial carcinoma cell proliferation and migration involving downregulation of Eps8 expression. Chem Biol Interact. 2010 Jan 5;183(1):181-6. doi: 10.1016/j.cbi.2009.09.018.
• [11] The human receptor tyrosine kinase Axl gene--promoter characterization and regulation of constitutive expression by Sp1, Sp3 and CpG methylation. Biosci Rep. 2008 Jun;28(3):161-76. doi: 10.1042/BSR20080046.
• [12] Sp sites contribute to basal and inducible expression of the human TNIP1 (TNF-inducible protein 3-interacting protein 1) promoter. Biochem J. 2013 Jun 15;452(3):519-29. doi: 10.1042/BJ20121666.
• [13] Transcriptional regulation of neutral sphingomyelinase 2 gene expression of a human breast cancer cell line, MCF-7, induced by the anti-cancer drug, daunorubicin. Biochim Biophys Acta. 2009 Nov-Dec;1789(11-12):681-90. doi: 10.1016/j.bbagrm.2009.08.006. Epub 2009 Aug 19.
• [14] Arginine-482 is not essential for transport of antibiotics, primary bile acids and unconjugated sterols by the human breast cancer resistance protein (ABCG2). Biochem J. 2005 Jan 15;385(Pt 2):419-26.
• [15] Quinacrine is mainly metabolized to mono-desethyl quinacrine by CYP3A4/5 and its brain accumulation is limited by P-glycoprotein. Drug Metab Dispos. 2006 Jul;34(7):1136-44.
• [16] Nanoquinacrine caused apoptosis in oral cancer stem cells by disrupting the interaction between GLI1 and catenin through activation of GSK3. Toxicol Appl Pharmacol. 2017 Sep 1;330:53-64. doi: 10.1016/j.taap.2017.07.008. Epub 2017 Jul 15.
• [17] Quinacrine induces the apoptosis of human leukemia U937 cells through FOXP3/miR-183/-TrCP/SP1 axis-mediated BAX upregulation. Toxicol Appl Pharmacol. 2017 Nov 1;334:35-46. doi: 10.1016/j.taap.2017.08.019. Epub 2017 Sep 1.
• [18] Quinacrine is active in preclinical models of glioblastoma through suppressing angiogenesis, inducing oxidative stress and activating AMPK. Toxicol In Vitro. 2022 Sep;83:105420. doi: 10.1016/j.tiv.2022.105420. Epub 2022 Jun 17.
• [19] Multiple-endpoint in vitro carcinogenicity test in human cell line TK6 distinguishes carcinogens from non-carcinogens and highlights mechanisms of action. Arch Toxicol. 2021 Jan;95(1):321-336. doi: 10.1007/s00204-020-02902-3. Epub 2020 Sep 10.