Details of the Drug Combination

General Information of Drug Combination (ID: DCQRECU)

• Drug Combination Name: Vemurafenib + Mepacrine
• Indication: Malignant melanoma; Status: Investigative [1]
• Component Drugs:
  Vemurafenib (DM62UG5): Small molecular drug
  Mepacrine (DMU8L7C): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: LOX IMVI
  Zero Interaction Potency (ZIP) Score: 0.97
  Bliss Independence Score: 1.08
  Loewe Additivity Score: 1.54
  LHighest Single Agent (HSA) Score: 6.73

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Vemurafenib

Disease Entry	ICD 11	Status	REF
Melanoma	2C30	Approved	[2]

Vemurafenib Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Serine/threonine-protein kinase B-raf (BRAF)	TTWCGQT	BRAF_HUMAN	Modulator	[6]

Vemurafenib Interacts with 3 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[7]
Organic anion transporting polypeptide 1B1 (SLCO1B1)	DT3D8F0	SO1B1_HUMAN	Substrate	[8]
Organic anion transporting polypeptide 1B3 (SLCO1B3)	DT9C1TS	SO1B3_HUMAN	Substrate	[8]

Vemurafenib Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[9]

Vemurafenib Interacts with 8 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Microphthalmia-associated transcription factor (MITF)	OT6XJCZH	MITF_HUMAN	Affects Expression	[4]
Myc proto-oncogene protein (MYC)	OTPV5LUK	MYC_HUMAN	Decreases Expression	[10]
C-C motif chemokine 2 (CCL2)	OTAD2HEL	CCL2_HUMAN	Increases Expression	[11]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Decreases Phosphorylation	[5]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Decreases Phosphorylation	[5]
CD70 antigen (CD70)	OTHB2AL1	CD70_HUMAN	Decreases Expression	[12]
Melanocyte protein PMEL (PMEL)	OTCDDHHM	PMEL_HUMAN	Increases Expression	[4]
Melanoma antigen recognized by T-cells 1 (MLANA)	OT1N2S2K	MAR1_HUMAN	Increases Expression	[4]

Indication(s) of Mepacrine

Disease Entry	ICD 11	Status	REF
Discovery agent	N.A.	Investigative	[3]

Mepacrine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Phospholipase A2 (PLA2G1B)	TT9V5JH	PA21B_HUMAN	Inhibitor	[3]

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	[13]

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	[14]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[14]

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	[15]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[16]
1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 (PLCG1)	OTSBQR6D	PLCG1_HUMAN	Decreases Phosphorylation	[17]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Decreases Phosphorylation	[16]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Decreases Phosphorylation	[16]
Catenin beta-1 (CTNNB1)	OTZ932A3	CTNB1_HUMAN	Decreases Expression	[15]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Decreases Expression	[18]
Casein kinase I isoform alpha (CSNK1A1)	OTJ6O1IC	KC1A_HUMAN	Increases Expression	[15]
Forkhead box protein P3 (FOXP3)	OTA9Z9OC	FOXP3_HUMAN	Increases Expression	[16]
F-box/WD repeat-containing protein 1A (BTRC)	OT2EZDGR	FBW1A_HUMAN	Decreases Expression	[16]
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Increases Transport	[14]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Adenocarcinoma	DC9FGQA	HCT116	Investigative	[1]
Childhood T acute lymphoblastic leukemia	DC9WRW5	CCRF-CEM	Investigative	[1]
Chronic myelogenous leukemia	DCQ92SN	K-562	Investigative	[1]
High grade ovarian serous adenocarcinoma	DC1O6RS	OVCAR-8	Investigative	[1]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125976
• [2] 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: 5893).
• [3] 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.
• [4] PLX4032 Mediated Melanoma Associated Antigen Potentiation in Patient Derived Primary Melanoma Cells. J Cancer. 2015 Oct 29;6(12):1320-30. doi: 10.7150/jca.11126. eCollection 2015.
• [5] Actin remodeling confers BRAF inhibitor resistance to melanoma cells through YAP/TAZ activation. EMBO J. 2016 Mar 1;35(5):462-78. doi: 10.15252/embj.201592081. Epub 2015 Dec 14.
• [6] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [7] Differential effects of the oncogenic BRAF inhibitor PLX4032 (vemurafenib) and its progenitor PLX4720 on ABCB1 function. J Pharm Pharm Sci. 2014;17(1):154-68.
• [8] Contribution of OATP1B1 and OATP1B3 to the disposition of sorafenib and sorafenib-glucuronide. Clin Cancer Res. 2013 Mar 15;19(6):1458-66.
• [9] Vemurafenib for the treatment of melanoma. Expert Opin Pharmacother. 2012 Dec;13(17):2533-43.
• [10] Perturbation biology nominates upstream-downstream drug combinations in RAF inhibitor resistant melanoma cells. Elife. 2015 Aug 18;4:e04640. doi: 10.7554/eLife.04640.
• [11] Overcoming melanoma resistance to vemurafenib by targeting CCL2-induced miR-34a, miR-100 and miR-125b. Oncotarget. 2016 Jan 26;7(4):4428-41. doi: 10.18632/oncotarget.6599.
• [12] Melanoma Expressed-CD70 Is Regulated by RhoA and MAPK Pathways without Affecting Vemurafenib Treatment Activity. PLoS One. 2016 Feb 1;11(2):e0148095. doi: 10.1371/journal.pone.0148095. eCollection 2016.
• [13] 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.
• [14] 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.
• [15] 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.
• [16] 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.
• [17] 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.
• [18] 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.