Details of the Drug Combination

General Information of Drug Combination (ID: DCOQJVY)

• Drug Combination Name: Pralatrexate + Mepacrine
• Indication: High grade ovarian serous adenocarcinoma; Status: Investigative [1]
• Component Drugs:
  Pralatrexate (DMAO80I): Small molecular drug
  Mepacrine (DMU8L7C): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: OVCAR-4
  Zero Interaction Potency (ZIP) Score: 8.1
  Bliss Independence Score: 15.13
  Loewe Additivity Score: 11.59
  LHighest Single Agent (HSA) Score: 11.36

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Pralatrexate

Disease Entry	ICD 11	Status	REF
Breast cancer	2C60-2C65	Approved	[2]
Peripheral T-cell lymphoma	2A90.C	Approved	[2]
Primary cutaneous peripheral T-cell lymphoma not otherwise specified	N.A.	Approved	[3]

Pralatrexate Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Polypeptide deformylase (PDF)	TT9SL3Q	DEFM_HUMAN	Inhibitor	[5]

Pralatrexate Interacts with 2 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Folate transporter 1 (SLC19A1)	DTOSN46	S19A1_HUMAN	Substrate	[6]
Proton-coupled folate transporter (SLC46A1)	DTDJEMI	PCFT_HUMAN	Substrate	[6]

Pralatrexate Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Folylpolyglutamate synthase (FPGS)	DECWT2V	FOLC_HUMAN	Metabolism	[7]

Indication(s) of Mepacrine

Disease Entry	ICD 11	Status	REF
Discovery agent	N.A.	Investigative	[4]

Mepacrine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Phospholipase A2 (PLA2G1B)	TT9V5JH	PA21B_HUMAN	Inhibitor	[4]

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	[8]

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	[9]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[9]

Mepacrine Interacts with 22 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Myc proto-oncogene protein (MYC)	OTPV5LUK	MYC_HUMAN	Decreases Expression	[10]
Cellular tumor antigen p53 (TP53)	OTIE1VH3	P53_HUMAN	Increases Activity	[11]
Zinc finger protein GLI1 (GLI1)	OT1BTAJO	GLI1_HUMAN	Decreases Expression	[10]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[12]
1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 (PLCG1)	OTSBQR6D	PLCG1_HUMAN	Decreases Phosphorylation	[13]
G1/S-specific cyclin-D1 (CCND1)	OT8HPTKJ	CCND1_HUMAN	Decreases Expression	[10]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Decreases Phosphorylation	[12]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Decreases Phosphorylation	[12]
Catenin beta-1 (CTNNB1)	OTZ932A3	CTNB1_HUMAN	Decreases Expression	[10]
Vascular endothelial growth factor receptor 2 (KDR)	OT15797V	VGFR2_HUMAN	Decreases Phosphorylation	[13]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Decreases Expression	[14]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Activity	[10]
Casein kinase I isoform alpha (CSNK1A1)	OTJ6O1IC	KC1A_HUMAN	Increases Expression	[10]
Glycogen synthase kinase-3 beta (GSK3B)	OTL3L14B	GSK3B_HUMAN	Increases Expression	[10]
Caspase-9 (CASP9)	OTD4RFFG	CASP9_HUMAN	Increases Cleavage	[12]
Focal adhesion kinase 1 (PTK2)	OT3Q1JDY	FAK1_HUMAN	Decreases Phosphorylation	[13]
Apoptosis regulator BAX (BAX)	OTAW0V4V	BAX_HUMAN	Increases Expression	[12]
Potassium voltage-gated channel subfamily H member 2 (KCNH2)	OTZX881H	KCNH2_HUMAN	Decreases Activity	[15]
Forkhead box protein P3 (FOXP3)	OTA9Z9OC	FOXP3_HUMAN	Increases Expression	[12]
F-box/WD repeat-containing protein 1A (BTRC)	OT2EZDGR	FBW1A_HUMAN	Decreases Expression	[12]
Cytochrome P450 1A1 (CYP1A1)	OTE4EFH8	CP1A1_HUMAN	Increases Metabolism	[9]
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Increases Transport	[9]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Clear cell renal cell carcinoma	DC7XVTV	A498	Investigative	[16]
Papillary renal cell carcinoma	DCQBVC5	ACHN	Investigative	[16]
Adenocarcinoma	DCDY0IP	HCT-15	Investigative	[1]

References

• [1] Loss of function mutations in VARS encoding cytoplasmic valyl-tRNA synthetase cause microcephaly, seizures, and progressive cerebral atrophy.Hum Genet. 2018 Apr;137(4):293-303. doi: 10.1007/s00439-018-1882-3. Epub 2018 Apr 24.
• [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: 6840).
• [3] Pralatrexate FDA Label
• [4] 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.
• [5] Hughes B: 2009 FDA drug approvals. Nat Rev Drug Discov. 2010 Feb;9(2):89-92.
• [6] Antifolates in cancer therapy: structure, activity and mechanisms of drug resistance. Drug Resist Updat. 2012 Aug;15(4):183-210.
• [7] Pralatrexate : evaluation of clinical efficacy and toxicity in T-cell lymphoma. Expert Opin Pharmacother. 2013 Mar;14(4):515-23.
• [8] 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.
• [9] 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.
• [10] 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.
• [11] High-throughput measurement of the Tp53 response to anticancer drugs and random compounds using a stably integrated Tp53-responsive luciferase reporter. Carcinogenesis. 2002 Jun;23(6):949-57. doi: 10.1093/carcin/23.6.949.
• [12] 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.
• [13] 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.
• [14] 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.
• [15] Why are most phospholipidosis inducers also hERG blockers?. Arch Toxicol. 2017 Dec;91(12):3885-3895. doi: 10.1007/s00204-017-1995-9. Epub 2017 May 27.
• [16] Recurrent recessive mutation in deoxyguanosine kinase causes idiopathic noncirrhotic portal hypertension.Hepatology. 2016 Jun;63(6):1977-86. doi: 10.1002/hep.28499. Epub 2016 Mar 31.