Details of the Drug Combination

General Information of Drug Combination (ID: DCJTOB8)

• Drug Combination Name: Thioguanine + Vemurafenib
• Indication: Glioma; Status: Investigative [1]
• Component Drugs:
  Thioguanine (DM7NKEV): Small molecular drug
  Vemurafenib (DM62UG5): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: SF-295
  Zero Interaction Potency (ZIP) Score: 6.58
  Bliss Independence Score: 11.6
  Loewe Additivity Score: 10.26
  LHighest Single Agent (HSA) Score: 11.96

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Thioguanine

Disease Entry	ICD 11	Status	REF
Acute lymphocytic leukaemia	2B33.3	Approved	[2]
Acute myelogenous leukaemia	2A41	Approved	[3]
Acute myeloid leukaemia	2A60	Approved	[4]
Middle East Respiratory Syndrome (MERS)	1D64	Preclinical	[5]
Severe acute respiratory syndrome (SARS)	1D65	Preclinical	[5]

Thioguanine Interacts with 3 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
MERS-CoV papain-like proteinase (PL-PRO)	TTYJOLE	R1AB_CVEMC (854-2740)	Inhibitor	[5]
Inosine-5'-monophosphate dehydrogenase (IMPDH)	TTCAQMW	NOUNIPROTAC	Intercalator	[7]
SARS-CoV papain-like proteinase (PL-PRO)	TTRGHB2	R1AB_CVHSA (819-2740)	Inhibitor	[5]

Thioguanine Interacts with 3 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[8]
Multidrug resistance-associated protein 4 (ABCC4)	DTCSGPB	MRP4_HUMAN	Substrate	[9]
Concentrative Na(+)-nucleoside cotransporter 3 (SLC28A3)	DT4YL5R	S28A3_HUMAN	Substrate	[10]

Thioguanine Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Thiopurine methyltransferase (TPMT)	DEFQ8VO	TPMT_HUMAN	Metabolism	[11]
Hypoxanthine phosphoribosyltransferase (HPRT1)	DEVXTP5	HPRT_HUMAN	Metabolism	[12]

Thioguanine Interacts with 11 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Thiopurine S-methyltransferase (TPMT)	OTFOX70W	TPMT_HUMAN	Increases ADR	[13]
Hypoxanthine-guanine phosphoribosyltransferase (HPRT1)	OTOEEEXG	HPRT_HUMAN	Decreases Response To Substance	[14]
Thiopurine S-methyltransferase (TPMT)	OTFOX70W	TPMT_HUMAN	Increases ADR	[15]
Inosine-5'-monophosphate dehydrogenase 2 (IMPDH2)	OTPG0K7E	IMDH2_HUMAN	Increases Expression	[16]
Cellular tumor antigen p53 (TP53)	OTIE1VH3	P53_HUMAN	Increases Activity	[17]
Dystrophin (DMD)	OTD21T5J	DMD_HUMAN	Increases Splicing	[18]
Occludin (OCLN)	OTSUTVWL	OCLN_HUMAN	Decreases Activity	[19]
DNA mismatch repair protein Msh2 (MSH2)	OT10H1AB	MSH2_HUMAN	Increases Response To Substance	[20]
ATP-binding cassette sub-family C member 5 (ABCC5)	OT34G4US	MRP5_HUMAN	Decreases Response To Substance	[21]
Caspase-8 (CASP8)	OTA8TVI8	CASP8_HUMAN	Increases Response To Substance	[17]
Baculoviral IAP repeat-containing protein 2 (BIRC2)	OTFXFREP	BIRC2_HUMAN	Decreases Response To Substance	[22]

Indication(s) of Vemurafenib

Disease Entry	ICD 11	Status	REF
Melanoma	2C30	Approved	[6]

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	[2]

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	[25]
Organic anion transporting polypeptide 1B1 (SLCO1B1)	DT3D8F0	SO1B1_HUMAN	Substrate	[26]
Organic anion transporting polypeptide 1B3 (SLCO1B3)	DT9C1TS	SO1B3_HUMAN	Substrate	[26]

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	[27]

Vemurafenib Interacts with 19 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Microphthalmia-associated transcription factor (MITF)	OT6XJCZH	MITF_HUMAN	Affects Expression	[23]
Myc proto-oncogene protein (MYC)	OTPV5LUK	MYC_HUMAN	Decreases Expression	[28]
Cyclin-dependent kinase 4 (CDK4)	OT7EP05T	CDK4_HUMAN	Decreases Expression	[29]
C-C motif chemokine 2 (CCL2)	OTAD2HEL	CCL2_HUMAN	Increases Expression	[30]
G1/S-specific cyclin-D1 (CCND1)	OT8HPTKJ	CCND1_HUMAN	Decreases Expression	[29]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Decreases Phosphorylation	[24]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Decreases Phosphorylation	[24]
CD70 antigen (CD70)	OTHB2AL1	CD70_HUMAN	Decreases Expression	[31]
Prostaglandin G/H synthase 2 (PTGS2)	OT75U9M4	PGH2_HUMAN	Decreases Expression	[29]
Sterol regulatory element-binding protein 1 (SREBF1)	OTWBRPAI	SRBP1_HUMAN	Decreases Expression	[32]
Melanocyte protein PMEL (PMEL)	OTCDDHHM	PMEL_HUMAN	Increases Expression	[23]
Melanoma-associated antigen 1 (MAGEA1)	OTXAO193	MAGA1_HUMAN	Decreases Expression	[23]
Thyroxine 5-deiodinase (DIO3)	OTNTITOT	IOD3_HUMAN	Decreases Expression	[33]
Melanoma antigen recognized by T-cells 1 (MLANA)	OT1N2S2K	MAR1_HUMAN	Increases Expression	[23]
Hypoxia-inducible factor 1-alpha (HIF1A)	OTADSC03	HIF1A_HUMAN	Increases Expression	[30]
GTPase KRas (KRAS)	OT78QCN8	RASK_HUMAN	Affects Response To Substance	[34]
Serine/threonine-protein kinase B-raf (BRAF)	OT7S81XQ	BRAF_HUMAN	Increases Response To Substance	[35]
Heat shock 70 kDa protein 1A (HSPA1A)	OTKGIE76	HS71A_HUMAN	Decreases Response To Substance	[36]
GTPase NRas (NRAS)	OTVQ1DG3	RASN_HUMAN	Affects Response To Substance	[34]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Anaplastic large cell lymphoma	DCG4KXC	SR	Investigative	[1]
Astrocytoma	DCZ73D6	SNB-19	Investigative	[1]
Carcinoma	DC3TE9T	MCF7	Investigative	[37]
Colon carcinoma	DC1VTR3	KM12	Investigative	[37]
Adenocarcinoma	DCCWJMX	DU-145	Investigative	[38]
Adenocarcinoma	DC5OVOO	A549	Investigative	[38]
Cutaneous melanoma	DCDNH67	SK-MEL-5	Investigative	[38]
Minimally invasive lung adenocarcinoma	DCHLB1H	NCI-H322M	Investigative	[38]

References

• [1] 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.
• [2] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [3] Thioguanine FDA Label
• [4] 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: 6845).
• [5] Thiopurine analogs and mycophenolic acid synergistically inhibit the papain-like protease of Middle East respiratory syndrome coronavirus. Antiviral Res. 2015 Mar;115:9-16.
• [6] 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).
• [7] Immune effector cells produce lethal DNA damage in cells treated with a thiopurine. Cancer Res. 2009 Mar 15;69(6):2393-9.
• [8] ABC transporters and their role in nucleoside and nucleotide drug resistance. Biochem Pharmacol. 2012 Apr 15;83(8):1073-83.
• [9] Multidrug resistance protein 4 (MRP4/ABCC4) mediates efflux of bimane-glutathione. Int J Biochem Cell Biol. 2004 Feb;36(2):247-57.
• [10] Involvement of the concentrative nucleoside transporter 3 and equilibrative nucleoside transporter 2 in the resistance of T-lymphoblastic cell lines to thiopurines. Biochem Biophys Res Commun. 2006 Apr 28;343(1):208-15.
• [11] Usefulness of thiopurine methyltransferase and thiopurine metabolite analysis in clinical practice in patients with inflammatory bowel diseases. Acta Gastroenterol Belg. 2010 Jul-Sep;73(3):331-5.
• [12] Qualitative and quantitative difference in mutation induction between carbon- and neon-ion beams in normal human cells. Biol Sci Space. 2003 Dec;17(4):302-6.
• [13] ADReCS-Target: target profiles for aiding drug safety research and application. Nucleic Acids Res. 2018 Jan 4;46(D1):D911-D917. doi: 10.1093/nar/gkx899.
• [14] CRISPR/Cas9-mediated gene knockout screens and target identification via whole-genome sequencing uncover host genes required for picornavirus infection. J Biol Chem. 2017 Jun 23;292(25):10664-10671. doi: 10.1074/jbc.M117.782425. Epub 2017 Apr 26.
• [15] Clinical Pharmacogenetics Implementation Consortium guidelines for thiopurine methyltransferase genotype and thiopurine dosing. Clin Pharmacol Ther. 2011 Mar;89(3):387-91. doi: 10.1038/clpt.2010.320. Epub 2011 Jan 26.
• [16] Petit E, Langouet S, Akhdar H, Nicolas-Nicolaz C, Guillouzo A, Morel F. Differential toxic effects of azathioprine, 6-mercaptopurine and 6-thioguanine on human hepatocytes. Toxicol In Vitro. 2008;22(3):632-642. [PMID: 18222062]
• [17] Important role of caspase-8 for chemosensitivity of ALL cells. Clin Cancer Res. 2011 Dec 15;17(24):7605-13. doi: 10.1158/1078-0432.CCR-11-0513. Epub 2011 Oct 18.
• [18] The effect of 6-thioguanine on alternative splicing and antisense-mediated exon skipping treatment for duchenne muscular dystrophy. PLoS Curr. 2012 Dec 12;4:ecurrents.md.597d700f92eaa70de261ea0d91821377. doi: 10.1371/currents.md.597d700f92eaa70de261ea0d91821377.
• [19] The thiopurine methyltransferase genetic polymorphism is associated with thioguanine-related veno-occlusive disease of the liver in children with acute lymphoblastic leukemia. Clin Pharmacol Ther. 2006 Oct;80(4):375-83. doi: 10.1016/j.clpt.2006.07.002.
• [20] The effect of Msh2 knockdown on methylating agent induced toxicity in DNA glycosylase deficient cells. Toxicology. 2010 Jan 31;268(1-2):111-7. doi: 10.1016/j.tox.2009.12.008. Epub 2009 Dec 16.
• [21] The multidrug resistance protein 5 (ABCC5) confers resistance to 5-fluorouracil and transports its monophosphorylated metabolites. Mol Cancer Ther. 2005 May;4(5):855-63.
• [22] Expression and prognostic significance of IAP-family genes in human cancers and myeloid leukemias. Clin Cancer Res. 2000 May;6(5):1796-803.
• [23] 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.
• [24] 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.
• [25] 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.
• [26] Contribution of OATP1B1 and OATP1B3 to the disposition of sorafenib and sorafenib-glucuronide. Clin Cancer Res. 2013 Mar 15;19(6):1458-66.
• [27] Vemurafenib for the treatment of melanoma. Expert Opin Pharmacother. 2012 Dec;13(17):2533-43.
• [28] Perturbation biology nominates upstream-downstream drug combinations in RAF inhibitor resistant melanoma cells. Elife. 2015 Aug 18;4:e04640. doi: 10.7554/eLife.04640.
• [29] Role of the protein kinase BRAF in the pathogenesis of endometriosis. Expert Opin Ther Targets. 2016 Aug;20(8):1017-29. doi: 10.1080/14728222.2016.1180367. Epub 2016 May 4.
• [30] 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.
• [31] 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.
• [32] Sustained SREBP-1-dependent lipogenesis as a key mediator of resistance to BRAF-targeted therapy. Nat Commun. 2018 Jun 27;9(1):2500. doi: 10.1038/s41467-018-04664-0.
• [33] MAPK and SHH pathways modulate type 3 deiodinase expression in papillary thyroid carcinoma. Endocr Relat Cancer. 2016 Mar;23(3):135-46. doi: 10.1530/ERC-15-0162.
• [34] Paradoxical activation of MEK/ERK signaling induced by B-Raf inhibition enhances DR5 expression and DR5 activation-induced apoptosis in Ras-mutant cancer cells. Sci Rep. 2016 May 25;6:26803. doi: 10.1038/srep26803.
• [35] The BRAFT1799A mutation confers sensitivity of thyroid cancer cells to the BRAFV600E inhibitor PLX4032 (RG7204). Biochem Biophys Res Commun. 2011 Jan 28;404(4):958-62. doi: 10.1016/j.bbrc.2010.12.088. Epub 2010 Dec 23.
• [36] HSP70 Inhibition Limits FAK-Dependent Invasion and Enhances the Response to Melanoma Treatment with BRAF Inhibitors. Cancer Res. 2016 May 1;76(9):2720-30. doi: 10.1158/0008-5472.CAN-15-2137. Epub 2016 Mar 16.
• [37] Biologically active neutrophil chemokine pattern in tonsillitis.Clin Exp Immunol. 2004 Mar;135(3):511-8. doi: 10.1111/j.1365-2249.2003.02390.x.
• [38] 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.