Details of the Drug Combination

General Information of Drug Combination (ID: DC0ABS5)

• Drug Combination Name: Thioguanine + Letrozole
• Indication: Plasma cell myeloma; Status: Investigative [1]
• Component Drugs:
  Thioguanine (DM7NKEV): Small molecular drug
  Letrozole (DMH07Y3): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: RPMI-8226
  Zero Interaction Potency (ZIP) Score: 5.25
  Bliss Independence Score: 9.08
  Loewe Additivity Score: 0.65
  LHighest Single Agent (HSA) Score: 5.62

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	[8]
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	[9]
Multidrug resistance-associated protein 4 (ABCC4)	DTCSGPB	MRP4_HUMAN	Substrate	[10]
Concentrative Na(+)-nucleoside cotransporter 3 (SLC28A3)	DT4YL5R	S28A3_HUMAN	Substrate	[11]

Thioguanine Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Thiopurine methyltransferase (TPMT)	DEFQ8VO	TPMT_HUMAN	Metabolism	[12]
Hypoxanthine phosphoribosyltransferase (HPRT1)	DEVXTP5	HPRT_HUMAN	Metabolism	[13]

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	[14]
Hypoxanthine-guanine phosphoribosyltransferase (HPRT1)	OTOEEEXG	HPRT_HUMAN	Decreases Response To Substance	[15]
Thiopurine S-methyltransferase (TPMT)	OTFOX70W	TPMT_HUMAN	Increases ADR	[16]
Inosine-5'-monophosphate dehydrogenase 2 (IMPDH2)	OTPG0K7E	IMDH2_HUMAN	Increases Expression	[17]
Cellular tumor antigen p53 (TP53)	OTIE1VH3	P53_HUMAN	Increases Activity	[18]
Dystrophin (DMD)	OTD21T5J	DMD_HUMAN	Increases Splicing	[19]
Occludin (OCLN)	OTSUTVWL	OCLN_HUMAN	Decreases Activity	[20]
DNA mismatch repair protein Msh2 (MSH2)	OT10H1AB	MSH2_HUMAN	Increases Response To Substance	[21]
ATP-binding cassette sub-family C member 5 (ABCC5)	OT34G4US	MRP5_HUMAN	Decreases Response To Substance	[22]
Caspase-8 (CASP8)	OTA8TVI8	CASP8_HUMAN	Increases Response To Substance	[18]
Baculoviral IAP repeat-containing protein 2 (BIRC2)	OTFXFREP	BIRC2_HUMAN	Decreases Response To Substance	[23]

Indication(s) of Letrozole

Disease Entry	ICD 11	Status	REF
Estrogen-receptor positive breast cancer	N.A.	Approved	[6]
Hormonally-responsive breast cancer	2C60-2C65	Approved	[7]

Letrozole Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Aromatase (CYP19A1)	TTSZLWK	CP19A_HUMAN	Inhibitor	[24]

Letrozole Interacts with 3 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[25]
Aromatase (CYP19A1)	DEQX145	CP19A_HUMAN	Metabolism	[26]
Cytochrome P450 2A6 (CYP2A6)	DEJVYAZ	CP2A6_HUMAN	Metabolism	[27]

Letrozole Interacts with 18 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Aromatase (CYP19A1)	OTZ6XF74	CP19A_HUMAN	Decreases Activity	[28]
Cytochrome P450 3A4 (CYP3A4)	OTQGYY83	CP3A4_HUMAN	Increases Oxidation	[29]
Cytochrome P450 2A6 (CYP2A6)	OT52TWG3	CP2A6_HUMAN	Increases Oxidation	[29]
Adenylate kinase isoenzyme 1 (AK1)	OT614AR3	KAD1_HUMAN	Increases ADR	[14]
Dickkopf-related protein 1 (DKK1)	OTRDLUSP	DKK1_HUMAN	Increases Expression	[30]
Follitropin subunit beta (FSHB)	OTGLS283	FSHB_HUMAN	Increases Expression	[31]
Lutropin subunit beta (LHB)	OT5GBOVJ	LSHB_HUMAN	Increases Expression	[31]
Progesterone receptor (PGR)	OT0FZ3QE	PRGR_HUMAN	Decreases Expression	[32]
Leukemia inhibitory factor (LIF)	OTO46S5S	LIF_HUMAN	Increases Expression	[30]
Gap junction alpha-1 protein (GJA1)	OTT94MKL	CXA1_HUMAN	Decreases Expression	[33]
G1/S-specific cyclin-D1 (CCND1)	OT8HPTKJ	CCND1_HUMAN	Decreases Expression	[34]
G1/S-specific cyclin-D2 (CCND2)	OTDULQF9	CCND2_HUMAN	Decreases Expression	[34]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Increases Expression	[35]
Leukemia inhibitory factor receptor (LIFR)	OT36W9O5	LIFR_HUMAN	Increases Expression	[30]
Proliferation marker protein Ki-67 (MKI67)	OTA8N1QI	KI67_HUMAN	Decreases Expression	[32]
Small ribosomal subunit protein eS6 (RPS6)	OTT4D1LN	RS6_HUMAN	Decreases Phosphorylation	[34]
Lanosterol 14-alpha demethylase (CYP51A1)	OTAYHG9C	CP51A_HUMAN	Decreases Activity	[36]
Fibroblast growth factor 22 (FGF22)	OTVIX6J0	FGF22_HUMAN	Increases Expression	[30]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Invasive ductal carcinoma	DCOCZU8	HS 578T	Investigative	[37]
Adenocarcinoma	DCOT3OH	NCIH23	Investigative	[38]
Adenocarcinoma	DCT9XYE	SW-620	Investigative	[38]
Adenocarcinoma	DCCL7S4	HCT-15	Investigative	[38]
Adenocarcinoma	DC8R2SI	HCT116	Investigative	[38]
Prostate carcinoma	DC1VLTX	PC-3	Investigative	[38]

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