Details of the Drug Combination

General Information of Drug Combination (ID: DCPBH9K)

• Drug Combination Name: Letrozole + Busulfan
• Indication: Astrocytoma; Status: Investigative [1]
• Component Drugs:
  Letrozole (DMH07Y3): Small molecular drug
  Busulfan (DMXYJ9C): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: U251
  Zero Interaction Potency (ZIP) Score: 4.47
  Bliss Independence Score: 8.83
  Loewe Additivity Score: 8.75
  LHighest Single Agent (HSA) Score: 7.82

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Letrozole

Disease Entry	ICD 11	Status	REF
Estrogen-receptor positive breast cancer	N.A.	Approved	[2]
Hormonally-responsive breast cancer	2C60-2C65	Approved	[3]

Letrozole Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Aromatase (CYP19A1)	TTSZLWK	CP19A_HUMAN	Inhibitor	[6]

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	[7]
Aromatase (CYP19A1)	DEQX145	CP19A_HUMAN	Metabolism	[8]
Cytochrome P450 2A6 (CYP2A6)	DEJVYAZ	CP2A6_HUMAN	Metabolism	[9]

Letrozole Interacts with 18 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Aromatase (CYP19A1)	OTZ6XF74	CP19A_HUMAN	Decreases Activity	[10]
Cytochrome P450 3A4 (CYP3A4)	OTQGYY83	CP3A4_HUMAN	Increases Oxidation	[11]
Cytochrome P450 2A6 (CYP2A6)	OT52TWG3	CP2A6_HUMAN	Increases Oxidation	[11]
Adenylate kinase isoenzyme 1 (AK1)	OT614AR3	KAD1_HUMAN	Increases ADR	[12]
Dickkopf-related protein 1 (DKK1)	OTRDLUSP	DKK1_HUMAN	Increases Expression	[13]
Follitropin subunit beta (FSHB)	OTGLS283	FSHB_HUMAN	Increases Expression	[14]
Lutropin subunit beta (LHB)	OT5GBOVJ	LSHB_HUMAN	Increases Expression	[14]
Progesterone receptor (PGR)	OT0FZ3QE	PRGR_HUMAN	Decreases Expression	[15]
Leukemia inhibitory factor (LIF)	OTO46S5S	LIF_HUMAN	Increases Expression	[13]
Gap junction alpha-1 protein (GJA1)	OTT94MKL	CXA1_HUMAN	Decreases Expression	[16]
G1/S-specific cyclin-D1 (CCND1)	OT8HPTKJ	CCND1_HUMAN	Decreases Expression	[17]
G1/S-specific cyclin-D2 (CCND2)	OTDULQF9	CCND2_HUMAN	Decreases Expression	[17]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Increases Expression	[18]
Leukemia inhibitory factor receptor (LIFR)	OT36W9O5	LIFR_HUMAN	Increases Expression	[13]
Proliferation marker protein Ki-67 (MKI67)	OTA8N1QI	KI67_HUMAN	Decreases Expression	[15]
Small ribosomal subunit protein eS6 (RPS6)	OTT4D1LN	RS6_HUMAN	Decreases Phosphorylation	[17]
Lanosterol 14-alpha demethylase (CYP51A1)	OTAYHG9C	CP51A_HUMAN	Decreases Activity	[19]
Fibroblast growth factor 22 (FGF22)	OTVIX6J0	FGF22_HUMAN	Increases Expression	[13]

Indication(s) of Busulfan

Disease Entry	ICD 11	Status	REF
Chronic myelogenous leukaemia	2A20.0	Approved	[4]
Hematologic disease	3C0Z	Approved	[4]
Immunodeficiency	4A00-4A85	Approved	[4]
Leukemia	N.A.	Approved	[4]
Myeloproliferative syndrome	2A22	Approved	[5]
Systemic lupus erythematosus	4A40.0	Approved	[4]
Systemic sclerosis	4A42	Approved	[4]
Neuroblastoma	2D11.2	Investigative	[4]
Retinoblastoma	2D02.2	Investigative	[4]

Busulfan Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Human Deoxyribonucleic acid (hDNA)	TTUTN1I	NOUNIPROTAC	Modulator	[21]

Busulfan Interacts with 6 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[22]
Glutathione S-transferase alpha-1 (GSTA1)	DE4ZHS1	GSTA1_HUMAN	Metabolism	[23]
Glutathione S-transferase alpha-2 (GSTA2)	DEH49YS	GSTA2_HUMAN	Metabolism	[24]
Glutathione S-transferase pi (GSTP1)	DEK6079	GSTP1_HUMAN	Metabolism	[25]
Microsomal glutathione S-transferase 2 (MGST2)	DE31KMQ	MGST2_HUMAN	Metabolism	[26]
Glutathione S-transferase mu-1 (GSTM1)	DEYZEJA	GSTM1_HUMAN	Metabolism	[25]

Busulfan Interacts with 34 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Glutathione S-transferase P (GSTP1)	OTLP0A0Y	GSTP1_HUMAN	Affects Abundance	[27]
Glutathione S-transferase Mu 1 (GSTM1)	OTSBF2MO	GSTM1_HUMAN	Affects Abundance	[27]
Microsomal glutathione S-transferase 2 (MGST2)	OT4UGTDO	MGST2_HUMAN	Decreases Response To Substance	[26]
Glutathione S-transferase A1 (GSTA1)	OTA7K5XA	GSTA1_HUMAN	Decreases Response To Substance	[28]
Serotransferrin (TF)	OT41PEMS	TRFE_HUMAN	Increases Expression	[29]
Inhibin beta A chain (INHBA)	OTSP64PQ	INHBA_HUMAN	Increases Expression	[29]
Prostaglandin G/H synthase 2 (PTGS2)	OT75U9M4	PGH2_HUMAN	Increases Expression	[29]
Antithrombin-III (SERPINC1)	OTDFATG0	ANT3_HUMAN	Affects Expression	[30]
Transforming growth factor beta-1 proprotein (TGFB1)	OTV5XHVH	TGFB1_HUMAN	Increases Expression	[31]
Tumor necrosis factor (TNF)	OT4IE164	TNFA_HUMAN	Increases Expression	[31]
Cellular tumor antigen p53 (TP53)	OTIE1VH3	P53_HUMAN	Increases Expression	[20]
Cytochrome P450 1A1 (CYP1A1)	OTE4EFH8	CP1A1_HUMAN	Decreases Activity	[32]
Plasminogen activator inhibitor 1 (SERPINE1)	OTT0MPQ3	PAI1_HUMAN	Increases Expression	[31]
Thrombospondin-1 (THBS1)	OT0ECWK3	TSP1_HUMAN	Increases Expression	[31]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[33]
Tissue factor pathway inhibitor (TFPI)	OTA0FX16	TFPI1_HUMAN	Decreases Expression	[31]
Histone H2AX (H2AX)	OT18UX57	H2AX_HUMAN	Increases Phosphorylation	[33]
Cyclic AMP-dependent transcription factor ATF-4 (ATF4)	OTRFV19J	ATF4_HUMAN	Increases Expression	[20]
Nuclear factor NF-kappa-B p105 subunit (NFKB1)	OTNRRD8I	NFKB1_HUMAN	Increases Expression	[20]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Increases Activity	[34]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Increases Activity	[34]
Aryl hydrocarbon receptor (AHR)	OTFE4EYE	AHR_HUMAN	Increases Expression	[20]
Peroxisome proliferator-activated receptor gamma (PPARG)	OTHMARHO	PPARG_HUMAN	Affects Expression	[20]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Increases Expression	[34]
Signal transducer and activator of transcription 1-alpha/beta (STAT1)	OTLMBUZ6	STAT1_HUMAN	Affects Expression	[20]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Activity	[35]
Signal transducer and activator of transcription 2 (STAT2)	OTO9G2RZ	STAT2_HUMAN	Decreases Expression	[20]
Caspase-8 (CASP8)	OTA8TVI8	CASP8_HUMAN	Increases Activity	[33]
Metal regulatory transcription factor 1 (MTF1)	OTJWVLLF	MTF1_HUMAN	Decreases Expression	[20]
Nuclear factor erythroid 2-related factor 2 (NFE2L2)	OT0HENJ5	NF2L2_HUMAN	Increases Expression	[20]
Hypoxia-inducible factor 1-alpha (HIF1A)	OTADSC03	HIF1A_HUMAN	Increases Expression	[20]
Pseudouridylate synthase 7 homolog (PUS7)	OTE5AQHJ	PUS7_HUMAN	Increases Expression	[36]
DNA repair nuclease/redox regulator APEX1 (APEX1)	OT53OI14	APEX1_HUMAN	Increases Response To Substance	[37]
Rho GDP-dissociation inhibitor 1 (ARHGDIA)	OTEXWJDO	GDIR1_HUMAN	Affects Response To Substance	[35]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Adenocarcinoma	DCC7KQW	DU-145	Investigative	[1]
Adenocarcinoma	DC24Y5I	HCT-15	Investigative	[1]
Amelanotic melanoma	DC24BHY	MDA-MB-435	Investigative	[1]
Anaplastic large cell lymphoma	DCTPM83	SR	Investigative	[1]
Clear cell renal cell carcinoma	DCPHO3Y	786-0	Investigative	[1]
Glioblastoma	DCHDR52	SNB-75	Investigative	[1]
Glioma	DC3OQXC	SF-268	Investigative	[1]
Large cell lung carcinoma	DCX9F86	NCI-H460	Investigative	[1]
Lung adenocarcinoma	DCCBWRL	MDA-MB-231	Investigative	[1]
Malignant melanoma	DCW8A0O	LOX IMVI	Investigative	[1]
Pleural epithelioid mesothelioma	DCDGV8Q	NCI-H226	Investigative	[1]

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