Details of the Drug Combination

General Information of Drug Combination (ID: DC5UU8V)

• Drug Combination Name: Pyrazinamide + Methoxsalen
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Pyrazinamide (DM4IF32): Small molecular drug
  Methoxsalen (DME8FZ9): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 51.47
  Bliss Independence Score: 51.47
  Loewe Additivity Score: 64.93
  LHighest Single Agent (HSA) Score: 64.95

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Pyrazinamide

Disease Entry	ICD 11	Status	REF
Meningeal tuberculosis	N.A.	Approved	[2]
Mycobacterium infection	1B10-1B21	Approved	[3]
Pulmonary tuberculosis	1B10.Z	Approved	[2]

Pyrazinamide Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Bacterial Fatty acid synthetase I (Bact inhA)	TTVTX4N	INHA_MYCTU	Inhibitor	[7]

Pyrazinamide Interacts with 3 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[8]
Cytochrome P450 1A2 (CYP1A2)	DEJGDUW	CP1A2_HUMAN	Metabolism	[8]
Nicotinamidase (pncA)	DERQS6E	B0VA03_ACIBY	Metabolism	[9]

Pyrazinamide Interacts with 7 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Serine/threonine-protein kinase/endoribonuclease IRE1 (ERN1)	OTY9R6FZ	ERN1_HUMAN	Increases Expression	[6]
Eukaryotic translation initiation factor 2 subunit 1 (EIF2S1)	OTM0GDTP	IF2A_HUMAN	Increases Phosphorylation	[6]
Cyclic AMP-dependent transcription factor ATF-4 (ATF4)	OTRFV19J	ATF4_HUMAN	Increases Expression	[6]
Cyclic AMP-dependent transcription factor ATF-6 alpha (ATF6)	OTAFHAVI	ATF6A_HUMAN	Increases Expression	[6]
DNA damage-inducible transcript 3 protein (DDIT3)	OTI8YKKE	DDIT3_HUMAN	Increases Expression	[6]
Solute carrier family 22 member 12 (SLC22A12)	OT72ZAWS	S22AC_HUMAN	Affects Activity	[10]
Eukaryotic translation initiation factor 2-alpha kinase 3 (EIF2AK3)	OT0DZGY4	E2AK3_HUMAN	Increases Phosphorylation	[6]

Indication(s) of Methoxsalen

Disease Entry	ICD 11	Status	REF
Cutaneous T-cell lymphoma	2B01	Approved	[4]
Primary cutaneous T-cell lymphoma	N.A.	Approved	[5]
Psoriasis vulgaris	EA90	Approved	[4]

Methoxsalen Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 2A6 (CYP2A6)	TTAQ6ZW	CP2A6_HUMAN	Binder	[12]

Methoxsalen Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[13]
Cytochrome P450 2A6 (CYP2A6)	DEJVYAZ	CP2A6_HUMAN	Metabolism	[14]

Methoxsalen Interacts with 9 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cocaine esterase (CES2)	OTC647SQ	EST2_HUMAN	Increases Expression	[13]
Nuclear receptor subfamily 1 group I member 2 (NR1I2)	OTC5U0N5	NR1I2_HUMAN	Increases Activity	[13]
Class E basic helix-loop-helix protein 40 (BHLHE40)	OTITX14U	BHE40_HUMAN	Decreases Expression	[15]
Baculoviral IAP repeat-containing protein 5 (BIRC5)	OTILXZYL	BIRC5_HUMAN	Decreases Expression	[15]
ATP-binding cassette sub-family C member 3 (ABCC3)	OTC3IJV4	MRP3_HUMAN	Increases Expression	[11]
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Increases Expression	[16]
Phosphatidylcholine translocator ABCB4 (ABCB4)	OTE6PY83	MDR3_HUMAN	Decreases Expression	[17]
Nuclear receptor subfamily 0 group B member 2 (NR0B2)	OT7UVICX	NR0B2_HUMAN	Increases Expression	[11]
Broad substrate specificity ATP-binding cassette transporter ABCG2 (ABCG2)	OTW8V2V1	ABCG2_HUMAN	Increases Expression	[16]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125966
• [2] Pyrazinamide FDA Label
• [3] 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: 7287).
• [4] FDA Approved Drug Products from FDA Official Website. 2009. Application Number: (NDA) 009048.
• [5] Methoxsalen FDA Label
• [6] Pyrazinamide-induced hepatotoxicity is alleviated by 4-PBA via inhibition of the PERK-eIF2-ATF4-CHOP pathway. Toxicology. 2017 Mar 1;378:65-75. doi: 10.1016/j.tox.2017.01.002. Epub 2017 Jan 4.
• [7] Pyrazinamide inhibits the eukaryotic-like fatty acid synthetase I (FASI) of Mycobacterium tuberculosis. Nat Med. 2000 Sep;6(9):1043-7.
• [8] The metabolism of pyrazoloacridine (NSC 366140) by cytochromes p450 and flavin monooxygenase in human liver microsomes. Clin Cancer Res. 2004 Feb 15;10(4):1471-80.
• [9] Specificity and mechanism of Acinetobacter baumanii nicotinamidase: implications for activation of the front-line tuberculosis drug pyrazinamide. Angew Chem Int Ed Engl. 2009;48(48):9176-9.
• [10] Clinical and molecular analysis of patients with renal hypouricemia in Japan-influence of URAT1 gene on urinary urate excretion. J Am Soc Nephrol. 2004 Jan;15(1):164-73. doi: 10.1097/01.asn.0000105320.04395.d0.
• [11] Adaptive homeostasis of the vitamin D-vitamin D nuclear receptor axis in 8-methoxypsoralen-induced hepatotoxicity. Toxicol Appl Pharmacol. 2019 Jan 1;362:150-158. doi: 10.1016/j.taap.2018.11.002. Epub 2018 Nov 10.
• [12] Mutagenicity and carcinogenicity of methoxsalen plus UV-A. Arch Dermatol. 1984 May;120(5):662-9.
• [13] Photochemotherapeutic agent 8-methoxypsoralen induces cytochrome P450 3A4 and carboxylesterase HCE2: evidence on an involvement of the pregnane X receptor. Toxicol Sci. 2007 Jan;95(1):13-22.
• [14] Identification of the human cytochrome P450 enzymes involved in the in vitro metabolism of artemisinin. Br J Clin Pharmacol. 1999 Oct;48(4):528-35.
• [15] Down regulation of differentiated embryonic chondrocytes 1 (DEC1) is involved in 8-methoxypsoralen-induced apoptosis in HepG2 cells. Toxicology. 2012 Nov 15;301(1-3):58-65. doi: 10.1016/j.tox.2012.06.022. Epub 2012 Jul 11.
• [16] ABC-transporter blockage mediated by xanthotoxin and bergapten is the major pathway for chemosensitization of multidrug-resistant cancer cells. Toxicol Appl Pharmacol. 2017 Dec 15;337:22-29. doi: 10.1016/j.taap.2017.10.018. Epub 2017 Oct 25.
• [17] 8-Methoxypsoralen disrupts MDR3-mediated phospholipids efflux and bile acid homeostasis and its relevance to hepatotoxicity. Toxicology. 2017 Jul 1;386:40-48. doi: 10.1016/j.tox.2017.05.011. Epub 2017 May 24.