Details of the Drug Combination

General Information of Drug Combination (ID: DCBBQLP)

• Drug Combination Name: Pyrazinamide + Tiagabine
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Pyrazinamide (DM4IF32): Small molecular drug
  Tiagabine (DMKSQG0): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 5.4
  Bliss Independence Score: 5.4
  Loewe Additivity Score: 7.77
  LHighest Single Agent (HSA) Score: 7.77

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	[6]

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	[7]
Cytochrome P450 1A2 (CYP1A2)	DEJGDUW	CP1A2_HUMAN	Metabolism	[7]
Nicotinamidase (pncA)	DERQS6E	B0VA03_ACIBY	Metabolism	[8]

Pyrazinamide Interacts with 9 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	[5]
Eukaryotic translation initiation factor 2 subunit 1 (EIF2S1)	OTM0GDTP	IF2A_HUMAN	Increases Phosphorylation	[5]
Endoplasmic reticulum chaperone BiP (HSPA5)	OTFUIRAO	BIP_HUMAN	Increases Expression	[5]
Cyclic AMP-dependent transcription factor ATF-4 (ATF4)	OTRFV19J	ATF4_HUMAN	Increases Expression	[5]
Cyclic AMP-dependent transcription factor ATF-6 alpha (ATF6)	OTAFHAVI	ATF6A_HUMAN	Increases Expression	[5]
DNA damage-inducible transcript 3 protein (DDIT3)	OTI8YKKE	DDIT3_HUMAN	Increases Expression	[5]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Cleavage	[5]
Solute carrier family 22 member 12 (SLC22A12)	OT72ZAWS	S22AC_HUMAN	Affects Activity	[9]
Eukaryotic translation initiation factor 2-alpha kinase 3 (EIF2AK3)	OT0DZGY4	E2AK3_HUMAN	Increases Phosphorylation	[5]

Indication(s) of Tiagabine

Disease Entry	ICD 11	Status	REF
Epilepsy	8A60-8A68	Approved	[4]
Anxiety disorder	6B00-6B0Z	Phase 2	[4]

Tiagabine Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Gamma-aminobutyric acid uptake (GABAU)	TTV9MQG	NOUNIPROTAC	Inhibitor	[10]
GABA transporter GAT-1 (SLC6A1)	TTPRKM0	SC6A1_HUMAN	Inhibitor	[11]

Tiagabine Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[12]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[13]

Tiagabine Interacts with 2 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Aromatase (CYP19A1)	OTZ6XF74	CP19A_HUMAN	Decreases Activity	[14]
Sodium- and chloride-dependent GABA transporter 1 (SLC6A1)	OTLCJJF3	SC6A1_HUMAN	Decreases Activity	[15]

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] 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] 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: 4818).
• [5] 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.
• [6] Pyrazinamide inhibits the eukaryotic-like fatty acid synthetase I (FASI) of Mycobacterium tuberculosis. Nat Med. 2000 Sep;6(9):1043-7.
• [7] 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.
• [8] 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.
• [9] 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.
• [10] Glutamate- and GABA-based CNS therapeutics. Curr Opin Pharmacol. 2006 Feb;6(1):7-17.
• [11] 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. (Target id: 929).
• [12] Enzyme induction and inhibition by new antiepileptic drugs: a review of human studies. Fundam Clin Pharmacol. 2000 Jul-Aug;14(4):301-19.
• [13] Actual and Predicted Pharmacokinetic Interactions Between Anticonvulsants and Antiretrovirals.
• [14] Inhibition of human aromatase complex (CYP19) by antiepileptic drugs. Toxicol In Vitro. 2008 Feb;22(1):146-53.
• [15] GABA transporter deficiency causes tremor, ataxia, nervousness, and increased GABA-induced tonic conductance in cerebellum. J Neurosci. 2005 Mar 23;25(12):3234-45. doi: 10.1523/JNEUROSCI.3364-04.2005.