Details of the Drug Combination

General Information of Drug Combination (ID: DCBH8D7)

• Drug Combination Name: Estramustine + 10-hydroxycamptothecin
• Indication: Adenocarcinoma; Status: Investigative [1]
• Component Drugs:
  Estramustine (DMWTAOI): Small molecular drug
  10-hydroxycamptothecin (DM9WLN4): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: SW-620
  Zero Interaction Potency (ZIP) Score: 0.65
  Bliss Independence Score: 4.67
  Loewe Additivity Score: 0.52
  LHighest Single Agent (HSA) Score: 4.53

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Estramustine

Disease Entry	ICD 11	Status	REF
Prostate cancer	2C82.0	Approved	[2]

Estramustine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Estramustine binding protein (EMBP)	TTSBFYK	NOUNIPROTAC	Binder	[4]

Estramustine Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[5]

Estramustine Interacts with 2 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Keratin, type I cytoskeletal 18 (KRT18)	OTVLQFIP	K1C18_HUMAN	Increases Expression	[6]
Apoptosis regulator Bcl-2 (BCL2)	OT9DVHC0	BCL2_HUMAN	Increases Phosphorylation	[7]

Indication(s) of 10-hydroxycamptothecin

Disease Entry	ICD 11	Status	REF
Discovery agent	N.A.	Investigative	[3]

10-hydroxycamptothecin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
DNA topoisomerase I (TOP1)	TTGTQHC	TOP1_HUMAN	Inhibitor	[3]

10-hydroxycamptothecin Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Multidrug resistance-associated protein 4 (ABCC4)	DTCSGPB	MRP4_HUMAN	Substrate	[8]

10-hydroxycamptothecin Interacts with 3 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Apoptosis regulator Bcl-2 (BCL2)	OT9DVHC0	BCL2_HUMAN	Decreases Response To Substance	[9]
E3 ubiquitin-protein ligase Mdm2 (MDM2)	OTOVXARF	MDM2_HUMAN	Affects Response To Substance	[10]
Bcl-2-like protein 1 (BCL2L1)	OTRC5K9O	B2CL1_HUMAN	Decreases Response To Substance	[9]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Anaplastic large cell lymphoma	DC36IO0	SR	Investigative	[11]
Breast adenocarcinoma	DCZVNDY	MDA-MB-468	Investigative	[12]

References

• [1] 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.
• [2] Natural products as sources of new drugs over the last 25 years. J Nat Prod. 2007 Mar;70(3):461-77.
• [3] Upregulation of p21WAF1/CIP1 in human breast cancer cell lines MCF-7 and MDA-MB-468 undergoing apoptosis induced by natural product anticancer drugs 10-hydroxycamptothecin and camptothecin through p53-dependent and independent pathways. Int J Oncol. 1998 Apr;12(4):793-804.
• [4] Estramustine binding protein in primary tumours and metastases of malignant melanoma. Melanoma Res. 1994 Dec;4(6):401-5.
• [5] Activity of docetaxel with or without estramustine phosphate versus mitoxantrone in androgen dependent and independent human prostate cancer xenografts. J Urol. 2003 May;169(5):1729-34.
• [6] Docetaxel induces apoptosis in hormone refractory prostate carcinomas during multiple treatment cycles. Br J Cancer. 2006 Jun 5;94(11):1592-8. doi: 10.1038/sj.bjc.6603129.
• [7] Induction of apoptosis by estramustine phosphate mediated by phosphorylation of bcl-2. J Neurooncol. 2001 Aug;54(1):23-9. doi: 10.1023/a:1012566601485.
• [8] Human intestinal transporter database: QSAR modeling and virtual profiling of drug uptake, efflux and interactions. Pharm Res. 2013 Apr;30(4):996-1007.
• [9] siRNA-mediated Bcl-2 and Bcl-xl gene silencing sensitizes human hepatoblastoma cells to chemotherapeutic drugs. Clin Exp Pharmacol Physiol. 2007 May-Jun;34(5-6):450-6. doi: 10.1111/j.1440-1681.2007.04593.x.
• [10] Antisense therapy targeting MDM2 oncogene in prostate cancer: Effects on proliferation, apoptosis, multiple gene expression, and chemotherapy. Proc Natl Acad Sci U S A. 2003 Sep 30;100(20):11636-41. doi: 10.1073/pnas.1934692100. Epub 2003 Sep 16.
• [11] 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.
• [12] 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.