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2017 ; 9
(ä): 16
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Predicting drug-drug interactions through drug structural similarities and
interaction networks incorporating pharmacokinetics and pharmacodynamics
knowledge
#MMPMID28316654
Takeda T
; Hao M
; Cheng T
; Bryant SH
; Wang Y
J Cheminform
2017[]; 9
(ä): 16
PMID28316654
show ga
Drug-drug interactions (DDIs) may lead to adverse effects and potentially result
in drug withdrawal from the market. Predicting DDIs during drug development would
help reduce development costs and time by rigorous evaluation of drug candidates.
The primary mechanisms of DDIs are based on pharmacokinetics (PK) and
pharmacodynamics (PD). This study examines the effects of 2D structural
similarities of drugs on DDI prediction through interaction networks including
both PD and PK knowledge. Our assumption was that a query drug (Dq) and a drug to
be examined (De) likely have DDI if the drugs in the interaction network of De
are structurally similar to Dq. A network of De describes the associations
between the drugs and the proteins relating to PK and PD for De. These include
target proteins, proteins interacting with target proteins, enzymes, and
transporters for De. We constructed logistic regression models for DDI prediction
using only 2D structural similarities between each Dq and the drugs in the
network of De. The results indicated that our models could effectively predict
DDIs. It was found that integrating structural similarity scores of the drugs
relating to both PK and PD of De was crucial for model performance. In
particular, the combination of the target- and enzyme-related scores provided the
largest increase of the predictive power.Graphical abstract.