Hidden suppressive interactions are common in higher-order drug combinations.
Hidden suppressive interactions are common in higher-order drug combinations.
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DOI:
10.1016/j.isci.2021.102355
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发表时间:
2021-04-23
期刊:
影响因子:
5.8
通讯作者:
Yeh P
中科院分区:
文献类型:
--
作者:
Lozano-Huntelman NA;Zhou A;Tekin E;Cruz-Loya M;Østman B;Boyd S;Savage VM;Yeh P
The rapid increase of multi-drug resistant bacteria has led to a greater emphasis on multi-drug combination treatments. However, some combinations can be suppressive—that is, bacteria grow faster in some drug combinations than when treated with a single drug. Typically, when studying interactions, the overall effect of the combination is only compared with the single-drug effects. However, doing so could miss “hidden” cases of suppression, which occur when the highest order is suppressive compared with a lower-order combination but not to a single drug. We examined an extensive dataset of 5-drug combinations and all lower-order—single, 2-, 3-, and 4-drug—combinations. We found that a majority of all combinations—54%—contain hidden suppression. Examining hidden interactions is critical to understanding the architecture of higher-order interactions and can substantially affect our understanding and predictions of the evolution of antibiotic resistance under multi-drug treatments. Most instances of suppressive interactions are missed by standard methods A majority (54%) of all antibiotic combinations tested contain hidden suppression Identifying hidden suppression can affect what combinations should be used Microbiology ; Systems Biology
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