Abstract:
:Drug-induced liver injury (DILI) is a leading cause of termination in drug development programs and removal of drugs from the market; this is partially due to the inability to identify patients who are at risk1. In this study, we developed a polygenic risk score (PRS) for DILI by aggregating effects of numerous genome-wide loci identified from previous large-scale genome-wide association studies2. The PRS predicted the susceptibility to DILI in patients treated with fasiglifam, amoxicillin-clavulanate or flucloxacillin and in primary hepatocytes and stem cell-derived organoids from multiple donors treated with over ten different drugs. Pathway analysis highlighted processes previously implicated in DILI, including unfolded protein responses and oxidative stress. In silico screening identified compounds that elicit transcriptomic signatures present in hepatocytes from individuals with elevated PRS, supporting mechanistic links and suggesting a novel screen for safety of new drug candidates. This genetic-, cellular-, organoid- and human-scale evidence underscored the polygenic architecture underlying DILI vulnerability at the level of hepatocytes, thus facilitating future mechanistic studies. Moreover, the proposed 'polygenicity-in-a-dish' strategy might potentially inform designs of safer, more efficient and robust clinical trials.
journal_name
Nat Medjournal_title
Nature medicineauthors
Koido M,Kawakami E,Fukumura J,Noguchi Y,Ohori M,Nio Y,Nicoletti P,Aithal GP,Daly AK,Watkins PB,Anayama H,Dragan Y,Shinozawa T,Takebe Tdoi
10.1038/s41591-020-1023-0subject
Has Abstractpub_date
2020-10-01 00:00:00pages
1541-1548issue
10eissn
1078-8956issn
1546-170Xpii
10.1038/s41591-020-1023-0journal_volume
26pub_type
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