*Result*: Inferring germline pharmacogenomics from tumor transcriptome.

Title:
Inferring germline pharmacogenomics from tumor transcriptome.
Authors:
Yang W; Department of Pharmacy and Pharmaceutical Sciences., Wu G; Center for Applied Bioinformatics., Klco JM; Department of Pathology., Nichols KE; Department of Oncology., Jeha S; Department of Oncology.; Department of Global Pediatric Medicine, St. Jude Children's Research Hospital, Memphis, Tennessee., Inaba H; Department of Oncology., Pui CH; Department of Pathology.; Department of Oncology.; Department of Global Pediatric Medicine, St. Jude Children's Research Hospital, Memphis, Tennessee., Bhakta N; Department of Oncology.; Department of Global Pediatric Medicine, St. Jude Children's Research Hospital, Memphis, Tennessee., Broeckel U; RPRD Diagnostics LLC, Milwaukee, Wisconsin, USA., Yang JJ; Department of Pharmacy and Pharmaceutical Sciences.; Department of Oncology., Haidar CE; Department of Pharmacy and Pharmaceutical Sciences.
Source:
Pharmacogenetics and genomics [Pharmacogenet Genomics] 2026 Jan 01; Vol. 36 (1), pp. 1-8. Date of Electronic Publication: 2025 Sep 25.
Publication Type:
Journal Article
Language:
English
Journal Info:
Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 101231005 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1744-6880 (Electronic) Linking ISSN: 17446872 NLM ISO Abbreviation: Pharmacogenet Genomics Subsets: MEDLINE
Imprint Name(s):
Original Publication: Hagerstown, MD : Lippincott Williams & Wilkins, c2005-
References:
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Grant Information:
5P30CA021765-39 National Institute of Health (NIH)
Contributed Indexing:
Keywords: leukemia; pharmacogenetics; pharmacogenomics; sequencing; transcriptome
Substance Nomenclature:
EC 2.1.1.- (Methyltransferases)
EC 3.6.1.- (Pyrophosphatases)
EC 2.6.1.- (NUDT15 protein, human)
EC 2.1.1.67 (TPMT protein, human)
EC 3.6.1.- (Nudix Hydrolases)
Entry Date(s):
Date Created: 20250925 Date Completed: 20251103 Latest Revision: 20260127
Update Code:
20260130
DOI:
10.1097/FPC.0000000000000576
PMID:
40995674
Database:
MEDLINE

*Further Information*

*Objectives: Pharmacogenomic testing is rapidly becoming the standard of care in treating pediatric acute lymphoblastic leukemia (ALL). Risk classification of ALL can be performed through whole transcriptome sequencing (WTS) of diagnostic tumor samples. We evaluated the feasibility of inferring germline pharmacogenomic genotypes from the tumor transcriptome in ALL.
Methods: Transcriptome and paired tumor-germline genome sequencing data were collected from clinical testing at St. Jude Children's Research Hospital. Genotypes for pharmacogenes that are actionable for medications used in the management of pediatric ALL ( TPMT, NUDT15 , and G6PD ) were determined using a rule-based algorithm from transcriptome data. WTS-derived genotype calls were compared with germline genotypes obtained from whole genome sequencing (WGS) and clinical genotyping assays.
Results: Among 650 patients with ALL, 36 (5.5%) patients had somatic copy number loss on chromosomes 6, 13, or X, where TPMT , NUDT15 , and G6PD are located, respectively. For the remaining 614 patients, WTS provided thiopurine dosing guidance by calling both TPMT and NUDT15 diplotypes in 545 patients (83.8%). For G6PD , accurate genotyping was called for 367 male patients. We observed a greater than 99% concordance between tumor WTS and germline WGS diplotypes for all three genes.
Conclusion: The leukemia transcriptome can be used to provide accurate genotyping calls for select germline pharmacogenes actionable in the treatment of pediatric ALL.
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