Inder Verma had been on leave from PNAS since December after three female scientists at the Salk Institute filed a lawsuit claiming gender discrimination.
The panel is designed to measure genetic markers in whole-blood samples in order to predict which patients are likely to experience a severe, relapsing form of the disease.
Scientists have sequenced more than 2,700 distinct strains from the National Collection of Type Cultures, a non-profit biorepository run by Public Health England.
Investigators saw muted negative selection against mutations in genomic data for more than 7,600 tumors, while mining positive selection patterns for cancer driver clues.
Researchers saw mismatch repair-related mutations in a significant subset of breast cancers, hinting at potential response to checkpoint blockade immunotherapy.
President Joe Biden is seeking an increase in federal spending, including higher budgets for the National Institutes of Health and Centers for Disease Control and Prevention.