# Expression of Concern: Ubiquitination and Degradation of Ribonucleotide Reductase M1 by the Polycomb Group Proteins RNF2 and Bmi1 and Cellular Response to Gemcitabine

PMC · DOI: 10.1371/journal.pone.0335988 · 2025-11-04

## Full-text entities

- **Genes:** BMI1 (BMI1 proto-oncogene, polycomb ring finger) [NCBI Gene 648] {aka FLVI2/BMI1, PCGF4, RNF51, flvi-2/bmi-1}, RNF2 (ring finger protein 2) [NCBI Gene 6045] {aka BAP-1, BAP1, DING, HIPI3, LUSYAM, RING1B}
- **Chemicals:** Gemcitabine (MESH:D000093542)

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Source: https://tomesphere.com/paper/PMC12585005