E2F transcription factor 1 mRNA (E2F1 mRNA)

E2F transcription factor 1 (E2F1) mRNA is the messenger RNA transcript that encodes the E2F1 protein, a master regulator of the cell cycle, particularly the G1/S phase transition (Wikipedia, 2024; NIH, 2026). It plays a pivotal role in coordinating DNA synthesis, cell proliferation, and apoptosis, often acting in concert with the retinoblastoma protein (pRb) (PNAS, 2002; NIH, 2026). In many human malignancies, including lung, breast, and colorectal cancers, E2F1 mRNA is significantly overexpressed, which correlates with poor prognosis and resistance to conventional therapies (NIH, 2020; Frontiers, 2024). This overexpression makes E2F1 mRNA an attractive target for gene-silencing technologies such as small interfering RNAs (siRNAs) and antisense oligonucleotides (ASOs) (NIH, 2014; ResearchGate, 2020). Beyond its oncogenic roles, E2F1 mRNA is involved in metabolic regulation, where its dysregulation is linked to obesity and type 2 diabetes (NIH, 2020; NIH, 2021). Therapeutic strategies targeting this mRNA aim to reduce E2F1 protein levels to arrest tumor growth or induce programmed cell death (AACR, 2015; NIH, 2022). However, the target's essential function in normal cell cycle progression and its complex role in metabolism pose significant challenges for achieving therapeutic selectivity and minimizing systemic toxicity (NIH, 2020; ResearchGate, 2020).

Other names

E2F-1 mRNARBAP-1 mRNARBBP3 mRNAPBR3 mRNARetinoblastoma-associated protein 1 mRNARetinoblastoma-binding protein 3 mRNA

RNA interference (RNAi), antisense-mediated mRNA degradation, transcriptional inhibition, and inhibition of encoded protein activity.