PR domain zinc finger protein 4 (PRDM4) (PRDM4)

PR domain zinc finger protein 4 (PRDM4), also known as PFM1 or SC-1, is a transcription factor that plays a pivotal role in cell cycle progression and cellular differentiation (UniProt: Q9UKN5). It is characterized by a PR domain, which is evolutionarily related to the SET domain found in histone methyltransferases, and multiple zinc finger motifs that facilitate DNA binding and protein-protein interactions (PubMed: 11051545). PRDM4 is particularly significant in the central nervous system, where it regulates the proliferation of neural stem cells and their transition to a differentiated state (PubMed: 23934138). In oncology, PRDM4 often functions as a tumor suppressor; for instance, it interacts with p53 to induce cell cycle arrest in response to specific signaling pathways, and its downregulation is observed in several cancers, including ovarian and lung malignancies (PubMed: 11051545). Furthermore, PRDM4 has been identified as a regulator of metabolic health, specifically through its involvement in the thermogenic gene program of brown and beige adipose tissue (PubMed: 27603874). While its mRNA is a potential target for RNA-based therapeutics such as antisense oligonucleotides (ASOs) or siRNA to modulate protein levels in disease states, there are currently no small molecules or biologics in clinical development that specifically target PRDM4.

Other names

PFM1SC-1PR-domain-containing protein 4PR domain-containing protein 4

Transcriptional regulation via recruitment of chromatin-remodeling complexes and direct DNA binding.