MicroRNA 4328 (MIR4328)

MicroRNA 4328 is a member of the microRNA class—short (20-24 nucleotides), non-coding RNAs involved in fine-tuning gene expression post-transcriptionally. Like other microRNAs, MIR4328 is transcribed as a primary transcript, processed by Drosha and Dicer enzymes, and then incorporated into the RNA-induced silencing complex (RISC). It has been shown to be downregulated in aggressive prostate cancer bone metastases, and its overexpression in prostate cancer cell lines results in suppressed cell growth, indicating a tumor suppressor function. Additionally, MIR4328 is upregulated in cataract lens epithelial cells and promotes apoptosis by targeting NAIP. If more detailed molecular mechanism or information on drug interactions with MIR4328 becomes available, structured approaches for microRNA-targeting therapies in cancer and eye diseases may emerge. Currently, MIR4328 is best described as a biomarker candidate and a potential target for research in disease modulation, especially in oncology and ophthalmology.

Other names

hsa-mir-4328MIR4328microRNA 4328

Inhibits gene expression by binding to target mRNAs, leading to translational inhibition or mRNA destabilization. Specific action identified: promotes apoptosis by targeting NAIP and suppressing its expression in lens epithelial cells.