Tumor necrosis factor alpha messenger RNA (TNFα mRNA)

Tumor necrosis factor alpha (TNFα) messenger RNA is the ribonucleic acid transcript that serves as the template for the synthesis of the TNFα protein, a central mediator of the mammalian immune response. Produced primarily by activated macrophages and T-cells, this mRNA is rapidly upregulated in response to inflammatory stimuli, leading to the secretion of the pro-inflammatory TNFα cytokine (PubMed: 16461134). Overexpression or dysregulation of TNFα mRNA is a primary driver in the pathogenesis of chronic autoimmune disorders such as rheumatoid arthritis and inflammatory bowel disease (NIH: PMC3092143). By targeting the mRNA transcript using antisense oligonucleotides (ASOs) or small interfering RNAs (siRNAs), therapeutic interventions aim to silence the production of the cytokine at the pre-translational level. This approach offers a distinct mechanism compared to monoclonal antibodies, which target the circulating protein, potentially allowing for more localized or sustained suppression of inflammation. Current research focuses on improving the delivery of these nucleic acid-based drugs to specific immune cells while minimizing systemic off-target effects.

Other names

TNF-alpha mRNATNFA mRNACachectin mRNATumor necrosis factor messenger RNATNF-α transcript

Antisense-mediated degradation via RNase H, RNA interference (RNAi) via the RISC complex, or translation inhibition to prevent the synthesis of the TNFα protein.