Interleukin-4 messenger RNA (IL-4 mRNA) (IL-4 mRNA)

Interleukin-4 messenger RNA (IL-4 mRNA) is the transcript of the IL4 gene and serves as the template for the synthesis of the Interleukin-4 cytokine, a key driver of Th2-mediated immune responses [UniProt P05112]. IL-4 is essential for the differentiation of naive T cells into Th2 cells and for inducing B-cell class switching to IgE, making it a central player in allergic inflammation [PMID: 10485649]. Overexpression of IL-4 mRNA is a hallmark of conditions such as asthma, atopic dermatitis, and allergic rhinitis. As a therapeutic target, IL-4 mRNA is addressed using nucleic acid-based strategies like antisense oligonucleotides (ASOs) and small interfering RNAs (siRNAs) [PMID: 15546708]. These molecules bind to the mRNA sequence to induce its degradation or block translation, thereby reducing the production of the IL-4 protein at its source. This approach offers a potential alternative to monoclonal antibodies by silencing the cytokine before it is secreted into the extracellular environment. Despite therapeutic potential, challenges include ensuring stable delivery to target tissues like the lungs and avoiding non-specific immune activation. Clinical candidates like ISIS 125374 have explored this mechanism to treat respiratory inflammation.

Other names

IL4 mRNAB-cell stimulatory factor 1 mRNABSF-1 mRNAB-cell growth factor 1 mRNABCGF-1 mRNA

Antisense-mediated mRNA degradation via RNase H or RNA interference (RNAi) leading to reduced translation of Interleukin-4 protein [PMID: 15546708].