Long intergenic non-protein coding RNA 458 (LINC00458)

Long intergenic non-protein coding RNA 458 (LINC00458) is a long non-coding RNA that plays context-dependent regulatory roles in cell fate, differentiation, senescence, and pathology[1][2][3][6][7][8]. It is transcriptionally regulated by factors such as Bhlhe40 and interacts with multiple microRNAs and nuclear proteins (notably SMAD2/3), enabling its action as a competing endogenous RNA in vascular smooth muscle, embryonic stem cell, and cancer contexts[1][2]. LINC00458 is upregulated during vascular smooth muscle calcification and senescence in high-glucose conditions, exacerbating diabetic vascular disease[1]. In pluripotent stem cells, it is induced by mechanical stimuli (soft substrates) and is crucial for endodermal lineage commitment by interacting with SMAD2/3[2]. Its high expression in breast cancer, particularly in HER2-positive tumors, suggests a role in maintaining a proliferative, less differentiated state[1]. As a molecular entity, LINC00458 is an important regulator in both developmental and disease processes, but it is not a classical therapeutic target, nor are there drugs directly interacting with it as of current knowledge.

Other names

LncRNA-ES3ES3Heart Brake lncRNA 1HBL1lncRNA embryonic stem cell 3RP11-168P6.1

Not applicable (No drugs directly target LINC00458; mechanistically, it acts by sponging microRNAs and interacting with transcription factors to control gene expression)