Long intergenic non-protein coding RNA 1939 (LINC01939)

Long intergenic non-protein coding RNA 1939 (LINC01939) is a long non-coding RNA (lncRNA) that does not encode a protein and is primarily found in the cytoplasm[2]. It is downregulated in various cancers, notably gastric cancer and renal carcinoma, and acts as a tumor suppressor by inhibiting cell migration, invasion, and metastasis[2][3]. Mechanistically, LINC01939 functions as a competitive endogenous RNA (ceRNA), sponging microRNAs such as miR-17-5p and miR-154, thereby regulating the expression of key genes involved in tumor progression such as EGR2, and modulating signaling pathways like Wnt/β-catenin and Notch[2][3]. Its downregulation is linked to increased metastasis and worse clinical outcomes, making it a potential prognostic biomarker and candidate therapeutic target, especially in gastric cancer[2]. Key points: - LINC01939 is a non-protein coding RNA, not a receptor, enzyme, or transporter, but is considered a therapeutic target in oncology due to its regulatory role[2][3]. - No commonly reported drug interactions or direct drugs targeting LINC01939 are currently known in the clinical literature as of 2024. - Primary disease context: cancer, especially gastric and renal cancers[2][3]. - Biological role is primarily post-transcriptional gene regulation via microRNA interaction[2][3].

Other names

LINC01939lincRNA 1939Long intergenic non-coding RNA 1939

Competes as a ceRNA (competitive endogenous RNA) against miRNAs (e.g., miR-17-5p, miR-154) to regulate gene expression (notably EGR2 and pathways like Wnt/β-catenin and Notch)[2][3]