Small nucleolar RNA host gene 7 (non-protein coding) (SNHG7)

SNHG7 is a long non-coding RNA gene located on chromosome 9q34.3, with a transcript length of approximately 2157–2176 base pairs. It is not translated into protein but functions mainly as an oncogenic regulator in many types of cancer via competitive binding (“sponging”) of microRNAs (like miR-216b, miR-485, miR-449a, among others), thereby modulating cell proliferation, invasion, apoptosis, and migration. SNHG7 is transcribed and localized both in the nucleus and the cytoplasm, depending on context and cell type. Its expression is often upregulated in cancer tissues compared to healthy tissues, where it is associated with enhanced tumor cell growth, migration, invasion, and resistance to apoptosis. Mechanistically, SNHG7 regulates oncogenic pathways often via IGF1/MAPK signaling, and by interacting with epigenetic regulators (e.g., EZH2, PAK4, CTNNB1), frequently acting as a biomarker for cancer diagnosis and prognosis and being explored as a novel therapeutic target via RNA interference or other methods. No currently approved drugs directly target SNHG7. However, experimental modulation of SNHG7 (siRNA, antisense technology) has demonstrated anti-cancer effects pre-clinically. Safety concerns remain for clinical translation due to delivery and specificity issues.

Other names

MGC16037NCRNA00061Non-protein coding RNA 61Small nucleolar RNA host gene (non-protein coding) 7Small nucleolar RNA host gene 7 (non-protein coding)SNHG7

Drugs (e.g., siRNAs or antisense oligonucleotides) would act by silencing or knocking down SNHG7 expression, thereby inhibiting oncogenic/program-enhancing functions, promoting apoptosis, and blocking cell proliferation. SNHG7 acts as a molecular sponge for specific microRNAs (miRNAs), such as miR-216b, miR-485, miR-449a, and others, thereby indirectly regulating their downstream gene targets (for example, GALNT1, PAK4, CTNNB1, EZH2).