SNHG1, SNHG3, SNHG5, SNHG6, SNHG7, SNHG12, SNHG15, SNHG16, and SNHG20 can induce proliferation, cell cycle progression, invasion and metastasis of cancer cells, possibly making SNHGs effective biomarker for cancer progression and invasion (117). Here, SNHG15 is linked to cancer.