SNHG15 and thyroid gland carcinoma: In thyroid carcinoma, certain SNHG family members (e.g., SNHG7, SNHG15, SNHG12, SNHG14) have been reported as oncogenes, while others (e.g., SNHG3, SNHG5) may function as tumor suppressors—a discrepancy warranting further investigation.