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Description

Metastasis suppressor protein 1 (UniProt O43312, also known as Metastasis suppressor YGL-1, Missing in metastasis protein) is encoded by the MTSS1 (also known as KIAA0429, MIM) gene (Gene ID 9788) in human. MTSS1 is a scaffold protein that regulates cytoskeletal dynamics and actin polymerization. MTSS1 is also reported to bind Gli proteins or the Gli-Sufu complex and potentiate the transcription of effector genes of the sonic hedgehog signaling pathway. MTSS1 is down-regulated in many metastatic cancer cells compared with their non-metastatic counterparts. MTSS1 expression is shown to be inversely correlated with the prognosis of solid carcinomas of the breast, liver, and bladder.