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DIXDC1 (DIX domain containing 1/Dixin) is a 683 amino acid protein. It positively regulates the Wnt signaling pathway by activating WNT3A via DVL2. It is expressed ubiquitously but has higher expression in skeletal and cardiac muscle. WNT3A signaling increases DIXDC1 protein levels by inhibiting its ubiquitination and subsequent degradation. DIXDC1 may play a role in breast cancer, breast carcinoma, endometrial cancer, epithelial neoplasia, schizophrenia, colon cancer, and neuroblastoma.