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Using anti-Yo antibodies, three genes have been cloned (CDR 1-3). CDR2 Cerebellar degeneration related protein 2) suppresses the transcriptional activity and DNA binding of nuclear factor-kappa B by an unknown mechanism. The neuron specific expression of CDR2 is regulated by a post-transcriptional mechanism.
CDR2 is an onconeuronal antigen; i.e. an antigen that is expressed by systemic tumors and elicits an immune response that may develop into an autoimmune neuronal degeneration. Paraneoplastic cerebellar degeneration (PCD) is a disorder in which breast or ovarian tumors express CDR2, which normally is expressed in cerebellar Purkinje neurons
Image: CDR2 staining of Purkinje neurons in the Human cerebellum
Related Reagents to Consider:
Image: Detection of CDR2 in HeLa whole cell lysates.