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Recent biochemical studies have demonstrated that the adenomatous polyposis coli gene, initially identified via its link to colon cancer, is expressed at high levels in the brain. Furthermore, the ability of this tumor suppressor protein to bind to Discs-Large and beta-catenin, proteins implicated in organizing synaptic structure, point to a role for APC in(More)
The eyes of three patients followed clinically for many years with a diagnosis of macular disciform scarring, secondary to ocular histoplasmosis, were studied histopathologically. A fibrovascular scar interposed between the choroid and retina was observed in all cases. Vessels passing from the choroid through defects in Bruch's membrane into the nodule were(More)
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