RD3, the protein associated with Leber congenital amaurosis type 12, is required for guanylate cyclase trafficking in photoreceptor cells

Abstract excerpt

Guanylate cyclases, GC1 and GC2, are localized in the light-sensitive outer segment compartment of photoreceptor cells, where they play a crucial role in phototransduction by catalyzing the synthesis of cGMP, the second messenger of phototransduction, and regulating intracellular Ca(2+) levels in combination with the cGMP-gated channel. Mutations in GC1 are known to cause Leber congenital amaurosis type 1 (LCA1),...

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