Researchers have engineered a new adeno-associated virus that could greatly expand gene therapy to help restore sight to patients with blinding diseases like retinitis pigmentosa and macular degeneration. This diagram shows an adeno-associated virus. Prof Schaffer and colleagues changed ten amino acids in one of its coat proteins, shown in orange, to get it to pass through retinal cells to the target photoreceptors (University of California, Berkeley) Over...
