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Cell metabolism

Sugar for sight

Retinitis pigmentosa causes the death of cone cells, leading to blindness. A factor secreted from rod cells, RdCVF, promotes cone survival in a mouse model of the disease. It now emerges that RdCVF works by increasing glucose uptake in cones.

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Figure 1: Glucose uptake in cone cells.


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Correspondence to Connie Cepko or Claudio Punzo.

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Cepko, C., Punzo, C. Sugar for sight. Nature 522, 428–429 (2015).

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