Table 2

Qualitative comparisons of main retinal changes observed in rd1 and rd10 mutant mice, as a function of time. Data are from the present paper and from References quoted in the text.

Mouse StrainMutation and inheritanceDegeneration featuresOnset of rod degenerationRecordable ERG ResponsesAlterations in mGluR6 DistributionDendritic retraction in Rod Bipolar cellsOccurrence of Rod Bipolar & Horizontal cell deathDendritic retraction in Cone Bipolar cells
rd1rod-specific PDE (β subunit) NONSENSE

Autosomal recessive
rod-cone

center-to-periphery gradient
P8P14-P16P18-P10-
(possible arrest in growth)
YES
(data available at P90 only)
Detectable after P30
rd10Rod-specific PDE (β subunit) MISSENSE

Autosomal recessive
rod-cone

center-to-periphery gradient
P18P14-P28P25-P25-
(regression of fully developed dendrites)
YES
(data available from P45 to 7 months)
Best detected after P60
-