Vertebrate embryonic patterning-inducing proteins,...

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Reexamination Certificate

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C435S069100, C435S069300, C435S252300, C435S325000, C436S501000, C530S300000, C530S350000, C514S002600

Reexamination Certificate

active

07144997

ABSTRACT:
It is shown here that hedgehog proteins possess novel activities beyond phenotype specification. Using cultures derived from the embryonic day 14.5 (E14.5) rat ventral mesencephalon, we show that hedgehog is also trophic for dopaminergic neurons. Interestingly, hedgehog not only promotes dopaminergic neuron survival, but also promotes the survival of midbrain GABA-immunoreactive (GABA-ir) neurons.

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