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To study protein metabolism we develop, apply, and refine imaging methods that can be used to quantitatively measure these changes in vivo in all structures of the nervous system in animals and in man.
Presently, we are investigating genetic mouse models of two inherited forms of mental retardation, fragile X syndrome (FrX) and phenylketonuria (PKU). Our results suggest that in both diseases there are defects in brain protein |
![UNPM BRAIN IMAGE](images/unpm-inset1.jpg)
Regional rates of protein synthesis in rat cerebellum
during postnatal development. (Sun et al., Am J
Physiol 1995, 268:R549-R561 [pdf].)
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synthesis that may underlie disease symptoms. These studies together with our complementary studies of behavior and cerebral energy metabolism should provide us with an integrated view of affected systems and circuits in these diseases. Understanding causal factors is fundamental to developing strategies for prevention and therapeutic intervention.
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