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Huntingtin Localization In Rat Cortex And Striatum

Published online by Cambridge University Press:  02 July 2020

William L'Amoreaux
Affiliation:
Department of Biology, The College of Staten Island, Staten Island, NY10314
Sandra Nevins
Affiliation:
Department of Biology, The College of Staten Island, Staten Island, NY10314
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Extract

Huntington’s Disease (HD) is a progressive neurodegenerative disease that is characterized by loss 19 of motor function and a decline in cognitive functions. HD is characterized morphologically by loss of neurons in the basal ganglia. During the progression of HD, striatal projection neurons die but cholinergic and somatostatin-containing intemeurons survive. The mutated gene for HD has been described and the protein transcribed by the disease (huntingtin or HT) described. Within the striatum, there is a lack of correlation between presence of HT and neuronal vulnerability. HT has been shown to be associated with intracellular vesicles in human tissues.

Female rats were transcardially perfused with 4% paraformaldehyde, 0.1 M lysine, 10 mM sodium periodate (PLP) in 0.1 M phosphate buffer. Following fixation, the brain was removed and the cortex and striatum removed from the brain as 5 mm3 pieces and transferred to fresh PLP containing 0.25% glutaraldehyde.

Type
Neurobiology
Copyright
Copyright © Microscopy Society of America

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