Altered palmitoylation and neuropathological deficits in mice lacking HIP14.

Abstract:

:Huntingtin interacting protein 14 (HIP14, ZDHHC17) is a huntingtin (HTT) interacting protein with palmitoyl transferase activity. In order to interrogate the function of Hip14, we generated mice with disruption in their Hip14 gene. Hip14-/- mice displayed behavioral, biochemical and neuropathological defects that are reminiscent of Huntington disease (HD). Palmitoylation of other HIP14 substrates, but not Htt, was reduced in the Hip14-/- mice. Hip14 is dysfunctional in the presence of mutant htt in the YAC128 mouse model of HD, suggesting that altered palmitoylation mediated by HIP14 may contribute to HD.

journal_name

Hum Mol Genet

journal_title

Human molecular genetics

authors

Singaraja RR,Huang K,Sanders SS,Milnerwood AJ,Hines R,Lerch JP,Franciosi S,Drisdel RC,Vaid K,Young FB,Doty C,Wan J,Bissada N,Henkelman RM,Green WN,Davis NG,Raymond LA,Hayden MR

doi

10.1093/hmg/ddr308

subject

Has Abstract

pub_date

2011-10-15 00:00:00

pages

3899-909

issue

20

eissn

0964-6906

issn

1460-2083

pii

ddr308

journal_volume

20

pub_type

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