Environmental enrichment slows disease progression in R6/2 Huntington's disease mice.

Abstract:

:Huntington's disease is a genetic disorder that causes motor dysfunction, personality changes, dementia, and premature death. There is currently no effective therapy. Several transgenic models of Huntington's disease are available, the most widely used of which is the R6/2 mouse, because of its rapid disease progression. Environmental enrichment alters gene expression in the normal mouse brain, and modulates the course of several neurological disorders. Environmentally enriched mice may actually mimic human disease more accurately. We found that even limited environmental enrichment slows decline in RotaRod performance in R6/2 mice, despite rapid disease progression, whereas in normal littermates, maximal enrichment was required to induce a marked improvement in behavioral tests. Enrichment also delayed the loss of peristriatal cerebral volume in R6/2 brains. These results could provide the basis for a rational approach to ameliorate the effects of Huntington's disease.

journal_name

Ann Neurol

journal_title

Annals of neurology

authors

Hockly E,Cordery PM,Woodman B,Mahal A,van Dellen A,Blakemore C,Lewis CM,Hannan AJ,Bates GP

doi

10.1002/ana.10094

keywords:

subject

Has Abstract

pub_date

2002-02-01 00:00:00

pages

235-42

issue

2

eissn

0364-5134

issn

1531-8249

pii

10.1002/ana.10094

journal_volume

51

pub_type

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