Motor and cognitive deficits in aged tau knockout mice in two background strains.
Motor and cognitive deficits in aged tau knockout mice in two background strains.
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DOI:
10.1186/1750-1326-9-29
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发表时间:
2014-08-14
影响因子:
15.1
通讯作者:
Bush AI
中科院分区:
文献类型:
--
作者:
Lei P;Ayton S;Moon S;Zhang Q;Volitakis I;Finkelstein DI;Bush AI
We recently reported that Parkinsonian and dementia phenotypes emerge between 7-12 months of age in tau-/- mice on a Bl6/129sv mixed background. These observations were partially replicated by another group using pure Bl6 background tau-/- mice, but notably they did not observe a cognitive phenotype. A third group using Bl6 background tau-/- mice found cognitive impairment at 20-months of age. To reconcile the observations, here we considered the genetic, dietary and environmental variables in both studies, and performed an extended set of behavioral studies on 12-month old tau+/+, tau+/-, and tau-/- mice comparing Bl6/129sv to Bl6 backgrounds. We found that tau-/- in both backgrounds exhibited reduced tyrosine hydroxylase-positive nigral neuron and impaired motor function in all assays used, which was ameliorated by oral treatment with L-DOPA, and not confounded by changes in body weight. Tau-/- in the C57BL6/SV129 background exhibited deficits in the Y-maze cognition task, but the mice on the Bl6 background did not. These results validate our previous report on the neurodegenerative phenotypes of aged tau-/- mice, and show that genetic background may impact the extent of cognitive impairment in these mice. Therefore excessive lowering of tau should be avoided in therapeutic strategies for AD.
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影响因子:
3.3
作者:
Dawson, H. N.;Cantillana, V.;Jansen, M.;Wang, H.;Vitek, M. P.;Wilcock, D. M.;Lynch, J. R.;Laskowitz, D. T.
通讯作者:
Laskowitz, D. T.
DOI:
10.1098/rstb.2013.0144
发表时间:
2014-01-05
期刊:
Philosophical transactions of the Royal Society of London. Series B, Biological sciences
影响因子:
--
作者:
Kimura T;Whitcomb DJ;Jo J;Regan P;Piers T;Heo S;Brown C;Hashikawa T;Murayama M;Seok H;Sotiropoulos I;Kim E;Collingridge GL;Takashima A;Cho K
通讯作者:
Cho K
DOI:
10.1523/jneurosci.3191-12.2013
发表时间:
2013-01-23
期刊:
The Journal of neuroscience : the official journal of the Society for Neuroscience
影响因子:
--
作者:
Holth JK;Bomben VC;Reed JG;Inoue T;Younkin L;Younkin SG;Pautler RG;Botas J;Noebels JL
通讯作者:
Noebels JL
影响因子:
5.3
作者:
Castillo-Carranza, Diana L.;Sengupta, Urmi;Kayed, Rakez
通讯作者:
Kayed, Rakez
影响因子:
5.3
作者:
DeVos, Sarah L.;Goncharoff, Dustin K.;Miller, Timothy M.
通讯作者:
Miller, Timothy M.