VPS35 haploinsufficiency increases Alzheimer's disease neuropathology

Lei Wen, Fulei Tang, Yan Hong, Shi Wen Luo, Chun Lei Wang, Wanxia He, Chengyong Shen, Ji Ung Jung, Fei Xiong, Dae hoon Lee, Quanguang Zhang, Darrell W Brann, Tae Wan Kim, Riqiang Yan, Lin Mei, Wencheng Xiong

Research output: Contribution to journalArticle

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Abstract

VPS35, a major component of the retromer complex, is important for endosome-to-Golgi retrieval of membrane proteins. Although implicated in Alzheimer'fs disease (AD), how VPS35 regulates AD- associated pathology is unknown. In this paper, we show that hemizygous deletion of Vps35 in the Tg2576 mouse model of AD led to earlier-onset AD-like phenotypes, including cognitive memory deficits, defective long-term potentiation, and impaired postsynaptic glutamatergic neurotransmission in young adult age. These deficits correlated well with an increase of β-amyloid peptide (Aβ) level in the mutant hippocampus. We further demonstrate that VPS35 is predominantly expressed in pyramidal neurons of young adult hippocampus and interacts with BACE1, a protease responsible for Aβ production. Loss of VPS35 function in the mouse hippocampus increased BACE1 activity. Suppression of VPS35 expression in culture decreased BACE1 trans-Golgi localization but enriched it in endosomes. These results demonstrate an essential role for VPS35 in suppression of AD neuropathology and in inhibition of BACE1 activation and Aβ production by promoting BACE1 endosome-to-Golgi retrieval.

Original languageEnglish (US)
Pages (from-to)765-779
Number of pages15
JournalJournal of Cell Biology
Volume195
Issue number5
DOIs
StatePublished - Nov 1 2011

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Haploinsufficiency
Alzheimer Disease
Endosomes
Hippocampus
Young Adult
Long-Term Potentiation
Pyramidal Cells
Memory Disorders
Amyloid
Synaptic Transmission
Membrane Proteins
Peptide Hydrolases
Neuropathology
Pathology
Phenotype

ASJC Scopus subject areas

  • Cell Biology

Cite this

Wen, L., Tang, F., Hong, Y., Luo, S. W., Wang, C. L., He, W., ... Xiong, W. (2011). VPS35 haploinsufficiency increases Alzheimer's disease neuropathology. Journal of Cell Biology, 195(5), 765-779. https://doi.org/10.1083/jcb.201105109

VPS35 haploinsufficiency increases Alzheimer's disease neuropathology. / Wen, Lei; Tang, Fulei; Hong, Yan; Luo, Shi Wen; Wang, Chun Lei; He, Wanxia; Shen, Chengyong; Jung, Ji Ung; Xiong, Fei; Lee, Dae hoon; Zhang, Quanguang; Brann, Darrell W; Kim, Tae Wan; Yan, Riqiang; Mei, Lin; Xiong, Wencheng.

In: Journal of Cell Biology, Vol. 195, No. 5, 01.11.2011, p. 765-779.

Research output: Contribution to journalArticle

Wen, L, Tang, F, Hong, Y, Luo, SW, Wang, CL, He, W, Shen, C, Jung, JU, Xiong, F, Lee, DH, Zhang, Q, Brann, DW, Kim, TW, Yan, R, Mei, L & Xiong, W 2011, 'VPS35 haploinsufficiency increases Alzheimer's disease neuropathology', Journal of Cell Biology, vol. 195, no. 5, pp. 765-779. https://doi.org/10.1083/jcb.201105109
Wen, Lei ; Tang, Fulei ; Hong, Yan ; Luo, Shi Wen ; Wang, Chun Lei ; He, Wanxia ; Shen, Chengyong ; Jung, Ji Ung ; Xiong, Fei ; Lee, Dae hoon ; Zhang, Quanguang ; Brann, Darrell W ; Kim, Tae Wan ; Yan, Riqiang ; Mei, Lin ; Xiong, Wencheng. / VPS35 haploinsufficiency increases Alzheimer's disease neuropathology. In: Journal of Cell Biology. 2011 ; Vol. 195, No. 5. pp. 765-779.
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AU - Brann, Darrell W

AU - Kim, Tae Wan

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AU - Mei, Lin

AU - Xiong, Wencheng

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