Reducing Mcl-1 gene dosage induces dopaminergic neuronal loss and motor impairments in Park2 knockout mice

Mutations in the PARK2 gene are associated with early onset Parkinsonism. The Park2 mouse, however, does not exhibit neurodegeneration or other Parkinson's disease (PD) phenotypes. Previously, we discovered that translation of Mcl-1, a pro-survival factor, is upregulated in the Park2 mouse, sug...

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Published in:Communications biology 2019-04, Vol.2 (1), p.125
Main Authors: Ekholm-Reed, Susanna, Baker, Robert, Campos, Alexandre R, Stouffer, David, Henze, Martha, Wolf, Dieter A, Loring, Jeanne F, Thomas, Elizabeth A, Reed, Steven I
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container_title Communications biology
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creator Ekholm-Reed, Susanna
Baker, Robert
Campos, Alexandre R
Stouffer, David
Henze, Martha
Wolf, Dieter A
Loring, Jeanne F
Thomas, Elizabeth A
Reed, Steven I
description Mutations in the PARK2 gene are associated with early onset Parkinsonism. The Park2 mouse, however, does not exhibit neurodegeneration or other Parkinson's disease (PD) phenotypes. Previously, we discovered that translation of Mcl-1, a pro-survival factor, is upregulated in the Park2 mouse, suggesting a compensatory mechanism during development. Here we generated the Park2 Mcl-1 mouse and show that by reducing Mcl-1 gene dosage by 50%, the Park2 genotype is sensitized, conferring both dopaminergic neuron loss and motor impairments. We propose that this murine model could be a useful tool for dissecting PD etiology and developing treatment strategies against this neurodegenerative disease.
doi_str_mv 10.1038/s42003-019-0366-x
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title Reducing Mcl-1 gene dosage induces dopaminergic neuronal loss and motor impairments in Park2 knockout mice
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