Journal
HUMAN MOLECULAR GENETICS
Volume 25, Issue 2, Pages 291-307Publisher
OXFORD UNIV PRESS
DOI: 10.1093/hmg/ddv471
Keywords
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Funding
- UK Medical Research Council (MRC)
- Motor Neurone Disease Association (MNDA)
- MRC [MC_UP_A390_1106]
- MRC [MC_UP_A390_1106, MC_UP_1502/1, G0500288, MR/M008606/1, MR/K018523/1, G1000287, MR/K000608/1, G0801110] Funding Source: UKRI
- Medical Research Council [MR/M008606/1, MR/K000608/1, MR/K018523/1, MC_UP_1502/1, G0801110, MC_UP_A390_1106, G0500288, G1000287] Funding Source: researchfish
- Motor Neurone Disease Association [Fratta/Jan15/946-795] Funding Source: researchfish
- Rosetrees Trust [M438] Funding Source: researchfish
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Zinc finger motifs are distributed amongst manyeukaryotic protein families, directing nucleic acid-protein and protein-protein interactions. Zinc finger protein 106 (ZFP106) has previously been associated with roles in immune response, muscle differentiation, testes development and DNA damage, although little is known about its specific function. To further investigate the function of ZFP106, we performed an in-depth characterization of Zfp106 deficient mice (Zfp106(-/-)), and we report a novel role for ZFP106 in motor and sensory neuronal maintenance and survival. Zfp106(-/-) mice develop severe motor abnormalities, major deficits in muscle strength and histopathological changes in muscle. Intriguingly, despite being highly expressed throughout the central nervous system, Zfp106(-/-) mice undergo selective motor and sensory neuronal and axonal degeneration specific to the spinal cord and peripheral nervous system. Neurodegeneration does not occur during development of Zfp106-/mice, suggesting that ZFP106 is likely required for the maintenance of mature peripheral motor and sensory neurons. Analysis of embryonic Zfp106(-/-) motor neurons revealed deficits in mitochondrial function, with an inhibition of Complex I within the mitochondrial electron transport chain. Our results highlight a vital role for ZFP106 in sensory and motor neuron maintenance and reveal a novel player in mitochondrial dysfunction and neurodegeneration.
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