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Endogenous alpha-synuclein influences the number of dopaminergic neurons in mouse substantia nigra. 2013

Pablo Garcia-Reitboeck, and Oleg Anichtchik, and Jeffrey W Dalley, and Natalia Ninkina, and George K Tofaris, and Vladimir L Buchman, and Maria Grazia Spillantini
Centre for Brain Repair, Dept. of Clinical Neurosciences, Cambridge, UK.

The presynaptic protein α-synuclein is central to the pathogenesis of α-synucleinopathies. We show that the presence of endogenous mouse α-synuclein leads to higher number of dopaminergic neurons in the substantia nigra of wild-type C57Bl/6J mice compared with C57Bl/6S mice with a spontaneous deletion of the α-synuclein gene or C57Bl/6J mice with a targeted deletion of the α-synuclein gene. This effect of α-synuclein on dopaminergic neuron occurs during development between E10.5 and E13.5 and persists in adult life supporting the involvement of α-synuclein in the development of a subset of dopaminergic neurons.

UI MeSH Term Description Entries
D008810 Mice, Inbred C57BL One of the first INBRED MOUSE STRAINS to be sequenced. This strain is commonly used as genetic background for transgenic mouse models. Refractory to many tumors, this strain is also preferred model for studying role of genetic variations in development of diseases. Mice, C57BL,Mouse, C57BL,Mouse, Inbred C57BL,C57BL Mice,C57BL Mice, Inbred,C57BL Mouse,C57BL Mouse, Inbred,Inbred C57BL Mice,Inbred C57BL Mouse
D002452 Cell Count The number of CELLS of a specific kind, usually measured per unit volume or area of sample. Cell Density,Cell Number,Cell Counts,Cell Densities,Cell Numbers,Count, Cell,Counts, Cell,Densities, Cell,Density, Cell,Number, Cell,Numbers, Cell
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013378 Substantia Nigra The black substance in the ventral midbrain or the nucleus of cells containing the black substance. These cells produce DOPAMINE, an important neurotransmitter in regulation of the sensorimotor system and mood. The dark colored MELANIN is a by-product of dopamine synthesis. Nigra, Substantia,Nigras, Substantia,Substantia Nigras
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D051844 alpha-Synuclein A synuclein that is a major component of LEWY BODIES and plays a role in SYNUCLEINOPATHIES, neurodegeneration and neuroprotection. Non-AB Component of AD Amyloid Protein,Non AB Component of AD Amyloid Protein,alpha Synuclein
D059290 Dopaminergic Neurons Neurons whose primary neurotransmitter is DOPAMINE. Dopamine Neurons,Dopamine Neuron,Dopaminergic Neuron,Neuron, Dopamine,Neuron, Dopaminergic,Neurons, Dopamine,Neurons, Dopaminergic
D018345 Mice, Knockout Strains of mice in which certain GENES of their GENOMES have been disrupted, or "knocked-out". To produce knockouts, using RECOMBINANT DNA technology, the normal DNA sequence of the gene being studied is altered to prevent synthesis of a normal gene product. Cloned cells in which this DNA alteration is successful are then injected into mouse EMBRYOS to produce chimeric mice. The chimeric mice are then bred to yield a strain in which all the cells of the mouse contain the disrupted gene. Knockout mice are used as EXPERIMENTAL ANIMAL MODELS for diseases (DISEASE MODELS, ANIMAL) and to clarify the functions of the genes. Knockout Mice,Mice, Knock-out,Mouse, Knockout,Knock-out Mice,Knockout Mouse,Mice, Knock out

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