Quantitative proteomic analysis reveals mitochondrial protein changes in MPP(+)-induced neuronal cells. 2014

Jee Won Choi, and Min-Young Song, and Kang-Sik Park
Department of Physiology, Kyung Hee University School of Medicine, 26 Kyungheedae-ro, Dondaemun-gu, Seoul 130-701, South Korea. kspark@khu.ac.kr.

Parkinson's disease (PD) is a common neurodegenerative disorder pathologically characterized by the loss of dopaminergic neurons in the substantia nigra pars compacta. To further explore potential functional mechanisms of PD, we performed a comparative proteomic analysis using stable isotope labeling with amino acids in cell culture (SILAC) combined with nano-LC tandem mass spectrometry (nano-LC MS). In total, 1740 proteins were identified in MPP(+)-treated SH-SY5Y cells. Our comparative proteomic analysis indicated that a total of 39 proteins were differentially expressed in SH-SY5Y cells responding to MPP(+) treatment. Of these, 14 altered proteins were clustered in the mitochondria, 5 proteins were already reported as related to PD, and the remaining proteins were newly identified in this study. Together, our data further define that the mitochondria play an important role in regulating PD through multiple and complex mechanisms and provide new insights into the functional contribution of mitochondrial proteins in PD.

UI MeSH Term Description Entries
D005786 Gene Expression Regulation Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control (induction or repression) of gene action at the level of transcription or translation. Gene Action Regulation,Regulation of Gene Expression,Expression Regulation, Gene,Regulation, Gene Action,Regulation, Gene Expression
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015655 1-Methyl-4-phenylpyridinium An active neurotoxic metabolite of 1-METHYL-4-PHENYL-1,2,3,6-TETRAHYDROPYRIDINE. The compound reduces dopamine levels, inhibits the biosynthesis of catecholamines, depletes cardiac norepinephrine and inactivates tyrosine hydroxylase. These and other toxic effects lead to cessation of oxidative phosphorylation, ATP depletion, and cell death. The compound, which is related to PARAQUAT, has also been used as an herbicide. Cyperquat,1-Methyl-4-phenylpyridine,1-Methyl-4-phenylpyridinium Chloride,1-Methyl-4-phenylpyridinium Ion,N-Methyl-4-phenylpyridine,N-Methyl-4-phenylpyridinium,1 Methyl 4 phenylpyridine,1 Methyl 4 phenylpyridinium,1 Methyl 4 phenylpyridinium Chloride,1 Methyl 4 phenylpyridinium Ion,N Methyl 4 phenylpyridine
D017209 Apoptosis A regulated cell death mechanism characterized by distinctive morphologic changes in the nucleus and cytoplasm, including the endonucleolytic cleavage of genomic DNA, at regularly spaced, internucleosomal sites, i.e., DNA FRAGMENTATION. It is genetically programmed and serves as a balance to mitosis in regulating the size of animal tissues and in mediating pathologic processes associated with tumor growth. Apoptosis, Extrinsic Pathway,Apoptosis, Intrinsic Pathway,Caspase-Dependent Apoptosis,Classic Apoptosis,Classical Apoptosis,Programmed Cell Death,Programmed Cell Death, Type I,Apoptoses, Extrinsic Pathway,Apoptoses, Intrinsic Pathway,Apoptosis, Caspase-Dependent,Apoptosis, Classic,Apoptosis, Classical,Caspase Dependent Apoptosis,Cell Death, Programmed,Classic Apoptoses,Extrinsic Pathway Apoptoses,Extrinsic Pathway Apoptosis,Intrinsic Pathway Apoptoses,Intrinsic Pathway Apoptosis
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines
D020734 Parkinsonian Disorders A group of disorders which feature impaired motor control characterized by bradykinesia, MUSCLE RIGIDITY; TREMOR; and postural instability. Parkinsonian diseases are generally divided into primary parkinsonism (see PARKINSON DISEASE), secondary parkinsonism (see PARKINSON DISEASE, SECONDARY) and inherited forms. These conditions are associated with dysfunction of dopaminergic or closely related motor integration neuronal pathways in the BASAL GANGLIA. Autosomal Recessive Juvenile Parkinsonism,Familial Juvenile Parkinsonism,Parkinsonian Syndrome,Parkinsonism,Parkinsonism, Experimental,Parkinsonism, Juvenile,Ramsay Hunt Paralysis Syndrome,Autosomal Dominant Juvenile Parkinson Disease,Autosomal Dominant Juvenile Parkinsonism,Autosomal Dominant Parkinsonism,Autosomal Recessive Juvenile Parkinson Disease,Autosomal Recessive Parkinsonism,Chromosome 6-Linked Autosomal Recessive Parkinsonism,Experimental Parkinson Disease,Experimental Parkinsonism,Experimental Parkinsonism, MPTP-Induced,Familial Parkinson Disease, Autosomal Recessive,Juvenile Parkinson Disease,Juvenile Parkinson Disease, Autosomal Dominant,Juvenile Parkinson Disease, Autosomal Recessive,Juvenile Parkinsonism, Autosomal Dominant,Juvenile Parkinsonism, Autosomal Recessive,MPTP-Induced Experimental Parkinsonism,Parkinson Disease 2,Parkinson Disease 2, Autosomal Recessive Juvenile,Parkinson Disease Autosomal Recessive, Early Onset,Parkinson Disease, Autosomal Dominant. Juvenile,Parkinson Disease, Experimental,Parkinson Disease, Familial, Autosomal Recessive,Parkinson Disease, Juvenile,Parkinson Disease, Juvenile, Autosomal Dominant,Parkinson Disease, Juvenile, Autosomal Recessive,Parkinsonian Diseases,Parkinsonian Syndromes,Parkinsonism, Early Onset, with Diurnal Fluctuation,Parkinsonism, Early-Onset, With Diurnal Fluctuation,Parkinsonism, Juvenile, Autosomal Dominant,Parkinsonism, Juvenile, Autosomal Recessive,Chromosome 6 Linked Autosomal Recessive Parkinsonism,Diseases, Experimental Parkinson,Dominant Parkinsonism, Autosomal,Experimental Parkinson Diseases,Experimental Parkinsonism, MPTP Induced,Experimental Parkinsonisms,Juvenile Parkinsonism,Juvenile Parkinsonism, Familial,Juvenile Parkinsonisms,MPTP Induced Experimental Parkinsonism,Parkinson Diseases, Experimental,Parkinsonism, Autosomal Dominant,Parkinsonism, Autosomal Recessive,Parkinsonism, Familial Juvenile,Parkinsonism, MPTP-Induced Experimental,Parkinsonisms, Experimental,Parkinsonisms, Juvenile,Recessive Parkinsonism, Autosomal
D024101 Mitochondrial Proteins Proteins encoded by the mitochondrial genome or proteins encoded by the nuclear genome that are imported to and resident in the MITOCHONDRIA. Proteins, Mitochondrial,Mitochondrial Protein,Protein, Mitochondrial
D040901 Proteomics The systematic study of the complete complement of proteins (PROTEOME) of organisms. Peptidomics

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