Leucine-Rich Repeat Kinase 2 and Alternative Splicing in Parkinson's Disease
Identifieur interne : 000128 ( PascalFrancis/Corpus ); précédent : 000127; suivant : 000129Leucine-Rich Repeat Kinase 2 and Alternative Splicing in Parkinson's Disease
Auteurs : David A. Elliott ; Woojin S. Kim ; Sarsha Gorissen ; Glenda M. Halliday ; John B. J. KwokSource :
- Movement disorders [ 0885-3185 ] ; 2012.
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- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Mutations of the leucine-rich repeat kinase 2 (LRRK2) gene are the most common genetic cause of Parkinson's disease (PD) and are associated with pleiomorphic neuropathology. We hypothesize that LRRK2 mediates its pathogenic effect through alternative splicing of neurodegeneration genes. Methods used in this study included western blotting analysis of subcellular protein fractions, exon-array analysis of RNA from cultured neuroblastoma cells transfected with LRRK2 expression vectors, and reverse-transcription polymerase chain reaction (RT-PCR) of RNA from cultured cells and postmortem tissue. Overexpression of the LRRK2 G2019S mutant resulted in a significant (2.6-fold; P = 0.020) decrease in nuclear transactive response DNA-binding protein 43 levels. Exon-array analyses revealed that wild-type LRRK2 had a significant effect on the expression of genes with nuclear (P < 10-22) and cell-cycle functions (P < 10-15). We replicated changes in gene expression in 30% of selected genes by quantitative RT-PCR. Overexpression of LRRK2 resulted in the altered splicing of two genes associated with PD, with an increased inclusion of exon 10 of microtubule-associated protein tau (1.7-fold; P = 0.001) and exon 5 of the alpha-synuclein (SNCA) gene (1.6-fold; P =0.005). Moreover, overexpression of LRRK2 (G2019S) and two mutant genes associated with neurodegeneration, TARDBP (M337V) and FUS (R521H), were associated with decreased inclusion out of the dystonin (DST) 1e precursor exons in SK-N-MC cells. Altered splicing of SNCA (1.9-fold; P < 0.001) and DST genes (log2 2.3-fold; P = 0.005) was observed in a cohort of PD, compared with neurologically healthy, brains. This suggests that aberrant RNA metabolism is an important contributor to idiopathic PD.
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Format Inist (serveur)
NO : | PASCAL 12-0315955 INIST |
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ET : | Leucine-Rich Repeat Kinase 2 and Alternative Splicing in Parkinson's Disease |
AU : | ELLIOTT (David A.); KIM (Woojin S.); GORISSEN (Sarsha); HALLIDAY (Glenda M.); KWOK (John B. J.) |
AF : | Neuroscience Research Australia/Sydney, New South Wales/Australie (1 aut., 2 aut., 3 aut., 4 aut., 5 aut.); School of Medical Sciences, University of New South Wales/Sydney, New South Wales/Australie (1 aut., 2 aut., 4 aut., 5 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2012; Vol. 27; No. 8; Pp. 1004-1011; Bibl. 33 ref. |
LA : | Anglais |
EA : | Mutations of the leucine-rich repeat kinase 2 (LRRK2) gene are the most common genetic cause of Parkinson's disease (PD) and are associated with pleiomorphic neuropathology. We hypothesize that LRRK2 mediates its pathogenic effect through alternative splicing of neurodegeneration genes. Methods used in this study included western blotting analysis of subcellular protein fractions, exon-array analysis of RNA from cultured neuroblastoma cells transfected with LRRK2 expression vectors, and reverse-transcription polymerase chain reaction (RT-PCR) of RNA from cultured cells and postmortem tissue. Overexpression of the LRRK2 G2019S mutant resulted in a significant (2.6-fold; P = 0.020) decrease in nuclear transactive response DNA-binding protein 43 levels. Exon-array analyses revealed that wild-type LRRK2 had a significant effect on the expression of genes with nuclear (P < 10-22) and cell-cycle functions (P < 10-15). We replicated changes in gene expression in 30% of selected genes by quantitative RT-PCR. Overexpression of LRRK2 resulted in the altered splicing of two genes associated with PD, with an increased inclusion of exon 10 of microtubule-associated protein tau (1.7-fold; P = 0.001) and exon 5 of the alpha-synuclein (SNCA) gene (1.6-fold; P =0.005). Moreover, overexpression of LRRK2 (G2019S) and two mutant genes associated with neurodegeneration, TARDBP (M337V) and FUS (R521H), were associated with decreased inclusion out of the dystonin (DST) 1e precursor exons in SK-N-MC cells. Altered splicing of SNCA (1.9-fold; P < 0.001) and DST genes (log2 2.3-fold; P = 0.005) was observed in a cohort of PD, compared with neurologically healthy, brains. This suggests that aberrant RNA metabolism is an important contributor to idiopathic PD. |
CC : | 002B17; 002B17G |
FD : | Maladie de Parkinson; Pathologie du système nerveux; Leucine; Kinase; Epissage; Protéine tau |
FG : | Transferases; Enzyme; Pathologie de l'encéphale; Syndrome extrapyramidal; Maladie dégénérative; Pathologie du système nerveux central |
ED : | Parkinson disease; Nervous system diseases; Leucine; Kinase; Splicing; Tau protein |
EG : | Transferases; Enzyme; Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease |
SD : | Parkinson enfermedad; Sistema nervioso patología; Leucina; Kinase; Empalme; Proteína tau |
LO : | INIST-20953.354000506685170130 |
ID : | 12-0315955 |
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Pascal:12-0315955Le document en format XML
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<front><div type="abstract" xml:lang="en">Mutations of the leucine-rich repeat kinase 2 (LRRK2) gene are the most common genetic cause of Parkinson's disease (PD) and are associated with pleiomorphic neuropathology. We hypothesize that LRRK2 mediates its pathogenic effect through alternative splicing of neurodegeneration genes. Methods used in this study included western blotting analysis of subcellular protein fractions, exon-array analysis of RNA from cultured neuroblastoma cells transfected with LRRK2 expression vectors, and reverse-transcription polymerase chain reaction (RT-PCR) of RNA from cultured cells and postmortem tissue. Overexpression of the LRRK2 G2019S mutant resulted in a significant (2.6-fold; P = 0.020) decrease in nuclear transactive response DNA-binding protein 43 levels. Exon-array analyses revealed that wild-type LRRK2 had a significant effect on the expression of genes with nuclear (P < 10-<sup>22</sup>
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). We replicated changes in gene expression in 30% of selected genes by quantitative RT-PCR. Overexpression of LRRK2 resulted in the altered splicing of two genes associated with PD, with an increased inclusion of exon 10 of microtubule-associated protein tau (1.7-fold; P = 0.001) and exon 5 of the alpha-synuclein (SNCA) gene (1.6-fold; P =0.005). Moreover, overexpression of LRRK2 (G2019S) and two mutant genes associated with neurodegeneration, TARDBP (M337V) and FUS (R521H), were associated with decreased inclusion out of the dystonin (DST) 1e precursor exons in SK-N-MC cells. Altered splicing of SNCA (1.9-fold; P < 0.001) and DST genes (log<sub>2</sub>
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</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Transferases</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Enzyme</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Enzyme</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Enzima</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Pathologie de l'encéphale</s0>
<s5>37</s5>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Cerebral disorder</s0>
<s5>37</s5>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Encéfalo patología</s0>
<s5>37</s5>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Syndrome extrapyramidal</s0>
<s5>38</s5>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Extrapyramidal syndrome</s0>
<s5>38</s5>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Extrapiramidal síndrome</s0>
<s5>38</s5>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Maladie dégénérative</s0>
<s5>39</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Degenerative disease</s0>
<s5>39</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Enfermedad degenerativa</s0>
<s5>39</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Pathologie du système nerveux central</s0>
<s5>40</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Central nervous system disease</s0>
<s5>40</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Sistema nervosio central patología</s0>
<s5>40</s5>
</fC07>
<fN21><s1>240</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
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<server><NO>PASCAL 12-0315955 INIST</NO>
<ET>Leucine-Rich Repeat Kinase 2 and Alternative Splicing in Parkinson's Disease</ET>
<AU>ELLIOTT (David A.); KIM (Woojin S.); GORISSEN (Sarsha); HALLIDAY (Glenda M.); KWOK (John B. J.)</AU>
<AF>Neuroscience Research Australia/Sydney, New South Wales/Australie (1 aut., 2 aut., 3 aut., 4 aut., 5 aut.); School of Medical Sciences, University of New South Wales/Sydney, New South Wales/Australie (1 aut., 2 aut., 4 aut., 5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2012; Vol. 27; No. 8; Pp. 1004-1011; Bibl. 33 ref.</SO>
<LA>Anglais</LA>
<EA>Mutations of the leucine-rich repeat kinase 2 (LRRK2) gene are the most common genetic cause of Parkinson's disease (PD) and are associated with pleiomorphic neuropathology. We hypothesize that LRRK2 mediates its pathogenic effect through alternative splicing of neurodegeneration genes. Methods used in this study included western blotting analysis of subcellular protein fractions, exon-array analysis of RNA from cultured neuroblastoma cells transfected with LRRK2 expression vectors, and reverse-transcription polymerase chain reaction (RT-PCR) of RNA from cultured cells and postmortem tissue. Overexpression of the LRRK2 G2019S mutant resulted in a significant (2.6-fold; P = 0.020) decrease in nuclear transactive response DNA-binding protein 43 levels. Exon-array analyses revealed that wild-type LRRK2 had a significant effect on the expression of genes with nuclear (P < 10-<sup>22</sup>
) and cell-cycle functions (P < 10<sup>-15</sup>
). We replicated changes in gene expression in 30% of selected genes by quantitative RT-PCR. Overexpression of LRRK2 resulted in the altered splicing of two genes associated with PD, with an increased inclusion of exon 10 of microtubule-associated protein tau (1.7-fold; P = 0.001) and exon 5 of the alpha-synuclein (SNCA) gene (1.6-fold; P =0.005). Moreover, overexpression of LRRK2 (G2019S) and two mutant genes associated with neurodegeneration, TARDBP (M337V) and FUS (R521H), were associated with decreased inclusion out of the dystonin (DST) 1e precursor exons in SK-N-MC cells. Altered splicing of SNCA (1.9-fold; P < 0.001) and DST genes (log<sub>2</sub>
2.3-fold; P = 0.005) was observed in a cohort of PD, compared with neurologically healthy, brains. This suggests that aberrant RNA metabolism is an important contributor to idiopathic PD.</EA>
<CC>002B17; 002B17G</CC>
<FD>Maladie de Parkinson; Pathologie du système nerveux; Leucine; Kinase; Epissage; Protéine tau</FD>
<FG>Transferases; Enzyme; Pathologie de l'encéphale; Syndrome extrapyramidal; Maladie dégénérative; Pathologie du système nerveux central</FG>
<ED>Parkinson disease; Nervous system diseases; Leucine; Kinase; Splicing; Tau protein</ED>
<EG>Transferases; Enzyme; Cerebral disorder; Extrapyramidal syndrome; Degenerative disease; Central nervous system disease</EG>
<SD>Parkinson enfermedad; Sistema nervioso patología; Leucina; Kinase; Empalme; Proteína tau</SD>
<LO>INIST-20953.354000506685170130</LO>
<ID>12-0315955</ID>
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