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Effect of deficiency of PINK1 on gene expression during 4-month and 24-month.

ABSTRACT: Effect of deficiency of PINK1 on gene expression during 4-month and 24-month.

PROVIDER: PRJNA900355 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR22258841_1.fastq.gz	Fastqsanger.gz
	SRR22258841_2.fastq.gz	Fastqsanger.gz
	SRR22258842_1.fastq.gz	Fastqsanger.gz
	SRR22258842_2.fastq.gz	Fastqsanger.gz
	SRR22258843_1.fastq.gz	Fastqsanger.gz

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Effect of deficiency of PINK1 on gene expression during 4-month and 24-month.

Project description:To investigate the PINK1 regulates mitochondrial function, we performed the gene expression data for two independent libraries for Pink1-/- and Pink1+/+ mice, at two different time points, 4 and 24 months.

2023-05-16 | GSE217775 | GEO

SWATH-MS Analysis of Striatal Synaptic Mitochondria from Pink1 KO rats

Project description:This study investigates the proteomic alterations in striatal synaptic mitochondria isolated from 3-month-old wild-type and Pink1 KO rats using the SWATH-MS strategy. This dataset consists of 32 raw MS files, comprising 8 DIA (SWATH) and 24 DDA runs on a TripleTOF 5600 (SCIEX). Our findings revealed synaptic mitochondrial proteomic changes due to loss of Pink1.

2016-09-28 | PXD004558 | Pride

Parkinson Phenotype in Aged PINK1-Deficient Mice Is Accompanied by Progressive Mitochondrial Dysfunction in Absence of Neurodegeneration

Project description:Parkinson's disease (PD) is an adult-onset movement disorder of largely unknown etiology. We have previously shown that loss-of-function mutations of the mitochondrial protein kinase PINK1 (PTEN induced putative kinase 1) cause the recessive PARK6 variant of PD. Now we generated a PINK1 deficient mouse and observed several novel phenotypes: A progressive reduction of weight and of locomotor activity selectively for spontaneous movements occurred at old age. As in PD, abnormal dopamine levels in the aged nigrostriatal projection accompanied the reduced movements. Possibly in line with the PARK6 syndrome but in contrast to sporadic PD, a reduced lifespan, dysfunction of brainstem and sympathetic nerves, visible aggregates of M-NM-1-synuclein within Lewy bodies or nigrostriatal neurodegeneration were not present in aged PINK1-deficient mice. However, we demonstrate PINK1 mutant mice to exhibit a progressive reduction in mitochondrial preprotein import correlating with defects of core mitochondrial functions like ATP-generation and respiration. In contrast to the strong effect of PINK1 on mitochondrial dynamics in Drosophila melanogaster and in spite of reduced expression of fission factor Mtp18, we show reduced fission and increased aggregation of mitochondria only under stress in PINK1-deficient mouse neurons. Thus, aging Pink1M-bM-^HM-^R/M-bM-^HM-^R mice show increasing mitochondrial dysfunction resulting in impaired neural activity similar to PD, in absence of overt neuronal death. Transcriptome microarray data of Pink1-/- mouse brains in absence of a stressor, even at old age, show remarkably sparse dysregulations. See Gispert-S et al 2009 PLOS ONE. Factorial design comparing Pink1 knock-out mice with wild type littermates in three different tissues (striatum, midbrain, cerebellum at four different timepoints (6, 12, 14 weeks, and 18 month)

2014-11-04 | E-GEOD-60413 | biostudies-arrayexpress

Transcriptional profile of pink1 mutant flies

Project description:Global analysis of transcriptional changes in Drosophila pink1 mutants.

2013-12-02 | E-MEXP-3645 | biostudies-arrayexpress

Neuronal mitochondria transport Pink1 mRNA via Synaptojanin 2 to support local mitophagy

Project description:PTEN-induced kinase 1 (PINK1) is a very short-lived protein that is required for the removal of damaged mitochondria through Parkin translocation and mitophagy. Because the short half-life of PINK1 limits its ability to be trafficked into neurites, local translation is required for this mitophagy pathway to be active far from the soma. The Pink1 transcript is associated with and cotransported with neuronal mitochondria. In concert with translation, the mitochondrial outer membrane protein Synaptojanin 2 Binding Protein (SYNJ2BP) and Synaptojanin 2 (SYNJ2) are required for tethering Pink1 mRNA to mitochondria via an RNA-binding domain in SYNJ2. This neuron-specific adaptation for local translation of PINK1 provides distal mitochondria with a continuous supply of PINK1 for activation of mitophagy.

2022-01-14 | GSE193443 | GEO

Thyroarytenoid muscle gene expression in Pink1 knockout rats

Project description:Loss of function in the PTEN-induced kinase 1 gene (Pink1) causes an early-onset, autosomal recessive form of PD. The translational Pink1-/- rat shows cranial sensorimotor deficits including: declines in ultrasonic vocalization, negative impacts on social vocal function, and alterations to thyroarytenoid muscle structure. The aim of this study was to identify differentially expressed genes using RNA-sequencing and bioinformatic analysis of the thyroarytenoid muscle of male Pink1-/- rats compared to wildtype controls. To construct gene co-expression networks and gene modules, a WGCNA was used to identify biological networks of interest including where Pink1 was a central node with interconnecting genes. Data are congruent with previous findings demonstrating changes to thyroarytenoid muscle structure. These data are consistent with the hypothesis that differences in peripheral biology may influence the early pathogenesis of vocalizations at the level of the thyroarytenoid muscle.

2020-05-27 | GSE151209 | GEO

Roles of PINK1 in regulation of systemic growth inhibition induced by mutations of PTEN in Drosophila

Project description:The maintenance of mitochondrial homeostasis requires PTEN-induced kinase 1 (PINK1)-dependent mitophagy, and mutations in PINK1 are associated with Parkinson's disease (PD). PINK1 is also downregulated in tumor cells with PTEN mutations. However, there is limited information concerning the role of PINK1 in tissue growth and tumorigenesis. Here, we show that loss of pink1 caused multiple growth defects independent of its pathological target, Parkin. Moreover, knocking-down pink1 in muscle cells induced hyperglycemia and limited systemic organismal growth by induction of Imaginal morphogenesis protein-Late 2 (ImpL2). Similarly, disrupting PTEN activity in multiple tissues impaired systemic growth by reducing pink1 expression, resembling wasting-like syndrome in cancer patients. Furthermore, re-expression of PINK1 fully rescued defects in carbohydrate metabolism and systemic growth induced by the tissue-specific pten mutations. Our data suggest a new function for PINK1 in regulating systemic growth in Drosophila, and shed light on its role in wasting in context of PTEN mutations.

2021-02-20 | GSE167076 | GEO

Altered lipid homeostasis underlies selective neurodegeneration in SNX14 deficiency [1 month]

Project description:Altered lipid homeostasis underlies selective neurodegeneration in SNX14 deficiency [1 month]

| PRJNA890683 | ENA

PTEN-induced kinase 1 (PINK1) ameliorates autoimmune disease via negative regulation of the STAT3-Th17 axis

Project description:Th17-related genes increased in T cells from PINK1-deficient mice. Th17 and Treg cells were increased and decreased in PINK1-deficient cells, respectively, and phosphorylation of signal transducer and activator of transcription 3 (STAT3) was increased in PINK1-deficient cells.

2024-01-29 | GSE254099 | GEO

Whole Blood RNA Expression in Pink1-/- and Wildtype Rats

Project description:Early-onset pathology and reliable disease biomarkers for diagnostics are poorly understood for progressive degenerative disorders such as Parkinson disease (PD). PD is the second most common age-related degenerative disorder. The Pink1-/- rat is a mitochondrial dysfunction model of prodromal PD. In this study, we used RNA sequencing to examine gene expression within whole blood samples of young and old Pink1-/- rats as compared to age-matched wildtype controls.

2023-08-23 | GSE213543 | GEO

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