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Long non-coding and coding RNAs characterization in Peripheral Blood Mononuclear Cells and Spinal Cord from Amyotrophic Lateral Sclerosis patients

ABSTRACT: Long non-coding and coding RNAs characterization in Peripheral Blood Mononuclear Cells and Spinal Cord from Amyotrophic Lateral Sclerosis patients

PROVIDER: PRJNA416880 | ENA |

REPOSITORIES: ENA

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Long non-coding and coding RNAs characterization in Peripheral Blood Mononuclear Cells and Spinal Cord from Amyotrophic Lateral Sclerosis patients

Project description:Alteration in RNA metabolism, concerning both coding and long non-coding RNAs (lncRNAs), may play an important role in Amyotrophic Lateral Sclerosis (ALS) pathogenesis. In this work, we performed RNA-seq analysis to investigate, in Peripheral Blood Mononuclear Cells (PBMC) and spinal cord tissues, the regulation of non-coding and coding RNAs in Sporadic ALS patients (SALS), ALS mutated (FUS, TARDBP and SOD1) patients and matched controls. A total of 293 differentially expressed (DE) lncRNAs were found in SALS patients, as instead a limited amount of lncRNAs was found deregulated in mutated patients. Out of 87 mRNAs detected as differentially expressed in SALS patients, the 10 most differentially expressed were down-regulated and associated to transcription regulation, immunity and apoptosis pathways. 2 Taken together our data highlighted the importance, for the understanding of ALS disease, of extending the knowledge on transcriptome molecular alterations and on the significance in the disease of the classes of regulatory lncRNAs. Our data brought the light on the importance of lncRNAs and mRNAs regulation in central and peripheral systems, offering starting points for new investigations about pathogenic mechanism involved in ALS disease.

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Project description:Alteration in RNA metabolism, concerning both coding and long non-coding RNAs (lncRNAs), may play an important role in Amyotrophic Lateral Sclerosis (ALS) pathogenesis. In this work, we performed a whole transcriptome RNA-seq analysis to investigate the regulation of non-coding and coding RNAs in Sporadic ALS patients (SALS), mutated ALS patients (FUS, TARDBP and SOD1) and matched controls in Peripheral Blood Mononuclear Cells (PBMC). Selected transcripts were validated in spinal cord tissues. A total of 293 differentially expressed (DE) lncRNAs was found in SALS patients, whereas a limited amount of lncRNAs was deregulated in mutated patients. A total of 87 mRNAs was differentially expressed in SALS patients; affected genes showed an association with transcription regulation, immunity and apoptosis pathways. Taken together our data highlighted the importance of extending the knowledge on transcriptomic molecular alterations and on the significance of regulatory lncRNAs classes in the understanding of ALS disease. Our data brought the light on the importance of lncRNAs and mRNAs regulation in central and peripheral systems, offering starting points for new investigations about pathogenic mechanism involved in ALS disease.

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