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Effect of muscular dystrophy caused by PTRF deletion on the transcriptome of skeletal muscles

ABSTRACT: Effect of muscular dystrophy caused by PTRF deletion on the transcriptome of skeletal muscles

PROVIDER: PRJNA898786 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR22205104.fastq.gz	Fastqsanger.gz
	SRR22205105.fastq.gz	Fastqsanger.gz
	SRR22205106.fastq.gz	Fastqsanger.gz
	SRR22205107.fastq.gz	Fastqsanger.gz
	SRR22205108.fastq.gz	Fastqsanger.gz

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Effect of muscular dystrophy caused by PTRF deletion on the transcriptome of skeletal muscles

Project description:Muscular dystrophy is a group of diseases that cause progressive weakness and degeneration of the skeletal muscles that control movement. Lacking the caveolae component polymerase I transcription release factor (PTRF) causes a secondary deficiency of caveolins resulting in muscular dystrophy. To investigate the effect of PTRF deletion on skeletal muscle, we created gene-edited mice with PTRF knockout (KO). We then performed RNA-seq of soleus and quadriceps muscles from soleus and quadriceps muscles of 3 months old WT (n=3) and PTRF KO mice (n=3) and analyzed the data for gene expression profiling. 12933 genes were detected across all 12 libraries. The hierarchy clustering of co-expressed genes revealed a clear split between PTRF KO and WT mice for both skeletal muscles. Differential expression analysis identified 1293 and 705 differentially expressed genes (DEGs) in the soleus and quadriceps, respectively. 971 and 534 DEGs were up-regulated, and 322 and 171 DEGs were down-regulated in the soleus and quadriceps of PTRF KO mice, respectively.

2023-05-31 | GSE217389 | GEO

Decoding the transcriptome of muscular dystrophy using single-nucleus RNA sequencing

Project description:Muscular dystrophy is a group of diseases that cause progressive weakness and degeneration of the skeletal muscles that control movement. Lacking polymerase I transcription release factor (PTRF, also known as Cavin1), an essential caveolae component, causes a secondary deficiency of caveolins resulting in muscular dystrophy. Because skeletal muscle is a heterogeneous tissue composed of different metabolic muscle fiber (myofibers) and mononuclear cells, the transcriptome responses of these myofibers and mononuclear cell to muscular dystrophy caused by PTRF deletion has not been explored. Here, we create muscular dystrophy mice caused by the deletion of PTRF gene and apply single-nucleus RNA sequencing (snRNA-seq) to unveil transcriptional changes in the skeletal muscle of mice with muscular dystrophy at single-nucleus resolution.

2023-05-31 | GSE217390 | GEO

Comparative transcriptomic study of skeletal muscles response to muscular dystrophy with myositis

Project description:Muscular dystrophy with myositis (mdm) is a severe degenerative muscle disease arising from a spontaneous mutaton at the N2A-PEVK junction of titin protein. The affected mice show a complex disease phenotype, and more organism-wide spread response compared to other myopathies. The project objectives forcus on undertanding the response pattetern of different skelelal muscles to mdm.

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Comparative transcriptomic study of skeletal muscles response to muscular dystrophy with myositis

Project description:Comparative transcriptomic study of skeletal muscles response to muscular dystrophy with myositis

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Transcriptional profiling in facioscapulohumeral muscular dystrophy to identify candidate biomarkers

Project description:Facioscapulohumeral muscular dystrophy (FSHD) is a progressive neuromuscular disorder caused by contractions of repetitive elements within the macrosatellite D4Z4 on chromosome 4q35. In order to develop mRNA-based biomarkers of affected muscles, we used GeneChip Gene 1.0 ST arrays for global analysis of gene expression in muscle biopsy specimens obtained from FSHD subjects and their unaffected first degree relatives. FSHD typically affects biceps muscles more severely than deltoid muscles. To examine muscle-specific expression changes associated with FSHD while controlling for background genetic variation, we analyzed RNA extracted from both biceps and deltoids of FSHD subjects and unaffected first-degree relatives.

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Gene expression profiles using microarrays in diaphragm of normal Beagle dogs and Beagle-based canine muscular dystrophy (CXMDJ) before and 1 hour after initial respiration.

Project description:Canine muscular dystrophy (CXMDJ) is a dog model of the lethal X-linked muscle disorder Duchenne muscular dystrophy (DMD), which is caused by loss of dystrophin. Gene expression profile was analyzed in the diaphragm muscles of normal Beagle dogs and CXMDJ before and 1 hour after initial respiration.

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Mouse Models for Muscular Dystrophy

Project description:Comparative analysis of gene expression levels from hindlimb muscle tissue from 8 week old mouse models for muscular dystrophy. We have used mouse models with dystrophin-, sarcoglycan-, sarcospan-, or dysferlin-deficiency. Keywords = muscular dystrophy

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Project description:Duchenne muscular dystrophy (DMD) is caused by genetic deficiency of dystrophin and characterized by massive structural and functional changes of skeletal muscle tissue, leading to terminal muscle failure. In this project, proteomics data from skeletal muscle of a genetically engineered DMD pig model were investigated in order to confirm muscular fibrosis and MSOT signals.

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Project description:The mdx mouse (C57BL/10ScSn-DMDmdx/J), like Duchenne muscular dystrophy (DMD) patients, lacks the protein dystrophin. However, the mdx mouse has a normal lifespan and mild pathology while DMD remains a severe, fatal disease. New mouse models have been developed that are more severely affected but they have not replaced the mdx mouse in DMD research. A few years ago RNA-sequencing (RNA-seq) results of biopsies from DMD and normal human muscle were published but we could not find equivalent data for the mouse. We now report RNA-sequencing of three wild-type and mdx mouse muscles: the flexor digitorum brevis (FDB), the extensor digitorum longus (EDL), and the soleus (SOL). The FDB, a plantar foot muscle is often used for in vivo and ex vivo experiments but may be less affected by the lack of dystrophy than the hindlimb muscles. We compared muscles from 2- and 5-month old mice to investigate the time-course of the mdx pathology. The results show a muscle- and age-dependent parallel between mdx and DMD muscles. Although the FDB is less affected than EDL and SOL at 2 months, the three muscles show, at both ages, activation of close to 100 genes from 7 pathways that are affected in presymptomatic DMD patients and have been called "DMD disease signature".

2021-06-22 | GSE162455 | GEO

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