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Analysis of IGH repertoire in MRL/lpr SLE prone mice treated with either control SMO or Long isoform of PRLR SMO

ABSTRACT: Analysis of IGH repertoire in MRL/lpr SLE prone mice treated with either control SMO or Long isoform of PRLR SMO

PROVIDER: PRJNA854087 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19898080_1.fastq.gz	Fastqsanger.gz
	SRR19898080_2.fastq.gz	Fastqsanger.gz
	SRR19898081_1.fastq.gz	Fastqsanger.gz
	SRR19898081_2.fastq.gz	Fastqsanger.gz
	SRR19898082_1.fastq.gz	Fastqsanger.gz

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Analysis of IGH repertoire in MRL/lpr SLE prone mice treated with either control SMO or Long isoform of PRLR SMO

Project description:Purpose: IGH sequencing has revolutionized analysis of structural and functional signatures of B cell clonality. The goals of this study are to compare IGH repertoire of splenic B cells before and after knockdown of long isoform of PRLR. Methods: After amplifying the IGH repertoire of splenic B cells using PCR primers for VHJ558 variable and Cμ constant regions. For next generation sequencing (NGS), a TrueSeq library was prepared by adapter ligation to full-length products and sequenced on the MiSeq Illumina 2x150 bp platform. Results: In this project, Unique nucleotide sequences were identified, their abundances were calculated, and their complementary determining region 3 (CDR3) length, CDR3 spectrum, VDJ usage, and diversity were analyzed using the International Immunogenetics Information System (IMGT) HighV-QUEST software. Controls are included C3,C4,C5,C7,C8 and C9. LFPRLR SMO treated mice samples are: A3,A4,A5,A6,A7 and A8

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MicroRNA profiling by PCR array of mouse Treg cells from non-autoimmune C3H/HeOuj and lupus prone MRL/lpr strains

Project description:Comparison of Treg miRNA expression between non-autoimmune C3H/HeOuj and lupus prone MRL/lpr mice

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Evaluation of microRNA levels in recipient BMMSCs of MRL/lpr mice after cell therapy (miRNA)

Project description:Mesenchymal stem cell transplantation (MSCT) has been widely used to treat a variety of human diseases. However, the detailed mechanisms underlying its success are not fully understood. Here we show that MSCT rescues recipient bone marrow mesenchymal stem cell (BMMSC) function in Fas-deficient-MRL/lpr systemic lupus erythematosus (SLE) mice via a miR-29b/Dnmt1/Notch epigenetic cascade. Using the microRNA microarray, we found that MSCT could rescue the high level of miR-29b in the recipient BMMSCs of MRL/lpr mice. In the present study, mesenchymal stem cell transplantation (MSCT) was used to treat MRL/lpr mice. One week after the treatment, normal control MSCs from C3H/HeJ mice (C3H), recipient MSCs from untreated MRL/lpr mice (LPR) and recipient MSCs from MSCT-treated MRL/lpr mice (MSC) were used for total RNA extraction and microRNA microarray for analysis of microRNA expressions.

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Evaluation of global methylation profile in recipient BMMSCs of MRL/lpr mice after cell therapy (MeDip)

Project description:Mesenchymal stem cell transplantation (MSCT) has been widely used to treat a variety of human diseases. However, the detailed mechanisms underlying its success are not fully understood. Here we show that MSCT rescues recipient bone marrow mesenchymal stem cell (BMMSC) function in Fas-deficient-MRL/lpr systemic lupus erythematosus (SLE) mice via rescuing their hypomethylated DNA profile. Using the methylation microarray, we found the global hypomethylation pattern in the recipient BMMSCs of MRL/lpr mice could be rescued by MSCT. In the present study, mesenchymal stem cell transplantation (MSCT) was used to treat MRL/lpr mice. One week after the treatment, normal control MSCs from C3H/HeJ mice (C3H), recipient MSCs from untreated MRL/lpr mice (LPR) and recipient MSCs from MSCT-treated MRL/lpr mice (MSC) were used for total DNA extraction and DNA methylation microarray for analysis of global genome methylation patterns.

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RNA Sequencing Facilitates Quantitative Analysis of Lupus (MRL/lpr) and Control（MRL/mpj）Mouse Microglia Tanscriptomes

Project description:Up to 75% of systematic lupus erythematosus (SLE) patients experience neuropsychiatric (NP) symptoms, called neuropsychiatric SLE (NPSLE), yet the underlying mechanisms remain elusive. Microglia control synaptic pruning during early postnatal brain development. The process in NPSLE remains unclear. Here, we show that microglia-coordinated elimination of synaptic terminals participated in NPSLE in MRL/lpr mice, a lupus-prone murine model. We elucidated that lupus mice developed increased depression- and anxiety-like behaviors and persistent phagocytic microglia reactivation before overt peripheral lupus pathology. Microglial engulfment of synapses explained behavioral disorders. To elucidate the mechanism of synaptic pruning by microglia, we sequenced the gene expression in sorted microglia from both lupus (MRL/lpr) mice and the wild-type (MRL/mpj) controls.

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miRNAs expression in kidneys tissues of MRL/lpr mice

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Diagnosis and early detection of CNS-SLE in MRL/lpr mice using peptide microarrays (GPL14921)

Project description:We investigated whether mouse serum autoantibody binding patterns on random-sequence peptide microarrays (immunosignaturing) can be used for diagnosing and predicting the onset of lupus and its central nervous system (CNS) manifestations. Submitter states "We have no processed data to submit. We have no gpr files to submit." To identify possible predictive and diagnostic peptides of lupus and CNS-lupus, we carried out two studies and selected peptides in common across both studies. In the first study we tested 3-6 MRL/lpr, MRL/mp and C3H/HeJ mice at four months of age. For study two we tested 9-10 MRL/lpr and MRL/mp at 1.5 and 4 months of age. In both studies the mice sera were diluted 1/500 and analyzed using microarray peptides from platform GPL14921. We ran each sample in triplicate. The MRL/lpr and MRL/mp are the autoimmune strains and the C3H/HeJ is the control strain.

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