Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA97193 | ENA |
REPOSITORIES: ENA
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Project description:Comparison of gene expression data from thalidomide modulated- and unmodulated-MSCs from patients with idiopathic thrombocytopenic purpura (ITP).
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Project description:Whole blood transcriptional profiling of pediatric idiopathic thrombocytopenic purpura (ITP) patients comparing self-limited acute ITP patients with chronic ITP patients or progression-to-chronic ITP patients.
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Project description:Comparison of gene expression data from thalidomide modulated- and unmodulated-MSCs from patients with idiopathic thrombocytopenic purpura (ITP). This experiment consists of 3 arrays.
2013-03-12 | E-GEOD-44948 | biostudies-arrayexpress
Project description:Whole blood transcriptional profiling of pediatric idiopathic thrombocytopenic purpura (ITP) patients comparing self-limited acute ITP patients with chronic ITP patients or progression-to-chronic ITP patients. Patient samples were collected during 3 different disease states: 8 samples from acute ITP pts (within 6 months of dx, during active disease), 4 samples from progression-to-chronic ITP pts (within 6 months of dx), and 14 samples from chronic ITP (after 6 months of dx).
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Project description:Genome wide expression in ADAMTS13-deficient thrombotic thrombocytopenic purpura TTP
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Project description:Idiopathic thrombocytopenic purpura (ITP) is an autoimmune disorder characterized by antiplatelet autoantibodies, thrombocytopenia, and bleeding, however, its treatment options are limited. In this study, a kind of active component, caffeoylquinic acid compounds from sweetpotato leaves was extracted out to explore its medicinal value and provide novel therapeutic strategies for the treatment of ITP. We isolated three compounds from the n-butanol extract of sweetpotato leaves. Caffeoylquinic acids could participate the immune balance of T-helper 17 lymphocytes (Th17) / regulatory T cells (Treg) in a murine model of ITP, which was established by injection of antiplatelet antibody. Further quantitative proteomics analysis revealed that caffeoylquinic acid could activate AMPK signaling pathway. It suggested that caffeoylquinic acid may provide a novel therapeutic strategy that relies on the AMPK pathway.
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Project description:Splenic tissues from immune thrombocytopenia purpura (ITP) patients splenectomized after primary failure of treatment with the B-cell depleting agent rituximab were analyzed, and antibody-secreting cells were identified as the major B-cell population resisting the treatment. The phenotype, antibody specificity and gene expression profile of these cells were characterized and compared to antibody-secreting cells from untreated ITP spleens and from healthy tissues. Anti-platelet-specific plasma cells (PC) were detected in the spleen of ITP patients up to 6 months after rituximab treatment, and the PC population displayed a long-lived program similar to the one of bone marrow PC, thus explaining for most of these patients the absence of response to rituximab and the response to splenectomy. When analyzed by multiplex PCR at the singlecell level, normal splenic PC showed a markedly different gene expression profile, with an intermediate signature including genes characteristic of both long-lived PC and proliferating plasmablasts. Surprisingly, long-lived PC were not detected either in the inflammatory environment of the untreated ITP spleen. These results suggest that neither the normal nor the auto-immune splenic environment favors the differentiation and residence of long-lived PC, and that it is most probably the milieu generated by B-cell depletion that promotes their local settlement.
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Project description:Gene expression profiling of immortalized human mesenchymal stem cells with hTERT/E6/E7 transfected MSCs. hTERT may change gene expression in MSCs. Goal was to determine the gene expressions of immortalized MSCs.
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