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Gene expression clusters change and molecular correlation via STING pathway between orbital MALT lymphoma and orbital IgG4-related eye diseases

ABSTRACT: Gene expression clusters change and molecular correlation via STING pathway between orbital MALT lymphoma and orbital IgG4-related eye diseases

PROVIDER: PRJNA1157331 | ENA |

REPOSITORIES: ENA

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Gene expression clusters change and molecular correlation via STING pathway between orbital MALT lymphoma and orbital IgG4-related eye diseases

Project description:Purpose: MALT lymphoma orbital region and IgG4-related eye disease (IGG4ROD) account for the majority of mass lesions in the orbital region. They may show similar shadows on radiological images, and many cases are difficult to differentiate clinically. We investigated what kind of gene expression cluster(RNA-seq) and molecular differences are responsible for two diseases. Methods: Total RNA was extracted from fresh tissues in 20 cases which were histopathologically diagnosed from 20XX to 20XX, and a sequence library was created. Next-generation sequencing analysis (RNA-seq, NovaSeq6000) was performed to compare gene expression between the two groups, and principal component analysis and cluster hierarchy analysis were performed. Results: In principal component analysis, orbital MALT lymphoma and IgG4ROD were clustered in component 2in PCA analysis. Clear cluster differences were observed, except for one case that appeared to be IgG4-producing MALT lymphoma. In addition, cluster analysis showed that one case that appeared to be IgG4-producing MALT lymphoma was located just between the IGG4ROD and MALT lymphoma clusters. Furthermore, in a comparison of up regulator analysis between IgG4ROD and MALT lymphoma, 582 genes were identified as candidates(p<0.01). Pathway analysis of MALT lymphoma suggested that the Sting pathway be activated. Sting pathway-down-stream analysis were significant eight gene expression changes)P<0.05). In addition, STING immunohistochmical analysis were detected different formed staining pattern using quantitative evaluation in IgG4ROD and MALT(P<0.01). Conclusion: MALT lymphoma orbital and IgG4-related eye disease (IGG4ROD) can be divided into two clusters of gene expression. The Sting pathway may be a important pathway specific to orbital MALT lymphoma compared with orbital IgG4ROD.

2025-09-01 | GSE276421 | GEO

IgG4-ROD and orbital MALT lymphoma

Project description:The molecular pathogenesis of orbital lymphoproliferative disorders, such as immunoglobulin G4-related ophthalmic disease (IgG4-ROD) and orbital mucosa-associated lymphoid tissue (MALT) lymphoma, remains essentially unknown. Differentiation between the two disorders, which is important since work-up and treatment can vary greatly, is often challenging due to the lack of specific biomarkers. Although miRNAs play an important role in the regulation of carcinogenesis and inflammation, the relationship between miRNA and orbital lymphoproliferative diseases remains unknown. A comprehensive analysis of 2,565 miRNAs was performed in biopsied specimens and serum of 17 cases with IgG4-ROD and 21 cases with orbital MALT lymphoma. We identified specific miRNA signatures, their miRNA target pathways, and network analysis associated with IgG4-ROD and orbital MALT lymphoma. Machine-learning analysis identified miR-202-3p and miR-7112-3p as the best discriminators of IgG4-ROD and orbital MALT lymphoma, respectively. In the tissue pathway, Longevity regulating pathway in IgG4-ROD and MAPK signaling pathway in orbital MALT lymphoma were most enriched by downregulated miRNAs. This is the first evidence of the miRNA profile in biopsied specimens and serum of patients with IgG4-ROD and orbital MALT lymphoma. These data will be useful for developing diagnostic and therapeutic interventions, as well as elucidating of these disorders.

2021-08-01 | GSE155177 | GEO

IgG4-ROD and orbital MALT lymphoma

Project description:IgG4-ROD and orbital MALT lymphoma

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Transcriptomic Profiling of Thyroid Eye Disease Orbital Fibroblasts

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Orbital Cavernous Hemangioma Tissues: Control vs. Benign Lymphoepithelial Lesions of the Lacrimal Gland tissues

Project description:Aim to investigate the pathogenesis of BLEL of the lacrimal gland, which is a kind of IgG4 related disease. A prospective study. Orbital Cavernous Hemangioma Tissues (nine continuous cases) vs. Benign Lymphoepithelial Lesions of the Lacrimal Gland tissues (nine continuous cases). Duplicate chips were used for each RNA sample.

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Gene expression cluster differences and molecular correlation with the STING pathway in orbital MALT lymphoma and orbital IgG4-related eye disease.

Project description: Not available

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2021-06-19 | E-MTAB-10479 | biostudies-arrayexpress

Analysis of gene expression in orbital tissue in thyroid-associated eye disease

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microRNA-seq data of orbital connective tissues from thyroid eye disease patients

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