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Comparison of C57Bl/KalwRij mouse bone marrow to C57BL6 mouse bone marrow

ABSTRACT: Multiple myeloma is a fatal hematological malignancy. In order to develop effective therapeutic approaches, it is critical to understand the pathogenesis of myeloma. The Radl 5T model of multiple myeloma is a clinically relevant murine model where myeloma spontaneously occurs in aged, in-bred C57BlKalwRij mice and can be propagated by intravenous inoculation of 5T myeloma cells into mice of the same strain. Importantly inoculation of 5T myeloma cells into C57Bl6 mice does not result in myeloma, demonstrating that the bone marrow (BM) microenvironment of the C57BlKalwRij strain provides a unique and permissive milieu for myeloma development. We hypothesized that cells of the BM microenvironment may provide essential stimuli for the development of multiple myeloma in vivo. We aim to determine the differences in expression within the bone marrow of C57Bl/KalwRij mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE31532 | GEO | 2011/08/19

SECONDARY ACCESSION(S): PRJNA145499

REPOSITORIES: GEO

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Comparison of C57Bl/KalwRij mouse bone marrow to C57BL6 mouse bone marrow

Project description:Multiple myeloma is a fatal hematological malignancy. In order to develop effective therapeutic approaches, it is critical to understand the pathogenesis of myeloma. The Radl 5T model of multiple myeloma is a clinically relevant murine model where myeloma spontaneously occurs in aged, in-bred C57BlKalwRij mice and can be propagated by intravenous inoculation of 5T myeloma cells into mice of the same strain. Importantly inoculation of 5T myeloma cells into C57Bl6 mice does not result in myeloma, demonstrating that the bone marrow (BM) microenvironment of the C57BlKalwRij strain provides a unique and permissive milieu for myeloma development. We hypothesized that cells of the BM microenvironment may provide essential stimuli for the development of multiple myeloma in vivo. We aim to determine the differences in expression within the bone marrow of C57Bl/KalwRij mice. Comparison of C57Bl/KalwRij mouse bone marrow to C57BL6 mouse bone marrow

2011-08-18 | E-GEOD-31532 | biostudies-arrayexpress

Multiple myeloma-derived extracellular vesicles modulate the bone marrow immune microenvironment

Project description:One of the hallmarks of multiple myeloma (MM) is a permissive BM microenvironment. Increasing evidence suggest that cell-to-cell communication between myeloma and immune cells via tumor cell-derived extracellular vesicles (EV) plays a key role in the pathogenesis of MM. Hence, we aimed to explore BM immune alterations induced by MM-derived EV. For this, we inoculated immunocompetent BALB/cByJ mice with a myeloma cell line - MOPC315.BM -, inducing a MM phenotype. Upon tumor establishment, characterization of the BM microenvironment revealed the expression of both activation and suppressive markers by lymphocytes, such as Granzyme b and PD-1, respectively. In addition, conditioning of the animals with MOPC315.BM-derived EV, before transplantation of the MOPC315.BM tumor cells, did not anticipate the disease phenotype. However, it induced features of suppression in the BM milieu, such as an increase in PD-1 expression by CD4+ T cells. Overall, our findings reveal the involvement of MOPC315.BM-derived EV protein content as promoters of immune niche remodeling, strengthening the importance of assessing the mechanisms by which MM may impact the immune microenvironment.

2022-07-05 | PXD032934 | Pride

Transcriptomic analysis of Multiple Myeloma bone marrow microenvironment

Project description:Transcriptomic analysis of Multiple Myeloma bone marrow microenvironment

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scRNAseq of the bone marrow immune microenvironment in control and 5TGM1 myeloma-bearing C57Bl/6 and KaLwRij mice

Project description:We hypothesized that the immune microenvironment of the bone marrow influences the progression of myeloma outgrowth in the 5TGM1 transfer model of multiple myeloma. Therefore we sorted bone marrow T, B, NK, neutrophils, and monocytes/macrophages from control and tumor-bearing C57Bl/6 and KaLwRij mice.

2023-02-23 | E-MTAB-12616 | biostudies-arrayexpress

Bulk RNAseq of control and 5TGM1 myeloma-bearing bone marrow T, NK, and non-hematopoietic stromal cells from C57Bl/6 mice

Project description:We hypothesized that the immune microenvironment of the bone marrow influences the progression of myeloma outgrowth in the 5TGM1 transfer model of multiple myeloma. Therefore we sorted bone marrow T, NK, and non-hematopoietic stromal cells from control and tumor-bearing C57Bl/6 mice.

2023-02-24 | E-MTAB-12615 | biostudies-arrayexpress

The gene expression profiles of human bone marrow stromal cells derived from multiple myeloma patients

Project description:Bone marrow stromal cells (BMSCs) and their exosomes are a promising area of cancer therapy. Multiple myeloma (MM) is refractory hematologic malignancy. Bone marrow stromal cells (BMSCs) interact with MM cells in the bone marrow (BM), and also create a permissive microenvironment for MM cell growth and survival. Recent evidence indicated that exosome-mediated MM cell-BMSC communication plays an important role in the MM microenvironment. In this study, we investigated the biological property of the exosomes and exosomal miRNAs derived from BMSCs, aiming to establish the emerging strategies to target MM microenvironment to prevent tumor growth and spread.

2018-07-14 | GSE108915 | GEO

Gene expression analysis of bone marrow stromal cells from multiple myeloma patients and controls

Project description:Multiple myeloma is hematologic malignancies result from clonal proliferation of plasma cells. Recently, increasing evidence supports the hypothesis that microenvironment cells play important roles in the proliferation, survival, and drug resistance of clonal plasma cells. The aim of this study is to culture stromal cells from bone marrow aspirates of patients with multiple myeloma, and to investigate expression profiles of bone marrow stromal cells and their relationships with the clinical characteristics of patients. RNA was extracted cultured bone marrow stromal cells from 15 patients with plasma cell neoplasms, and bone marrow stromal cells from 13 control patients with 9 B-cell lymphoma patients with no evidence of BM involvement and 4 patients with mild-to-moderate cytopenia without evidence of hematologic malignancies

2016-08-20 | E-GEOD-85837 | biostudies-arrayexpress

Expression profiling in exosomal miRNAs of human bone marrow stromal cells derived from multiple myeloma patients

2018-06-08 | GSE110271 | GEO

Expression profiling in cellular miRNAs of human bone marrow stromal cells derived from multiple myeloma patients

Project description:Bone marrow stromal cells (BMSCs) and their exosomes are a promising area of cancer therapy. Multiple myeloma (MM) is a refractory hematologic malignancy. Bone marrow stromal cells (BMSCs) interact with MM cells in the bone marrow (BM), and also create a permissive microenvironment for MM cell growth and survival. Recent evidence indicated that exosome-mediated MM cell-BMSC communication plays an important role in the MM microenvironment. In this study, we investigated the biological property of the exosomes and exosomal miRNAs derived from BMSCs, aiming to establish the emerging strategies to target MM microenvironment to prevent tumor growth and spread.

2018-06-08 | GSE110238 | GEO

Proteomic characterization of human multiple myeloma bone marrow

Project description:Glavey SV, Naba A, Manier S, Clauser KR, Tahri S, Park J, Reagan MR, Moschetta M, Mishima Y, Gambella M, Rocci A, Sacco A, Asara JM, Palumbo A, Roccaro AM, Hynes RO, Ghobrial IM. The extracellular matrix (ECM) is a major component of the tumor microenvironment, contributing to the regulation of cell survival, proliferation, differentiation and metastasis. In multiple myeloma (MM), interactions between MM cells and the bone marrow (BM) microenvironment, including the BM ECM, are critical to the pathogenesis of the disease and the development of drug resistance. Nevertheless, composition of the ECM in MM and its role in supporting MM pathogenesis has not been reported. We have applied a novel proteomic-based strategy and defined the BM ECM composition in patients with monoclonal gammopathy of undetermined significance (MGUS), newly diagnosed and relapsed MM compared to healthy donor-derived BM ECM. In this study, we show that the tumor ECM is remodeled at the mRNA and protein level in MGUS and MM to allow development of a permissive microenvironment. We further demonstrate that two ECM-affiliated proteins, ANXA2 and LGALS1, are more abundant in MM and high expression is associated with a decreased overall survival. This study points to the importance of ECM remodeling in MM and provides a novel proteomic pipeline for interrogating the role of the ECM in cancers with BM tropism

2017-01-06 | MSV000080451 | MassIVE

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