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Single cell Transcriptomic analysis of CD8+ T cells from bone marrow chimeras reconstituted with CD137 wild-type or knock out bone marrow, and implanted with B16K1 melanoma.

ABSTRACT: We report the single cell RNA sequencing of mouse CD8+ T cells in bone marrow chimeras reconsitituted with equal amounts of CD137-/-tomato+ and CD137-/-tomato- bone marrow implanted with B16K1 melanoma. CD8 T cells from the spleen or the tumor infiltrate are compared.

ORGANISM(S): Mus musculus

PROVIDER: GSE205703 | GEO | 2023/06/30

REPOSITORIES: GEO

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Transcriptomic analysis of VK12653 Multiple Myeloma bone marrow microenvironmentupon treatment with anti-CD137 agonists

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Single cell Transcriptomic analysis of CD8+ T cells treated with anti-CD137 agonists within VK12653 Multiple Myeloma bone marrow microenvironment .

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CD137-CIS IO

Project description:CD137 cis-costimulation is superior to trans-costimulation at inducing transcriptomic differences in T-cell proliferation and DNA repair programs We used microarrays to detail differentially expressed genes of cis- and trans CD137-costimulated CD8 T cells with respect to CD3-TCR stimulation

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Gene expression patterns of tumor-infiltrating CD8 T cells according to the CD137 expression in human metastatic ovarian cancer

Project description:We report the differences of gene expression pattern of tumor-infiltrating CD8 T cells between CD137 expressing cells and CD137 non-expressing cells in human metastatic ovarian cancer. Samples are obtained from 3 ovarian cancer patients, and we sorted CD137 expressing cells and CD137 non-expressing cells in CD39 expressing CD8 T cells for RNA sequencing. We found that even though the CD39 expression and PD-1 expression levels are similar, CD137 expressing cells showed more activated and less exhausted phenotypes than CD137 non-expressing cells.

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CD137-CIS IO

Project description:CD137-CIS IO

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CD137 promotes bone metastasis of breast cancer by enhancing the migration and osteoclast differentiation of monocytes/macrophages

Project description:Rationale: Bone is the most common metastatic site of breast cancer. CD137(4-1BB), a member of the tumor necrosis factor (TNF) receptor superfamily, is mainly expressed in activated leukocytes. Previous study demonstrates the effect of CD137-CD137L bidirectional signaling pathway on RANKL-mediated osteoclastogenesis. However, the role of CD137 in bone metastasis of breast cancer needs further study. Methods: Stable monocyte/macrophage cell lines with Cd137 overexpression and silencing were established. Western blot, real-time PCR, transwell and tartrate-resistant acid phosphatase staining were used to detect the regulatory effect of CD137 on migration and osteoclastogenesis of monocytes/macrophages in vitro. Spontaneous bone metastasis mouse model was established, bioluminescent images, immunohistochemistry and histology assay were performed to detect the function of CD137 in bone metastasis in vivo. Results: We found that CD137 promotes the migration of monocytes/macrophages to tumor microenvironment by upregulating the expression of Fra1. It also promoted the differentiation of monocytes/macrophages into osteoclasts at the same time, thus providing a favorable microenvironment for the colonization and growth of breast cancer cells in bone. Based on these findings, a novel F4/80-targeted liposomal nanoparticle encapsulating the anti-CD137 Ab blocking antibody (NP-aCD137 Ab-F4/80) was synthesized. This nanoparticle could inhibit both bone and lung metastases of 4T1 breast cancer cells with high efficacy in vivo. In addition, it increased the therapeutic efficacy of Fra1 inhibitor on tumor metastasis. Conclusions: Taken together, these findings reveal the promotion effect of macrophage/monocyte CD137 on bone metastases and provide a promising therapeutic strategy for metastasis of breast cancer.

2019-06-20 | GSE130013 | GEO

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Project description:The cell surface glycoprotein CD137, which is also known as 4-1BB, belongs to the group of co-stimulatory immune receptors and is a member of the TNF receptor superfamily (TNFRSF). It is preferentially found on activated T-cells and regulatory T-cells. In T-cells, CD137-crosslinking delivers a potent co-stimulatory signal as it promotes T-cell proliferation, formation of memory cells and enhances survival. Despite numerous studies investigating the effects of co-stimulatory CD137 in T-cells, little is known regarding the role of CD137 in human monocytes/macrophages. To investigate the effect of CD137 triggering on human monocytes, monocytes were isolated and treated with an agonistic CD137 mAb and subsequently analyzed by RNA-seq.

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4-1BB (CD137) in anticancer chimeras.

Project description: Not available

| S-EPMC7549314 | biostudies-literature

Bone Marrow Transplantation in Treating Patients With Hematologic Cancer

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Project description:OT-I CD8 T cells primed with cognate SIINFEKL peptide and agonists to the costimulatory receptors CD134 and CD137 were stimulated with and without IL-2, and then STAT5 ChIP-seq was performed.

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