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Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma [TCR-Seq]

ABSTRACT: Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma [TCR-Seq]

PROVIDER: PRJNA784303 | ENA |

REPOSITORIES: ENA

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Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma

Project description:Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma

| PRJNA784301 | ENA

Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma [TCR-Seq]

Project description:Two percent of children with Neuroblastoma, a pediatric solid tumor of the peripheral nerve ganglia, develop Opsoclonus Myoclonus Ataxia Syndrome (OMAS), a paraneoplastic disease characterized by devastating cerebellar and brainstem-directed autoimmunity, but typically with outstanding cancer-related outcomes. Here, we compared tumor transcriptomes and tumor infiltrating T- and B-cell repertoires from a cohort of OMAS subjects with neuroblastoma to a set of controls from 13 low- and 13 high-risk non-OMAS associated neuroblastoma tumors.

2023-08-01 | GSE189742 | GEO

Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma [RNA-Seq]

Project description:Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma [RNA-Seq]

| PRJNA782665 | ENA

Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma [BCR-Seq]

Project description:Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma [BCR-Seq]

| PRJNA784304 | ENA

Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma [BCR-Seq]

2023-08-01 | GSE189741 | GEO

Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma [RNA-Seq]

2023-08-01 | GSE189367 | GEO

Polyclonal lymphoid expansion drives paraneoplastic autoimmunity in neuroblastoma

Project description:This SuperSeries is composed of the SubSeries listed below.

2023-08-01 | GSE189743 | GEO

Personalized neoantigen-based T cell therapy triggers cytotoxic lymphocytes expressing polyclonal TCR against metastatic ovarian cancer

Project description:Neoantigen-reactive cytotoxic T lymphocytes play a vital role in precise cancer cell elimination. In this study, we demonstrate the effectiveness of personalized neoantigen-based T cell therapy in inducing tumor regression in two patients suffering from heavily-burdened metastatic ovarian cancer. Our approach involved the development of a robust pipeline for ex vivo expansion of neoantigen-reactive T lymphocytes. Neoantigen peptides were designed and synthesized based on the somatic mutations of the tumors and their predicted HLA binding affinities. These peptides were then presented to T lymphocytes through co-culture with neoantigen-loaded dendritic cells for ex vivo expansion. Subsequent to cell therapy, both patients exhibited significant reductions in tumor marker levels and experienced substantial tumor regression. One patient achieved repeated cancer regression through infusions of T cell products generated from newly identified neoantigens. Transcriptomic analyses revealed a remarkable increase in neoantigen-reactive cytotoxic lymphocytes in the peripheral blood of the patients following cell therapy. These cytotoxic T lymphocytes expressed polyclonal T cell receptors (TCR) against neoantigens, along with abundant cytotoxic proteins and pro-inflammatory cytokines. The efficacy of neoantigen targeting was significantly associated with the immunogenicity and TCR polyclonality. Notably, the neoantigen-specific TCR clonotypes persisted in the peripheral blood after cell therapy. Our findings indicate that personalized neoantigen-based T cell therapy triggers cytotoxic lymphocytes expressing polyclonal TCR against ovarian cancer, suggesting its promising potential in cancer immunotherapy.

2023-12-01 | GSE248401 | GEO

scRNA-seq + TCR-seq of mouse polyclonal CD4+ T cells prior to and after re-infection.

Project description:Naturally-acquired immunity to blood-stage malaria is associated with several effector CD4 + T subsets including germinal centre (GC) Tfh, Th1 and Tr1 cells. Children in malaria-endemic regions can experience repeated Plasmodium infections over short periods of time; yet the effect of reinfection on multiple co-existing effector and memory subsets remains unclear. Here, we tracked antigen-experienced polyclonal CD4+ T cells during Plasmodium re-infection in mice using scRNA-seq/TCR-seq.

2024-05-02 | GSE233713 | GEO

Expression data from BDC2.5 TCR Tg thymocytes on B6g7 and NOD background

Project description:The aim of this study was to quantify the impact of NOD genetic vatiation on the transcriptional programs induced by the alpha beta-TCR at the DN to DP transition in the BDC2.5 TCR Tg model CD4 and CD8-complement mediated depletion followed by FACS Experiment type: BDC2.5 TCR Tg or polyclonal B6g7 versus NOD

2012-01-10 | E-GEOD-34935 | biostudies-arrayexpress

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