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Comparison of pDCs isolated from recipients of STAT1+/+ vs. STAT1-/- bone marrow

ABSTRACT: The goal of this study is to determine if pDCs reconstituted from T cell depleted allogeneic STAT1-/- bone marrow express genes that contribute to Graft versus host disease (GVHD) resistance as compared to STAT1+/+ bone marrow

ORGANISM(S): Mus musculus

PROVIDER: GSE59731 | GEO | 2014/07/25

SECONDARY ACCESSION(S): PRJNA256073

REPOSITORIES: GEO

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Comparison of pDCs isolated from recipients of STAT1+/+ vs. STAT1-/- bone marrow

Project description:The goal of this study is to determine if pDCs reconstituted from T cell depleted allogeneic STAT1-/- bone marrow express genes that contribute to Graft versus host disease (GVHD) resistance as compared to STAT1+/+ bone marrow Lethally irradiated B6 x C3H.SW mice were transplanted with T cell depleted 129 or 129 STAT1-/- bone marrow. 14 days later, pDCs were isolated from spleens by magnetic cell selection, and pooled from 12 mice/group. cDNA was generated and hybridized to an Affymetrix genechip mouse genome 430 2.0 array. Samples were normalized by RMA algorithm to a log2 intensity value and analyzed by Ingenuity Pathway Analysis v8.5 software.

2014-07-25 | E-GEOD-59731 | biostudies-arrayexpress

Genome-wide maps of H3K27ac in HDAC3 knockout bone marrow pDCs compared with control pDCs

Project description:Hdac3 is highly expressed in pDCs, and its deficiency led to substantially impaired development of pDCs, but not cDCs in bone marrow (BM) and spleen. Meanwhile,further investigation demonstrated that HDAC3 was required for the differentiation of pDC from progenitors at different differentiation stages in vitro. Cut & Tag analysis of H3K27ac level in HDAC3 deficient bone marrow pDCs compared with control pDCs, showed that H3K27ac level significantly increased on cDC related genes with PU.1 binding sites in HDAC3 knockout pDCs.

2022-05-27 | GSE197212 | GEO

Single cell RNA sequencing of mouse donor T cells after graft-versus-host disease (GVHD) model

Project description:Lethally irradiated mice were transferred with bone marrow cells together with allogeneic Treg cells isolated from CD226+/+ TIGIT+/+, CD226-/- TIGIT+/+, CD226+/+ TIGIT-/-, or CD226-/- TIGIT-/- mice, followed by allogeneic wild-type Tconv cells two days later to induce acute GVHD. We performed scRNA sequencing of donor T cells isolated from the spleen of recipient mice eight days after GVHD induction.

2021-05-18 | GSE155250 | GEO

Signatures of GVHD and Relapse after Post-Transplant Cyclophosphamide Revealed by Immune Profiling and Machine Learning [17618R]

Project description:Lymphocyte subsets (CD8, CD4 Tconv, CD4 Treg) were sorted from patients' peripheral blood obtained 180 days after matched-donor allogeneic bone marrow transplantation followed by posttransplant cyclophosphamide (PTCy) as a single agent GVHD prophylaxis (NCT00809276). Cohort of patients developed GVHD, or remained GVHD-free. RNA-sequencing was performed to analyze the transcriptional landscape of alloresponse in post-PTCy breakthrough GVHD.

2021-09-28 | GSE182678 | GEO

Signatures of GVHD and Relapse after Post-Transplant Cyclophosphamide Revealed by Immune Profiling and Machine Learning [15065R]

Project description:Lymphocyte subsets (CD8, CD4 Tconv, CD4 Treg) were sorted from patients' peripheral blood obtained on day 28 after matched-donor allogeneic bone marrow transplantation followed by posttransplant cyclophosphamide (PTCy) as a single agent GVHD prophylaxis (NCT00809276). Cohort of patients developed GVHD, or remained GVHD-free. RNA-sequencing was performed to analyze the transcriptional landscape of alloresponse in post-PTCy breakthrough GVHD.

2021-09-28 | GSE182610 | GEO

Expression analysis from Runx2-deficient pDCs from mouse

Project description:Plasmacytoid dendritic cells (pDCs) rapidly produce type I interferon (IFN-I) in response to viruses and are essential for antiviral immune responses. Although related to classical dendritic cells (cDCs) in their development and expression profile, pDCs possess many distinct features. Unlike cDCs, pDCs develop in the bone marrow (BM) and emerge into peripheral lymphoid organs and tissues as fully differentiated cells. We now report that pDCs specifically express Runx2, a Runt family transcription factor that is essential for bone development. Runx2-deficient murine pDCs developed normally in the BM but were greatly reduced in the periphery. The defect was cell-intrinsic and was associated with the retention of mature Ly49Q+ pDCs in the BM. Runx2 was required for the expression of several pDC-enriched genes including chemokine receptors Ccr2 and Ccr5. Mature pDCs expressed high levels of Ccr5 at the surface, and Ccr5-deficient pDCs in a competitive setting were reduced in the periphery relative to the BM. Thus, Runx2 is required for the emergence of mature BM pDCs into the periphery, in a process that is partially dependent on Ccr5. These results establish Runx2 as a lineage-specific regulator of immune system development. Total BM cells were isolated from Runx2-/- and wildtype fetal liver chimeras 2 months post-reconstitution. BM cells were stained with antibodies against surface markers CD11b, CD11c, BST2, and B220. CD11b- BST2+ B220+ pDCs were purified by flow cytometry on a BD FACS Aria. RNA was purified immediately and prepared for microarray analysis using the Ambion WT labeling kit. Expression was analyzed using Affymetrix Mouse Gene 1.0 ST.

2013-09-30 | E-GEOD-49859 | biostudies-arrayexpress

Mus musculus

Project description:Comparison of pDCs isolated from recipients of STAT1+/+ vs. STAT1-/- bone marrow

| PRJNA256073 | ENA

Expression analysis from Runx2-deficient pDCs from mouse

2013-09-30 | GSE49859 | GEO

Signatures of GVHD and Relapse after Post-Transplant Cyclophosphamide Revealed by Immune Profiling and Machine Learning [17941R-18740R]

Project description:Lymphocyte subsets (CD8, CD4 Tconv, NK cells) were sorted from patients' peripheral blood obtained on day 28 after haploidentical-donor allogeneic bone marrow transplantation followed by posttransplant cyclophosphamide (PTCy), tacrolimus, and MMF as GVHD prophylaxis (NCT00796562). Cohort of patients developed GVHD, or remained GVHD-free. Cohort of patients developed disease relapse, or remained relapse-free. RNA-sequencing was performed to analyze the transcriptional landscape of alloresponse in post-PTCy breakthrough GVHD and relapse.

2021-09-28 | GSE182612 | GEO

Effect of hBD-2 treatment on gene expression in the colon of acute graft-versus-host disease (GVHD) mice

Project description:Wildtype (WT) BALB/c mice were treated with allogeneic hematopoietic cell transplantation (allo-HCT) in order to induce acute GVHD. C57BL/6 mice were used bone marrow (BM) and T cell donor mice. We studied the effect of oral hBD-2 treatment versus vehicle (PBS) control treatment on the gene expression in the colon, as main GVHD target organ.

2022-12-23 | GSE190796 | GEO

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