Gene Expression Nebulas
基于标准化流程分析的转录图谱综合数据库

Gene Expression Nebulas

多物种转录图谱整合数据库

PRJNA277876: Functional Inflammatory Profiles Distinguish Myelin-Reactive T Cells from Patients with Multiple Sclerosis

来源: NCBI / GSE66763
提交时间: Mar 10 2015
释放时间: May 18 2015
最后更新时间: May 15 2019

概要: Myelin-reactive T cells have been identified in patients with multiple sclerosis (MS) and healthy subjects with comparable frequencies, but the contribution of these autoreactive T cells to disease pathology remains unknown. A total of 13,324 T cell libraries generated from blood of 23 patients and 22 healthy controls were interrogated for reactivity to myelin antigens. Libraries derived from CCR6+ myelin-reactive T cells from patients with MS exhibited significantly enhanced production of IFN-b, IL-17, and GM-CSF compared to healthy controls. Single-cell clones isolated by MHC/peptide tetramers from CCR6+ T cell libraries also secreted more pro-inflammatory cytokines while clones isolated from controls secreted more IL-10. The transcriptomes of myelin-specific CCR6+ T cells from patients with MS were distinct from those derived from healthy controls, and of note, were enriched in Th17-induced experimental autoimmune encephalitis (EAE) gene signatures and gene signatures derived from Th17 cells isolated other human autoimmune diseases. These data, although not casual, imply that functional differences between antigen specific T cells from MS and healthy controls is fundamental to disease development and support the notion that IL-10 production from myelin-reactive T cells may act to limit disease progression, or even pathogenesis.

项目整体设计: Four conditions of purified T cells with between 3 and 5 replicates per condition.

GEN 数据集:
GEND000335
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方案
生长方案: CCR6+ memory CD4+ T cells from HLA-DR4+ healthy controls and HLA-DR4+ MS patients were amplified by PHA and IL-2 and stimulated by irradiated autologous monocytes and DR4 myelin peptides (MOG97-109 and PLP180-199). Cell proliferation was measured and two of the highest proliferated wells were picked for DR4 tetramers staining (MOG97-109-tetramers and PLP180-199-tetramers). Myelin tetramer+ and tetramer− cells were sorted into RNA lysis buffer for RNA sequencing.
处理方案: Amplified T cell libraries assay were carried out as previous described (Geiger, 2009). Naïve, CCR6− and CCR6+ memory CD4+ T from paired MS patients and healthy controls were pre-sorted and cultured in 96-well round-bottom plates (Costar) at 2 × 103 cells per well in complete RPMI 1640 medium, and stimulated with 1 μg/ml PHA (Roche) and 20 U/ml IL-2 in the presence of irradiated (45Gy) allogeneic feeder cells (2×104/well). IL-2 was added on day 4, 7 and 10. Cultures were washed and split into two 96-well plates after 2-weeks of stimulation and expansion. Library screening was performed by culturing ~ 106 T cells/well with autologous monocytes (~105), which were either unpulsed or pulsed for 3 h with 10 μg/ml myelin peptide pools (MBP85-99, MOG222-241, PLP30-49, PLP129-148, MOG97-109, PLP180-199), or C. albicans (GREER). [3H] (Perkin Elmer) was added into the cultures 16 h before harvest. On day 5, cell proliferation was measured by 3H-thymidine incorporation on a scintillation beta-counter (Perkin Elmer). Culture supernatants were taken on day 7 for cytokine profiling as described below.
提取方案: RNA was extracted using the NucleoSpin RNA XS Kit (Macherey-Nagel, Bethlehem, PA) according to the manufacturers instructions.
建库方案: cDNA synthesis and amplification were performed using SMARTer Ultra Low Input RNA for Illumina Sequencing High Volume Kit (Clontech, Mountain View, CA) according to the manufacturers instructions. The average number of cells used to isolate RNA was 3,000, which yielded >1ng input RNA. Paired-end sequencing libraries were prepared using the Nextera XT DNA sample Prep Kit (Illumina, SanDiego, CA) according to the manufacturers instructions.
测序信息
分子类型: rRNA- RNA
库的片段类型: PAIRED
库的链类型: -
测序平台: ILLUMINA
测序仪型号: Illumina HiSeq 2500
链特异性: Unspecific
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数据来源 GEN样本编号 GEN数据集编号 系列编号 项目编号 样本编号 样本名称 生物样本编号 样本访问号 实验访问号 释放时间 提交时间 最后更新时间 物种 种族 族裔 年龄 年龄单位 性别 来源名称 组织 细胞类型 细胞亚型 细胞系 疾病 疾病状态 发育阶段 突变/变异 表型 Condition Detail 生长方案 处理方案 提取方案 建库方案 分子类型 库的片段类型 链特异性 库的链类型 加标(Spike-In) 测序方法 测序平台 测序仪型号 细胞数 测序片段数 碱基数 平均测序片段长度_1 平均测序片段长度_2 唯一比对率 多重比对率 覆盖度
文章
Functional inflammatory profiles distinguish myelin-reactive T cells from patients with multiple sclerosis.
Science translational medicine . 2015-05-01 [PMID: 25972006]