EasySep™小鼠TIL（CD45）正选试剂盒
产品号 #15023_C
免疫密度负选试剂混合物
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总览
RosetteSep™人CD8+ T细胞富集抗体混合物通过负选从全血分离CD8+ T细胞。四聚体抗体复合物可识别非CD8+ T细胞以及红细胞（RBC）上的糖蛋白A，从而靶向去除非目的细胞。使用密度梯度离心液（如RosetteSep™ DM-L（产品号 #15705）或Lymphoprep™（产品号 #18060）离心后，非目的细胞会与红细胞一起沉淀。纯化的CD8+ T细胞为血浆和密度梯度离心液的交界界面中高度富集的细胞。
磁极兼容性
分类
细胞分选试剂盒
细胞类型
T 细胞，T 细胞，CD8+
种属
人
样本来源
白膜层、全血
分选方法
负选
应用
细胞分选
品牌
RosetteSep
研究领域
免疫
Data Figures
Protocols and Documentation
Find supporting information and directions for use in the Product Information Sheet or explore additional protocols below.
Applications
This product is designed for use in the following research area(s) as part of the highlighted workflow stage(s). Explore these workflows to learn more about the other products we offer to support each research area.
Resources and Publications
Educational Materials (8)
Frequently Asked Questions
Publications (22)
The surfaceome of multiple myeloma cells suggests potential immunotherapeutic strategies and protein markers of drug resistance. Nature communications 2022 jul
Abstract
The myeloma surface proteome (surfaceome) determines tumor interaction with the microenvironment and serves as an emerging arena for therapeutic development. Here, we use glycoprotein capture proteomics to define the myeloma surfaceome at baseline, in drug resistance, and in response to acute drug treatment. We provide a scoring system for surface antigens and identify CCR10 as a promising target in this disease expressed widely on malignant plasma cells. We engineer proof-of-principle chimeric antigen receptor (CAR) T-cells targeting CCR10 using its natural ligand CCL27. In myeloma models we identify proteins that could serve as markers of resistance to bortezomib and lenalidomide, including CD53, CD10, EVI2B, and CD33. We find that acute lenalidomide treatment increases activity of MUC1-targeting CAR-T cells through antigen upregulation. Finally, we develop a miniaturized surface proteomic protocol for profiling primary plasma cell samples with low inputs. These approaches and datasets may contribute to the biological, therapeutic, and diagnostic understanding of myeloma.
Classification of T-cell activation via autofluorescence lifetime imaging. Nature biomedical engineering 2020 jul
Abstract
The function of a T cell depends on its subtype and activation state. Here, we show that imaging of the autofluorescence lifetime signals of quiescent and activated T cells can be used to classify the cells. T cells isolated from human peripheral blood and activated in culture using tetrameric antibodies against the surface ligands CD2, CD3 and CD28 showed specific activation-state-dependent patterns of autofluorescence lifetime. Logistic regression models and random forest models classified T cells according to activation state with 97-99{\%} accuracy, and according to activation state (quiescent or activated) and subtype (CD3+CD8+ or CD3+CD4+) with 97{\%} accuracy. Autofluorescence lifetime imaging can be used to non-destructively determine T-cell function.
Translational control of tumor immune escape via the eIF4F-STAT1-PD-L1 axis in melanoma. Nature medicine 2018 OCT
Abstract
Preventing the immune escape of tumor cells by blocking inhibitory checkpoints, such as the interaction between programmed death ligand-1 (PD-L1) and programmed death-1 (PD-1) receptor, is a powerful anticancer approach. However, many patients do not respond to checkpoint blockade. Tumor PD-L1 expression is a potential efficacy biomarker, but the complex mechanisms underlying its regulation are not completely understood. Here, we show that the eukaryotic translation initiation complex, eIF4F, which binds the 5' cap of mRNAs, regulates the surface expression of interferon-$\gamma$-induced PD-L1 on cancer cells by regulating translation of the mRNA encoding the signal transducer and activator of transcription 1 (STAT1) transcription factor. eIF4F complex formation correlates with response to immunotherapy in human melanoma. Pharmacological inhibition of eIF4A, the RNA helicase component of eIF4F, elicits powerful antitumor immune-mediated effects via PD-L1 downregulation. Thus, eIF4A inhibitors, in development as anticancer drugs, may also act as cancer immunotherapies.
更多信息
| 种属 | Human |
|---|---|
| Magnet Compatibility | |
| 样本来源 | Buffy Coat, Whole Blood |
| Selection Method | Negative |
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标记抗体
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抗人CD8a抗体，克隆RPA-T8小鼠单克隆IgG1抗体，抗人、恒河猴、食蟹猴CD8a
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