Stereo-seq

Stereo-seq is an advanced spatial transcriptomics technology based on DNA Nano Ball (DNB) technology. This cutting-edge platform offers unparalleled resolution, throughput, and field of view, enabling comprehensive spatial transcriptomic analysis across multiple scales—tissue, cellular, subcellular, and molecular levels. Using a patterned array chip and Coordinate ID (CID) system, Stereo-seq captures mRNA directly from tissue samples, restoring its precise spatial coordinates. This technology serves as a transformative tool for elucidating the complex relationships between gene expression, cell morphology, and their local microenvironments.

Category:

Applications

Cancer Research: Decode tumor cell heterogeneity and the tumor microenvironment at single-cell resolution, paving the way for groundbreaking advancements in cancer prevention, diagnosis, and treatment.

Neuroscience: Reconstruct three-dimensional organ structures and quantify spatiotemporal dynamics, shedding light on neural connectivity and brain function.

Developmental Biology: Map cell type interactions and molecular pathways during development with unprecedented precision, advancing our understanding of developmental mechanisms.

Sample Requirements

Sample Type Sample Amount Storage Conditions Sample QC Shipping
FFPE
Tissue Block
Sample thickness > 1mm, area < 9mm x 9mm (standard chip) Recommended for samples within 3 years;
after embedding,
store at 4°C
DV200≥30% 4°C or Room
Temperature
FFPE
Tissue Section
10-15 FFPE(5μm thickness) scrolls in 1.5mL tube for sample QC;
4-6 FFPE(5μm thickness) tissue sections, place each FFPE sections into a new 50 mL centrifuge tubes for library prep
After embedding,
store at 4°C;
RNA QC samples: stored in dry EP tubes;
Formal samples: vertical in slide boxes, avoid contact between slides
DV200≥30% 4°C or Room
Temperature

Specifications:

  Stereo-FFPE
Capture method Random probe capture
Resolution 500nm
Sequencing platform BGI DNB-SEQ T7
Read length PE 25bp+59bp
Recommended Data Amount 2.5G read pairs/210Gb/1cm2
Capture Area 1cm*1cm
Analysis Data QC

Mapping and Quantification

Dimensionality Reduction, Clustering, and Differential analysis:

Graphclust clustering

K-means clustering

Seurat Analysis:

PCA analysis

Spatial variable gene expression analysis

Clustering and dimensionality reduction analysis

Differential Expression Gene Analysis (DEG)

DEGs clustering heatmap

Spatial distribution of DEGs

Violine plot

t-SNE and UMAP dimensional reduction visualization

Functional Enrichment Analysis:

GO enrichment

KEGG enrichment

Reactome enrichment

Project Workflow

Stereo-seq

GeneSmart tự hào là đơn vị tiên phòng đầu tiên tại Việt Nam cung cấp giải pháp:

1. Giải trình tự tế bào đơn (SINGLE-CELL SEQUENCING);

2. Chuẩn bị mẫu tự động (AUTOMATED LIQUID HANDLING);

3. Xét nghiệm và chẩn đoán bệnh nhiễm (DIAGNOSIS OF INFECTIOUS DISEASE);

4. Sinh chiết lỏng (LIQUID BIOPSY)

5. Giải phẫu bệnh sinh học phân tử (MOLECULAR PATHOLOGY)

6. Nghiên cứu ung thư (CANCER RESEARCH)

7. Nghiên cứu miễn dịch (IMMUNOLOGY)

8. Khoa học hình sự (FORENSIC)

9. Trữ mẫu sinh học (Ngân hàng sinh học, BIOBANKING)

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