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yolksac_human

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biology
rna
gene expression
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metadata
tags:
  - biology
  - rna
  - gene expression
pretty_name: YolkSac Human
size_categories:
  - 10K<n<100K
license: cc0-1.0

Human fetal yolk sac scRNA-seq data

The yolk sac (YS) generates the first blood and immune cells and provides nutritional and metabolic support to the developing embryo. Our current understanding of its functions derives from pivotal studies in model systems, and insights from human studies are limited. Single-cell genomics technologies have facilitated the interrogation of human developmental tissues at unprecedented resolution. Atlases of blood and immune cells from multiple organs have been greatly enhanced by focused, time-resolved analyses of specific tissues.

Project information

Assay details

  • Assay: 10X 5' transcription profiling
  • Number of Cells: 31,680
  • Number of Genes: 37,318

Load the data

Load the dataset using Huggingface's optimized library and create the AnnData object:

from datasets import load_dataset
ds = load_dataset("helical-ai/yolksac_human",trust_remote_code=True, split="train[:65%]",download_mode="reuse_cache_if_exists")
ds = ds.with_format("np")

observation_columns = [obs for obs in list(ds.features.keys()) if not obs == 'raw_counts']
obs_data = pd.DataFrame(ds.select_columns(observation_columns).data.to_pandas(),columns=observation_columns)
adata = ad.AnnData(ds['raw_counts'],obs=obs_data)
adata.var_names = ds.features['raw_counts'].id.split(",")
adata.var['gene_name'] = adata.var_names.str.upper()

Cell type annotation

There are three levels of cell annotation you can access in the data:

Annotation Granularity Level Cell Type Names
Level 1 (LVL1) ERYTHROID, LYMPHOID, MK, MYELOID, PROGENITOR, STROMA
Level 2 (LVL2) B_CELL, CMP, DC, ELP, ENDODERM, ENDOTHELIUM, EOSINOPHIL_BASOPHIL, ERYTHROID, FIBROBLAST, HSPC, ILC, LMPP, MACROPHAGE, MAST_CELL, MEMP, MESOTHELIUM, MK, MONO MAC DC2, MONO MAC PRE DC2, MONOCYTE, MONOCYTE_MACROPHAGE, MONOCYTE_YS_1, MOP, NEUTROPHIL_PRECURSOR, NK, PDC PRECURSOR, PROMONOCYTE, SMOOTH_MUSCLE
Level 3 (LVL3) CMP, DC2_CYCLING, DEF_HSPC_1, DEF_HSPC_2, EARLY_ERYTHROID, ELP, ENDODERM, ENDOTHELIUM_AEC, ENDOTHELIUM_PROLIF_AEC, ENDOTHELIUM_PROLIF_SINUSOIDAL_EC, ENDOTHELIUM_SINUSOIDAL, ENDOTHELIUM_VWF, EO_BASO_MAST_PRECURSOR, ERYTHROID, FIBROBLAST, HE, HSPC_1, HSPC_2, ILC_PRECURSOR, IMMATURE_ENDOTHELIUM, LMPP, LYMPHOID B LIN, MAC DC2, MACROPHAGE_IRON_RECYCLING, MACROPHAGE_KUPFFER_LIKE, MACROPHAGE_LYVE1_HIGH, MACROPHAGE_MICROGLIA, MACROPHAGE_PRE_MAC, MACROPHAGE_PROLIFERATING, MAST_CELL, MEMP, MESOTHELIUM, MID_ERYTHROID, MK, MONO MAC DC2, MONO MAC PRE DC2, MONOCYTE_0, MONOCYTE_1, MONOCYTE_MACROPHAGE, MOP, NEUTROPHIL_PRECURSOR, NK, PDC PRECURSOR, PRE DC2, PRIM_HSPC_1, PRIM_HSPC_2, PROMONOCYTE, SMOOTH_MUSCLE

License information

Data was published in EMBL-EBI (Array Express), CC0.

This dataset was used in Goh et al, Science, 2023 and the article is licensed under a BY 4.0 International license.

Note:

This dataset contains one donor only, and it will be updated in the near future to contain more donors!