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In eukaryotes, transcription and translation are compartmentalized; an mRNA is first synthesized in the nucleus and then selectively transported to the cytoplasm for protein synthesis. Before transport, a pre-mRNA undergoes several steps of post-transcriptional modifications including splicing, 5' capping, and the addition of a poly-adenine tail. Various proteins bind to the pre-mRNA during these modifications. The mRNA transport takes place with the help of multiple proteins playing...
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Comprehensive Spatial Profiling of Species-agnostic Transcriptomes via Stereo-seq
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Uncovering Immune Niches in Health and Disease Using Spatial Transcriptomics.

Johan Thorsson1,2, Yang Zhao1,2,3, Eduardo J Villablanca1,2,3

  • 1Division of Immunology and Respiratory Medicine, Department of Medicine Solna, Karolinska Institutet and Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden.

European Journal of Immunology
|April 7, 2026
PubMed
Summary
This summary is machine-generated.

Spatial transcriptomics reveals the intricate cellular and molecular details of immune niches within tissues. This review explores its application in understanding immune cell organization in health and disease, particularly in the gut and tumors.

Keywords:
cancer immunologyimmune nichesmucosal immunologyspatial transcriptomics

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Area of Science:

  • Immunology
  • Genomics
  • Bioinformatics

Background:

  • Spatial transcriptomics enables in-situ analysis of cellular ecosystems within native tissues.
  • Immune niches are critical microenvironments in homeostasis, inflammation, and cancer.
  • Understanding immune cell organization is key to deciphering tissue function and pathology.

Purpose of the Study:

  • To review the application of spatial transcriptomics in dissecting immune niche architecture.
  • To highlight emerging studies on B and T cell clonal niches.
  • To discuss the potential of these technologies in addressing key immunological questions in intestinal and tumor tissues.

Main Methods:

  • Review of existing literature on spatial transcriptomics applications.
  • Focus on studies investigating immune niches in intestinal and tumor microenvironments.
  • Analysis of B and T cell clonal niche investigations.

Main Results:

  • Spatial transcriptomics provides high-resolution insights into immune cell distribution and function within tissues.
  • The technology is instrumental in characterizing the cellular and molecular makeup of immune niches.
  • Emerging data reveals the spatial organization of B and T cell clones.

Conclusions:

  • Spatial transcriptomics is a powerful tool for interrogating complex immune niches.
  • Further advancements will enhance our understanding of immune responses in health and disease.
  • This technology holds significant promise for future immunological research and therapeutic development.