
GeoMx® Protein Assays
Helping Your Research
High-plex Spatial Proteomic Analysis
GeoMx Protein Assays enable quantitative, spatial analysis of 96+ proteins from a single FFPE or Fresh Frozen slide, vastly expanding the number of markers you can profile from a single tissue section compared to traditional immunohistochemical methods. All assays are validated for use in multiplex so you can focus on the biology of interest without wasting time troubleshooting assay performance.


How it Works
The assay relies upon antibodies coupled to photocleavable oligonucleotide tags designed for readout with nCounter® (≤96-plex) or NGS (over 100-plex) platforms. After hybridization of antibodies to slide-mounted tissue sections, the oligonucleotide tags are released from discrete regions of the tissue via UV exposure. Released tags are counted in a standard nCounter assay or sequenced using NGS, and counts are mapped back to tissue location yielding a spatially resolved digital profile of protein abundance.
All GeoMx® Protein Assays undergo extensive validation to ensure high quality GeoMx DSP data. Read more about GeoMx Antibody Validation in this white paper.

Product Information
Immuno-Oncology and Immunology
The Immune Cell Profiling Core contains 18 targets for broad cell profiling of human samples (17 targets for mouse) and includes necessary controls for all GeoMx DSP experiments. Up to 6 10-plex modules plus 10 custom targets can be added to select the content most relevant to your human and mouse research.
Neuroscience
The Neural Cell Profiling Core contains 20 targets designed for broad cell profiling of human samples (19 targets for mouse) and includes necessary controls for all GeoMx DSP experiments. Up to 6 10-plex modules plus 10 custom targets can be added to select the content most relevant to your human and mouse research.
Designed to profile 10’s-100’s of protein targets simultaneously with spatial resolution using NGS platforms and pipelines. Run the 4-plex GeoMx Protein Core for NGS, which includes necessary controls for GeoMx DSP experiments, with any selection of 10-plex modules.
GeoMx Protein Assays can be customized with up to 10 antibodies through NanoString’s Protein Barcoding Service, or with up to 5 antibodies from Abcam. Learn more about our partnership with Abcam and choose from over 6,000 IHC-validated antibodies to customize a GeoMx protein assay directly from Abcam.
Related Resources

Publications
Spatially resolved transcriptomics and its applications in cancer
Spatially resolved transcriptomics (SRT) offers the promise of understanding cells and their modes of dysfunction in the context of intact tissues. Technologies for SRT have advanced rapidly with a large number being published in recent years.
Next Generation Imaging Techniques to Define Immune Topographies in Solid Tumors
In recent years, cancer immunotherapy experienced remarkable developments and it is nowadays considered a promising therapeutic frontier against many types of cancer, especially hematological malignancies. However, in most types of solid tumors, immunotherapy efficacy is modest, partly because of the limited accessibility of lymphocytes to the tumor core.
Opposing immune and genetic mechanisms shape oncogenic programs in synovial sarcoma
Synovial sarcoma (SyS) is an aggressive neoplasm driven by the SS18-SSX fusion, and is characterized by low T cell infiltration. Here, we studied the cancer-immune interplay in SyS using an integrative approach that combines single-cell RNA sequencing (scRNA-seq), spatial profiling and genetic and pharmacological perturbations.
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