Recent Publications

We are pleased to share this Science Advances article on the capabilities of multiplexed ion beam imaging (MIBI) for studying tissue structure and function


 

MIBI-TOF: A multiplexed imaging platform relates cellular phenotypes and tissue structure

Keren, et al., Science Advances  09 Oct 2019: 5(10), eaax5851

Abstract

Understanding tissue structure and function requires tools that quantify the expression of multiple proteins while preserving spatial information. Here, we describe MIBI-TOF (multiplexed ion beam imaging by time of flight), an instrument that uses bright ion sources and orthogonal time-of-flight mass spectrometry to image metal-tagged antibodies at subcellular resolution in clinical tissue sections. We demonstrate quantitative, full periodic table coverage across a five-log dynamic range, imaging 36 labeled antibodies simultaneously with histochemical stains and endogenous elements. We image fields of view up to 800 μm × 800 μm at resolutions down to 260 nm with sensitivities approaching single-molecule detection. We leverage these properties to interrogate intrapatient heterogeneity in tumor organization in triple-negative breast cancer, revealing regional variability in tumor cell phenotypes in contrast to a structured immune response. Given its versatility and sample back-compatibility, MIBI-TOF is positioned to leverage existing annotated, archival tissue cohorts to explore emerging questions in cancer, immunology, and neurobiology.

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Immuno-oncology/CancerNeuroscienceInfectious DiseaseImmunologyStem CellOther


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