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Tissuequest
multichannel TISSUE CYTOMETRY
Full 1

TissueQuest 
Analysis of fluorescent markers

TissueQuest provides three analysis modes:

  • Cell-based (nucleus, cytoplasm, membrane)
  • Stained areas
  • Small dots (e.g. FISH)

Context-based analysis can be done by manually drawing regions of interest. TMA can be detected and analysed on imported files.

TissueQuest - Features

  • Fluorescence image analysis
  • Assessment of co-expressed markers
  • Streamlined workflow
  • Single cell analysis
  • Analyze tissue sections, TMAs, confluent cells, smears
  • Contextual image analysis by manual ROI definition
  • Nuclear segmentation, total area measurements, dot detection
  • Cytoplasmic and membrane measurements
  • 18 measured metrics per marker
  • Pseudo IHC
  • Image and data comparison tools

TissueQuest is also available as a standalone software.

TissueQuest 7.1
THE EASY SOLUTION FOR IMMUNOFLUORESCENCE ANALYSIS

TissueQuest is an image analysis software for the FACS-like analysis of tissue sections, TMA or cultured cells processed with immunofluorescence. TissueQuest can analyse images from epifluorescence as well as those from Q systems.

TissueQuest

New Features in TissueQuest 7.0

The new features of TissueQuest 7.0 & 7.1  include improvements to the analysis workflow, management of multiple diagrams, image visualization, and the user interface. Here are some highlights:

  • 7.1 Nuclear Segmentation using deep learning. It is a particularly useful and simple solution for nuclear segmentation in tissues with extremely high cellular density, weak signal intensity, or high variation in nuclei size and texture.

  • 7.1 New Region Overlay control for an improved navigation through the different channels enabling an improved user experience and faster feedback.

  • 7.1 Comments from TissueFAXS (slides, regions), including a section for patient information and patient number are available in HistoQuest.

  • 7.1 Export results and analysis masks as BigTiff.

  • 7.1 Batch import is now also available for external import sources.

  • 7.0 The new diagrams viewer displays all diagrams associated with a region or sample and allows the user to perform several new tasks, including changing the order of the diagrams via drag and drop, a print preview of the diagrams, set cut-offs, add gates, or show backward connections in the image.

  • 7.0 To further simplify the validation process, it is now possible to open multiple samples or regions simultaneously in separate detail windows as well as their raw data, diagram details and diagrams viewer. A dedicated Detail Manager helps to stay organized.

  • 7.0 comes with new visualization modes including pseudo IHC, providing a pathology view (pseudo coloured images) as well as the HDR-like mode (high dynamic range) and a smoothen image function.

  • 7.0 The 16 bit projects are fully supported.

  • 7.0 The automatic Tissue and TMA Detection function from TissueFAXS and StrataQuest is now also available in TissueQuest.

  • 7.0 Another new feature is the introduction of the Human Protein Atlas Browser within the TissueQuest software. By simply pressing the Human Protein Atlas Button compare your obtained results to publicly available data.

 

 pseudo-IHC

DetailManager

TISSUE CYTOMETRY TECHNOLOGY

TG introduced Tissue Cytometry technology into image analysis software more than a decade ago with TissueQuest software in its first version. While, at a first look, it may appear to be just another form of displaying data, there is much more to it. Combined with segmentation images it is also a simple and intuitive tool to visually validate results. TG calls this „Backward Gating“ and „Forward Gating“.

visual TissueQuest

Morphological filtering using Tissue Cytometry technology combined with appropriate planning of the analysis provides a highly flexible and capable instrument for extracting specific data from a sample (see image below).

Tissue Cytometry technology

TissueQuest analysis automation

TissueQuests fully automated template based analysis is optimised for clinical routine and research applications and allows complete walk away operation. The user just has to load samples into an analysis project and to manually define regions of interest, if any are wanted. Then the template can be loaded, and analysis can be performed automatically.

 

 

 

The template provides:

  • Segmentation settings for all objects to be detected
  • A method for dealing with events in regions of interest (ROI)
  • Markers
  • Diagrams from the first sample of the project from which the template was saved
  • Statistics report settings
  • Simple report settings
  • Small dots settings 

TissueQuest image analysis algorithms

TGquest algorTissueQuest uses algorithms for nuclear and cell compartment segmentation, algorithms for stained area detection as well as algorithms for the detection of dots inside already detected cell compartments.

The nuclear segmentation algorithm is highly efficient in difficult situations in tissue and can be set with two values only - mean nuclear size and nuclear channel background threshhold. The cell compartment algorithm provides a large amount of flexibility with a few simple settings.

The images on the right show the segmentation of the nuclei based on DAPI (blue), the cellular segmentation based on Plakoglobin (green) and the assessment of Ki-67+ (red) and Plakoglobin+ (green)  cells. 

  
The total area algorithm segments stained areas in a sample (indicated in the image below).TGalgo2

 

The small dot algorithm provides small dot detection ideal for FISH and other applications in which the quantification of small objects within cellular compartments is needed. The image below shows the quantification of FITC and Texas Red FISH dots inside the nuclear compartment.

quantification of FITC and Texas Red FISH dots inside of the nuclear compartment.

 

TISSUE MICROARRAY
ANALYSIS SUPPORT

TissueQuest fully supports the analysis of Tissue Microarrays (TMA) scanned either with TG TissueFAXS systems or those slide scanners for which TissueQuest provides importers. For analysis projects of scans coming from TG TissueFAXS systems the autodetected TMA regions will be imported. For scans imported from other scanning systems without detected regions the TMA autodetection feature is also available in TissueQuest.

microarray

CAPABILITIES

 HistoQuest 7.1 TissueQuest 7.1StrataQuest 7.1
Available as a standalone software
Analyze tissue sections, TMAs, confluent cells, smears
Flourescence image analysis  
Brightfield image analysis  
Single cell analysis, total area measurements, dot detection (FISH, CISH, RNAScope), cytoplasmatic and membrane measurements
Contextual image analysis by manual ROI definition
Deep-learning nuclear segmentation
Machine-learning tissue classifier, metastructure detection, automated contextual tissue cytometry, proximity & distance measurements, Spatial relationships & tissue microenvironment analysis    
Highly customizable analysis development    
Apps with predefined analysis solutions    
Analysis of confocal/multispectral and time-lapse projects    

PROPERTIES

  
Operating System Windows 10 System
Platform compatibility TissueFAXS platform (.sqproj), StrataFAXS II (.vmic), Precipoint (.vmic, .gtif), OME-Tiff, Generic Big Tiff, Images (.jpeg, .tif, .bmp, .png), 3D Histech (.mrxs), Hamamatsu (.ndpi), Zeiss Axio Scan (.czi), Yokogawa, Aperio (.svs), Leica (.scn), Keyence, Perkin Elmer (.qptiff)
Export file compatibility Matlab, Python, ImageJ, FIJI, FCS express, most external command line engines

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