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3D Cell Biology

Elucidate cancer development on sub-cellular level by in-vivo like tumor spheroid models. Improve your 3D Cell Biology Workflow with Digital Light Sheet Microscopy

Understanding the sub-cellular mechanisms in carcinogenesis is of crucial importance for cancer treatment. Popular cellular models comprise cancer cells grown as monolayers. But this approach disregards the three-dimensional (3D) interaction of tumor cells with their surrounding microenvironment. To understand the development and progression of malignancy in a close to nature context, the characterization of cancer microenvironments is crucial.

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THUNDER Imager Model Organism

The THUNDER Imager Model Organism allows fast and easy 3D exploration of whole organisms for developmental or molecular biology research.

THUNDER Imager 3D Live Cell & 3D Cell Culture & 3D Assay

THUNDER Imagers provide you with a solution for advanced 3D cell culture assays, whether you want to study stem cells, spheroids, or organoids.

THUNDER Imager Tissue

The THUNDER Imager Tissue allows real-time fluorescence imaging of 3D tissue sections typically used in neuroscience and histology research.



Combining Light Sheet and Confocal

Challenge for conventional microscopy

A constantly ascending number of culturing methods allows cancer cells to be grown as 3D spheres. These cellular spheroids mimic the properties of solid tumors and are well suited to model cancer development with physiological relevance. The complex 3D structure and volumetric size represents a challenge in conventional light microscopy. This can be overcome by light sheet-based microscopy, which allows tracking of sub-cellular changes in large samples within reasonable time.

Amplify your results

The investigation of cellular spheroids with the Leica SP8 Digital LightSheet (DLS) microscope reveals meaningful results of cellular and molecular processes in standard petri dishes and is very well suited for cancer research.

Spheroid imaging workflow with multi-position experiments

Leica Microsystems’ Digital LightSheet module (DLS) can be integrated in the vertical axis of any inverted confocal Leica TCS SP8 microscope.

  • Save time by easy sample preparation in standard petri dishes.
  • Imaging of multiple spheroids in one experiment allows for highly productive long-term observation.

Download Flyer "SP8 DLS 3D Biology"

7.5 h time-lapse recording of mammary epithelial micro spheroid cultured in 3D. Data courtesy of intelligent imaging group (B. Eismann/C. Conrad) at BioQuant/DKFZ Heidelberg

3D Cell Biology, Spheroids, Organoids

In the past decade, the application of 3D cell cultures has grown significantly and has developed into a robust and reliable cellular model. More and more scientists are convinced that 3D cell cultures will soon replace conventional monolayer cell cultures.

Recent examples of 3D cell culture models elucidate new insights into colorectal cancer (CRC) and its complex underlying development mechanisms. In this case organoids show numerous valuable applications in disease research as well as in regenerative and personalized medicine.

1. Preparation

The sample is prepared in standard glass bottom petri dishes. No special equipment, such as capillaries, is needed.

You can prepare several specimens within one experimental setup

  • by growing several spheroids directly in a small volume of hydrogel or– alternatively
  • by placing several drops of hydrogel inside the petri dish and transferring already developed spheroids into them.

2. Mounting

The petri dish is turned upside down so that the spheroids sink into a position that guarantees optimal observability.

In the next step, the hydrogel solidifies at 37°C, producing a gel that will hold the spheroids in place.

Finally, the petri dish is turned upright again and filled with culturing medium.

3. Light Sheet Imaging

Afterwards, the petri dish is put on the sample holder of the TCS SP8 DLS . The TwinFlect mirror provides 2-sided illumination for fast and easy imaging. Thanks to the low light exposure during image acquisition, it is possible to track the natural development of spheroids over long periods of time. The design of the DLS module enables you to view several samples within a single experiment (multi-position experiment). They can be scanned  at more than 60 frames per second using the full chip of an sCMOS camera, one after the other, stack by stack, and over time. For convenient culture conditions you can add incubation systems of various manufactures, e.g. Okolab and TokaiHit.

4. Data Handling

Save your images as you acquire them by continuously streaming them from your temporary memory to your hard disk or a server solution (e.g. Acquifer HIVE). 

5. Visualization

Once the images are acquired, you can immediately visualize your results with the 3D Visualization tool of the Leica LAS X 3D software.

Look at your spheroid at a certain moment in time in 3D, or inspect a subvolume of the acquired data to visualize single cell divisions labeled with different markers.

Video: Subvolume of a 4D acqusition  of a mammary epithelial micro spheroid. Nuclei in green, cytoskeleton in red. Data courtesy of intelligent imaging group (B. Eismann/C. Conrad) at BioQuant/DKFZ Heidelberg

6. Analysis

Comparing the behavior of spheroids that are derived from different genetic backgrounds or that have undergone different treatment is a major challenge. Data analysis is an essential tool when you need to collect quantitative information, for example on healthy and impaired tissue.

A powerful 2D and 3D analysis tool is part of the Leica LAS X software.

7. Share

Share your results with your colleagues, other institutions or any media - worldwide - by using generic image formats like tif or jpeg. Movies can be easily exported as mp4 videos and your quantitative results can be further evaluated in Excel reports.

Further reading on 3D Biology

Ishiguro et al., Cancer Science, 2017: Tumor-derived spheroids: Relevance to cancer stem cells and clinical applications. and Mayer, Biotechnol J, 2017: Bringing 3D tumor models to the clinic- predictive value for personalized medicine.

Sato and Clevers, Cell, 2015: Snap Shot: Growing Organoids from Stem Cells

Other fields of research: Neuroscience

In neuroscience, amongst other advances, an organoid model for Zika virus has been developed to study the brain. These organoids are ideal in vitro models of development, disease pathogenesis, and drug screening.

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