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A 3D Analysis of Cleared Human Melanoma
Vicente Llorente1, Daniel Sanderson1, Alejandro Martín-Gorgojo1,2
1Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Doctor Esquerdo 46, 28007 Madrid, Spain.
Biomedicines
|July 27, 2022
Summary
Researchers developed a novel optical clearing and immunostaining method for melanoma, enabling 3D visualization of tumor structures. This technique offers new insights into the tumor microenvironment for improved diagnosis and research.
Area of Science:
- Oncology
- Biomedical Imaging
- Histopathology
Background:
- Cutaneous melanoma is an aggressive cancer requiring accurate histopathological diagnosis.
- Optical tissue clearing enables 3D imaging of large biological samples.
- 3D imaging applications in melanoma research remain limited.
Purpose of the Study:
- To establish an optical clearing and immunostaining protocol for human melanoma.
- To enable 3D fluorescence imaging of melanoma models.
- To visualize the tumor microenvironment in 3D.
Main Methods:
- Utilized the CUBIC (clear, unobstructed brain imaging cocktails) technique for optical clearing.
- Applied immunostaining for specific cellular and structural labeling.
- Examined human melanoma tissues and xenograft models.
Main Results:
- Successfully cleared human melanoma and xenograft samples.
- Achieved 3D volumetric visualization of cleared tissues.
- Visualized tumor microenvironment, vasculature, and cell populations in 3D.
Conclusions:
- The CUBIC technique is effective for 3D imaging of melanoma.
- This method provides unprecedented visualization of melanoma.
- The protocol facilitates advanced research into melanoma biology and progression.
