Related Experiment Video
Updated: May 24, 2025

Author Spotlight: Recreating Melanoma Complexity with Patient-Derived Organoids for Immunotherapy Evaluation
Published on: September 6, 2024
Decoding melanoma's cellular mosaic to unlock immunotherapy potential
Joanna Pozniak1, Jean-Christophe Marine1
1Laboratory for Molecular Cancer Biology, VIB Center for Cancer Biology, KU Leuven, Leuven, Belgium; Department of Oncology, KU Leuven, Leuven, Belgium.
Abstract:
Cancer evolution is driven by molecular events within cancer cells and their complex interactions with surrounding cells. Intra-tumor heterogeneity - driven by somatic genetic mutations, epigenetic dysregulation, immune cell infiltration, and microenvironmental factors - complicates the identification of reliable biomarkers and therapeutic targets. Single-cell sequencing and spatial multiomics technologies are revolutionizing our comprehension of how each component of the cellular machinery and tissue architecture collaborates to propel cancer progression. Much like how the restoration and interpretation of Pompeii mosaics have enriched our understanding of ancient Roman life, unraveling the intricate mosaic of cancer will transform the way this disease is diagnosed and treated. This review describes how the advent of single-cell multiomics has provided crucial insights into cutaneous melanoma biology and the mechanisms underlying resistance to immunotherapy.
Insights
Single-cell multiomics reveals the complex mosaic of cutaneous melanoma, improving understanding of cancer evolution and immunotherapy resistance. These advanced technologies are transforming cancer diagnosis and treatment strategies.
Area of Science:
- Oncology
- Genomics
- Immunology
Background:
- Cancer evolution is complex, influenced by intra-tumor heterogeneity from genetic mutations, epigenetics, immune infiltration, and microenvironment.
- Identifying reliable cancer biomarkers and therapeutic targets is challenging due to this heterogeneity.
- Understanding cellular machinery and tissue architecture is key to cancer progression.
Purpose of the Study:
- To review how single-cell multiomics advances our understanding of cutaneous melanoma biology.
- To explore the mechanisms of immunotherapy resistance in cutaneous melanoma.
- To highlight the transformative potential of multiomic technologies in cancer research.
Main Methods:
- Single-cell sequencing technologies.
- Spatial multiomics approaches.
- Review of current literature on cutaneous melanoma and immunotherapy.
Main Results:
- Single-cell multiomics provides unprecedented insights into the cellular and molecular landscape of cutaneous melanoma.
- These technologies illuminate the intricate interactions driving cancer progression and heterogeneity.
- Crucial information regarding mechanisms of resistance to immunotherapy has been uncovered.
Conclusions:
- Single-cell multiomics is revolutionizing the study of cancer, akin to restoring ancient mosaics.
- Unraveling the cancer mosaic will transform diagnosis and treatment strategies.
- These advancements offer new hope for overcoming immunotherapy resistance in melanoma.
Related Concept Videos
Tumor Immunotherapy
Skin Cancer
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
The Tumor Microenvironment

