Melanoma brain metastasis

Data description

Descriptive characteristics of the selected melanoma brain metastasis studies.

MBM-1 MBM-2 MBM-3
Organism human human human
Data type RNA-seq snRNA-seq RNA-seq
Sample type microdissected FFPE tumors fresh frozen surgical resections microdissected FFPE tumors
Comparison MBM vs MNBM MBM vs MNBM MBM vs non tumor-bearing brain controls
Results availability all genes all genes significant genes
Number of upregulated genes 418 7201 685
Number of downregulated genes 568 9377 431
Reference PMID: 30787016 PMID: 35803246 PMID: 36435874

MBM: melanoma brain metastasis; MNBM: melanoma non-brain metastasis; FFPE: Formalin-Fixed Paraffin-Embedded.

 

Differential gene expression results

Explore the differential gene expression results downloaded from the selected studies.

Results obtained from the publication Molecular Profiling Reveals Unique Immune and Metabolic Features of Melanoma Brain Metastases

Comparison: brain melanoma metastatic cells vs melanoma metastatic cells from other locations.

Summary

 

Study ID Total genes evaluated Significative genes Significative genes upregulated Significative genes downregulated
MBM-1 10000 986 418 568

Of note, upregulated genes are those with a positive logFC value (logFC > 0); meaning that they are more expressed in the brain melanoma metastatic cells. Downregulated genes are those with negative logFC value (logFC < 0); meaning that they are more expressed extracranial melanoma metastatic cells.

Results at gene level

 

Results obtained from the publication Dissecting the treatment-naive ecosystem of human melanoma brain metastasis

Comparison: brain melanoma metastatic cells vs melanoma metastatic cells from other locations.

Summary

 

Study ID Total genes evaluated Significative genes Significative genes upregulated Significative genes downregulated
MBM-2 35638 16578 7201 9377

Of note, upregulated genes are those with a positive logFC value (logFC > 0); meaning that they are more expressed in the brain melanoma metastatic cells. Downregulated genes are those with negative logFC value (logFC < 0); meaning that they are more expressed extracranial melanoma metastatic cells.

Results at gene level

 

Results obtained from the publication Decoding molecular programs in melanoma brain metastases

Comparison: brain melanoma metastatic cells vs non tumor-bearing brain controls.

Summary

 

Study ID Total genes evaluated Significative genes Significative genes upregulated Significative genes downregulated
MBM-3 not known 1116 685 431

Of note, upregulated genes are those with a positive logFC value (logFC > 0); meaning that they are more expressed in the brain melanoma metastatic cells. Downregulated genes are those with negative logFC value (logFC < 0); meaning that they are more expressed control condition.

Results at gene level

 

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