
Welcome
🚀 Dive into the SysBio-Network Book¶
Your all-in-one hub for knowledge, tools, and collaborative innovation in systems and network biology.
Subtitle
🔬 About SaezLab¶
We aim to understand how signaling networks are deregulated in disease and use this knowledge to develop new therapeutics. We work across cancer, autoimmune, and fibrotic diseases by integrating large-scale omics data with mechanistic knowledge using statistical and machine learning approaches.
We are based at EMBL-EBI, the Medical Faculty of Heidelberg University, and are part of the MMPU and ELLIS Heidelberg.
Subtitle
🧰 Tool Gallery¶
![]() | ![]() | ![]() | ![]() |
---|---|---|---|
BioCypher A unifying framework for biomedical research knowledge graphs | CARNIVAL Causal reasoning to explore mechanisms in molecular networks | CellNOpt Train logic models of signaling against omics data | CollecTRI Collection of Transcriptional Regulatory Interactions |
![]() | ![]() | ![]() | ![]() |
CORNETO Unified framework for network inference problems | COSMOS Mechanistic insights across multiple omics | Decoupler Infer biological activities from omics data using a collection of methods | DoRothEA Transcription factor activity inference |
![]() | ![]() | ![]() | ![]() |
DOT Optimization framework for transferring cell features from a reference data to spatial omics | LIANA+ Framework to infer inter- and intra-cellular signalling from single-cell and spatial omics | MetalinksDB Database of protein-metabolite and small molecule ligand-receptor interactions | MetaProViz Metabolomics functional analysis and visualization |
![]() | ![]() | ![]() | |
MISTy Explainable machine learning models for single-cell, highly multiplexed, spatially resolved data | NetworkCommons Context specific networks from omics data and prior-knowledge | ocEAn Metabolic enzyme enrichment analysis | OmniPath Networks, pathways, gene annotations from 180+ databases |
![]() | ![]() | ||
PHONEMeS Logic modeling of phosphoproteomics | PROGENy Activities of canonical pathways from transcriptomics data |
Subtitle
👣 Explore the book¶
Explore tutorials and case studies that illustrate the power of omics-driven mechanistic modeling
- Knowledge representations
- Footprinting and inference examples (see here)
- Multi-omics COSMOS & SwissLipids
- Single-sample CARNIVAL use case
Estimate TF, pathway, kinase, and metabolite activity from multi-omics data
- Transcriptomics → TFs & pathways
- Phosphoproteomics → Kinases
- Metabolomics → Metabolite footprints & visualizations
<Axes: xlabel='logFC', ylabel='significance'>

Decode intercellular signaling with ligand–receptor models and benchmarks
- LIANA integration
- MetaLinksDB signaling graph
- Transcriptomic workflows
Infer modular gene regulators and evaluate transcriptional programs
- Regulatory modules
- Performance benchmarks
Construct mechanistic networks from omics and simulate perturbations
- CARNIVAL, MOON, COSMOS
- Multi-omics pipelines
- Use case: thesis network
Build modular, composable models tailored to your data and biological question
- Custom network assembly
- Model configuration
Access curated biological resources for mechanistic modeling
- OmniPath
- BioCypher
- PROGENy, DoRothEA & CollecTRI

End-to-end pipelines for multi-omics and communication analysis
- Cell–cell communication
- Multi-omics integration