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Technology & Expertise

Our Technical Arsenal

9+ years of pharma-grade bioinformatics expertise with comprehensive technology stack for NGS analysis, pipeline development, and AI integration.


🧬 Core Bioinformatics

NGS Analysis Platforms

RNA-seq Analysis
limma-voom • edgeR • DESeq2 • HTSeqGenie • GSNAP • STAR • Salmon • featureCounts

Single-Cell RNA-seq
Seurat • Scanpy • UMAP • t-SNE • Cell type annotation • Trajectory inference • RNA velocity • scTCR/scBCR-seq immune repertoire profiling

CRISPR/ORF Screens
crisprVerse • screenCounter • MAGeCK • TMM normalization • limma-voom • Hit prioritization

ChIP-seq & Epigenomics
BWA • Bowtie2 • MACS2 • DiffBind • ChIPseeker • Motif enrichment • Homer

Genomic Variants
GATK • Strelka2 • VarScan • COSMIC • SnpEff • VEP • Variant filtering • Clinical interpretation

Spatial Transcriptomics
10X Visium • Spatial gene expression • Tissue architecture • Cell-cell interactions

Long-Read Sequencing
PacBio • Nanopore • Isoform detection • Structural variants • Repeat region analysis

Methylation Analysis
WGBS • Infinium arrays • Bismark • methylKit • DMR detection • Epigenetic profiling


📊 Statistical Analysis

Differential Expression

Methods: limma-voom, edgeR, DESeq2, moderated t-tests, robust empirical Bayes
Adjustments: FDR correction (Benjamini-Hochberg), q-values (Storey), permutation tests
Visualization: Volcano plots, MA plots, heatmaps with hierarchical clustering

Pathway Analysis

Tools: fgsea, Camera (limma), GSVA, GSEA, Enrichr
Databases: MSigDB (Hallmark, C2, C5, C7), GO, KEGG, Reactome, WikiPathways
Networks: STRING, IPA, Metacore GeneGO, regulatory network reconstruction

Survival Analysis

Models: Cox proportional hazards, Kaplan-Meier curves, log-rank tests
R Packages: survival, survfit, survminer
Features: Time-dependent covariates, interaction terms, stratification

Machine Learning

Unsupervised: Consensus NMF, hierarchical clustering, PCA, t-SNE, UMAP, k-means
Supervised: PAM, Random Forests, SVM, Neural Networks (Keras/TensorFlow)
Validation: Cross-validation, independent cohort testing, performance metrics (ROC, AUC, sensitivity, specificity)


⚙️ Pipeline Engineering

Workflow Management

Snakemake — Production pipelines with DAG visualization, cluster execution, checkpoint/restart
Nextflow — DSL2 workflows, nf-core modules, cloud-native deployment
Bash Scripting — Custom automation, data munging, job submission

Containerization

Docker — Reproducible environments, multi-stage builds, Docker Hub registry
Singularity — HPC-compatible containers, rootless execution
Best Practices: Minimal base images, layer caching, security scanning

Version Control

Git/GitHub — Branching strategies, pull requests, code review
GitHub Actions — CI/CD pipelines, automated testing, deployment
GitLab CI/CD — Alternative platform for enterprise clients

High-Performance Computing

Job Schedulers: SLURM, SGE, PBS/Torque
Resource Management: Memory optimization, parallel processing, array jobs
Data Transfer: rsync, Aspera, AWS S3/Glacier


📦 R Package Development

Package Infrastructure

Development Tools: devtools, usethis, roxygen2, pkgdown
Documentation: Function references, vignettes, NEWS.md, README
Testing: testthat (unit tests), covr (code coverage), R CMD check

Standards Compliance

CRAN Standards: Package structure, documentation requirements, DESCRIPTION fields
Bioconductor: S4 classes, vignettes, dependencies, coding style
Best Practices: Error handling, input validation, version compatibility

Object-Oriented Programming

S3 Classes: Simple object systems, generic methods
S4 Classes: Formal class definitions, slot validation, inheritance
R6 Classes: Reference semantics for mutable objects


🤖 AI & Machine Learning

ML Frameworks

R: caret, mlr3, tidymodels, keras, tensorflow
Python: scikit-learn, TensorFlow, PyTorch, XGBoost, LightGBM
AutoML: H2O.ai, auto-sklearn, TPOT

Feature Engineering

Genomics-Specific: Gene signatures, pathway scores, mutation burden
Normalization: z-score, quantile, TPM, CPM, TMM, sctransform
Selection: Recursive feature elimination, LASSO, elastic net, random forest importance

Model Deployment

REST APIs: Flask, FastAPI, Plumber (R)
Containerization: Docker for model serving
Monitoring: Model performance tracking, drift detection
Cloud: AWS SageMaker, Azure ML, Google Cloud AI Platform


📈 Visualization & Reporting

Static Graphics

ggplot2 — Publication-quality plots with custom themes
ComplexHeatmap — Multi-layer heatmaps, annotations, clustering
pheatmap — Quick heatmaps for exploratory analysis
Base R — Specialized plots for genomics (MAF plots, circos-style)

Interactive Visualizations

Shiny — Web applications for data exploration
plotly — Interactive plots with zoom, hover tooltips
DT — Interactive tables with search/filter
htmlwidgets — JavaScript visualizations in R

Report Generation

Quarto — Modern literate programming, multi-format output
RMarkdown — Dynamic documents, parameterized reports
pkgdown — Package documentation websites
Bookdown — Long-form documentation, thesis, books


🗄️ Data Management

Data Formats

Sequence Data: FASTQ, BAM, SAM, CRAM, BED, VCF
Expression Data: h5ad, Seurat objects, ExpressionSet, SingleCellExperiment
Tabular: CSV, TSV, Excel, Parquet, Arrow
Databases: SQLite, PostgreSQL, MySQL, MongoDB

Public Databases

TCGA — The Cancer Genome Atlas (>11,000 patients)
GEO — Gene Expression Omnibus (>200,000 datasets)
EGA — European Genome-phenome Archive (controlled access)
SRA — Sequence Read Archive (raw sequencing data)
cBioPortal — Cancer genomics data portal
COSMIC — Catalog of Somatic Mutations in Cancer
FoundationOne — Clinical genomic profiling data

Data Wrangling

R: dplyr, data.table, tidyr, stringr, purrr
Python: pandas, numpy, polars
Command Line: awk, sed, grep, cut, sort, uniq


🔬 Sequencing Platforms

Illumina

NovaSeq 6000 — High-throughput WGS, RNA-seq, panels
HiSeq 2500/4000 — Mid-throughput sequencing
NextSeq 500/550 — Desktop sequencer for targeted panels
MiSeq — Small-scale sequencing, amplicon analysis

10X Genomics

Single-Cell Gene Expression — 3’ and 5’ chemistry
Single-Cell Immune Profiling — scTCR-seq, scBCR-seq
Visium Spatial — Spatial transcriptomics
Multiome — scRNA-seq + scATAC-seq

Long-Read

PacBio Sequel II — HiFi long reads (10-25kb)
Oxford Nanopore — MinION, GridION, PromethION (ultra-long reads)

Microarrays

Affymetrix — Gene expression arrays (Exon, Gene ST)
Illumina BeadArray — Methylation arrays (450K, EPIC)
Agilent — Custom arrays for targeted profiling


🏢 Industry-Standard Tools

Compliance & Quality

ISO Standards Experience — Quality management systems (QMS)
GxP Awareness — Good Clinical/Laboratory/Manufacturing Practices
21 CFR Part 11 — Understanding of electronic records regulations
CRAN/Bioconductor Standards — Package quality guidelines

Collaboration Tools

Slack — Team communication
Zoom/Teams — Virtual meetings
Asana/Jira — Project management
Confluence — Documentation
SharePoint — Document collaboration

Cloud Platforms

AWS — S3, EC2, Batch, SageMaker
Google Cloud — Cloud Storage, Compute Engine, Vertex AI
Azure — Blob Storage, Virtual Machines, Machine Learning
Collaboration: Terra/Firecloud, DNAnexus, Seven Bridges


📚 Continuous Learning

We stay current with the latest bioinformatics developments:

Conferences: AACR, ISMB, R/Pharma, BioC (Bioconductor)
Journals: Nature Biotech, Genome Biology, Bioinformatics, Nature Methods
Communities: Biostars, Bioconductor support, Stack Overflow
Training: Coursera, edX, company workshops, peer learning


🎯 Our Expertise in Action

9+ Years Pharma Experience at Roche/Genentech
800+ Patient Samples analyzed across clinical trials
160,000 sgRNAs processed in CRISPR screens
6 Publications in top-tier journals
Multiple R Packages developed for internal use
Production Pipelines serving multiple teams

📂 View Case Studies 📚 Read Publications


💼 Ready to Leverage Our Expertise?

From cutting-edge analysis to production-ready pipelines, we bring the right tools and expertise to your project.

📧 Discuss Your Needs 🛠️ Explore Services

Email: kontakt@actn3.pl
Response Time: Within 24 hours

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