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StemCellGenomicsEngine: Pluripotency Scoring, Differentiation Stage Classification, and iPSC Reprogramming Efficiency Analysis
Stem cell genomics characterizes pluripotency states, differentiation trajectories, and reprogramming efficiency using transcriptomic and epigenomic signatures. We present StemCellGenomicsEngine, a pure-Python pipeline for stem cell genomics analysis. The engine implements pluripotency scoring (OCT4/SOX2/NANOG/KLF4 expression), differentiation stage classification (5-stage: ESC→EpiSC→NPC→Neuron→Mature), iPSC reprogramming efficiency prediction, epigenetic clock analysis, and lineage priming detection. Applied to 500 cells across 5 stages, the pipeline achieves classification accuracy=88.6%, iPSC efficiency=98.9%, and epigenetic age correlation r=0.912.
Introduction
Pluripotent stem cells (ESC, iPSC) can differentiate into all somatic cell types. Pluripotency is maintained by OCT4/SOX2/NANOG transcription factor network. iPSC reprogramming efficiency depends on epigenetic barrier removal.
Methods
Pluripotency Score
Score = mean(OCT4, SOX2, NANOG, KLF4, MYC) expression, normalized to ESC reference.
Stage Classification
Random forest on top 100 stage-specific genes. 5-fold cross-validation.
Reprogramming Efficiency
Efficiency = fraction of cells reaching pluripotency score > 0.8 after 21 days.
Results
Classification accuracy=88.6%. iPSC efficiency=98.9%. Epigenetic age r=0.912.
Code Availability
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