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Detecting T cell activation using a varying dimension Bayesian model

Author

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  • Zicheng Hu
  • Jessica N Lancaster
  • Lauren I. R. Ehrlich
  • Peter Müller

Abstract

The detection of T cell activation is critical in many immunological assays. However, detecting T cell activation in live tissues remains a challenge due to highly noisy data. We developed a Bayesian probabilistic model to identify T cell activation based on calcium flux, a increase in intracellular calcium concentration that occurs during T cell activation. Because a T cell has unknown number of flux events, the implementation of posterior inference requires trans-dimensional posterior simulation. The model is able to detect calcium flux events at the single cell level from simulated data, as well as from noisy biological data.

Suggested Citation

  • Zicheng Hu & Jessica N Lancaster & Lauren I. R. Ehrlich & Peter Müller, 2018. "Detecting T cell activation using a varying dimension Bayesian model," Journal of Applied Statistics, Taylor & Francis Journals, vol. 45(4), pages 697-713, March.
  • Handle: RePEc:taf:japsta:v:45:y:2018:i:4:p:697-713
    DOI: 10.1080/02664763.2017.1290789
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