Multistage feedback-driven compartmental dynamics of hematopoiesis

Nathaniel Vincent Mon Père, Tom Lenaerts, Jorge Manuel dos Santos Pacheco, David Dingli

Research output: Contribution to journalArticlepeer-review

Abstract

Human hematopoiesis is surprisingly resilient to disruptions, providing suitable responses to severe bleeding, long-lasting immune activation, and even bone marrow transplants. Still, many blood disorders exist which push the system past its natural plasticity, resulting in abnormalities in the circulating blood. While proper treatment of such diseases can benefit from understanding the underlying cell dynamics, these are non-trivial to predict due to the hematopoietic system's hierarchical nature and complex feedback networks. To characterize the dynamics following different types of perturbations, we investigate a model representing hematopoiesis as a sequence of compartments covering all maturation stages—from stem to mature cells—where feedback regulates cell production to ongoing necessities. We find that a stable response to perturbations requires the simultaneous adaptation of cell differentiation and self-renewal rates, and show that under conditions of continuous disruption—as found in chronic hemolytic states—compartment cell numbers evolve to novel stable states.

Original languageEnglish (US)
Article number102326
JournaliScience
Volume24
Issue number4
DOIs
StatePublished - Apr 23 2021

Keywords

  • Bioinformatics
  • Mathematical Biosciences
  • Systems Biology

ASJC Scopus subject areas

  • General

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