Emergence of division of labor in tissues through cell interactions and spatial cues
- PMID: 37086403
- PMCID: PMC10242439
- DOI: 10.1016/j.celrep.2023.112412
Emergence of division of labor in tissues through cell interactions and spatial cues
Abstract
Most cell types in multicellular organisms can perform multiple functions. However, not all functions can be optimally performed simultaneously by the same cells. Functions incompatible at the level of individual cells can be performed at the cell population level, where cells divide labor and specialize in different functions. Division of labor can arise due to instruction by tissue environment or through self-organization. Here, we develop a computational framework to investigate the contribution of these mechanisms to division of labor within a cell-type population. By optimizing collective cellular task performance under trade-offs, we find that distinguishable expression patterns can emerge from cell-cell interactions versus instructive signals. We propose a method to construct ligand-receptor networks between specialist cells and use it to infer division-of-labor mechanisms from single-cell RNA sequencing (RNA-seq) and spatial transcriptomics data of stromal, epithelial, and immune cells. Our framework can be used to characterize the complexity of cell interactions within tissues.
Keywords: CP: Developmental biology; Pareto optimality; division of labor; enterocytes; fibroblasts; lateral inhibition; macrophages; morphogens; self-organization.
Copyright �� 2023 The Authors. Published by Elsevier Inc. All rights reserved.
Conflict of interest statement
Declaration of interests N.K. has served as a consultant to Boehringer Ingelheim, Third Rock, Pliant, Samumed, NuMedii, Theravance, LifeMax, Three Lake Partners, Optikira, Astra Zeneca, RohBar, Veracyte, Augmanity, CSL Behring, Galapagos, Gilead, Arrowhead, and Thyron over the last 3 years and reports equity in Pliant and Thyron; a grant from Veracyte, Boehringer Ingelheim, BMS; and non-financial support from MiRagen and Astra Zeneca. N.K. has intellectual property (IP) on novel biomarkers and therapeutics in idiopathic pulmonary fibrosis (IPF) licensed to Biotech. E.Z.M. is a consultant for Curio Biosciences, Inc. A.R. is a co-founder and equity holder of Celsius Therapeutics, an equity holder in Immunitas, and was an SAB member of Thermo Fisher Scientific, Syros Pharmaceuticals, Neogene Therapeutics, and Asimov until July 31, 2020. Beginning August 1, 2020, A.R. has been an employee of Genentech and has equity in Roche.
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