Cell-in-cell phenomena across the tree of life

Abstract Cells in obligately multicellular organisms by definition have aligned fitness interests, minimum conflict, and cannot reproduce independently. However, some cells eat other cells within the same body, sometimes called cell cannibalism. Such cell-in-cell events have not been thoroughly disc...

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Main Authors: Stefania E. Kapsetaki, Luis H. Cisneros, Carlo C. Maley
Format: Article
Language:English
Published: Nature Portfolio 2024-03-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-024-57528-7
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author Stefania E. Kapsetaki
Luis H. Cisneros
Carlo C. Maley
author_facet Stefania E. Kapsetaki
Luis H. Cisneros
Carlo C. Maley
author_sort Stefania E. Kapsetaki
collection DOAJ
description Abstract Cells in obligately multicellular organisms by definition have aligned fitness interests, minimum conflict, and cannot reproduce independently. However, some cells eat other cells within the same body, sometimes called cell cannibalism. Such cell-in-cell events have not been thoroughly discussed in the framework of major transitions to multicellularity. We performed a systematic screening of 508 articles, from which we chose 115 relevant articles in a search for cell-in-cell events across the tree of life, the age of cell-in-cell-related genes, and whether cell-in-cell events are associated with normal multicellular development or cancer. Cell-in-cell events are found across the tree of life, from some unicellular to many multicellular organisms, including non-neoplastic and neoplastic tissue. Additionally, out of the 38 cell-in-cell-related genes found in the literature, 14 genes were over 2.2 billion years old, i.e., older than the common ancestor of some facultatively multicellular taxa. All of this suggests that cell-in-cell events may have originated before the origins of obligate multicellularity. Thus, our results show that cell-in-cell events exist in obligate multicellular organisms, but are not a defining feature of them. The idea of eradicating cell-in-cell events from obligate multicellular organisms as a way of treating cancer, without considering that cell-in-cell events are also part of normal development, should be abandoned.
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spelling doaj.art-fa588e944668439cbe9a5159b24286092024-03-31T11:21:02ZengNature PortfolioScientific Reports2045-23222024-03-011411910.1038/s41598-024-57528-7Cell-in-cell phenomena across the tree of lifeStefania E. Kapsetaki0Luis H. Cisneros1Carlo C. Maley2Arizona Cancer Evolution Center, Arizona State UniversityArizona Cancer Evolution Center, Arizona State UniversityArizona Cancer Evolution Center, Arizona State UniversityAbstract Cells in obligately multicellular organisms by definition have aligned fitness interests, minimum conflict, and cannot reproduce independently. However, some cells eat other cells within the same body, sometimes called cell cannibalism. Such cell-in-cell events have not been thoroughly discussed in the framework of major transitions to multicellularity. We performed a systematic screening of 508 articles, from which we chose 115 relevant articles in a search for cell-in-cell events across the tree of life, the age of cell-in-cell-related genes, and whether cell-in-cell events are associated with normal multicellular development or cancer. Cell-in-cell events are found across the tree of life, from some unicellular to many multicellular organisms, including non-neoplastic and neoplastic tissue. Additionally, out of the 38 cell-in-cell-related genes found in the literature, 14 genes were over 2.2 billion years old, i.e., older than the common ancestor of some facultatively multicellular taxa. All of this suggests that cell-in-cell events may have originated before the origins of obligate multicellularity. Thus, our results show that cell-in-cell events exist in obligate multicellular organisms, but are not a defining feature of them. The idea of eradicating cell-in-cell events from obligate multicellular organisms as a way of treating cancer, without considering that cell-in-cell events are also part of normal development, should be abandoned.https://doi.org/10.1038/s41598-024-57528-7
spellingShingle Stefania E. Kapsetaki
Luis H. Cisneros
Carlo C. Maley
Cell-in-cell phenomena across the tree of life
Scientific Reports
title Cell-in-cell phenomena across the tree of life
title_full Cell-in-cell phenomena across the tree of life
title_fullStr Cell-in-cell phenomena across the tree of life
title_full_unstemmed Cell-in-cell phenomena across the tree of life
title_short Cell-in-cell phenomena across the tree of life
title_sort cell in cell phenomena across the tree of life
url https://doi.org/10.1038/s41598-024-57528-7
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