Interspecies Chimeric Barriers for Generating Exogenic Organs and Cells for Transplantation

A growing need for organs and novel cell-based therapies has provided a niche for approaches like interspecies chimeras. To generate organs from one donor species in another host species requires techniques such as blastocyst complementation and gene editing to successfully create an embryo that has...

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Main Authors: Phoebe Strell, Anala Shetty, Clifford J. Steer, Walter C. Low
Format: Article
Language:English
Published: SAGE Publishing 2022-09-01
Series:Cell Transplantation
Online Access:https://doi.org/10.1177/09636897221110525
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author Phoebe Strell
Anala Shetty
Clifford J. Steer
Walter C. Low
author_facet Phoebe Strell
Anala Shetty
Clifford J. Steer
Walter C. Low
author_sort Phoebe Strell
collection DOAJ
description A growing need for organs and novel cell-based therapies has provided a niche for approaches like interspecies chimeras. To generate organs from one donor species in another host species requires techniques such as blastocyst complementation and gene editing to successfully create an embryo that has cells from both the donor and the host. However, the task of developing highly efficacious and competent interspecies chimeras is met by many challenges. These interspecies chimeric barriers impede the formation of chimeras, often leading to lower levels of chimeric competency. The barriers that need to be addressed include the evolutionary distance between species, stage-matching, temporal and spatial synchronization of developmental timing, interspecies cell competition and the survival of pluripotent stem cells and embryos, compatibility of ligand–receptor signaling between species, and the ethical concerns of forming such models. By overcoming the interspecies chimera barriers and creating highly competent chimeras, the technology of organ and cellular generation can be honed and refined to develop fully functioning exogenic organs, tissues, and cells for transplantation.
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spelling doaj.art-c7c51135bf104ecd9a685251472419db2022-12-22T02:00:48ZengSAGE PublishingCell Transplantation1555-38922022-09-013110.1177/09636897221110525Interspecies Chimeric Barriers for Generating Exogenic Organs and Cells for TransplantationPhoebe Strell0Anala Shetty1Clifford J. Steer2Walter C. Low3Stem Cell Institute, University of Minnesota, Twin Cities, Minneapolis, MN, USAMolecular, Cellular, Developmental Biology, and Genetics Graduate Program, University of Minnesota, Twin Cities, Minneapolis, MN, USADepartment of Genetics, Cell Biology and Genetics, University of Minnesota, Twin Cities, Minneapolis, MN, USADepartment of Neurosurgery, University of Minnesota, Twin Cities, Minneapolis, MN, USAA growing need for organs and novel cell-based therapies has provided a niche for approaches like interspecies chimeras. To generate organs from one donor species in another host species requires techniques such as blastocyst complementation and gene editing to successfully create an embryo that has cells from both the donor and the host. However, the task of developing highly efficacious and competent interspecies chimeras is met by many challenges. These interspecies chimeric barriers impede the formation of chimeras, often leading to lower levels of chimeric competency. The barriers that need to be addressed include the evolutionary distance between species, stage-matching, temporal and spatial synchronization of developmental timing, interspecies cell competition and the survival of pluripotent stem cells and embryos, compatibility of ligand–receptor signaling between species, and the ethical concerns of forming such models. By overcoming the interspecies chimera barriers and creating highly competent chimeras, the technology of organ and cellular generation can be honed and refined to develop fully functioning exogenic organs, tissues, and cells for transplantation.https://doi.org/10.1177/09636897221110525
spellingShingle Phoebe Strell
Anala Shetty
Clifford J. Steer
Walter C. Low
Interspecies Chimeric Barriers for Generating Exogenic Organs and Cells for Transplantation
Cell Transplantation
title Interspecies Chimeric Barriers for Generating Exogenic Organs and Cells for Transplantation
title_full Interspecies Chimeric Barriers for Generating Exogenic Organs and Cells for Transplantation
title_fullStr Interspecies Chimeric Barriers for Generating Exogenic Organs and Cells for Transplantation
title_full_unstemmed Interspecies Chimeric Barriers for Generating Exogenic Organs and Cells for Transplantation
title_short Interspecies Chimeric Barriers for Generating Exogenic Organs and Cells for Transplantation
title_sort interspecies chimeric barriers for generating exogenic organs and cells for transplantation
url https://doi.org/10.1177/09636897221110525
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