Fate and long-lasting therapeutic effects of mesenchymal stromal/stem-like cells: mechanistic insights

Abstract A large body of evidence suggests that mesenchymal stromal cells (MSCs) are able to respond rapidly to the cytokine milieu following systemic infusion. This encounter has the potential to dictate their therapeutic efficacy (also referred to as licensing). MSCs are able to rapidly react to c...

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Main Authors: Akram Hoseinzadeh, Seyed-Alireza Esmaeili, Reza Sahebi, Anahita Madani Melak, Mahmoud Mahmoudi, Maliheh Hasannia, Rasoul Baharlou
Format: Article
Language:English
Published: BMC 2025-02-01
Series:Stem Cell Research & Therapy
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Online Access:https://doi.org/10.1186/s13287-025-04158-z
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author Akram Hoseinzadeh
Seyed-Alireza Esmaeili
Reza Sahebi
Anahita Madani Melak
Mahmoud Mahmoudi
Maliheh Hasannia
Rasoul Baharlou
author_facet Akram Hoseinzadeh
Seyed-Alireza Esmaeili
Reza Sahebi
Anahita Madani Melak
Mahmoud Mahmoudi
Maliheh Hasannia
Rasoul Baharlou
author_sort Akram Hoseinzadeh
collection DOAJ
description Abstract A large body of evidence suggests that mesenchymal stromal cells (MSCs) are able to respond rapidly to the cytokine milieu following systemic infusion. This encounter has the potential to dictate their therapeutic efficacy (also referred to as licensing). MSCs are able to rapidly react to cellular damage by migrating to the inflamed tissue and ultimately modifying the inflammatory microenvironment. However, the limited use of MSCs in clinical practice can be attributed to a lack of understanding of the fate of MSCs in patients after administration and long term MSC-derived therapeutic activity. While the known physiological effectors of viable MSCs make a relative contribution, an innate property of MSCs as a therapeutic agent is their caspase-dependent cell death. These mechanisms may be involving the functional reprogramming of myeloid phagocytes via efferocytosis, the process by which apoptotic bodies (ABs) are identified for engulfment by both specialized and non-specialized phagocytic cells. Recent studies have provided evidence that the uptake of ABs with a distinct genetic component can induce changes in gene expression through the process of epigenetic remodeling. This phenomenon, known as ‘trained immunity’, has a significant impact on immunometabolism processes. It is hypothesized that the diversity of recipient cells within the inflammatory stroma adjacent to MSCs may potentially serve as a biomarker for predicting the clinical outcome of MSC treatment, while also contributing to the variable outcomes observed with MSC-based therapies. Therefore, the long-term reconstructive process of MSCs may potentially be mediated by MSC apoptosis and subsequent phagocyte-mediated efferocytosis. Graphical Abstract
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spelling doaj-art-753fcb2a7620409386ae97d6c18750602025-02-09T12:15:34ZengBMCStem Cell Research & Therapy1757-65122025-02-0116112910.1186/s13287-025-04158-zFate and long-lasting therapeutic effects of mesenchymal stromal/stem-like cells: mechanistic insightsAkram Hoseinzadeh0Seyed-Alireza Esmaeili1Reza Sahebi2Anahita Madani Melak3Mahmoud Mahmoudi4Maliheh Hasannia5Rasoul Baharlou6Department of Immunology, Faculty of Medicine, Semnan University of Medical SciencesDepartment of Immunology, Faculty of Medicine, Mashhad University of Medical SciencesDepartment of Modern Sciences and Technologies, Mashhad University of Medical SciencesDepartment of Biology, Kavian Institute of Higher educationDepartment of Immunology, Faculty of Medicine, Mashhad University of Medical SciencesCancer Research Center, Faculty of Medicine, Semnan University of Medical SciencesDepartment of Immunology, Faculty of Medicine, Semnan University of Medical SciencesAbstract A large body of evidence suggests that mesenchymal stromal cells (MSCs) are able to respond rapidly to the cytokine milieu following systemic infusion. This encounter has the potential to dictate their therapeutic efficacy (also referred to as licensing). MSCs are able to rapidly react to cellular damage by migrating to the inflamed tissue and ultimately modifying the inflammatory microenvironment. However, the limited use of MSCs in clinical practice can be attributed to a lack of understanding of the fate of MSCs in patients after administration and long term MSC-derived therapeutic activity. While the known physiological effectors of viable MSCs make a relative contribution, an innate property of MSCs as a therapeutic agent is their caspase-dependent cell death. These mechanisms may be involving the functional reprogramming of myeloid phagocytes via efferocytosis, the process by which apoptotic bodies (ABs) are identified for engulfment by both specialized and non-specialized phagocytic cells. Recent studies have provided evidence that the uptake of ABs with a distinct genetic component can induce changes in gene expression through the process of epigenetic remodeling. This phenomenon, known as ‘trained immunity’, has a significant impact on immunometabolism processes. It is hypothesized that the diversity of recipient cells within the inflammatory stroma adjacent to MSCs may potentially serve as a biomarker for predicting the clinical outcome of MSC treatment, while also contributing to the variable outcomes observed with MSC-based therapies. Therefore, the long-term reconstructive process of MSCs may potentially be mediated by MSC apoptosis and subsequent phagocyte-mediated efferocytosis. Graphical Abstracthttps://doi.org/10.1186/s13287-025-04158-zMesenchymal stem cellsApoptosisEfferocytosisApoptotic bodiesLong-term effectivenessImmunoregulation
spellingShingle Akram Hoseinzadeh
Seyed-Alireza Esmaeili
Reza Sahebi
Anahita Madani Melak
Mahmoud Mahmoudi
Maliheh Hasannia
Rasoul Baharlou
Fate and long-lasting therapeutic effects of mesenchymal stromal/stem-like cells: mechanistic insights
Stem Cell Research & Therapy
Mesenchymal stem cells
Apoptosis
Efferocytosis
Apoptotic bodies
Long-term effectiveness
Immunoregulation
title Fate and long-lasting therapeutic effects of mesenchymal stromal/stem-like cells: mechanistic insights
title_full Fate and long-lasting therapeutic effects of mesenchymal stromal/stem-like cells: mechanistic insights
title_fullStr Fate and long-lasting therapeutic effects of mesenchymal stromal/stem-like cells: mechanistic insights
title_full_unstemmed Fate and long-lasting therapeutic effects of mesenchymal stromal/stem-like cells: mechanistic insights
title_short Fate and long-lasting therapeutic effects of mesenchymal stromal/stem-like cells: mechanistic insights
title_sort fate and long lasting therapeutic effects of mesenchymal stromal stem like cells mechanistic insights
topic Mesenchymal stem cells
Apoptosis
Efferocytosis
Apoptotic bodies
Long-term effectiveness
Immunoregulation
url https://doi.org/10.1186/s13287-025-04158-z
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