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Zhou Y, Yan J, Qiao L, Zeng J, Cao F, Sheng X, Qi X, Long C, Liu B, Wang X, Yao H, Xiao L. Bone Marrow Mesenchymal Stem Cell-Derived Exosomes Ameliorate Aging-Induced BTB Impairment in Porcine Testes by Activating Autophagy and Inhibiting ROS/NLRP3 Inflammasomes via the AMPK/mTOR Signaling Pathway. Antioxidants (Basel) 2024; 13:183. [PMID: 38397781 PMCID: PMC10886345 DOI: 10.3390/antiox13020183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/24/2024] [Accepted: 01/30/2024] [Indexed: 02/25/2024] Open
Abstract
As a pivotal player in spermatogenesis, the blood-testis barrier (BTB) made from junction apparatus coexisting in Sertoli cells (SCs) is impaired with an increase in age and ultimately induces spermatogenic dysfunction or even infertility. It has been corroborated that bone marrow mesenchymal stem cell (BMSC) transplantation can efficiently repair and regenerate the testicular function. As vital mediators of cell-to-cell communication, MSC-derived exosomes (Exos) can directly serve as therapeutic agents for tissue repair and regeneration. However, the therapeutic value of BMSC-Exos in aging-induced BTB damage remains to be confirmed. In this study, we explored that the old porcine testes had defective autophagy, which aggravated BTB disruption in SCs. BMSC-Exos could decrease ROS production and NLRP3 inflammasome activation but enhanced autophagy and tight junction (TJ) function in D-gal-triggered aging porcine SCs and mouse model testes, according to in vitro and in vivo experiments. Furthermore, rapamycin, NAC, MCC950, and IL-1Ra restored the TJ function in D-gal-stimulated aging porcine SCs, while BMSC-Exos' stimulatory effect on TJ function was inhibited by chloroquine. Moreover, the treatment with BMSC-Exos enhanced autophagy in D-gal-induced aging porcine SCs by means of the AMPK/mTOR signal transduction pathway. These findings uncovered through the present study that BMSC-Exos can enhance the BTB function in aging testes by improving autophagy via the AMPK/mTOR signaling pathway, thereby suppressing ROS production and NLRP3 inflammasome activation.
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Affiliation(s)
- Yi Zhou
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
| | - Jiale Yan
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
| | - Limin Qiao
- Department of Animal Husbandry and Veterinary, Beijing Vocational College of Agriculture, Beijing 102445, China;
| | - Jiaqin Zeng
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
| | - Fuyu Cao
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
| | - Xihui Sheng
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
| | - Xiaolong Qi
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
| | - Cheng Long
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
| | - Bingying Liu
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
| | - Xiangguo Wang
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
| | - Hua Yao
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
| | - Longfei Xiao
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China; (Y.Z.); (J.Y.); (J.Z.); (F.C.); (X.S.); (X.Q.); (C.L.); (B.L.); (X.W.)
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Zhang H, Gu Y, Zhang K, Tu Y, Ouyang C. Roles and mechanisms of umbilical cord mesenchymal stem cells in the treatment of diabetic foot: A review of preclinical and clinical studies. J Diabetes Complications 2024; 38:108671. [PMID: 38154217 DOI: 10.1016/j.jdiacomp.2023.108671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/29/2023] [Accepted: 12/17/2023] [Indexed: 12/30/2023]
Abstract
AIMS Growing preclinical and clinical evidence has suggested the potential method of umbilical cord mesenchymal stem cell (UCMSC) therapy for diabetic foot. Thus, the authors provided an outline of the application of UCMSCs in the treatment of diabetic foot and further summarized the roles and mechanisms of this therapy. DATA SYNTHESIS With no time limitations, the authors searched the Web of Science, Cochrane Central Register of Controlled Trials, and PubMed (MEDLINE) databases. 14 studies were included, including 9 preclinical experiments and 5 clinical trials (3 RCTs and 2 single-arm trials). CONCLUSIONS The UCMSCs are of great efficacy and safety, and function mainly by reducing inflammation, regulating immunity, promoting growth factors, and enhancing the functions of vascular endothelial cells, fibroblasts, and keratinocytes. As a result, ulcer healing-related biological processes ensue, which finally lead to diabetic foot ulcer healing and clinical symptom improvement. UCMSC treatment enhances diabetic foot ulcer healing and has a safety profile. They function mainly by modulating immunity, promoting growth factor secretion, and enhancing cellular functions. More well-designed preclinical and clinical studies are needed to provide the most optimal protocol, the comprehensive molecular mechanisms, as well as to further evaluate the efficiency and safety profile of UCMSC treatment in diabetic foot patients.
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Affiliation(s)
- Haorui Zhang
- Department of Vascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Yuanrui Gu
- Department of Vascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Ke Zhang
- Department of Vascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Yanxia Tu
- Department of Vascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Beilishi Road, Xi Cheng District, Beijing 100037, China
| | - Chenxi Ouyang
- Department of Vascular Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Beilishi Road, Xi Cheng District, Beijing 100037, China.
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Hani R, Khayat L, Rahman AA, Alaaeddine N. Effect of stem cell secretome in skin rejuvenation: a narrative review. Mol Biol Rep 2023; 50:7745-7758. [PMID: 37452901 DOI: 10.1007/s11033-023-08622-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 06/21/2023] [Indexed: 07/18/2023]
Abstract
PURPOSE Cutaneous aging is an inevitable biological process that develops over time due to cumulative cellular and molecular changes caused by exposure to intrinsic (chronological aging) and extrinsic (photo-aging) factors on the skin. Skin aging is characterized by a decline in the body's capability to sustain senescence, dermal cell apoptosis, and homeostasis. Stem cell secretions (secretome) are defined as the total set of dynamically overlapping paracrine soluble growth factors, cytokines, chemokines, angiogenic factors, extracellular matrix proteins, and antimicrobial peptides known to be responsible for tissue rejuvenation, regeneration, homeostasis, and immunomodulation. METHODS In this review, we summarized the molecular and regulatory mechanism of the secretome in preventing the skin aging process, as well as its capacity in inducing skin rejuvenation. Furthermore, we illustrated secretome efficiency as an anti-aging therapeutic strategy based on in vitro and in vivo published studies. RESULTS In all reviewed publications, the secretome has been proven to be the most effective treatment for aged skin, capable of reversing the aging process through the action of cytokines, growth factors, and collagen, which are its primary components. The reported mechanism of action involves modulating the signaling pathways of aging and replenishing the skin with collagen, fibronectin, and elastin, ultimately resulting in skin renewal and rejuvenation. CONCLUSION In conclusion, compared to available treatments, the secretome shows great promise as an anti-aging therapy.
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Affiliation(s)
- Rita Hani
- Faculty of Health Sciences, University of Balamand, Beirut, Lebanon
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Chouaib B, Haack-Sørensen M, Chaubron F, Cuisinier F, Collart-Dutilleul PY. Towards the Standardization of Mesenchymal Stem Cell Secretome-Derived Product Manufacturing for Tissue Regeneration. Int J Mol Sci 2023; 24:12594. [PMID: 37628774 PMCID: PMC10454619 DOI: 10.3390/ijms241612594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/29/2023] [Accepted: 08/05/2023] [Indexed: 08/27/2023] Open
Abstract
Mesenchymal stem cell secretome or conditioned medium (MSC-CM) is a combination of biomolecules and growth factors in cell culture growth medium, secreted by mesenchymal stem cells (MSCs), and the starting point of several derived products. MSC-CM and its derivatives could be applied after injuries and could mediate most of the beneficial regenerative effects of MSCs without the possible side effects of using MSCs themselves. However, before the clinical application of these promising biopharmaceuticals, several issues such as manufacturing protocols and quality control must be addressed. This review aims to underline the influence of the procedure for conditioned medium production on the quality of the secretome and its derivatives and highlights the questions considering cell sources and donors, cell expansion, cell passage number and confluency, conditioning period, cell culture medium, microenvironment cues, and secretome-derived product purification. A high degree of variability in MSC secretomes is revealed based on these parameters, confirming the need to standardize and optimize protocols. Understanding how bioprocessing and manufacturing conditions interact to determine the quantity, quality, and profile of MSC-CM is essential to the development of good manufacturing practice (GMP)-compliant procedures suitable for replacing mesenchymal stem cells in regenerative medicine.
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Affiliation(s)
- Batoul Chouaib
- LBN, University of Montpellier, 34000 Montpellier, France; (B.C.); (F.C.)
- Human Health Department, IRSN, French Institute for Radiological Protection and Nuclear Safety, SERAMED, LRMed, 92262 Fontenay-aux-Roses, France
| | - Mandana Haack-Sørensen
- Cardiology Stem Cell Centre 9302, Rigshospitalet University of Copenhagen, Henrik Harpestrengsvej 4C, 2100 Copenhagen, Denmark
| | - Franck Chaubron
- Institut Clinident BioPharma, Biopôle Clermont-Limagne, 63360 Saint Beauzire, France;
| | - Frederic Cuisinier
- LBN, University of Montpellier, 34000 Montpellier, France; (B.C.); (F.C.)
- Faculty of Dentistry, University of Montpellier, 34000 Montpellier, France
- Service Odontologie, CHU Montpellier, 34000 Montpellier, France
| | - Pierre-Yves Collart-Dutilleul
- LBN, University of Montpellier, 34000 Montpellier, France; (B.C.); (F.C.)
- Faculty of Dentistry, University of Montpellier, 34000 Montpellier, France
- Service Odontologie, CHU Montpellier, 34000 Montpellier, France
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Cheng F, Ji Q, Wang L, Wang C, Liu G, Wang L. Reducing oxidative protein folding alleviates senescence by minimizing ER-to-nucleus H 2 O 2 release. EMBO Rep 2023; 24:e56439. [PMID: 37306027 PMCID: PMC10398651 DOI: 10.15252/embr.202256439] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 05/18/2023] [Accepted: 05/26/2023] [Indexed: 06/13/2023] Open
Abstract
Oxidative protein folding occurs in the endoplasmic reticulum (ER) to generate disulfide bonds, and the by-product is hydrogen peroxide (H2 O2 ). However, the relationship between oxidative protein folding and senescence remains uncharacterized. Here, we find that the protein disulfide isomerase (PDI), a key oxidoreductase that catalyzes oxidative protein folding, accumulated in aged human mesenchymal stem cells (hMSCs) and deletion of PDI alleviated hMSCs senescence. Mechanistically, knocking out PDI slows the rate of oxidative protein folding and decreases the leakage of ER-derived H2 O2 into the nucleus, thereby decreasing the expression of SERPINE1, which was identified as a key driver of cell senescence. Furthermore, we show that depletion of PDI alleviated senescence in various cell models of aging. Our findings reveal a previously unrecognized role of oxidative protein folding in promoting cell aging, providing a potential target for aging and aging-related disease intervention.
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Affiliation(s)
- Fang Cheng
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of BiophysicsChinese Academy of SciencesBeijingChina
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
| | - Qianzhao Ji
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
- State Key Laboratory of Membrane Biology, Institute of ZoologyChinese Academy of SciencesBeijingChina
| | - Lu Wang
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of BiophysicsChinese Academy of SciencesBeijingChina
| | - Chih‐chen Wang
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of BiophysicsChinese Academy of SciencesBeijingChina
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
| | - Guang‐Hui Liu
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
- State Key Laboratory of Membrane Biology, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, Xuanwu HospitalCapital Medical UniversityBeijingChina
| | - Lei Wang
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of BiophysicsChinese Academy of SciencesBeijingChina
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
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Zakiyah N, Wanandi SI, Antarianto RD, Syahrani RA, Arumsari S. Mesenchymal Stem Cell-Derived Extracellular Vesicles Increase Human MCF7 Breast Cancer Cell Proliferation associated with OCT4 Expression and ALDH Activity. Asian Pac J Cancer Prev 2023; 24:2781-2789. [PMID: 37642065 PMCID: PMC10685238 DOI: 10.31557/apjcp.2023.24.8.2781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 08/12/2023] [Indexed: 08/31/2023] Open
Abstract
OBJECTIVE The aim of this study was to investigate the effect of mesenchymal stem cells-derived extracellular vesicles (MSC-EVs) on the human MCF7 breast cancer cell proliferation that have been considered to contain limited CSC population and its association with the expression of OCT4 and ALDH1 stemness markers. METHODS EVs were successfully isolated from the conditioned medium of umbilical cord MSCs using size exclusion chromatography. The isolated EV fraction was verified under a transmission electron microscope (TEM). Five and ten percent (v/v) concentration of MSC-EVs were then co-cultured with MCF7 cells. To investigate MSC-EV uptake by MCF7 cells, we performed confocal microscopy analysis. Subsequently, the proliferation of co-cultured MCF7 cells was determined using trypan blue exclusion assay, while their mRNA and protein expression of OCT4 as well as ALDH activity as the marker of stemness properties were analyzed using quantitative reverse transcription polymerase chain reaction, Western Blot, and Aldefluor™ assays, respectively. RESULT MSC-EVs were detected as round-shaped, ~100 nm sized particles under TEM. We also demonstrate that MSC-EVs can be internalized by MCF7 cells. Notably, MSC-EVs of 5% concentration increased OCT4 mRNA expression and ALDH1 activity in MCF7 cells. At 10% concentration, MSC-EVs reduced the OCT4 expression and ALDH1 activity. CONCLUSION MSC-derived EVs modulate the stemness of MCF7 cells, either OCT4 expression or ALDH1 activity, in a concentration dependent manner along with the increase of cell proliferation.
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Affiliation(s)
- Nibras Zakiyah
- Master’s Programme in Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia.
| | - Septelia Inawati Wanandi
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia.
- Molecular Biology and Proteomics Core Facilities, Indonesian Medical Education and Research Institute (IMERI), Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia.
| | - Radiana Dhewayani Antarianto
- Department of Histology, Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia.
- Stem Cells and Tissue Engineering, Indonesian Medical Education and Research Institute (IMERI), Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia.
| | - Resda Akhra Syahrani
- Molecular Biology and Proteomics Core Facilities, Indonesian Medical Education and Research Institute (IMERI), Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia.
| | - Sekar Arumsari
- Molecular Biology and Proteomics Core Facilities, Indonesian Medical Education and Research Institute (IMERI), Faculty of Medicine, Universitas Indonesia, Jakarta, 10430, Indonesia.
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Arcuri S, Pennarossa G, De Iorio T, Gandolfi F, Brevini TAL. 3D ECM-Based Scaffolds Boost Young Cell Secretome-Derived EV Rejuvenating Effects in Senescent Cells. Int J Mol Sci 2023; 24:ijms24098285. [PMID: 37175996 PMCID: PMC10179031 DOI: 10.3390/ijms24098285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 04/26/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
Aging is a complex, multifaceted degenerative process characterized by a progressive accumulation of macroscopic and microscopic modifications that cause a gradual decline of physiological functions. During the last few years, strategies to ease and counteract senescence or even rejuvenate cells and tissues were proposed. Here we investigate whether young cell secretome-derived extracellular vesicles (EVs) ameliorate the cellular and physiological hallmarks of aging in senescent cells. In addition, based on the assumption that extracellular matrix (ECM) provides biomechanical stimuli, directly influencing cell behavior, we examine whether ECM-based bio-scaffolds, obtained from decellularized ovaries of young swine, stably maintain the rejuvenated phenotype acquired by cells after exposure to young cell secretome. The results obtained demonstrate that young cells release EVs endowed with the ability to counteract aging. In addition, comparison between young and aged cell secretomes shows a significantly higher miR-200 content in EVs produced using fibroblasts isolated from young donors. The effect exerted by young cell secretome-derived EVs is transient, but can be stabilized using a young ECM microenvironment. This finding indicates a synergistic interaction occurring among molecular effectors and ECM-derived stimuli that cooperate to control a unique program, driving the cell clock. The model described in this paper may represent a useful tool to finely dissect the complex regulations and multiple biochemical and biomechanical cues driving cellular biological age.
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Affiliation(s)
- Sharon Arcuri
- Laboratory of Biomedical Embryology and Tissue Engineering, Department of Veterinary Medicine and Animal Sciences, Center for Stem Cell Research, Università degli Studi di Milano, Via Trentacoste 2, 20134 Milan, Italy
| | - Georgia Pennarossa
- Laboratory of Biomedical Embryology and Tissue Engineering, Department of Veterinary Medicine and Animal Sciences, Center for Stem Cell Research, Università degli Studi di Milano, Via Trentacoste 2, 20134 Milan, Italy
| | - Teresina De Iorio
- Laboratory of Biomedical Embryology and Tissue Engineering, Department of Veterinary Medicine and Animal Sciences, Center for Stem Cell Research, Università degli Studi di Milano, Via Trentacoste 2, 20134 Milan, Italy
| | - Fulvio Gandolfi
- Department of Agricultural and Environmental Sciences-Production, Landscape, Agroenergy, Università degli Studi di Milano, Via Celoria 2, 20133 Milan, Italy
| | - Tiziana A L Brevini
- Laboratory of Biomedical Embryology and Tissue Engineering, Department of Veterinary Medicine and Animal Sciences, Center for Stem Cell Research, Università degli Studi di Milano, Via Trentacoste 2, 20134 Milan, Italy
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Gao S, Chen B, Zhu Z, Du C, Zou J, Yang Y, Huang W, Liao J. PI3K-Akt signaling regulates BMP2-induced osteogenic differentiation of mesenchymal stem cells (MSCs): A transcriptomic landscape analysis. Stem Cell Res 2023; 66:103010. [PMID: 36580886 DOI: 10.1016/j.scr.2022.103010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/30/2022] [Accepted: 12/22/2022] [Indexed: 12/24/2022] Open
Abstract
Bone morphogenetic protein 2 (BMP2) effectively induced mesenchymal stem cells (MSCs) osteogenic differentiation hold great potential for bone tissue engineering. However, a global mechanistic view of BMP2-induced osteogenic differentiation of MSCs remains to be fully elucidated. Here, human umbilical cord-derived MSCs (UC-MSCs) were induced with BMP2, three days and five days later, total RNA were extracted and subjected to RNA-sequencing (RNA-Seq) followed with bioinformatic analysis. Osteogenic differentiation abilities were evaluated with Alkaline phosphatase (ALP) staining and osteogenic differentiation marker expression at both mRNA and protein levels. We identified that adenoviral vectors effectively transduced in UC-MSCs and expressed BMP2 in high efficiency. Both on day 3 and day 5, differentially expressed genes (DEGs) were highly enriched in PI3K-Akt signaling pathway. As for the common DEGs among total BMP2 group vs control group, BMP2 (day 3) versus control (day 3) and BMP2 (day 5) versus control (day 5), there were 105 DGEs and highly enriched in PI3K-Akt signaling pathway. Finally, we found that PI3K-Akt signaling inhibitor dramatically inhibited BMP2-iduced osteogenic differentiation of UC-MSCs. We firstly identified that PI3K-Akt signaling pathway plays a pivotal role in BMP2-induced osteogenic differentiation of MSCs, which may apply a new perspective for BMP2 based bone tissue engineering.
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Affiliation(s)
- Shengqiang Gao
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Orthopedic Research Laboratory, Chongqing Medical University, Chongqing 400016, China
| | - Bowen Chen
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Orthopedic Research Laboratory, Chongqing Medical University, Chongqing 400016, China
| | - Zhenglin Zhu
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Orthopedic Research Laboratory, Chongqing Medical University, Chongqing 400016, China
| | - Chengcheng Du
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Orthopedic Research Laboratory, Chongqing Medical University, Chongqing 400016, China
| | - Jing Zou
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Orthopedic Research Laboratory, Chongqing Medical University, Chongqing 400016, China
| | - Yaji Yang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Orthopedic Research Laboratory, Chongqing Medical University, Chongqing 400016, China
| | - Wei Huang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Orthopedic Research Laboratory, Chongqing Medical University, Chongqing 400016, China.
| | - Junyi Liao
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Orthopedic Research Laboratory, Chongqing Medical University, Chongqing 400016, China.
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Sekelova T, Danisovic L, Cehakova M. Rejuvenation of Senescent Mesenchymal Stem Cells to Prevent Age-Related Changes in Synovial Joints. Cell Transplant 2023; 32:9636897231200065. [PMID: 37766590 PMCID: PMC10540599 DOI: 10.1177/09636897231200065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 08/13/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open
Abstract
Mesenchymal/medicinal stem/signaling cells (MSCs), well known for regenerative potential, have been involved in hundreds of clinical trials. Even if equipped with reparative properties, aging significantly decreases their biological activity, representing a major challenge for MSC-based therapies. Age-related joint diseases, such as osteoarthritis, are associated with the accumulation of senescent cells, including synovial MSCs. An impaired ability of MSCs to self-renew and differentiate is one of the main contributors to the human aging process. Moreover, senescent MSCs (sMSCs) are characterized by the senescence-messaging secretome (SMS), which is typically manifested by the release of molecules with an adverse effect. Many factors, from genetic and metabolic pathways to environmental stressors, participate in the regulation of the senescent phenotype of MSCs. To better understand cellular senescence in MSCs, this review discusses the characteristics of sMSCs, their role in cartilage and synovial joint aging, and current rejuvenation approaches to delay/reverse age-related pathological changes, providing evidence from in vivo experiments as well.
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Affiliation(s)
- Tatiana Sekelova
- National Institute of Rheumatic Diseases, Piestany, Slovakia
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Lubos Danisovic
- National Institute of Rheumatic Diseases, Piestany, Slovakia
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Michaela Cehakova
- National Institute of Rheumatic Diseases, Piestany, Slovakia
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
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