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Budzynska K, Siemionow M, Stawarz K, Chambily L, Siemionow K. Chimeric Cell Therapies as a Novel Approach for Duchenne Muscular Dystrophy (DMD) and Muscle Regeneration. Biomolecules 2024; 14:575. [PMID: 38785982 PMCID: PMC11117592 DOI: 10.3390/biom14050575] [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: 04/02/2024] [Revised: 05/06/2024] [Accepted: 05/11/2024] [Indexed: 05/25/2024] Open
Abstract
Chimerism-based strategies represent a pioneering concept which has led to groundbreaking advancements in regenerative medicine and transplantation. This new approach offers therapeutic potential for the treatment of various diseases, including inherited disorders. The ongoing studies on chimeric cells prompted the development of Dystrophin-Expressing Chimeric (DEC) cells which were introduced as a potential therapy for Duchenne Muscular Dystrophy (DMD). DMD is a genetic condition that leads to premature death in adolescent boys and remains incurable with current methods. DEC therapy, created via the fusion of human myoblasts derived from normal and DMD-affected donors, has proven to be safe and efficacious when tested in experimental models of DMD after systemic-intraosseous administration. These studies confirmed increased dystrophin expression, which correlated with functional and morphological improvements in DMD-affected muscles, including cardiac, respiratory, and skeletal muscles. Furthermore, the application of DEC therapy in a clinical study confirmed its long-term safety and efficacy in DMD patients. This review summarizes the development of chimeric cell technology tested in preclinical models and clinical studies, highlighting the potential of DEC therapy in muscle regeneration and repair, and introduces chimeric cell-based therapies as a promising, novel approach for muscle regeneration and the treatment of DMD and other neuromuscular disorders.
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Affiliation(s)
- Katarzyna Budzynska
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA; (K.B.); (K.S.); (L.C.); (K.S.)
| | - Maria Siemionow
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA; (K.B.); (K.S.); (L.C.); (K.S.)
- Chair and Department of Traumatology, Orthopaedics, and Surgery of the Hand, Poznan University of Medical Sciences, 61-545 Poznan, Poland
| | - Katarzyna Stawarz
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA; (K.B.); (K.S.); (L.C.); (K.S.)
| | - Lucile Chambily
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA; (K.B.); (K.S.); (L.C.); (K.S.)
| | - Krzysztof Siemionow
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA; (K.B.); (K.S.); (L.C.); (K.S.)
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Chen Y, Liu C, Fang Y, Chen W, Qiu J, Zhu M, Wei W, Tu J. Developing CAR-immune cell therapy against SARS-CoV-2: Current status, challenges and prospects. Biochem Pharmacol 2024; 222:116066. [PMID: 38373592 DOI: 10.1016/j.bcp.2024.116066] [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: 01/12/2024] [Accepted: 02/16/2024] [Indexed: 02/21/2024]
Abstract
Chimeric antigen receptor (CAR)-immune cell therapy has revolutionized the anti-tumor field, achieving efficient and precise tumor clearance by directly guiding immune cell activity to target tumors. In addition, the use of CAR-immune cells to influence the composition and function of the immune system and ultimately achieve virus clearance and immune system homeostasis has attracted the interest of researchers. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) triggered a global pandemic of coronavirus disease 2019 (COVID-19). To date, the rapidly mutating SARS-CoV-2 continues to challenge existing therapies and has raised public concerns regarding reinfection. In patients with COVID-19, the interaction of SARS-CoV-2 with the immune system influences the course of the disease, and the coexistence of over-activated immune system components, such as macrophages, and severely compromised immune system components, such as natural killer cells, reveals a dysregulated immune system. Dysregulated immune-induced inflammation may impair viral clearance and T-cell responses, causing cytokine storms and ultimately leading to patient death. Here, we summarize the research progress on the use of CAR-immune cells against SARS-CoV-2 infection. Furthermore, we discuss the feasibility, challenges and prospect of CAR-immune cells as a new immune candidate therapy against SARS-CoV-2.
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Affiliation(s)
- Yizhao Chen
- Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China
| | - Chong Liu
- Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China
| | - Yilong Fang
- Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China
| | - Weile Chen
- Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China
| | - Jiaqi Qiu
- Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China
| | - Mengjuan Zhu
- Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China
| | - Wei Wei
- Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China.
| | - Jiajie Tu
- Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China.
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Cai X, Li Y, Gao F, Muhammad B, Yang H. Therapeutic effect and study of human umbilical cord blood mononuclear cells in patients with ischaemic bowel disease. Sci Rep 2024; 14:6121. [PMID: 38480861 PMCID: PMC10937724 DOI: 10.1038/s41598-024-56720-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 03/10/2024] [Indexed: 03/17/2024] Open
Abstract
Ischaemic bowel disease (ICBD) is a group of intestinal ischaemia syndromes caused by various aetiologies of reduced intestinal blood flow or vascular occlusion. ICBD can present as abdominal pain, bloody stool, and diarrhoea. This disease often occurs in middle-aged and elderly individuals with cardiovascular and cerebrovascular diseases. The incidence of ischaemic bowel disease has been increasing for decades, and it is difficult to diagnose, resulting in rapid disease progression and a high mortality rate. Therefore, fully understanding this disease, improving the diagnosis rate of this disease, and finding appropriate treatment methods are urgently needed to improve the condition and prognosis of patients. Umbilical cord blood stem cells are accessible, have weak immunogenicity, and have various biological functions, such as angiogenesis, inflammation and immune regulation. Many studies have confirmed that cord blood stem cells can relieve ischaemia, and these cells have attracted tremendous amounts of attention in regenerative medicine in recent years. In this paper, we discuss the clinical characteristics of ICBD, analyse the characteristics of human umbilical cord blood mononuclear cells (HUCB-MNCs), and use its to treat ischaemic bowel disease. Additionally, we compare the clinical manifestations and related indicators before and after treatment to evaluate the efficacy and safety of these methods.
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Affiliation(s)
- Xiaoxiao Cai
- Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, No. 238 Jingshi East Road, Jinan, Shandong, China
- Graduate Department of Shandong First Medical University & Shandong Academy of Medical Sciences, No. 6699 Qingdao Road, Jinan, Shandong, China
| | - Yonghao Li
- Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, No. 238 Jingshi East Road, Jinan, Shandong, China
- Graduate Department of Shandong First Medical University & Shandong Academy of Medical Sciences, No. 6699 Qingdao Road, Jinan, Shandong, China
| | - Fengyu Gao
- Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, No. 238 Jingshi East Road, Jinan, Shandong, China
| | - Bilal Muhammad
- Graduate Department of Shandong First Medical University & Shandong Academy of Medical Sciences, No. 6699 Qingdao Road, Jinan, Shandong, China
- Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, No. 16766 Jingshi Road, Jinan, Shandong, China
| | - Hongli Yang
- Department of Gastroenterology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, No. 16766 Jingshi Road, Jinan, Shandong, China.
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Laue J, Ambühl J, Surbek D. Hybrid umbilical cord blood banking: literature review. Arch Gynecol Obstet 2024; 309:93-104. [PMID: 37093267 PMCID: PMC10124678 DOI: 10.1007/s00404-023-07003-x] [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: 01/24/2023] [Accepted: 03/03/2023] [Indexed: 04/25/2023]
Abstract
PURPOSE Interest gaps between public and private umbilical cord blood banks have led to the introduction of hybrid banking options. Hybrid models combine features of private and public banks as well as interests of parents, children and of patients, in order to find an optimized solution. While several different models of hybrid banks exist, there is a lack of literature about this novel model of cord blood stem cell banking. Therefore, the aim of this literature review is to assess different options of umbilical cord blood banking and whether hybrid banking could be a valuable alternative to the existing public and private cord blood banking models. METHODS We performed a systematic literature search, using five main databases. Five hybrid models regarding their advantages as well as their challenges are discussed in this review. RESULTS We found that a wealth of literature exists about public cord blood banking, while private and hybrid banking are understudied. Different modalities of hybrid cord blood banking are being described in several publications, providing the basis to assess different advantages and disadvantages as well as practicability. CONCLUSION Hybrid banks, especially the sequential model, seem to have potential as an alternative to the existing banking models worldwide. A previously conducted survey among pregnant women showed a preference for hybrid banking, if such an option was available. Nevertheless, opinions among stakeholders differ and more research is needed to evaluate, if hybrid banking provides the expected benefits.
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Affiliation(s)
- Jessica Laue
- Department of Obstetrics and Gynecology, University Hospital of Bern, University of Bern, Friedbühlstrasse 19, 3010, Bern, Switzerland.
| | - Johanna Ambühl
- Department of Obstetrics and Gynecology, University Hospital of Bern, University of Bern, Friedbühlstrasse 19, 3010, Bern, Switzerland
| | - Daniel Surbek
- Department of Obstetrics and Gynecology, University Hospital of Bern, University of Bern, Friedbühlstrasse 19, 3010, Bern, Switzerland
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Chen Z, Hu Y, Mei H. Advances in CAR-Engineered Immune Cell Generation: Engineering Approaches and Sourcing Strategies. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303215. [PMID: 37906032 PMCID: PMC10724421 DOI: 10.1002/advs.202303215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/03/2023] [Indexed: 11/02/2023]
Abstract
Chimeric antigen receptor T-cell (CAR-T) therapy has emerged as a highly efficacious treatment modality for refractory and relapsed hematopoietic malignancies in recent years. Furthermore, CAR technologies for cancer immunotherapy have expanded from CAR-T to CAR-natural killer cell (CAR-NK), CAR-cytokine-induced killer cell (CAR-CIK), and CAR-macrophage (CAR-MΦ) therapy. Nevertheless, the high cost and complex manufacturing processes of ex vivo generation of autologous CAR products have hampered broader application. There is an urgent need to develop an efficient and economical paradigm shift for exploring new sourcing strategies and engineering approaches toward generating CAR-engineered immune cells to benefit cancer patients. Currently, researchers are actively investigating various strategies to optimize the preparation and sourcing of these potent immunotherapeutic agents. In this work, the latest research progress is summarized. Perspectives on the future of CAR-engineered immune cell manufacturing are provided, and the engineering approaches, and diverse sources used for their development are focused upon.
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Affiliation(s)
- Zhaozhao Chen
- Institute of HematologyUnion HospitalTongji Medical CollegeHuazhong University of Science and Technology1277 Jiefang AvenueWuhanHubei430022China
- Hubei Clinical Medical Center of Cell Therapy for Neoplastic DiseaseWuhan430022China
| | - Yu Hu
- Institute of HematologyUnion HospitalTongji Medical CollegeHuazhong University of Science and Technology1277 Jiefang AvenueWuhanHubei430022China
- Hubei Clinical Medical Center of Cell Therapy for Neoplastic DiseaseWuhan430022China
| | - Heng Mei
- Institute of HematologyUnion HospitalTongji Medical CollegeHuazhong University of Science and Technology1277 Jiefang AvenueWuhanHubei430022China
- Hubei Clinical Medical Center of Cell Therapy for Neoplastic DiseaseWuhan430022China
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Salafutdinov II, Gatina DZ, Markelova MI, Garanina EE, Malanin SY, Gazizov IM, Izmailov AA, Rizvanov AA, Islamov RR, Palotás A, Safiullov ZZ. A Biosafety Study of Human Umbilical Cord Blood Mononuclear Cells Transduced with Adenoviral Vector Carrying Human Vascular Endothelial Growth Factor cDNA In Vitro. Biomedicines 2023; 11:2020. [PMID: 37509661 PMCID: PMC10377014 DOI: 10.3390/biomedicines11072020] [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: 06/28/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
The biosafety of gene therapy remains a crucial issue for both the direct and cell-mediated delivery of recombinant cDNA encoding biologically active molecules for the pathogenetic correction of congenital or acquired disorders. The diversity of vector systems and cell carriers for the delivery of therapeutic genes revealed the difficulty of developing and implementing a safe and effective drug containing artificial genetic material for the treatment of human diseases in practical medicine. Therefore, in this study we assessed changes in the transcriptome and secretome of umbilical cord blood mononuclear cells (UCB-MCs) genetically modified using adenoviral vector (Ad5) carrying cDNA encoding human vascular endothelial growth factor (VEGF165) or reporter green fluorescent protein (GFP). A preliminary analysis of UCB-MCs transduced with Ad5-VEGF165 and Ad5-GFP with MOI of 10 showed efficient transgene expression in gene-modified UCB-MCs at mRNA and protein levels. The whole transcriptome sequencing of native UCB-MCs, UCB-MC+Ad5-VEGF165, and UCB-MC+Ad5-GFP demonstrated individual sample variability rather than the effect of Ad5 or the expression of recombinant vegf165 on UCB-MC transcriptomes. A multiplex secretome analysis indicated that neither the transduction of UCB-MCs with Ad5-GFP nor with Ad5-VEGF165 affects the secretion of the studied cytokines, chemokines, and growth factors by gene-modified cells. Here, we show that UCB-MCs transduced with Ad5 carrying cDNA encoding human VEGF165 efficiently express transgenes and preserve transcriptome and secretome patterns. This data demonstrates the biosafety of using UCB-MCs as cell carriers of therapeutic genes.
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Affiliation(s)
- Ilnur I Salafutdinov
- Department of Histology, Cytology and Embryology, Kazan State Medical University, Kazan 420012, Russia
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia
| | - Dilara Z Gatina
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia
| | - Maria I Markelova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia
| | - Ekaterina E Garanina
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia
| | - Sergey Yu Malanin
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia
| | - Ilnaz M Gazizov
- Department of Histology, Cytology and Embryology, Kazan State Medical University, Kazan 420012, Russia
| | - Andrei A Izmailov
- Department of Histology, Cytology and Embryology, Kazan State Medical University, Kazan 420012, Russia
| | - Albert A Rizvanov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia
| | - Rustem R Islamov
- Department of Histology, Cytology and Embryology, Kazan State Medical University, Kazan 420012, Russia
| | - András Palotás
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia
- Asklepios-Med (Private Medical Practice and Research Center), H-6722 Szeged, Hungary
- Tokaj-Hegyalja University, H-3910 Tokaj, Hungary
| | - Zufar Z Safiullov
- Department of Histology, Cytology and Embryology, Kazan State Medical University, Kazan 420012, Russia
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Greppi M, Obino V, Goda R, Rebaudi F, Carlomagno S, Della Chiesa M, Sivori S, Ubezio G, Agostini V, Bo A, Pesce S, Marcenaro E. Identification of a novel cord blood NK cell subpopulation expressing functional programmed death receptor-1. Front Immunol 2023; 14:1183215. [PMID: 37441071 PMCID: PMC10335745 DOI: 10.3389/fimmu.2023.1183215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 06/06/2023] [Indexed: 07/15/2023] Open
Abstract
Background Natural Killer cells (NKs) represent the innate counterpart of TCRαβ lymphocytes and are characterized by a high anti-tumor and an anti-viral cytotoxic activity. Recently, it has been demonstrated that NKs can express PD-1 as an additional inhibitory receptor. Specifically, PD-1 was identified on a subpopulation of terminally differentiated NKs from healthy adults with previous HCMV infection. So far it is unknown whether PD-1 appears during NK-cell development and whether this process is directly or indirectly related to HCMV infection. Methods In this study, we analyzed the expression and function of PD-1 on Cord Blood derived NKs (CB-NKs) on a large cohort of newborns through multiparametric cytofluorimetric analysis. Results We identified PD-1 on CB-NKs in more than of half the newborns analyzed. PD-1 was present on CD56dim NKs, and particularly abundant on CD56neg NKs, but only rarely present on CD56bright NKs. Importantly, unlike in adult healthy donors, in CB-NKs PD-1 is co-expressed not only with KIR, but also with NKG2A. PD-1 expression was independent of HCMV mother seropositivity and occurs in the absence of HCMV infection/reactivation during pregnancy. Notably, PD-1 expressed on CB-NKs was functional and mediated negative signals when triggered. Conclusion To our understanding, this study is the first to report PD-1 expression on CB derived NKs and its features in perinatal conditions. These data may prove important in selecting the most suitable CB derived NK cell population for the development of different immunotherapeutic treatments.
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Affiliation(s)
- Marco Greppi
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Valentina Obino
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Rayan Goda
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Federico Rebaudi
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Simona Carlomagno
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
- Department of Medicine (DAME), University of Udine, Udine, Italy
| | | | - Simona Sivori
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | | | | | - Alessandra Bo
- IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Silvia Pesce
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Emanuela Marcenaro
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genova, Italy
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Cervellera CF, Mazziotta C, Di Mauro G, Iaquinta MR, Mazzoni E, Torreggiani E, Tognon M, Martini F, Rotondo JC. Immortalized erythroid cells as a novel frontier for in vitro blood production: current approaches and potential clinical application. Stem Cell Res Ther 2023; 14:139. [PMID: 37226267 PMCID: PMC10210309 DOI: 10.1186/s13287-023-03367-8] [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: 01/17/2023] [Accepted: 05/05/2023] [Indexed: 05/26/2023] Open
Abstract
BACKGROUND Blood transfusions represent common medical procedures, which provide essential supportive therapy. However, these procedures are notoriously expensive for healthcare services and not without risk. The potential threat of transfusion-related complications, such as the development of pathogenic infections and the occurring of alloimmunization events, alongside the donor's dependence, strongly limits the availability of transfusion units and represents significant concerns in transfusion medicine. Moreover, a further increase in the demand for donated blood and blood transfusion, combined with a reduction in blood donors, is expected as a consequence of the decrease in birth rates and increase in life expectancy in industrialized countries. MAIN BODY An emerging and alternative strategy preferred over blood transfusion is the in vitro production of blood cells from immortalized erythroid cells. The high survival capacity alongside the stable and longest proliferation time of immortalized erythroid cells could allow the generation of a large number of cells over time, which are able to differentiate into blood cells. However, a large-scale, cost-effective production of blood cells is not yet a routine clinical procedure, as being dependent on the optimization of culture conditions of immortalized erythroid cells. CONCLUSION In our review, we provide an overview of the most recent erythroid cell immortalization approaches, while also describing and discussing related advancements of establishing immortalized erythroid cell lines.
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Affiliation(s)
- Christian Felice Cervellera
- Department of Medical Sciences, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy
| | - Chiara Mazziotta
- Department of Medical Sciences, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy
- Department of Medical Sciences, Center for Studies on Gender Medicine, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy
| | - Giulia Di Mauro
- Department of Medical Sciences, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy
| | - Maria Rosa Iaquinta
- Department of Medical Sciences, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy
- Department of Medical Sciences, Center for Studies on Gender Medicine, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy
| | - Elisa Mazzoni
- Department of Chemical, Pharmaceutical and Agricultural Sciences-DOCPAS, University of Ferrara, 44121, Ferrara, Italy
| | - Elena Torreggiani
- Department of Chemical, Pharmaceutical and Agricultural Sciences-DOCPAS, University of Ferrara, 44121, Ferrara, Italy
| | - Mauro Tognon
- Department of Medical Sciences, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy
| | - Fernanda Martini
- Department of Medical Sciences, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy.
- Department of Medical Sciences, Center for Studies on Gender Medicine, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy.
- Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121, Ferrara, Italy.
| | - John Charles Rotondo
- Department of Medical Sciences, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy.
- Department of Medical Sciences, Center for Studies on Gender Medicine, University of Ferrara, 64/b, Fossato di Mortara Street, 44121, Ferrara, Italy.
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Zhang J, Steven ZD, Liao K. Therapeutic effect of umbilical cord blood cells on spinal cord injury. IBRAIN 2023; 9:195-204. [PMID: 37786552 PMCID: PMC10529013 DOI: 10.1002/ibra.12101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 04/06/2023] [Accepted: 04/12/2023] [Indexed: 10/04/2023]
Abstract
Spinal cord injury (SCI) is a nervous system disease characterized by sensory and motor dysfunction, axonal apoptosis, decreased vascular density, and inflammation. At present, surgical treatment, drug treatment, and cell therapy can be used. Surgical treatment can improve motor and independent function scores, and drug treatment can promote the recovery of neurons in the spinal cord, but only improve symptoms. Complete recovery of SCI has not yet been achieved. However, the differentiation of stem cells brings hope for the treatment of SCI. Umbilical cord blood cells (UCBs) are ethically readily available and can repair neuronal damage. However, it is still unclear how they can improve symptoms and repair nerve severity. In this paper, the role of UCBs in the treatment of SCI is described in detail from different aspects such as behavior, morphology, and molecular expression changes, so as to provide new ideas and theoretical directions for future research.
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Affiliation(s)
- Jun‐Yan Zhang
- Department of AnesthesiologySouthwest Medical UniversityLuzhouChina
| | - Z. Du Steven
- Department of Integrative BiologyUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Ke‐Hua Liao
- The Sixth People's Hospital of ChengduChengduChina
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Zuo M, Shang Y, Guo Y, Sun Y, Xu G, Chen J, Zhu L. Population Pharmacokinetics of Tacrolimus in Pediatric Patients With Umbilical Cord Blood Transplant. J Clin Pharmacol 2023; 63:298-306. [PMID: 36196568 DOI: 10.1002/jcph.2162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 09/27/2022] [Indexed: 11/11/2022]
Abstract
Tacrolimus was frequently used in pediatric patients with umbilical cord blood transplant for the prevention of graft-versus-host disease. The aim of the present study was to evaluate the population pharmacokinetics of tacrolimus among pediatric patients with umbilical cord blood transplant and find potential influenced factors. A total of 275 concentrations from 13 pediatric patients were used to build a polulation pharmacokinetic model using a nonlinear mixed-effects modeling approach. The impact of demographic features, biological characteristics, and concomitant medications, including sex, age, body weight, postoperative day, white blood cell count, red blood cell count, hemoglobin, platelets, hematocrit, blood urea nitrogen, creatinine, aspartate transaminase, alanine transaminase, total bilirubin, albumin, and total protein were investigated. The pharmacokinetics of tacrolimus were best described by a 1-compartment model with first- and zero-order mixed absorption and first-order elimination. The clearance and volume of distribution of tacrolimus were 1.93 L/h and 75.1 L, respectively. A covariate analysis identified that postoperative day and co-administration with trimethoprim-sulfamethoxazole were significant covariates influencing clearance of tacrolimus. Frequent blood monitoring and dose adjustment might be needed with the prolongation of postoperative day and coadministration with trimethoprim-sulfamethoxazole.
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Affiliation(s)
- Meiling Zuo
- Pharmaceutical College, Tianjin Medical University, Tianjin, China
| | - Yue Shang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Ye Guo
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Yuxuan Sun
- Pharmaceutical College, Tianjin Medical University, Tianjin, China
| | - Gaoqi Xu
- The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang, China
| | - Jingtao Chen
- School of Statistics and Data Science, Nankai University, Tianjin, China
| | - Liqin Zhu
- Pharmaceutical College, Tianjin Medical University, Tianjin, China.,Department of Pharmacy, Tianjin First Central Hospital, Tianjin, China
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Smutova V, Pará C, Foret MK, Bennamoune N, Hung S, Spickler C, Riffon R, Rowe J, Festin S, Authier S. Non-Clinical Cell Therapy Development Using the NCG Mouse Model as a Test System. Int J Toxicol 2023; 42:232-253. [PMID: 36630195 DOI: 10.1177/10915818221150790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The NCG triple immunodeficient mice on a NOD/Nju background lack functional/mature T, B, and NK cells, and have reduced macrophage and dendritic cell function. This study characterized the NCG mouse model for toxicity, engraftment and tumorigenicity assessments of cell therapies, using CD34+ hHSPC adult mobilized cells with two myeloablation regimens.Mice received sub-lethal irradiation or busulfan and were then injected intravenously with CD34+ hHSPCs (1.0 x 106 cells/mouse) or PBS (control), while positive control animals received 2 x 106 HL-60 cells/mouse. hCD34+ cell donors were treated with the mobilizing agent G-CSF prior to leukapheresis. Following injections, mouse blood samples were collected to assess engraftment rates by flow cytometry with body weights recorded periodically up to 20 weeks post-cell injection. No significant clinical signs or body weight changes were observed. At week 10 post-cell injection, the peripheral blood chimerism of hCD45+ cells was above 20%. While mCD45+ concentration was constant between week 10 and 17 in whole blood samples, hCD45+ concentration and chimerism slightly decreased at week 17. However, chimerism remained above 10%, with busulfan-treated mice presenting higher values. Chimerism was further assessed by quantifying human Alu sequences in blood and multiple organs using qPCR. Alu sequences were most abundant in the spleen and bone marrow, while lowest in the testes. In the positive control group, expected mortalities due to tumorigenesis were observed between days 27 and 40 post-cell injection. Overall, study results may be used to inform study design and potential toxicological endpoints relevant to non-clinical cell therapy development.
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Affiliation(s)
| | - Camila Pará
- Charles River Laboratories, Laval, QC, Canada
| | | | | | - Selly Hung
- Charles River Laboratories, Laval, QC, Canada
| | | | | | - Jenny Rowe
- Charles River Laboratories, Wilmington, MA, USA
| | | | - Simon Authier
- Charles River Laboratories, Laval, QC, Canada.,Faculty of Veterinary Medicine, University of Montreal, Laval, QC, Canada
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12
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Cord Blood Plasma and Placental Mesenchymal Stem Cells-Derived Exosomes Increase Ex Vivo Expansion of Human Cord Blood Hematopoietic Stem Cells While Maintaining Their Stemness. Cells 2023; 12:cells12020250. [PMID: 36672185 PMCID: PMC9857343 DOI: 10.3390/cells12020250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/23/2022] [Accepted: 01/03/2023] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) have been used for ex vivo expansion of umbilical cord blood (UCB) hematopoietic stem cells (HSCs) to maintain their primitive characters and long-term reconstitution abilities during transplantation. Therapeutic effects of MSCs mainly rely on paracrine mechanisms, including secretion of exosomes (Exos). The objective of this study was to examine the effect of cord blood plasma (CBP)-derived Exos (CBP Exos) and Placental MSCs-derived Exos (MSCs Exos) on the expansion of UCB HSCs to increase their numbers and keep their primitive characteristics. METHODS CD34+ cells were isolated from UCB, cultured for 10 days, and the expanded HSCs were sub-cultured in semisolid methylcellulose media for primitive colony forming units (CFUs) assay. MSCs were cultured from placental chorionic plates. RESULTS CBP Exos and MSCs Exos compared with the control group significantly increased the number of total nucleated cells (TNCs), invitro expansion of CD34+ cells, primitive subpopulations of CD34+38+ and CD34+38-Lin- cells (p < 0.001). The expanded cells showed a significantly higher number of total CFUs in the Exos groups (p < 0.01). CONCLUSION CBP- and placental-derived exosomes are associated with significant ex vivo expansion of UCB HSCs, while maintaining their primitive characters and may eliminate the need for transplantation of an additional unit of UCB.
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13
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Gudauskaitė G, Kairienė I, Ivaškienė T, Rascon J, Mobasheri A. Therapeutic Perspectives for the Clinical Application of Umbilical Cord Hematopoietic and Mesenchymal Stem Cells: Overcoming Complications Arising After Allogeneic Hematopoietic Stem Cell Transplantation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1409:111-126. [PMID: 35995905 DOI: 10.1007/5584_2022_726] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
This review focuses on the therapeutic features of umbilical cord blood (UCB) cells as a source for allogeneic hematopoietic stem cell transplantation (aHSCT) in adult and child populations to treat malignant and nonmalignant hematologic diseases, genetic disorders, or pathologies of the immune system, when standard treatment (e.g., chemotherapy) is not effective or clinically contraindicated. In this article, we summarize the immunological properties and the advantages and disadvantages of using UCB stem cells and discuss a variety of treatment outcomes using different sources of stem cells from different donors both in adults and pediatric population. We also highlight the critical properties (total nucleated cell dose depending on HLA compatibility) of UCB cells that reach better survival rates, reveal the advantages of double versus single cord blood unit transplantation, and present recommendations from the most recent studies. Moreover, we summarize the mechanism of action and potential benefit of mesenchymal umbilical cord cells and indicate the most common posttransplantation complications.
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Affiliation(s)
- Greta Gudauskaitė
- State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania
| | - Ignė Kairienė
- Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Tatjana Ivaškienė
- State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania
| | - Jelena Rascon
- Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Ali Mobasheri
- State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania.
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland.
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
- World Health Organization Collaborating Centre for Public Health Aspects of Musculoskeletal Health and Aging, Université de Liège, Liège, Belgium.
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14
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Hou X, Wang YL, Shi W, Hu W, Zeng Z, Liu J, Li L, Cai W, Tang D, Dai Y. Multiplexed analysis of gene expression and chromatin accessibility of human umbilical cord blood using scRNA-Seq and scATAC-Seq. Mol Immunol 2022; 152:207-214. [DOI: 10.1016/j.molimm.2022.10.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/21/2022] [Accepted: 10/25/2022] [Indexed: 11/13/2022]
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15
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Chakrabarty JH, Glover J, Schmidt S, Phan M, Bycko M, Duong Q, Vesely SK, O’Neal C, Robertson C, Davis C, Kratochvil K, Yuen C, Khawandanah M, Selby G, Jassim R, Williams KM. Incidence and risk factors for graft failure in the modern era of cord blood transplantation. Vox Sang 2022; 117:1405-1410. [PMID: 36250288 PMCID: PMC9772075 DOI: 10.1111/vox.13368] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 08/02/2022] [Accepted: 09/27/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND AND OBJECTIVES Graft failure (GF) after cord blood transplant (CBT) has decreased with improved supportive care and cord selection strategies. We aimed to evaluate cord blood selection and factors associated with retransplantation on the incidence of GF, determine risk factors for GF including host antibodies to Kell antigen and evaluate survival after GF. MATERIALS AND METHODS We retrospectively reviewed 84 patients who underwent CBT at the University of Oklahoma between 2000 and 2016 and compared outcomes in patients with/without engraftment by Day 28. The nonengraftment cohort was further divided into patients who underwent retransplantation. Kaplan-Meier curves with log-rank tests were calculated to assess the association between mortality and engraftment. RESULTS Engraftment following CBT was high at 81%, with 52% engrafting by Day 28 and an additional 29% engrafting by a median of 36 days. Retransplantation led to 88% engraftment at a median of 53 days. Overall, 75% of the 40 patients who did not engraft by Day 28 died. Female sex and total nucleated cell count < 3.5/kg were significantly associated with lack of engraftment and higher mortality. Antibodies to Kell fetal antigen were not identified. Retransplantation by Day 28 for primary GF conferred a survival advantage. CONCLUSION This study demonstrates that failure to engraft by 28 days was associated with increased mortality, and risk was mitigated with early retransplantation. Female sex and low total cell dose were associated with increased mortality. Early identification of GF coupled with early retransplantation can reduce mortality in CBT.
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Affiliation(s)
| | - Joshua Glover
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Sara Schmidt
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Minh Phan
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Michele Bycko
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Quyen Duong
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Sara K. Vesely
- Hudson College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Caroline O’Neal
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Chelsie Robertson
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Christina Davis
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Kristen Kratochvil
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Carrie Yuen
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Mohamad Khawandanah
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - George Selby
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Rami Jassim
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK
| | - Kirsten M. Williams
- Aflac Cancer and Blood Disorders, Children’s Healthcare of Atlanta, Emory University, Atlanta GA
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16
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Chen Y, Huang J, Guo Z, Zhu Z, Shao Y, Li L, Yang Y, Yu Y, Liu L, Sun B. Primitive genotypic characteristics in umbilical cord neutrophils identified by single-cell transcriptome profiling and functional prediction. Front Immunol 2022; 13:970909. [PMID: 36105817 PMCID: PMC9464600 DOI: 10.3389/fimmu.2022.970909] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 07/15/2022] [Indexed: 11/17/2022] Open
Abstract
The function and heterogeneity of neutrophils in neonatal umbilical cord blood (UCB) have not been characterized. In this study, we analyzed the neutrophils in UCB and healthy adults using single-cell RNA sequencing analysis for the first time. We found that neutrophils divided into six subpopulations (G2, G3, G4, G5a, G5b, and G5c) with different marker genes and different functions under homeostasis. Compared with healthy adults, neutrophils of UCB were more naïve and have more obvious degranulation and activation functions. Moreover, we found significant differences in the amount and function of G5b cells between healthy adults and UCB. The amount of G5b group in UCB was lower, but it has more degranulation, secretion and activation functions. In addition, we noted a new subset of G5c labeled by CD52, which almost did not exist in UCB. Besides, its differential genes were enriched in terms such as protein synthesis and mRNA transcription. Furthermore, uncharacteristic transcription factors ZNF-276, ZNF-319 and ZNF-354A were identified in our study. In summary, we first examined the heterogeneity and functional diversity of neutrophils in UCB, and these data provided new insights into the mechanism of neutrophil-mediated diseases of neonates and the wider use of neutrophils in UCB.
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Affiliation(s)
- Yi Chen
- Department of Burns and Plastic Surgery, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
- Department of Burns and Plastic Surgery, Affiliated Huaian No.1 People’s Hospital, Nanjing Medical University, Huai’an, China
| | - Jiamin Huang
- Department of Burns and Plastic Surgery, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Zaiwen Guo
- Department of Burns and Plastic Surgery, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Zhechen Zhu
- Department of Burns and Plastic Surgery, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Yiming Shao
- Department of Burns and Plastic Surgery, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Linbin Li
- Department of Burns and Plastic Surgery, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Yunxi Yang
- Department of Burns and Plastic Surgery, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Yanzhen Yu
- Department of Burns and Plastic Surgery, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Lu Liu
- Department of Burns and Plastic Surgery, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Bingwei Sun
- Department of Burns and Plastic Surgery, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
- *Correspondence: Bingwei Sun,
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17
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Que TN, Khanh NB, Tung PD, Hang PTL, Van Anh NT, Thang ND. Frequency and distribution of HLA-DQB1 alleles from 2076 cord blood samples of the Vietnamese cohort. Int J Immunogenet 2022; 49:340-344. [PMID: 35916345 DOI: 10.1111/iji.12592] [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: 07/14/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 11/28/2022]
Abstract
Human leucocyte antigen (HLA) alleles are very diverse and characterized by ethnicity. To date, information about the frequencies and distributions of HLA alleles among the Vietnamese population is still limited. In this study, HLA-DQB1 alleles of 2076 cord blood units from individuals belonging to Vietnam's Kinh ethnic people were genotyped using Luminex-based polymerase chain reaction sequence-specific oligonucleotide. The results of the study demonstrated that there were 23 alleles on the locus HLA-DQB1. Among those, there were six alleles with high frequencies of over 5%, including DQB1* 03:01 (35.9%), DQB1* 05:01 (12.8%), DQB1* 03:03 (12.2%); DQB1* 06:01 (7.20%), DQB1* 05:02 (6.62%) and DQB1* 02:01 (5.30%) and five rare alleles with low frequencies of below 0.1%. More importantly, this study for the first time reported the presence of two new rare alleles including DQB1* 01:01 and DQB1* 01:02. Conclusively, this study provided significant information about HLA-DQB1 alleles for further investigations and clinical applications.
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Affiliation(s)
- Tran Ngoc Que
- Stem Cell Bank, National Institute of Hematology and Blood Transfusion, Hanoi, Vietnam.,Department of Hematology, Hanoi Medical University, Hanoi, Vietnam
| | - Nguyen Ba Khanh
- Stem Cell Bank, National Institute of Hematology and Blood Transfusion, Hanoi, Vietnam.,Department of Hematology, Hanoi Medical University, Hanoi, Vietnam
| | - Pham Dinh Tung
- Department of Probability and Statistics, Faculty of Mathematics-Mechanics-Informatics, VNU University of Science, Vietnam National University, Hanoi, Vietnam
| | - Pham Thi Luong Hang
- Faculty of Biology, VNU University of Science, Vietnam National University-Hanoi, Hanoi, Vietnam
| | - Nguyen Thi Van Anh
- Key Laboratory of Enzyme and Protein Technology, VNU University of Science, Vietnam National University-Hanoi, Hanoi, Vietnam
| | - Nguyen Dinh Thang
- Faculty of Biology, VNU University of Science, Vietnam National University-Hanoi, Hanoi, Vietnam
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18
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Que TN, Khanh NB, Khanh BQ, Van Son C, Van Anh NT, Anh TTT, Tung PD, Thang ND. Allele and Haplotype Frequencies of HLA-A, -B, -C, and -DRB1 Genes in 3,750 Cord Blood Units From a Kinh Vietnamese Population. Front Immunol 2022; 13:875283. [PMID: 35844516 PMCID: PMC9277059 DOI: 10.3389/fimmu.2022.875283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
The frequencies and diversities of human leukocyte antigen (HLA) alleles and haplotypes are representative of ethnicities. Matching HLA alleles is essential for many clinical applications, including blood transfusion, stem cell transplantation, and tissue/organ transplantation. To date, the information about the frequencies and distributions of HLA alleles and haplotypes among the Kinh Vietnamese population is limited because of the small sample size. In this study, more than 3,750 cord blood units from individuals belonging to the Kinh Vietnamese population were genotyped using PCR sequence-specific oligonucleotide (PCR-SSO) for HLA testing. The results of the study demonstrated that the most frequently occurring HLA-A, -B, -C, and -DRB1 alleles were A*11:01 (25%), A*24:02 (12.3%), A*02:01 (11.2); A*03:03 (8.95%), A*02:03 (7.81%), A*29:01 (7.03%); B*15:02 (15.1%), B*46:01 (10.7%), B*58:01 (7.65%), B*38:02 (7.29%); C*08:01 (17.2), C*07:02 (16.2%), C*01:02 (15.2), C*03:02 (8.3%), C*15:05 (6.13); DRB1*12:02 (31.0%), DRB1*09:01 (10.47%), DRB1*15:02 (7.54%); DRB1*07:01 (6.68%), DRB1*10:01 (6.63%), respectively, with the highest allele diversity level observed in locus B (93 alleles). The most frequent haplotypes of two-locus combinations of HLA-A–B, HLA-A–C, HLA-A–DRB1, HLA-B–C, HLA-B–DRB1, and HLA-C–DRB1 haplotypes were A*11:01–B*15:02 (7.63%), A*11:01–C*08:01 (7.98%), A*11:01–DRB1*12:02 (10.56%), B*15:02–C*08:01 (14.0%), B*15:02–DRB1*12:02 (10.47%), and C*08:01–DRB1*12:02 (11.38%), respectively. In addition, the most frequent haplotypes of three- and four-locus sets of HLA-A–B–C, HLA-A–B–DRB1, HLA-A–C–DRB1, HLA-B–C–DRB1, and HLA-A–B–C–DRB1 were A*11:01–B*15:02–C*08:01 (7.57%), A*11:01–B*15:02–DRB1*12:02 (5.39%), A*11:01–C*08:01–DRB1*12:02 (5.54%), B*15:02–C*08:01–DRB1*12:02 (10.21%), and A*11:01–B*15:02–C*08:01–DRB1*12:02 (5.45%), respectively. This study provides critical information on the frequencies and distributions of HLA alleles and haplotypes in the Kinh Vietnamese population, accounting for more than 85% of Vietnamese citizens. It paves the way to establish an umbilical cord blood bank for cord blood transplantation programs in Vietnam.
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Affiliation(s)
- Tran Ngoc Que
- Stem Cell Bank, National Institute of Hematology and Blood Transfusion, Pham Van Bach, Cau Giay, Hanoi, Vietnam
- Department of Hematology, Hanoi Medical University, 1 Ton That Tung, Dong Da, Hanoi, Vietnam
| | - Nguyen Ba Khanh
- Stem Cell Bank, National Institute of Hematology and Blood Transfusion, Pham Van Bach, Cau Giay, Hanoi, Vietnam
- Department of Hematology, Hanoi Medical University, 1 Ton That Tung, Dong Da, Hanoi, Vietnam
| | - Bach Quoc Khanh
- Stem Cell Bank, National Institute of Hematology and Blood Transfusion, Pham Van Bach, Cau Giay, Hanoi, Vietnam
- Department of Hematology, Hanoi Medical University, 1 Ton That Tung, Dong Da, Hanoi, Vietnam
| | - Chu Van Son
- Key Laboratory of Enzyme and Protein Technology, VNU University of Science, Vietnam National University-Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
| | - Nguyen Thi Van Anh
- Key Laboratory of Enzyme and Protein Technology, VNU University of Science, Vietnam National University-Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
| | - Tran Thi Thuy Anh
- Faculty of Biology, VNU University of Science, Vietnam National University-Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
| | - Pham Dinh Tung
- Department of Probability and Statistics, Faculty of Mathematics–Mechanics–Informatics, VNU University of Science, Vietnam National University, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
| | - Nguyen Dinh Thang
- Faculty of Biology, VNU University of Science, Vietnam National University-Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam
- *Correspondence: Nguyen Dinh Thang,
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Zhang J, Zhang S, Yang Y, Liu L. Transplantation of umbilical cord blood-derived mesenchymal stem cells as therapy for adriamycin induced-cardiomyopathy. Bioengineered 2022; 13:9564-9574. [PMID: 35387551 PMCID: PMC9161987 DOI: 10.1080/21655979.2022.2061145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Umbilical cord blood-derived mesenchymal stem cells (UCBMSCs) have been reported to possess cardioprotective effects in diseases. However, its effects on cardiomyopathy remain unclear. This study aimed to the therapeutic effects of UCBMSC transplantation on adriamycin (ADR)-induced cardiomyopathy. UCBMSCs isolated from human UCB were identified by detecting surface markers (CD29, CD90, CD34, and CD45) using flow cytometry. The effect of UCBMSCs on left ventricular end-diastolic dimension (LVEDD), left ventricular systolic end-diastolic diameter (LVESD), left ventricular ejection fraction (LVEF), and left ventricular fraction shortening (LVFS) were determined by echocardiography. Histological changes were observed by HE and Masson staining. The serum levels of collagen-I (Col-I), brain natriuretic peptide (BNP), aspartate aminotransferase (AST), lactate dehydrogenase (LDH), creatine kinase (CK), CK-MB, interleukin (IL)-6, IL-10, and tumor necrosis factor alpha (TNF-α) were measured by corresponding kits. The protein levels of IL-6, IL-10, and TNF-α were measured by Western blotting. The isolated UCBMSCs manifested the positive expression of CD29 and CD90, and the negative expression of CD34 and CD45. UCBMSC transplantation significantly reduced LVEDD and LVESD, and increased LVEF and LVFS in ADR-induced cardiomyopathy model rats. Cardiac injury and high collagen deposition in model rats were alleviated by UCBMSC treatment. Moreover, UCBMSCs decreased the serum levels of Col-I, BNP, AST, LDH, CK, CK-MB, IL-6, IL-10, and TNF-α in model rats. Overall, UCBMSCs exert the therapeutic effects on ADR-induced cardiomyopathy through recovering the myocadiac function and alleviating the inflammatory response.
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Affiliation(s)
- Jingyue Zhang
- Department of Hematologic Oncology, Dalian Municipal Women and Children's Medical Center, Dalian, Liaoning, China
| | - Shiheng Zhang
- Department of Hematologic Oncology, Dalian Municipal Women and Children's Medical Center, Dalian, Liaoning, China
| | - Yueming Yang
- Department of Hematologic Oncology, Dalian Municipal Women and Children's Medical Center, Dalian, Liaoning, China
| | - Ling Liu
- Department of Hematologic Oncology, Dalian Municipal Women and Children's Medical Center, Dalian, Liaoning, China
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20
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[Research progress on in vitro expansion and clinical application of hematopoietic stem cell]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2022; 43:167-172. [PMID: 35381684 PMCID: PMC8980649 DOI: 10.3760/cma.j.issn.0253-2727.2022.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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21
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Kun Ma, Yuan X, Zhang Y, Ni Q, Guo J. Umbilical Cord Blood Mononuclear Cells Promote Microglial Survival by Modulating Autophagy after Bacterial Infection. BIOL BULL+ 2022. [DOI: 10.1134/s1062359022130106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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22
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Gotti E, Tettamanti S, Zaninelli S, Cuofano C, Cattaneo I, Rotiroti MC, Cribioli S, Alzani R, Rambaldi A, Introna M, Golay J. Optimization of therapeutic T cell expansion in G-Rex device and applicability to large-scale production for clinical use. Cytotherapy 2022; 24:334-343. [DOI: 10.1016/j.jcyt.2021.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 11/02/2021] [Accepted: 11/02/2021] [Indexed: 02/02/2023]
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23
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Koval H, Lutsenko O, Bondarovych M, Ostankov M, Goltsev A. The Role of Cord Blood in the Regulation of the Cellular and Humoral Link of Immunity in Experimental Atopic Dermatitis. INNOVATIVE BIOSYSTEMS AND BIOENGINEERING 2021. [DOI: 10.20535/ibb.2021.5.3.238976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Background. Atopic dermatitis (AD) as one of the most common diseases of autoimmune genesis in the structure of dermatological practice, is characterized by itching, dryness, thickening of the skin, characteristic rashes. The drugs of choice in the treatment of AD are steroidal anti-inflammatory drugs. However, the development of unwanted side effects is a serious problem attributed to using hormone therapy. The search for effective methods of treating AD is an urgent task of medicine and in particular dermatology. At the same time, there is an obvious need for the participation in the solution of this problem also of specialists-immunologists working in the field of application of cell therapy drugs, acting on various pathogenetic links of the disease. The development of new or optimization of existing methods of treating AD is the urgent task facing them.
Objective. Evaluation of the immunocorrective effect of lyophilized (lHCBL) and cryopreserved human cord blood leucoconcetrate (cHCBL) on a AD model.
Methods. The experiments were carried out on 6-month-old Wistar rats. Upon induction of AD, the inflammation focus was formed on the rat's back (9–10 cm2) by daily rubbing in a 5% alcohol-acetone solution of dinitrochlorobenzene (DNCB) for 21 days. cHCBL and lHCBL were injected intraperitoneally, 0.5 ml at a dose of 5´106 cells in one day after the final DNCB treatment. The adhesive and phagocytic activity of the cells of the peritoneal cavity, the level of circulating immune complexes, the population and subpopulation of lymphocytes (CD3+, CD4+, CD8+, CD16+, CD4+CD25+), the immunoregulatory index of lymphocytes, the concentration of immunoglobulins in the blood serum were determined.
Results. For AD induced by DNCB, systemic changes in the immune status are characteristic, which is expressed by changes in the parameters of cellular and humoral immunity. The most fundamental changes in cell subpopulations in spleen of rats with AD were revealed: a decrease in the number of total T-lymphocytes and their two main subpopulations (CD4+ and CD8+ cells). Against this background, changes were noted in the monocytic-phagocytic and humoral systems of immunity. The paper shows the effectiveness of the use of cHCBL and lHCBL in the correction of pathological manifestations of experimental AD. On the background of treatment, the features of the immunocorrective effect of each of the drugs were noted. Thus, when assessing intergroup values, a more pronounced increase in T-reg was revealed in rats of the 5th group – 3.9 [3.8; 4.0] versus 3.2 [3.0; 3.3] in the 4th group (P < 0.01); IgA level – 1.6 [1.5; 1.7] versus 1.3 [1.2; 1.4] (P < 0.01).
Conclusions. Thus, lHCBL exhibits immunocorrective activity in the treatment of experimental AD, surpassing in some parameters the activity of сHCBL, which is promising for its use in clinical practice.
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Enhanced self-renewal of human long-term hematopoietic stem cells by a sulfamoyl benzoate derivative targeting p18INK4C. Blood Adv 2021; 5:3362-3372. [PMID: 34477819 DOI: 10.1182/bloodadvances.2020004054] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 05/11/2021] [Indexed: 12/29/2022] Open
Abstract
The use of umbilical cord blood transplant has been substantially limited by the finite number of hematopoietic stem and progenitor cells in a single umbilical cord blood unit. Small molecules that not only quantitatively but also qualitatively stimulate enhancement of hematopoietic stem cell (HSC) self-renewal ex vivo should facilitate the clinical use of HSC transplantation and gene therapy. Recent evidence has suggested that the cyclin-dependent kinase inhibitor, p18INK4C (p18), is a critical regulator of mice HSC self-renewal. The role of p18 in human HSCs and the effect of p18 inhibitor on human HSC expansion ex vivo need further studies. Here we report that knockdown of p18 allowed for an increase in long-term colony-forming cells in vitro. We then identified an optimized small molecule inhibitor of p18, 005A, to induce ex vivo expansion of HSCs that was capable of reconstituting human hematopoiesis for at least 4 months in immunocompromised mice, and hence, similarly reconstituted secondary recipients for at least 4 more months, indicating that cells exposed to 005A were still competent in secondary recipients. Mechanistic studies showed that 005A might delay cell division and activate both the Notch signaling pathway and expression of transcription factor HoxB4, leading to enhancement of the self-renewal of long-term engrafting HSCs and the pool of progenitor cells. Taken together, these observations support a role for p18 in human HSC maintenance and that the p18 inhibitor 005A can enhance the self-renewal of long-term HSCs.
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Abu Almaaty AH, Elmasry RA, Farrag MS, Althobaiti F, Aldhahrani A, Fayad E, Hussain MA. Impact of Human Umbilical Cord Blood Mononuclear Cells on Gentamicin-Induced Renal Injury and Genotoxicity in Rats. Front Med (Lausanne) 2021; 8:689691. [PMID: 34490290 PMCID: PMC8417307 DOI: 10.3389/fmed.2021.689691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 07/05/2021] [Indexed: 11/21/2022] Open
Abstract
Background: Acute kidney injury (AKI), also known as acute renal failure (ARF), has received considerable critical attention in recent years. Gentamicin (GM) is an antibiotic whose prolonged use results in AKI with a high mortality rate. Methods: Fifty adult female albino rats weighing 150–200 g were used. The animals were divided into five groups: the first group was the normal healthy control one, the second group received only 1 × 106 HUCB mononuclear cells (MNCs)/rat by intravenous (iv) injection, the third diseased group was given GM 100 mg/kg for 10 consecutive days by intraperitoneal injections, the fourth preventive group received 1 × 106 HUCB MNCs/rat by iv injection 24 h before gentamicin treatment, and the fifth treated group received 1 × 106 HUCB MNCs/rat by iv injection 24 h after gentamicin treatment. After 1 week of treatment, blood samples were collected, and kidneys were removed for histopathological examination. Results: Rats treated with HUCB MNCs in the treated group had a significant decrease in renal damage, low levels of biomarkers for nephrotoxicities such as serum creatinine and blood urea nitrogen, and low chromosomal aberrations compared to the diseased third group. The gene expression of KIM-1 and NGAL was decreased in response to HUCB treatment. Conclusions: HUCB MNCs have a curative effect against AKI and gentamicin-induced genotoxicity owing to their regenerative property.
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Affiliation(s)
- Ali H Abu Almaaty
- Department of Zoology, Faculty of Science, Port Said University, Port Said, Egypt
| | - Reham A Elmasry
- Department of Zoology, Faculty of Science, Port Said University, Port Said, Egypt
| | - Mayada S Farrag
- Department of Pathology, Faculty of Medicine, Port Said University, Port Said, Egypt
| | - Fayez Althobaiti
- Department of Biotechnology, Faculty of Sciences, Taif University, Taif, Saudi Arabia
| | - Adil Aldhahrani
- Clinical Laboratory Sciences Department, Turabah University Faculty, Taif University, Taif, Saudi Arabia
| | - Eman Fayad
- Department of Biotechnology, Faculty of Sciences, Taif University, Taif, Saudi Arabia
| | - Mona A Hussain
- Department of Physiology, Faculty of Medicine, Port Said University, Port Said, Egypt
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Richard SA, Sackey M. Elucidating the Pivotal Neuroimmunomodulation of Stem Cells in Spinal Cord Injury Repair. Stem Cells Int 2021; 2021:9230866. [PMID: 34341666 PMCID: PMC8325586 DOI: 10.1155/2021/9230866] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 07/03/2021] [Accepted: 07/17/2021] [Indexed: 12/11/2022] Open
Abstract
Spinal cord injury (SCI) is a distressing incident with abrupt onset of the motor as well as sensory dysfunction, and most often, the injury occurs as result of high-energy or velocity accidents as well as contact sports and falls in the elderly. The key challenges associated with nerve repair are the lack of self-repair as well as neurotrophic factors and primary and secondary neuronal apoptosis, as well as factors that prevent the regeneration of axons locally. Neurons that survive the initial traumatic damage may be lost due to pathogenic activities like neuroinflammation and apoptosis. Implanted stem cells are capable of differentiating into neural cells that replace injured cells as well as offer local neurotrophic factors that aid neuroprotection, immunomodulation, axonal sprouting, axonal regeneration, and remyelination. At the microenvironment of SCI, stem cells are capable of producing growth factors like brain-derived neurotrophic factor and nerve growth factor which triggers neuronal survival as well as axonal regrowth. Although stem cells have proven to be of therapeutic value in SCI, the major disadvantage of some of the cell types is the risk for tumorigenicity due to the contamination of undifferentiated cells prior to transplantation. Local administration of stem cells via either direct cellular injection into the spinal cord parenchyma or intrathecal administration into the subarachnoid space is currently the best transplantation modality for stem cells during SCI.
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Affiliation(s)
- Seidu A. Richard
- Department of Medicine, Princefield University, P.O. Box MA128, Ho, Ghana
| | - Marian Sackey
- Department of Pharmacy, Ho Teaching Hospital, P.O. Box MA-374, Ho, Ghana
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Scaradavou A. Cord blood beyond transplantation: can we use the experience to advance all cell therapies? Br J Haematol 2021; 194:14-27. [PMID: 33529385 DOI: 10.1111/bjh.17297] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 12/01/2020] [Indexed: 12/15/2022]
Abstract
Unrelated cord blood (CB) units, already manufactured, fully tested and stored, are high-quality products for haematopoietic stem cell transplantation and cell therapies, as well as an optimal starting material for cell expansion, cell engineering or cell re-programming technologies. CB banks have been pioneers in the development and implementation of Current Good Manufacturing Practices for cell-therapy products. Sharing their technological and regulatory experience will help advance all cell therapies, CB-derived or not, particularly as they transition from autologous, individually manufactured products to stored, 'off-the shelf' treatments. Such strategies will allow broader patient access and wide product utilisation.
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Affiliation(s)
- Andromachi Scaradavou
- Stem Cell Transplantation and Cellular Therapies, Memorial Sloan Kettering (MSK) Kids, MSK Cancer Center, New York, NY, USA
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28
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Lee SE, Lee SJ, Kim SE, Kim K, Cho B, Roh K, Kim SC. Intravenous allogeneic umbilical cord blood-derived mesenchymal stem cell therapy in recessive dystrophic epidermolysis bullosa patients. JCI Insight 2021; 6:143606. [PMID: 33491668 PMCID: PMC7934866 DOI: 10.1172/jci.insight.143606] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 12/09/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Recessive dystrophic epidermolysis bullosa (RDEB) is an incurable disease that causes severe mucocutaneous fragility due to mutations in COL7A1 (encoding type VII collagen [C7]). In this phase I/IIa trial, we evaluated the safety and possible clinical efficacy of intravenous infusion of allogeneic human umbilical cord blood–derived mesenchymal stem cells (hUCB-MSCs) in patients with RDEB. METHODS Four adult and two pediatric patients with RDEB were treated with 3 intravenous injections of hUCB-MSCs (1 × 106 to 3 × 106 cells/kg) every 2 weeks and followed up for 8–24 months after treatment. The primary endpoint was safety. Secondary endpoints related to efficacy included clinical parameters, such as disease severity score, wound assessment, itch and pain score, and quality of life. C7 expression levels and inflammatory infiltrates in the skin, as well as serum levels of inflammatory markers and neuropeptides, were also assessed. RESULTS Intravenous hUCB-MSC infusions were well tolerated, without serious adverse events. Improvements in the Birmingham Epidermolysis Bullosa Severity Score, body surface area involvement, blister counts, pain, pruritus, and quality of life were observed with maximal effects at 56–112 days after treatment. hUCB-MSC administration induced M2 macrophage polarization and reduced mast cell infiltration in RDEB skin. Serum levels of substance P were decreased after therapy. Increased C7 expression was observed at the dermoepidermal junction in 1 of 6 patients at day 56. CONCLUSION To the best of our knowledge, this is the first clinical trial of systemic administration of allogeneic hUCB-MSCs in patients with RDEB, demonstrating safety and transient clinical benefits. TRIAL REGISTRATION ClinicalTrials.gov NCT04520022. FUNDING This work was supported by Daewoong Pharmaceutical Co. Ltd. and Kangstem Biotech Co. Ltd.
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Affiliation(s)
- Sang Eun Lee
- Department of Dermatology and Cutaneous Biology Research Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Seung-Ju Lee
- Department of Dermatology and Cutaneous Biology Research Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Song-Ee Kim
- Department of Dermatology and Cutaneous Biology Research Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Kinam Kim
- Cellular Therapeutics Team, Daewoong Pharmaceutical Co. Ltd., Seoul, South Korea
| | - Boyoung Cho
- Cellular Therapeutics Team, Daewoong Pharmaceutical Co. Ltd., Seoul, South Korea
| | - Kyounghwan Roh
- Department of Clinical Development, Kangstem Biotech Co. Ltd., Seoul, South Korea
| | - Soo-Chan Kim
- Department of Dermatology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, South Korea
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Ferdjallah A, Young JAH, MacMillan ML. A Review of Infections After Hematopoietic Cell Transplantation Requiring PICU Care: Transplant Timeline Is Key. Front Pediatr 2021; 9:634449. [PMID: 34386464 PMCID: PMC8353083 DOI: 10.3389/fped.2021.634449] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 07/01/2021] [Indexed: 12/16/2022] Open
Abstract
Despite major advances in antimicrobial prophylaxis and therapy, opportunistic infections remain a major cause of morbidity and mortality after pediatric hematopoietic cell transplant (HCT). Risk factors associated with the development of opportunistic infections include the patient's underlying disease, previous infection history, co-morbidities, source of the donor graft, preparative therapy prior to the graft infusion, immunosuppressive agents, early and late toxicities after transplant, and graft-vs.-host disease (GVHD). Additionally, the risk for and type of infection changes throughout the HCT course and is greatly influenced by the degree and duration of immunosuppression of the HCT recipient. Hematopoietic cell transplant recipients are at high risk for rapid clinical decompensation from infections. The pediatric intensivist must remain abreast of the status of the timeline from HCT to understand the risk for different infections. This review will serve to highlight the infection risks over the year-long course of the HCT process and to provide key clinical considerations for the pediatric intensivist by presenting a series of hypothetical HCT cases.
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Affiliation(s)
- Asmaa Ferdjallah
- Department of Pediatrics, Division of Blood and Marrow Transplantation and Cellular Therapy, University of Minnesota, Minneapolis, MN, United States
| | - Jo-Anne H Young
- Department of Medicine, Division of Infectious Disease and International Medicine, Program in Transplant Infectious Disease, University of Minnesota, Minneapolis, MN, United States
| | - Margaret L MacMillan
- Department of Pediatrics, Division of Blood and Marrow Transplantation and Cellular Therapy, University of Minnesota, Minneapolis, MN, United States
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30
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Qiu H, Qian T, Wu T, Wang X, Zhu C, Chen C, Wang L. Umbilical cord blood cells for the treatment of preterm white matter injury: Potential effects and treatment options. J Neurosci Res 2020; 99:778-792. [PMID: 33207392 DOI: 10.1002/jnr.24751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/31/2022]
Abstract
Preterm birth is a global public health problem. A large number of preterm infants survive with preterm white matter injury (PWMI), which leads to neurological deficits, and has multifaceted etiology, clinical course, monitoring, and outcomes. The principal upstream insults leading to PWMI initiation are hypoxia-ischemia and infection and/or inflammation and the key target cells are late oligodendrocyte precursor cells. Current PWMI treatments are mainly supportive, and thus have little effect in terms of protecting the immature brain or repairing injury to improve long-term outcomes. Umbilical cord blood (UCB) cells comprise abundant immunomodulatory and stem cells, which have the potential to reduce brain injury, mainly due to anti-inflammatory and immunomodulatory mechanisms, and also through their release of neurotrophic or growth factors to promote endogenous neurogenesis. In this review, we briefly summarize PWMI pathogenesis and pathophysiology, and the specific properties of different cell types in UCB. We further explore the potential mechanism by which UCB can be used to treat PWMI, and discuss the advantages of and potential issues related to UCB cell therapy. Finally, we suggest potential future studies of UCB cell therapy in preterm infants.
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Affiliation(s)
- Han Qiu
- Key Laboratory of Neonatal Diseases of Health Commission of the People's Republic of China, Shanghai, China.,Department of Neonatology, National Children's Medical Center/Children's Hospital of Fudan University, Shanghai, China
| | - Tianyang Qian
- Key Laboratory of Neonatal Diseases of Health Commission of the People's Republic of China, Shanghai, China.,Department of Neonatology, National Children's Medical Center/Children's Hospital of Fudan University, Shanghai, China
| | - Tong Wu
- Key Laboratory of Neonatal Diseases of Health Commission of the People's Republic of China, Shanghai, China.,Department of Neonatology, National Children's Medical Center/Children's Hospital of Fudan University, Shanghai, China
| | - Xiaoyang Wang
- Center of Perinatal Medicine and Health, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Henan Key Laboratory of Child Brain Injury, Institute of Neuroscience and Third Affiliated Hospital, Zhengzhou University, Zhengzhou, China
| | - Changlian Zhu
- Center of Perinatal Medicine and Health, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Henan Key Laboratory of Child Brain Injury, Institute of Neuroscience and Third Affiliated Hospital, Zhengzhou University, Zhengzhou, China
| | - Chao Chen
- Key Laboratory of Neonatal Diseases of Health Commission of the People's Republic of China, Shanghai, China.,Department of Neonatology, National Children's Medical Center/Children's Hospital of Fudan University, Shanghai, China
| | - Laishuan Wang
- Key Laboratory of Neonatal Diseases of Health Commission of the People's Republic of China, Shanghai, China.,Department of Neonatology, National Children's Medical Center/Children's Hospital of Fudan University, Shanghai, China
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31
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Wu R, Ma L. Haploidentical Hematopoietic Stem Cell Transplantation Versus Umbilical Cord Blood Transplantation in Hematologic Malignancies: A Systematic Review and Meta-Analysis. Cell Transplant 2020; 29:963689720964771. [PMID: 33040595 PMCID: PMC7784570 DOI: 10.1177/0963689720964771] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Haploidentical hematopoietic stem cell transplantation (Haplo-SCT) and umbilical cord blood transplantation (UCBT) are two important alternatives when a matched sibling donor is unavailable. Several studies have reported inconsistent clinical outcomes comparing Haplo-SCT and UCBT. Therefore, it is necessary to synthesize the existing evidence regarding outcomes of stem cell transplantations comparing Haplo-SCT with UCBT. We searched article titles that compared transplantation with Haplo-SCT and UCBT in MEDLINE (PubMed), Cochrane library, and EMBASE database. To compare clinical outcomes between Haplo-SCT and UCBT, we performed a meta-analysis of 12 studies and reported the pooled odds ratios (ORs) of 6 end points including overall survival (OS), progression-free survival (PFS), nonrelapse mortality (NRM), relapse rate (RR), acute graft-versus-host disease (aGVHD), and chronic graft-versus-host disease (cGVHD). We found that Haplo-SCT was associated with a significantly superior OS (pooled OR of 0.74, 95% confidence interval [CI] 0.68 to 0.80) and PFS (0.77, 95% CI 0.72 to 0.83), as well as a lower NRM (0.72, 95% CI 0.64 to 0.80) and aGVHD (0.87, 95% CI 0.77 to 0.98) compared to the UCBT group. We also found a significantly increased risk of cGVHD in Haplo-SCT group (1.40, 95% CI 1.22 to 1.62). In terms of RR, Haplo-SCT was comparable to UCBT (0.91, 95% CI 0.79 to 1.05). Results of this meta-analysis demonstrate that Haplo-SCT results in better clinical outcomes compared to UCBT in terms of OS, PFS, TRM, and aGVHD, but is inferior to UCBT in terms of increased cGVHD risk. Further prospective comparisons between Haplo-SCT and UCBT are needed.
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Affiliation(s)
- Ran Wu
- Department of Hematology, Xinhua Hospital, 91603Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Liyuan Ma
- Department of Hematology, 91603Shanghai Ninth People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
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Ding Y, Gao S, Shen J, Bai T, Yang M, Xu S, Gao Y, Zhang Z, Li L. TNFSF15 facilitates human umbilical cord blood haematopoietic stem cell expansion by activating Notch signal pathway. J Cell Mol Med 2020; 24:11146-11157. [PMID: 32910534 PMCID: PMC7576288 DOI: 10.1111/jcmm.15626] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 06/09/2020] [Accepted: 06/12/2020] [Indexed: 12/24/2022] Open
Abstract
The lack of efficient ex vivo expansion methods restricts clinical use of haematopoietic stem cells (HSC) for the treatment of haematological malignancies and degenerative diseases. Umbilical cord blood (UCB) serves as an alternative haematopoietic stem cell source. However, currently what limits the use of UCB‐derived HSC is the very low numbers of haematopoietic stem and progenitor cells available for transplantation in a single umbilical cord blood unit. Here, we report that TNFSF15, a member of the tumour necrosis factor superfamily, promotes the expansion of human umbilical cord blood (UCB)‐derived HSC. TNFSF15‐treated UCB‐HSC is capable of bone marrow engraftment as demonstrated with NOD/SCID or NOD/Shi‐SCID/IL2Rgnull (NOG) mice in both primary and secondary transplantation. The frequency of repopulating cells occurring in the injected tibiae is markedly higher than that in vehicle‐treated group. Additionally, signal proteins of the Notch pathway are highly up‐regulated in TNFSF15‐treated UCB‐HSC. These findings indicate that TNFSF15 is useful for in vitro expansion of UCB‐HSC for clinical applications. Furthermore, TNFSF15 may be a hopeful selection for further UCB‐HSC application or study.
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Affiliation(s)
- Yahui Ding
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Shan Gao
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Jian Shen
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Tairan Bai
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Ming Yang
- Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Shiqi Xu
- Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Yingdai Gao
- Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Zhisong Zhang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Luyuan Li
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
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Role of Nrf2 in Lipopolysaccharide-Induced Acute Kidney Injury: Protection by Human Umbilical Cord Blood Mononuclear Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6123459. [PMID: 32774680 PMCID: PMC7407026 DOI: 10.1155/2020/6123459] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 04/24/2020] [Accepted: 06/05/2020] [Indexed: 12/21/2022]
Abstract
Background Acute kidney injury (AKI) is one of the common complications of sepsis. Heretofore, there is no effective treatment for septic AKI. Recent studies have revealed that besides treating hematological malignancies, human umbilical cord blood mononuclear cells (hUCBMNCs) show good therapeutic effects on other diseases. But whether hUCBMNCs can protect against septic AKI and its underlying mechanism are unknown. Methods The rat model of lipopolysaccharide- (LPS-) induced AKI was developed, and the injection of hUCBMNCs was executed to prevent and treat AKI. ML385, a specific nuclear factor E2-related factor 2 (Nrf2) inhibitor, was used to silence Nrf2. The cell experiments were conducted to elaborate the protective mechanism of Nrf2 pathway. Results An effective model of LPS-induced AKI was established. Compared to the rats only with LPS injection, the levels of inflammation, reactive oxygen species (ROS), and apoptosis in renal tissues after hUCBMNC injection were markedly attenuated. Pathological examination also indicated significant remission of renal tissue injury in the LPS+MNCs group, compared to rats in the LPS group. Transmission electron microscopy (TEM) showed that the damage of the mitochondria in the LPS+MNCs group was lighter than that in the LPS group. Noteworthily, the renal Nrf2/HO-1 pathway was activated and autophagy was enhanced after hUCBMNC injection. ML385 could partly reverse the renoprotective effect of hUCBMNCs, which could demonstrate that Nrf2 participated in the protection of hUCBMNCs. Cell experiments showed that increasing the expression level of Nrf2 could alleviate LPS-induced cell injury by increasing the autophagy level and decreasing the injury of the mitochondria in HK-2 cells. Conclusion All results suggest that hUCBMNCs can protect against LPS-induced AKI via the Nrf2 pathway. Activating Nrf2 can upregulate autophagy to protect LPS-induced cell injury.
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Migration Inhibitory Factor in Conditioned Medium from Human Umbilical Cord Blood-Derived Mesenchymal Stromal Cells Stimulates Hair Growth. Cells 2020; 9:cells9061344. [PMID: 32481584 PMCID: PMC7349163 DOI: 10.3390/cells9061344] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/26/2020] [Accepted: 05/27/2020] [Indexed: 12/26/2022] Open
Abstract
Conventional therapeutic applications of mesenchymal stromal cells (MSCs) focus on cell replacement and differentiation; however, increasing evidence suggests that most of their therapeutic effects are carried out by their various secretions. This study investigated the application of conditioned medium (CM) from human umbilical cord blood-derived MSCs (hUCB-MSCs) to improve hair growth and developed a method to reliably produce this optimized CM. Primed MSC-derived CM (P-CM) with combinations of TGF-β1 and LiCl was optimized by comparing its effects on the cell viability of dermal papilla cells (DPCs). P-CM significantly increased the viability of DPCs compared to CM. The secretion of vascular endothelial growth factor (VEGF) in DPCs was regulated by the macrophage migration inhibitory factor (MIF) in the P-CM secreted by MSCs. These findings suggest that P-CM can improve the efficacy in hair growth via a paracrine mechanism and that MIF in P-CM exerts hair growth-promoting effects via a VEGF-related β-catenin and p-GSK-3β [SER9] signaling pathway. Furthermore, clinical trials have shown that 5% P-CM improved androgenetic alopecia through producing an increased hair density, thickness, and growth rate, suggesting that this topical agent may be a novel and effective treatment option for patients with androgenetic alopecia.
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35
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Huang S, Tang Z, Wang Y, Chen D, Li J, Zhou C, Lu X, Yuan Y. Comparative profiling of exosomal miRNAs in human adult peripheral and umbilical cord blood plasma by deep sequencing. Epigenomics 2020; 12:825-842. [DOI: 10.2217/epi-2019-0213] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Aim: To assess differential expression profiles of miRNAs in exosomes derived from human peripheral blood (PB) and umbilical cord blood (UCB). Materials & methods: Small RNA sequencing was performed to characterize the miRNA expression in plasma exosomes processed from UCB of five healthy newborns and PB of five normal adult volunteers, and differentially expressed miRNAs were further analyzed. Results: A total of 65 exosomal miRNAs, including 46 upregulated and 19 downregulated, showed differential expression between UCB and PB. Target genes of these miRNAs were mainly enriched in signaling pathways associated with pregnancy, cancers, cell mobility and nervous system. Conclusion: Exosomal miRNAs may have essential roles in the biological functions of UCB, suggesting the therapeutic and biomarker potentials of exosomes in UCB.
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Affiliation(s)
- Sirui Huang
- School of Life Science & Biopharmacology, Guangdong Pharmaceutical University, Number 280 Outer Ring East Road, Higher Education Mega Center, Guangzhou, Guangdong 510006,PR China
| | - Zhenlin Tang
- School of Life Science & Biopharmacology, Guangdong Pharmaceutical University, Number 280 Outer Ring East Road, Higher Education Mega Center, Guangzhou, Guangdong 510006,PR China
| | - Yuheng Wang
- School of Life Science & Biopharmacology, Guangdong Pharmaceutical University, Number 280 Outer Ring East Road, Higher Education Mega Center, Guangzhou, Guangdong 510006,PR China
| | - Danliang Chen
- Department of Gynecology and Obstetrics, the First Affiliated Hospital of Jinan University, Number 613 Huangpu Avenue, Guangzhou, Guangdong 510630, PR China
| | - Jinhua Li
- School of Life Science & Biopharmacology, Guangdong Pharmaceutical University, Number 280 Outer Ring East Road, Higher Education Mega Center, Guangzhou, Guangdong 510006,PR China
| | - Chang Zhou
- School of Life Science & Biopharmacology, Guangdong Pharmaceutical University, Number 280 Outer Ring East Road, Higher Education Mega Center, Guangzhou, Guangdong 510006,PR China
| | - Xin Lu
- School of Life Science, South China Normal University, Number 55 Zhongshan Avenue, Guangzhou, Guangdong 510631, PR China
| | - Yin Yuan
- School of Life Science & Biopharmacology, Guangdong Pharmaceutical University, Number 280 Outer Ring East Road, Higher Education Mega Center, Guangzhou, Guangdong 510006,PR China
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Poonsombudlert K, Kewcharoen J, Prueksapraopong C, Limpruttidham N. Post transplant cyclophosphamide based haplo-identical transplant versus umbilical cord blood transplant; a meta-analysis. Jpn J Clin Oncol 2020; 49:924-931. [PMID: 31265729 DOI: 10.1093/jjco/hyz099] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 06/06/2019] [Accepted: 06/12/2019] [Indexed: 01/06/2023] Open
Abstract
OBJECTIVES Both haplo-identical transplant (haplo) and umbilical cord transplant (UC) are valuable graft options for patients without available matched relative. Previous studies showed inconsistent outcomes comparing Post transplant Cyclophosphamide based haplo (PTCy-haplo) and UC; therefore, we attempt to compare the studies by mean of meta-analysis. METHODS We searched for titles of articles in MEDLINE (PubMed), Cochrane library, EMBASE database and Google scholar that compared transplantation with PTCy-haplo versus UC. We conducted a random-effect meta-analysis of seven studies involving a total of 3434 participants and reported the pooled odd ratios (OR) of acute graft-versus-host disease (aGVHD), chronic graft-versus-host disease (cGVHD), relapse and overall survival (OS) between PTCy-haplo and UC groups. RESULTS We found a significantly decreased risk of aGVHD and relapse in the PTCy-haplo group compared to the UC group with a pooled OR of 0.78, 95% Confidence Interval (CI) 0.67-0.92, I2=0%, and 0.74, 95% CI 0.57-0.97, I2=23.9% respectively. We also found a significantly increased rate of cGVHD and OS with a pooled OR of 1.41, 95% CI 1.02-1.95, I2=56.8%, and 1.77, 95% CI 1.1-2.87, I2=82.5%, respectively. CONCLUSION Our meta-analysis of clinical trials demonstrated superior outcome from PTCy-haplo group compared to the UC group in terms of decreased rate of aGVHD and relapse as well as the increased rate of OS but inferior in terms of increased cGVHD risk compared to UC transplant.
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Affiliation(s)
| | - Jakrin Kewcharoen
- University of Hawaii, internal Medicine Residency Program, Honolulu, HI, USA
| | | | - Nath Limpruttidham
- University of Hawaii, internal Medicine Residency Program, Honolulu, HI, USA
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37
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Li XW, Feng LX, Zhu XJ, Liu Q, Wang HS, Wu X, Yan P, Duan XJ, Xiao YQ, Cheng W, Peng JC, Zhao F, Deng YH, Duan SB. Human umbilical cord blood mononuclear cells protect against renal tubulointerstitial fibrosis in cisplatin-treated rats. Biomed Pharmacother 2019; 121:109662. [PMID: 31810124 DOI: 10.1016/j.biopha.2019.109662] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 07/28/2019] [Accepted: 07/31/2019] [Indexed: 01/18/2023] Open
Abstract
Currently, there is no effective method to prevent renal interstitial fibrosis after acute kidney injury (AKI). In this study, we established and screened a new renal interstitial fibrosis rat model after cisplatin-induced AKI. Our results indicated that rats injected with 4 mg/kg cisplatin once a week for two weeks after firstly administrated with 6.5 mg/kg loading dose of cisplatin could set up a more accurate model reflecting AKI progression to renal interstitial fibrosis. Then, we investigated the effects and possible mechanisms of human umbilical cord blood mononuclear cells (hUCBMNCs) on renal tubular interstitial fibrosis after cisplatin-induced AKI. In rats injected with hUCBMNCs for four times, level of matrix metalloproteinase 7 (MMP-7) in serum and urine, urinary albumin/creatinine ratio, tubular pathological scores, the relative collagen area of the tubulointerstitial region, endoplasmic reticulum dilation and the mitochondrial ultrastructural damage were significantly improved. The level of reactive oxygen species, α-smooth muscle actin (α-SMA), [NOD]-like pyrin domain containing protein 3 and cleaved-Caspase 3 in renal tissue decreased significantly. However, in rats injected with hUCBMNCs for two times, no significant difference was discovered in MMP-7 levels and urinary albumin/creatinine ratio. Although expression of α-SMA and the percentage areas of collagen staining in tubulointerstitial tissues were ameliorated in rats injected with hUCBMNCs for two times, the effects were significantly weaker than those in rats injected with hUCBMNCs for four times. Taken together, our study constructed a highly efficient, duplicable novel rat model of renal fibrosis after cisplatin-induced AKI. Multiple injections of hUCBMNCs may prevent renal interstitial fibrosis after cisplatin-induced AKI.
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Affiliation(s)
- Xu-Wei Li
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Li-Xin Feng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Xue-Jing Zhu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Qian Liu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Hong-Shen Wang
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Xi Wu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Ping Yan
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Xiang-Jie Duan
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Ye-Qing Xiao
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Wei Cheng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Jin-Cheng Peng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Fei Zhao
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Ying-Hao Deng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China
| | - Shao-Bin Duan
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan 410011, China.
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38
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Li XW, Feng LX, Zhu XJ, Liu Q, Wang HS, Wu X, Yan P, Duan XJ, Xiao YQ, Cheng W, Peng JC, Zhao F, Deng YH, Duan SB. Human umbilical cord blood mononuclear cells protect against renal tubulointerstitial fibrosis in cisplatin-treated rats. Biomed Pharmacother 2019; 121:109310. [PMID: 31710895 DOI: 10.1016/j.biopha.2019.109310] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 07/28/2019] [Accepted: 07/31/2019] [Indexed: 01/18/2023] Open
Abstract
Currently, there is no effective method to prevent renal interstitial fibrosis after acute kidney injury (AKI). In this study, we established and screened a new renal interstitial fibrosis rat model after cisplatin-induced AKI. Our results indicated that rats injected with 4 mg/kg cisplatin once a week for two weeks after firstly administrated with 6.5 mg/kg loading dose of cisplatin could set up a more accurate model reflecting AKI progression to renal interstitial fibrosis. Then, we investigated the effects and possible mechanisms of human umbilical cord blood mononuclear cells (hUCBMNCs) on renal tubular interstitial fibrosis after cisplatin-induced AKI. In rats injected with hUCBMNCs for four times, level of matrix metalloproteinase 7(MMP-7)in serum and urine, urinary albumin/creatinine ratio, tubular pathological scores, the relative collagen area of the tubulointerstitial region, endoplasmic reticulum dilation and the mitochondrial ultrastructural damage were significantly improved. The level of reactive oxygen species, α-smooth muscle actin (α-SMA), [NOD]-like pyrin domain containing protein 3 and cleaved-Caspase 3 in renal tissue decreased significantly. However, in rats injected with hUCBMNCs for two times, no significant difference was discovered in MMP-7 levels and urinary albumin/creatinine ratio. Although expression of α-SMA and the percentage areas of collagen staining in tubulointerstitial tissues were ameliorated in rats injected with hUCBMNCs for two times, the effects were significantly weaker than those in rats injected with hUCBMNCs for four times. Taken together, our study constructed a highly efficient, duplicable novel rat model of renal fibrosis after cisplatin-induced AKI. Multiple injections of hUCBMNCs may prevent renal interstitial fibrosis after cisplatin-induced AKI.
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Affiliation(s)
- Xu-Wei Li
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Li-Xin Feng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Xue-Jing Zhu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Qian Liu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Hong-Shen Wang
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Xi Wu
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Ping Yan
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Xiang-Jie Duan
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Ye-Qing Xiao
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Wei Cheng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Jin-Cheng Peng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Fei Zhao
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Ying-Hao Deng
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China
| | - Shao-Bin Duan
- Department of Nephrology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, 410011, China.
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Enrich E, Campos E, Martorell L, Herrero MJ, Vidal F, Querol S, Rudilla F. HLA-A, -B, -C, -DRB1, and -DQB1 allele and haplotype frequencies: An analysis of umbilical cord blood units at the Barcelona Cord Blood Bank. HLA 2019; 94:347-359. [PMID: 31353832 DOI: 10.1111/tan.13644] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 07/18/2019] [Accepted: 07/25/2019] [Indexed: 12/16/2022]
Abstract
Allele-level HLA compatibility in cord blood transplantation has been associated with better transplant outcomes and is recommended as a selection criterion. It is also a crucial aspect for other therapeutic applications involving cord blood-derived cells. Determination of high-resolution HLA frequencies is an important step towards improving the quality of cord blood banks. We analyzed HLA-A, -B, -C, -DRB1, and -DQB1 allele frequencies in 5458 high-quality cord blood units from the Barcelona Cord Blood Bank and identified 275 class I and 121 class II HLA alleles. A*02:01, B*44:03, C*07:01, DRB1*07:01 and DQB1*03:01 were the most frequent alleles at each locus. We detected 26 novel alleles and were able to determine the presence or absence of some null alleles, including C*04:09N, in a large number of units. We also analyzed maternal HLA typing information for 1877 units to determine real haplotype frequencies and linkage disequilibrium. A*29:02-B*44:03-C*16:01-DRB1*07:01-DQB1*02:02 was the most frequent HLA haplotype and the DRB1-DQB1 gene pair contained the two-locus haplotypes with the strongest linkage disequilibrium values. Four of the 11 unique haplotypes identified in the HLA-homozygous cord blood units were the top-ranking haplotypes identified and were present in 18% of the cohort. This is the first study to report on HLA allele and haplotype frequencies for umbilical cord blood units from the Barcelona Cord Blood Bank and the largest study to date involving two fields of HLA resolution typing of Spanish registry data.
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Affiliation(s)
- Emma Enrich
- Immunogenetics and Histocompatibility Laboratory, Banc de Sang i Teixits, Barcelona, Spain
- Transfusional Medicine Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona (VHIR-UAB), Barcelona, Spain
| | - Eva Campos
- Immunogenetics and Histocompatibility Laboratory, Banc de Sang i Teixits, Barcelona, Spain
| | - Lluís Martorell
- Congenital Coagulopathy Laboratory, Banc de Sang i Teixits, Barcelona, Spain
- Cell Therapy Unit, Banc de Sang i Teixits, Barcelona, Spain
| | - María José Herrero
- Immunogenetics and Histocompatibility Laboratory, Banc de Sang i Teixits, Barcelona, Spain
| | - Francisco Vidal
- Transfusional Medicine Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona (VHIR-UAB), Barcelona, Spain
- Congenital Coagulopathy Laboratory, Banc de Sang i Teixits, Barcelona, Spain
- CIBER of Cardiovascular Diseases (CIBERCV), Madrid, Spain
| | - Sergi Querol
- Transfusional Medicine Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona (VHIR-UAB), Barcelona, Spain
- Cell Therapy Unit, Banc de Sang i Teixits, Barcelona, Spain
| | - Francesc Rudilla
- Immunogenetics and Histocompatibility Laboratory, Banc de Sang i Teixits, Barcelona, Spain
- Transfusional Medicine Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona (VHIR-UAB), Barcelona, Spain
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40
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Baba N, Wang F, Iizuka M, Shen Y, Yamashita T, Takaishi K, Tsuru E, Matsushima S, Miyamura M, Fujieda M, Tsuda M, Sagara Y, Maeda N. Induction of regional chemokine expression in response to human umbilical cord blood cell infusion in the neonatal mouse ischemia-reperfusion brain injury model. PLoS One 2019; 14:e0221111. [PMID: 31483787 PMCID: PMC6726228 DOI: 10.1371/journal.pone.0221111] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 07/30/2019] [Indexed: 12/31/2022] Open
Abstract
Regenerative medicine using umbilical cord blood (UCB) cells shows promise for the treatment of cerebral palsy. Although the efficacy of this therapy has been seen in the clinic, the mechanisms by which UCB cells interact and aid in the improvement of symptoms are not clear. We explored the chemokine expression profile in damaged brain tissue in the neonatal mouse ischemia-reperfusion (IR) brain injury model that was infused with human UCB (hUCB) cells. IR brain injury was induced in 9-day-old NOD/SCID mice. hUCB cells were administered 3 weeks post brain injury. Chemokine expression profiles in the brain extract were determined at various time points. Inflammatory chemokines such as CCL1, CCL17, and CXCL12 were transiently upregulated by 24 hours post brain injury. Upregulation of other chemokines, including CCL5, CCL9, and CXCL1 were prolonged up to 3 weeks post brain injury, but most chemokines dissipated over time. There were marked increases in levels of CCL2, CCL12, CCL20, and CX3CL1 in response to hUCB cell treatment, which might be related to the new recruitment and differentiation of neural stem cells, leading to the induction of tissue regeneration. We propose that the chemokine expression profile in the brain shifted from responding to tissue damage to inducing tissue regeneration. hUCB cell administration further enhanced the production of chemokines, and chemokine networks may play an active role in tissue regeneration in neonatal hypoxic-ischemic brain injury.
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Affiliation(s)
- Nobuyasu Baba
- Center for Innovative and Translational Medicine, Kochi Medical School, Kochi University, Kochi, Japan
- * E-mail:
| | - Feifei Wang
- Center for Innovative and Translational Medicine, Kochi Medical School, Kochi University, Kochi, Japan
| | - Michiro Iizuka
- Department of Pharmacy, Kochi Medical School Hospital, Kochi, Japan
| | - Yuan Shen
- Center for Innovative and Translational Medicine, Kochi Medical School, Kochi University, Kochi, Japan
| | - Tatsuyuki Yamashita
- Center for Innovative and Translational Medicine, Kochi Medical School, Kochi University, Kochi, Japan
| | - Kimiko Takaishi
- Center for Innovative and Translational Medicine, Kochi Medical School, Kochi University, Kochi, Japan
| | - Emi Tsuru
- Center for Innovative and Translational Medicine, Kochi Medical School, Kochi University, Kochi, Japan
- Institute for Laboratory Animal Research, Science Research Center, Kochi University, Kochi, Japan
| | - Sachio Matsushima
- Department of Obstetrics and Gynecology, Kochi Medical School, Kochi University, Kochi, Japan
| | | | - Mikiya Fujieda
- Department of Pediatrics, Kochi Medical School, Kochi University, Kochi, Japan
| | - Masayuki Tsuda
- Center for Innovative and Translational Medicine, Kochi Medical School, Kochi University, Kochi, Japan
- Institute for Laboratory Animal Research, Science Research Center, Kochi University, Kochi, Japan
| | - Yusuke Sagara
- Center for Innovative and Translational Medicine, Kochi Medical School, Kochi University, Kochi, Japan
| | - Nagamasa Maeda
- Center for Innovative and Translational Medicine, Kochi Medical School, Kochi University, Kochi, Japan
- Department of Obstetrics and Gynecology, Kochi Medical School, Kochi University, Kochi, Japan
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41
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Gabelli M, Veys P, Chiesa R. Current status of umbilical cord blood transplantation in children. Br J Haematol 2019; 190:650-683. [PMID: 31410846 DOI: 10.1111/bjh.16107] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 06/19/2019] [Accepted: 06/19/2019] [Indexed: 12/19/2022]
Abstract
The first umbilical cord blood (UCB) transplantation was performed 30 years ago. UCB transplantation (UCBT) is now widely used in children with malignant and non-malignant disorders who lack a matched family donor. UCBT affords a lower incidence of graft-versus-host disease compared to alternative stem cell sources, but also presents a slower immune recovery and a high risk of infections if serotherapy is not omitted or targeted within the conditioning regimen. The selection of UCB units with high cell content and good human leucocyte antigen match is essential to improve the outcome. Techniques, such as double UCBT, ex vivo stem cell expansion and intra-bone injection of UCB, have improved cord blood engraftment, but clinical benefit remains to be demonstrated. Cell therapies derived from UCB are under evaluation as potential novel strategies to reduce relapse and viral infections following transplantation. In recent years, improvements within haploidentical transplantation have reduced the overall use of UCBT as an alternative stem cell source; however, each may have its relative merits and disadvantages and tailored use of these alternative stem cell sources may be the optimal approach.
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Affiliation(s)
- Maria Gabelli
- Bone Marrow Transplantation, Great Ormond Street Hospital, London, UK
| | - Paul Veys
- Bone Marrow Transplantation, Great Ormond Street Hospital, London, UK
| | - Robert Chiesa
- Bone Marrow Transplantation, Great Ormond Street Hospital, London, UK
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42
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Okada A, Shimbo T, Endo M, Iwai S, Kitayama T, Ouchi Y, Yamamoto R, Takaki E, Yamazaki S, Nishida M, Wang X, Kikuchi Y, Tomimatsu T, Kaneda Y, Kimura T, Tamai K. Transcriptionally distinct mesenchymal stem/stromal cells circulate in fetus. Biochem Biophys Res Commun 2019; 512:326-330. [PMID: 30890337 DOI: 10.1016/j.bbrc.2019.03.033] [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: 03/04/2019] [Accepted: 03/06/2019] [Indexed: 10/27/2022]
Abstract
Umbilical cord blood contains mesenchymal stem/stromal cells (MSCs) in addition to hematopoietic stem cells, serving as an attractive tool for regenerative medicine. As umbilical cord blood originates from fetus, abundant MSCs are expected to circulate in fetus. However, the properties of circulating MSCs in fetus have not been fully examined. In the present study, we aimed to analyze circulating MSCs, marked by the expression of platelet-derived growth factor receptor α (PDGFRα), during fetal development. Using PDGFRα GFP knock-in mice, we quantified the number of circulating PDGFRα positive MSCs during development. We further performed whole transcriptome analysis of circulating MSCs at single cell levels. We found that abundant PDGFRα positive cells circulate in embryo and diminish immediately after birth. In addition, single cell RNA-sequencing revealed transcriptional heterogeneity of MSCs in fetal circulation. These data lay a foundation to analyze the function of circulating MSCs during development.
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Affiliation(s)
- Aiko Okada
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Takashi Shimbo
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Masayuki Endo
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
| | - Sayuri Iwai
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Tomomi Kitayama
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan; StemRIM Co., Ltd., Ibaraki, Japan
| | - Yuya Ouchi
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan; StemRIM Co., Ltd., Ibaraki, Japan
| | - Ryoma Yamamoto
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan; StemRIM Co., Ltd., Ibaraki, Japan
| | - Eiichi Takaki
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan; StemRIM Co., Ltd., Ibaraki, Japan
| | - Sho Yamazaki
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan; StemRIM Co., Ltd., Ibaraki, Japan
| | - Mami Nishida
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan; StemRIM Co., Ltd., Ibaraki, Japan
| | - Xin Wang
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan; StemRIM Co., Ltd., Ibaraki, Japan
| | - Yasushi Kikuchi
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Takuji Tomimatsu
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yasufumi Kaneda
- Division of Gene Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Katsuto Tamai
- Department of Stem Cell Therapy Science, Graduate School of Medicine, Osaka University, Suita, Japan.
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43
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Patel S, Chorvinsky E, Albihani S, Cruz CR, Jones RB, Shpall EJ, Margolis DM, Ambinder RF, Bollard CM. HIV-Specific T Cells Generated from Naive T Cells Suppress HIV In Vitro and Recognize Wide Epitope Breadths. Mol Ther 2018; 26:1435-1446. [PMID: 29724686 DOI: 10.1016/j.ymthe.2018.04.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 04/02/2018] [Accepted: 04/05/2018] [Indexed: 10/17/2022] Open
Abstract
The Berlin Patient represents the first and only functional HIV cure achieved by hematopoietic stem cell transplant (HSCT). In subsequent efforts to replicate this result, HIV rebounded post-HSCT after withdrawal of antiretroviral therapy. Providing HIV-specific immunity through adoptive T cell therapy may prevent HIV rebound post-HSCT by eliminating newly infected cells before they can seed systemic infection. Adoptive T cell therapy has demonstrated success in boosting Epstein-Barr virus and cytomegalovirus-specific immunity post-HSCT, controlling viral reactivation. However, T cell immunotherapies to boost HIV-specific immunity have been limited by single-epitope specificity and minimal persistence or efficacy in vivo. To improve this strategy, we sought to generate allogeneic HIV-specific T cells from human leukocyte antigen (HLA)-A02+ HIV-negative adult or cord blood donors. We focused on HLA-A02+ donors due to well-characterized epitope restrictions observed in HIV+ populations. We show that multi-antigen HIV-specific T cells can be generated from naive T cells of both cord blood and adults using a reproducible good manufacturing practice (GMP)-grade protocol. This product lysed antigen-pulsed targets and suppressed active HIV in vitro. Interestingly, these cells displayed broad epitope recognition despite lacking recognition of the common HLA-A02-restricted HIV epitope Gag SL9. This first demonstration of functional multi-antigen HIV-specific T cells has implications for improving treatment of HIV through allogeneic HSCT.
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Affiliation(s)
- Shabnum Patel
- Center for Cancer and Immunology Research, Children's National Health System, Washington, DC 20010, USA; Cancer Center, Department of Pediatrics, The George Washington University, Washington, DC 20037, USA
| | - Elizabeth Chorvinsky
- Center for Cancer and Immunology Research, Children's National Health System, Washington, DC 20010, USA
| | - Shuroug Albihani
- Center for Cancer and Immunology Research, Children's National Health System, Washington, DC 20010, USA
| | - Conrad Russell Cruz
- Center for Cancer and Immunology Research, Children's National Health System, Washington, DC 20010, USA; Cancer Center, Department of Pediatrics, The George Washington University, Washington, DC 20037, USA
| | - R Brad Jones
- Department of Microbiology, Immunology, and Tropical Medicine, The George Washington University, Washington, DC 20037, USA
| | - Elizabeth J Shpall
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - David M Margolis
- University of North Carolina HIV Cure Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Richard F Ambinder
- Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Catherine M Bollard
- Center for Cancer and Immunology Research, Children's National Health System, Washington, DC 20010, USA; Cancer Center, Department of Pediatrics, The George Washington University, Washington, DC 20037, USA.
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