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Hussain MA, Das SP, Kulkarni M, Laha S. A review on the functional characteristics of the c-Myeloproliferative Leukaemia (c-MPL) gene and its isoforms. Cell Oncol (Dordr) 2024; 47:1607-1626. [PMID: 39283476 DOI: 10.1007/s13402-024-00988-w] [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] [Accepted: 08/28/2024] [Indexed: 10/11/2024] Open
Abstract
The c-MPL-TPO axis regulates hematopoiesis by activating various signalling cascades, including JAK/STAT, MAPK/ERK, and PIK3/AKT. Here, we have summarized how TPO is regulated by c-MPL and, how mutations in the c-MPL regulate hematopoiesis. We also focus on its non-hematological regulatory role in diseases like Unstable Angina and pathways like DNA damage repair, skeletal homeostasis, & apoptotic regulation of neurons/HSCs at the embryonic state. We discuss the therapeutic efficiency of c-MPL and, its potential to be developed as a bio-marker for detecting metastasis and development of chemo-resistance in various cancers, justifying the multifaceted nature of c-MPL. We have also highlighted the importance of c-MPL isoforms and their stoichiometry in controlling the HSC quiescent and proliferative state. The regulation of the ratio of different isoforms through gene-therapy can open future therapeutic avenues. A systematic understanding of c-MPL-isoforms would undoubtedly take one step closer to facilitating c-MPL from basic-research towards translational medicine.
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Affiliation(s)
- Mohammad Amjad Hussain
- Cell Biology and Molecular Genetics Division, Yenepoya Research Centre, Yenepoya (Deemed to be) University, 3rd Floor, Academic Block, University Road, Deralakatte, Mangalore, Karnataka, 575018, India
| | - Shankar Prasad Das
- Cell Biology and Molecular Genetics Division, Yenepoya Research Centre, Yenepoya (Deemed to be) University, 3rd Floor, Academic Block, University Road, Deralakatte, Mangalore, Karnataka, 575018, India
| | - Mithila Kulkarni
- Cell Biology and Molecular Genetics Division, Yenepoya Research Centre, Yenepoya (Deemed to be) University, 3rd Floor, Academic Block, University Road, Deralakatte, Mangalore, Karnataka, 575018, India
| | - Suparna Laha
- Cell Biology and Molecular Genetics Division, Yenepoya Research Centre, Yenepoya (Deemed to be) University, 3rd Floor, Academic Block, University Road, Deralakatte, Mangalore, Karnataka, 575018, India.
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2
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Zeng Y, Li C, Yang F, Zhang L, Xu W, Wang L, Wu A, Zou W, Wu J, Huang F. Sheng Xue Ning as a Novel Agent that Promotes SCF-Driven Hematopoietic Stem/Progenitor Cell Proliferation to Promote Erythropoiesis. Biomolecules 2024; 14:1147. [PMID: 39334913 PMCID: PMC11429878 DOI: 10.3390/biom14091147] [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: 08/08/2024] [Revised: 09/05/2024] [Accepted: 09/09/2024] [Indexed: 09/30/2024] Open
Abstract
Stimulating erythropoiesis is essential in the treatment of various types of anemia. Sheng Xue Ning (SXN) is commonly used in China as an iron supplement to treat iron deficiency anemia, renal anemia, and anemia in pregnancy. This research reports a novel effect of SXN in enhancing the proliferation of hematopoietic stem/progenitor cell (HSPC) to promote erythropoiesis in the bone marrow, which is distinct from conventional iron supplements that primarily aid in the maturation of red blood cells. Employing a model of hematopoietic dysfunction induced by X-ray exposure, we evaluated the efficacy of SXN in restoring hematopoietic function. SXN significantly promoted the recovery of peripheral erythroid cells and enhanced the proliferation and differentiation of Lin-/c-KIT+/Sca-1+ HSPC in mice exposed to X-ray irradiation. Our results showed that SXN elevated the expression of stem cell factor (SCF) and activated the SCF/c-KIT/PI3K/AKT signaling pathway, facilitating the proliferation and differentiation of HSPC. In vitro, SXN markedly enhanced the proliferation of bone marrow nucleated cell (BMNC) and the colony-forming capacity of BFU-E, CFU-E, and CFU-GM, while also elevating the expression of proteins involved in the SCF/c-KIT/PI3K/AKT pathway in BMNC. Additionally, SXN enhanced the proliferation and differentiation of mesenchymal stem cell (MSC) and increased SCF secretion. In conclusion, SXN demonstrates the capacity to enhance erythropoiesis by upregulating SCF expression, thereby promoting HSPC proliferation and differentiation via the SCF/c-KIT/PI3K/AKT pathway. SXN may offer a new strategy for improving the activity of HSPC and promoting erythropoiesis in the treatment of hematopoiesis disorders.
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Affiliation(s)
- Yueying Zeng
- Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Chunlu Li
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Fei Yang
- Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Ling Zhang
- Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Wanqi Xu
- Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Long Wang
- Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Anguo Wu
- Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Wenjun Zou
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jianming Wu
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Feihong Huang
- Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
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3
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Khattab S, El Sorady M, El-Ghandour A, Visani G, Piccaluga PP. Hematopoietic and leukemic stem cells homeostasis: the role of bone marrow niche. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2024; 5:1027-1055. [PMID: 39351440 PMCID: PMC11438561 DOI: 10.37349/etat.2024.00262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Accepted: 07/01/2024] [Indexed: 10/04/2024] Open
Abstract
The bone marrow microenvironment (BMM) has highly specialized anatomical characteristics that provide a sanctuary place for hematopoietic stem cells (HSCs) that allow appropriate proliferation, maintenance, and self-renewal capacity. Several cell types contribute to the constitution and function of the bone marrow niche. Interestingly, uncovering the secrets of BMM and its interaction with HSCs in health paved the road for research aiming at better understanding the concept of leukemic stem cells (LSCs) and their altered niche. In fact, they share many signals that are responsible for interactions between LSCs and the bone marrow niche, due to several biological similarities between LSCs and HSCs. On the other hand, LSCs differ from HSCs in their abnormal activation of important signaling pathways that regulate survival, proliferation, drug resistance, invasion, and spread. Targeting these altered niches can help in better treatment choices for hematological malignancies and bone marrow disorders in general and acute myeloid leukemia (AML) in particular. Moreover, targeting those niches may help in decreasing the emergence of drug resistance and lower the relapse rate. In this article, the authors reviewed the most recent literature on bone marrow niches and their relations with either normal HSCs and AML cells/LSC, by focusing on pathogenetic and therapeutic implications.
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Affiliation(s)
- Shaimaa Khattab
- Biobank of Research, IRCCS Azienda Ospedaliera-Universitaria di Bologna Policlinico di S. Orsola, 40138 Bologna, Italy
- Department of Medical and Surgical Sciences, Bologna University School of Medicine, 40138 Bologna, Italy
- Medical Research Institute, Hematology department, Alexandria University, Alexandria 21561, Egypt
| | - Manal El Sorady
- Department of Internal Medicine, Faculty of Medicine, Alexandria University, Alexandria 5310002, Egypt
| | - Ashraf El-Ghandour
- Department of Internal Medicine, Faculty of Medicine, Alexandria University, Alexandria 5310002, Egypt
| | - Giuseppe Visani
- Hematology and Stem Cell Transplant Center, Azienda Ospedaliera Marche Nord, 61121 Pesaro, Italy
| | - Pier Paolo Piccaluga
- Biobank of Research, IRCCS Azienda Ospedaliera-Universitaria di Bologna Policlinico di S. Orsola, 40138 Bologna, Italy
- Department of Medical and Surgical Sciences, Bologna University School of Medicine, 40138 Bologna, Italy
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4
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Lee BC. Challenges and innovations in hematopoietic stem cell transplantation: exploring bone marrow niches and new model systems. BMB Rep 2024; 57:352-362. [PMID: 38919014 PMCID: PMC11362137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 05/27/2024] [Accepted: 06/12/2024] [Indexed: 06/27/2024] Open
Abstract
Hematopoietic stem cell transplantation (HSCT) remains an indispensable therapeutic strategy for various hematological diseases. This review discusses the pivotal role of bone marrow (BM) niches in influencing the efficacy of HSCT and evaluates the current animal models, emphasizing their limitations and the need for alternative models. Traditional animal models, mainly murine xenograft, have provided significant insights, but due to species-specific differences, are often constrained from accurately mimicking human physiological responses. These limitations highlight the importance of developing alternative models that can more realistically replicate human hematopoiesis. Emerging models that include BM organoids and BM-on-a-chip microfluidic systems promise enhanced understanding of HSCT dynamics. These models aim to provide more accurate simulations of the human BM microenvironment, potentially leading to improved preclinical assessments and therapeutic outcomes. This review highlights the complexities of the BM niche, discusses the limitations of current models, and suggests directions for future research using advanced model systems. [BMB Reports 2024; 57(8): 352-362].
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Affiliation(s)
- Byung-Chul Lee
- Department of Biological Sciences, Sookmyung Women’s University, Seoul 04310, Korea
- Research Institute of Women’s Health, Sookmyung Women’s University, Seoul 04310, Korea
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5
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Sukhnanan K, Ross JR, Chao NJ, Chen BJ. Endothelial Cell Derived Extracellular Vesicles and Hematopoiesis. Radiat Res 2024; 202:215-226. [PMID: 38918003 DOI: 10.1667/rade-24-00039.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 04/23/2024] [Indexed: 06/27/2024]
Abstract
Extracellular vesicles (EVs) have been recognized as a novel way of cell-to-cell communication in the last several decades. It is believed that EVs exert their functions on nearby or distant cells through transfer of the cargo that they carry. In this review, we focus on EVs produced by endothelial cells, with emphasis on their role in hematopoiesis. We first describe how endothelial cells interact with hematopoietic stem/progenitor cells during development and in disease conditions. We then discuss EVs, ranging from their subtypes to isolation methods and analysis of EVs. With the above background information, we next review the literature related to endothelial cell derived EVs (ECEVs), including physiological functions and their clinical uses. In the last sections, we summarize the current results about the effect of ECEVs on hematopoiesis under physiological and stress conditions.
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Affiliation(s)
| | - Joel R Ross
- Department of Medicine, Duke University, Durham, North Carolina
| | - Nelson J Chao
- Department of Medicine, Duke University, Durham, North Carolina
- Department of Pathology, Duke University, Durham, North Carolina
- Department of Immunology, Duke University, Durham, North Carolina
- Duke Cancer Institute, Duke University, Durham, North Carolina
- Duke Global Health Institute, Duke University, Durham, North Carolina
| | - Benny J Chen
- Department of Medicine, Duke University, Durham, North Carolina
- Department of Immunology, Duke University, Durham, North Carolina
- Duke Fitzpatrick Institute for Photonics, Duke University, Durham, North Carolina
- Duke Regeneration Center, Duke University, Durham, North Carolina
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6
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Branco A, Rayabaram J, Miranda CC, Fernandes-Platzgummer A, Fernandes TG, Sajja S, da Silva CL, Vemuri MC. Advances in ex vivo expansion of hematopoietic stem and progenitor cells for clinical applications. Front Bioeng Biotechnol 2024; 12:1380950. [PMID: 38846805 PMCID: PMC11153805 DOI: 10.3389/fbioe.2024.1380950] [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: 02/02/2024] [Accepted: 04/25/2024] [Indexed: 06/09/2024] Open
Abstract
As caretakers of the hematopoietic system, hematopoietic stem cells assure a lifelong supply of differentiated populations that are responsible for critical bodily functions, including oxygen transport, immunological protection and coagulation. Due to the far-reaching influence of the hematopoietic system, hematological disorders typically have a significant impact on the lives of individuals, even becoming fatal. Hematopoietic cell transplantation was the first effective therapeutic avenue to treat such hematological diseases. Since then, key use and manipulation of hematopoietic stem cells for treatments has been aspired to fully take advantage of such an important cell population. Limited knowledge on hematopoietic stem cell behavior has motivated in-depth research into their biology. Efforts were able to uncover their native environment and characteristics during development and adult stages. Several signaling pathways at a cellular level have been mapped, providing insight into their machinery. Important dynamics of hematopoietic stem cell maintenance were begun to be understood with improved comprehension of their metabolism and progressive aging. These advances have provided a solid platform for the development of innovative strategies for the manipulation of hematopoietic stem cells. Specifically, expansion of the hematopoietic stem cell pool has triggered immense interest, gaining momentum. A wide range of approaches have sprouted, leading to a variety of expansion systems, from simpler small molecule-based strategies to complex biomimetic scaffolds. The recent approval of Omisirge, the first expanded hematopoietic stem and progenitor cell product, whose expansion platform is one of the earliest, is predictive of further successes that might arise soon. In order to guarantee the quality of these ex vivo manipulated cells, robust assays that measure cell function or potency need to be developed. Whether targeting hematopoietic engraftment, immunological differentiation potential or malignancy clearance, hematopoietic stem cells and their derivatives need efficient scaling of their therapeutic potency. In this review, we comprehensively view hematopoietic stem cells as therapeutic assets, going from fundamental to translational.
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Affiliation(s)
- André Branco
- Department of Bioengineering and Institute for Bioengineering and Biosciences (iBB), Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Janakiram Rayabaram
- Protein and Cell Analysis, Biosciences Division, Invitrogen Bioservices, Thermo Fisher Scientific, Bangalore, India
| | - Cláudia C. Miranda
- Department of Bioengineering and Institute for Bioengineering and Biosciences (iBB), Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
- AccelBio, Collaborative Laboratory to Foster Translation and Drug Discovery, Cantanhede, Portugal
| | - Ana Fernandes-Platzgummer
- Department of Bioengineering and Institute for Bioengineering and Biosciences (iBB), Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Tiago G. Fernandes
- Department of Bioengineering and Institute for Bioengineering and Biosciences (iBB), Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Suchitra Sajja
- Protein and Cell Analysis, Biosciences Division, Invitrogen Bioservices, Thermo Fisher Scientific, Bangalore, India
| | - Cláudia L. da Silva
- Department of Bioengineering and Institute for Bioengineering and Biosciences (iBB), Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
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7
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Matveeva D, Kashirina D, Ezdakova M, Larina I, Buravkova L, Ratushnyy A. Senescence-Associated Alterations in Matrisome of Mesenchymal Stem Cells. Int J Mol Sci 2024; 25:5332. [PMID: 38791371 PMCID: PMC11120844 DOI: 10.3390/ijms25105332] [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: 04/03/2024] [Revised: 04/26/2024] [Accepted: 04/30/2024] [Indexed: 05/26/2024] Open
Abstract
The process of aging is intimately linked to alterations at the tissue and cellular levels. Currently, the role of senescent cells in the tissue microenvironment is still being investigated. Despite common characteristics, different cell populations undergo distinctive morphofunctional changes during senescence. Mesenchymal stem cells (MSCs) play a pivotal role in maintaining tissue homeostasis. A multitude of studies have examined alterations in the cytokine profile that determine their regulatory function. The extracellular matrix (ECM) of MSCs is a less studied aspect of their biology. It has been shown to modulate the activity of neighboring cells. Therefore, investigating age-related changes in the MSC matrisome is crucial for understanding the mechanisms of tissue niche ageing. This study conducted a broad proteomic analysis of the matrisome of separated fractions of senescent MSCs, including the ECM, conditioned medium (CM), and cell lysate. This is the first time such an analysis has been conducted. It has been established that there is a shift in production towards regulatory molecules and a significant downregulation of the main structural and adhesion proteins of the ECM, particularly collagens, fibulins, and fibrilins. Additionally, a decrease in the levels of cathepsins, galectins, S100 proteins, and other proteins with cytoprotective, anti-inflammatory, and antifibrotic properties has been observed. However, the level of inflammatory proteins and regulators of profibrotic pathways increases. Additionally, there is an upregulation of proteins that can directly cause prosenescent effects on microenvironmental cells (SERPINE1, THBS1, and GDF15). These changes confirm that senescent MSCs can have a negative impact on other cells in the tissue niche, not only through cytokine signals but also through the remodeled ECM.
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Affiliation(s)
| | | | | | | | | | - Andrey Ratushnyy
- Institute of Biomedical Problems, Russian Academy of Sciences, Khoroshevskoye Shosse, 76a, 123007 Moscow, Russia; (D.M.); (D.K.); (M.E.); (I.L.); (L.B.)
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8
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da Silva Gonçalves CE, Fock RA. Semaphorins and the bone marrow microenvironment: New candidates that influence the hematopoietic system. Cytokine Growth Factor Rev 2024; 76:22-29. [PMID: 38472041 DOI: 10.1016/j.cytogfr.2024.02.002] [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: 02/13/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024]
Abstract
The bone marrow is a haven for hematopoietic and non-hematopoietic cells, creating complex micro-anatomical regions called niches. These distinct niches all participate in an intricate orchestra of cellular interactions that regulates the hematopoietic stem cell and its progenies. In this review, we provide a detailed description of the three most well-known bone marrow niches and their participation in hematopoiesis. We use pre-clinical data, including different in vitro and in vivo studies to discuss how a group of proteins called Semaphorins could potentially modulate both hematopoietic and non-hematopoietic cells, establishing links between the niches, semaphorins, and hematopoietic regulation. Thus, here we provide a deep dive into the inner functioning of the bone marrow and discuss the overarching implications that semaphorins might have on blood formation.
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Affiliation(s)
- Carlos E da Silva Gonçalves
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil.
| | - Ricardo A Fock
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
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9
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Wu CH, Weng TF, Li JP, Wu KH. Biology and Therapeutic Properties of Mesenchymal Stem Cells in Leukemia. Int J Mol Sci 2024; 25:2527. [PMID: 38473775 DOI: 10.3390/ijms25052527] [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: 01/07/2024] [Revised: 02/08/2024] [Accepted: 02/15/2024] [Indexed: 03/14/2024] Open
Abstract
This comprehensive review delves into the multifaceted roles of mesenchymal stem cells (MSCs) in leukemia, focusing on their interactions within the bone marrow microenvironment and their impact on leukemia pathogenesis, progression, and treatment resistance. MSCs, characterized by their ability to differentiate into various cell types and modulate the immune system, are integral to the BM niche, influencing hematopoietic stem cell maintenance and functionality. This review extensively explores the intricate relationship between MSCs and leukemic cells in acute myeloid leukemia, acute lymphoblastic leukemia, chronic myeloid leukemia, and chronic lymphocytic leukemia. This review also addresses the potential clinical applications of MSCs in leukemia treatment. MSCs' role in hematopoietic stem cell transplantation, their antitumor effects, and strategies to disrupt chemo-resistance are discussed. Despite their therapeutic potential, the dual nature of MSCs in promoting and inhibiting tumor growth poses significant challenges. Further research is needed to understand MSCs' biological mechanisms in hematologic malignancies and develop targeted therapeutic strategies. This in-depth exploration of MSCs in leukemia provides crucial insights for advancing treatment modalities and improving patient outcomes in hematologic malignancies.
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Affiliation(s)
- Cheng-Hsien Wu
- School of Medicine, National Defense Medical Center, Taipei 114, Taiwan
| | - Te-Fu Weng
- Department of Pediatrics, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Ju-Pi Li
- Department of Pediatrics, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- Department of Pathology, School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Kang-Hsi Wu
- Department of Pediatrics, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
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10
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Liu X, Zhang H, Shi G, Zheng X, Chang J, Lin Q, Tian Z, Yang H. The impact of gut microbial signals on hematopoietic stem cells and the bone marrow microenvironment. Front Immunol 2024; 15:1338178. [PMID: 38415259 PMCID: PMC10896826 DOI: 10.3389/fimmu.2024.1338178] [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: 11/14/2023] [Accepted: 01/24/2024] [Indexed: 02/29/2024] Open
Abstract
Hematopoietic stem cells (HSCs) undergo self-renewal and differentiation in the bone marrow, which is tightly regulated by cues from the microenvironment. The gut microbiota, a dynamic community residing on the mucosal surface of vertebrates, plays a crucial role in maintaining host health. Recent evidence suggests that the gut microbiota influences HSCs differentiation by modulating the bone marrow microenvironment through microbial products. This paper comprehensively analyzes the impact of the gut microbiota on hematopoiesis and its effect on HSCs fate and differentiation by modifying the bone marrow microenvironment, including mechanical properties, inflammatory signals, bone marrow stromal cells, and metabolites. Furthermore, we discuss the involvement of the gut microbiota in the development of hematologic malignancies, such as leukemia, multiple myeloma, and lymphoma.
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Affiliation(s)
- Xiru Liu
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, China
| | - Hao Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, China
| | - Guolin Shi
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, China
| | - Xinmin Zheng
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, China
| | - Jing Chang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, China
- Medical Service, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China
| | - Quande Lin
- Medical Service, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, China
| | - Zhenhao Tian
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, China
| | - Hui Yang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, China
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11
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Wei X, Zhang Y, Wang Z, He Y, Ju S, Fu J. Bone marrow adipocytes is a new player in supporting myeloma cells proliferation and survival in myeloma microenvironment. Transl Oncol 2024; 40:101856. [PMID: 38134840 PMCID: PMC10776777 DOI: 10.1016/j.tranon.2023.101856] [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: 10/11/2023] [Revised: 11/09/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023] Open
Abstract
Multiple myeloma (MM) is a lethal B cell neoplasm characterized by clonal expansion of malignant plasma cells in the bone marrow and remains incurable due to disease relapse and drug resistance. Bone marrow adipocytes (BMAs) are emerging as playing active functions that can support myeloma cell growth and survival. The aim of this study is to investigate myeloma-mesenchymal stem cells (MSCs) interaction and the impact of such interactions on the pathogenesis of MM using in vitro co-culture assay. Here we provide evidence that MM cell up-regulated MSCs to express PPAR-γ and pushes MSCs differentiation toward adipocytes at the expense of osteoblasts in co-culture manner. The increased BMAs can effectively enhance MM cell to proliferation, migration, and chemoresistance via cell-cell contact and/or cytokines release regulated by PPAR-γ signal pathway. This effect was partially reversed in medium containing PPAR-γ antagonist G3335 and indicated that G3335 distorts the maturation of MSC-derived adipocytes and cytokines release by adipocytes through inhibition of PPAR-γ, a key transcriptional factor for the activation of adipogenesis, or cell to cell contact, or both. In meantime, we observed higher expression of adipocyte differentiation associated genes DLK1, DGAT1, FABP4, and FASN both in MSCs and MSC derived adipocytes, but the osteoblast differentiation-associated gene ALP was down regulated in MSCs. These finding mean that direct consequence of MM/MSC interaction that play a role in MM pathogenesis. Consistent with those in vitro results, our primary clinical observation also showed that bone marrow samples from MM patients had significantly higher bone adiposity in comparison with controls and the number of adipocytes decreased in those who were response to anti-MM therapy. Our finding suggested that BMAs may have an important contribution to MM progression, particularly in drugs resistant of MM cells, and plays an important contribution in MM bone disease and treatment failure, but more clinical studies are needed to confirm its role.
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Affiliation(s)
- Xiaoqian Wei
- Hematology Department, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, PR China
| | - Yangmin Zhang
- Hematology Department, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, PR China
| | - Ziyan Wang
- Hematology Department, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, PR China
| | - Yuanning He
- Hematology Department, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, PR China
| | - Songguang Ju
- Institute of Biotechnology, Soochow University, Suzhou 215007, PR China
| | - Jinxiang Fu
- Hematology Department, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, PR China.
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12
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Hernández-Barrientos D, Pelayo R, Mayani H. The hematopoietic microenvironment: a network of niches for the development of all blood cell lineages. J Leukoc Biol 2023; 114:404-420. [PMID: 37386890 DOI: 10.1093/jleuko/qiad075] [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: 03/07/2023] [Revised: 05/25/2023] [Accepted: 06/15/2023] [Indexed: 07/01/2023] Open
Abstract
Blood cell formation (hematopoiesis) takes place mainly in the bone marrow, within the hematopoietic microenvironment, composed of a number of different cell types and their molecular products that together shape spatially organized and highly specialized microstructures called hematopoietic niches. From the earliest developmental stages and throughout the myeloid and lymphoid lineage differentiation pathways, hematopoietic niches play a crucial role in the preservation of cellular integrity and the regulation of proliferation and differentiation rates. Current evidence suggests that each blood cell lineage develops under specific, discrete niches that support committed progenitor and precursor cells and potentially cooperate with transcriptional programs determining the gradual lineage commitment and specification. This review aims to discuss recent advances on the cellular identity and structural organization of lymphoid, granulocytic, monocytic, megakaryocytic, and erythroid niches throughout the hematopoietic microenvironment and the mechanisms by which they interconnect and regulate viability, maintenance, maturation, and function of the developing blood cells.
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Affiliation(s)
- Daniel Hernández-Barrientos
- Hematopoietic Stem Cells Laboratory, Oncology Research Unit, Oncology Hospital, National Medical Center, IMSS, Av. Cuauhtemoc 330. Mexico City, 06720, Mexico
| | - Rosana Pelayo
- Onco-Immunology Laboratory, Eastern Biomedical Research Center, IMSS, Km 4.5 Atlixco-Metepec, 74360, Puebla, Mexico
| | - Hector Mayani
- Hematopoietic Stem Cells Laboratory, Oncology Research Unit, Oncology Hospital, National Medical Center, IMSS, Av. Cuauhtemoc 330. Mexico City, 06720, Mexico
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13
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Shi G, Zhang P, Zhang X, Li J, Zheng X, Yan J, Zhang N, Yang H. The spatiotemporal heterogeneity of the biophysical microenvironment during hematopoietic stem cell development: from embryo to adult. Stem Cell Res Ther 2023; 14:251. [PMID: 37705072 PMCID: PMC10500792 DOI: 10.1186/s13287-023-03464-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 08/22/2023] [Indexed: 09/15/2023] Open
Abstract
Hematopoietic stem cells (HSCs) with the ability to self-renew and differentiate are responsible for maintaining the supply of all types of blood cells. The complex and delicate microenvironment surrounding HSCs is called the HSC niche and can provide physical, chemical, and biological stimuli to regulate the survival, maintenance, proliferation, and differentiation of HSCs. Currently, the exploration of the biophysical regulation of HSCs remains in its infancy. There is evidence that HSCs are susceptible to biophysical stimuli, suggesting that the construction of engineered niche biophysical microenvironments is a promising way to regulate the fate of HSCs in vitro and ultimately contribute to clinical applications. In this review, we introduced the spatiotemporal heterogeneous biophysical microenvironment during HSC development, homeostasis, and malignancy. Furthermore, we illustrated how these biophysical cues contribute to HSC behaviors, as well as the possible mechanotransduction mechanisms from the extracellular microenvironment into cells. Comprehending the important functions of these biophysical regulatory factors will provide novel approaches to resolve clinical problems.
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Affiliation(s)
- Guolin Shi
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Pan Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- School of Food Science and Engineering, Shaanxi University of Science & Technology, Xi'an, China
| | - Xi Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Jing Li
- Shaanxi Key Laboratory of Brain Disorders & Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, China
| | - Xinmin Zheng
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Jinxiao Yan
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Nu Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Hui Yang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China.
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China.
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China.
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14
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Xu J, Sun Y, Fu W, Fu S. MYCT1 in cancer development: Gene structure, regulation, and biological implications for diagnosis and treatment. Biomed Pharmacother 2023; 165:115208. [PMID: 37499454 DOI: 10.1016/j.biopha.2023.115208] [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: 05/12/2023] [Revised: 07/10/2023] [Accepted: 07/19/2023] [Indexed: 07/29/2023] Open
Abstract
Myc target 1 (MYCT1), located at 6q25.2, is a crucial player in cancer development. While widely distributed in cells, its subcellular localization varies across different cancer types. As a novel c-Myc target gene, MYCT1 is subject to regulation by multiple transcription factors. Studies have revealed aberrant expression of MYCT1 in various cancers, impacting pivotal biological processes such as proliferation, apoptosis, migration, genomic instability, and differentiation in cancer cells. Additionally, MYCT1 plays a critical role in modulating tumor angiogenesis and remodeling tumor immune responses within the tumor microenvironment. Despite certain debated functions, MYCT1 undeniably holds significance in cancer development. In this review, we comprehensively examine the relationship between MYCT1 and cancer, encompassing gene structure, regulation of gene expression, gene mutation, and biological function, with the aim of providing valuable insights for cancer diagnosis and treatment.
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Affiliation(s)
- Jianan Xu
- Department of Medical genetics, China Medical University, Shenyang 110022, PR China
| | - Yuanyuan Sun
- Department of Medical genetics, China Medical University, Shenyang 110022, PR China
| | - Weineng Fu
- Department of Medical genetics, China Medical University, Shenyang 110022, PR China
| | - Shuang Fu
- Department of Hematology Laboratory, Shengjing Hospital of China Medical University, Shenyang 110022, PR China; Department of Medical genetics, China Medical University, Shenyang 110022, PR China.
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15
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Huang Z, Huang Y, Ning X, Li H, Li Q, Wu J. The functional effects of Piezo channels in mesenchymal stem cells. Stem Cell Res Ther 2023; 14:222. [PMID: 37633928 PMCID: PMC10464418 DOI: 10.1186/s13287-023-03452-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 08/14/2023] [Indexed: 08/28/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are widely used in cell therapy, tissue engineering, and regenerative medicine because of their self-renewal, pluripotency, and immunomodulatory properties. The microenvironment in which MSCs are located significantly affects their physiological functions. The microenvironment directly or indirectly affects cell behavior through biophysical, biochemical, or other means. Among them, the mechanical signals provided to MSCs by the microenvironment have a particularly pronounced effect on their physiological functions and can affect osteogenic differentiation, chondrogenic differentiation, and senescence in MSCs. Mechanosensitive ion channels such as Piezo1 and Piezo2 are important in transducing mechanical signals, and these channels are widely distributed in sites such as skin, bladder, kidney, lung, sensory neurons, and dorsal root ganglia. Although there have been numerous studies on Piezo channels in MSCs in recent years, the function of Piezo channels in MSCs is still not well understood, and there has been no summary of their relationship to illustrate which physiological functions of MSCs are affected by Piezo channels and the possible underlying mechanisms. Therefore, based on the members, structures, and functions of Piezo ion channels and the fundamental information of MSCs, this paper focused on summarizing the advances in Piezo channels in MSCs from various tissue sources to provide new ideas for future research and practical applications of Piezo channels and MSCs.
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Affiliation(s)
- Zhilong Huang
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Yingying Huang
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Xiner Ning
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Haodi Li
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Qiqi Li
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Junjie Wu
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, 710032, China.
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16
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Quagliano A, Gopalakrishnapillai A, Barwe SP. Tetraspanins set the stage for bone marrow microenvironment-induced chemoprotection in hematologic malignancies. Blood Adv 2023; 7:4403-4413. [PMID: 37561544 PMCID: PMC10432613 DOI: 10.1182/bloodadvances.2023010476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 06/06/2023] [Indexed: 08/11/2023] Open
Abstract
Despite recent advances in the treatment of hematologic malignancies, relapse still remains a consistent issue. One of the primary contributors to relapse is the bone marrow microenvironment providing a sanctuary to malignant cells. These cells interact with bone marrow components such as osteoblasts and stromal cells, extracellular matrix proteins, and soluble factors. These interactions, mediated by the cell surface proteins like cellular adhesion molecules (CAMs), induce intracellular signaling that leads to the development of bone marrow microenvironment-induced chemoprotection (BMC). Although extensive study has gone into these CAMs, including the development of targeted therapies, very little focus in hematologic malignancies has been put on a family of cell surface proteins that are just as important for mediating bone marrow interactions: the transmembrane 4 superfamily (tetraspanins; TSPANs). TSPANs are known to be important mediators of microenvironmental interactions and metastasis based on numerous studies in solid tumors. Recently, evidence of their possible role in hematologic malignancies, specifically in the regulation of cellular adhesion, bone marrow homing, intracellular signaling, and stem cell dynamics in malignant hematologic cells has come to light. Many of these effects are facilitated by associations with CAMs and other receptors on the cell surface in TSPAN-enriched microdomains. This could suggest that TSPANs play an important role in mediating BMC in hematologic malignancies and could be used as therapeutic targets. In this review, we discuss TSPAN structure and function in hematologic cells, their interactions with different cell surface and signaling proteins, and possible ways to target/inhibit their effects.
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Affiliation(s)
- Anthony Quagliano
- Lisa Dean Moseley Foundation Institute for Cancer and Blood Disorders, Nemours Children’s Hospital, Wilmington, DE
- Department of Biological Sciences, University of Delaware, Newark, DE
| | - Anilkumar Gopalakrishnapillai
- Lisa Dean Moseley Foundation Institute for Cancer and Blood Disorders, Nemours Children’s Hospital, Wilmington, DE
- Department of Biological Sciences, University of Delaware, Newark, DE
| | - Sonali P. Barwe
- Lisa Dean Moseley Foundation Institute for Cancer and Blood Disorders, Nemours Children’s Hospital, Wilmington, DE
- Department of Biological Sciences, University of Delaware, Newark, DE
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17
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Han P, Moran CS, Liu C, Griffiths R, Zhou Y, Ivanovski S. Engineered adult stem cells: Current clinical trials status of disease treatment. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 199:33-62. [PMID: 37678978 DOI: 10.1016/bs.pmbts.2023.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
Regenerative medicine is an interdisciplinary field involving the process of replacing and regenerating cells/tissues or organs by integrating medicine, science, and engineering principles to enhance the intrinsic regenerative capacity of the host. Recently, engineered adult stem cells have gained attention for their potential use in regenerative medicine by reducing inflammation and modulating the immune system. This chapter introduces adult stem cell engineering and chimeric antigen receptor T cells (CAR T) gene therapy and summarises current engineered stem cell- and extracellular vesicles (EVs)-focused clinical trial studies that provide the basis for the proposal of a personalised medicine approach to diseases diagnosis and treatment.
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Affiliation(s)
- Pingping Han
- Center for Oral-facial Regeneration, Rehabilitation and Reconstruction (COR3), Brisbane, QLD, Australia; The University of Queensland, School of Dentistry, Brisbane, QLD, Australia
| | - Corey Stephan Moran
- Center for Oral-facial Regeneration, Rehabilitation and Reconstruction (COR3), Brisbane, QLD, Australia; The University of Queensland, School of Dentistry, Brisbane, QLD, Australia
| | - Chun Liu
- Center for Oral-facial Regeneration, Rehabilitation and Reconstruction (COR3), Brisbane, QLD, Australia; The University of Queensland, School of Dentistry, Brisbane, QLD, Australia
| | | | - Yinghong Zhou
- Center for Oral-facial Regeneration, Rehabilitation and Reconstruction (COR3), Brisbane, QLD, Australia; The University of Queensland, School of Dentistry, Brisbane, QLD, Australia.
| | - Sašo Ivanovski
- Center for Oral-facial Regeneration, Rehabilitation and Reconstruction (COR3), Brisbane, QLD, Australia; The University of Queensland, School of Dentistry, Brisbane, QLD, Australia.
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18
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Cheng F, He J, Yang J. Bone marrow microenvironment: roles and therapeutic implications in obesity-associated cancer. Trends Cancer 2023; 9:566-577. [PMID: 37087397 PMCID: PMC10329995 DOI: 10.1016/j.trecan.2023.03.007] [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: 02/01/2023] [Revised: 03/17/2023] [Accepted: 03/28/2023] [Indexed: 04/24/2023]
Abstract
Obesity is increasing globally and has been closely linked to the initiation and progression of multiple human cancers. These relationships, to a large degree, are mediated through obesity-driven disruption of physiological homeostasis characterized by local and systemic endocrinologic, inflammatory, and metabolic changes. Bone marrow microenvironment (BMME), which evolves during obesity, has been implicated in multiple types of cancer. Growing evidence shows that physiological dysfunction of BMME with altered cellular composition, stromal and immune cell function, and energy metabolism, as well as inflammation and hypoxia, in the context of obesity contributes to cancer initiation and progression. Nonetheless, the mechanisms underlying the obesity-BMME-cancer axis remain elusive. In this review, we discuss the recent advances in understanding the evolution of BMME during obesity, its contributions to cancer initiation and progression, and the implications for cancer therapy.
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Affiliation(s)
- Feifei Cheng
- Houston Methodist Cancer Center, Houston Methodist Research Institute, Houston Methodist Hospital, Houston, TX, USA
| | - Jin He
- Houston Methodist Cancer Center, Houston Methodist Research Institute, Houston Methodist Hospital, Houston, TX, USA
| | - Jing Yang
- Houston Methodist Cancer Center, Houston Methodist Research Institute, Houston Methodist Hospital, Houston, TX, USA.
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19
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Oppezzo A, Monney L, Kilian H, Slimani L, Maczkowiak-Chartois F, Rosselli F. Fanca deficiency is associated with alterations in osteoclastogenesis that are rescued by TNFα. Cell Biosci 2023; 13:115. [PMID: 37355617 DOI: 10.1186/s13578-023-01067-7] [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: 02/21/2023] [Accepted: 06/09/2023] [Indexed: 06/26/2023] Open
Abstract
BACKGROUND Hematopoietic stem cells (HSCs) reside in the bone marrow (BM) niche, which includes bone-forming and bone-resorbing cells, i.e., osteoblasts (OBs) and osteoclasts (OCs). OBs originate from mesenchymal progenitors, while OCs are derived from HSCs. Self-renewal, proliferation and differentiation of HSCs are under the control of regulatory signals generated by OBs and OCs within the BM niche. Consequently, OBs and OCs control both bone physiology and hematopoiesis. Since the human developmental and bone marrow failure genetic syndrome fanconi anemia (FA) presents with skeletal abnormalities, osteoporosis and HSC impairment, we wanted to test the hypothesis that the main pathological abnormalities of FA could be related to a defect in OC physiology and/or in bone homeostasis. RESULTS We revealed here that the intrinsic differentiation of OCs from a Fanca-/- mouse is impaired in vitro due to overactivation of the p53-p21 axis and defects in NF-kB signaling. The OC differentiation abnormalities observed in vitro were rescued by treating Fanca-/- cells with the p53 inhibitor pifithrin-α, by treatment with the proinflammatory cytokine TNFα or by coculturing them with Fanca-proficient or Fanca-deficient osteoblastic cells. CONCLUSIONS Overall, our results highlight an unappreciated role of Fanca in OC differentiation that is potentially circumvented in vivo by the presence of OBs and TNFα in the BM niche.
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Affiliation(s)
- Alessia Oppezzo
- CNRS UMR9019, Équipe labellisée La Ligue contre le Cancer, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, 94805, Villejuif, France
- Gustave Roussy Cancer Center, Villejuif, France
- Université Paris Saclay, Orsay, France
- IFOM ETS, The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Lovely Monney
- CNRS UMR9019, Équipe labellisée La Ligue contre le Cancer, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, 94805, Villejuif, France
- Gustave Roussy Cancer Center, Villejuif, France
- Université Paris Saclay, Orsay, France
| | - Henri Kilian
- URP2496 Pathologies, Imagerie et Biothérapies Orofaciales et Plateforme Imagerie du Vivant (PIV), FHU-DDS-net, Dental School, Université de Paris, Montrouge, France
| | - Lofti Slimani
- URP2496 Pathologies, Imagerie et Biothérapies Orofaciales et Plateforme Imagerie du Vivant (PIV), FHU-DDS-net, Dental School, Université de Paris, Montrouge, France
| | - Frédérique Maczkowiak-Chartois
- CNRS UMR9019, Équipe labellisée La Ligue contre le Cancer, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, 94805, Villejuif, France
- Gustave Roussy Cancer Center, Villejuif, France
- Université Paris Saclay, Orsay, France
| | - Filippo Rosselli
- CNRS UMR9019, Équipe labellisée La Ligue contre le Cancer, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, 94805, Villejuif, France.
- Gustave Roussy Cancer Center, Villejuif, France.
- Université Paris Saclay, Orsay, France.
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20
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Ortiz GGR, Mohammadi Y, Nazari A, Ataeinaeini M, Kazemi P, Yasamineh S, Al-Naqeeb BZT, Zaidan HK, Gholizadeh O. A state-of-the-art review on the MicroRNAs roles in hematopoietic stem cell aging and longevity. Cell Commun Signal 2023; 21:85. [PMID: 37095512 PMCID: PMC10123996 DOI: 10.1186/s12964-023-01117-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 03/25/2023] [Indexed: 04/26/2023] Open
Abstract
Aging is a biological process determined through time-related cellular and functional impairments, leading to a decreased standard of living for the organism. Recently, there has been an unprecedented advance in the aging investigation, especially the detection that the rate of senescence is at least somewhat regulated via evolutionarily preserved genetic pathways and biological processes. Hematopoietic stem cells (HSCs) maintain blood generation over the whole lifetime of an organism. The senescence process influences many of the natural features of HSC, leading to a decline in their capabilities, independently of their microenvironment. New studies show that HSCs are sensitive to age-dependent stress and gradually lose their self-renewal and regeneration potential with senescence. MicroRNAs (miRNAs) are short, non-coding RNAs that post-transcriptionally inhibit translation or stimulate target mRNA cleavage of target transcripts via the sequence-particular connection. MiRNAs control various biological pathways and processes, such as senescence. Several miRNAs are differentially expressed in senescence, producing concern about their use as moderators of the senescence process. MiRNAs play an important role in the control of HSCs and can also modulate processes associated with tissue senescence in specific cell types. In this review, we display the contribution of age-dependent alterations, including DNA damage, epigenetic landscape, metabolism, and extrinsic factors, which affect HSCs function during aging. In addition, we investigate the particular miRNAs regulating HSCs senescence and age-associated diseases. Video Abstract.
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Affiliation(s)
- Geovanny Genaro Reivan Ortiz
- Laboratory of Basic Psychology, Behavioral Analysis and Programmatic Development (PAD-LAB), Catholic University of Cuenca, Cuenca, Ecuador
| | - Yasaman Mohammadi
- Faculty of Dentistry, Islamic Azad University, Shiraz Branch, Shiraz, Iran
| | - Ahmad Nazari
- Tehran University of Medical Sciences, Tehran, Iran
| | | | - Parisa Kazemi
- Faculty of Dentistry, Ilam University of Medical Sciences, Ilam, Iran
| | - Saman Yasamineh
- Stem Cell Research Center at, Tabriz University of Medical Sciences, Tabriz, Iran.
| | | | - Haider Kamil Zaidan
- Department of Medical Laboratories Techniques, Al-Mustaqbal University College, Hillah, Babylon, Iraq
| | - Omid Gholizadeh
- Research Center for Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran.
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de Janon A, Mantalaris A, Panoskaltsis N. Three-Dimensional Human Bone Marrow Organoids for the Study and Application of Normal and Abnormal Hematoimmunopoiesis. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 210:895-904. [PMID: 36947817 PMCID: PMC7614371 DOI: 10.4049/jimmunol.2200836] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 01/18/2023] [Indexed: 03/24/2023]
Abstract
Hematoimmunopoiesis takes place in the adult human bone marrow (BM), which is composed of heterogeneous niches with complex architecture that enables tight regulation of homeostatic and stress responses. There is a paucity of representative culture systems that recapitulate the heterogeneous three-dimensional (3D) human BM microenvironment and that can endogenously produce soluble factors and extracellular matrix that deliver culture fidelity for the study of both normal and abnormal hematopoiesis. Native BM lymphoid populations are also poorly represented in current in vitro and in vivo models, creating challenges for the study and treatment of BM immunopathology. BM organoid models leverage normal 3D organ structure to recreate functional niche microenvironments. Our focus herein is to review the current state of the art in the use of 3D BM organoids, focusing on their capacities to recreate critical quality attributes of the in vivo BM microenvironment for the study of human normal and abnormal hematopoiesis.
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Affiliation(s)
- Alejandro de Janon
- BioMedical Systems Engineering Laboratory, Wallace H. Coulter Department of Biomedical Engineering, The Georgia Institute of Technology, Atlanta, GA, USA
| | - Athanasios Mantalaris
- BioMedical Systems Engineering Laboratory, Wallace H. Coulter Department of Biomedical Engineering, The Georgia Institute of Technology, Atlanta, GA, USA
- School of Pharmacy & Pharmaceutical Sciences, Trinity College Dublin, Ireland
- National Institute for Bioprocessing Research and Training, Ireland
| | - Nicki Panoskaltsis
- BioMedical Systems Engineering Laboratory, Wallace H. Coulter Department of Biomedical Engineering, The Georgia Institute of Technology, Atlanta, GA, USA
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
- School of Pharmacy & Pharmaceutical Sciences, Trinity College Dublin, Ireland
- Department of Haematology, St. James’s Hospital Dublin, Ireland
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22
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Extracellular Vesicles and MicroRNA in Myelodysplastic Syndromes. Cells 2023; 12:cells12040658. [PMID: 36831325 PMCID: PMC9955013 DOI: 10.3390/cells12040658] [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: 12/26/2022] [Revised: 02/09/2023] [Accepted: 02/17/2023] [Indexed: 02/22/2023] Open
Abstract
The bone marrow niche plays an increasing role in the pathophysiogenesis of myelodysplastic syndromes. More specifically, mesenchymal stromal cells, which can secrete extracellular vesicles and their miRNA contents, modulate the fate of hematopoietic stem cells leading to leukemogenesis. Extracellular vesicles can mediate their miRNA and protein contents between nearby cells but also in the plasma of the patients, being potent tools for diagnosis and prognostic markers in MDS. They can be targeted by antisense miRNA or by modulators of the secretion of extracellular vesicles and could lead to future therapeutic directions in MDS.
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23
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Dorofeeva AI, Shipunova IN, Luchkin AV, Abramova AV, Fidarova ZT, Dvirnyk VN, Galtseva IV, Mikhailova EA, Parovichnikova EN. Differences in the Differentiation Potential and Relative Levels of Gene Expression in the Bone Marrow-Derived Fibroblast Colony-Forming Units in Patients during the Onset of Aplastic Anemia Depending on the Disease Severity. Bull Exp Biol Med 2023; 174:538-543. [PMID: 36899207 DOI: 10.1007/s10517-023-05744-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Indexed: 03/12/2023]
Abstract
The differentiation potential of individual clones of fibroblast CFU (CFU-F) was studied and the relative expression level of genes was analyzed in the culture of CFU-F from the bone marrow in patients with non-severe and severe forms of aplastic anemia at the onset of the disease. The differentiation potential of CFU-F clones was determined by the relative expression of marker genes using quantitative PCR. In aplastic anemia, the ratio of CFU-F clones with different differentiation potential changes, but the molecular mechanisms of this phenomenon are different in non-severe and severe aplastic anemia. In the culture of CFU-F in non-severe and severe aplastic anemia, the relative expression level of genes associated with the maintenance of the hematopoietic stem cell in the bone marrow niche changes, but the decrease in the expression of immunoregulatory genes occurs in severe form only, which may reflect differences in the pathogenesis of non-severe and severe aplastic anemia.
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Affiliation(s)
- A I Dorofeeva
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - I N Shipunova
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia.
| | - A V Luchkin
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - A V Abramova
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Z T Fidarova
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - V N Dvirnyk
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - I V Galtseva
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - E A Mikhailova
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - E N Parovichnikova
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
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24
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Alghamdi A, Tamra A, Rakhmatulina A, Nozue S, Al-Amoodi AS, Aldehaiman MM, Isaioglou I, Merzaban JS, Habuchi S. Nanoscopic Characterization of Cell Migration under Flow Using Optical and Electron Microscopy. Anal Chem 2023; 95:1958-1966. [PMID: 36627105 PMCID: PMC9878504 DOI: 10.1021/acs.analchem.2c04222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 12/27/2022] [Indexed: 01/12/2023]
Abstract
Hematopoietic stem/progenitor cell (HSPC) and leukemic cell homing is an important biological phenomenon that takes place through essential interactions with adhesion molecules on an endothelial cell layer. The homing process of HSPCs begins with the tethering and rolling of the cells on the endothelial layer, which is achieved by the interaction between selectins on the endothelium to the ligands on HSPC/leukemic cells under shear stress of the blood flow. Although many studies have been based on in vitro conditions of the cells rolling over recombinant proteins, significant challenges remain when imaging HSPC/leukemic cells on the endothelium, a necessity when considering characterizing cell-to-cell interaction and rolling dynamics during cell migration. Here, we report a new methodology that enables imaging of stem-cell-intrinsic spatiotemporal details during its migration on an endothelium-like cell monolayer. We developed optimized protocols that preserve transiently appearing structures on HSPCs/leukemic cells during its rolling under shear stress for fluorescence and scanning electron microscopy characterization. Our new experimental platform is closer to in vivo conditions and will contribute to indepth understanding of stem-cell behavior during its migration and cell-to-cell interaction during the process of homing.
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Affiliation(s)
| | | | | | - Shuho Nozue
- Biological and Environmental
Science and Engineering Division, King Abdullah
University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Asma S. Al-Amoodi
- Biological and Environmental
Science and Engineering Division, King Abdullah
University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Mansour M. Aldehaiman
- Biological and Environmental
Science and Engineering Division, King Abdullah
University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Ioannis Isaioglou
- Biological and Environmental
Science and Engineering Division, King Abdullah
University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Jasmeen S. Merzaban
- Biological and Environmental
Science and Engineering Division, King Abdullah
University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Satoshi Habuchi
- Biological and Environmental
Science and Engineering Division, King Abdullah
University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
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25
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Picoli CC, Martins PR, Wong XLC, Righi T, Guimarães PPG, Pinto MCX, Amorim JH, Azevedo VAC, Pereira SR, Kanashiro A, Cruz FC, Resende RR, Mintz A, Frenette PS, Birbrair A. Whole bone subcutaneous transplantation as a strategy to study precisely the bone marrow niche. Stem Cell Rev Rep 2022; 19:906-927. [PMID: 36585572 DOI: 10.1007/s12015-022-10496-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/15/2022] [Indexed: 01/01/2023]
Abstract
Hematopoietic stem cells are maintained in a specialized microenvironment, known as the 'niche', within the bone marrow. Understanding the contribution of cellular and molecular components within the bone marrow niche for the maintenance of hematopoietic stem cells is crucial for the success of therapeutic applications. So far, the roles of crucial mechanisms within the bone marrow niche have been explored in transgenic animals in which genetic modifications are ubiquitously introduced in the whole body. The lack of precise tools to explore genetic alterations exclusively within the bone marrow prevents our determination of whether the observed outcomes result from confounding effects from other organs. Here, we developed a new method - 'whole bone subcutaneous transplantation'- to study the bone marrow niche in transgenic animals precisely. Using immunolabeling of CD45.1 (donor) vs. CD45.2 (recipient) hematopoeitic stem cells, we demonstrated that hematopoeitic stem cells from the host animals colonize the subcutaneously transplanted femurs after transplantation, while the hematopoietic stem cells from the donor disappear. Strikinlgy, the bone marrow niche of these subcutaneously transplanted femurs remain from the donor mice, enabling us to study specifically cells of the bone marrow niche using this model. We also showed that genetic ablation of peri-arteriolar cells specifically in donor femurs reduced the numbers of hematopoietic stem cells in these bones. This supports the use of this strategy as a model, in combination with genetic tools, to evaluate how bone marrow niche specific modifications may impact non-modified hematopoietic stem cells. Thus, this approach can be utilized for genetic manipulation in vivo of specific cell types only within the bone marrow. The combination of whole bone subcutaneous transplantation with rodent transgenic models will facilitate a more precise, complex and comprehensive understanding of existing problems in the study of the hematopoietic stem cell bone marrow niche.
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Affiliation(s)
- Caroline C Picoli
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Xiao Lin Casey Wong
- Department of Dermatology, University of Wisconsin-Madison, Medical Sciences Center, Rm 4385, 1300 University Avenue, Madison, WI, 53706, USA
| | - Thamires Righi
- Department of Dermatology, University of Wisconsin-Madison, Medical Sciences Center, Rm 4385, 1300 University Avenue, Madison, WI, 53706, USA.,Department of Pharmacology, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Pedro P G Guimarães
- Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Mauro C X Pinto
- Institute of Biological Sciences, Federal University of Goiás, Goiânia, GO, Brazil
| | - Jaime H Amorim
- Center of Biological Sciences and Health, Federal University of West Bahia, Barreiras, BA, Brazil
| | - Vasco A C Azevedo
- Department of Genetics, Ecology and Evolution, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Alexandre Kanashiro
- Department of Dermatology, University of Wisconsin-Madison, Medical Sciences Center, Rm 4385, 1300 University Avenue, Madison, WI, 53706, USA
| | - Fabio Cardoso Cruz
- Department of Pharmacology, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Rodrigo R Resende
- Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Paul S Frenette
- Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York, NY, USA.,Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA.,Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil. .,Department of Dermatology, University of Wisconsin-Madison, Medical Sciences Center, Rm 4385, 1300 University Avenue, Madison, WI, 53706, USA. .,Department of Radiology, Columbia University Medical Center, New York, NY, USA.
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26
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Egbuna C, Patrick-Iwuanyanwu KC, Onyeike EN, Khan J, Alshehri B. FMS-like tyrosine kinase-3 (FLT3) inhibitors with better binding affinity and ADMET properties than sorafenib and gilteritinib against acute myeloid leukemia: in silico studies. J Biomol Struct Dyn 2022; 40:12248-12259. [PMID: 34486940 DOI: 10.1080/07391102.2021.1969286] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Over 30-35% of patients down with AML are caused by mutations of FLT3-ITD and FLT3-TKD which keeps the protein activated while it activates other signaling proteins downstream that are involved in cell proliferation, differentiation, and survival. As drug targets, many inhibitors are already in clinical practice. Unfortunately, the average overall survival rate for patients on medication suffering from AML is 5 years despite the huge efforts in this field. To perform docking simulation and ADMET studies on selected phytochemicals against FLT3 protein receptor for drug discovery against FLT3 induced AML, molecular docking simulation was performed using human FLT3 protein target (PDB ID: 6JQR) and 313 phytochemicals with standard anticancer drugs (Sorafenib and Gilteritinib in addition to other anticancer drugs). The crystal structure of the protein was downloaded from the protein data bank and prepared using Biovia Discovery Studio. The chemical structures of the phytochemicals were downloaded from the NCBI PubChem database and prepared using Open Babel and VConf softwares. Molecular docking was performed using PyRx on Autodock Vina. The ADMET properties of the best performing compounds were calculated using SwissADME and pkCMS web servers. The results obtained showed that glabridin, ellipticine and derivatives (elliptinium and 9-methoxyellipticine), mezerein, ursolic acid, formononetin, cycloartocarpesin, hypericin, silymarin, and indirubin are the best performing compounds better than sorafenib and gilteritinib based on their binding affinities. The top-performing compounds which had better binding and ADMET properties than sorafenib and gilteritinib could serve as scaffolds or leads for new drug discovery against FLT3 induced AML.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Chukwuebuka Egbuna
- Africa Centre of Excellence in Public Health and Toxicological Research (ACE-PUTOR), University of Port-Harcourt, Port Harcourt, Rivers State, Nigeria.,Department of Biochemistry, Faculty of Science, University of Port Harcourt, Port Harcourt, Rivers State, Nigeria.,Department of Biochemistry, Faculty of Natural Sciences, Chukwuemeka Odumegwu Ojukwu University, Uli, Anambra State, Nigeria
| | - Kingsley C Patrick-Iwuanyanwu
- Africa Centre of Excellence in Public Health and Toxicological Research (ACE-PUTOR), University of Port-Harcourt, Port Harcourt, Rivers State, Nigeria.,Department of Biochemistry, Faculty of Science, University of Port Harcourt, Port Harcourt, Rivers State, Nigeria
| | - Eugene N Onyeike
- Africa Centre of Excellence in Public Health and Toxicological Research (ACE-PUTOR), University of Port-Harcourt, Port Harcourt, Rivers State, Nigeria.,Department of Biochemistry, Faculty of Science, University of Port Harcourt, Port Harcourt, Rivers State, Nigeria
| | - Johra Khan
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Majmaah, Saudia Arabia.,Health and Basic Sciences Research Center, Majmaah University, Majmaah, Saudi Arabia
| | - Bader Alshehri
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Majmaah, Saudia Arabia.,Health and Basic Sciences Research Center, Majmaah University, Majmaah, Saudi Arabia
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27
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Liu Q, Lee JH, Kang HM, Kim CH. Identification of the niche and mobilization mechanism for tissue-protective multipotential bone marrow ILC progenitors. SCIENCE ADVANCES 2022; 8:eabq1551. [PMID: 36417511 PMCID: PMC9683709 DOI: 10.1126/sciadv.abq1551] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
Innate lymphoid cells (ILCs) play crucial roles in maintenance and defense of peripheral tissues but would undergo natural and inflammation-induced attrition over time. A potential solution to counteract the peripheral ILC attrition would be regulated mobilization of bone marrow (BM) ILC progenitors. The major multipotential ILC progenitors (ILCPs) are divided into two subsets in distinct niches of the BM. Sinusoid ILCPs emigrate from the BM to circulate the peripheral blood. In contrast, parenchyma ILCPs are more likely in cell cycling and less likely to emigrate BM. The mobilization of BM ILCPs is internally and externally controlled by the coordinated expression of the BM retention receptors (Itg-α4 and CXCR4) and the emigration receptors sphingosine-1-phosphate (S1P) receptors. The expression of the BM retention and emigration receptors is developmentally regulated in the steady state and by the inflammasome-derived IL-18. Upon infusion, sinusoid ILCPs can effectively restore peripheral ILC insufficiency and tissue integrity during inflammatory responses.
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Affiliation(s)
- Qingyang Liu
- Department of Pathology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Mary H. Weiser Food Allergy Center, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Immunology Graduate Program, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jun Hee Lee
- Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Hyun Min Kang
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI 48109, USA
| | - Chang H Kim
- Department of Pathology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Mary H. Weiser Food Allergy Center, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
- Immunology Graduate Program, University of Michigan, Ann Arbor, MI 48109, USA
- Rogel Cancer Center, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA
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28
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Cruz LJ, Rezaei S, Grosveld F, Philipsen S, Eich C. Nanoparticles targeting hematopoietic stem and progenitor cells: Multimodal carriers for the treatment of hematological diseases. Front Genome Ed 2022; 4:1030285. [PMID: 36407494 PMCID: PMC9666682 DOI: 10.3389/fgeed.2022.1030285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 10/10/2022] [Indexed: 10/03/2023] Open
Abstract
Modern-day hematopoietic stem cell (HSC) therapies, such as gene therapy, modify autologous HSCs prior to re-infusion into myelo-conditioned patients and hold great promise for treatment of hematological disorders. While this approach has been successful in numerous clinical trials, it relies on transplantation of ex vivo modified patient HSCs, which presents several limitations. It is a costly and time-consuming procedure, which includes only few patients so far, and ex vivo culturing negatively impacts on the viability and stem cell-properties of HSCs. If viral vectors are used, this carries the additional risk of insertional mutagenesis. A therapy delivered to HSCs in vivo, with minimal disturbance of the HSC niche, could offer great opportunities for novel treatments that aim to reverse disease symptoms for hematopoietic disorders and could bring safe, effective and affordable genetic therapies to all parts of the world. However, substantial unmet needs exist with respect to the in vivo delivery of therapeutics to HSCs. In the last decade, in particular with the development of gene editing technologies such as CRISPR/Cas9, nanoparticles (NPs) have become an emerging platform to facilitate the manipulation of cells and organs. By employing surface modification strategies, different types of NPs can be designed to target specific tissues and cell types in vivo. HSCs are particularly difficult to target due to the lack of unique cell surface markers that can be utilized for cell-specific delivery of therapeutics, and their shielded localization in the bone marrow (BM). Recent advances in NP technology and genetic engineering have resulted in the development of advanced nanocarriers that can deliver therapeutics and imaging agents to hematopoietic stem- and progenitor cells (HSPCs) in the BM niche. In this review we provide a comprehensive overview of NP-based approaches targeting HSPCs to control and monitor HSPC activity in vitro and in vivo, and we discuss the potential of NPs for the treatment of malignant and non-malignant hematological disorders, with a specific focus on the delivery of gene editing tools.
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Affiliation(s)
- Luis J. Cruz
- Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, Netherlands
| | - Somayeh Rezaei
- Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, Netherlands
| | - Frank Grosveld
- Erasmus University Medical Center, Department of Cell Biology, Rotterdam, Netherlands
| | - Sjaak Philipsen
- Erasmus University Medical Center, Department of Cell Biology, Rotterdam, Netherlands
| | - Christina Eich
- Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, Netherlands
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29
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Abstract
Lifestyle factors are modifiable behavioral factors that have a significant impact on health and longevity. Diet-induced obesity and physical activity/exercise are two prevalent lifestyle factors that have strong relationships to overall health. The mechanisms linking obesity to negative health outcomes and the mechanisms linking increased participation in physical activity/exercise to positive health outcomes are beginning to be elucidated. Chronic inflammation, due in part to overproduction of myeloid cells from hematopoietic stem cells (HSCs) in the bone marrow, is an established mechanism responsible for the negative health effects of obesity. Recent work has shown that exercise training can reverse the aberrant myelopoiesis present in obesity in part by restoring the bone marrow microenvironment. Specifically, exercise training reduces marrow adipose tissue, increases HSC retention factor expression, and reduces pro-inflammatory cytokine levels in the bone marrow. Other, novel mechanistic factors responsible for these exercise-induced effects, including intercellular communication using extracellular vesicles (EVs), is beginning to be explored. This review will summarize the recent literature describing the effects of exercise on hematopoiesis in individuals with obesity and introduce the potential contribution of EVs to this process.
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30
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Liu J, Gao J, Liang Z, Gao C, Niu Q, Wu F, Zhang L. Mesenchymal stem cells and their microenvironment. STEM CELL RESEARCH & THERAPY 2022; 13:429. [PMID: 35987711 PMCID: PMC9391632 DOI: 10.1186/s13287-022-02985-y] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 04/28/2022] [Indexed: 11/10/2022]
Abstract
Mesenchymal stem cells (MSCs), coming from a wide range of sources, have multi-directional differentiation ability. MSCs play vital roles in immunomodulation, hematopoiesis and tissue repair. The microenvironment of cells often refers to the intercellular matrix, other cells, cytokines and humoral components. It is also the place for cells’ interaction. The stability of the microenvironment is pivotal for maintaining cell proliferation, differentiation, metabolism and functional activities. Abnormal changes in microenvironment components can interfere cell functions. In some diseases, MSCs can interact with the microenvironment and accelerate disease progression. This review will discuss the characteristics of MSCs and their microenvironment, as well as the interaction between MSCs and microenvironment in disease.
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31
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Talaat IM, Kim B. A brief glimpse of a tangled web in a small world: Tumor microenvironment. Front Med (Lausanne) 2022; 9:1002715. [PMID: 36045917 PMCID: PMC9421133 DOI: 10.3389/fmed.2022.1002715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 07/28/2022] [Indexed: 12/20/2022] Open
Abstract
A tumor is a result of stepwise accumulation of genetic and epigenetic alterations. This notion has deepened the understanding of cancer biology and has introduced the era of targeted therapies. On the other hand, there have been a series of attempts of using the immune system to treat tumors, dating back to ancient history, to sporadic reports of inflamed tumors undergoing spontaneous regression. This was succeeded by modern immunotherapies and immune checkpoint inhibitors. The recent breakthrough has broadened the sight to other players within tumor tissue. Tumor microenvironment is a niche or a system orchestrating reciprocal and dynamic interaction of various types of cells including tumor cells and non-cellular components. The output of this complex communication dictates the functions of the constituent elements present within it. More complicated factors are biochemical and biophysical settings unique to TME. This mini review provides a brief guide on a range of factors to consider in the TME research.
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Affiliation(s)
- Iman M. Talaat
- Clinical Sciences Department, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Byoungkwon Kim
- Department of Pathology, H.H. Sheikh Khalifa Specialty Hospital, Ras Al Khaimah, United Arab Emirates
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32
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Hoang DM, Pham PT, Bach TQ, Ngo ATL, Nguyen QT, Phan TTK, Nguyen GH, Le PTT, Hoang VT, Forsyth NR, Heke M, Nguyen LT. Stem cell-based therapy for human diseases. Signal Transduct Target Ther 2022; 7:272. [PMID: 35933430 PMCID: PMC9357075 DOI: 10.1038/s41392-022-01134-4] [Citation(s) in RCA: 288] [Impact Index Per Article: 144.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 07/19/2022] [Accepted: 07/21/2022] [Indexed: 02/07/2023] Open
Abstract
Recent advancements in stem cell technology open a new door for patients suffering from diseases and disorders that have yet to be treated. Stem cell-based therapy, including human pluripotent stem cells (hPSCs) and multipotent mesenchymal stem cells (MSCs), has recently emerged as a key player in regenerative medicine. hPSCs are defined as self-renewable cell types conferring the ability to differentiate into various cellular phenotypes of the human body, including three germ layers. MSCs are multipotent progenitor cells possessing self-renewal ability (limited in vitro) and differentiation potential into mesenchymal lineages, according to the International Society for Cell and Gene Therapy (ISCT). This review provides an update on recent clinical applications using either hPSCs or MSCs derived from bone marrow (BM), adipose tissue (AT), or the umbilical cord (UC) for the treatment of human diseases, including neurological disorders, pulmonary dysfunctions, metabolic/endocrine-related diseases, reproductive disorders, skin burns, and cardiovascular conditions. Moreover, we discuss our own clinical trial experiences on targeted therapies using MSCs in a clinical setting, and we propose and discuss the MSC tissue origin concept and how MSC origin may contribute to the role of MSCs in downstream applications, with the ultimate objective of facilitating translational research in regenerative medicine into clinical applications. The mechanisms discussed here support the proposed hypothesis that BM-MSCs are potentially good candidates for brain and spinal cord injury treatment, AT-MSCs are potentially good candidates for reproductive disorder treatment and skin regeneration, and UC-MSCs are potentially good candidates for pulmonary disease and acute respiratory distress syndrome treatment.
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Affiliation(s)
- Duc M Hoang
- Department of Research and Development, Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, Hanoi, Vietnam.
| | - Phuong T Pham
- Department of Cellular Therapy, Vinmec High-Tech Center, Vinmec Healthcare System, Hanoi, Vietnam
| | - Trung Q Bach
- Department of Research and Development, Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, Hanoi, Vietnam
| | - Anh T L Ngo
- Department of Cellular Therapy, Vinmec High-Tech Center, Vinmec Healthcare System, Hanoi, Vietnam
| | - Quyen T Nguyen
- Department of Research and Development, Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, Hanoi, Vietnam
| | - Trang T K Phan
- Department of Research and Development, Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, Hanoi, Vietnam
| | - Giang H Nguyen
- Department of Research and Development, Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, Hanoi, Vietnam
| | - Phuong T T Le
- Department of Research and Development, Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, Hanoi, Vietnam
| | - Van T Hoang
- Department of Research and Development, Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, Hanoi, Vietnam
| | - Nicholas R Forsyth
- Institute for Science & Technology in Medicine, Keele University, Keele, UK
| | - Michael Heke
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Liem Thanh Nguyen
- Department of Research and Development, Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, Hanoi, Vietnam
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33
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Gilson Sena IF, Fernandes LL, Lorandi LL, Santana TV, Cintra L, Lima IF, Iwai LK, Kramer JM, Birbrair A, Heller D. Identification of early biomarkers in saliva in genetically engineered mouse model C(3)1-TAg of breast cancer. Sci Rep 2022; 12:11544. [PMID: 35798767 PMCID: PMC9263110 DOI: 10.1038/s41598-022-14514-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 06/08/2022] [Indexed: 11/09/2022] Open
Abstract
Breast cancer is one of leading causes of death worldwide in the female population. Deaths from breast cancer could be reduced significantly through earlier and more efficient detection of the disease. Saliva, an oral fluid that contains an abundance of protein biomarkers, has been recognized as a promising diagnostic biofluid that is easy to isolate through non-invasive techniques. Assays on saliva can be performed rapidly and are cost-effective. Therefore, our work aimed to identify salivary biomarkers present in the initial stages of breast cancer, where cell alterations are not yet detectable by histopathological analysis. Using state-of-the-art techniques, we employed a transgenic mouse model of mammary cancer to identify molecular changes in precancerous stage breast cancer through protein analysis in saliva. Through corroborative molecular approaches, we established that proteins related to metabolic changes, inflammatory process and cell matrix degradation are detected in saliva at the onset of tumor development. Our work demonstrated that salivary protein profiles can be used to identify cellular changes associated with precancerous stage breast cancer through non-invasive means even prior to biopsy-evident disease.
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Affiliation(s)
| | | | | | | | | | - Ismael Feitosa Lima
- Laboratory of Applied Toxicology, Center of Toxins, Immune-Response and Cell Signaling (LETA/CeTICS), Instituto Butantan, São Paulo, Brazil
| | - Leo Kei Iwai
- Laboratory of Applied Toxicology, Center of Toxins, Immune-Response and Cell Signaling (LETA/CeTICS), Instituto Butantan, São Paulo, Brazil
| | - Jill M Kramer
- Department of Oral Biology, School of Dental Medicine, The University of Buffalo, State University of New York, Buffalo, NY, USA
| | - Alexander Birbrair
- Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil. .,Department of Dermatology, Medical Sciences Center, University of Wisconsin-Madison, Rm 4385, 1300 University Avenue, Madison, WI, 53706, USA. .,Department of Radiology, Columbia University Medical Center, New York, NY, USA.
| | - Débora Heller
- Post Graduate Program in Dentistry, Cruzeiro do Sul University, São Paulo, Brazil. .,Hospital Israelita Albert Einstein, São Paulo, Brazil. .,Department of Periodontology, University of Texas Health Science Center San Antonio, San Antonio, TX, USA.
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34
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Senra D, Guisoni N, Diambra L. ORIGINS: a protein network-based approach to quantify cell pluripotency from scRNA-seq data. MethodsX 2022; 9:101778. [PMID: 35855951 PMCID: PMC9287638 DOI: 10.1016/j.mex.2022.101778] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 06/28/2022] [Indexed: 11/27/2022] Open
Abstract
Trajectory inference is a common application of scRNA-seq data. However, it is often necessary to previously determine the origin of the trajectories, the stem or progenitor cells. In this work, we propose a computational tool to quantify pluripotency from single cell transcriptomics data. This approach uses the protein-protein interaction (PPI) network associated with the differentiation process as a scaffold and the gene expression matrix to calculate a score that we call differentiation activity. This score reflects how active the differentiation network is in each cell. We benchmark the performance of our algorithm with two previously published tools, LandSCENT (Chen et al., 2019) and CytoTRACE (Gulati et al., 2020), for four healthy human data sets: breast, colon, hematopoietic and lung. We show that our algorithm is more efficient than LandSCENT and requires less RAM memory than the other programs. We also illustrate a complete workflow from the count matrix to trajectory inference using the breast data set.ORIGINS is a methodology to quantify pluripotency from scRNA-seq data implemented as a freely available R package. ORIGINS uses the protein-protein interaction network associated with differentiation and the data set expression matrix to calculate a score (differentiation activity) that quantifies pluripotency for each cell.
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35
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Urbanczyk M, Zbinden A, Schenke-Layland K. Organ-specific endothelial cell heterogenicity and its impact on regenerative medicine and biomedical engineering applications. Adv Drug Deliv Rev 2022; 186:114323. [PMID: 35568103 DOI: 10.1016/j.addr.2022.114323] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 04/23/2022] [Accepted: 05/05/2022] [Indexed: 02/08/2023]
Abstract
Endothelial cells (ECs) are a key cellular component of the vascular system as they form the inner lining of the blood vessels. Recent findings highlight that ECs express extensive phenotypic heterogenicity when following the vascular tree from the major vasculature down to the organ capillaries. However, in vitro models, used for drug development and testing, or to study the role of ECs in health and disease, rarely acknowledge this EC heterogenicity. In this review, we highlight the main differences between different EC types, briefly summarize their different characteristics and focus on the use of ECs in in vitro models. We introduce different approaches on how ECs can be utilized in co-culture test systems in the field of brain, pancreas, and liver research to study the role of the endothelium in health and disease. Finally, we discuss potential improvements to current state-of-the-art in vitro models and future directions.
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36
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Maynard RS, Hellmich C, Bowles KM, Rushworth SA. Acute Myeloid Leukaemia Drives Metabolic Changes in the Bone Marrow Niche. Front Oncol 2022; 12:924567. [PMID: 35847950 PMCID: PMC9277016 DOI: 10.3389/fonc.2022.924567] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 06/03/2022] [Indexed: 11/30/2022] Open
Abstract
Acute myeloid leukaemia (AML) is a highly proliferative cancer characterised by infiltration of immature haematopoietic cells in the bone marrow (BM). AML predominantly affects older people and outcomes, particularly in this difficult to treat population remain poor, in part due to inadequate response to therapy, and treatment toxicity. Normal haematopoiesis is supported by numerous support cells within the BM microenvironment or niche, including adipocytes, stromal cells and endothelial cells. In steady state haematopoiesis, haematopoietic stem cells (HSCs) primarily acquire ATP through glycolysis. However, during stress-responses HSCs rapidly transition to oxidative phosphorylation, enabled by mitochondrial plasticity. Historically it was thought that cancer cells preferentially used glycolysis for ATP production, however recently it has become evident that many cancers, including AML primarily use the TCA cycle and oxidative phosphorylation for rapid proliferation. AML cells hijack the stress-response pathways of their non-malignant counterparts, utilising mitochondrial changes to drive expansion. In addition, amino acids are also utilised by leukaemic stem cells to aid their metabolic output. Together, these processes allow AML cells to maximise their ATP production, using multiple metabolites and fuelling rapid cell turnover which is a hallmark of the disease. This review of AML derived changes in the BM niche, which enable enhanced metabolism, will consider the important pathways and discuss future challenges with a view to understanding how AML cells are able to hijack metabolic pathways and how we may elucidate new targets for potential therapies.
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Affiliation(s)
- Rebecca S. Maynard
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
| | - Charlotte Hellmich
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
- Department of Haematology, Norfolk and Norwich University Hospitals NHS Trust, Norwich, United Kingdom
| | - Kristian M. Bowles
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
- Department of Haematology, Norfolk and Norwich University Hospitals NHS Trust, Norwich, United Kingdom
| | - Stuart A. Rushworth
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
- *Correspondence: Stuart A. Rushworth,
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Yuan X, Sun L. Stem Cell Therapy in Lupus. RHEUMATOLOGY AND IMMUNOLOGY RESEARCH 2022; 3:61-68. [PMID: 36465325 PMCID: PMC9524813 DOI: 10.2478/rir-2022-0011] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 05/25/2022] [Indexed: 06/17/2023]
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune and inflammatory disease with multiple organs and systems involved such as the kidney, lung, brain and the hematopoietic system. Although increased knowledge of the disease pathogenesis has improved treatment options, current immunosuppressive therapies have failed to prevent disease relapse in more than half of treated patients. Thus, the cell replacement therapy approach that aims to overcome adverse events of traditional treatment and improve recovery rate of refractory SLE is considered as an alternative treatment option. A large number of animal studies and clinical trials have shown stem cell therapy to be a promising therapeutic approach for the treatment of SLE. Since the first transplantation into human patients, several stem cell types have been applied in this field, including hematopoietic stem cells (HSCs) and mesenchymal stem cells (MSCs). In this review, we overview different cell sources of stem cells and applications of the stem cell therapy for treatment of SLE, as well as the comparison between HSCs transplantation (HSCT) and MSCs transplantation (MSCT).
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Affiliation(s)
- Xinran Yuan
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, China
| | - Lingyun Sun
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, China
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Menter T, Tzankov A. Tumor Microenvironment in Acute Myeloid Leukemia: Adjusting Niches. Front Immunol 2022; 13:811144. [PMID: 35273598 PMCID: PMC8901718 DOI: 10.3389/fimmu.2022.811144] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 02/03/2022] [Indexed: 12/19/2022] Open
Abstract
Acute myeloid leukemias (AML) comprise a wide array of different entities, which have in common a rapid expansion of myeloid blast cells leading to displacement of normal hematopoietic cells and also disruption of the microenvironment in the bone marrow niches. Based on an insight into the complex cellular interactions in the bone marrow niches in non-neoplastic conditions in general, this review delineates the complex relationship between leukemic cells and reactive cells of the tumor microenvironment (TME) in AML. A special focus is directed on niche cells and various T-cell subsets as these also provide a potential therapeutic rationale considering e.g. immunomodulation. The TME of AML on the one hand plays a vital role for sustaining and promoting leukemogenesis but - on the other hand - it also has adverse effects on abnormal blasts developing into overt leukemia hindering their proliferation and potentially removing such cells. Thus, leukemic cells need to and develop strategies in order to manipulate the TME. Interference with those strategies might be of particular therapeutic potential since mechanisms of resistance related to tumor cell plasticity do not apply to it.
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Affiliation(s)
- Thomas Menter
- Pathology, Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Alexandar Tzankov
- Pathology, Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Basel, Switzerland
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CD4+ and CD8+ T-cell responses in bone marrow to fatty acids in high-fat diets. J Nutr Biochem 2022; 107:109057. [DOI: 10.1016/j.jnutbio.2022.109057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 03/23/2022] [Accepted: 04/06/2022] [Indexed: 12/30/2022]
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Bernardes SS, Pinto MCX, Amorim JH, Azevedo VADC, Resende RR, Mintz A, Birbrair A. Glioma Pericytes Promote Angiogenesis by Producing Periostin. Cell Mol Neurobiol 2022; 42:557-564. [PMID: 33010018 PMCID: PMC8018985 DOI: 10.1007/s10571-020-00975-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 09/27/2020] [Indexed: 12/14/2022]
Abstract
Glioma is the prevalent aggressive primary brain tumor, with a very poor prognosis. The absence of advanced understanding of the roles played by the cells within the glioma microenvironment limits the development of effective drugs. A recent study indicates that periostin expressed by pericytes is crucial for glioma angiogenesis. Here, we describe succinctly the results and implications of this discovery in what we know about pericytes within the glioma microenvironment. The emerging knowledge from this work will benefit the development of therapies for gliomas.
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Affiliation(s)
- Sara Santos Bernardes
- Tissue Microenvironment Laboratory, Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Mauro Cunha Xavier Pinto
- Laboratory of Neuropharmacology and Neurochemistry, Institute of Biological Sciences, Federal University of Goiás, Goiânia, GO, Brazil
| | - Jaime Henrique Amorim
- Center of Biological Sciences and Health, Federal University of West Bahia, Barreiras, BA, Brazil
| | - Vasco Ariston de Carvalho Azevedo
- Cellular and Molecular Genetics Laboratory, Department of Genetics, Ecology and Evolution, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Rodrigo Ribeiro Resende
- Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Akiva Mintz
- Department of Radiology, Columbia University Medical Center, New York, NY, USA
| | - Alexander Birbrair
- Tissue Microenvironment Laboratory, Department of Pathology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil.
- Department of Radiology, Columbia University Medical Center, New York, NY, USA.
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41
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Wu S, Zhou T, Tian T. A robust method for designing multistable systems by embedding bistable subsystems. NPJ Syst Biol Appl 2022; 8:10. [PMID: 35338169 PMCID: PMC8956579 DOI: 10.1038/s41540-022-00220-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 02/15/2022] [Indexed: 12/21/2022] Open
Abstract
Although multistability is an important dynamic property of a wide range of complex systems, it is still a challenge to develop mathematical models for realising high order multistability using realistic regulatory mechanisms. To address this issue, we propose a robust method to develop multistable mathematical models by embedding bistable models together. Using the GATA1-GATA2-PU.1 module in hematopoiesis as the test system, we first develop a tristable model based on two bistable models without any high cooperative coefficients, and then modify the tristable model based on experimentally determined mechanisms. The modified model successfully realises four stable steady states and accurately reflects a recent experimental observation showing four transcriptional states. In addition, we develop a stochastic model, and stochastic simulations successfully realise the experimental observations in single cells. These results suggest that the proposed method is a general approach to develop mathematical models for realising multistability and heterogeneity in complex systems.
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Affiliation(s)
- Siyuan Wu
- School of Mathematics, Monash University, Melbourne, VIC, Australia
| | - Tianshou Zhou
- School of Mathematics and Statistics, Sun Yet-Sen University, Guangzhou, China
| | - Tianhai Tian
- School of Mathematics, Monash University, Melbourne, VIC, Australia.
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42
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Mann Z, Sengar M, Verma YK, Rajalingam R, Raghav PK. Hematopoietic Stem Cell Factors: Their Functional Role in Self-Renewal and Clinical Aspects. Front Cell Dev Biol 2022; 10:664261. [PMID: 35399522 PMCID: PMC8987924 DOI: 10.3389/fcell.2022.664261] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 02/14/2022] [Indexed: 01/29/2023] Open
Abstract
Hematopoietic stem cells (HSCs) possess two important properties such as self-renewal and differentiation. These properties of HSCs are maintained through hematopoiesis. This process gives rise to two subpopulations, long-term and short-term HSCs, which have become a popular convention for treating various hematological disorders. The clinical application of HSCs is bone marrow transplant in patients with aplastic anemia, congenital neutropenia, sickle cell anemia, thalassemia, or replacement of damaged bone marrow in case of chemotherapy. The self-renewal attribute of HSCs ensures long-term hematopoiesis post-transplantation. However, HSCs need to be infused in large numbers to reach their target site and meet the demands since they lose their self-renewal capacity after a few passages. Therefore, a more in-depth understanding of ex vivo HSCs expansion needs to be developed to delineate ways to enhance the self-renewability of isolated HSCs. The multifaceted self-renewal process is regulated by factors, including transcription factors, miRNAs, and the bone marrow niche. A developed classical hierarchical model that outlines the hematopoiesis in a lineage-specific manner through in vivo fate mapping, barcoding, and determination of self-renewal regulatory factors are still to be explored in more detail. Thus, an in-depth study of the self-renewal property of HSCs is essentially required to be utilized for ex vivo expansion. This review primarily focuses on the Hematopoietic stem cell self-renewal pathway and evaluates the regulatory molecular factors involved in considering a targeted clinical approach in numerous malignancies and outlining gaps in the current knowledge.
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Affiliation(s)
- Zoya Mann
- Independent Researcher, New Delhi, India
| | - Manisha Sengar
- Department of Zoology, Deshbandhu College, University of Delhi, Delhi, India
| | - Yogesh Kumar Verma
- Stem Cell and Gene Therapy Research Group, Institute of Nuclear Medicine and Allied Sciences (INMAS), Delhi, India
| | - Raja Rajalingam
- Immunogenetics and Transplantation Laboratory, Department of Surgery, University of California San Francisco, San Francisco, CA, United States
| | - Pawan Kumar Raghav
- Immunogenetics and Transplantation Laboratory, Department of Surgery, University of California San Francisco, San Francisco, CA, United States
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Alkahtani S, Hasnain MS, Algamdy H, Aljarba NH, AlKahtane A. Acute and sub-acute oral toxicity Lagerstroemia speciosa in Sprague-Dawley rats. Saudi J Biol Sci 2022; 29:1585-1591. [PMID: 35280577 PMCID: PMC8913382 DOI: 10.1016/j.sjbs.2021.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/25/2021] [Accepted: 11/04/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Saad Alkahtani
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
- Corresponding author at: Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia.
| | - Md Saquib Hasnain
- Department of Pharmacy, Palamau Institute of Pharmacy, Chianki, Daltonganj 822102, Jharkhand, India
| | - Hamzah Algamdy
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Nada H. Aljarba
- Department of Biology, College of Sciences, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Abdullah AlKahtane
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
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Hematopoietic Progenitors and the Bone Marrow Niche Shape the Inflammatory Response and Contribute to Chronic Disease. Int J Mol Sci 2022; 23:ijms23042234. [PMID: 35216355 PMCID: PMC8879433 DOI: 10.3390/ijms23042234] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/14/2022] [Accepted: 02/15/2022] [Indexed: 11/17/2022] Open
Abstract
It is now well understood that the bone marrow (BM) compartment can sense systemic inflammatory signals and adapt through increased proliferation and lineage skewing. These coordinated and dynamic alterations in responding hematopoietic stem and progenitor cells (HSPCs), as well as in cells of the bone marrow niche, are increasingly viewed as key contributors to the inflammatory response. Growth factors, cytokines, metabolites, microbial products, and other signals can cause dysregulation across the entire hematopoietic hierarchy, leading to lineage-skewing and even long-term functional adaptations in bone marrow progenitor cells. These alterations may play a central role in the chronicity of disease as well as the links between many common chronic disorders. The possible existence of a form of “memory” in bone marrow progenitor cells is thought to contribute to innate immune responses via the generation of trained immunity (also called innate immune memory). These findings highlight how hematopoietic progenitors dynamically adapt to meet the demand for innate immune cells and how this adaptive response may be beneficial or detrimental depending on the context. In this review, we will discuss the role of bone marrow progenitor cells and their microenvironment in shaping the scope and scale of the immune response in health and disease.
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45
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Long S, Kenworthy S. Round Cells in Diagnostic Semen Analysis: A Guide for Laboratories and Clinicians. Br J Biomed Sci 2022; 79:10129. [PMID: 35996519 PMCID: PMC8915675 DOI: 10.3389/bjbs.2021.10129] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 12/23/2021] [Indexed: 11/21/2022]
Abstract
Round cells in seminal fluid are defined as either leucocytes or immature germ cells. Laboratories undertaking semen analysis often report these combined as a concentration, with no further review, comment or direction for clinician action or review. Although numerous publications discuss the possible clinical relevance of these cells (particularly leucocytes) in infertility, the methods employed to differentiate them are often beyond the scope of most diagnostic laboratories. This paper aims to support healthcare scientists in understanding the clinical significance of round cells and aid their identification, differentiation and interpretation. This will support the quality of care the patient receives and direct clinicians to further considerations that may be appropriate for their patient and should consequently reduce indiscriminate and unnecessary use of antibiotics.
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Affiliation(s)
- S. Long
- University Hospitals Birmingham, Birmingham, United Kingdom
- *Correspondence: S. Long,
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The extracellular matrix of hematopoietic stem cell niches. Adv Drug Deliv Rev 2022; 181:114069. [PMID: 34838648 PMCID: PMC8860232 DOI: 10.1016/j.addr.2021.114069] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/18/2021] [Accepted: 11/21/2021] [Indexed: 12/21/2022]
Abstract
Comprehensive overview of different classes of ECM molecules in the HSC niche. Overview of current knowledge on role of biophysics of the HSC niche. Description of approaches to create artificial stem cell niches for several application. Importance of considering ECM in drug development and testing.
Hematopoietic stem cells (HSCs) are the life-long source of all types of blood cells. Their function is controlled by their direct microenvironment, the HSC niche in the bone marrow. Although the importance of the extracellular matrix (ECM) in the niche by orchestrating niche architecture and cellular function is widely acknowledged, it is still underexplored. In this review, we provide a comprehensive overview of the ECM in HSC niches. For this purpose, we first briefly outline HSC niche biology and then review the role of the different classes of ECM molecules in the niche one by one and how they are perceived by cells. Matrix remodeling and the emerging importance of biophysics in HSC niche function are discussed. Finally, the application of the current knowledge of ECM in the niche in form of artificial HSC niches for HSC expansion or targeted differentiation as well as drug testing is reviewed.
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Advances in Regulatory Strategies of Differentiating Stem Cells towards Keratocytes. Stem Cells Int 2022; 2022:5403995. [PMID: 35140792 PMCID: PMC8820938 DOI: 10.1155/2022/5403995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 12/16/2021] [Accepted: 01/05/2022] [Indexed: 11/17/2022] Open
Abstract
Corneal injury is a commonly encountered clinical problem which led to vision loss and impairment that affects millions of people worldwide. Currently, the available treatment in clinical practice is corneal transplantation, which is limited by the accessibility of donors. Corneal tissue engineering appears to be a promising alternative for corneal repair. However, current experimental strategies of corneal tissue engineering are insufficient due to inadequate differentiation of stem cell into keratocytes and thus cannot be applied in clinical practice. In this review, we aim to clarify the role and effectiveness of both biochemical factors, physical regulation, and the combination of both to induce stem cells to differentiate into keratocytes. We will also propose novel perspectives of differentiation strategy that may help to improve the efficiency of corneal tissue engineering.
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Ginsenoside Rg1 as a Potential Regulator of Hematopoietic Stem/Progenitor Cells. Stem Cells Int 2022; 2021:4633270. [PMID: 35003268 PMCID: PMC8741398 DOI: 10.1155/2021/4633270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/24/2021] [Accepted: 11/26/2021] [Indexed: 12/15/2022] Open
Abstract
Ginsenoside Rg1 (Rg1), a purified, active component of the root or stem of ginseng, exerts positive effects on mesenchymal stem cells (MSCs). Many recent studies have found that hematopoietic stem cells (HSCs), which can develop into hematopoietic progenitor cells (HPCs) and mature blood cells, are another class of heterogeneous adult stem cells that can be regulated by Rg1. Rg1 can affect HSC proliferation and migration, regulate HSC/HPC differentiation, and alleviate HSC aging, and these findings potentially provide new strategies to improve the HSC homing rate in HSC transplantation and for the treatment of graft-versus-host disease (GVHD) or other HSC/HPC dysplasia-induced diseases. In this review, we used bioinformatics methods, molecular docking verification, and a literature review to systematically explore the possible molecular pharmacological activities of Rg1 through which it regulates HSCs/HPCs.
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Da Ros F, Persano L, Bizzotto D, Michieli M, Braghetta P, Mazzucato M, Bonaldo P. Emilin-2 is a component of bone marrow extracellular matrix regulating mesenchymal stem cell differentiation and hematopoietic progenitors. Stem Cell Res Ther 2022; 13:2. [PMID: 35012633 PMCID: PMC8744352 DOI: 10.1186/s13287-021-02674-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 10/09/2021] [Indexed: 02/08/2023] Open
Abstract
Background Dissection of mechanisms involved in the regulation of bone marrow microenvironment through cell–cell and cell–matrix contacts is essential for the detailed understanding of processes underlying bone marrow activities both under physiological conditions and in hematologic malignancies. Here we describe Emilin-2 as an abundant extracellular matrix component of bone marrow stroma. Methods Immunodetection of Emilin-2 was performed in bone marrow sections of mice from 30 days to 6 months of age. Emilin-2 expression was monitored in vitro in primary and mesenchymal stem cell lines under undifferentiated and adipogenic conditions. Hematopoietic stem cells and progenitors in bone marrow of 3- to 10-month-old wild-type and Emilin-2 null mice were analyzed by flow cytometry. Results Emilin-2 is deposited in bone marrow extracellular matrix in an age-dependent manner, forming a meshwork that extends from compact bone boundaries to the central trabecular regions. Emilin-2 is expressed and secreted by both primary and immortalized bone marrow mesenchymal stem cells, exerting an inhibitory action in adipogenic differentiation. In vivo Emilin-2 deficiency impairs the frequency of hematopoietic stem/progenitor cells in bone marrow during aging. Conclusion Our data provide new insights in the contribution of bone marrow extracellular matrix microenvironment in the regulation of stem cell niches and hematopoietic progenitor differentiation. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02674-2.
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Affiliation(s)
- Francesco Da Ros
- SOSd Cell Stem Unit, Department of Translational Research, National Cancer Center CRO-IRCSS, 33081, Aviano, Italy.,Department of Molecular Medicine, University of Padova, Via Ugo Bassi 58/B, 35131, Padova, Italy
| | - Luca Persano
- Department of Women's and Children's Health, University of Padova, 35131, Padova, Italy.,IRP - Pediatric Research Institute, 35131, Padova, Italy
| | - Dario Bizzotto
- Department of Molecular Medicine, University of Padova, Via Ugo Bassi 58/B, 35131, Padova, Italy
| | - Mariagrazia Michieli
- SOSd Cell Therapy and High Dose Chemotherapy, National Cancer Center CRO- IRCCS, 33081, Aviano, Italy
| | - Paola Braghetta
- Department of Molecular Medicine, University of Padova, Via Ugo Bassi 58/B, 35131, Padova, Italy
| | - Mario Mazzucato
- SOSd Cell Stem Unit, Department of Translational Research, National Cancer Center CRO-IRCSS, 33081, Aviano, Italy
| | - Paolo Bonaldo
- Department of Molecular Medicine, University of Padova, Via Ugo Bassi 58/B, 35131, Padova, Italy. .,CRIBI Biotechnology Center, University of Padova, 35131, Padova, Italy.
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50
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Hwang EJ, Kim S, Jung JY. Fully automated segmentation of lumbar bone marrow in sagittal, high-resolution T1-weighted magnetic resonance images using 2D U-NET. Comput Biol Med 2022; 140:105105. [PMID: 34864583 DOI: 10.1016/j.compbiomed.2021.105105] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 11/25/2021] [Accepted: 11/29/2021] [Indexed: 11/03/2022]
Abstract
BACKGROUND We investigated a 2-dimensional (2D) U-Net model to delineate lumbar bone marrow (BM) using a high resolution T1-weighted magnetic resonance imaging. METHOD Healthy controls (n = 44, 836 images) and patients with hematologic diseases (n = 56, 1064 images) received MRI of the lumbar spines. Lumbar BM on each image was manually delineated by an experienced radiologist as a ground-truth. The 2D U-Net models were trained using a healthy lumbar BM only, diseased BM only, and using healthy and diseased BM combined, respectively. The models were validated using healthy and diseased subjects, separately. A repeated-measures analysis of variance was performed to compare segmentation accuracies with 2 validation cohorts among U-Net trained with healthy subjects (UNET_HC), U-Net trained with diseased subjects (UNET_HD), U-Net trained with all subjects including both healthy and diseased subjects (UNET_HCHD), and 3-dimensional Grow-Cut algorithm (3DGC). RESULTS When validated with the healthy subjects, UNET_HC, UNET_HD, UNET_HCHD and 3DGC achieved the mean and standard deviation of the Dice Similarity Coefficient (DSC) of 0.9415 ± 0.07056, 0.9583 ± 0.05146, 0.9602 ± 0.0486 and 0.9139 ± 0.2039, respectively. When validated with the diseased subjects, DSCs of UNET_HC, UNET_HD, UNET_HCHD and 3DGC were 0.8303 ± 0.1073, 0.9502 ± 0.0217, 0.9502 ± 0.0217 and 0.8886 ± 0.2179, respectively. The U-Net models segmented BM better than the semi-automatic 3DGC (P < 0.0001), and UNET_HD produced better results than UNET_HC (P < 0.0001). CONCLUSIONS We successfully constructed a fully automatic lumbar BM segmentation model for a high-resolution T1-weighted MRI using U-Net, which outperformed most of the previously reported approaches and the existing semi-automatic algorithm.
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Affiliation(s)
- Eo-Jin Hwang
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sanghee Kim
- Department of Radiology, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Joon-Yong Jung
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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