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Olijnik AA, Rodriguez-Romera A, Wong ZC, Shen Y, Reyat JS, Jooss NJ, Rayes J, Psaila B, Khan AO. Generating human bone marrow organoids for disease modeling and drug discovery. Nat Protoc 2024; 19:2117-2146. [PMID: 38532070 DOI: 10.1038/s41596-024-00971-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 12/22/2023] [Indexed: 03/28/2024]
Abstract
The bone marrow supports and regulates hematopoiesis, responding to physiological requirements for blood cell production over ontogeny and during pathological challenges. Interactions between hematopoietic cells and niche components are challenging to study mechanistically in the human context, but are important to delineate in order to explore the pathobiology of blood and bone marrow disorders. Organoids are proving transformative in many research settings, but an accurate human bone marrow model incorporating multiple hematopoietic and stromal elements has been lacking. This protocol describes a method to generate three-dimensional, multilineage bone marrow organoids from human induced pluripotent stem cells (hiPSCs), detailing the steps for the directed differentiation of hiPSCs using a series of cytokine cocktails and hydrogel embedding. Over 18 days of differentiation, hiPSCs yield the key lineages that are present in central myelopoietic bone marrow, organized in a well-vascularized architecture that resembles native hematopoietic tissues. This presents a robust, in vitro system that can model healthy and perturbed hematopoiesis in a scalable three-dimensional microenvironment. Bone marrow organoids also support the growth of immortalized cell lines and primary cells from healthy donors and patients with myeloid and lymphoid cancers, including cell types that are poorly viable in standard culture systems. Moreover, we discuss assays for the characterization of organoids, including interrogation of pathogenic remodeling using recombinant TGF-ß treatment, and methods for organoid engraftment with exogenous cells. This protocol can be readily adapted to specific experimental requirements, can be easily implemented by users with tissue culture experience and does not require access to specialist equipment.
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Affiliation(s)
- Aude-Anais Olijnik
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research, Oxford Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Antonio Rodriguez-Romera
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research, Oxford Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Zoë C Wong
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research, Oxford Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Yuqi Shen
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research, Oxford Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Jasmeet S Reyat
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
- Department of Physiology, Anatomy and Genetics, Medical Sciences Division, University of Oxford, Oxford, UK
| | - Natalie J Jooss
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research, Oxford Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Julie Rayes
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Bethan Psaila
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research, Oxford Biomedical Research Centre, University of Oxford, Oxford, UK.
| | - Abdullah O Khan
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research, Oxford Biomedical Research Centre, University of Oxford, Oxford, UK.
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK.
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2
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Trivanović D, Vujačić M, Labella R, Djordjević IO, Ćazić M, Chernak B, Jauković A. Molecular Deconvolution of Bone Marrow Adipose Tissue Interactions with Malignant Hematopoiesis: Potential for New Therapy Development. Curr Osteoporos Rep 2024:10.1007/s11914-024-00879-x. [PMID: 38922359 DOI: 10.1007/s11914-024-00879-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/18/2024] [Indexed: 06/27/2024]
Abstract
PURPOSE OF REVIEW Along with a strong impact on skeletal integrity, bone marrow adipose tissue (BMAT) is an important modulator of the adult hematopoietic system. This review will summarize the current knowledge on the causal relationship between bone marrow (BM) adipogenesis and the development and progression of hematologic malignancies. RECENT FINDINGS BM adipocytes (BMAds) support a number of processes promoting oncogenesis, including the evolution of clonal hematopoiesis, malignant cell survival, proliferation, angiogenesis, and chemoresistance. In addition, leukemic cells manipulate surrounding BMAds by promoting lipolysis and release of free fatty acids, which are then utilized by leukemic cells via β-oxidation. Therefore, limiting BM adipogenesis, blocking BMAd-derived adipokines, or lipid metabolism obstruction have been considered as potential treatment options for hematological malignancies. Leukemic stem cells rely heavily on BMAds within the structural BM microenvironment for necessary signals which foster disease progression. Further development of 3D constructs resembling BMAT at different skeletal regions are critical to better understand these relationships in geometric space and may provide essential insight into the development of hematologic malignancies within the BM niche. In turn, these mechanisms provide promising potential as novel approaches to targeting the microenvironment with new therapeutic strategies.
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Affiliation(s)
- Drenka Trivanović
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11000, Belgrade, Serbia.
| | - Marko Vujačić
- Institute for Orthopedy Banjica, 11000, Belgrade, Serbia
- School of Medicine, University of Belgrade, 11000, Belgrade, Serbia
| | - Rossella Labella
- Department of Physiology and Cellular Biophysics, Columbia University, New York, NY, USA
- Edward P. Evans Center for Myelodysplastic Syndromes, Columbia University Medical Center, New York, NY, USA
| | - Ivana Okić Djordjević
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11000, Belgrade, Serbia
| | - Marija Ćazić
- Department of Hematology and Oncology, University Children's Hospital Tiršova, 11000, Belgrade, Serbia
| | - Brian Chernak
- Division of Hematology/Oncology, Columbia University, New York, NY, USA
| | - Aleksandra Jauković
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11000, Belgrade, Serbia
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3
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Panting RG, Kotecha RS, Cheung LC. The critical role of the bone marrow stromal microenvironment for the development of drug screening platforms in leukemia. Exp Hematol 2024; 133:104212. [PMID: 38552942 DOI: 10.1016/j.exphem.2024.104212] [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: 12/08/2023] [Revised: 02/21/2024] [Accepted: 03/22/2024] [Indexed: 04/13/2024]
Abstract
Extensive research over the past 50 years has resulted in significant improvements in survival for patients diagnosed with leukemia. Despite this, a subgroup of patients harboring high-risk genetic alterations still suffer from poor outcomes. There is a desperate need for new treatments to improve survival, yet consistent failure exists in the translation of in vitro drug development to clinical application. Preclinical screening conventionally utilizes tumor cell monocultures to assess drug activity; however, emerging research has acknowledged the vital role of the tumor microenvironment in treatment resistance and disease relapse. Current co-culture drug screening methods frequently employ fibroblasts as the designated stromal cell component. Alternative stromal cell types that are known to contribute to chemoresistance are often absent in preclinical evaluations of drug efficacy. This review highlights mechanisms of chemoresistance by a range of different stromal constituents present in the bone marrow microenvironment. Utilizing an array of stromal cell types at the early stages of drug screening may enhance the translation of in vitro drug development to clinical use. Ultimately, we highlight the need to consider the bone marrow microenvironment in drug screening platforms for leukemia to develop superior therapies for the treatment of high-risk patients with poor prognostic outcomes.
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Affiliation(s)
- Rhiannon G Panting
- Leukaemia Translational Research Laboratory, Telethon Kids Cancer Centre, Telethon Kids Institute, Perth, Western Australia, Australia; Curtin Medical School, Curtin University, Perth, Western Australia, Australia
| | - Rishi S Kotecha
- Leukaemia Translational Research Laboratory, Telethon Kids Cancer Centre, Telethon Kids Institute, Perth, Western Australia, Australia; Curtin Medical School, Curtin University, Perth, Western Australia, Australia; School of Medicine, University of Western Australia, Perth, Western Australia, Australia; Department of Clinical Haematology, Oncology, Blood and Marrow Transplantation, Perth Children's Hospital, Perth, Western Australia, Australia
| | - Laurence C Cheung
- Leukaemia Translational Research Laboratory, Telethon Kids Cancer Centre, Telethon Kids Institute, Perth, Western Australia, Australia; Curtin Medical School, Curtin University, Perth, Western Australia, Australia; Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia, Australia.
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4
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Barozzi D, Scielzo C. Emerging Strategies in 3D Culture Models for Hematological Cancers. Hemasphere 2023; 7:e932. [PMID: 37520775 PMCID: PMC10378728 DOI: 10.1097/hs9.0000000000000932] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 06/16/2023] [Indexed: 08/01/2023] Open
Abstract
In vitro cell cultures are fundamental and necessary tools in cancer research and personalized drug discovery. Currently, most cells are cultured using two-dimensional (2D) methods, and drug testing is mainly performed in animal models. However, new and improved methods that implement three-dimensional (3D) cell-culturing techniques provide compelling evidence that more advanced experiments can be performed, yielding valuable new insights. In 3D cell-culture experiments, the cell environment can be manipulated to mimic the complexity and dynamicity of the human tissue microenvironment, possibly leading to more accurate representations of cell-to-cell interactions, tumor biology, and predictions of drug response. The 3D cell cultures can also potentially provide alternative ways to study hematological cancers and are expected to eventually bridge the gap between 2D cell culture and animal models. The present review provides an overview of the complexity of the lymphoid microenvironment and a summary of the currently used 3D models that aim at recreating it for hematological cancer research. We here dissect the differences and challenges between, and potential advantages of, different culture methods and present our vision of the most promising future strategies in the hematological field.
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Affiliation(s)
- Dafne Barozzi
- Università degli Studi di Milano-Bicocca, School of Medicine and Surgery, PhD program in Molecular and Translational Medicine (DIMET), Milano, Italy
- Unit of Malignant B cells biology and 3D modelling, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Cristina Scielzo
- Unit of Malignant B cells biology and 3D modelling, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
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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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6
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Khan AO, Rodriguez-Romera A, Reyat JS, Olijnik AA, Colombo M, Wang G, Wen WX, Sousos N, Murphy LC, Grygielska B, Perrella G, Mahony CB, Ling RE, Elliott NE, Karali CS, Stone AP, Kemble S, Cutler EA, Fielding AK, Croft AP, Bassett D, Poologasundarampillai G, Roy A, Gooding S, Rayes J, Machlus KR, Psaila B. Human Bone Marrow Organoids for Disease Modeling, Discovery, and Validation of Therapeutic Targets in Hematologic Malignancies. Cancer Discov 2023; 13:364-385. [PMID: 36351055 PMCID: PMC9900323 DOI: 10.1158/2159-8290.cd-22-0199] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 10/04/2022] [Accepted: 11/07/2022] [Indexed: 11/11/2022]
Abstract
A lack of models that recapitulate the complexity of human bone marrow has hampered mechanistic studies of normal and malignant hematopoiesis and the validation of novel therapies. Here, we describe a step-wise, directed-differentiation protocol in which organoids are generated from induced pluripotent stem cells committed to mesenchymal, endothelial, and hematopoietic lineages. These 3D structures capture key features of human bone marrow-stroma, lumen-forming sinusoids, and myeloid cells including proplatelet-forming megakaryocytes. The organoids supported the engraftment and survival of cells from patients with blood malignancies, including cancer types notoriously difficult to maintain ex vivo. Fibrosis of the organoid occurred following TGFβ stimulation and engraftment with myelofibrosis but not healthy donor-derived cells, validating this platform as a powerful tool for studies of malignant cells and their interactions within a human bone marrow-like milieu. This enabling technology is likely to accelerate the discovery and prioritization of novel targets for bone marrow disorders and blood cancers. SIGNIFICANCE We present a human bone marrow organoid that supports the growth of primary cells from patients with myeloid and lymphoid blood cancers. This model allows for mechanistic studies of blood cancers in the context of their microenvironment and provides a much-needed ex vivo tool for the prioritization of new therapeutics. See related commentary by Derecka and Crispino, p. 263. This article is highlighted in the In This Issue feature, p. 247.
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Affiliation(s)
- Abdullah O. Khan
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Vincent Drive, Birmingham, United Kingdom
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Antonio Rodriguez-Romera
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Jasmeet S. Reyat
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Vincent Drive, Birmingham, United Kingdom
| | - Aude-Anais Olijnik
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Michela Colombo
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Guanlin Wang
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
- Centre for Computational Biology, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom
| | - Wei Xiong Wen
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
- Centre for Computational Biology, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom
| | - Nikolaos Sousos
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
- Cancer and Haematology Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
| | - Lauren C. Murphy
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Beata Grygielska
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Vincent Drive, Birmingham, United Kingdom
| | - Gina Perrella
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Vincent Drive, Birmingham, United Kingdom
| | - Christopher B. Mahony
- Rheumatology Research Group, Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Rebecca E. Ling
- MRC Weatherall Institute of Molecular Medicine, Department of Paediatrics and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Natalina E. Elliott
- MRC Weatherall Institute of Molecular Medicine, Department of Paediatrics and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Christina Simoglou Karali
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Andrew P. Stone
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, Massachusetts
| | - Samuel Kemble
- Rheumatology Research Group, Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Emily A. Cutler
- University College London Cancer Institute, London, United Kingdom
| | | | - Adam P. Croft
- Rheumatology Research Group, Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - David Bassett
- Healthcare Technologies Institute, School of Chemical Engineering, University of Birmingham, Birmingham, United Kingdom
| | | | - Anindita Roy
- MRC Weatherall Institute of Molecular Medicine, Department of Paediatrics and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Sarah Gooding
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
- Cancer and Haematology Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
| | - Julie Rayes
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Vincent Drive, Birmingham, United Kingdom
| | - Kellie R. Machlus
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, Massachusetts
| | - Bethan Psaila
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine and National Institute of Health Research (NIHR) Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
- Cancer and Haematology Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
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7
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Bruschi M, Vanzolini T, Sahu N, Balduini A, Magnani M, Fraternale A. Functionalized 3D scaffolds for engineering the hematopoietic niche. Front Bioeng Biotechnol 2022; 10:968086. [PMID: 36061428 PMCID: PMC9428512 DOI: 10.3389/fbioe.2022.968086] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/13/2022] [Indexed: 11/16/2022] Open
Abstract
Hematopoietic stem cells (HSCs) reside in a subzone of the bone marrow (BM) defined as the hematopoietic niche where, via the interplay of differentiation and self-renewal, they can give rise to immune and blood cells. Artificial hematopoietic niches were firstly developed in 2D in vitro cultures but the limited expansion potential and stemness maintenance induced the optimization of these systems to avoid the total loss of the natural tissue complexity. The next steps were adopted by engineering different materials such as hydrogels, fibrous structures with natural or synthetic polymers, ceramics, etc. to produce a 3D substrate better resembling that of BM. Cytokines, soluble factors, adhesion molecules, extracellular matrix (ECM) components, and the secretome of other niche-resident cells play a fundamental role in controlling and regulating HSC commitment. To provide biochemical cues, co-cultures, and feeder-layers, as well as natural or synthetic molecules were utilized. This review gathers key elements employed for the functionalization of a 3D scaffold that demonstrated to promote HSC growth and differentiation ranging from 1) biophysical cues, i.e., material, topography, stiffness, oxygen tension, and fluid shear stress to 2) biochemical hints favored by the presence of ECM elements, feeder cell layers, and redox scavengers. Particular focus is given to the 3D systems to recreate megakaryocyte products, to be applied for blood cell production, whereas HSC clinical application in such 3D constructs was limited so far to BM diseases testing.
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Affiliation(s)
- Michela Bruschi
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
- *Correspondence: Michela Bruschi,
| | - Tania Vanzolini
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
| | - Neety Sahu
- Department of Orthopedic Surgery, School of Medicine, Stanford University, Stanford, CA, United States
| | - Alessandra Balduini
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
- Department of Biomedical Engineering, Tufts University, Medford, MA, United States
| | - Mauro Magnani
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Urbino, Italy
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8
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Oliveira CS, Nadine S, Gomes MC, Correia CR, Mano JF. Bioengineering the human bone marrow microenvironment in liquefied compartments: A promising approach for the recapitulation of osteovascular niches. Acta Biomater 2022; 149:167-178. [PMID: 35811072 DOI: 10.1016/j.actbio.2022.07.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 06/11/2022] [Accepted: 07/01/2022] [Indexed: 11/24/2022]
Abstract
Recreating the biological complexity of living bone marrow (BM) in a single in vitro strategy has faced many challenges. Most bioengineered strategies propose the co-culture of BM cellular components entrapped in different matrices limiting their migration and self-organization capacity or in open scaffolds enabling their escaping. We propose a methodology for fabricating a "human bone marrow-in-a-liquefied-capsule" to overcome these challenges, embracing the most important BM components in a single platform. Since free dispersion of the cells within the BM is an essential feature to maintain their in vivo properties, this platform provides a liquefied environment for the encapsulated cells to move freely and self-organize. Inside liquefied capsules, an engineered endosteal niche (eEN) is co-cultured with human umbilical cord cells, including endothelial cells and hematopoietic stem and progenitor cells (HSPCs). Two different human-like BM niches were recreated under static and dynamic systems. Although the culture of the engineered BM capsules (eBMC) in these different environments did not change the structural and compositional features of the BM niches, the biophysical stimulation potentiated the cellular intercommunication and the biomolecules secretion, demonstrating an enhanced in vitro bio performance. Moreover, while the eBMC without HSPCs provided the secretion of hematopoietic supportive factors, the presence of these cells recapitulated more closely the biological complexity of the native BM niches. This functional eBMC approach is an innovative platform capable of investigating several components and interactions of BM niches and how they regulate BM homeostasis and hematopoiesis. STATEMENT OF SIGNIFICANCE: The recapitulation of the multifaceted bone marrow (BM) microenvironment under in vitro conditions has gained intensive recognition to understand the intrinsic complexity of the native BM. While conventional strategies do not recapitulate the BM osteovascular niches nor give the cellular components a free movement, we report for the first time the development of human bone marrow-in-a-liquefied-capsule to overcome such limitations. Our engineered BM capsules (eBMC) partially mimic the complex structure, composition, and spatial organization of the native osteovascular niches present in the BM. This strategy offers a platform with physiological relevance to exploit the niches' components/networks and how they regulate the hematopoiesis and the initiation/progression of various BM-related pathologies.
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Affiliation(s)
- Cláudia S Oliveira
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Sara Nadine
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Maria C Gomes
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Clara R Correia
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - João F Mano
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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9
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Aparici Herraiz I, Caires HR, Castillo-Fernández Ó, Sima N, Méndez-Mora L, Risueño RM, Sattabongkot J, Roobsoong W, Hernández-Machado A, Fernandez-Becerra C, Barrias CC, del Portillo HA. Advancing Key Gaps in the Knowledge of Plasmodium vivax Cryptic Infections Using Humanized Mouse Models and Organs-on-Chips. Front Cell Infect Microbiol 2022; 12:920204. [PMID: 35873153 PMCID: PMC9302440 DOI: 10.3389/fcimb.2022.920204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 06/06/2022] [Indexed: 11/13/2022] Open
Abstract
Plasmodium vivax is the most widely distributed human malaria parasite representing 36.3% of disease burden in the South-East Asia region and the most predominant species in the region of the Americas. Recent estimates indicate that 3.3 billion of people are under risk of infection with circa 7 million clinical cases reported each year. This burden is certainly underestimated as the vast majority of chronic infections are asymptomatic. For centuries, it has been widely accepted that the only source of cryptic parasites is the liver dormant stages known as hypnozoites. However, recent evidence indicates that niches outside the liver, in particular in the spleen and the bone marrow, can represent a major source of cryptic chronic erythrocytic infections. The origin of such chronic infections is highly controversial as many key knowledge gaps remain unanswered. Yet, as parasites in these niches seem to be sheltered from immune response and antimalarial drugs, research on this area should be reinforced if elimination of malaria is to be achieved. Due to ethical and technical considerations, working with the liver, bone marrow and spleen from natural infections is very difficult. Recent advances in the development of humanized mouse models and organs-on-a-chip models, offer novel technological frontiers to study human diseases, vaccine validation and drug discovery. Here, we review current data of these frontier technologies in malaria, highlighting major challenges ahead to study P. vivax cryptic niches, which perpetuate transmission and burden.
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Affiliation(s)
- Iris Aparici Herraiz
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
- Institut d’Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - Hugo R. Caires
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
| | - Óscar Castillo-Fernández
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
- Institut d’Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, Barcelona, Spain
| | - Núria Sima
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
- Institut d’Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - Lourdes Méndez-Mora
- Department of Condensed Matter Physics, University of Barcelona (UB), Barcelona, Spain
| | - Ruth M. Risueño
- Josep Carreras Leukaemia Research Institute (IJC), Barcelona, Spain
| | - Jetsumon Sattabongkot
- Mahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Wanlapa Roobsoong
- Mahidol Vivax Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Aurora Hernández-Machado
- Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, Barcelona, Spain
- Department of Condensed Matter Physics, University of Barcelona (UB), Barcelona, Spain
- Centre de Recerca Matemàtica (CRM), Barcelona, Spain
| | - Carmen Fernandez-Becerra
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
- Institut d’Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - Cristina C. Barrias
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB – Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
- ICBAS – Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto, Porto, Portugal
| | - Hernando A. del Portillo
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic - Universitat de Barcelona, Barcelona, Spain
- Institut d’Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
- *Correspondence: Hernando A. del Portillo,
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In Vitro and In Vivo Modeling of Normal and Leukemic Bone Marrow Niches: Cellular Senescence Contribution to Leukemia Induction and Progression. Int J Mol Sci 2022; 23:ijms23137350. [PMID: 35806354 PMCID: PMC9266537 DOI: 10.3390/ijms23137350] [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: 05/28/2022] [Revised: 06/25/2022] [Accepted: 06/27/2022] [Indexed: 12/16/2022] Open
Abstract
Cellular senescence is recognized as a dynamic process in which cells evolve and adapt in a context dependent manner; consequently, senescent cells can exert both beneficial and deleterious effects on their surroundings. Specifically, senescent mesenchymal stromal cells (MSC) in the bone marrow (BM) have been linked to the generation of a supporting microenvironment that enhances malignant cell survival. However, the study of MSC’s senescence role in leukemia development has been straitened not only by the availability of suitable models that faithfully reflect the structural complexity and biological diversity of the events triggered in the BM, but also by the lack of a universal, standardized method to measure senescence. Despite these constraints, two- and three dimensional in vitro models have been continuously improved in terms of cell culture techniques, support materials and analysis methods; in addition, research on animal models tends to focus on the development of techniques that allow tracking leukemic and senescent cells in the living organism, as well as to modify the available mice strains to generate individuals that mimic human BM characteristics. Here, we present the main advances in leukemic niche modeling, discussing advantages and limitations of the different systems, focusing on the contribution of senescent MSC to leukemia progression.
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11
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Kern C, Pauli A, Rohnke M. Determination of Sr 2+ mobility in viscous bovine bone marrow by cryo-time-of-flight secondary ion mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2022; 36:e9300. [PMID: 35312121 DOI: 10.1002/rcm.9300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/17/2022] [Accepted: 03/18/2022] [Indexed: 06/14/2023]
Abstract
RATIONALE In osteoporosis research, strontium ions (Sr2+ ) have emerged as promising therapeutic agent in modified bone cements for better fracture healing. Modeling of Sr2+ dispersion in bone could be used as a predictive tool for the evaluation of functionalized biomaterials in future. Therefore, determination of experimental parameters for Sr2+ transport in bone is essential. In this study, we focus on the determination of Sr2+ diffusion in viscous bovine bone marrow by time-of-flight secondary ion mass spectrometry (ToF-SIMS). METHODS For this comparatively fast diffusion (FD) experiment, a specific experimental protocol of ToF-SIMS depth profiling under cryogenic conditions was developed. The validity of our experimental approach is proven by a time-dependent experimental series. Furthermore, 2D and 3D mass spectrometric imaging analysis was used to study Sr2+ surface and bulk distribution within bovine bone marrow. RESULTS Detailed 2D and 3D mass spectrometric imaging analysis revealed that Sr2+ diffusion is slower in bone marrow areas with high intensity of lipid and fatty acid signals than in areas with less lipid content. The Sr2+ transport within this passive model can be described by Fickian diffusion. Average diffusion coefficients of Sr2+ in bovine bone marrow were obtained from diffusion profiles in FD areas (Dbovine,FD = [2.09 ± 2.39]·10-9 cm2 s-1 ), slow diffusion areas (Dbovine,SD = [1.52 ± 1.80]·10-10 cm2 s-1 ), and total area diffusion (Dbovine,TA = [1.94 ± 2.40]·10-9 cm2 s-1 ). CONCLUSIONS We were able to show that cryo-ToF-SIMS is a useful tool for the characterization of rapid diffusion in water-containing highly viscous media. To the best of our knowledge, this is the first reported experimental approach for the investigation of the distribution of low concentrated therapeutic agents in bone marrow. Overall, our results provide important insights about Sr2+ diffusion in bovine bone marrow.
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Affiliation(s)
- Christine Kern
- Institute of Physical Chemistry, Justus Liebig University Giessen, Giessen, Germany
| | - Anna Pauli
- Institute of Physical Chemistry, Justus Liebig University Giessen, Giessen, Germany
| | - Marcus Rohnke
- Institute of Physical Chemistry, Justus Liebig University Giessen, Giessen, Germany
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12
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Current insights into the bone marrow niche: From biology in vivo to bioengineering ex vivo. Biomaterials 2022; 286:121568. [DOI: 10.1016/j.biomaterials.2022.121568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 04/26/2022] [Accepted: 05/03/2022] [Indexed: 11/21/2022]
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13
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Mayer IM, Hoelbl-Kovacic A, Sexl V, Doma E. Isolation, Maintenance and Expansion of Adult Hematopoietic Stem/Progenitor Cells and Leukemic Stem Cells. Cancers (Basel) 2022; 14:cancers14071723. [PMID: 35406494 PMCID: PMC8996967 DOI: 10.3390/cancers14071723] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/23/2022] [Accepted: 03/25/2022] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Transplantation of adult hematopoietic stem cells is an important therapeutic tool to help patients suffering from diverse hematological disorders. All types of blood cells can develop from a single hematopoietic stem cell underlining their enormous potential. Intense efforts are ongoing to generate “engraftable” human hematopoietic stem cells to treat hematopoietic diseases and to understand the molecular machinery driving them. Leukemic stem cells represent a low frequency subpopulation of leukemia cells that possess stem cell properties. They can instigate, maintain, and serially propagate leukemia in vivo, while they retain the capacity to differentiate into committed progenitors. Leukemic stem cells are unaffected by many therapeutic strategies and represent the major cause of relapse. We here describe all methods to maintain and expand murine and human hematopoietic cells in culture and describe their specific advantages. These methods are also employed to understand the biology of leukemic stem cells and to identify novel therapeutic strategies. Abstract Hematopoietic stem cells (HSCs) are rare, self-renewing cells that perch on top of the hematopoietic tree. The HSCs ensure the constant supply of mature blood cells in a tightly regulated process producing peripheral blood cells. Intense efforts are ongoing to optimize HSC engraftment as therapeutic strategy to treat patients suffering from hematopoietic diseases. Preclinical research paves the way by developing methods to maintain, manipulate and expand HSCs ex vivo to understand their regulation and molecular make-up. The generation of a sufficient number of transplantable HSCs is the Holy Grail for clinical therapy. Leukemia stem cells (LSCs) are characterized by their acquired stem cell characteristics and are responsible for disease initiation, progression, and relapse. We summarize efforts, that have been undertaken to increase the number of long-term (LT)-HSCs and to prevent differentiation towards committed progenitors in ex vivo culture. We provide an overview and compare methods currently available to isolate, maintain and enrich HSC subsets, progenitors and LSCs and discuss their individual advantages and drawbacks.
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14
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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: 16] [Impact Index Per Article: 8.0] [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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15
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Kern C, Jamous R, El Khassawna T, Rohnke M. Characterisation of Sr 2+ mobility in osteoporotic rat bone marrow by cryo-ToF-SIMS and cryo-OrbiSIMS. Analyst 2022; 147:4141-4157. [DOI: 10.1039/d2an00913g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mass spectrometric imaging approach for ex vivo monitoring of drug transport in bone sections. Cryo-ToF-SIMS depth profiling and high-resolution imaging as well as OrbiSIMS analysis revealed inhomogeneous Sr2+ transport in rat bone marrow.
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Affiliation(s)
- Christine Kern
- Institute of Physical Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
| | - Reem Jamous
- Experimental Trauma Surgery, Faculty of Medicine, Justus Liebig University Giessen, Aulweg 128, 35392 Giessen, Germany
| | - Thaqif El Khassawna
- Experimental Trauma Surgery, Faculty of Medicine, Justus Liebig University Giessen, Aulweg 128, 35392 Giessen, Germany
| | - Marcus Rohnke
- Institute of Physical Chemistry, Justus Liebig University Giessen, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
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16
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Abstract
ABSTRACT Multiple myeloma is a hematological malignancy of differentiated B cells that resides primarily in bone marrow niches. Its interaction with the microenvironment is known to provide a survival advantage and plays an important role in drug resistance. Despite the increased efficacy of new treatment drugs, clinical results oftentimes fall short of in vitro observations, and this disease remains incurable. Conventional 2-dimensional cultures used to perform chemosensitivity assays and the established multiple myeloma cells lines commonly used do not replicate the conditions seen in vivo. This review presents various 3-dimensional culture platforms for myeloma that attempt to overcome this obstacle by incorporating aspects of the tumor microenvironment. The unique features of each model and contributions they have provided in personalized medicine, tumor physiology, and chemosensitivity assays will be summarized.
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17
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Franchi-Mendes T, Eduardo R, Domenici G, Brito C. 3D Cancer Models: Depicting Cellular Crosstalk within the Tumour Microenvironment. Cancers (Basel) 2021; 13:4610. [PMID: 34572836 PMCID: PMC8468887 DOI: 10.3390/cancers13184610] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 12/11/2022] Open
Abstract
The tumour microenvironment plays a critical role in tumour progression and drug resistance processes. Non-malignant cell players, such as fibroblasts, endothelial cells, immune cells and others, interact with each other and with the tumour cells, shaping the disease. Though the role of each cell type and cell communication mechanisms have been progressively studied, the complexity of this cellular network and its role in disease mechanism and therapeutic response are still being unveiled. Animal models have been mainly used, as they can represent systemic interactions and conditions, though they face recognized limitations in translational potential due to interspecies differences. In vitro 3D cancer models can surpass these limitations, by incorporating human cells, including patient-derived ones, and allowing a range of experimental designs with precise control of each tumour microenvironment element. We summarize the role of each tumour microenvironment component and review studies proposing 3D co-culture strategies of tumour cells and non-malignant cell components. Moreover, we discuss the potential of these modelling approaches to uncover potential therapeutic targets in the tumour microenvironment and assess therapeutic efficacy, current bottlenecks and perspectives.
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Affiliation(s)
- Teresa Franchi-Mendes
- iBET—Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal; (T.F.-M.); (R.E.); (G.D.)
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Rodrigo Eduardo
- iBET—Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal; (T.F.-M.); (R.E.); (G.D.)
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Giacomo Domenici
- iBET—Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal; (T.F.-M.); (R.E.); (G.D.)
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - Catarina Brito
- iBET—Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal; (T.F.-M.); (R.E.); (G.D.)
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
- The Discoveries Centre for Regenerative and Precision Medicine, Lisbon Campus, Av. da República, 2780-157 Oeiras, Portugal
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18
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Pellegrin S, Severn CE, Toye AM. Towards manufactured red blood cells for the treatment of inherited anemia. Haematologica 2021; 106:2304-2311. [PMID: 34042406 PMCID: PMC8409035 DOI: 10.3324/haematol.2020.268847] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Indexed: 11/21/2022] Open
Abstract
Patients with inherited anemia and hemoglobinopathies (such as sickle cell disease and β-thalassemia) are treated with red blood cell (RBC) transfusions to alleviate their symptoms. Some of these patients may have rare blood group types or go on to develop alloimmune reactions, which can make it difficult to source compatible blood in the donor population. Laboratory-grown RBC represent a particularly attractive alternative which could satisfy an unmet clinical need. The challenge, however, is to produce - from a limited number of stem cells - the 2x1012 RBC required for a standard adult therapeutic dose. Encouraging progress has been made in RBC production from adult stem cells under good manufacturing practice. In 2011, the Douay group conducted a successful proof-of-principle mini-transfusion of autologous manufactured RBC in a single volunteer. In the UK, a trial is planned to assess whether manufactured RBC are equivalent to RBC produced naturally in donors, by testing an allogeneic mini-dose of laboratory-grown manufactured RBC in multiple volunteers. This review discusses recent progress in the erythroid culture field as well as opportunities for further scaling up of manufactured RBC production for transfusion practice.
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Affiliation(s)
- Stephanie Pellegrin
- School of Biochemistry, Biomedical Sciences Building; National Institute for Health Research (NIHR) Blood and Transplant Research Unit in Red Blood Cell Products, University of Bristol.
| | - Charlotte E Severn
- School of Biochemistry, Biomedical Sciences Building; National Institute for Health Research (NIHR) Blood and Transplant Research Unit in Red Blood Cell Products, University of Bristol.
| | - Ashley M Toye
- School of Biochemistry, Biomedical Sciences Building; National Institute for Health Research (NIHR) Blood and Transplant Research Unit in Red Blood Cell Products, University of Bristol; Bristol Institute of Transfusion Sciences, NHSBT Filton. Bristol.
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19
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Crippa S, Santi L, Berti M, De Ponti G, Bernardo ME. Role of ex vivo Expanded Mesenchymal Stromal Cells in Determining Hematopoietic Stem Cell Transplantation Outcome. Front Cell Dev Biol 2021; 9:663316. [PMID: 34017834 PMCID: PMC8129582 DOI: 10.3389/fcell.2021.663316] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 03/17/2021] [Indexed: 02/06/2023] Open
Abstract
Overall, the human organism requires the production of ∼1 trillion new blood cells per day. Such goal is achieved via hematopoiesis occurring within the bone marrow (BM) under the tight regulation of hematopoietic stem and progenitor cell (HSPC) homeostasis made by the BM microenvironment. The BM niche is defined by the close interactions of HSPCs and non-hematopoietic cells of different origin, which control the maintenance of HSPCs and orchestrate hematopoiesis in response to the body’s requirements. The activity of the BM niche is regulated by specific signaling pathways in physiological conditions and in case of stress, including the one induced by the HSPC transplantation (HSCT) procedures. HSCT is the curative option for several hematological and non-hematological diseases, despite being associated with early and late complications, mainly due to a low level of HSPC engraftment, impaired hematopoietic recovery, immune-mediated graft rejection, and graft-versus-host disease (GvHD) in case of allogenic transplant. Mesenchymal stromal cells (MSCs) are key elements of the BM niche, regulating HSPC homeostasis by direct contact and secreting several paracrine factors. In this review, we will explore the several mechanisms through which MSCs impact on the supportive activity of the BM niche and regulate HSPC homeostasis. We will further discuss how the growing understanding of such mechanisms have impacted, under a clinical point of view, on the transplantation field. In more recent years, these results have instructed the design of clinical trials to ameliorate the outcome of HSCT, especially in the allogenic setting, and when low doses of HSPCs were available for transplantation.
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Affiliation(s)
- Stefania Crippa
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Ludovica Santi
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Margherita Berti
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Giada De Ponti
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Centro Ricerca M. Tettamanti, Department of Pediatrics, University of Milano-Bicocca, Monza, Italy
| | - Maria Ester Bernardo
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Pediatric Immunohematology and Bone Marrow Transplantation Unit, San Raffaele Scientific Institute, Milan, Italy.,University Vita-Salute San Raffaele, Faculty of Medicine, Milan, Italy
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20
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Kirsch M, Rach J, Handke W, Seltsam A, Pepelanova I, Strauß S, Vogt P, Scheper T, Lavrentieva A. Comparative Analysis of Mesenchymal Stem Cell Cultivation in Fetal Calf Serum, Human Serum, and Platelet Lysate in 2D and 3D Systems. Front Bioeng Biotechnol 2021; 8:598389. [PMID: 33520956 PMCID: PMC7844400 DOI: 10.3389/fbioe.2020.598389] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 12/08/2020] [Indexed: 12/13/2022] Open
Abstract
In vitro two-dimensional (2D) and three-dimensional (3D) cultivation of mammalian cells requires supplementation with serum. Mesenchymal stem cells (MSCs) are widely used in clinical trials for bioregenerative medicine and in most cases, in vitro expansion and differentiation of these cells are required before application. Optimized expansion and differentiation protocols play a key role in the treatment outcome. 3D cell cultivation systems are more comparable to in vivo conditions and can provide both, more physiological MSC expansion and a better understanding of intercellular and cell-matrix interactions. Xeno-free cultivation conditions minimize risks of immune response after implantation. Human platelet lysate (hPL) appears to be a valuable alternative to widely used fetal calf serum (FCS) since no ethical issues are associated with its harvest, it contains a high concentration of growth factors and cytokines and it can be produced from expired platelet concentrate. In this study, we analyzed and compared proliferation, as well as osteogenic and chondrogenic differentiation of human adipose tissue-derived MSCs (hAD-MSC) using three different supplements: FCS, human serum (HS), and hPL in 2D. Furthermore, online monitoring of osteogenic differentiation under the influence of different supplements was performed in 2D. hPL-cultivated MSCs exhibited a higher proliferation and differentiation rate compared to HS- or FCS-cultivated cells. We demonstrated a fast and successful chondrogenic differentiation in the 2D system with the addition of hPL. Additionally, FCS, HS, and hPL were used to formulate Gelatin-methacryloyl (GelMA) hydrogels in order to evaluate the influence of the different supplements on the cell spreading and proliferation of cells growing in 3D culture. In addition, the hydrogel constructs were cultivated in media supplemented with three different supplements. In comparison to FCS and HS, the addition of hPL to GelMA hydrogels during the encapsulation of hAD-MSCs resulted in enhanced cell spreading and proliferation. This effect was promoted even further by cultivating the hydrogel constructs in hPL-supplemented media.
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Affiliation(s)
- Marline Kirsch
- Institute of Technical Chemistry, Leibniz University Hannover, Hanover, Germany
| | - Jessica Rach
- German Red Cross Blood Service NSTOB, Institute Springe, Springe, Germany
| | - Wiebke Handke
- Bavarian Red Cross Blood Service, Institute Nuremberg, Nuremberg, Germany
| | - Axel Seltsam
- Bavarian Red Cross Blood Service, Institute Nuremberg, Nuremberg, Germany
| | - Iliyana Pepelanova
- Institute of Technical Chemistry, Leibniz University Hannover, Hanover, Germany
| | - Sarah Strauß
- Department of Plastic, Aesthetic, Hand and Reconstructive Surgery, Hannover Medical School, Hanover, Germany
| | - Peter Vogt
- Department of Plastic, Aesthetic, Hand and Reconstructive Surgery, Hannover Medical School, Hanover, Germany
| | - Thomas Scheper
- Institute of Technical Chemistry, Leibniz University Hannover, Hanover, Germany
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21
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Santos Rosalem G, Gonzáles Torres LA, de Las Casas EB, Mathias FAS, Ruiz JC, Carvalho MGR. Microfluidics and organ-on-a-chip technologies: A systematic review of the methods used to mimic bone marrow. PLoS One 2020; 15:e0243840. [PMID: 33306749 PMCID: PMC7732112 DOI: 10.1371/journal.pone.0243840] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 11/29/2020] [Indexed: 12/15/2022] Open
Abstract
Bone marrow (BM) is an organ responsible for crucial processes in living organs, e. g., hematopoiesis. In recent years, Organ-on-a-Chip (OoC) devices have been used to satisfy the need for in vitro systems that better mimic the phenomena occurring in the BM microenvironment. Given the growing interest in these systems and the diversity of developed devices, an integrative systematic literature review is required. We have performed this review, following the PRISMA method aiming to identify the main characteristics and assess the effectiveness of the devices that were developed to represent the BM. A search was performed in the Scopus, PubMed, Web of Science and Science Direct databases using the keywords (("bone marrow" OR "hematopoietic stem cells" OR "haematopoietic stem cells") AND ("organ in a" OR "lab on a chip" OR "microfluidic" OR "microfluidic*" OR ("bioreactor" AND "microfluidic*"))). Original research articles published between 2009 and 2020 were included in the review, giving a total of 21 papers. The analysis of these papers showed that their main purpose was to study BM cells biology, mimic BM niches, model pathological BM, and run drug assays. Regarding the fabrication protocols, we have observed that polydimethylsiloxane (PDMS) material and soft lithography method were the most commonly used. To reproduce the microenvironment of BM, most devices used the type I collagen and alginate. Peristaltic and syringe pumps were mostly used for device perfusion. Regarding the advantages compared to conventional methods, there were identified three groups of OoC devices: perfused 3D BM; co-cultured 3D BM; and perfused co-cultured 3D BM. Cellular behavior and mimicking their processes and responses were the mostly commonly studied parameters. The results have demonstrated the effectiveness of OoC devices for research purposes compared to conventional cell cultures. Furthermore, the devices have a wide range of applicability and the potential to be explored.
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Affiliation(s)
- Gabriel Santos Rosalem
- Mechanical Engineering Graduate Program, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | | | | | - Jeronimo Conceição Ruiz
- Biosystems and Genomics Group, René Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Brazil
- Graduate Program in Computational and Systems Biology of the Institute Oswaldo Cruz (PGBCS/IOC/Fiocruz), Rio de Janeiro, Brazil
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22
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Cucchi DGJ, Groen RWJ, Janssen JJWM, Cloos J. Ex vivo cultures and drug testing of primary acute myeloid leukemia samples: Current techniques and implications for experimental design and outcome. Drug Resist Updat 2020; 53:100730. [PMID: 33096284 DOI: 10.1016/j.drup.2020.100730] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 09/03/2020] [Accepted: 09/29/2020] [Indexed: 12/11/2022]
Abstract
New treatment options of acute myeloid leukemia (AML) are rapidly emerging. Pre-clinical models such as ex vivo cultures are extensively used towards the development of novel drugs and to study synergistic drug combinations, as well as to discover biomarkers for both drug response and anti-cancer drug resistance. Although these approaches empower efficient investigation of multiple drugs in a multitude of primary AML samples, their translational value and reproducibility are hampered by the lack of standardized methodologies and by culture system-specific behavior of AML cells and chemotherapeutic drugs. Moreover, distinct research questions require specific methods which rely on specific technical knowledge and skills. To address these aspects, we herein review commonly used culture techniques in light of diverse research questions. In addition, culture-dependent effects on drug resistance towards commonly used drugs in the treatment of AML are summarized including several pitfalls that may arise because of culture technique artifacts. The primary aim of the current review is to provide practical guidelines for ex vivo primary AML culture experimental design.
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Affiliation(s)
- D G J Cucchi
- Department of Hematology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, the Netherlands
| | - R W J Groen
- Department of Hematology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, the Netherlands
| | - J J W M Janssen
- Department of Hematology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, the Netherlands
| | - J Cloos
- Department of Hematology, Cancer Center Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, the Netherlands.
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23
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Yang J, Ueharu H, Mishina Y. Energy metabolism: A newly emerging target of BMP signaling in bone homeostasis. Bone 2020; 138:115467. [PMID: 32512164 PMCID: PMC7423769 DOI: 10.1016/j.bone.2020.115467] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/29/2020] [Accepted: 06/01/2020] [Indexed: 12/11/2022]
Abstract
Energy metabolism is the process of generating energy (i.e. ATP) from nutrients. This process is indispensable for cell homeostasis maintenance and responses to varying conditions. Cells require energy for growth and maintenance and have evolved to have multiple pathways to produce energy. Both genetic and functional studies have demonstrated that energy metabolism, such as glucose, fatty acid, and amino acid metabolism, plays important roles in the formation and function of bone cells including osteoblasts, osteocytes, and osteoclasts. Dysregulation of energy metabolism in bone cells consequently disturbs the balance between bone formation and bone resorption. Metabolic diseases have also been reported to affect bone homeostasis. Bone morphogenic protein (BMP) signaling plays critical roles in regulating the formation and function of bone cells, thus affecting bone development and homeostasis. Mutations of BMP signaling-related genes in mice have been reported to show abnormalities in energy metabolism in many tissues, including bone. In addition, BMP signaling correlates with critical signaling pathways such as mTOR, HIF, Wnt, and self-degradative process autophagy to coordinate energy metabolism and bone homeostasis. These findings will provide a newly emerging target of BMP signaling and potential therapeutic strategies and the improved management of bone diseases. This review summarizes the recent advances in our understanding of (1) energy metabolism in regulating the formation and function of bone cells, (2) function of BMP signaling in whole body energy metabolism, and (3) mechanistic interaction of BMP signaling with other signaling pathways and biological processes critical for energy metabolism and bone homeostasis.
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Affiliation(s)
- Jingwen Yang
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA; The State Key Laboratory Breeding Base of Basic Science of Stomatology & Key Laboratory for Oral Biomedicine of Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, Hubei 430079, China.
| | - Hiroki Ueharu
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yuji Mishina
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA.
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Abbonante V, Di Buduo CA, Malara A, Laurent PA, Balduini A. Mechanisms of platelet release: in vivo studies and in vitro modeling. Platelets 2020; 31:717-723. [PMID: 32522064 DOI: 10.1080/09537104.2020.1774532] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Mechanisms related to platelet release in the context of the bone marrow niche are not completely known. In this review we discuss what has been discovered about four critical aspects of this process: 1) the bone marrow niche organization, 2) the role of the extracellular matrix components, 3) the mechanisms by which megakaryocytes release platelets and 4) the novel approaches to mimic the bone marrow environment and produce platelets ex vivo.
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Affiliation(s)
| | | | - Alessandro Malara
- Department of Molecular Medicine, University of Pavia , Pavia, Italy
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Ribeiro P, Leitão L, Monteiro AC, Bortolin A, Moura B, Lamghari M, Neto E. Microfluidic-based models to address the bone marrow metastatic niche complexity. Semin Cell Dev Biol 2020; 112:27-36. [PMID: 32513499 DOI: 10.1016/j.semcdb.2020.05.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/15/2020] [Accepted: 05/19/2020] [Indexed: 12/13/2022]
Abstract
Bone marrow (BM) is a preferential metastatic site for solid cancers, contributing to higher morbidity and mortality among millions of oncologic patients worldwide. There are no current efficient therapies to minimize this health burden. Microfluidic based in vitro models emerge as powerful alternatives to animal testing, as well as promising tools for the development of personalized medicine solutions. The complexity associated with the BM metastatic niche originated a wide variety of microfluidic platforms designed to mimic this microenvironment. This review gathers the essential parameters to design an accurate in vitro microfluidic device, based on a comparative analysis of existing models created to address the different steps of the metastatic cascade.
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Affiliation(s)
- Patrícia Ribeiro
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Associação (i3S), 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, 4200-135 Porto, Portugal; Faculdade de Engenharia da Universidade do Porto (FEUP), 4200-465 Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal
| | - Luís Leitão
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Associação (i3S), 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, 4200-135 Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal
| | - Ana C Monteiro
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Associação (i3S), 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, 4200-135 Porto, Portugal
| | - Andrea Bortolin
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Associação (i3S), 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, 4200-135 Porto, Portugal; Faculdade de Engenharia da Universidade do Porto (FEUP), 4200-465 Porto, Portugal
| | - Beatriz Moura
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Associação (i3S), 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, 4200-135 Porto, Portugal; Faculdade de Engenharia da Universidade do Porto (FEUP), 4200-465 Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal
| | - Meriem Lamghari
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Associação (i3S), 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, 4200-135 Porto, Portugal
| | - Estrela Neto
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Associação (i3S), 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, 4200-135 Porto, Portugal.
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26
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Ribeiro-Filho AC, Levy D, Ruiz JLM, Mantovani MDC, Bydlowski SP. Traditional and Advanced Cell Cultures in Hematopoietic Stem Cell Studies. Cells 2019; 8:cells8121628. [PMID: 31842488 PMCID: PMC6953118 DOI: 10.3390/cells8121628] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 12/02/2019] [Accepted: 12/04/2019] [Indexed: 01/09/2023] Open
Abstract
Hematopoiesis is the main function of bone marrow. Human hematopoietic stem and progenitor cells reside in the bone marrow microenvironment, making it a hotspot for the development of hematopoietic diseases. Numerous alterations that correspond to disease progression have been identified in the bone marrow stem cell niche. Complex interactions between the bone marrow microenvironment and hematopoietic stem cells determine the balance between the proliferation, differentiation and homeostasis of the stem cell compartment. Changes in this tightly regulated network can provoke malignant transformation. However, our understanding of human hematopoiesis and the associated niche biology remains limited due to accessibility to human material and the limits of in vitro culture models. Traditional culture systems for human hematopoietic studies lack microenvironment niches, spatial marrow gradients, and dense cellularity, rendering them incapable of effectively translating marrow physiology ex vivo. This review will discuss the importance of 2D and 3D culture as a physiologically relevant system for understanding normal and abnormal hematopoiesis.
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Affiliation(s)
- Antonio Carlos Ribeiro-Filho
- Organoid Development Team, Center of Innovation and Translational Medicine (CIMTRA), University of São Paulo School of Medicine, Sao Paulo 05360-130, Brazil; (A.C.R.-F.); (M.d.C.M.)
| | - Débora Levy
- Lipids, Oxidation and Cell Biology Team, Laboratory of Immunology (LIM19), Heart Institute (InCor), University of São Paulo School of Medicine, Sao Paulo 05403-900, Brazil;
| | - Jorge Luis Maria Ruiz
- Life and Nature Science Institute, Federal University of Latin American Integration-UNILA, Foz de Iguaçú, PR 858570-901, Brazil;
| | - Marluce da Cunha Mantovani
- Organoid Development Team, Center of Innovation and Translational Medicine (CIMTRA), University of São Paulo School of Medicine, Sao Paulo 05360-130, Brazil; (A.C.R.-F.); (M.d.C.M.)
| | - Sérgio Paulo Bydlowski
- Organoid Development Team, Center of Innovation and Translational Medicine (CIMTRA), University of São Paulo School of Medicine, Sao Paulo 05360-130, Brazil; (A.C.R.-F.); (M.d.C.M.)
- Lipids, Oxidation and Cell Biology Team, Laboratory of Immunology (LIM19), Heart Institute (InCor), University of São Paulo School of Medicine, Sao Paulo 05403-900, Brazil;
- National Institute of Science and Technology in Regenerative Medicine (INCT-Regenera), CNPq, Rio de Janeiro 21941-902, Brazil
- Correspondence:
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Severn CE, Eissa AM, Langford CR, Parker A, Walker M, Dobbe JGG, Streekstra GJ, Cameron NR, Toye AM. Ex vivo culture of adult CD34 + stem cells using functional highly porous polymer scaffolds to establish biomimicry of the bone marrow niche. Biomaterials 2019; 225:119533. [PMID: 31610389 DOI: 10.1016/j.biomaterials.2019.119533] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 09/26/2019] [Accepted: 09/28/2019] [Indexed: 12/12/2022]
Abstract
Haematopoiesis, the process of blood production, occurs from a tiny contingent of haematopoietic stem cells (HSC) in highly specialised three-dimensional niches located within the bone marrow. When haematopoiesis is replicated using in vitro two-dimensional culture, HSCs rapidly differentiate, limiting self-renewal. Emulsion-templated highly porous polyHIPE foam scaffolds were chosen to mimic the honeycomb architecture of human bone. The unmodified polyHIPE material supports haematopoietic stem and progenitor cell (HSPC) culture, with successful culture of erythroid progenitors and neutrophils within the scaffolds. Using erythroid culture methodology, the CD34+ population was maintained for 28 days with continual release of erythroid progenitors. These cells are shown to spontaneously repopulate the scaffolds, and the accumulated egress can be expanded and grown at large scale to reticulocytes. We next show that the polyHIPE scaffolds can be successfully functionalised using activated BM(PEG)2 (1,8-bismaleimido-diethyleneglycol) and then a Jagged-1 peptide attached in an attempt to facilitate notch signalling. Although Jagged-1 peptide had no detectable effect, the BM(PEG)2 alone significantly increased cell egress when compared to controls, without depleting the scaffold population. This work highlights polyHIPE as a novel functionalisable material for mimicking the bone marrow, and also that PEG can influence HSPC behaviour within scaffolds.
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Affiliation(s)
- C E Severn
- School of Biochemistry, Biomedical Sciences Building, University of Bristol, Bristol, BS8 1TD, UK; National Institute for Health Research Blood and Transplant Research Unit (NIHR BTRU) in Red Blood Cell Products, University of Bristol, UK
| | - A M Eissa
- Department of Polymers, Chemical Industries Research Division, National Research Centre, El Bohouth St. 33, Dokki, Giza, 12622, Cairo, Egypt; School of Engineering, University of Warwick, Coventry, CV4 7AL, UK; Department of Chemistry, University of Warwick, Coventry, CV4 7AL, UK
| | - C R Langford
- Department of Materials Science and Engineering, Monash University, Clayton, 3800, Victoria, Australia
| | - A Parker
- School of Biochemistry, Biomedical Sciences Building, University of Bristol, Bristol, BS8 1TD, UK
| | - M Walker
- Department of Physics, University of Warwick, Coventry, CV4 7AL, UK
| | - J G G Dobbe
- Amsterdam UMC, University of Amsterdam, Department of Biomedical Engineering and Physics, Meibergdreef 9, Amsterdam, the Netherlands
| | - G J Streekstra
- Amsterdam UMC, University of Amsterdam, Department of Biomedical Engineering and Physics, Meibergdreef 9, Amsterdam, the Netherlands
| | - N R Cameron
- School of Engineering, University of Warwick, Coventry, CV4 7AL, UK; Department of Materials Science and Engineering, Monash University, Clayton, 3800, Victoria, Australia
| | - A M Toye
- School of Biochemistry, Biomedical Sciences Building, University of Bristol, Bristol, BS8 1TD, UK; National Institute for Health Research Blood and Transplant Research Unit (NIHR BTRU) in Red Blood Cell Products, University of Bristol, UK.
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