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Trentani P, Meredi E, Zarantonello P, Gennai A. Role of Autologous Micro-Fragmented Adipose Tissue in Osteoarthritis Treatment. J Pers Med 2024; 14:604. [PMID: 38929825 PMCID: PMC11205203 DOI: 10.3390/jpm14060604] [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: 02/16/2024] [Revised: 05/08/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
Osteoarthritis (OA) is the most common complex musculoskeletal disorder, resulting from the degeneration of the articular cartilage and characterized by joint pain and dysfunction that culminate in progressive articular cartilage loss. We present our experience in the management of hip and knee OA by means of the intra-articular injection of fat micrograft, describing our approach, which was developed from the belief in the powerful reparative effect of autologous fat graft on damaged tissue, as well as its natural lubricating effect on the joints. Inclusion criteria were as follows: men and women, aged 20 to 80 years, that referred articular pain of the hips and/or knees, showing initial-stage degenerative OA. From October 2018 to July 2023, a total of 250 patients underwent treatment with the Sefficare® device (SEFFILINE srl, Bologna, Italy). The Superficial Enhanced Fluid Fat Injection device was used to perform autologous regenerative treatments in a safe, standardized, easy, and effective way on 160 women, 64%, and 90 men, 36%. A total of 190 procedures (76%) involved the knees, with 20 patients who were bilaterally treated, while 60 procedures, all unilateral, involved the hips (24%). The mean age at treatment was 52.4 years. Before treatment, each patient had undergone X-rays and Magnetic Resonance Imaging (MRI) of the painful hip/knee to evaluate and grade the articular OA. Postoperatively, each patient was assessed after one, three, six, and twelve months. The donor site postoperative course was uneventful other than minimal discomfort. Clinically, the ROM (range of motion) of the treated knee/hip increased an average of 10 degrees 3 months after treatment, but the stiffness was reduced, as reported by the patients. The VAS (Visual Analog Scale) was submitted at 3, 6, and 12 months, demonstrating a progressive reduction of pain, with the best score obtained at six months postoperatively. In total, 85% of patients were satisfied one year after treatment, with a considerable improvement in pain and quality of life. The satisfactory outcome of this minimally invasive procedure indicates that the intra-articular injection of fat micrograft can replace or considerably delay the need for the classical major joint replacement surgery, thanks to its impact on the quality of life of patients and financial cost.
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Affiliation(s)
| | - Elena Meredi
- Inail Insurance Medicine Center, 40100 Bologna, Italy;
| | - Paola Zarantonello
- IRCCS Rizzoli Ortopaedic Institute Bologna-Argenta, 40100 Bologna, Italy
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2
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Cremona M, Rusconi G, Ferrario A, Mariotta L, Gola M, Soldati G. Processing Adipose Tissue Samples in a GMP Environment Standardizes the Use of SVF in Cell Therapy Treatments: Data on 302 Patients. Biomedicines 2023; 11:2533. [PMID: 37760974 PMCID: PMC10525825 DOI: 10.3390/biomedicines11092533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/09/2023] [Accepted: 08/25/2023] [Indexed: 09/29/2023] Open
Abstract
Stromal vascular fraction (SVF) cells, together with adipose-derived mesenchymal stem cells, are becoming the tool of choice for many clinical applications. Currently, nearly 200 clinical trials are running worldwide to prove the efficacy of this cell type in treating many diseases and pathological conditions. To reach the goals of cell therapies and produce ATMPs as drugs for regenerative medicine, it is necessary to properly standardize GMP processes and, thus, collection methods, transportation strategies, extraction protocols, and characterization procedures, without forgetting that all the tissues of the human body are characterized by a wide inter-individual variability which is genetically determined and acquired during life. Here, we compare 302 samples processed under GMP rules to exclude the influence of the operator and of the anatomical site of collection. The influence of variability in the ages and genders of patients, along with laboratory parameters such as total cell number, cell viability, stem cell number, and other stromal vascular fraction cell subpopulations, has been compared. The results show that when the laboratory protocol is standardized, the variability of quantifiable cell parameters is widely statistically non-significant, meaning that we can take a further step toward standardized advanced cell therapy products.
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Affiliation(s)
- Martina Cremona
- Swiss Stem Cell Foundation, 6900 Lugano, Switzerland; (M.C.)
| | - Giulio Rusconi
- Swiss Stem Cell Foundation, 6900 Lugano, Switzerland; (M.C.)
| | | | - Luca Mariotta
- Swiss Stem Cell Foundation, 6900 Lugano, Switzerland; (M.C.)
- Swiss Stem Cells Biotech AG, 8008 Zürich, Switzerland
| | - Mauro Gola
- Swiss Stem Cell Foundation, 6900 Lugano, Switzerland; (M.C.)
| | - Gianni Soldati
- Swiss Stem Cell Foundation, 6900 Lugano, Switzerland; (M.C.)
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3
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Liang Z, He Y, Tang H, Li J, Cai J, Liao Y. Dedifferentiated fat cells: current applications and future directions in regenerative medicine. Stem Cell Res Ther 2023; 14:207. [PMID: 37605289 PMCID: PMC10441730 DOI: 10.1186/s13287-023-03399-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 06/13/2023] [Indexed: 08/23/2023] Open
Abstract
Stem cell therapy is the most promising treatment option for regenerative medicine. Therapeutic effect of different stem cells has been verified in various disease model. Dedifferentiated fat (DFAT) cells, derived from mature adipocytes, are induced pluripotent stem cells. Compared with ASCs and other stem cells, the DFAT cells have unique advantageous characteristics in their abundant sources, high homogeneity, easily harvest and low immunogenicity. The DFAT cells have shown great potential in tissue engineering and regenerative medicine for the treatment of clinical problems such as cardiac and kidney diseases, autoimmune disease, soft and hard tissue defect. In this review, we summarize the current understanding of DFAT cell properties and focus on the relevant practical applications of DFAT cells in cell therapy in recent years.
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Affiliation(s)
- Zhuokai Liang
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yufei He
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Haojing Tang
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Jian Li
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Junrong Cai
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
| | - Yunjun Liao
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
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4
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Gennai A, Baldessin M, Melfa F, Bovani B, Camporese A, Claysset B, Colli M, Diaspro A, Russo R, Strano P, Bollero D, Capparè G, Casadei A, Gallo G, Piccolo D, Salti G, Tesauro P. Guided Superficial Enhanced Fluid Fat Injection (SEFFI) Procedures for Facial Rejuvenation: An Italian Multicenter Retrospective Case Report. Clin Pract 2023; 13:924-943. [PMID: 37623266 PMCID: PMC10453478 DOI: 10.3390/clinpract13040085] [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: 04/17/2023] [Revised: 05/22/2023] [Accepted: 07/03/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND The aging process starts in the center of the face, in the periocular region and around the mouth, with a combination of volume loss, tissue descent, deepened wrinkles, and the loss of skin structure and quality. Recently, several studies have demonstrated the efficacy of therapies based on autologous adipose tissue grafting, which leverages the properties of stromal vascular fraction (SVF) and adipose-derived mesenchymal stem cells (ADSCs) to accelerate the regenerative processes of the skin. This study aims to verify the ability of guided superficial enhanced fluid fat injection (SEFFI) in the facial area to correct volume loss and skin aging, proving that this standardized procedure has a very low rate of complications. METHODS We retrospectively collected data from 2365 procedures performed in Italian centers between 2019 and 2021. Guided SEFFI was performed alone or combined with cosmetic treatments, including the use of hyaluronic acid filler, suspension threads, synthetic calcium hydroxylapatite, botulin toxin, and microneedling. RESULTS guided SEFFI was used alone in more than 60% of the patients and in all facial areas. In about one-tenth of the patients, guided SEFFI was combined with a botulin toxin treatment or hyaluronic acid filling. Other procedures were used more rarely. Ecchymosis in the donor or injection sites was the most frequent adverse event but was only observed in 14.2% and 38.6% of the patients, respectively. CONCLUSIONS The guided SEFFI technique is standardized and minimally invasive, leading to very few complications. It constitutes a promising antiaging medical treatment that combines effectiveness, safety, and simplicity.
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Affiliation(s)
| | | | | | - Bruno Bovani
- Centro di Chirurgia Ambulatoriale Esculapio, 06124 Perugia, Italy;
| | | | | | | | - Alberto Diaspro
- Rigeneralab Centre for Regenerative Medicine Torino, 10134 Torino, Italy;
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5
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Lim YC, Jung JI, Hong IK. A Novel Method for Human Adipose-Derived Stem Cell Isolation and Cryopreservation. Cell Reprogram 2023; 25:171-179. [PMID: 37590008 DOI: 10.1089/cell.2023.0017] [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] [Indexed: 08/18/2023] Open
Abstract
Adipose-derived stem cells (ADSCs) are isolated from abundant adipose tissue and have the capacity to differentiate into multiple cell lineages. ADSCs have raised big interest in therapeutic applications in regenerative medicine and demonstrated to fulfill the criteria for a successful cell therapy. There are several methods for isolation of ADSCs from adipose tissue and cryopreservation of ADSCs. Here, novel methods for the isolation and cryopreservation of ADSCs are presented and focused. Microscopic pieces of adipose tissue were placed on transwell inserts, and the ADSCs were induced to migrate to the lower wells for 1 week. We compared the properties of our ADSCs with those isolated by enzymatic digestion and enzyme-free method of culture plate, and our ADSCs were found to be more stable and healthier. In addition, we proposed a novel cryoprotectant solution (FNCP) containing pectin and L-alanine, which was compared with standard cryoprotectant solution. Overall, our methods proved more useful for ADSCs isolation than other methods and did not require consideration of "minimal manipulation" by the U.S. Food and Drug Administration (FDA). Furthermore, our FNCP did not contain dimethyl sulfoxide and fetal bovine serum, therefore stable storage is possible in xeno-free and animal-free cryopreservation solutions.
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Affiliation(s)
- Young-Cheol Lim
- Bio Lab. Efficacy Research Team, Frombio. Co., Ltd, Yongin-si, Republic of Korea
| | - Jung-Il Jung
- Bio Lab. Efficacy Research Team, Frombio. Co., Ltd, Yongin-si, Republic of Korea
| | - In-Kee Hong
- Bio Lab. Efficacy Research Team, Frombio. Co., Ltd, Yongin-si, Republic of Korea
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6
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Wang J, Cai J, Zhang Q, Wen J, Liao Y, Lu F. Fat transplantation induces dermal adipose regeneration and reverses skin fibrosis through dedifferentiation and redifferentiation of adipocytes. Stem Cell Res Ther 2022; 13:499. [PMID: 36210466 PMCID: PMC9549649 DOI: 10.1186/s13287-022-03127-0] [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: 06/11/2022] [Accepted: 08/07/2022] [Indexed: 11/18/2022] Open
Abstract
Background Localized scleroderma causes cosmetic disfigurement, joint contractures, and other functional impairment, but no currently available medications can reverse the resulting skin lesions. Fat grafting is beneficial for reversing skin fibrosis; however, the mechanism by which adipose tissue transplantation contributes to lesion improvement has not been fully clarified. The purpose of our study was to verify the therapeutic effect of fat grafts in reversing skin fibrosis. Methods Inguinal fat pads from AdipoqCreER+;mT/mG mice, which were treated with tamoxifen, were transplanted to the skin lesion in bleomycin-treated wild-type C57 mice. Tdtomato transgenic mice-derived adipocytes, adipose-derived stem cells (ASCs), dedifferentiated adipocytes (DAs) were embedded in matrigel and transplanted beneath the skin lesion of bleomycin-treated wild-type C57 mice. A transwell co‐culture system was used to verify the effect of ASCs, adipocytes or DAs on scleroderma fibroblasts or monocytes. Results Adipocytes from the fat grafts could undergo dedifferentiation and redifferentiation for dermal adipose tissue re-accumulation within the skin lesion. Moreover, compared with ASCs and adipocytes, DAs show greater potency of inducing adipogenesis. ASCs and DAs showed comparable effect on inducing angiogenesis and suppressing macrophage infiltration in fibrotic skin. Co-culture assay showed that DAs and ASCs were able to reduce fibrosis-related genes in human scleroderma fibroblasts and drive M2 macrophage polarization. Conclusion Our results indicated that adipocytes would transform into a more functional and dedifferentiated state and reverse dermal fibrosis, by promoting dermal adipose tissue regeneration, improving angiogenesis, suppressing macrophage-mediated inflammation and myofibroblast accumulation.
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7
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Satani N, Parsha K, Savitz SI. Enhancing Stroke Recovery With Cellular Therapies. Stroke 2022. [DOI: 10.1016/b978-0-323-69424-7.00062-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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8
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Milan G, Conci S, Sanna M, Favaretto F, Bettini S, Vettor R. ASCs and their role in obesity and metabolic diseases. Trends Endocrinol Metab 2021; 32:994-1006. [PMID: 34625375 DOI: 10.1016/j.tem.2021.09.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/23/2021] [Accepted: 09/03/2021] [Indexed: 01/04/2023]
Abstract
We describe adipose stromal/stem cells (ASCs) in the structural/functional context of the adipose tissue (AT) stem niche (adiponiche), including cell-cell interactions and the microenvironment, and emphasize findings obtained in humans and in lineage-tracing models. ASCs have distinctive markers, 'colors', and anatomical 'locations' which influence their functions. Each adiponiche component can become impaired, thereby contributing to the pathological AT alterations seen in obesity and metabolic diseases. We discuss adiposopathy with a focus on adiponiche dysfunction, and underline the mechanisms that control AT expansion and energy balance. Better understanding of adiponiche regulation and ASC features could help to identify therapeutic targets that favor weight loss and counteract weight regain, and also contribute to innovative strategies for regenerative medicine.
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Affiliation(s)
- Gabriella Milan
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy.
| | - Scilla Conci
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy
| | - Marta Sanna
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy
| | - Francesca Favaretto
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy
| | - Silvia Bettini
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy
| | - Roberto Vettor
- Department of Medicine, University of Padua, Internal Medicine 3, 35128 Padua, Italy; Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128 Padua, Italy
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9
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Adipose-derived stem cells and obesity: The spear and shield relationship. Genes Dis 2021; 10:175-186. [PMID: 37013055 PMCID: PMC10066342 DOI: 10.1016/j.gendis.2021.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 08/11/2021] [Accepted: 09/08/2021] [Indexed: 11/24/2022] Open
Abstract
With the transformation of modern lifestyles and population ageing, obesity has become a global epidemic, as one of the important threat to human health of chronic non-communicable diseases (NCD). Stem cell therapy seems promising as an alternative strategy for managing obesity and related metabolic problems. Adipose tissue-derived stem cells (ADSCs) have received widespread attention, which provides new ideas for the treatment of obesity and various metabolic-related diseases, due to their abundant reserves, easy acquisition, rapid expansion, and multi-directional differentiation potential, low immunogenicity and many other advantages. Accordingly, there seems to be a "shield and spear paradox" in the relationship between ADSCs and obesity. In this review, we emphatically summarized the role of ADSCs in the occurrence and development of obesity and related metabolic disease processes, in order to pave the way for clinical practice.
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10
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Challenges and advances in clinical applications of mesenchymal stromal cells. J Hematol Oncol 2021; 14:24. [PMID: 33579329 PMCID: PMC7880217 DOI: 10.1186/s13045-021-01037-x] [Citation(s) in RCA: 260] [Impact Index Per Article: 86.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 01/26/2021] [Indexed: 12/12/2022] Open
Abstract
Mesenchymal stromal cells (MSCs), also known as mesenchymal stem cells, have been intensely investigated for clinical applications within the last decades. However, the majority of registered clinical trials applying MSC therapy for diverse human diseases have fallen short of expectations, despite the encouraging pre-clinical outcomes in varied animal disease models. This can be attributable to inconsistent criteria for MSCs identity across studies and their inherited heterogeneity. Nowadays, with the emergence of advanced biological techniques and substantial improvements in bio-engineered materials, strategies have been developed to overcome clinical challenges in MSC application. Here in this review, we will discuss the major challenges of MSC therapies in clinical application, the factors impacting the diversity of MSCs, the potential approaches that modify MSC products with the highest therapeutic potential, and finally the usage of MSCs for COVID-19 pandemic disease.
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11
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Hu C, Zaitseva TS, Alcazar C, Tabada P, Sawamura S, Yang G, Borrelli MR, Wan DC, Nguyen DH, Paukshto MV, Huang NF. Delivery of Human Stromal Vascular Fraction Cells on Nanofibrillar Scaffolds for Treatment of Peripheral Arterial Disease. Front Bioeng Biotechnol 2020; 8:689. [PMID: 32766213 PMCID: PMC7380169 DOI: 10.3389/fbioe.2020.00689] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 06/02/2020] [Indexed: 01/14/2023] Open
Abstract
Cell therapy for treatment of peripheral arterial disease (PAD) is a promising approach but is limited by poor cell survival when cells are delivered using saline. The objective of this study was to examine the feasibility of aligned nanofibrillar scaffolds as a vehicle for the delivery of human stromal vascular fraction (SVF), and then to assess the efficacy of the cell-seeded scaffolds in a murine model of PAD. Flow cytometric analysis was performed to characterize the phenotype of SVF cells from freshly isolated lipoaspirate, as well as after attachment onto aligned nanofibrillar scaffolds. Flow cytometry results demonstrated that the SVF consisted of 33.1 ± 9.6% CD45+ cells, a small fraction of CD45–/CD31+ (4.5 ± 3.1%) and 45.4 ± 20.0% of CD45–/CD31–/CD34+ cells. Although the subpopulations of SVF did not change significantly after attachment to the aligned nanofibrillar scaffolds, protein secretion of vascular endothelial growth factor (VEGF) significantly increased by six-fold, compared to SVF cultured in suspension. Importantly, when SVF-seeded scaffolds were transplanted into immunodeficient mice with induced hindlimb ischemia, the cell-seeded scaffolds induced a significant higher mean perfusion ratio after 14 days, compared to cells delivered using saline. Together, these results show that aligned nanofibrillar scaffolds promoted cellular attachment, enhanced the secretion of VEGF from attached SVF cells, and their implantation with attached SVF cells stimulated blood perfusion recovery. These findings have important therapeutic implications for the treatment of PAD using SVF.
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Affiliation(s)
- Caroline Hu
- Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, United States
| | | | - Cynthia Alcazar
- Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, United States
| | - Peter Tabada
- Fibralign Corporation, Inc., Union City, CA, United States
| | - Steve Sawamura
- Fibralign Corporation, Inc., Union City, CA, United States
| | - Guang Yang
- The Stanford Cardiovascular Institute, Stanford University, Palo Alto, CA, United States.,Department of Cardiothoracic Surgery, Stanford University, Palo Alto, CA, United States
| | - Mimi R Borrelli
- Division of Plastic and Reconstructive Surgery, Stanford University, Palo Alto, CA, United States
| | - Derrick C Wan
- Division of Plastic and Reconstructive Surgery, Stanford University, Palo Alto, CA, United States
| | - Dung H Nguyen
- Division of Plastic and Reconstructive Surgery, Stanford University, Palo Alto, CA, United States
| | | | - Ngan F Huang
- Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, United States.,The Stanford Cardiovascular Institute, Stanford University, Palo Alto, CA, United States.,Department of Cardiothoracic Surgery, Stanford University, Palo Alto, CA, United States
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12
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Rossi M, Roda B, Zia S, Vigliotta I, Zannini C, Alviano F, Bonsi L, Zattoni A, Reschiglian P, Gennai A. Characterization of the Tissue and Stromal Cell Components of Micro-Superficial Enhanced Fluid Fat Injection (Micro-SEFFI) for Facial Aging Treatment. Aesthet Surg J 2020; 40:679-690. [PMID: 29905790 DOI: 10.1093/asj/sjy142] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND New microfat preparations provide material suitable for use as a regenerative filler for different facial areas. To support the development of new robust techniques for regenerative purposes, the cellular content of the sample should be considered. OBJECTIVES To evaluate the stromal vascular fraction (SVF) cell components of micro-superficial enhanced fluid fat injection (SEFFI) samples via a technique to harvest re-injectable tissue with minimum manipulation. The results were compared to those obtained from SEFFI samples. METHODS Microscopy analysis was performed to visualize the tissue structure. Micro-SEFFI samples were also fractionated using Celector,® an innovative non-invasive separation technique, to provide an initial evaluation of sample fluidity and composition. SVFs obtained from SEFFI and micro-SEFFI were studied. Adipose stromal cells (ASCs) were isolated and characterized by proliferation and differentiation capacity assays. RESULTS Microscopic and quality analyses of micro-SEFFI samples by Celector® confirmed the high fluidity and sample cellular composition in terms of red blood cell contamination, the presence of cell aggregates, and extracellular matrix fragments. ASCs were isolated from adipose tissue harvested using SEFFI and micro-SEFFI systems. These cells were demonstrated to have a good proliferation rate and differentiation potential towards mesenchymal lineages. CONCLUSIONS Despite the small sizes and low cellularity observed in micro-SEFFI-derived tissue, we were able to isolate stem cells. This result partially explains the regenerative potential of autologous micro-SEFFI tissue grafts. In addition, using this novel Celector® technology, tissues used for aging treatment were characterized analytically, and the adipose tissue composition was evaluated with no need for extra sample processing. LEVEL OF EVIDENCE: 5
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Affiliation(s)
- Martina Rossi
- Department of Experimental, Diagnostic and Specialty Medicine, Unit of Histology, Embryology and Applied Biology, University of Bologna, Bologna, Italy
| | - Barbara Roda
- Department of Chemistry, University of Bologna, Bologna, Italy
| | | | | | - Chiara Zannini
- Department of Experimental, Diagnostic and Specialty Medicine, Unit of Histology, Embryology and Applied Biology, University of Bologna, Bologna, Italy
| | - Francesco Alviano
- Department of Experimental, Diagnostic and Specialty Medicine, Unit of Histology, Embryology and Applied Biology, University of Bologna, Bologna, Italy
| | - Laura Bonsi
- Department of Experimental, Diagnostic and Specialty Medicine, Unit of Histology, Embryology and Applied Biology, University of Bologna, Bologna, Italy
| | - Andrea Zattoni
- Department of Chemistry, University of Bologna, Bologna, Italy
| | | | - Alessandro Gennai
- Center for Clinical Research, Telemedicine and Telepharmacy, University of Camerino, Camerino, Italy
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13
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TGF-ß1 Induces Changes in the Energy Metabolism of White Adipose Tissue-Derived Human Adult Mesenchymal Stem/Stromal Cells In Vitro. Metabolites 2020; 10:metabo10020059. [PMID: 32046088 PMCID: PMC7074410 DOI: 10.3390/metabo10020059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 01/27/2020] [Accepted: 02/05/2020] [Indexed: 12/19/2022] Open
Abstract
Adipose tissue plays an active role in the regulation of the body’s energy balance. Mesenchymal stem/stromal cells from adipose tissue (adMSC) are the precursor cells for repair and adipogenesis. Since the balance of the differentiation state of adipose tissue-resident cells is associated with the development of various diseases, the examination of the regulation of proliferation and differentiation of adMSC might provide new therapeutic targets. Transforming growth factor-β1 (TGF-ß1) is synthetized by many cell types and is involved in various biological processes. Here, we investigated the effects of different concentrations of TGF-ß1 (1–10 ng/mL) on adMSC proliferation, metabolic activity, and analyzed the gene expression data obtained from DNA microarrays by bioinformatics. TGF-ß1 induced the concentration- and time-dependent increase in the cell number of adMSC with simultaneously unchanged cell cycle distributions. The basal oxygen consumption rates did not change significantly after TGF-ß1 exposure. However, glycolytic activity was significantly increased. The gene expression analysis identified 3275 differentially expressed genes upon exposure to TGF-ß1. According to the pathway enrichment analyses, they also included genes associated with energy metabolism. Thus, it was shown that TGF-ß1 induces changes in the energy metabolism of adMSC. Whether these effects are of relevance in vivo and whether they contribute to pathogenesis should be addressed in further examinations.
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14
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Muñoz MF, Argüelles S, Marotta F, Barbagallo M, Cano M, Ayala A. Effect of Age and Lipoperoxidation in Rat and Human Adipose Tissue-Derived Stem Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6473279. [PMID: 33425211 PMCID: PMC7775166 DOI: 10.1155/2020/6473279] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 11/08/2020] [Accepted: 11/19/2020] [Indexed: 02/07/2023]
Abstract
A wide range of clinical applications in regenerative medicine were opened decades ago with the discovery of adult stem cells. Highly promising adult stem cells are mesenchymal stem/stromal cells derived from adipose tissue (ADSCs), primarily because of their abundance and accessibility. These cells have multipotent properties and have been used extensively to carry out autologous transplants. However, the biology of these cells is not entirely understood. Among other factors, the regeneration capacity of these cells will depend on both their capacity of proliferation/differentiation and the robustness of the biochemical pathways that allow them to survive under adverse conditions like those found in damaged tissues. The transcription factors, such as Nanog and Sox2, have been described as playing an important role in stem cell proliferation and differentiation. Also, the so-called longevity pathways, in which AMPK and SIRT1 proteins play a crucial role, are essential for cell homeostasis under stressful situations. These pathways act by inhibiting the translation through downregulation of elongation factor-2 (eEF2). In order to deepen knowledge of mesenchymal stem cell biology and which factors are determinant in the final therapeutic output, we evaluate in the present study the levels of all of these proteins in the ADSCs from humans and rats and how these levels are affected by aging and the oxidative environment. Due to the effect of aging and oxidative stress, our results suggest that before performing a cell therapy with ADSCs, several aspects reported in this study such as oxidative stress status and proliferation and differentiation capacity should be assessed on these cells. This would allow us to know the robustness of the transplanted cells and to predict the therapeutic result, especially in elder patients, where probably ADSCs do not carry out their biological functions in an optimal way.
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Affiliation(s)
- Mario F. Muñoz
- 1Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla, Spain
| | - Sandro Argüelles
- 2Departamento de Fisiología, Facultad de Farmacia, Universidad de Sevilla, Spain
| | - Francesco Marotta
- 3ReGenera R&D International for Aging Intervention & Vitality Therapeutics, San Babila Clinic, Milan, Italy
| | - Mario Barbagallo
- 4Department of Geriatrics and Internal Medicine, University of Palermo, Italy
| | - Mercedes Cano
- 2Departamento de Fisiología, Facultad de Farmacia, Universidad de Sevilla, Spain
| | - Antonio Ayala
- 1Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad de Sevilla, Spain
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15
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Belligoli A, Compagnin C, Sanna M, Favaretto F, Fabris R, Busetto L, Foletto M, Dal Prà C, Serra R, Prevedello L, Da Re C, Bardini R, Mescoli C, Rugge M, Fioretto P, Conci S, Bettini S, Milan G, Vettor R. Characterization of subcutaneous and omental adipose tissue in patients with obesity and with different degrees of glucose impairment. Sci Rep 2019; 9:11333. [PMID: 31383894 PMCID: PMC6683173 DOI: 10.1038/s41598-019-47719-y] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 07/12/2019] [Indexed: 01/05/2023] Open
Abstract
Although obesity represents a risk factor for the development of type 2 diabetes mellitus (T2DM), the link between these pathological conditions is not so clear. The manner in which the different elements of adipose tissue (AT) interplay in order to grow has been suggested to have a role in the genesis of metabolic complications, but this has not yet been fully addressed in humans. Through IHC, transmission electron microscopy, cytometry, and in vitro cultures, we described the morphological and functional changes of subcutaneous and visceral AT (SAT and VAT) in normoglycemic, prediabetic and T2DM patients with obesity compared to lean subjects. In both SAT and VAT we measured a hypertrophic and hyperplastic expansion, causing similar vascular rarefaction in obese patients with different degrees of metabolic complications. Capillaries display dysfunctional basement membrane thickening only in T2DM patients evidencing VAT as a new target of T2DM microangiopathy. The largest increase in adipocyte size and decrease in adipose stem cell number and adipogenic potential occur both in T2DM and in prediabetes. We showed that SAT and VAT remodeling with stemness deficit is associated with early glucose metabolism impairment suggesting the benefit of an AT-target therapy controlling hypertrophy and hyperplasia already in prediabetic obese patients.
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Affiliation(s)
- Anna Belligoli
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Chiara Compagnin
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Marta Sanna
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Francesca Favaretto
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Roberto Fabris
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Luca Busetto
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Mirto Foletto
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Chiara Dal Prà
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Roberto Serra
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Luca Prevedello
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Chiara Da Re
- Department of Surgical, Oncological and Gastroenterological Sciences, University of Padua, Division of General Surgery, 35128, Padua, Italy
| | - Romeo Bardini
- Department of Surgical, Oncological and Gastroenterological Sciences, University of Padua, Division of General Surgery, 35128, Padua, Italy
| | - Claudia Mescoli
- Department of Medicine, University of Padua, Surgical Pathology and Cytopathology Unit, 35121, Padua, Italy
| | - Massimo Rugge
- Department of Medicine, University of Padua, Surgical Pathology and Cytopathology Unit, 35121, Padua, Italy
| | - Paola Fioretto
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
| | - Scilla Conci
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Silvia Bettini
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
| | - Gabriella Milan
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy.
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy.
| | - Roberto Vettor
- Department of Medicine, University of Padua, Internal Medicine 3, 35128, Padua, Italy
- Center for the Study and the Integrated Treatment of Obesity, Padua Hospital, 35128, Padua, Italy
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16
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Inoue O, Usui S, Takashima SI, Nomura A, Yamaguchi K, Takeda Y, Goten C, Hamaoka T, Ootsuji H, Murai H, Kaneko S, Takamura M. Diabetes impairs the angiogenic capacity of human adipose-derived stem cells by reducing the CD271 + subpopulation in adipose tissue. Biochem Biophys Res Commun 2019; 517:369-375. [PMID: 31362891 DOI: 10.1016/j.bbrc.2019.07.081] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 07/21/2019] [Indexed: 12/18/2022]
Abstract
Type 2 diabetes mellitus is an important risk factor for cardiovascular diseases (CVDs). Therapeutic angiogenesis using adipose-derived stem cells (ADSCs) is attractive for CVD therapy. However, although it would be critical for ADSC application on CVD therapy, whether and how diabetes impairs human ADSC therapeutic potential is still uncertain. In this study, we aimed to investigate the impact of diabetes on the angiogenic potential of ADSCs in patients with CVDs, with special focus on stemness-related genes and cellular alteration of ADSCs. We established cultured ADSCs from diabetic (DM-ADSCs) and non-diabetic patients (nonDM-ADSCs) with CVDs. DM-ADSCs demonstrated limited proliferative capacity and reduced paracrine capacity of VEGF, with lower expression of the stemness gene SOX2. Angiogenic capacity and ADSC engraftment were assessed using xenograft experiments in a hindlimb ischemia model of athymic nude mice. Consistent with the results of in vitro assays, DM-ADSCs did not rescue limb ischemia. In contrast, nonDM-ADSCs induced neovascularization with enhanced engraftment. To elucidate the mechanism underlying these ADSC changes, we compared the surface marker profiles of freshly isolated ADSCs obtained from diabetic and non-diabetic patients by flow cytometry. Among studied subsets, the CD34+CD31-CD271+ subpopulation was reduced in the adipose tissues of diabetic patients. In addition, SOX2 expression and proliferative capacity were considerably reduced in nonDM-ADSCs derived from the stromal vascular fraction (SVF) with depletion of CD271+ cells (p < 0.01). Our observations elucidated that reduced CD271+ subpopulation is critical for the impairment of ADSCs in diabetic patients. Further investigations on the CD271+ subset of ADSCs might provide novel insights into the mechanisms and solutions for diabetes-related ADSC dysfunction in cell therapy.
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Affiliation(s)
- Oto Inoue
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan; Department of System Biology, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
| | - Soichiro Usui
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan.
| | - Shin-Ichiro Takashima
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan
| | - Ayano Nomura
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan
| | - Kosei Yamaguchi
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan
| | - Yusuke Takeda
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan
| | - Chiaki Goten
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan; Department of System Biology, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
| | - Takuto Hamaoka
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan
| | - Hiroshi Ootsuji
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan
| | - Hisayoshi Murai
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan
| | - Shuichi Kaneko
- Department of System Biology, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
| | - Masayuki Takamura
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kanazawa University Kanazawa, Japan
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17
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Human adipocytes and CD34 + cells from the stromal vascular fraction of the same adipose tissue differ in their energy metabolic enzyme configuration. Exp Cell Res 2019; 380:47-54. [PMID: 31002814 DOI: 10.1016/j.yexcr.2019.04.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 03/26/2019] [Accepted: 04/15/2019] [Indexed: 01/24/2023]
Abstract
Adipose tissue plays a role in energy storage and metabolic balance and is composed of different cell types. The metabolic activity of the tissue itself has been a matter of research for a long time, but comparative data about the energy metabolism of different cell types of human subcutaneous adipose tissue are sparse. Therefore, we compared the activity of major energy metabolic pathways of adipocytes and CD34+ cells from the stromal vascular fraction (SVF) separated from the same tissue. This CD34+ cell fraction is enriched with adipose tissue-derived mesenchymal progenitors, as they account for the largest proportion of CD34+ cells of the SVF. Adipocytes displayed significantly higher mitochondrial enzyme capacities compared to CD34+ SVF-cells, as shown by the higher activities of isocitrate dehydrogenase and ß-hydroxyacyl-CoA dehydrogenase. Inversely, the CD34+ SVF-cells showed higher capacities for cytosolic carbohydrate metabolism, represented by the activity of glycolysis and the pentose phosphate pathway. Thus, the CD34+ SVF-cells may ensure the provision of pentose phosphates and reduction equivalents for the replication of DNA during proliferation. The data indicate that these two cell fractions of the human adipose tissue vary in their metabolic configuration adapted to their physiological demands regarding proliferation and differentiation in vivo.
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18
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Extracts from Myrtle Liqueur Processing Waste Modulate Stem Cells Pluripotency under Stressing Conditions. BIOMED RESEARCH INTERNATIONAL 2019; 2019:5641034. [PMID: 31309107 PMCID: PMC6594338 DOI: 10.1155/2019/5641034] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 05/23/2019] [Indexed: 12/15/2022]
Abstract
Nutraceuticals present in food are molecules able to exert biological activity for the prevention and treatment of various diseases, in form of pharmaceutical preparations, such as capsules, cream, or pills. Myrtus communis L. is a spontaneous Mediterranean evergreen shrub, widely known for the liqueur obtained from its berries rich in phytochemicals such as tannins and flavonoids. In the present study, we aimed to evaluate the properties of myrtle byproducts, residual of the industrial liqueur processing, in Adipose-derived stem cells (ADSCs) induced at oxidative stress by in vitro H2O2 treatment. Cells were exposed for 12-24 and 48h at treatment with extracts and then senescence-induced. ROS production was then determined. The real-time PCR was performed to evaluate the expression of inflammatory cytokines and sirtuin-dependent epigenetic changes, as well the modifications in terms of stem cell pluripotency. The β-galactosidase assay was conducted to analyze stem cell senescence after treatment. Our results show that industrial myrtle byproducts retain a high antioxidant and antisenescence activity, protecting cells from oxidative stress damages. The results obtained suggest that residues from myrtle liqueur production could be used as resource in formulation of food supplements or pharmaceutical preparations with antioxidant, antiaging, and anti-inflammatory activity.
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19
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García-Vázquez MD, Herrero de la Parte B, García-Alonso I, Morales MC. [Analysis of Biological Properties of Human Adult Mesenchymal Stem Cells and Their Effect on Mouse Hind Limb Ischemia]. J Vasc Res 2019; 56:77-91. [PMID: 31079101 DOI: 10.1159/000498919] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 02/13/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Due to their self-renewal, proliferation, differentiation, and angiogenesis-inducing capacity, human adipose mesenchymal stem cells (AMSC) have potential clinical applications in the treatment of limb ischemia. AMSC from healthy donors have been shown to induce neovascularization in animal models. However, when cells were obtained from donors suffering from any pathology, their autologous application showed limited effectiveness. We studied whether liposuction niche and obesity could determine the regenerative properties of cells meaning that not all cell batches are suitable for clinical practice. METHODS AMSC obtained from 10 donors, obese and healthy, were expanded in vitro following a good manufacturing practice-like production protocol. Cell viability, proliferation kinetics, morphological analysis, phenotype characterization, and stemness potency were assessed over the course of the expansion process. AMSC selected for having the most suitable biological properties were used as an experimental treatment in a preclinical mouse model of hind limb ischemia. RESULT All cell batches were positively characterized as mesenchymal stem cells, but not all of them showed the same properties or were successfully expanded in vitro, depending on the characteristics of the donor and the extraction area. Notably, AMSC from the abdomen of obese donors showed undesirable biological properties. AMSC with low duplication times and multilineage differentiation potential and forming large densely packed colonies, were able, following expansion in vitro, to increase neovascularization and repair when implanted in the ischemic tissue of mice. CONCLUSION An extensive AMSC biological properties study could be useful to predict the potential clinical efficacy of cells before in vivo transplantation. Thus, peripheral ischemia and possibly other pathologies could benefit from stem cell treatments as shown in our preclinical model in terms of tissue damage repair and regeneration after ischemic injury.
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Affiliation(s)
| | - Borja Herrero de la Parte
- Department of Surgery and Radiology and Physical Medicine, University of the Basque Country, Leioa, Spain
| | - Ignacio García-Alonso
- Department of Surgery and Radiology and Physical Medicine, University of the Basque Country, Leioa, Spain
| | - María-Celia Morales
- Department of Cell Biology and Histology, University of the Basque Country, Leioa, Spain,
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20
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hASC and DFAT, Multipotent Stem Cells for Regenerative Medicine: A Comparison of Their Potential Differentiation In Vitro. Int J Mol Sci 2017; 18:ijms18122699. [PMID: 29236047 PMCID: PMC5751300 DOI: 10.3390/ijms18122699] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 11/23/2017] [Accepted: 12/09/2017] [Indexed: 01/01/2023] Open
Abstract
Adipose tissue comprises both adipose and non-adipose cells such as mesenchymal stem cells. These cells show a surface antigenic profile similar to that of bone-marrow-derived MSC. The cells derived from the dedifferentiation of mature adipocytes (DFAT) are another cell population with characteristics of stemness. The aim of this study is to provide evidence of the stemness, proliferation, and differentiation of human adipose stem cells (hASC) and DFAT obtained from human subcutaneous AT and evaluate their potential use in regenerative medicine. Cell populations were studied by histochemical and molecular biology techniques. Both hASC and DFAT were positive for MSC markers. Their proliferative capacity was similar and both populations were able to differentiate into osteogenic, chondrogenic, and adipogenic lineages. DFAT were able to accumulate lipids and their lipoprotein lipase and adiponectin gene expression were high. Alkaline phosphatase and RUNX2 gene expression were greater in hASC than in DFAT at 14 days but became similar after three weeks. Both cell populations were able to differentiate into chondrocytes, showing positive staining with Alcian Blue and gene expression of SOX9 and ACAN. In conclusion, both hASC and DFAT populations derived from AT have a high differentiation capacity and thus may have applications in regenerative medicine.
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21
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Gadelorge M, Bourdens M, Espagnolle N, Bardiaux C, Murrell J, Savary L, Ribaud S, Chaput B, Sensebé L. Clinical-scale expansion of adipose-derived stromal cells starting from stromal vascular fraction in a single-use bioreactor: proof of concept for autologous applications. J Tissue Eng Regen Med 2017; 12:129-141. [PMID: 27943660 DOI: 10.1002/term.2377] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 09/23/2016] [Accepted: 12/06/2016] [Indexed: 01/31/2023]
Abstract
Adipose-derived stromal cells (ASCs) are adult multipotent cells increasingly used for cell therapy due to their differentiation potential, their paracrine effect and their convenience. ASCs are currently selected from stromal vascular fractions (SVFs) of adipose tissue and expanded in 2D flasks following good manufacturing practices. This process is limited in surface area, labour-intensive and expensive, especially for autologous applications requiring selection and expansion steps for every patient. Closed and automated bioreactors offer an alternative for scalable and cost-effective production of ASCs. This study investigated a single-use stirred-tank bioreactor that can expand ASCs from SVFs on microcarriers. A preliminary microcarrier screening in static and spinner flask conditions was performed to evaluate the best candidate for adhesion, amplification and harvest. The selected microcarrier was used for process development in the bioreactor. The first experiments showed poor selectivity and growth of the ASCs from the SVF (n = 2). The process was then adjusted by two means: (1) decreasing the platelet lysate in the medium for enhancing cell adherence; and (2) adding a shear protectant (Pluronic F68). Following these modifications, we demonstrated that the number of population doublings of ASCs from SVFs was not significantly different between the bioreactor and the 2D controls (n = 3). In addition, the ASC characterization after culture showed that cells maintained their clonogenic potential, phenotype, differentiation potential and immunosuppressive capacities. This study provides the proof of concept that isolation and amplification of functional ASCs from SVFs can be performed in a stirred-tank bioreactor combined with microcarriers. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Mélanie Gadelorge
- STROMALab, Université de Toulouse, EFS, INP-ENVT, Inserm, UPS, Team 2, Toulouse, France
| | - Marion Bourdens
- STROMALab, Université de Toulouse, CNRS ERL 5311, EFS, INP-ENVT, Inserm, UPS, Team 1, Toulouse, France
| | - Nicolas Espagnolle
- STROMALab, Université de Toulouse, EFS, INP-ENVT, Inserm, UPS, Team 2, Toulouse, France
| | - Clémence Bardiaux
- STROMALab, Université de Toulouse, EFS, INP-ENVT, Inserm, UPS, Team 2, Toulouse, France
| | - Julie Murrell
- EMD Millipore, Cell Therapy Bioprocessing, 80 Ashby Rd, Bedford, MA, 01730, USA
| | - Lenaig Savary
- Millipore S.A.S., 39 Route industrielle de la Hardt, 67120, Molsheim, France
| | - Sylvain Ribaud
- Millipore S.A.S., 39 Route industrielle de la Hardt, 67120, Molsheim, France
| | - Benoît Chaput
- STROMALab, Université de Toulouse, EFS, INP-ENVT, Inserm, UPS, Team 2, Toulouse, France.,Department of Plastic, Reconstructive and Aesthetic Surgery, Rangueil Hospital, Toulouse, France
| | - Luc Sensebé
- STROMALab, Université de Toulouse, EFS, INP-ENVT, Inserm, UPS, Team 2, Toulouse, France
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22
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James AW, Hindle P, Murray IR, West CC, Tawonsawatruk T, Shen J, Asatrian G, Zhang X, Nguyen V, Simpson AH, Ting K, Péault B, Soo C. Pericytes for the treatment of orthopedic conditions. Pharmacol Ther 2016; 171:93-103. [PMID: 27510330 DOI: 10.1016/j.pharmthera.2016.08.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Accepted: 08/01/2016] [Indexed: 01/15/2023]
Abstract
Pericytes and other perivascular stem cells are of growing interest in orthopedics and tissue engineering. Long regarded as simple regulators of angiogenesis and blood pressure, pericytes are now recognized to have MSC (mesenchymal stem cell) characteristics, including multipotentiality, self-renewal, immunoregulatory functions, and diverse roles in tissue repair. Pericytes are typified by characteristic cell surface marker expression (including αSMA, CD146, PDGFRβ, NG2, RGS5, among others). Although alone no marker is absolutely specific for pericytes, collectively these markers appear to selectively identify an MSC-like pericyte. The purification of pericytes is most well described as a CD146+CD34-CD45- cell population. Pericytes and other perivascular stem cell populations have been applied in diverse orthopedic applications, including both ectopic and orthotopic models. Application of purified cells has sped calvarial repair, induced spine fusion, and prevented fibrous non-union in rodent models. Pericytes induce these effects via both direct and indirect mechanisms. In terms of their paracrine effects, pericytes are known to produce and secrete high levels of a number of growth and differentiation factors both in vitro and after transplantation. The following review will cover existing studies to date regarding pericyte application for bone and cartilage engineering. In addition, further questions in the field will be pondered, including the phenotypic and functional overlap between pericytes and culture-derived MSC, and the concept of pericytes as efficient producers of differentiation factors to speed tissue repair.
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Affiliation(s)
- Aaron W James
- School of Dentistry, University of California, Los Angeles, United States; Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, United States; Orthopedic Hospital Research Center, University of California, Los Angeles, United States; Department of Pathology, Johns Hopkins University, Baltimore, MD, United States.
| | - Paul Hindle
- Department of Trauma and Orthopaedic Surgery, The University of Edinburgh, Edinburgh, United Kingdom
| | - Iain R Murray
- Department of Trauma and Orthopaedic Surgery, The University of Edinburgh, Edinburgh, United Kingdom; BHF Center for Vascular Regeneration & MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Christopher C West
- BHF Center for Vascular Regeneration & MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom; Department of Plastic and Reconstructive Surgery, St. Johns Hospital, Livingston, United Kingdom
| | - Tulyapruek Tawonsawatruk
- Department of Trauma and Orthopaedic Surgery, The University of Edinburgh, Edinburgh, United Kingdom; BHF Center for Vascular Regeneration & MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom; Department of Orthopaedics, Ramathibodi Hospital, Madihol University, Thailand
| | - Jia Shen
- School of Dentistry, University of California, Los Angeles, United States
| | - Greg Asatrian
- School of Dentistry, University of California, Los Angeles, United States
| | - Xinli Zhang
- School of Dentistry, University of California, Los Angeles, United States
| | - Vi Nguyen
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, United States
| | - A Hamish Simpson
- Department of Trauma and Orthopaedic Surgery, The University of Edinburgh, Edinburgh, United Kingdom
| | - Kang Ting
- School of Dentistry, University of California, Los Angeles, United States
| | - Bruno Péault
- Orthopedic Hospital Research Center, University of California, Los Angeles, United States; BHF Center for Vascular Regeneration & MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Chia Soo
- Orthopedic Hospital Research Center, University of California, Los Angeles, United States; Department of Surgery, University of California, Los Angeles, Los Angeles, CA, United States
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Hagenhoff A, Bruns CJ, Zhao Y, von Lüttichau I, Niess H, Spitzweg C, Nelson PJ. Harnessing mesenchymal stem cell homing as an anticancer therapy. Expert Opin Biol Ther 2016; 16:1079-92. [PMID: 27270211 DOI: 10.1080/14712598.2016.1196179] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Mesenchymal stromal cells (MSCs) are non-hematopoietic progenitor cells that have been exploited as vehicles for cell-based cancer therapy. The general approach is based on the innate potential of adoptively applied MSC to undergo facilitated recruitment to malignant tissue. MSC from different tissue sources have been engineered using a variety of therapy genes that have shown efficacy in solid tumor models. AREAS COVERED In this review we will focus on the current developments of MSC-based gene therapy, in particular the diverse approaches that have been used for MSCs-targeted tumor therapy. We also discuss some outstanding issues and general prospects for their clinical application. EXPERT OPINION The use of modified mesenchymal stem cells as therapy vehicles for the treatment of solid tumors has progressed to the first generation of clinical trials, but the general field is still in its infancy. There are many questions that need to be addressed if this very complex therapy approach is widely applied in clinical settings. More must be understood about the mechanisms underlying tumor tropism and we need to identify the optimal source of the cells used. Outstanding issues also include the therapy transgenes used, and which tumor types represent viable targets for this therapy.
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Affiliation(s)
- Anna Hagenhoff
- a Department of Pediatrics and Pediatric Oncology Center, Klinikum rechts der Isar , Technical University , Munich , Germany
| | - Christiane J Bruns
- b Department of Surgery , Otto-von-Guericke University , Magdeburg , Germany
| | - Yue Zhao
- b Department of Surgery , Otto-von-Guericke University , Magdeburg , Germany
| | - Irene von Lüttichau
- a Department of Pediatrics and Pediatric Oncology Center, Klinikum rechts der Isar , Technical University , Munich , Germany
| | - Hanno Niess
- c Department of General, Visceral, Transplantation, Vascular and Thoracic Surgery , University of Munich , Munich , Germany
| | - Christine Spitzweg
- d Department of Internal Medicine II , University of Munich , Munich , Germany
| | - Peter J Nelson
- e Clinical Biochemistry Group, Medizinische Klinik und Poliklinik IV , University of Munich , Munich , Germany
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24
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Volz AC, Huber B, Kluger PJ. Adipose-derived stem cell differentiation as a basic tool for vascularized adipose tissue engineering. Differentiation 2016; 92:52-64. [PMID: 26976717 DOI: 10.1016/j.diff.2016.02.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 01/08/2016] [Accepted: 02/10/2016] [Indexed: 12/13/2022]
Abstract
The development of in vitro adipose tissue constructs is highly desired to cope with the increased demand for substitutes to replace damaged soft tissue after high graded burns, deformities or tumor removal. To achieve clinically relevant dimensions, vascularization of soft tissue constructs becomes inevitable but still poses a challenge. Adipose-derived stem cells (ASCs) represent a promising cell source for the setup of vascularized fatty tissue constructs as they can be differentiated into adipocytes and endothelial cells in vitro and are thereby available in sufficiently high cell numbers. This review summarizes the currently known characteristics of ASCs and achievements in adipogenic and endothelial differentiation in vitro. Further, the interdependency of adipogenesis and angiogenesis based on the crosstalk of endothelial cells, stem cells and adipocytes is addressed at the molecular level. Finally, achievements and limitations of current co-culture conditions for the construction of vascularized adipose tissue are evaluated.
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Affiliation(s)
- Ann-Cathrin Volz
- Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstraße 150, 72762 Reutlingen, Germany
| | - Birgit Huber
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstraße 12, 70569 Stuttgart, Germany
| | - Petra J Kluger
- Process Analysis and Technology (PA&T), Reutlingen University, Alteburgstraße 150, 72762 Reutlingen, Germany; Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstraße 12, 70569 Stuttgart, Germany
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Guillaume-Jugnot P, Daumas A, Magalon J, Sautereau N, Veran J, Magalon G, Sabatier F, Granel B. State of the art. Autologous fat graft and adipose tissue-derived stromal vascular fraction injection for hand therapy in systemic sclerosis patients. Curr Res Transl Med 2016; 64:35-42. [PMID: 27140597 DOI: 10.1016/j.retram.2016.01.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2015] [Accepted: 01/04/2016] [Indexed: 01/27/2023]
Abstract
Systemic sclerosis is an autoimmune disease characterized by sclerosis (hardening) of the skin and deep viscera associated with microvascular functional and structural alteration, which leads to chronic ischemia. In the hands of patients, ischemic and fibrotic damages lead to both pain and functional impairment. Hand disability creates a large burden in professional and daily activities, with social and psychological consequences. Currently, the proposed therapeutic options for hands rely mainly on hygienic measures, vasodilatator drugs and physiotherapy, but have many constraints and limited effects. Developing an innovative therapeutic approach is crucial to reduce symptoms and improve the quality of life. The discovery of adult stem cells from adipose tissue has increased the interest to use adipose tissue in plastic and regenerative surgery. Prepared as freshly isolated cells for immediate autologous transplantation, adipose tissue-derived stem cell therapy has emerged as a therapeutic alternative for the regeneration and repair of damaged tissues. We aim to update literature in the interest of autologous fat graft or adipose derived from stromal vascular fraction cell-based therapy for the hands of patients who suffer from systemic sclerosis.
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Affiliation(s)
- P Guillaume-Jugnot
- Service de médecine interne, hôpital Nord, Assistance publique-Hôpitaux de Marseille (AP-HM), 13915 Marseille cedex 05, France
| | - A Daumas
- Service de médecine interne, gériatrie et thérapeutique, hôpital de la Timone, AP-HM, 13385 Marseille cedex 05, France
| | - J Magalon
- Laboratoire de culture et thérapie cellulaire, Inserm CBT-1409, hôpital de la Conception, AP-HM, 13385 Marseille cedex 05, France
| | - N Sautereau
- Service de médecine interne, hôpital Nord, Assistance publique-Hôpitaux de Marseille (AP-HM), 13915 Marseille cedex 05, France
| | - J Veran
- Laboratoire de culture et thérapie cellulaire, Inserm CBT-1409, hôpital de la Conception, AP-HM, 13385 Marseille cedex 05, France
| | - G Magalon
- Service de chirurgie plastique et réparatrice, hôpital de la Conception, AP-HM, 13385 Marseille cedex 05, France
| | - F Sabatier
- Laboratoire de culture et thérapie cellulaire, Inserm CBT-1409, hôpital de la Conception, AP-HM, 13385 Marseille cedex 05, France; Inserm UMR 1076 Vascular Research Centre of Marseille, Aix-Marseille université, 13385 Marseille cedex 05, France
| | - B Granel
- Service de médecine interne, hôpital Nord, Assistance publique-Hôpitaux de Marseille (AP-HM), 13915 Marseille cedex 05, France; Inserm UMR 1076 Vascular Research Centre of Marseille, Aix-Marseille université, 13385 Marseille cedex 05, France.
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Tsurumachi N, Akita D, Kano K, Matsumoto T, Toriumi T, Kazama T, Oki Y, Tamura Y, Tonogi M, Isokawa K, Shimizu N, Honda M. Small Buccal Fat Pad Cells Have High Osteogenic Differentiation Potential. Tissue Eng Part C Methods 2016; 22:250-9. [DOI: 10.1089/ten.tec.2015.0420] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Affiliation(s)
- Niina Tsurumachi
- Nihon University Graduate School of Dentistry, Chiyoda-ku, Japan
| | - Daisuke Akita
- Department of Partial Denture Prosthodontics, Nihon University School of Dentistry, Chiyoda-ku, Japan
| | - Koichiro Kano
- Laboratory of Cell and Tissue Biology, College of Bioresource Sciences, Nihon University, Fujisawa, Japan
| | - Taro Matsumoto
- Division of Cell Regeneration and Transplantation, Department of Functional Morphology, Nihon University School of Medicine, Itabashi-ku, Japan
| | - Taku Toriumi
- Department of Anatomy, Nihon University School of Dentistry, Chiyoda-ku, Japan
| | - Tomohiko Kazama
- Division of Cell Regeneration and Transplantation, Department of Functional Morphology, Nihon University School of Medicine, Itabashi-ku, Japan
| | - Yoshinao Oki
- Laboratory of Cell and Tissue Biology, College of Bioresource Sciences, Nihon University, Fujisawa, Japan
| | - Yoko Tamura
- Department of Orthodontics, Nihon University School of Dentistry, Chiyoda-ku, Japan
| | - Morio Tonogi
- Department of Oral Surgery, Nihon University School of Dentistry, Chiyoda-ku, Japan
| | - Keitaro Isokawa
- Department of Anatomy, Nihon University School of Dentistry, Chiyoda-ku, Japan
| | - Noriyoshi Shimizu
- Department of Orthodontics, Nihon University School of Dentistry, Chiyoda-ku, Japan
| | - Masaki Honda
- Department of Oral Anatomy, Aichi-Gakuin University School of Dentistry, Nagoya, Japan
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27
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Savitz SI, Parsha K. Enhancing Stroke Recovery with Cellular Therapies. Stroke 2016. [DOI: 10.1016/b978-0-323-29544-4.00060-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Cordeiro IR, Lopes DV, Abreu JG, Carneiro K, Rossi MID, Brito JM. Chick embryo xenograft model reveals a novel perineural niche for human adipose-derived stromal cells. Biol Open 2015; 4:1180-93. [PMID: 26319582 PMCID: PMC4582113 DOI: 10.1242/bio.010256] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Human adipose-derived stromal cells (hADSC) are a heterogeneous cell population that contains adult multipotent stem cells. Although it is well established that hADSC have skeletal potential in vivo in adult organisms, in vitro assays suggest further differentiation capacity, such as into glia. Thus, we propose that grafting hADSC into the embryo can provide them with a much more instructive microenvironment, allowing the human cells to adopt diverse fates or niches. Here, hADSC spheroids were grafted into either the presumptive presomitic mesoderm or the first branchial arch (BA1) regions of chick embryos. Cells were identified without previous manipulations via human-specific Alu probes, which allows efficient long-term tracing of heterogeneous primary cultures. When grafted into the trunk, in contrast to previous studies, hADSC were not found in chondrogenic or osteogenic territories up to E8. Surprisingly, 82.5% of the hADSC were associated with HNK1+ tissues, such as peripheral nerves. Human skin fibroblasts showed a smaller tropism for nerves. In line with other studies, hADSC also adopted perivascular locations. When grafted into the presumptive BA1, 74.6% of the cells were in the outflow tract, the final goal of cardiac neural crest cells, and were also associated with peripheral nerves. This is the first study showing that hADSC could adopt a perineural niche in vivo and were able to recognize cues for neural crest cell migration of the host. Therefore, we propose that xenografts of human cells into chick embryos can reveal novel behaviors of heterogeneous cell populations, such as response to migration cues.
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Affiliation(s)
- Ingrid R Cordeiro
- Morphological Sciences Program, Biomedical Sciences Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
| | - Daiana V Lopes
- Morphological Sciences Program, Biomedical Sciences Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
| | - José G Abreu
- Morphological Sciences Program, Biomedical Sciences Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
| | - Katia Carneiro
- Morphological Sciences Program, Biomedical Sciences Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
| | - Maria I D Rossi
- Morphological Sciences Program, Biomedical Sciences Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
| | - José M Brito
- Morphological Sciences Program, Biomedical Sciences Institute, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
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Georgi N, Taipaleenmaki H, Raiss CC, Groen N, Portalska KJ, van Blitterswijk C, de Boer J, Post JN, van Wijnen AJ, Karperien M. MicroRNA Levels as Prognostic Markers for the Differentiation Potential of Human Mesenchymal Stromal Cell Donors. Stem Cells Dev 2015; 24:1946-55. [PMID: 25915705 DOI: 10.1089/scd.2014.0534] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The ability of human mesenchymal stromal/stem cells (hMSCs) to differentiate into various mesenchymal cell lineages makes them a promising cell source for the use in tissue repair strategies. Since the differentiation potential of hMSCs differs between donors, it is necessary to establish biomarkers for the identification of donors with high differentiation potential. In this study, we show that microRNA (miRNA) expression levels are effective for distinguishing donors with high differentiation potential from low differentiation potential. Twenty hMSC donors were initially tested for marker expression and differentiation potential. In particular, the chondrogenic differentiation potential was evaluated on the basis of histological matrix formation, mRNA expression levels of chondrogenic marker genes, and quantitative glycosaminoglycan deposition. Three donors out of twenty were identified as donors with high chondrogenic potential, whereas nine showed moderate and eight showed low chondrogenic potential. Expression profiles of miRNAs involved in chondrogenesis and cartilage homeostasis were used for the distinction between high-performance hMSCs and low-performance hMSCs. Global mRNA expression profiles of the donors before the onset of chondrogenic differentiation revealed minor differences in gene expression between low and high chondrogenic performers. However, analysis of miRNA expression during a 7-day differentiation period identified miR-210 and miR-630 as positive regulators of chondrogenesis. In contrast, miR-181 and miR-34a, which are negative regulators of chondrogenesis, were upregulated during differentiation in low-performing donors. In conclusion, profiling of hMSC donors for a specific panel of miRNAs may have a prognostic value for selecting donors with high differentiation potential to improve hMSC-based strategies for tissue regeneration.
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Affiliation(s)
- Nicole Georgi
- 1 Department of Developmental BioEngineering, Faculty of Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente , Enschede, the Netherlands
| | - Hanna Taipaleenmaki
- 2 Heisenberg-Group for Molecular Skeletal Biology, Department of Trauma-, Hand- and Reconstructive Surgery, University Medical Center Hamburg-Eppendorf , Hamburg, Germany
| | - Christian C Raiss
- 3 Nanobiophysics Group, Faculty of Science and Technology, MESA+Institute for Nanotechnology, University of Twente , Enschede, the Netherlands
| | - Nathalie Groen
- 4 Department of Tissue Regeneration, Faculty of Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente , Enschede, the Netherlands
| | - Karolina Janaeczek Portalska
- 4 Department of Tissue Regeneration, Faculty of Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente , Enschede, the Netherlands
| | - Clemens van Blitterswijk
- 4 Department of Tissue Regeneration, Faculty of Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente , Enschede, the Netherlands
| | - Jan de Boer
- 4 Department of Tissue Regeneration, Faculty of Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente , Enschede, the Netherlands
| | - Janine N Post
- 1 Department of Developmental BioEngineering, Faculty of Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente , Enschede, the Netherlands
| | - Andre J van Wijnen
- 5 Departments of Orthopedic Surgery and Biochemistry and Molecular Biology, Mayo Clinic , Rochester, Minnesota
| | - Marcel Karperien
- 1 Department of Developmental BioEngineering, Faculty of Science and Technology, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente , Enschede, the Netherlands
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Abstract
BACKGROUND The major drawback of adipose grafting is its clinical unpredictability, which leads to surgeon and patient dissatisfaction. The mechanisms underlying angiogenesis and regeneration of the graft tissue are still unclear. METHODS Mouse adipose tissue was processed using two different methods (fragmental and integral) and was used to identify the mode of angiogenesis of the graft. Cross-grafting of tissue from normal mice and transgenic mice expressing green fluorescent protein was used to observe the origin of cells during the adipose regeneration. RESULTS Almost all the CD31 endothelial cells of the new vessels were derived from the recipient. The new vessels in the graft were mainly formed through recipient vessels growing into the graft rather than the reassembly of donor endothelial cells or the reconnection of recipient and donor vessels. Angiogenesis depends largely on recipient-site environment. The retention of donor-derived tissue dropped to only 10 percent 8 weeks after grafting, and the majority of the key regeneration cells, the CD34 cells, came from the recipient during adipogenesis (p < 0.05). In total, the retention of the recipient-derived tissue was up to 73 percent in the fragmental group and 47.5 percent in the integral group. CONCLUSIONS The angiogenesis of the graft occurs by the classic "vessel branching" mode, in which the recipient plays a dominant role. The mode of graft tissue retention primarily involves CD34 adipose precursor cells derived from the recipient.
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Development of a System and Method for Automated Isolation of Stromal Vascular Fraction from Adipose Tissue Lipoaspirate. Stem Cells Int 2015; 2015:109353. [PMID: 26167182 PMCID: PMC4475713 DOI: 10.1155/2015/109353] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 02/27/2015] [Accepted: 04/09/2015] [Indexed: 01/08/2023] Open
Abstract
Autologous fat grafting for soft tissue reconstruction is challenged by unpredictable long-term graft survival. Fat derived stromal vascular fraction (SVF) is gaining popularity in tissue reconstruction as SVF-enriched fat grafts demonstrate improved engraftment. SVF also has potential in regenerative medicine for remodeling of ischemic tissues by promoting angiogenesis. Since SVF cells do not require culture expansion, attempts are being made to develop automated devices to isolate SVF at the point of care. We report development of a closed, automated system to process up to 500 mL lipoaspirate using cell size-dependent filtration technology. The yield of SVF obtained by automated tissue digestion and filtration (1.17 ± 0.5 × 105 cells/gram) was equivalent to that obtained by manual isolation (1.15 ± 0.3 × 105; p = 0.8), and the viability of the cells isolated by both methods was greater than 90%. Cell composition included CD34+CD31− adipose stromal cells, CD34+CD31+ endothelial progenitor cells, and CD34−CD31+ endothelial cells, and their relative percentages were equivalent to SVF isolated by the manual method. CFU-F capacity and expression of angiogenic factors were also comparable with the manual method, establishing proof-of-concept for fully automated SVF isolation, suitable for use in reconstructive surgeries and regenerative medicine applications.
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Iwen KA, Priewe AC, Winnefeld M, Rose C, Siemers F, Rohwedel J, Cakiroglu F, Lehnert H, Schepky A, Klein J, Kramer J. Gluteal and abdominal subcutaneous adipose tissue depots as stroma cell source: gluteal cells display increased adipogenic and osteogenic differentiation potentials. Exp Dermatol 2015; 23:395-400. [PMID: 24689514 DOI: 10.1111/exd.12406] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2014] [Indexed: 02/06/2023]
Abstract
Human adipose-derived stroma cells (ADSCs) have successfully been employed in explorative therapeutic studies. Current evidence suggests that ADSCs are unevenly distributed in subcutaneous adipose tissue; therefore, the anatomical origin of ADSCs may influence clinical outcomes. This study was designed to investigate proliferation and differentiation capacities of ADSCs from the gluteal and abdominal depot of 8 females. All had normal BMI (22.01 ± 0.39 kg/m(2) ) and waist circumference (81.13 ± 2.33 cm). Examination by physicians and analysis of 31 laboratory parameters did not reveal possibly confounding medical disorders. Gluteal and abdominal adipose tissue was sampled by en bloc resection on day 7 (±1) after the last menses. Histological examination did not reveal significant depot-specific differences. As assessed by BrdU assay, proliferation of cells from both depots was similar after 24 h and analysis of 15 cell surface markers by flow cytometry identified the isolated cells as ADSCs, again without depot-specific differences. ADSCs from both depots differentiated poorly to chondroblasts. Gluteal ADSCs displayed significantly higher adipogenic differentiation potential than abdominal cells. Osteogenic differentiation was most pronounced in gluteal cells, whereas differentiation of abdominal ADSCs was severely impaired. Our data demonstrate a depot-specific difference in ADSC differentiation potential with abdominal cells failing to meet the criteria of multipotent ADSCs. This finding should be taken into account in future explorations of ADSC-derived therapeutic strategies.
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Magalon J, Daumas A, Veran J, Magalon G, Rossi P, Granel B, Sabatier F. Autologous Adipose Tissue-Derived Cells: Are We Talking About Adipose Derived Stem Cells, Stromal Vascular Fraction, or Coleman Fat Grafting? Cell Transplant 2015; 24:2667-8. [PMID: 25715080 DOI: 10.3727/096368915x687552] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Affiliation(s)
- J Magalon
- Culture and Cell Therapy Laboratory, INSERM CBT-1409, Assistance Publique Hôpitaux de Marseille, Marseille, France
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Kajbafzadeh AM, Tourchi A, Mousavian AA, Rouhi L, Tavangar SM, Sabetkish N. Bladder muscular wall regeneration with autologous adipose mesenchymal stem cells on three-dimensional collagen-based tissue-engineered prepuce and biocompatible nanofibrillar scaffold. J Pediatr Urol 2014; 10:1051-8. [PMID: 24909608 DOI: 10.1016/j.jpurol.2014.03.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2014] [Accepted: 03/03/2014] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Tissue-engineered prepuce scaffold (TEPS) is a collagen-rich matrix with marvelous mechanical properties, promoting in vivo and in vitro tissue regeneration. In this study, adipose-derived mesenchymal stem cells (ADMSCs) were used to seed TEPS for bladder wall regeneration. Its potential in comparison with other materials such as polyglycolic acid (PGA) and nanofibrous scaffolds were evaluated. MATERIALS AND METHODS Rat ADMSCs were cultured and seeded into prepared TEPS. A synthetic matrix of electrospun nanofibrous polyamide was also prepared. Sprague Dawley rats (n=32) underwent bladder wall regeneration using (a) TEPS, (b) TEPS+PGA, (c) TEPS+nanofibrous scaffold, and (d) ADMSC-seeded TEPS, between bladder mucosa and seromuscular layer. Animals were followed for 30 and 90 days post implantation for evaluation of bladder wall regeneration by determining CD31/34 and SMC α-actin. Cystometric evaluation was also performed in all groups and in four separate rats as sham controls 3 months postoperatively. RESULTS Histopathological analysis showed well-organized muscular wall generation in ADMSC-seeded TEPS and TEPS+three-dimensional (3D) nanofibrous scaffold without significant fibrosis after 90 days, while mild to severe fibrosis was detected in groups receiving TEPS and TEPS+PGA. Immunohistochemistry staining revealed the maintenance of CD34+, CD31+, and α-SMA in ADMSC-seeded TEPS and TEPS+3D nanofibrous scaffold with significantly higher density of CD34+ and CD31+ progenitor cells in ADMSC-seeded TEPS and TEPS+3D nanofibrous scaffold, respectively. CONCLUSIONS This work has crucial functional and clinical implications, as it demonstrates the feasibility of ADMSC-seeded TEPS in enhancing the properties of TEPS in terms of bladder wall regeneration.
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Affiliation(s)
- Abdol-Mohammad Kajbafzadeh
- Pediatric Urology Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran.
| | - Ali Tourchi
- Robert D Jeffs Division of Pediatric Urology, James Buchanan Brady Urological Institute, the Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - Amir-Abbas Mousavian
- Pediatric Urology Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Leila Rouhi
- Pediatric Urology Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Seyyed Mohammad Tavangar
- Department of Pathology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Nastaran Sabetkish
- Pediatric Urology Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
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Minonzio G, Corazza M, Mariotta L, Gola M, Zanzi M, Gandolfi E, De Fazio D, Soldati G. Frozen adipose-derived mesenchymal stem cells maintain high capability to grow and differentiate. Cryobiology 2014; 69:211-6. [DOI: 10.1016/j.cryobiol.2014.07.005] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Revised: 07/09/2014] [Accepted: 07/09/2014] [Indexed: 01/07/2023]
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Jahn A, Song CK, Balakrishnan P, Hong SS, Lee JH, Chung SJ, Kim DD. AAPE proliposomes for topical atopic dermatitis treatment. J Microencapsul 2014; 31:768-73. [PMID: 25090594 DOI: 10.3109/02652048.2014.932027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
CONTEXT Anti-inflammatory effect of advanced adipose stem cell derived protein extract (AAPE) could be improved by minimising protein degradation. OBJECTIVE To develop a proliposomal formulation of AAPE for the treatment of topical atopic dermatitis. MATERIALS AND METHODS Proliposomal powder was manufactured by evaporating a solution of soy phosphatidyl choline, AAPE and Poloxamer 407 in ethanol under vacuum on sorbitol powder. Characterisation of proliposomes (zeta potential, diameter, stability and flowability) as well as in vivo efficacy in a dermatitis mouse model was investigated. RESULTS AND DISCUSSION Reconstitution of the proliposomal powder formed liposomes of 589 ± 3.6 nm diameter with zeta potential of -51.33 ± 0.36 mV. Protein stability was maintained up to 90 days at 25 °C as proliposomes. In vivo studies on atopic dermatitis mouse model showed a significant reduction in IgE levels after topical AAPE proliposome treatment. CONCLUSION AAPE proliposomes maintained protein stability and showed promising results for atopic dermatitis treatment.
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Affiliation(s)
- Alexander Jahn
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, Seoul National University , Seoul , South Korea and
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Murray IR, West CC, Hardy WR, James AW, Park TS, Nguyen A, Tawonsawatruk T, Lazzari L, Soo C, Péault B. Natural history of mesenchymal stem cells, from vessel walls to culture vessels. Cell Mol Life Sci 2014; 71:1353-74. [PMID: 24158496 PMCID: PMC11113613 DOI: 10.1007/s00018-013-1462-6] [Citation(s) in RCA: 188] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2013] [Revised: 08/17/2013] [Accepted: 08/23/2013] [Indexed: 02/06/2023]
Abstract
Mesenchymal stem/stromal cells (MSCs) can regenerate tissues by direct differentiation or indirectly by stimulating angiogenesis, limiting inflammation, and recruiting tissue-specific progenitor cells. MSCs emerge and multiply in long-term cultures of total cells from the bone marrow or multiple other organs. Such a derivation in vitro is simple and convenient, hence popular, but has long precluded understanding of the native identity, tissue distribution, frequency, and natural role of MSCs, which have been defined and validated exclusively in terms of surface marker expression and developmental potential in culture into bone, cartilage, and fat. Such simple, widely accepted criteria uniformly typify MSCs, even though some differences in potential exist, depending on tissue sources. Combined immunohistochemistry, flow cytometry, and cell culture have allowed tracking the artifactual cultured mesenchymal stem/stromal cells back to perivascular anatomical regions. Presently, both pericytes enveloping microvessels and adventitial cells surrounding larger arteries and veins have been described as possible MSC forerunners. While such a vascular association would explain why MSCs have been isolated from virtually all tissues tested, the origin of the MSCs grown from umbilical cord blood remains unknown. In fact, most aspects of the biology of perivascular MSCs are still obscure, from the emergence of these cells in the embryo to the molecular control of their activity in adult tissues. Such dark areas have not compromised intents to use these cells in clinical settings though, in which purified perivascular cells already exhibit decisive advantages over conventional MSCs, including purity, thorough characterization and, principally, total independence from in vitro culture. A growing body of experimental data is currently paving the way to the medical usage of autologous sorted perivascular cells for indications in which MSCs have been previously contemplated or actually used, such as bone regeneration and cardiovascular tissue repair.
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Affiliation(s)
- Iain R. Murray
- MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, UK
- BHF Center for Cardiovascular Science, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
- Orthopedic Hospital Research Center and Broad Stem Cell Center, David Geffen School of Medicine, University of California, Los Angeles, USA
| | - Christopher C. West
- MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, UK
- BHF Center for Cardiovascular Science, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Winters R. Hardy
- Orthopedic Hospital Research Center and Broad Stem Cell Center, David Geffen School of Medicine, University of California, Los Angeles, USA
- Indiana Center for Vascular Biology and Medicine, Indianapolis, USA
| | - Aaron W. James
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, USA
| | - Tea Soon Park
- Institute for Cell Engineering, Johns Hopkins School of Medicine, Baltimore, USA
| | - Alan Nguyen
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, USA
| | - Tulyapruek Tawonsawatruk
- MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, UK
- BHF Center for Cardiovascular Science, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Lorenza Lazzari
- Cell Factory, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Chia Soo
- Division of Plastic and Reconstructive Surgery, Departments of Surgery and Orthopedic Surgery, David Geffen School of Medicine, University of California, Los Angeles, USA
| | - Bruno Péault
- MRC Center for Regenerative Medicine, University of Edinburgh, Edinburgh, UK
- BHF Center for Cardiovascular Science, Queens Medical Research Institute, University of Edinburgh, Edinburgh, UK
- Orthopedic Hospital Research Center and Broad Stem Cell Center, David Geffen School of Medicine, University of California, Los Angeles, USA
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Li X, Yuan J, Li W, Liu S, Hua M, Lu X, Zhang H. Direct Differentiation of Homogeneous Human Adipose Stem Cells Into Functional Hepatocytes by Mimicking Liver Embryogenesis. J Cell Physiol 2014; 229:801-12. [DOI: 10.1002/jcp.24501] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2013] [Accepted: 10/21/2013] [Indexed: 02/04/2023]
Affiliation(s)
- Xueyang Li
- Department of Cell Biology; Municipal Laboratory for Liver Protection and Regulation of Regeneration; Capital Medical University; Beijing China
| | - Jie Yuan
- Department of Cell Biology; Municipal Laboratory for Liver Protection and Regulation of Regeneration; Capital Medical University; Beijing China
| | - Weihong Li
- Department of Cell Biology; Municipal Laboratory for Liver Protection and Regulation of Regeneration; Capital Medical University; Beijing China
| | - Sicheng Liu
- Department of Cell Biology; Municipal Laboratory for Liver Protection and Regulation of Regeneration; Capital Medical University; Beijing China
| | - Mingxi Hua
- Department of Cell Biology; Municipal Laboratory for Liver Protection and Regulation of Regeneration; Capital Medical University; Beijing China
| | - Xin Lu
- Department of Cell Biology; Municipal Laboratory for Liver Protection and Regulation of Regeneration; Capital Medical University; Beijing China
| | - Haiyan Zhang
- Department of Cell Biology; Municipal Laboratory for Liver Protection and Regulation of Regeneration; Capital Medical University; Beijing China
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Crisan M, Corselli M, Chen WCW, Péault B. Perivascular cells for regenerative medicine. J Cell Mol Med 2014; 16:2851-60. [PMID: 22882758 PMCID: PMC4393715 DOI: 10.1111/j.1582-4934.2012.01617.x] [Citation(s) in RCA: 211] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2012] [Accepted: 08/02/2012] [Indexed: 12/14/2022] Open
Abstract
Mesenchymal stem/stromal cells (MSC) are currently the best candidate therapeutic cells for regenerative medicine related to osteoarticular, muscular, vascular and inflammatory diseases, although these cells remain heterogeneous and necessitate a better biological characterization. We and others recently described that MSC originate from two types of perivascular cells, namely pericytes and adventitial cells and contain the in situ counterpart of MSC in developing and adult human organs, which can be prospectively purified using well defined cell surface markers. Pericytes encircle endothelial cells of capillaries and microvessels and express the adhesion molecule CD146 and the PDGFRβ, but lack endothelial and haematopoietic markers such as CD34, CD31, vWF (von Willebrand factor), the ligand for Ulex europaeus 1 (UEA1) and CD45 respectively. The proteoglycan NG2 is a pericyte marker exclusively associated with the arterial system. Besides its expression in smooth muscle cells, smooth muscle actin (αSMA) is also detected in subsets of pericytes. Adventitial cells surround the largest vessels and, opposite to pericytes, are not closely associated to endothelial cells. Adventitial cells express CD34 and lack αSMA and all endothelial and haematopoietic cell markers, as for pericytes. Altogether, pericytes and adventitial perivascular cells express in situ and in culture markers of MSC and display capacities to differentiate towards osteogenic, adipogenic and chondrogenic cell lineages. Importantly, adventitial cells can differentiate into pericyte-like cells under inductive conditions in vitro. Altogether, using purified perivascular cells instead of MSC may bring higher benefits to regenerative medicine, including the possibility, for the first time, to use these cells uncultured.
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Affiliation(s)
- Mihaela Crisan
- Erasmus MC Stem Cell Institute, Department of Cell Biology, Rotterdam, The Netherlands
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Kou L, Lu XW, Wu MK, Wang H, Zhang YJ, Sato S, Shen JF. The phenotype and tissue-specific nature of multipotent cells derived from human mature adipocytes. Biochem Biophys Res Commun 2014; 444:543-8. [PMID: 24486314 DOI: 10.1016/j.bbrc.2014.01.077] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Accepted: 01/20/2014] [Indexed: 02/05/2023]
Abstract
Dedifferentiated fat (DFAT) cells derived from mature adipocytes have been considered to be a homogeneous group of multipotent cells, which present to be an alternative source of adult stem cells for regenerative medicine. However, many aspects of the cellular nature about DFAT cells remained unclarified. This study aimed to elucidate the basic characteristics of DFAT cells underlying their functions and differentiation potentials. By modified ceiling culture technique, DFAT cells were converted from human mature adipocytes from the human buccal fat pads. Flow cytometry analysis revealed that those derived cells were a homogeneous population of CD13(+) CD29(+) CD105(+) CD44(+) CD31(-) CD34(-) CD309(-) α-SMA(-) cells. DFAT cells in this study demonstrated tissue-specific differentiation properties with strong adipogenic but much weaker osteogenic capacity. Neither did they express endothelial markers under angiogenic induction.
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Affiliation(s)
- Liang Kou
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xiao-Wen Lu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Min-Ke Wu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Hang Wang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yu-Jiao Zhang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Soh Sato
- School of Life Dentistry at Niigata, Nippon Dental University, Niigata 951-8580, Japan
| | - Jie-Fei Shen
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; School of Life Dentistry at Niigata, Nippon Dental University, Niigata 951-8580, Japan.
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Piirsoo A, Kasak L, Kauts ML, Loog M, Tints K, Uusen P, Neuman T, Piirsoo M. Protein kinase inhibitor SU6668 attenuates positive regulation of Gli proteins in cancer and multipotent progenitor cells. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2014; 1843:703-14. [PMID: 24418624 PMCID: PMC3946003 DOI: 10.1016/j.bbamcr.2014.01.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 12/18/2013] [Accepted: 01/02/2014] [Indexed: 11/16/2022]
Abstract
Observations that Glioma-associated transcription factors Gli1 and Gli2 (Gli1/2), executers of the Sonic Hedgehog (Shh) signaling pathway and targets of the Transforming Growth Factor β (TGF-β) signaling axis, are involved in numerous developmental and pathological processes unveil them as attractive pharmaceutical targets. Unc-51-like serine/threonine kinase Ulk3 has been suggested to play kinase activity dependent and independent roles in the control of Gli proteins in the context of the Shh signaling pathway. This study aimed at investigating whether the mechanism of generation of Gli1/2 transcriptional activators has similarities regardless of the signaling cascade evoking their activation. We also elucidate further the role of Ulk3 kinase in regulation of Gli1/2 proteins and examine SU6668 as an inhibitor of Ulk3 catalytic activity and a compound targeting Gli1/2 proteins in different cell-based experimental models. Here we demonstrate that Ulk3 is required not only for maintenance of basal levels of Gli1/2 proteins but also for TGF-β or Shh dependent activation of endogenous Gli1/2 proteins in human adipose tissue derived multipotent stromal cells (ASCs) and mouse immortalized progenitor cells, respectively. We show that cultured ASCs possess the functional Shh signaling axis and differentiate towards osteoblasts in response to Shh. Also, we demonstrate that similarly to Ulk3 RNAi, SU6668 prevents de novo expression of Gli1/2 proteins and antagonizes the Gli-dependent activation of the gene expression programs induced by either Shh or TGF-β. Our data suggest SU6668 as an efficient inhibitor of Ulk3 kinase allowing manipulation of the Gli-dependent transcriptional outcome. Ulk3 is involved in the maintenance of Gli1/2 expression. SU6668 prevents de novo expression of Gli1/2 proteins induced by Shh or TGF-β. SU6668 inhibits up-regulation of Gli1/2 proteins via Ulk3. Human ASCs differentiate towards osteoblasts in response to Shh.
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Affiliation(s)
- Alla Piirsoo
- Protobios LLC, Mäealuse 4, Tallinn 12618, Estonia; Cellin Technologies LLC, Mäealuse 4, Tallinn 12618, Estonia.
| | - Lagle Kasak
- Protobios LLC, Mäealuse 4, Tallinn 12618, Estonia; Department of Gene Technology, Tallinn University of Technology, Akadeemia tee 15, Tallinn 12618, Estonia
| | | | - Mart Loog
- Institute of Technology, University of Tartu, Nooruse 1, 50411 Tartu, Estonia
| | - Kairit Tints
- Cellin Technologies LLC, Mäealuse 4, Tallinn 12618, Estonia
| | - Piia Uusen
- Cellin Technologies LLC, Mäealuse 4, Tallinn 12618, Estonia
| | | | - Marko Piirsoo
- Department of Gene Technology, Tallinn University of Technology, Akadeemia tee 15, Tallinn 12618, Estonia
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Hart DA. Why Mesenchymal Stem/Progenitor Cell Heterogeneity in Specific Environments? <br/>—Implications for Tissue Engineering Applications Following Injury or Degeneration of Connective Tissues. ACTA ACUST UNITED AC 2014. [DOI: 10.4236/jbise.2014.78054] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Wei S, Duarte MS, Zan L, Du M, Jiang Z, Guan L, Chen J, Hausman GJ, Dodson MV. Cellular and molecular implications of mature adipocyte dedifferentiation. J Genomics 2013; 1:5-12. [PMID: 25031650 PMCID: PMC4091435 DOI: 10.7150/jgen.3769] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
There is a voluminous amount of scientific literature dealing with the involvement of adipocytes in molecular regulation of carcass composition, obesity, metabolic syndrome, or diabetes. To form adipocytes (process termed adipogenesis) nearly all scientific papers refer to the use of preadipocytes, adipofibroblasts, stromal vascular cells or adipogenic cell lines, and their differentiation to form lipid-assimilating cells containing storage triacylglyceride. However, mature adipocytes, themselves, possess ability to undergo dedifferentiation, form proliferative-competent progeny cells (the exact plasticity is unknown) and reinitiate formation of cells capable of lipid metabolism and storage. The progeny cells would make a viable (and alternative) cell system for the evaluation of cell ability to reestablish lipid assimilation, ability to differentially express genes (as compared to other adipogenic cells), and to form other types of cells (multi-lineage potential). Understanding the dedifferentiation process itself and/or dedifferentiated fat cells could contribute to our knowledge of normal growth processes, or to disease function. Indeed, the ability of progeny cells to form other cell types could turn-out to be important for processes of tissue reconstruction/engineering and may have implications in clinical, biochemical or molecular processes.
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Affiliation(s)
- Shengjuan Wei
- 1. College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province 712100, China. ; 2. Department of Animal Sciences, Washington State University, Pullman, WA 99164, USA
| | - Marcio S Duarte
- 2. Department of Animal Sciences, Washington State University, Pullman, WA 99164, USA. ; 3. Department of Animal Sciences, Federal University of Viçosa, Viçosa, MG 3670-000, Brazil
| | - Linsen Zan
- 1. College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province 712100, China
| | - Min Du
- 2. Department of Animal Sciences, Washington State University, Pullman, WA 99164, USA
| | - Zhihua Jiang
- 2. Department of Animal Sciences, Washington State University, Pullman, WA 99164, USA
| | - LeLuo Guan
- 4. Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | - Jie Chen
- 5. College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Gary J Hausman
- 6. United States Department of Agriculture, Agriculture Research Services, Athens, GA 30605, USA
| | - Michael V Dodson
- 2. Department of Animal Sciences, Washington State University, Pullman, WA 99164, USA
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Zhu M, Heydarkhan-Hagvall S, Hedrick M, Benhaim P, Zuk P. Manual isolation of adipose-derived stem cells from human lipoaspirates. J Vis Exp 2013:e50585. [PMID: 24121366 DOI: 10.3791/50585] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
In 2001, researchers at the University of California, Los Angeles, described the isolation of a new population of adult stem cells from liposuctioned adipose tissue that they initially termed Processed Lipoaspirate Cells or PLA cells. Since then, these stem cells have been renamed as Adipose-derived Stem Cells or ASCs and have gone on to become one of the most popular adult stem cells populations in the fields of stem cell research and regenerative medicine. Thousands of articles now describe the use of ASCs in a variety of regenerative animal models, including bone regeneration, peripheral nerve repair and cardiovascular engineering. Recent articles have begun to describe the myriad of uses for ASCs in the clinic. The protocol shown in this article outlines the basic procedure for manually and enzymatically isolating ASCs from large amounts of lipoaspirates obtained from cosmetic procedures. This protocol can easily be scaled up or down to accommodate the volume of lipoaspirate and can be adapted to isolate ASCs from fat tissue obtained through abdominoplasties and other similar procedures.
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Chen D, Ma L, Tham EL, Maresh S, Lechler RI, McVey JH, Dorling A. Fibrocytes mediate intimal hyperplasia post-vascular injury and are regulated by two tissue factor-dependent mechanisms. J Thromb Haemost 2013; 11:963-74. [PMID: 23516969 DOI: 10.1111/jth.12198] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2012] [Accepted: 03/11/2013] [Indexed: 01/22/2023]
Abstract
BACKGROUND CD34(+) α-smooth muscle actin (SMA)(+) cells mediate intimal hyperplasia (IH) after mechanical endoluminal injury. We previously found that IH is tissue factor (TF) dependent. The precise phenotype of the CD34(+) cells mediating IH is unknown and the mechanisms of TF are also unknown. OBJECTIVE To define the phenotype of cells mediating IH and compare the effects of inhibiting TF on different subsets of CD34(+) cells. METHODS Endoluminal injury was induced in C57BL/6 and two strains of mice expressing a human tissue factor pathway inhibitor (hTFPI) fusion protein on different subsets of CD34(+) cells. Confocal microscopy, immunocytofluorescence and real-time PCR were used to determine phenotype. RESULTS Neointimal cells in C57BL/6 mice were defined as a subset of fibrocytes (CD34(+) CD45(+) collagen-1(+) ) expressing SMA, CD31, TIE-2, CXCR4 and CXCL12. Similar cells circulated post-injury and were also found in mice expressing hTFPI on CD34(+) CD31(+) cells, though in these mice, hTFPI inhibited CD31(+) fibrocyte hyperplasia, so no IH developed. Mice with hTFPI on all CD34(+) α-SMA(+) cells repaired arteries back to a pre-injured state. No CD31(+) fibrocytes were found in these mice unless an anti-hTFPI antibody was administered. Similar findings in protease activated receptor (PAR)-1-deficient mice suggested hTFPI prevented thrombin signaling through PAR-1. In vitro, thrombin increased the number of CD31(+) fibrocytes. CONCLUSIONS Inhibition of TF on CD31(+) fibrocytes inhibits IH whereas inhibition on all CD34(+) α-SMA(+) cells (or PAR-1 deficiency) inhibits the appearance of CD31(+) fibrocytes and promotes repair. These data enhance our understanding of IH and suggest novel ways to promote regenerative repair.
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Affiliation(s)
- D Chen
- Medical Research Council (MRC) Centre for Transplantation, King's College London, King's Health Partners, Guy's Hospital, London, UK
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Generation of mesenchymal stem cells as a medicinal product in organ transplantation. Curr Opin Organ Transplant 2013; 18:65-70. [PMID: 23222173 DOI: 10.1097/mot.0b013e32835c2998] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
PURPOSE OF REVIEW Mesenchymal stem cells (MSCs) are emerging as an alternative treatment in solid-organ transplantation. The use of MSCs as a therapeutic product requires the translation of basic research protocols into a production process under good manufacturing practice (GMP) to obtain a safe product of high quality. This requires a different mindset from the academic setting of changing protocols into a well defined, controlled and documented process. This review describes some of the challenges faced by culturing MSCs as a medicinal product. RECENT FINDINGS Clinical-grade MSCs are used in the clinical trials and proved to be safe as a medicinal product. Because of the differences in the type of MSCs and in the production process, clinical outcome is not always comparable. New standardized methods in the culture condition such as the use of alternatives for fetal bovine serum (FBS), standardized plating densities or the use of bioreactors may further standardize the production process. SUMMARY To generate MSCs as a medicinal product in organ transplantation, regulation requires that MSCs have to be generated under GMP. During the whole production process, all critical steps should be known and described. Further steps should be taken to optimize and standardize the production process.
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Kauts ML, Pihelgas S, Orro K, Neuman T, Piirsoo A. CCL5/CCR1 axis regulates multipotency of human adipose tissue derived stromal cells. Stem Cell Res 2013; 10:166-78. [DOI: 10.1016/j.scr.2012.11.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Revised: 11/12/2012] [Accepted: 11/17/2012] [Indexed: 12/27/2022] Open
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Leijten JC, Georgi N, Wu L, van Blitterswijk CA, Karperien M. Cell Sources for Articular Cartilage Repair Strategies: Shifting from Monocultures to Cocultures. TISSUE ENGINEERING PART B-REVIEWS 2013; 19:31-40. [DOI: 10.1089/ten.teb.2012.0273] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Jeroen C.H. Leijten
- Faculty of Science and Technology, Department of Developmental BioEngineering, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, The Netherlands
| | - Nicole Georgi
- Faculty of Science and Technology, Department of Developmental BioEngineering, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, The Netherlands
| | - Ling Wu
- Faculty of Science and Technology, Department of Developmental BioEngineering, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, The Netherlands
| | - Clemens A. van Blitterswijk
- Faculty of Science and Technology, Department of Tissue Regeneration, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, The Netherlands
| | - Marcel Karperien
- Faculty of Science and Technology, Department of Developmental BioEngineering, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, The Netherlands
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Scherberich A, Di Maggio ND, McNagny KM. A familiar stranger: CD34 expression and putative functions in SVF cells of adipose tissue. World J Stem Cells 2013; 5:1-8. [PMID: 23362435 PMCID: PMC3557347 DOI: 10.4252/wjsc.v5.i1.1] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Revised: 09/19/2012] [Accepted: 12/20/2012] [Indexed: 02/06/2023] Open
Abstract
Human adipose tissue obtained by liposuction is easily accessible and an abundant potential source of autologous cells for regenerative medicine applications. After digestion of the tissue and removal of differentiated adipocytes, the so-called stromal vascular fraction (SVF) of adipose, a mix of various cell types, is obtained. SVF contains mesenchymal fibroblastic cells, able to adhere to culture plastic and to generate large colonies in vitro, that closely resemble bone marrow-derived colony forming units-fibroblastic, and whose expanded progeny, adipose mesenchymal stem/stromal cells (ASC), show strong similarities with bone marrow mesenchymal stem cells. The sialomucin CD34, which is well known as a hematopoietic stem cell marker, is also expressed by ASC in native adipose tissue but its expression is gradually lost upon standard ASC expansion in vitro. Surprisingly little is known about the functional role of CD34 in the biology and tissue forming capacity of SVF cells and ASC. The present editorial provides a short introduction to the CD34 family of sialomucins and reviews the data from the literature concerning expression and function of these proteins in SVF cells and their in vitro expanded progeny.
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Affiliation(s)
- Arnaud Scherberich
- Arnaud Scherberich, Nunzia Di Maggio, Department of Biomedicine, University and University Hospital of Basel, CH-4031 Basel, Switzerland
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