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da Silva AV, Serrenho I, Araújo B, Carvalho AM, Baltazar G. Secretome as a Tool to Treat Neurological Conditions: Are We Ready? Int J Mol Sci 2023; 24:16544. [PMID: 38003733 PMCID: PMC10671352 DOI: 10.3390/ijms242216544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/04/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023] Open
Abstract
Due to their characteristics, mesenchymal stem cells (MSCs) are considered a potential therapy for brain tissue injury or degeneration. Nevertheless, despite the promising results observed, there has been a growing interest in the use of cell-free therapies in regenerative medicine, such as the use of stem cell secretome. This review provides an in-depth compilation of data regarding the secretome composition, protocols used for its preparation, as well as existing information on the impact of secretome administration on various brain conditions, pointing out gaps and highlighting relevant findings. Moreover, due to the ability of MSCs to respond differently depending on their microenvironment, preconditioning of MSCs has been used to modulate their composition and, consequently, their therapeutic potential. The different strategies used to modulate the MSC secretome were also reviewed. Although secretome administration was effective in improving functional impairments, regeneration, neuroprotection, and reducing inflammation in brain tissue, a high variability in secretome preparation and administration was identified, compromising the transposition of preclinical data to clinical studies. Indeed, there are no reports of the use of secretome in clinical trials. Despite the existing limitations and lack of clinical data, secretome administration is a potential tool for the treatment of various diseases that impact the CNS.
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Affiliation(s)
- Andreia Valente da Silva
- Health Sciences Research Center (CICS-UBI), University of Beira Interior, 6201-506 Covilhã, Portugal
| | - Inês Serrenho
- Health Sciences Research Center (CICS-UBI), University of Beira Interior, 6201-506 Covilhã, Portugal
- Center for Neuroscience and Cell Biology (CNC-UC), University of Coimbra, 3004-504 Coimbra, Portugal
| | - Beatriz Araújo
- Health Sciences Research Center (CICS-UBI), University of Beira Interior, 6201-506 Covilhã, Portugal
| | | | - Graça Baltazar
- Health Sciences Research Center (CICS-UBI), University of Beira Interior, 6201-506 Covilhã, Portugal
- Faculty of Health Sciences, University of Beira Interior, 6201-506 Covilhã, Portugal
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Ou-yang Y, Dai MM. Screening for genes, miRNAs and transcription factors of adipogenic differentiation and dedifferentiation of mesenchymal stem cells. J Orthop Surg Res 2023; 18:46. [PMID: 36647068 PMCID: PMC9843867 DOI: 10.1186/s13018-023-03514-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 01/08/2023] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND The purpose of present study was to reveal the molecular mechanisms responsible for both adipogenic differentiation and dedifferentiation of mesenchymal stem cells (MSCs). METHODS Microarray data GSE36923 were obtained from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) between adipogenically differentiated cells vs undifferentiated bone marrow-derived MSCs, adipogenically differentiated cells vs dedifferentiated cells samples at day 7 and adipogenically differentiated cells vs dedifferentiated cells samples at day 35 were screened, and overlapped DEGs across the three groups were analyzed. The underlying functions of the upregulated and downregulated DEGs were investigated by Gene ontology enrichment and Kyoto Encyclopedia of Genes and Genomes pathway analysis. The protein-protein interaction network was constructed, and hub genes were obtained subsequently. Hub genes were verified with GSE113253 dataset, and then miRNA-gene network and TF-gene network were constructed. RESULTS A total of 284 upregulated DEGs and 376 downregulated DEGs overlapped across the three groups. PPAR signaling pathway, AMPK signaling pathway, insulin signaling pathway, carbon metabolism, pyruvate metabolism, fatty acid metabolism, regulation of lipolysis in adipocytes, biosynthesis of amino acids, citrate cycle (TCA cycle) and 2-Oxocarboxylic acid metabolism were the top 10 pathways involving in the upregulated DEGs, and graft-versus-host disease, allograft rejection, viral myocarditis, cell adhesion molecules, phagosome, type I diabetes mellitus, antigen processing and presentation, autoimmune thyroid disease, intestinal immune network for IgA production and rheumatoid arthritis were the top 10 pathways in downregulated DEGs. After validation, the 8 hub genes were IL6, PPARG, CCL2, FASN, CEBPA, ADIPOQ, FABP4 and LIPE. Ten key miRNAs were hsa-mir-27a-3p, hsa-mir-182-5p, hsa-mir-7-5p, hsa-mir-16-5p, hsa-mir-1-3p, hsa-mir-155-5p, hsa-mir-21-3p, hsa-mir-34a-5p, hsa-mir-27a-5p and hsa-mir-30c-5p, and 10 key TFs were TFDP1, GTF2A2, ZNF584, NRF1, ZNF512, NFRKB, CEBPG, KLF16, GLIS2 and MXD4. CONCLUSION Our study constructed miRNA-gene network and TF-gene network involved in both adipogenic differentiation and dedifferentiation of MSCs, contributing to enhancing the efficiency of MSCs transplantation in soft tissue defect repair and developing more potent remedies for adipogenesis-related skeletal disorders.
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Affiliation(s)
- Yi Ou-yang
- grid.284723.80000 0000 8877 7471Department of Traumatic Joint Surgery, Shunde Hospital, Southern Medical University (The First People’s Hospital of Shunde, Foshan), No.1 Jiazi Road, Lunjiao, Shunde District, Foshan City, Guangdong Province China
| | - Miao-miao Dai
- grid.284723.80000 0000 8877 7471Department of Ophthalmology, Shunde Hospital, Southern Medical University (The First People’s Hospital of Shunde, Foshan), No.1 Jiazi Road, Lunjiao, Shunde District, Foshan City, Guangdong Province China
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Mehta N, Shaik S, Prasad A, Chaichi A, Sahu SP, Liu Q, Hasan SMA, Sheikh E, Donnarumma F, Murray KK, Fu X, Devireddy R, Gartia MR. Multimodal Label-Free Monitoring of Adipogenic Stem Cell Differentiation Using Endogenous Optical Biomarkers. ADVANCED FUNCTIONAL MATERIALS 2021; 31:2103955. [PMID: 34924914 PMCID: PMC8680429 DOI: 10.1002/adfm.202103955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Indexed: 05/13/2023]
Abstract
Stem cell-based therapies carry significant promise for treating human diseases. However, clinical translation of stem cell transplants for effective treatment requires precise non-destructive evaluation of the purity of stem cells with high sensitivity (<0.001% of the number of cells). Here, a novel methodology using hyperspectral imaging (HSI) combined with spectral angle mapping-based machine learning analysis is reported to distinguish differentiating human adipose-derived stem cells (hASCs) from control stem cells. The spectral signature of adipogenesis generated by the HSI method enables identifying differentiated cells at single-cell resolution. The label-free HSI method is compared with the standard techniques such as Oil Red O staining, fluorescence microscopy, and qPCR that are routinely used to evaluate adipogenic differentiation of hASCs. HSI is successfully used to assess the abundance of adipocytes derived from transplanted cells in a transgenic mice model. Further, Raman microscopy and multiphoton-based metabolic imaging is performed to provide complementary information for the functional imaging of the hASCs. Finally, the HSI method is validated using matrix-assisted laser desorption/ionization-mass spectrometry imaging of the stem cells. The study presented here demonstrates that multimodal imaging methods enable label-free identification of stem cell differentiation with high spatial and chemical resolution.
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Affiliation(s)
- Nishir Mehta
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Shahensha Shaik
- Division of Basic Pharmaceutical Sciences, College of Pharmacy, Xavier University of Louisiana, New Orleans, LA 70125, USA
| | - Alisha Prasad
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Ardalan Chaichi
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Sushant P Sahu
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Qianglin Liu
- LSU AgCenter, School of Animal Sciences, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Syed Mohammad Abid Hasan
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Elnaz Sheikh
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Fabrizio Donnarumma
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Kermit K Murray
- Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Xing Fu
- LSU AgCenter, School of Animal Sciences, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Ram Devireddy
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Manas Ranjan Gartia
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
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The development of laminin-alginate microspheres encapsulated with Ginsenoside Rg1 and ADSCs for breast reconstruction after lumpectomy. Bioact Mater 2020; 6:1699-1710. [PMID: 33313449 PMCID: PMC7710511 DOI: 10.1016/j.bioactmat.2020.11.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/02/2020] [Accepted: 11/27/2020] [Indexed: 02/06/2023] Open
Abstract
Many technologies have been developed for breast reconstruction after lumpectomy. Although the technologies achieved promising success in clinical, there are still many shortages hanging over and trouble the researchers. Tissue engineering technology was introduced to plastic surgery that gave a light to lumpectomy patients in breast reconstruction. The unexpected absorption rate, resulting from limited vascularization and low cell survival rate, is a major factor that leads to unsatisfactory results for the previous studies in our lab. In the study, the laminin-modified alginate synthesized by a new method of low concertation of sodium periodate would be mixed with ADSCs and Rg1 in the medium; and then sprayed into a calcium chloride (CaCl2) solution to prepare into microsphere (abbreviated as ADSC–G-LAMS) by bio-electrospray with a power syringe for the mass production and smaller bead size. The developed ADSC–G-LAMS microspheres had the diameter of 232 ± 42 μm. Sustained-release of the Rg1 retained its biological activity. WST-1, live/dead staining, and chromosome aberration assay were evaluated to confirm the safety of the microspheres. In in vivo study, ADSC–G-LAMS microspheres combined with autologous adipocytes were transplanted into the dorsum of rats by subcutaneous injection. The efficacy was investigated by H&E and immunofluorescence staining. The results showed that the bioactive ADSC–G-LAMS microspheres could integrate well into the host adipose tissue with an adequate rate of angiogenesis by constantly releasing Rg1 to enhance the ADSC or adipocyte survival rate to join tissue growth and repair with adipogenesis for breast reconstruction after lumpectomy. Laminin-modified alginate was successfully synthesized to mimic early embryonic environment. Adipose-derived stem cells (ADSCs) and ginsenoside Rg1 were encapsulated into laminin-alginate microspheres (ADSC–G-LAMS) by bio-electrospray method. ADSC–G-LAMS microspheres integrated into the host adipose tissue with an adequate rate of angiogenesis by constantly releasing Rg1. The developed bioactive ADSC–G-LAMS microspheres can be potential scaffolds for stem cells and angiogenic factor carriers for tissue engineering.
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Haylett WL, Ferris WF. Adipocyte-progenitor cell communication that influences adipogenesis. Cell Mol Life Sci 2020; 77:115-128. [PMID: 31352534 PMCID: PMC11104918 DOI: 10.1007/s00018-019-03256-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/05/2019] [Accepted: 07/24/2019] [Indexed: 12/12/2022]
Abstract
Adipose tissue is located in discrete depots that are differentially associated with elevated risk of metabolic complications, with fat accretion in visceral depots being most detrimental to metabolic health. Currently, the regulation of specific adipose depot expansion, by adipocyte hypertrophy and hyperplasia and consequently fat distribution, is not well understood. However, a growing body of evidence from in vitro investigations indicates that mature adipocytes secrete factors that modulate the proliferation and differentiation of progenitor, adipose-derived stem cells (ADSCs). It is therefore plausible that endocrine communication between adipocytes and ADSCs located in different depots influences fat distribution, and may therefore contribute to the adverse health outcomes associated with visceral adiposity. This review will explore the available evidence of paracrine and endocrine crosstalk between mature adipocytes and ADSCs that affects adipogenesis, as a better understanding of the regulatory roles of the extracellular signalling mechanisms within- and between adipose depots may profoundly change the way we view adipose tissue growth in obesity and related comorbidities.
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Affiliation(s)
- William Lloyd Haylett
- Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - William Frank Ferris
- Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa.
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Baez-Jurado E, Hidalgo-Lanussa O, Barrera-Bailón B, Sahebkar A, Ashraf GM, Echeverria V, Barreto GE. Secretome of Mesenchymal Stem Cells and Its Potential Protective Effects on Brain Pathologies. Mol Neurobiol 2019; 56:6902-6927. [PMID: 30941733 DOI: 10.1007/s12035-019-1570-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 03/18/2019] [Indexed: 02/06/2023]
Abstract
Previous studies have indicated that mesenchymal stem cells (MSCs) have a fundamental role in the repair and regeneration of damaged tissues. There is strong evidence showing that much of the beneficial effects of these cells are due to the secretion of bioactive molecules-besides microRNAs, hormones, and neurotrophins-with anti-inflammatory, immunoregulatory, angiogenic, and trophic effects. These factors have been reported by many studies to possess protective effects on the nervous tissue. Although the beneficial effects of the secretory factors of MSCs have been suggested for various neurological diseases, their actions on astrocytic cells are not well understood. Hence, it is important to recognize the specific effects of MSCs derived from adipose tissue, in addition to the differences presented by the secretome, depending on the source and methods of analysis. In this paper, the different sources of MSCs and their main characteristics are described, as well as the most significant advances in regeneration and protection provided by the secretome of MSCs. Also, we discuss the possible neuroprotective mechanisms of action of the MSC-derived biomolecules, with special emphasis on the effect of MSCs derived from adipose tissue and their impact on glial cells and brain pathologies.
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Affiliation(s)
- Eliana Baez-Jurado
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, DC, Colombia
| | - Oscar Hidalgo-Lanussa
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, DC, Colombia
| | - Biviana Barrera-Bailón
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, DC, Colombia
| | - Amirhossein Sahebkar
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ghulam Md Ashraf
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Valentina Echeverria
- Facultad de Ciencias de la Salud, Universidad San Sebastian, Lientur 1457, 4080871, Concepción, Chile.,Research & Development Service, Bay Pines VA Healthcare System, Bay Pines, FL, 33744, USA
| | - George E Barreto
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, DC, Colombia.
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Zhang Y, Yu M, Zhao X, Dai M, Chen C, Tian W. Optimizing adipose tissue extract isolation with stirred suspension culture. Connect Tissue Res 2019; 60:178-188. [PMID: 29852798 DOI: 10.1080/03008207.2018.1483357] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
OBJECTIVES Adherent culture which is used to collect adipose tissue extract (ATE) previously brings the problem of inhomogeneity and non-repeatability. Here we aim to extract ATE with stirred suspension culture to speed up the extraction process, stabilize the yield, and improve consistent potency metrics of ATE. MATERIALS AND METHODS ATE was collected with adherent culture (ATE-A) and stirred suspension culture (ATE-S) separately. Protein yield and composition were detected by SDS-PAGE, while cytokines in ATE were determined with ELISA. The adipogenic and angiogenic potential of ATE were compared by western blot and qPCR. In addition, haematoxylin and eosin staining and lactate dehydrogenase (LDH) activity assays were used to analyze the cell viability of adipose tissue cultured with different methods. RESULTS The yield of ATE-S was consistent while ATE-A varied notably. Characterization of the protein composition and exosome-like vesicles (ELVs) indicated no significant difference between ATE-S and ATE-A. The concentrations of cytokines (VEGF, bFGF, and IL-6) showed no significant difference, while IGF in ATE-S was higher than that in ATE-A. ATE-S showed upregulated adipogenic and angiogenic potential compared to ATE-A. Morever, stirred suspension culture decreased the LDH activity of ATE while increased the number of viable adipocytes and reduced adipose tissue necrosis. CONCLUSION Compared with adherent culture, stirred suspension culture is a reliable, time- and labor-saving method to collect ATE, which might be used to improve the downstream applications of ATE.
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Affiliation(s)
- Yan Zhang
- a State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Oral Regenerative Medicine & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology , Sichuan University , Chengdu , China
| | - Mei Yu
- a State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Oral Regenerative Medicine & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology , Sichuan University , Chengdu , China
| | - Xueyong Zhao
- a State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Oral Regenerative Medicine & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology , Sichuan University , Chengdu , China
| | - Minjia Dai
- a State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Oral Regenerative Medicine & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology , Sichuan University , Chengdu , China
| | - Chang Chen
- a State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Oral Regenerative Medicine & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology , Sichuan University , Chengdu , China
| | - Weidong Tian
- a State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Oral Regenerative Medicine & Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology , Sichuan University , Chengdu , China
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Shoaito H, Petit J, Chissey A, Auzeil N, Guibourdenche J, Gil S, Laprévote O, Fournier T, Degrelle SA. The Role of Peroxisome Proliferator–Activated Receptor Gamma (PPARγ) in Mono(2-ethylhexyl) Phthalate (MEHP)-Mediated Cytotrophoblast Differentiation. ENVIRONMENTAL HEALTH PERSPECTIVES 2019; 127:27003. [PMID: 30810372 PMCID: PMC6752943 DOI: 10.1289/ehp3730] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
BACKGROUND Phthalates are environmental contaminants commonly used as plasticizers in polyvinyl chloride (PVC) products. Recently, exposure to phthalates has been associated with preterm birth, low birth weight, and pregnancy loss. There is limited information about the possible mechanisms linking maternal phthalate exposure and placental development, but one such mechanism may be mediated by peroxisome proliferator–activated receptor γ (PPARγ). PPARγ belongs to the nuclear receptor superfamily that regulates, in a ligand-dependent manner, the transcription of target genes. Studies of PPARγ-deficient mice have demonstrated its essential role in lipid metabolism and placental development. In the human placenta, PPARγ is expressed in the villous cytotrophoblast (VCT) and is activated during its differentiation into syncytiotrophoblast. OBJECTIVES The goal of this study was to investigate the action of mono(2-ethylhexyl) phthalate (MEHP) on PPARγ activity during in vitro differentiation of VCTs. METHODS We combined immunofluorescence, PPARγ activity/hCG assays, western blotting, and lipidomics analyses to characterize the impacts of physiologically relevant concentrations of MEHP (0.1, 1, and 10 μM) on cultured VCTs isolated from human term placentas. RESULTS Doses of 0.1 and 1 μM MEHP showed significantly lower PPARγ activity and less VCT differentiation in comparison with controls, whereas, surprisingly, a 10 μM dose had the opposite effect. MEHP exposure inhibited hCG production and significantly altered lipid composition. In addition, MEHP had significant effects on the mitogen-activated protein kinase (MAPK) pathway. CONCLUSIONS This study suggests that MEHP has a U-shaped dose–response effect on trophoblast differentiation that is mediated by the PPARγ pathway and acts as an endocrine disruptor in the human placenta. https://doi.org/10.1289/EHP3730.
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Affiliation(s)
- Hussein Shoaito
- UMR-S1139, Faculté de Pharmacie de Paris, Institut national de la santé et de la recherché médicale (Inserm, National Institute of Health & Medical Research), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Julia Petit
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- UMR 8638, Faculté de Pharmacie de Paris, Centre national de la recherche scientifique (Cnrs, National Center for Scientific Research), Paris, France
| | - Audrey Chissey
- UMR-S1139, Faculté de Pharmacie de Paris, Institut national de la santé et de la recherché médicale (Inserm, National Institute of Health & Medical Research), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Nicolas Auzeil
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- UMR 8638, Faculté de Pharmacie de Paris, Centre national de la recherche scientifique (Cnrs, National Center for Scientific Research), Paris, France
| | - Jean Guibourdenche
- UMR-S1139, Faculté de Pharmacie de Paris, Institut national de la santé et de la recherché médicale (Inserm, National Institute of Health & Medical Research), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- Fondation PremUp, Paris, France
- Department of Biological Endocrinology, CHU Cochin, Assistance publique - Hôpitaux de Paris (AP-HP), Paris, France
| | - Sophie Gil
- UMR-S1139, Faculté de Pharmacie de Paris, Institut national de la santé et de la recherché médicale (Inserm, National Institute of Health & Medical Research), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- Fondation PremUp, Paris, France
| | - Olivier Laprévote
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- UMR 8638, Faculté de Pharmacie de Paris, Centre national de la recherche scientifique (Cnrs, National Center for Scientific Research), Paris, France
- Department of Biochemistry, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
| | - Thierry Fournier
- UMR-S1139, Faculté de Pharmacie de Paris, Institut national de la santé et de la recherché médicale (Inserm, National Institute of Health & Medical Research), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- Fondation PremUp, Paris, France
| | - Séverine A. Degrelle
- UMR-S1139, Faculté de Pharmacie de Paris, Institut national de la santé et de la recherché médicale (Inserm, National Institute of Health & Medical Research), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- Fondation PremUp, Paris, France
- Inovarion, Paris, France
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Wound Healing Effect of Conditioned Media Obtained From Adipose Tissue on Human Skin Cells: A Comparative in Vitro Study. Ann Plast Surg 2017; 77:156-63. [PMID: 25275476 DOI: 10.1097/sap.0000000000000358] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
BACKGROUND Split-thickness skin grafting is the gold standard to cover extensive acute and chronic wounds with a well-vascularized wound bed. Although some headway has been made in developing biological agents to speed up healing, there is still no treatment that sufficiently replaces skin grafts to date. The use of secretory factors of adipose tissue may be a feasible approach to developing topical wound applications for faster wound healing. METHODS In this study, the effect of conditioned media (CMs) of human adipose-derived stem cells (ASCs), adipocytes, or adipose tissue on human skin cells was evaluated for viability, proliferation, and migration in vitro. Differentiation potential of stem cells treated with CM was monitored by AdipoRed staining and qualitative real-time polymerase chain reaction. Angiogenic potential of human endothelial cells treated with CM was tested via sprouting assay. RESULTS The CM of adipose tissue significantly enhanced ASC proliferation (P < 0.01). Treatment with CM showed no inductive effect on ASC differentiation into adipocytes but, at the same time, significantly induced cell sprouting of endothelial cells (P < 0.001). We show for the first time that CM of adipose tissue is a potent inducer of proliferation of ASCs and angiogenesis, with comparable effects with those of stem cell-enriched CM. CONCLUSIONS We suggest the use of the secretome of adipose tissue to produce CM for topical application on wounds, rather than working with adipose tissue or including the difficult process of enriching the patients' stem cells in vitro.
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Chen YS, Hsueh YS, Chen YY, Lo CY, Tai HC, Lin FH. Evaluation of a laminin-alginate biomaterial, adipocytes, and adipocyte-derived stem cells interaction in animal autologous fat grafting model using 7-Tesla magnetic resonance imaging. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2017; 28:18. [PMID: 28000114 DOI: 10.1007/s10856-016-5826-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 11/29/2016] [Indexed: 06/06/2023]
Abstract
Biomaterials are often added to autologous fat grafts both as supporting matrices for the grafted adipocytes and as cell carrier for adipose-derived stem cells (ADSCs). This in vivo study used an autologous fat graft model to test a lamininalginate biomaterial, adipocytes, and ADSCs in immune-competent rats. We transplanted different combinations of shredded autologous adipose tissue [designated "A" for adipose tissue]), laminin-alginate beads [designated "B" for bead], and ADSCs [designated "C" for cell]) into the backs of 15 Sprague-Dawley rats. Group A received only adipocytes, Group B received only laminin-alginate beads, Group AB received adipocytes mixed with laminin-alginate beads, Group BC received laminin-alginate beads encapsulating ADSCs, and Group ABC received adipocytes and laminin-alginate beads containing ADSCs. Seven-tesla magnetic resonance imaging was used to evaluate the rats at the 1st, 6th, and 12th weeks after transplantation. At the 12th week, the rats were sacrificed and the implanted materials were retrieved for gross examination and histological evaluation. The results based on MRI, gross evaluation, and histological data all showed that implants in Group ABC had better resorption of the biomaterial, improved survival of the grafted adipocytes, and adipogenic differentiation of ADSCs. Volume retention of grafts in Group ABC (89%) was also significantly greater than those in Group A (58%) (p < 0.01). Our findings support that the combination of shredded adipose tissue with ADSCs in laminin-alginate beads provided the best overall outcome.
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Affiliation(s)
- Yo-Shen Chen
- Institute of Biomedical Engineering, National Taiwan University, Taipei, 10051, Taiwan
- Department of Plastic Surgery, Far Eastern Memorial Hospital, New Taipei City, 22060, Taiwan
| | - Yu-Sheng Hsueh
- Institute of Biomedical Engineering, National Taiwan University, Taipei, 10051, Taiwan
| | - Yen-Yu Chen
- Institute of Biomedical Engineering, National Taiwan University, Taipei, 10051, Taiwan
| | - Cheng-Yu Lo
- Department of Pathology, Far Eastern Memorial Hospital, New Taipei City, 22060, Taiwan
| | - Hao-Chih Tai
- Department of Plastic Surgery, National Taiwan University Hospital, Taipei, 10051, Taiwan
| | - Feng-Huei Lin
- Institute of Biomedical Engineering, National Taiwan University, Taipei, 10051, Taiwan.
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Miaoli, 35053, Taiwan.
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Dai M, Zhang Y, Yu M, Tian W. Therapeutic applications of conditioned medium from adipose tissue. Cell Prolif 2016; 49:561-7. [PMID: 27487984 PMCID: PMC6496245 DOI: 10.1111/cpr.12281] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 06/23/2016] [Indexed: 02/05/2023] Open
Abstract
For the past number of decades, adipose tissue has attracted significant interest due to its complicated composition and versatile functions. Adipose tissue is no longer considered to be just an energy-storing fat pad, but is also a key ring player in interaction networks between various organs and tissues. A wide range of factors released by adipose tissue are responsible for regulation of adipose tissue and other distant target tissues and cells, such as kidneys, skeletal muscle, the cardiovascular system and the immune system, in an auto-/paracrine manner. A mixture of bioactive molecules makes up the conditioned medium of adipose tissue. The beneficial role played by these bioactive molecules in angiogenesis, wound healing, tissue regeneration and immunomodulation has been demonstrated by various studies. Study of this conditioned medium helps deepen our understanding of underlying mechanisms and broadens the potential for therapeutic applications. In this review, we have aimed to improve fundamental understanding of conditioned medium from adipose tissue and to summarize recent efforts to study its therapeutic applications.
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Affiliation(s)
- Minjia Dai
- State Key Laboratory of Oral Disease, West China School of Stomatology, Sichuan University, Chengdu, 610041, China
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan Province, China
- Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yan Zhang
- State Key Laboratory of Oral Disease, West China School of Stomatology, Sichuan University, Chengdu, 610041, China
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan Province, China
- Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Mei Yu
- State Key Laboratory of Oral Disease, West China School of Stomatology, Sichuan University, Chengdu, 610041, China.
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan Province, China.
| | - Weidong Tian
- State Key Laboratory of Oral Disease, West China School of Stomatology, Sichuan University, Chengdu, 610041, China.
- National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan Province, China.
- Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu, 610041, China.
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Gholipourmalekabadi M, Sameni M, Radenkovic D, Mozafari M, Mossahebi‐Mohammadi M, Seifalian A. Decellularized human amniotic membrane: how viable is it as a delivery system for human adipose tissue-derived stromal cells? Cell Prolif 2016; 49:115-21. [PMID: 26840647 PMCID: PMC6496672 DOI: 10.1111/cpr.12240] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 10/12/2015] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVES Human amniotic membrane (HAM) has been widely used in soft tissue engineering both in its fresh form and decellularized; its efficiency to aid treatment of burn injuries is well known. On the other hand, it has been reported clinically by several studies that human adipose-derived stem cells (hADSC) are a promising cell source for cell therapy for burns. Recently, we have reported a new technique for decellularization of HAM. In this study, potential of prepared decellularized HAM (dHAM) as a viable support for proliferation and delivery of hADSC was investigated. MATERIALS AND METHODS Amniotic membranes were collected, decellularized and preserved according to the protocol described in our previously published study. hADSC were obtained from the patients undergoing elective liposuction surgery and cells were then seeded on the decellularized membrane for various times. Efficiency of the decellularized membrane as a delivery system for hADSC was investigated by MTT, LDH specific activity, DAPI staining and SEM. RESULTS The results showed that dHAM provided a supporting microenvironment for cell growth without producing any cytotoxic effects. In addition, the cells were spread out and actively attached to the dHAM scaffold. CONCLUSION These results strongly suggest that dHAMs have considerable potential as 3D cell-carrier scaffolds for delivery of hADSC, in tissue engineering and regenerative medicine applications.
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Affiliation(s)
- M. Gholipourmalekabadi
- Biotechnology DepartmentSchool of Advanced Technologies in MedicineShahid Beheshti University of Medical SciencesTehran198396‐3113Iran
- Cellular and Molecular Biology Research CentreShahid Beheshti University of Medical SciencesTehran198396‐3113Iran
| | - M. Sameni
- Cellular and Molecular Biology Research CentreShahid Beheshti University of Medical SciencesTehran198396‐3113Iran
| | - Dina Radenkovic
- University College London (UCL) Medical SchoolLondonWC1E 6BTUK
| | - M. Mozafari
- Bioengineering Research GroupNanotechnology and Advanced Materials DepartmentMERCTehran14155‐4777Iran
| | - M. Mossahebi‐Mohammadi
- Department of Hematology and Blood BankingFaculty of Medical SciencesTarbiat Modares UniversityTehran14115‐111Iran
| | - A. Seifalian
- Centre for Nanotechnology & Regenerative MedicineUCL and Royal Free HospitalLondonNW3 2QGUK
- NanoRegMed LtdLondonEC1V 4PWUK
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Unser AM, Tian Y, Xie Y. Opportunities and challenges in three-dimensional brown adipogenesis of stem cells. Biotechnol Adv 2015; 33:962-79. [PMID: 26231586 DOI: 10.1016/j.biotechadv.2015.07.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Revised: 07/07/2015] [Accepted: 07/23/2015] [Indexed: 12/21/2022]
Abstract
The formation of brown adipose tissue (BAT) via brown adipogenesis has become a notable process due to its ability to expend energy as heat with implications in the treatment of metabolic disorders and obesity. With the advent of complexity within white adipose tissue (WAT) along with inducible brown adipocytes (also known as brite and beige), there has been a surge in deciphering adipocyte biology as well as in vivo adipogenic microenvironments. A therapeutic outcome would benefit from understanding early events in brown adipogenesis, which can be accomplished by studying cellular differentiation. Pluripotent stem cells are an efficient model for differentiation and have been directed towards both white adipogenic and brown adipogenic lineages. The stem cell microenvironment greatly contributes to terminal cell fate and as such, has been mimicked extensively by various polymers including those that can form 3D hydrogel constructs capable of biochemical and/or mechanical modifications and modulations. Using bioengineering approaches towards the creation of 3D cell culture arrangements is more beneficial than traditional 2D culture in that it better recapitulates the native tissue biochemically and biomechanically. In addition, such an approach could potentially protect the tissue formed from necrosis and allow for more efficient implantation. In this review, we highlight the promise of brown adipocytes with a focus on brown adipogenic differentiation of stem cells using bioengineering approaches, along with potential challenges and opportunities that arise when considering the energy expenditure of BAT for prospective therapeutics.
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Affiliation(s)
- Andrea M Unser
- Colleges of Nanoscale Science and Engineering, SUNY Polytechnic Institute, 257 Fuller Road Albany, NY 12203, USA
| | - Yangzi Tian
- Colleges of Nanoscale Science and Engineering, SUNY Polytechnic Institute, 257 Fuller Road Albany, NY 12203, USA
| | - Yubing Xie
- Colleges of Nanoscale Science and Engineering, SUNY Polytechnic Institute, 257 Fuller Road Albany, NY 12203, USA.
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15
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Kopras E, Potluri V, Bermudez ML, Williams K, Belcher S, Kasper S. Actions of endocrine-disrupting chemicals on stem/progenitor cells during development and disease. Endocr Relat Cancer 2014; 21:T1-12. [PMID: 24280134 PMCID: PMC11037424 DOI: 10.1530/erc-13-0360] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Development and fate of the stem cell are regulated by extrinsic signals from the environment. Endocrine-disrupting chemicals which perturb hormonal signaling in utero and during early childhood may cause deregulation of multiple developmental processes, ranging from breakdown of stem cell niche architecture, developmental reprograming and altered stem cell fate to impaired organ and gonad development and sexual differentiation. Therefore, study of the environmental effects on stem cell integrity and normal development is a new and emerging focus for developmental biologists and cell toxicologists. When combined with new human and mouse stem cell-based models, stem cell differentiation dynamics can be studied in more biologically relevant ways. In this study, we review the current status of our understanding of the molecular mechanisms by which endocrine disruptors alter embryonic stem cell and adult stem/progenitor cell fate, organ development, cancer stem cell activity, and tumorigenesis.
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Affiliation(s)
- Elizabeth Kopras
- Department of Environmental Heath, University of Cincinnati, 3223 Eden Avenue, Cincinnati, Ohio 45267-0056, USA Department of Pharmacology and Cell Biophysics, University of Cincinnati, Cincinnati, Ohio 45267-0575, USA
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Wilson B, Liotta LA, Petricoiniii E. Dynamic protein pathway activation mapping of adipose-derived stem cell differentiation implicates novel regulators of adipocyte differentiation. Mol Cell Proteomics 2013; 12:2522-35. [PMID: 23750025 DOI: 10.1074/mcp.m112.025346] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Next to embryonic stem cell research, adult stem cell research is providing a promising alternative for enhanced tissue regeneration and transplantation. The key biochemical networks controlling the differentiation processes regulating stem cell biology remain largely disputed and or undefined, contributing to a lack of knowledge of the principle phosphoregulatory events propagating signal transduction. To effectively monitor these events relative to adipocyte differentiation, this study utilized a high throughput reverse phase protein microarray platform and characterized adult adipose-derived stem cell (ASC) differentiation through the monitoring of ∼100 phosphospecific endpoints with 33 distinct time points examined across 14 days. This kinetic-based analysis showed time ordered signal transduction ultimately implicating pathways correlated with adipogenic differentiation. To further validate the causal significance of these network activations, pharmacological targeting was implemented to include the chemical inhibitors MAPK inhibitor PD169316, rapamycin, and HNMPA-(AM)3 yielding partial or complete disruption of adipocytic differentiation, as noted by a decrease or lack of lipid formation within the mature adipocytes. Based on this analysis, v-crk sarcoma virus CT10 oncogene homolog (CRKII) and c-abl oncogene 1, non-receptor tyrosine kinase (c-ABL) were implicated as novel key regulators of adipocyte differentiation, with v-akt murine thymoma viral oncogene (AKT), mammalian target of rapamycin (mTOR), and SMAD family member (SMAD) pathways being implicated as secondary regulators. This dynamic molecular profiling provides a novel insight into the signaling architecture of mesenchymal stem cell differentiation and may be useful in the development of therapeutic modulators for clinical applications; in addition to advancing the collective understanding of key cellular processes, ultimately contributing to more confident stem cell manipulation.
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Affiliation(s)
- Bridget Wilson
- Center for Applied Proteomics and Molecular Medicine, George Mason University, Manassas, VA 20110, USA.
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The role of paracrine and autocrine signaling in the early phase of adipogenic differentiation of adipose-derived stem cells. PLoS One 2013; 8:e63638. [PMID: 23723991 PMCID: PMC3665830 DOI: 10.1371/journal.pone.0063638] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Accepted: 04/04/2013] [Indexed: 01/01/2023] Open
Abstract
Introduction High cell density is known to enhance adipogenic differentiation of mesenchymal stem cells, suggesting secretion of signaling factors or cell-contact-mediated signaling. By employing microfluidic biochip technology, we have been able to separate these two processes and study the secretion pathways. Methods and results Adipogenic differentiation of human adipose-derived stem cells (ASCs) cultured in a microfluidic system was investigated under perfusion conditions with an adipogenic medium or an adipogenic medium supplemented with supernatant from differentiating ASCs (conditioned medium). Conditioned medium increased adipogenic differentiation compared to adipogenic medium with respect to accumulation of lipid-filled vacuoles and gene expression of key adipogenic markers (C/EBPα, C/EBPβ, C/EBPδ, PPARγ, LPL and adiponectin). The positive effects of conditioned medium were observed early in the differentiation process. Conclusions Using different cell densities and microfluidic perfusion cell cultures to suppress the effects of cell-released factors, we have demonstrated the significant role played by auto- or paracrine signaling in adipocyte differentiation. The cell-released factor(s) were shown to act in the recruitment phase of the differentiation process.
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Garland CB, Pomerantz JH. Regenerative strategies for craniofacial disorders. Front Physiol 2012; 3:453. [PMID: 23248598 PMCID: PMC3521957 DOI: 10.3389/fphys.2012.00453] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2012] [Accepted: 11/12/2012] [Indexed: 01/26/2023] Open
Abstract
Craniofacial disorders present markedly complicated problems in reconstruction because of the complex interactions of the multiple, simultaneously affected tissues. Regenerative medicine holds promise for new strategies to improve treatment of these disorders. This review addresses current areas of unmet need in craniofacial reconstruction and emphasizes how craniofacial tissues differ from their analogs elsewhere in the body. We present a problem-based approach to illustrate current treatment strategies for various craniofacial disorders, to highlight areas of need, and to suggest regenerative strategies for craniofacial bone, fat, muscle, nerve, and skin. For some tissues, current approaches offer excellent reconstructive solutions using autologous tissue or prosthetic materials. Thus, new “regenerative” approaches would need to offer major advantages in order to be adopted. In other tissues, the unmet need is great, and we suggest the greatest regenerative need is for muscle, skin, and nerve. The advent of composite facial tissue transplantation and the development of regenerative medicine are each likely to add important new paradigms to our treatment of craniofacial disorders.
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Affiliation(s)
- Catharine B Garland
- Department of Surgery, Division of Plastic and Reconstructive Surgery, University of California San Francisco San Francisco, CA, USA ; Craniofacial and Mesenchymal Biology Program, University of California San Francisco San Francisco, CA, USA
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