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Kim J, Tran VVT, Hong KY, Chang H. Effect of Injectable Acellular Adipose Matrix on Soft Tissue Reconstruction in a Murine Model. Aesthetic Plast Surg 2024; 48:2210-2219. [PMID: 38499876 DOI: 10.1007/s00266-024-03924-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 02/09/2024] [Indexed: 03/20/2024]
Abstract
BACKGROUND The extracellular matrix isolated from adipose tissue, known as acellular adipose matrix (AAM), represents a novel biomaterial. AAM functions as a scaffold that not only supports stem cell proliferation and differentiation but also induces adipogenesis and angiogenesis. This study aims to investigate the volumetric effects and microenvironmental changes associated with injectable AAM in comparison to conventional fat grafting. METHODS AAM was manufactured from fresh human abdominoplasty fat using a mechanically modified method and then transformed into an injectable form. Lipoaspirate was harvested employing the Coleman technique. A weight and volume study was conducted on athymic nude mice by injecting either injectable AAM or lipoaspirate into the scalp (n=6 per group). After eight weeks, graft retention was assessed through weight measurement and volumetric analysis using micro-computed tomography (micro-CT) scanning. Histological analysis was performed using immunofluorescence staining for perilipin and CD31. RESULTS Injectable AAM exhibited similar weight and volume effects in murine models. Histological analysis revealed comparable inflammatory cell presence with minimal capsule formation when compared to conventional fat grafts. Adipogenesis occurred in both AAM-injected and conventional fat graft models, with no significant difference in the blood vessel area (%) between the two. CONCLUSIONS In summary, injectable AAM demonstrates effectiveness comparable to conventional fat grafting concerning volume effects and tissue regeneration in soft tissue reconstruction. This promising allogeneic injectable holds the potential to serve as a safe and effective "Off-the-Shelf" alternative in both aesthetic and reconstructive clinical practices. NO LEVEL ASSIGNED This journal requires that authors assign a level of evidence to each submission to which Evidence-Based Medicine rankings are applicable. This excludes Review Articles, Book Reviews, and manuscripts that concern Basic Science, Animal Studies, Cadaver Studies, and Experimental Studies. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Affiliation(s)
- Jaewoo Kim
- Department of Plastic and Reconstructive Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Plastic and Reconstructive Surgery, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea
| | - Vinh Vuong The Tran
- Department of Plastic and Reconstructive Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
- Hi-Tech Center, Vinmec Healthcare System, Hanoi, Vietnam
| | - Ki Yong Hong
- Department of Plastic and Reconstructive Surgery, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, 03080, Seoul, Republic of Korea.
| | - Hak Chang
- Department of Plastic and Reconstructive Surgery, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, 03080, Seoul, Republic of Korea.
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Tran VVT, Hong KY, Jin X, Chang H. Histological Comparison of Nanofat and Lipoconcentrate: Enhanced Effects of Lipoconcentrate on Adipogenesis and Angiogenesis. Aesthetic Plast Surg 2024; 48:752-763. [PMID: 37648930 DOI: 10.1007/s00266-023-03583-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 07/26/2023] [Indexed: 09/01/2023]
Abstract
BACKGROUND Nanofat and lipoconcentrate contain adipose-derived stem cells and growth factors, and have wide clinical applications in the regenerative field. This study aimed to investigate the microenvironmental changes associated with nanofat and lipoconcentrate. METHODS Conventional fat, nanofat, or lipoconcentrate (0.2 mL each, n = 5 per group) were injected subcutaneously into the dorsal flanks of athymic nude mice. The graft weights were measured at postoperative week 4; the grafts and their overlying skin were used for histological analyses. RESULTS Weights of the lipoconcentrate grafts were significantly greater than those of the conventional fat (p < 0.05) and nanofat (p < 0.01) grafts. There was no significant difference in inflammation, oil cysts, and fibrosis between the conventional fat and nanofat groups. Histological examination of the lipoconcentrate grafts showed less macrophage infiltration and the formation of fibrosis and oil cysts. Additionally, adipogenesis and angiogenesis were induced more in the lipoconcentrate grafts than in the nanofat grafts (p < 0.01). Lipoconcentrate and nanofat improved dermal thickness (p < 0.001 and p < 0.01, respectively, versus the baseline). CONCLUSION Lipoconcentrate grafts had greater volume and shape retention than conventional fat and nanofat grafts. They had better histological structure and acted as scaffolds for adipogenesis and angiogenesis. Both products showed regenerative effects on dermal thickness; however, only lipoconcentrate grafts had the required volume and regenerative effects, allowing it to serve as a novel adipose-free grafting method for facial rejuvenation and contouring. NO LEVEL ASSIGNED This journal requires that authors assign a level of evidence to each submission to which Evidence-Based Medicine rankings are applicable. This excludes Review Articles, Book Reviews, and manuscripts that concern Basic Science, Animal Studies, Cadaver Studies, and Experimental Studies. For a full description of these Evidence-Based Medicine ratings, please refer to Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Affiliation(s)
- Vinh Vuong The Tran
- Department of Plastic and Reconstructive Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Ki Yong Hong
- Department of Plastic and Reconstructive Surgery, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea
| | - Xian Jin
- Department of Plastic and Reconstructive Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Hak Chang
- Department of Plastic and Reconstructive Surgery, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea.
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La Padula S, Ponzo M, Lombardi M, Iazzetta V, Errico C, Polverino G, Russo F, D'Andrea L, Hersant B, Meningaud JP, Salzano G, Pensato R. Nanofat in Plastic Reconstructive, Regenerative, and Aesthetic Surgery: A Review of Advancements in Face-Focused Applications. J Clin Med 2023; 12:4351. [PMID: 37445386 DOI: 10.3390/jcm12134351] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/19/2023] [Accepted: 06/25/2023] [Indexed: 07/15/2023] Open
Abstract
Nanofat is a relatively novel technique in fat grafting that has gained significant interest in the fields of regenerative medicine, aesthetic and translational research. It involves the extraction of autologous fat from a patient, which is then transformed into "nanofat", consisting of small fat particles with a diameter of less than 0.1 mm and containing high concentrations of stem cells and growth factors. This article focuses on the use of nanofat in facial rejuvenation and its potential for lipomodelling. Fat tissue is a "stem cell depot" and nanofat contains many stem cells that can differentiate into various cell types. The Lipogem technology, developed in 2013, enables the isolation of nanofat with an intact perivascular structure, utilizing the high concentration of mesenchymal stromal cells near the pericytes of the adipose vascular system. Nowadays nanofat is used primarily for cosmetic purposes particularly in rejuvenating and improving the appearance of the skin, especially the face. Indeed, it has wide applicability; it can be used to treat fine lines, wrinkles, acne scars, sun-damaged skin, scar repair, and as an alopecia treatment. However, further studies are needed to assess the long-term efficacy and safety of this technique. In conclusion, nanofat is a safe and minimally invasive option for tissue regeneration with considerable therapeutic potential. This study reviews the application and effects of nanofat in regenerative medicine and facial cosmetic surgery.
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Affiliation(s)
- Simone La Padula
- Department of Plastic and Reconstructive Surgery, Federico II University of Naples, Via Pansini 5, 80131 Naples, Italy
- Department of Plastic, Reconstructive and Maxillo-Facial Surgery, Henri Mondor Hospital, University Paris, XII, 51 Avenue du Maréchal de Lattre de Tassigny, 94000 Créteil, France
| | - Martina Ponzo
- Department of Plastic and Reconstructive Surgery, Federico II University of Naples, Via Pansini 5, 80131 Naples, Italy
| | - Mariagiovanna Lombardi
- Department of Plastic and Reconstructive Surgery, Federico II University of Naples, Via Pansini 5, 80131 Naples, Italy
| | - Vincenzo Iazzetta
- Department of Plastic and Reconstructive Surgery, Federico II University of Naples, Via Pansini 5, 80131 Naples, Italy
| | - Concetta Errico
- Department of Plastic and Reconstructive Surgery, Federico II University of Naples, Via Pansini 5, 80131 Naples, Italy
| | - Gianmarco Polverino
- Department of Plastic and Reconstructive Surgery, Federico II University of Naples, Via Pansini 5, 80131 Naples, Italy
| | - Francesca Russo
- Department of Plastic and Reconstructive Surgery, Federico II University of Naples, Via Pansini 5, 80131 Naples, Italy
| | - Luca D'Andrea
- Department of Plastic and Reconstructive Surgery, Federico II University of Naples, Via Pansini 5, 80131 Naples, Italy
| | - Barbara Hersant
- Department of Plastic, Reconstructive and Maxillo-Facial Surgery, Henri Mondor Hospital, University Paris, XII, 51 Avenue du Maréchal de Lattre de Tassigny, 94000 Créteil, France
| | - Jean Paul Meningaud
- Department of Plastic, Reconstructive and Maxillo-Facial Surgery, Henri Mondor Hospital, University Paris, XII, 51 Avenue du Maréchal de Lattre de Tassigny, 94000 Créteil, France
| | - Giovanni Salzano
- Maxillofacial Surgery Unit, Federico II University of Naples, 80131 Naples, Italy
| | - Rosita Pensato
- Department of Plastic and Reconstructive Surgery, Federico II University of Naples, Via Pansini 5, 80131 Naples, Italy
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Atiyeh B, Oneisi A. Letter to the Editor: An Optimized Method for Adipose Stromal Vascular Fraction Isolation and its Application in Fat Grafting. Aesthetic Plast Surg 2023; 47:12-14. [PMID: 35237880 DOI: 10.1007/s00266-022-02796-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 01/17/2022] [Indexed: 11/30/2022]
Abstract
Level of Evidence V This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Affiliation(s)
- Bishara Atiyeh
- Division of Plastic and Reconstructive Surgery, American University of Beirut Medical Center, Beirut, Lebanon
| | - Ahmad Oneisi
- Division of Plastic and Reconstructive Surgery, American University of Beirut Medical Center, Beirut, Lebanon.
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Atiyeh B, Emsieh SE. Comment on "Satisfaction of Patients and Surgeons with Combined Aptos Thread Lifting Treatment, Fat Grafting and Laser Treatment". Aesthetic Plast Surg 2023; 47:129-132. [PMID: 36100782 DOI: 10.1007/s00266-022-03084-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 08/22/2022] [Indexed: 01/26/2023]
Affiliation(s)
- Bishara Atiyeh
- American University of Beirut Medical Center, Beirut, Lebanon
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Bellei B, Migliano E, Picardo M. Research update of adipose tissue-based therapies in regenerative dermatology. Stem Cell Rev Rep 2022; 18:1956-1973. [PMID: 35230644 DOI: 10.1007/s12015-022-10328-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/01/2022] [Indexed: 12/09/2022]
Abstract
Mesenchymal stromal/stem cells (MSCs) have a spontaneous propensity to support tissue homeostasis and regeneration. Among the several sources of MSCs, adipose-derived tissue stem cells (ADSCs) have received major interest due to the higher mesenchymal stem cells concentration, ease, and safety of access. However, since a significant part of the natural capacity of ADSCs to repair damaged tissue is ascribable to their secretory activity that combines mitogenic factors, cytokines, chemokines, lipids, and extracellular matrix components, several studies focused on cell-free strategies. Furthermore, adipose cell-free derivatives are becoming more attractive especially for non-volumizing purposes, such as most dermatological conditions. However, when keratinocytes, fibroblasts, melanocytes, adipocytes, and hair follicle cells might not be locally sourced, graft of materials containing concentrated ADSCs is preferred. The usage of extracellular elements of adipose tissue aims to promote a self-autonomous regenerative microenvironment in the receiving area restoring physiological homeostasis. Hence, ADSCs or their paracrine activity are currently being studied in several dermatological settings including wound healing, skin fibrosis, burn, and aging.The present work analyzing both preclinical and clinical experiences gives an overview of the efficacy of adipose tissue-derivatives like autologous fat, the stromal vascular fraction (SVF), purified ADSCs, secretome and extracellular matrix graft in the field of regenerative medicine for the skin.
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Affiliation(s)
- Barbara Bellei
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, Via Elio Chianesi 53, 00144, Rome, Italy.
| | - Emilia Migliano
- Department of Plastic and Reconstructive Surgery, San Gallicano Dermatological Institute, IRCCS, Via Elio Chianesi 53, 00144, Rome, Italy
| | - Mauro Picardo
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, Via Elio Chianesi 53, 00144, Rome, Italy
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Verpaele A, Tonnard P, Ghiasloo M. Invited Discussion on: "Nanofat Cell-Mediated Anti-Aging Therapy: Evidence-Based Analysis of Efficacy and an Update of Stem Cell Facelift" by Bishara Atiyeh, Fadi Ghieh, Ahmad Oneisi. Aesthetic Plast Surg 2021; 45:2948-2951. [PMID: 34529105 DOI: 10.1007/s00266-021-02572-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 09/02/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Alexis Verpaele
- Tonnard and Verpaele Plastic Surgery Associates, Coupure 164 c/d, 9000, Ghent, Belgium.
| | - Patrick Tonnard
- Tonnard and Verpaele Plastic Surgery Associates, Coupure 164 c/d, 9000, Ghent, Belgium
| | - Mohammad Ghiasloo
- Department of Plastic and Reconstructive Surgery, Ghent University Hospital, Corneel Heymanslaan 10, Entrance 12, Route 1281, 9000, Ghent, Belgium
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