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Autologous Regenerative

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https://www.readbyqxmd.com/read/29333321/periodontal-wound-healing-following-reciprocal-autologous-root-transplantation-in-class-iii-furcation-defects
#1
Naoshi Takeuchi, Yoshinori Shirakata, Yukiya Shinohara, Kotaro Sena, Kazuyuki Noguchi
Purpose: Furcation involvement in the molars is difficult to treat, and has been recognized as a risk factor for tooth loss. Although periodontal regenerative therapies, including guided tissue regeneration and various types of bone grafts, have been applied to furcation defects, the effects of these treatments are limited, especially in large class III furcation defects. The purpose of this pilot study was to investigate the effect of reciprocal autologous root transplantation on periodontal wound healing and regeneration in class III furcation defects in dogs...
December 2017: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29324934/stem-cells-therapy-the-future-in-the-management-of-systemic-sclerosis-a-case-report
#2
Jung In Song, Silvanie Volz, Maria Eirini Liodaki, Peter Mailänder, Konstantinos Kalousis
OBJECTIVE: Systemic sclerosis (SSc) is a connective tissue disorder of unknown etiology, with heterogeneous clinical manifestations and chronic and often progressive course. The diffuse cutaneous form of SSc (dcSSc) is characterized by thickening of the skin (scleroderma) and distinctive involvement of multiple internal organs. Patients with limited cutaneous SSc (lcSSc) generally have long-standing Raynaud's phenomenon before other manifestations of SSc appear. Over the last decade the Interest of adipose-derived cell therapy in regenerative medicine has increased continuously...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29321063/first-clinical-case-report-of-local-microinjection-of-autologous-fat-and-adipose-derived-stromal-vascular-fraction-for-perianal-fistula-in-crohn-s-disease
#3
Cécile Philandrianos, Mélanie Serrero, Fanny Grimaud, Jérémy Magalon, Carine Visée, Mélanie Velier, Pauline Francois, Pierre Orsoni, Guy Magalon, Jean-Charles Grimaud, Ariadne Desjeux, Julie Véran, Florence Sabatier
Mesenchymal stem cell therapy is a promising treatment for perianal Crohn's fistulas refractory to conventional therapy, which are an extremely morbid complication and a true therapeutic challenge. Autologous adipose-derived stromal vascular fraction (ADSVF) is an easily accessible source of cells with angiogenic, anti-inflammatory, immunomodulatory, and regenerative properties. Here, we describe a case involving a patient with severe perianal Crohn's fistulas refractory to the best medical and surgical practices who received local treatment with ADSVF and microfat...
January 10, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29314633/leucocyte-and-platelet-rich-fibrin-a-carrier-of-autologous-multipotent-cells-for-regenerative-medicine
#4
Rosa Di Liddo, Thomas Bertalot, Alessio Borean, Ivan Pirola, Alberto Argentoni, Sandra Schrenk, Carola Cenzi, Stefano Capelli, Maria Teresa Conconi, Pier Paolo Parnigotto
The wound healing is a complex process wherein inflammation, proliferation and regeneration evolve according to a spatio-temporal pattern from the activation of coagulation cascade to the formation of a plug clot including fibrin matrix, blood-borne cells and cytokines/growth factors. Creating environments conducive to tissue repair, the haemoderivatives are commonly proposed for the treatment of hard-to-heal wounds. Here, we explored in vitro the intrinsic regenerative potentialities of a leucocyte- and platelet-rich fibrin product, known as CPL-MB, defining the stemness grade of cells sprouting from the haemoderivative...
January 5, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29314065/platelet-rich-fibrin-combined-with-a-porous-hydroxyapatite-graft-for-the-treatment-of-3-wall-intrabony-defects-in-chronic-periodontitis-a-randomized-controlled-clinical-trial
#5
A R Pradeep, Pavan Bajaj, Nishanth S Rao, Esha Agarwal, Savitha B Naik
BACKGROUND: Porous hydroxyapatite (HA) bone grafting material has been used to fill periodontal intrabony defects (IBDs), resulting in clinically acceptable responses. Platelet-rich fibrin (PRF) is a leukocyte and platelet preparation that concentrates various polypeptide growth factors and, therefore, has the potential for use as regenerative treatment for periodontal defects. The present study aims to explore the clinical and radiographic effectiveness of autologous PRF versus PRF + HA in treatment of IBDs in patients with chronic periodontitis...
December 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/29310377/fat-grafting-for-resurfacing-an-exposed-implant-in-lower-extremity-a-case-report
#6
Yun-Nan Lin, Chieh-Han Chuang, Shih-Hao Huang, Shu-Hung Huang, Tsai-Ming Lin, I-Wen Lin, Sin-Daw Lin, Yur-Ren Kuo
RATIONALE: Although numerous reconstruction protocols have been reported for lower leg trauma, those for distal leg trauma remain few. We present the case of a woman with an implant exposure wound, who was successfully treated through fat grafting, without major flap surgery. PATIENT CONCERNS: An 83-year-old woman with an exposed implant in lower extremity received reconstruction surgery once and the surgery failed. She refused additional major surgery and negative pressure wound therapy...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29303387/autologous-fat-graft-in-irradiated-orbit-postenucleation-for-retinoblastoma
#7
Francesco Klinger, Luca Maione, Valeriano Vinci, Andrea Lisa, Federico Barbera, Laura Balia, Fabio Caviggioli, Alessandra Di Maria
Autologous fat grafting has been extensively and successfully adopted in a number of pathologic conditions in regenerative surgery especially on irradiated fields in order to improve pain symptoms and tissue trophism promoting scar release. In the present study, we report our experience with autologous fat grafting for the treatment of postirradiation fibrosis and pain on three consecutive patients undergoing orbital enucleation for locally advanced retinoblastoma (RB) and subsequent radiotherapy. We selected three consecutive patients who underwent orbital enucleation for locally advanced RB and subsequent local radiotherapy showing severe reduction in orbital volume and eyelid length and retraction due to fibrosis, spontaneous local pain exacerbated after digital pressure with no possibility to place an ocular implant...
January 5, 2018: Orbit
https://www.readbyqxmd.com/read/29299496/effects-of-human-adipose-derived-stem-cells-and-platelet-rich-plasma-on-healing-response-of-canine-alveolar-surgical-bone-defects
#8
Reihaneh Shafieian, Maryam Moghaddam Matin, Amin Rahpeyma, Alireza Fazel, Hamideh Salari Sedigh, Ariane Sadr Nabavi, Halimeh Hassanzadeh, Alireza Ebrahimzadeh-Bideskan
Background: Due to the known disadvantages of autologous bone grafting, tissue engineering approaches have become an attractive method for ridge augmentation in dentistry. To the best of our knowledge, this is the first study conducted to evaluate the potential therapeutic capacity of PRP-assisted hADSCs seeded on HA/TCP granules on regenerative healing response of canine alveolar surgical bone defects. This could offer a great advantage to alternative approaches of bone tissue healing-induced therapies at clinically chair-side procedures...
November 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29284167/regenerative-medicine-cardiac-cell-therapy-adult-somatic-progenitor-cells
#9
Timo Z Nazari-Shafti, Jörg Kempfert, Volkmar Falk, Wilhelm Röll, Christof Stamm
Preclinical data suggested that somatic stem or progenitor cells derived induce and/or support endogenous repair mechanisms of the myocardium. Such cell populations were clearly shown to promote neovascularization in postischemic tissue, and some evidence also indicated transdifferentiation into cardiomyocytes. In the clinical setting, however, many attempts to regenerate damaged myocardium with a variety of autologous and allogeneic somatic progenitors have failed to generate the expected therapeutic efficacy...
December 28, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29280323/biomimetic-tissue-engineered-bone-substitutes-for-maxillofacial-and-craniofacial-repair-the-potential-of-cell-sheet-technologies
#10
REVIEW
Fabien Kawecki, William P Clafshenkel, Michel Fortin, François A Auger, Julie Fradette
Maxillofacial defects are complex lesions stemming from various etiologies: accidental, congenital, pathological, or surgical. A bone graft may be required when the normal regenerative capacity of the bone is exceeded or insufficient. Surgeons have many options available for bone grafting including the "gold standard" autologous bone graft. However, this approach is not without drawbacks such as the morbidity associated with harvesting bone from a donor site, pain, infection, or a poor quantity and quality of bone in some patient populations...
December 27, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29259721/characterization-of-polydactyly-derived-chondrocyte-sheets-versus-adult-chondrocyte-sheets-for-articular-cartilage-repair
#11
Miki Maehara, Masato Sato, Eriko Toyoda, Takumi Takahashi, Eri Okada, Tomomi Kotoku, Masahiko Watanabe
Background: We previously conducted a first-in-human clinical study of articular cartilage repair using autologous chondrocyte sheets and confirmed the regeneration of hyaline-like cartilage in all eight patients. However, regenerative medicine with autologous chondrocyte sheets requires the harvesting of tissue from healthy regions, and the quality of this tissue varies between individuals. To overcome such limitations, allogeneic transplantation is a promising treatment method, particularly for articular cartilage repair...
2017: Inflammation and Regeneration
https://www.readbyqxmd.com/read/29258610/differentiation-of-nonhuman-primate-pluripotent-stem-cells-into-functional-keratinocytes
#12
Sophie Domingues, Yolande Masson, Aurore Marteyn, Jennifer Allouche, Anselme L Perrier, Marc Peschanski, Cecile Martinat, Christine Baldeschi, Gilles Lemaître
BACKGROUND: Epidermal grafting using cells derived from pluripotent stem cells will change the face of this side of regenerative cutaneous medicine. To date, the safety of the graft would be the major unmet deal in order to implement long-term skin grafting. In this context, experiments on large animals appear unavoidable to assess this question and possible rejection. Cellular tools for large animal models should be constructed. METHODS: In this study, we generated monkey pluripotent stem cell-derived keratinocytes and evaluated their capacities to reconstruct an epidermis, in vitro as well as in vivo...
December 19, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29243770/adipose-derived-stem-cells-in-articular-cartilage-regeneration-current-concepts-and-optimization-strategies
#13
REVIEW
Xingjian Gu, Caixin Li, Feng Yin, Guanghua Yang
Knee osteoarthritis (KOA) is the most common progressive joint disorder associated with disability in the world. As a chronic disease, KOA has multifactorial etiology. However, the poor self-healing ability of the articular cartilage due to its intrinsic tissue hypovascularity and hypocellularity seems to be directly incriminated in the physio-pathological mechanism of KOA. While conventional therapies result in unfavorable clinical outcomes, regenerative cell therapies have shown great promise in articular cartilage regeneration...
December 15, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/29243283/intra-articular-injection-of-autologous-adipose-derived-mesenchymal-stem-cells-in-treatment-of-knee-osteoarthritis
#14
Duško Spasovski, Vesna Spasovski, Zoran Baščarević, Maja Stojiljković, Miša Vreća, Marina Andjelković, Sonja Pavlović
BACKGROUND: Osteoarthritis (OA) is a chronic degenerative joint disease, considered to be the fourth leading cause of disability and the second cause of inability to work in men. Recently, adipose derived mesenchymal stem cells (AD-MSCs) came in focus of regenerative medicine as promising tool for treatment of OA. It has been shown that administration of stem cells into impaired joints results in pain relief and improves quality of life, accompanied with restoration of hyaline articular cartilage...
December 15, 2017: Journal of Gene Medicine
https://www.readbyqxmd.com/read/29243192/a-novel-personalized-3d-injectable-protein-scaffold-for-regenerative-medicine
#15
Eduardo Anitua, Ander Pino, María Troya, Pedro Jaén, Gorka Orive
Biomaterials should be designed to closely resemble the characteristics and functions of the native extracellular matrix to provide mechanical support and signals to direct biological events. Here we have developed a novel injectable plasma rich in growth factors (PRGF-Endoret)-based formulation that combines a thermal-denaturation step of plasma with an autologous fibrin crosslinking. Rheological and mechanical properties were evaluated. Additionally, the microstructure and biological capacity of the biomaterial was also characterized...
December 14, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29243171/ipscs-based-generation-of-vascular-cells-reprogramming-approaches-and-applications
#16
REVIEW
Diana Klein
Recent advances in the field of induced pluripotent stem cells (iPSCs) research have opened a new avenue for stem cell-based generation of vascular cells. Based on their growth and differentiation potential, human iPSCs constitute a well-characterized, generally unlimited cell source for the mass generation of lineage- and patient-specific vascular cells without any ethical concerns. Human iPSCs-derived vascular cells are perfectly suited for vascular disease modeling studies because patient-derived iPSCs possess the disease-causing mutation, which might be decisive for full expression of the disease phenotype...
December 14, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29241962/engineering-and-repair-of-diaphragm-using-biosheet-a-collagenous-connective-tissue-membrane-in-rabbits
#17
Keisuke Suzuki, Makoto Komura, Kan Terawaki, Tetsuro Kodaka, Takumi Gohara, Hiroko Komura, Yasuhide Nakayama
BACKGROUND: Prosthetic patches can be used to repair large congenital diaphragmatic hernia defects but may be associated with infection, recurrence, and thoracic deformity. Biosheets (collagenous connective tissue membranes) have been used in regenerative medicine. We evaluated the efficacy of Biosheets in a rabbit model. METHODS: Biosheets were prepared by embedding silicone plates in dorsal subcutaneous pouches of rabbits for 4weeks. In group 1 (n=11), Gore-Tex® sheets (1...
November 21, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29240523/injectable-platelet-rich-fibrin-using-the-low-speed-centrifugation-concept-improves-cartilage-regeneration-when-compared-to-platelet-rich-plasma
#18
Mustafa Abd El Raouf, Xuzhu Wang, Si Miusi, Jihua Chai, Abdel Basit Mohamed AbdEl-Aal, Mekkawy M Nefissa Helmy, Shahram Ghanaati, Joseph Choukroun, Elisa Choukroun, Yufeng Zhang, Richard J Miron
The aim of the present study was to evaluate the effect of injectable platelet-rich fibrin (i-PRF) on cultivated chondrocytes and osteochondral regeneration in critical-sized osteochondral defect of the rabbit's knee in comparison to autologous platelet-rich plasma (PRP). Chondrocytes were first investigated for their ability to proliferate and differentiate in response to PRP and i-PRF. Thereafter, full-thickness critical-sized osteochondral defects 5 mm in diameter and 5 mm in depth were created in the knee joint of 12 adult female New Zealand White rabbits...
December 14, 2017: Platelets
https://www.readbyqxmd.com/read/29240205/regenerative-treatment-of-periodontal-intrabony-defects-using-autologous-dental-pulp-stem-cells-a-1-year-follow-up-case-series
#19
Mario Aimetti, Francesco Ferrarotti, Mara Noemi Gamba, Marta Giraudi, Federica Romano
The present case series aimed to explore the potential clinical benefits of the application of dental pulp stem cells (DPSCs) in the regenerative treatment of deep intrabony defects. A total of 11 isolated intrabony defects in 11 chronic periodontitis patients were accessed with a minimally invasive flap and filled with DPSCs loaded on a collagen sponge. A tooth requiring extraction for impaction or malpositioning was used as an autologous source for DPSCs. An average clinical attachment level gain of 4.7 ± 1...
January 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29234120/oral-epithelial-cell-sheets-engraftment-for-esophageal-strictures-after-endoscopic-submucosal-dissection-of-squamous-cell-carcinoma-and-airplane-transportation
#20
Naoyuki Yamaguchi, Hajime Isomoto, Shinichiro Kobayashi, Nobuo Kanai, Kengo Kanetaka, Yusuke Sakai, Yoshiyuki Kasai, Ryo Takagi, Takeshi Ohki, Hiroko Fukuda, Tsutomu Kanda, Kazuhiro Nagai, Izumi Asahina, Kazuhiko Nakao, Masayuki Yamato, Teruo Okano, Susumu Eguchi
Endoscopic submucosal dissection (ESD) permits en bloc removal of superficial oesophageal squamous cell carcinoma (ESCC). However, post-procedure stricture is common after ESD for widespread tumours, and multiple endoscopic balloon dilation (EBD) procedures are required. We aimed to evaluate the safety and effectiveness of endoscopic transplantation of tissue-engineered autologous oral mucosal epithelial cell sheets that had been transported by air over a distance of 1200 km in controlling postprocedural oesophageal stricture...
December 12, 2017: Scientific Reports
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