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Autologous Regenerative

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https://www.readbyqxmd.com/read/28515001/in-vitro-extracellular-matrix-accumulation-of-nasal-and-articular-chondrocytes-for-intervertebral-disc-repair
#1
S Vedicherla, C T Buckley
Chondrocyte based regenerative therapies for intervertebral disc repair such as Autologous Disc Cell Transplantation (ADCT, CODON) and allogeneic juvenile chondrocyte implantation (NuQu(®), ISTO Technologies) have demonstrated good outcomes in clinical trials. However concerns remain with the supply demand reconciliation and issues surrounding immunoreactivity which exist for allogeneic-type technologies. The use of stem cells is challenging due to high growth factor requirements, regulatory barriers and differentiation towards a stable phenotype...
May 8, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28503549/learning-from-mother-nature-innovative-tools-to-boost-endogenous-repair-of-critical-or-difficult-to-heal-large-tissue-defects
#2
REVIEW
Ranieri Cancedda, Sveva Bollini, Fiorella Descalzi, Maddalena Mastrogiacomo, Roberta Tasso
For repair of chronic or difficult-to-heal tissue lesions and defects, major constraints exist to a broad application of cell therapy and tissue engineering approaches, i.e., transplantation of "ex vivo" expanded autologous stem/progenitor cells, alone or associated with carrier biomaterials. To enable a large number of patients to benefit, new strategies should be considered. One of the main goals of contemporary regenerative medicine is to develop new regenerative therapies, inspired from Mother Nature. In all injured tissues, when platelets are activated by tissue contact, their released factors promote innate immune cell migration to the wound site...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28502796/in-vivo-reprogramming-for-heart-regeneration-a-glance-at-efficiency-environmental-impacts-challenges-and-future-directions
#3
REVIEW
Behnam Ebrahimi
Replacing dying or diseased cells of a tissue with new ones that are converted from patient's own cells is an attractive strategy in regenerative medicine. In vivo reprogramming is a novel strategy that can circumvent the hurdles of autologous/allogeneic cell injection therapies. Interestingly, studies have demonstrated that direct injection of cardiac transcription factors or specific miRNAs into the infarct border zone of murine hearts following myocardial infarction converts resident cardiac fibroblasts into functional cardiomyocytes...
May 11, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28498891/adipose-tissue-depots-and-inflammation-effects-on-plasticity-and-resident-mesenchymal-stem-cell-function
#4
Lina Badimon, Judit Cubedo
Adipose tissue (AT) is a highly heterogeneous organ. Beside the heterogeneity associated to different tissue types (white, brown and "brite") and its location-related heterogeneity (subcutaneous, visceral, epicardial, and perivascular, etc), AT composition, structure and functionality is highly dependent on individual-associated factors. As such, the pro-inflammatory state associated to the presence of obesity and other cardiovascular risk factors directly affects AT metabolism. Furthermore, the adipose-derived stem cells (ASCs) that reside in the stromal vascular fraction (SVF) of AT, besides being responsible for most of the plasticity attributed to AT, is an additional source of heterogeneity...
May 11, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28491241/fifteen-years-of-bone-marrow-mononuclear-cell-therapy-in-acute-myocardial-infarction
#5
REVIEW
Miruna Mihaela Micheu, Maria Dorobantu
In spite of modern treatment, acute myocardial infarction (AMI) still carries significant morbidity and mortality worldwide. Even though standard of care therapy improves symptoms and also long-term prognosis of patients with AMI, it does not solve the critical issue, specifically the permanent damage of cardiomyocytes. As a result, a complex process occurs, namely cardiac remodeling, which leads to alterations in cardiac size, shape and function. This is what has driven the quest for unconventional therapeutic strategies aiming to regenerate the injured cardiac and vascular tissue...
April 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28486783/extracorporeal-shock-wave-therapy-in-situ-a-novel-approach-to-obtain-an-activated-fat-graft
#6
E Priglinger, M Sandhofer, A Peterbauer-Scherb, C Wurzer, C Steffenhagen, J Maier, W Holnthoner, S Nürnberger, H Redl, S Wolbank
One of the mainstays of facial rejuvenation strategies is volume restoration which can be achieved by autologous fat grafting. In our novel approach, we treated the adipose tissue harvest site with extracorporeal shock wave therapy (ESWT) in order to improve the quality of the regenerative cells in situ. The latter was demonstrated by characterizing the cells of the stromal vascular fraction (SVF) in the harvested liposuction material regarding cell yield, ATP content, proliferative capacity, surface marker profile, differentiation potential and secretory protein profile...
May 9, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28486410/diverging-concepts-and-novel-perspectives-in-regenerative-medicine
#7
REVIEW
Maurizio Muraca, Martina Piccoli, Chiara Franzin, Anna Maria Tolomeo, Marcin Jurga, Michela Pozzobon, Giorgio Perilongo
Regenerative medicine has rapidly evolved, due to progress in cell and molecular biology allowing the isolation, characterization, expansion, and engineering of cells as therapeutic tools. Despite past limited success in the clinical translation of several promising preclinical results, this novel field is now entering a phase of renewed confidence and productivity, marked by the commercialization of the first cell therapy products. Ongoing issues in the field include the use of pluripotent vs. somatic and of allogenic vs...
May 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28485084/electrospun-silk-fibroin-based-neural-scaffold-for-bridging-a-long-sciatic-nerve-gap-in-dogs
#8
Chengbin Xue, Hui Zhu, Dehua Tan, Hechun Ren, Xiaokun Gu, Yahong Zhao, Ping Zhang, Zhichao Sun, Yumin Yang, Jianhui Gu, Yun Gu, Xiaosong Gu
Silk fibroin (SF) derived silkworms represent a type of highly biocompatible biomaterial for tissue engineering. We have previously investigated biocompatibility of silk fibroin with neural cells isolated from central nervous system or peripheral nerve system in vitro, and also developed a SF-based nerve graft conduit (NGC) or tissue engineered nerve grafts (TENGs) by introducing bone marrow mesenchymal stem cells (BMSCs), as support cells, into SF-based scaffold and evaluated the outcomes of peripheral nerve repair in rat model...
May 9, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28485078/tubular-open-porous-%C3%AE-tcp-plcl-scaffolds-as-guiding-structure-for-segmental-bone-defect-regeneration-in-a-novel-sheep-model
#9
Anne-Marie Pobloth, Hanna Schell, Ansgar Petersen, Katleen Beierlein, Christian Kleber, Katharina Schmidt-Bleek, Georg N Duda
Large segmental bone defect reconstruction with sufficient functional restoration is one of the most demanding challenges in orthopedic surgery. Available regenerative treatment options, as the vascularized bone graft transfer, the Masquelet technique or the Ilizarov distraction osteogenesis, are associated with specific indications and distinct limitations. As an alternative, a hollow cylindrical ceramic-polymer composite scaffold (beta-tricalcium phosphate and poly-lactid co-ε- caprolactone), facilitating a strong surface guiding effect for tissue ingrowth (group 1; n = 6) was investigated here...
May 8, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28473335/evaluation-of-autologous-skeletal-muscle-derived-factors-for-regenerative-medicine-applications
#10
M Yoshikawa, T Nakasa, M Ishikawa, N Adachi, M Ochi
OBJECTIVES: Regenerative medicine is an emerging field aimed at the repair and regeneration of various tissues. To this end, cytokines (CKs), growth factors (GFs), and stem/progenitor cells have been applied in this field. However, obtaining and preparing these candidates requires invasive, costly, and time-consuming procedures. We hypothesised that skeletal muscle could be a favorable candidate tissue for the concept of a point-of-care approach. The purpose of this study was to characterize and confirm the biological potential of skeletal muscle supernatant for use in regenerative medicine...
May 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28471303/bone-marrow-derived-mesenchymal-stem-cells-as-autologous-therapy-in-dogs-with-naturally-occurring-intervertebral-disc-disease-feasibility-safety-and-preliminary-results
#11
Frank Steffen, Lucas Smolders, Anne Roentgen, Alessandro Bertolo, Jivko Stoyanov
The intradiscal application of mesenchymal stem cells (MSC) is considered a promising strategy for intervertebral disc (IVD) regeneration. Although many studies have been published, the feasibility and regenerative effects of intradiscal MSC application has not been evaluated in an animal model suffering from naturally occurring degenerative disc disease. Six German Shepherd Dogs suffering from naturally occurring degenerative IVD disease were included. Autologous MSC were isolated from bone marrow (iliac crest) and cultured for 3 weeks...
May 4, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28469981/cellular-events-and-behaviors-after-grafting-of-stratified-squamous-epithelial-cell-sheet-onto-a-hydrated-collagen-gel
#12
Yoshiyuki Kasai, Naoya Takeda, Shinichiro Kobayashi, Ryo Takagi, Masayuki Yamato
Autologous stratified squamous epithelial cell sheets have been successfully used to treat epithelial defects in tissues such as the cornea and the esophagus. However, the regenerative cellular events occurring in the grafted epithelial cells are unclear in the early stages of wound healing. In this study, we created an in vitro grafting model using cultured normal human epidermal keratinocyte (NHEK) sheets and a type I collagen gel to investigate the cellular processes that occur within the grafted cell sheet...
May 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28469646/neural-grafting-for-parkinson-s-disease-challenges-and-prospects
#13
REVIEW
Thomas B Stoker, Nicholas F Blair, Roger A Barker
Parkinson's disease (PD) is a neurodegenerative condition which causes a characteristic movement disorder secondary to loss of dopaminergic neurons in the substanitia nigra. The motor disorder responds well to dopamine-replacement therapies, though these result in significant adverse effects due to non-physiological release of dopamine in the striatum, and off-target effects. Cell-based regenerative treatments offer a potential means for targeted replacement of dopamine, in a physiological manner. Dopaminergic neurons for cell-based therapies can be obtained from several sources...
March 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28462460/combined-administration-of-ascs-and-bmp-12-promotes-an-m2-macrophage-phenotype-and-enhances-tendon-healing
#14
Richard H Gelberman, Stephen W Linderman, Rohith Jayaram, Anna D Dikina, Shelly Sakiyama-Elbert, Eben Alsberg, Stavros Thomopoulos, Hua Shen
BACKGROUND: Outcomes after intrasynovial tendon repair are highly variable. An intense inflammatory cascade followed by a delayed healing response can cause adhesion formation and repair-site failure that severely impair the function of repaired digits. No effective remedies exist to fully address these issues. Cell- and growth factor-based therapies have been shown to modulate inflammation and improve cell proliferation and matrix synthesis and therefore are promising treatment approaches for intrasynovial tendon repair...
May 1, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28462179/use-of-platelet-rich-plasma-in-the-management-of-periodontal-intra-osseous-defects-a-clinical-study
#15
Md Jalaluddin, Dhirendra K Singh, Ipsita Jayanti, Prasad Kulkarni, Mohamed Faizuddin, Fouzia Tarannum
BACKGROUND: Periodontal disease is characterized by the presence of gingival inflammation, periodontal pocket formation, loss of connective tissue attachment, and alveolar bone around the affected tooth. Alveolar bone support and attachment apparatus regeneration has been achieved through various processes and have given elusive results. An expedient and cost-effective approach to obtain autologous platelet-derived growth factor (PDGF) and transforming growth factor (TGF)-β is the use of platelet-rich plasma (PRP)...
March 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28454682/the-adipose-tissue-derived-stromal-vascular-fraction-cells-from-lipedema-patients-are-they-different
#16
Eleni Priglinger, Christoph Wurzer, Carolin Steffenhagen, Julia Maier, Victoria Hofer, Anja Peterbauer, Sylvia Nuernberger, Heinz Redl, Susanne Wolbank, Matthias Sandhofer
BACKGROUND AIMS: Lipedema is a hormone-related disease of women characterized by enlargement of the extremities caused by subcutaneous deposition of adipose tissue. In healthy patients application of autologous adipose tissue-derived cells has shown great potential in several clinical studies for engrafting of soft tissue reconstruction in recent decades. The majority of these studies have used the stromal vascular fraction (SVF), a heterogeneous cell population containing adipose-derived stromal/stem cells (ASC), among others...
April 25, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28447876/intrinsic-mesenchymal-stem-cell-dysfunction-in-diabetes-mellitus-implications-for-autologous-cell-therapy
#17
Mari van de Vyver
Mesenchymal stem cells derived from bone marrow (BM-MSCs) have multifunctional properties that have made them a promising therapeutic agent for many regenerative, anti-inflammatory, and autoimmune applications. Under chronic pathological conditions, however, BM-MSCs can become functionally compromised due to long-term exposure to changes in the systemic and localized stem cell niche microenvironments. In addition to the fact that functionally compromised BM-MSCs may be therapeutically ineffective, impairment of BM-MSCs is potentially a contributing factor to disease progression and development of comorbidities...
May 18, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28445085/regenerative-surgery-in-the-treatment-of-cosmetic-defect-following-nuss-procedure
#18
Flavio Facchini, Marco Ghionzoli, Alessandra Martin, Sara Tanini, Sara Ugolini, Roberto Lo Piccolo, Antonio Messineo
BACKGROUND: In the past decade, the minimally invasive repair of pectus excavatum (MIRPE) has become the treatment of choice for severe pectus excavatum (PE), proving acceptable to excellent cosmetic results. Recently, autologous fat grafting (FG) has been identified in aesthetic and reconstructive surgery to ideally handle volume and contour defects. We report our experience about FG in the treatment of residual minor defects after MIRPE and a proposal for a new indication of this largely adopted technique...
April 26, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28439998/the-effects-of-chosen-plant-extracts-and-compounds-on-mesenchymal-stem-cells-a-bridge-between-molecular-nutrition-and-regenerative-medicine-concise-review
#19
REVIEW
Katarzyna Kornicka, Ievgeniia Kocherova, Krzysztof Marycz
Mesenchymal stem cells (MSC) stand as a promising tool in regenerative medicine because of their high therapeutic potential in treatment of degenerative, metabolic and other types of diseases. The cellular therapies involving MSCs include their isolation mainly from the bone marrow, adipose tissue or umbilical cord and in vitro expansion for further autologous or allogeneic transplantation. Recent studies revealed, that bioactive compounds, naturally occurring in seaweeds, herbs, fruits and vegetables, possess the ability to modulate self-renewal and differentiation potential of adult stem cells, targeting a broad range of intracellular signal transduction pathways...
April 25, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28435060/the-multiple-therapeutic-applications-of-mirnas-for-bone-regenerative-medicine
#20
REVIEW
J C Scimeca, Elise Verron
With the aging of the general population, there is an increasing need for bone defect repair, prompting the development of reliable alternatives to autologous bone grafting, without the usually associated major drawbacks (i.e., limited volume and severe postoperative pain). Given the crucial role that miRNAs appear to have in bone tissue physiopathology, exploring their potential has recently garnered increased interest. In this review, we first describe the involvement of miRNAs in bone metabolism, and then focus on their potential therapeutic applications (as bone biomarkers and molecular targets)...
April 20, 2017: Drug Discovery Today
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