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Regenerative therapy

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https://www.readbyqxmd.com/read/29355413/treatment-of-carious-lesions-using-self-assembling-peptides
#1
M Alkilzy, R M Santamaria, J Schmoeckel, C H Splieth
Modern approaches in caries treatment involve lesion management without tissue removal. Regenerative medicine focuses on replacing damaged tissues with biologically similar tissues. This article discusses the scientific evidence and clinical results for self-assembling peptides in modern caries management. The biomimetic remineralization promoted by self-assembling peptide P11-4 has been proven in vitro as an effective therapy for initial caries. P11-4 was rationally designed to promote formation of hydroxyapatite on its surface...
February 2018: Advances in Dental Research
https://www.readbyqxmd.com/read/29352743/co-transplantation-of-adipose-tissue-derived-stromal-cells-and-olfactory-ensheathing-cells-for-spinal-cord-injury-repair
#2
Eduardo D Gomes, Sofia S Mendes, Rita C Assunção-Silva, Fábio G Teixeira, Ana O Pires, Sandra I Anjo, Bruno Manadas, Hugo Leite-Almeida, Jeffrey M Gimble, Nuno Sousa, Angelo C Lepore, Nuno A Silva, António J Salgado
Patients suffering from Spinal Cord Injury (SCI) still have a dismal prognosis. Despite all the efforts developed in this area, currently there are no effective treatments. Therefore, cell therapies have been proposed as a viable alternative to the current treatments employed. Adipose tissue-derived Stem Cells (ASCs) and Olfactory Ensheathing Cells (OECs) have been used with promising results in different models of SCI, namely due to the regenerative properties of the secretome of the first, and the guidance capability of the second...
January 20, 2018: Stem Cells
https://www.readbyqxmd.com/read/29352188/efficient-scalable-production-of-therapeutic-microvesicles-derived-from-human-mesenchymal-stem-cells
#3
Jae Min Cha, Eun Kyoung Shin, Ji Hee Sung, Gyeong Joon Moon, Eun Hee Kim, Yeon Hee Cho, Hyung Dal Park, Hojae Bae, Jinseok Kim, Oh Young Bang
Microvesicles (MVs) released by cells are involved in a multitude of physiological events as important mediators of intercellular communication. MVs derived from mesenchymal stem cells (MSCs) contain various paracrine factors from the cells that primarily contribute to their therapeutic efficacy observed in numerous clinical trials. As nano-sized and bi-lipid layered vesicles retaining therapeutic potency equivalent to that of MSCs, MSC-derived MVs have been in focus as ideal medicinal candidates for regenerative medicine, and are preferred over MSC infusion therapy with their improved safety profiles...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348578/a-matter-of-life-and-death-stem-cell-survival-in-tissue-regeneration-and-tumour-formation
#4
REVIEW
Despina Soteriou, Yaron Fuchs
In recent years, great strides have been made in our understanding of how stem cells (SCs) govern tissue homeostasis and regeneration. The inherent longevity of SCs raises the possibility that the unique protective mechanisms in these cells might also be involved in tumorigenesis. In this Opinion article, we discuss how SCs are protected throughout their lifespan, focusing on quiescent behaviour, DNA damage response and programmed cell death. We briefly examine the roles of adult SCs and progenitors in tissue repair and tumorigenesis and explore how signals released from dying or dormant cells influence the function of healthy or aberrant SCs...
January 19, 2018: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/29348252/translational-research-in-cardiovascular-repair-a-call-for-a-paradigm-shift
#5
REVIEW
Steven A J Chamuleau, Mira van der Naald, Andreu M Climent, Adriaan O Kraaijeveld, Kim E Wever, Dirk J Duncker, Francisco Fernández-Avilés, Roberto Bolli
The international consortium TACTICS (Transnational Alliance for Regenerative Therapies in Cardiovascular Syndromes) has recently addressed key priorities in the field of cell-based therapy for cardiac repair, identifying the efficacy of translational research as one of the main challenges to ultimately improve the quality of life of patients with ischemic disease. Much of the controversy and confusion surrounding cardiac regenerative therapy stems from insufficient rigor in the conduct of preclinical studies, and there is an increasing recognition of a number of problems that undermine its quality that may contribute to translational failure...
January 19, 2018: Circulation Research
https://www.readbyqxmd.com/read/29348246/global-overview-of-the-transnational-alliance-for-regenerative-therapies-in-cardiovascular-syndromes-tactics-recommendations-a-comprehensive-series-of-challenges-and-priorities-of-cardiovascular-regenerative-medicine
#6
EDITORIAL
Francisco Fernández-Avilés, Ricardo Sanz-Ruiz, Andreu M Climent, Lina Badimon, Roberto Bolli, Dominique Charron, Valentin Fuster, Stefan Janssens, Jens Kastrup, Hyo-Soo Kim, Thomas F Lüscher, John F Martin, Philippe Menasché, Fausto J Pinto, Robert D Simari, Gregg W Stone, Andre Terzic, James T Willerson, Joseph C Wu
No abstract text is available yet for this article.
January 19, 2018: Circulation Research
https://www.readbyqxmd.com/read/29347847/combining-cell-and-gene-therapy-to-advance-cardiac-regeneration
#7
Pina Marotta, Eleonora Cianflone, Iolanda Aquila, Carla Vicinanza, Mariangela Scalise, Fabiola Marino, Teresa Mancuso, Michele Torella, Ciro Indolfi, Daniele Torella
The characterization of multipotent endogenous cardiac stem cells (eCSCs) and the breakthroughs of somatic cell reprogramming to boost cardiomyocyte replacement have fostered the prospect of achieving functional heart repair/regeneration. Areas covered: Allogeneic CSC therapy through its paracrine stimulation of the endogenous resident reparative/regenerative process produces functional meaningful myocardial regeneration in pre-clinical porcine myocardial infarction models and is currently tested in the first-in-man human trial...
January 19, 2018: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29346333/platelet-rich-plasma-new-insights-for-cutaneous-wound-healing-management
#8
REVIEW
Deborah Chicharro-Alcántara, Mónica Rubio-Zaragoza, Elena Damiá-Giménez, José M Carrillo-Poveda, Belén Cuervo-Serrato, Pau Peláez-Gorrea, Joaquín J Sopena-Juncosa
The overall increase of chronic degenerative diseases associated with ageing makes wound care a tremendous socioeconomic burden. Thus, there is a growing need to develop novel wound healing therapies to improve cutaneous wound healing. The use of regenerative therapies is becoming increasingly popular due to the low-invasive procedures needed to apply them. Platelet-rich plasma (PRP) is gaining interest due to its potential to stimulate and accelerate the wound healing process. The cytokines and growth factors forming PRP play a crucial role in the healing process...
January 18, 2018: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/29345353/hipop-mesenchymal-population-has-high-potential-for-repairing-injured-peripheral-nerves
#9
Yukako Yamauchi, Shousaku Itoh, Haruna Naruse, Yuki Itoh, Makoto Abe, Takumi Kagioka, Mikako Hayashi
Bone marrow stromal cells (BMSCs) are reportedly a heterogeneous population of mesenchymal stem cells (MSCs). Recently, we developed a simple strategy for the enrichment of MSCs with the capacity to differentiate into osteoblasts, chondrocytes, and adipocytes. On transplantation, the progenitor-enriched fractions can regenerate the bone with multiple lineages of donor origin and are thus called "highly purified osteoprogenitors" (HipOPs). Although our previous studies have demonstrated that HipOPs are enriched with MSCs and exhibit a higher potential to differentiate into osteoblasts, adipocytes, and chondrocytes than BMSCs, their potential to differentiate into neural cells has not been clarified...
January 18, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29345093/rapid-fabrication-of-detachable-three-dimensional-tissues-by-layering-of-cell-sheets-with-heating-centrifuge
#10
Yuji Haraguchi, Yuki Kagawa, Akiyuki Hasegawa, Hirotsugu Kubo, Tatsuya Shimizu
Confluent cultured cells on a temperature-responsive culture dish can be harvested as an intact cell sheet by decreasing temperature below 32°C. A three-dimensional (3-D) tissue can be fabricated by the layering of cell sheets. A resulting 3-D multi-layered cell sheet-tissue on a temperature-responsive culture dish can be also harvested without any damage by only temperature decreasing. For shortening the fabrication time of the 3-D multi-layered constructs, we attempted to layer cell sheets on a temperature-responsive culture dish with centrifugation...
January 18, 2018: Biotechnology Progress
https://www.readbyqxmd.com/read/29344013/isbt-128-standard-for-coding-medical-products-of-human-origin
#11
REVIEW
Paul Ashford, Matthew Delgado
Background: ISBT 128 is an international standard for the terminology, coding, labeling, and identification of medical products of human origin (MPHO). Full implementation of ISBT 128 improves traceability, transparency, vigilance and surveillance, and interoperability. Methods: ICCBBA maintains the ISBT 128 standard through the activities of a network of expert volunteers, including representatives from professional scientific societies, governments and users, to standardize and maintain MPHO identification...
November 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/29343270/isolation-and-characterization-of-olfactory-ecto-mesenchymal-stem-cells-from-eight-mammalian-genera
#12
Antoine D Veron, Cécile Bienboire-Frosini, François Feron, Elisa Codecasa, Arnaud Deveze, Dany Royer, Paul Watelet, Pietro Asproni, Kevin Sadelli, Camille Chabaud, Jean-Claude Stamegna, Joël Fagot, Michel Khrestchatisky, Alessandro Cozzi, François S Roman, Patrick Pageat, Manuel Mengoli, Stéphane D Girard
BACKGROUND: Stem cell-based therapies are an attractive option to promote regeneration and repair defective tissues and organs. Thanks to their multipotency, high proliferation rate and the lack of major ethical limitations, "olfactory ecto-mesenchymal stem cells" (OE-MSCs) have been described as a promising candidate to treat a variety of damaged tissues. Easily accessible in the nasal cavity of most mammals, these cells are highly suitable for autologous cell-based therapies and do not face issues associated with other stem cells...
January 17, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29341292/amniotic-fluid-stem-cell-exosomes-therapeutic-perspective
#13
Francesca Beretti, Manuela Zavatti, Francesca Casciaro, Giuseppina Comitini, Fabrizia Franchi, Veronica Barbieri, Giovanni B La Sala, Tullia Maraldi
It is widely accepted that the therapeutic potential of stem cells can be largely mediated by paracrine factors, also included into exosomes. Thus, stem cell-derived exosomes represent a major therapeutic option in regenerative medicine avoiding, if compared to stem cells graft, abnormal differentiation and tumor formation. Exosomes derived from mesenchymal stem cells (MSC) induce damaged tissue repair, and can also exert immunomodulatory effects on the differentiation, activation and function of different lymphocytes...
January 16, 2018: BioFactors
https://www.readbyqxmd.com/read/29339111/stem-cells-for-urinary-incontinence-functional-differentiation-or-cytokine-effects
#14
REVIEW
Bradley C Gill, Daniel Z Sun, Margot S Damaser
Minimally-invasive stem cell therapy for stress urinary incontinence may provide an effective nonsurgical treatment for this common condition. Clinical trials of periurethral stem cell injection have been underway and basic science research has demonstrated the efficacy of both local and systemic stem cell therapies. Results differ as to whether stem cells have a therapeutic effect by differentiating into permanent, functional tissues, or whether they exert benefits through a transient presence and the secretion of regenerative factors...
January 12, 2018: Urology
https://www.readbyqxmd.com/read/29337123/mesenchymal-stem-cell-based-therapy-improves-lower-limb-movement-after-spinal-cord-ischemia-in-rats
#15
Shinya Takahashi, Kei Nakagawa, Mayumi Tomiyasu, Ayumu Nakashima, Keijiro Katayama, Takeshi Imura, Bagus Herlambang, Fumie Okubo, Koji Arihiro, Yumi Kawahara, Louis Yuge, Taijiro Sueda
BACKGROUND: Spinal cord ischemia is a devastating complication following thoracic and thoracoabdominal aortic surgery. In this study, we aimed to investigate the effects of mesenchymal stem cells (MSCs), which have regenerative capability and exert paracrine actions on damaged tissues, injected into rat models of spinal cord ischemia-reperfusion injury. METHODS: Forty-five Sprague-Dawley rats were divided into sham, phosphate-buffered saline (PBS), and MSC groups...
January 11, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29336522/continued-root-maturation-despite-persistent-apical-periodontitis-of-immature-permanent-teeth-after-failed-regenerative-endodontic-therapy
#16
Louis M Lin, Sahng G Kim, Gabriela Martin, Bill Kahler
Three immature permanent teeth with pulp necrosis and apical periodontitis were treated with regenerative endodontic therapy (RET), which included root canal disinfection with sodium hypochlorite irrigation, intra-canal medication with calcium hydroxide paste, 17% EDTA rinse, induction of periapical bleeding into the canal, collagen matrix and MTA coronal seal, and composite resin restoration of access cavities. After different periods of follow-up, it was observed that continued root maturation, especially apical closure occurred despite persistent apical periodontitis of immature permanent teeth after failed RET...
January 16, 2018: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29336267/stem-cells-derived-from-amniotic-fluid-a-potential-pluripotent-like-cell-source-for-cellular-therapy
#17
Thamil Selvee Ramasamy, Vithya Velaithan, Yelena Yeow, Fazlul H Sarkar
BACKGROUND: Regenerative medicine aims to provide therapeutic treatment for disease or injury, and cell-based therapy is a newer therapeutic approach that the conventional medicine cannot do. The ethical issues rose by the utilisation of human embryonic stem cells (hESC) and the limited capacity of adult stem cells, however, hinder the application of these stem cells in regenerative medicine. Recently, isolation and characterisation of c-kit positive cells from human amniotic fluid, which possess intermediate characteristics between hESCs and adult stem cells, provided a new approach towards realising their promise for fetal and adult regenerative medicine...
January 14, 2018: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29335068/imprinted-gene-zinc-finger-protein-127-is-a-novel-regulator-of-master-pluripotency-transcription-factor-oct4
#18
Yoo-Wook Kwon, Hyo-Suk Ahn, Joo-Young Park, Han-Mo Yang, Hyun-Jai Cho, Hyo-Soo Kim
Induced pluripotent stem cells (iPSCs) show great promise for replacing current stem cell therapies in the field of regenerative medicine. However, the original method for cellular reprogramming, involving four exogenous transcription factors, is characterized by low efficiency. Here, we focused on using epigenetic modifications to enhance the reprogramming efficiency. We hypothesized that there would be a new reprogramming factor involved in DNA demethylation, acting on the promoters of pluripotency-related genes...
January 16, 2018: BMB Reports
https://www.readbyqxmd.com/read/29334800/research-progress-of-self-assembled-nanogel-and-hybrid-hydrogel-systems-based-on-pullulan-derivatives
#19
Tao Zhang, Ruyi Yang, Shengnan Yang, Jibin Guan, Dong Zhang, Yan Ma, Hongzhuo Liu
Polymer nano-sized hydrogels (nanogels) as drug delivery carriers have been investigated over the last few decades. Pullulan, a nontoxic and nonimmunogenic hydrophilic polysaccharide derived from fermentation of black yeast like Aureobasidium pullulans with great biocompatibility and biodegradability, is one of the most attractive carriers for drug delivery systems. In this review, we describe the preparation, characterization, and 'switch-on/off' mechanism of typical pullulan self-assembled nanogels (self-nanogels), and then introduce the development of hybrid hydrogels that are numerous resources applied for regenerative medicine...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29333326/evaluation-of-the-periodontal-regenerative-properties-of-patterned-human-periodontal-ligament-stem-cell-sheets
#20
Joong-Hyun Kim, Seok-Yeong Ko, Justin Ho Lee, Deok-Ho Kim, Jeong-Ho Yun
Purpose: The aim of this study was to determine the effects of patterned human periodontal ligament stem cell (hPDLSC) sheets fabricated using a thermoresponsive substratum. Methods: In this study, we fabricated patterned hPDLSC sheets using nanotopographical cues to modulate the alignment of the cell sheet. Results: The hPDLSCs showed rapid monolayer formation on various surface pattern widths. Compared to cell sheets grown on flat surfaces, there were no significant differences in cell attachment and growth on the nanopatterned substratum...
December 2017: Journal of Periodontal & Implant Science
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