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Tissue Engineering. Part B, Reviews

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https://www.readbyqxmd.com/read/28610544/the-biomechanical-properties-of-human-craniofacial-sutures-and-relevant-variables-in-sutural-distraction-osteogenesis-a-critical-review
#1
Fabio Savoldi, James K H Tsoi, Corrado Paganelli, Jukka P Matinlinna
Sutures are synarthroses connecting the bones of the head with each other through a fibrous sutural ligament. The knowledge of their biomechanical properties is relevant in the application of regenerative techniques for the treatment of craniofacial conditions, such as the sutural distraction osteogenesis (SDO). However, their mechanical characterization has not received a systematic approach, and both clinical treatments and virtual simulations lack clear mechanical parameters. Online databases (PubMed(©), Cochrane Library(©), Google Scholar(©)), references of full-text articles, and previous reviews of the literature were searched...
July 21, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28726576/recent-developments-in-thiolated-polymeric-hydrogels-for-tissue-engineering-applications
#2
Mani Gajendiran, Jae-Sung Rhee, Kyobum Kim
This review focuses on the recent strategy in the preparation of thiolated polymers and fabrication of their hydrogel matrices. The mechanism involved in the synthesis of thiolated polymers and fabrication of thiolated polymer hydrogels is exemplified with suitable schematic representations reported in the recent literature. The 2-iminothiolane namely "Traut's reagent" has been widely employed for effectively thiolating the natural polymers such as collagen and gelatin which contain free amino group in their back bone...
July 20, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28548628/endothelial-progenitor-cells-for-the-vascularization-of-engineered-tissues
#3
Erica B Peters
Self-assembled microvasculature from cocultures of endothelial cells (ECs) and stromal cells has significantly advanced efforts to vascularize engineered tissues by enhancing perfusion rates in vivo and producing investigative platforms for microvascular morphogenesis in vitro. However, to clinically translate prevascularized constructs, the issue of EC source must be resolved. Endothelial progenitor cells (EPCs) can be noninvasively supplied from the recipient through adult peripheral and umbilical cord blood, as well as derived from induced pluripotent stem cells, alleviating antigenicity issues...
July 3, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28665192/adipose-tissue-derived-stem-cell-sheet-application-for-tissue-healing-i-in-vivo-i-a-systematic-review
#4
Panithi Sukho, Abigael Cohen, Jan Willem Hesselink, Jolle Kirpensteijn, Femke Verseijden, Yvonne Maria Bastiaansen-Jenniskens
Adipose tissue-derived stem cells (ASCs) are known to be tissue-healing promoters due to their cellular plasticity and secretion of paracrine factors. Cultured ASC sheets provide a novel method of ASCs application and can retain ASCs at the targeted tissue. The purpose of this systematic review is to evaluate preclinical studies using adipose tissue-derived cell (ASC) sheet transplantation therapy for promoting tissue healing. Firstly, we searched databases to identify studies of ASC sheet therapy in different experimental animal models, and then determined the quality score of studies using SYRCLE's risk bias tool...
June 30, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28514897/biomaterials-and-bioactive-agents-in-spinal-fusion
#5
Rui M Duarte, Pedro Varanda, Rui L Reis, Ana Rita C Duarte, Jorge Correia-Pinto
Management of degenerative spine pathologies frequently leads to the need for spinal fusion (SF), where bone growth is induced toward stabilization of the interventioned spine. Autologous bone graft (ABG) remains the gold-standard inducer, whereas new bone graft substitutes attempt to achieve effective de novo bone formation and solid fusion. Limited fusion outcomes have driven motivation for more sophisticated and multidisciplinary solutions, involving new biomaterials and/or biologics, through innovative delivery platforms...
June 28, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28610481/efficacy-of-humanized-mesenchymal-stem-cell-cultures-for-bone-tissue-engineering-a-systematic-review-with-a-focus-on-platelet-derivatives
#6
Siddharth Shanbhag, Andreas Stavropoulos, Salwa Suliman, Tor Hervig, Kamal Mustafa
Fetal bovine serum (FBS) is the most commonly used supplement for ex vivo expansion of human mesenchymal stem cells (hMSCs) for bone tissue engineering applications. However, from a clinical standpoint, it is important to substitute animal-derived products according to current Good Manufacturing Practice (cGMP) guidelines. Humanized alternatives to FBS include three categories of products: human serum (HS), human platelet-derivatives (HPD) - including platelet lysate (PL) or releasate (PR), produced by freeze-/thawing or chemical activation of platelet concentrates, respectively; and chemically-defined media (CDM)...
June 13, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28463576/advances-in-application-of-mechanical-stimuli-in-bioreactors-for-cartilage-tissue-engineering
#7
Ke Li, Chunqiu Zhang, Lulu Qiu, Lilan Gao, Xizheng Zhang
Articular cartilage (AC) is the weight-bearing tissue in diarthroses. It lacks the capacity for self-healing once there are injuries or diseases due to its avascularity. With the development of tissue engineering, repairing cartilage defects through transplantation of engineered cartilage that closely matches properties of native cartilage has become a new option for curing cartilage diseases. The main hurdle for clinical application of engineered cartilage is how to develop functional cartilage constructs for mass production in a credible way...
May 24, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28514935/mesenchymal-stem-cell-based-cartilage-regeneration-approach-and-cell-senescence-can-we-manipulate-cell-aging-and-function
#8
Marta Anna Szychlinska, Martin James Stoddart, Ugo D'Amora, Luigi Ambrosio, Mauro Alini, Giuseppe Musumeci
Aging is the most prominent risk factor triggering several degenerative diseases, such as Osteoarthritis (OA). Due to its poor self-healing capacity, once injured cartilage needs to be re-established. This process mighmight be approached bythrough resorting to cell-based therapies and/or tissue engineering. Human mesenchymal stem cells (hMSC) represent a promising approach due to their chondrogenic differentiation potential. Presently, in vitro chondrogenic differentiation of MSCs is limited by two main reasons: Aging aging of MSCs, which determines the loss of cell proliferative and differentiationed capacity and MSC-derived chondrocyte hypertrophic differentiation, which limits the use of these cells in cartilage tissue regeneration approach...
May 17, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28490258/trophic-effects-of-mesenchymal-stem-cells-in-tissue-regeneration
#9
Yao Fu, Lisanne Karbaat, Ling Wu, Jeroen C H Leijten, Sanne Both, Marcel Karperien
Mesenchymal stem cells (MSCs) are considered to hold great therapeutic value for cell-based therapy and for tissue regeneration in particular. Recent evidence indicates that the main underlying mechanism for MSCs' beneficial effects in tissue regeneration is based on their capability to produce a large variety of bioactive trophic factors that stimulate neighboring parenchymal cells to start repairing damaged tissues. These new findings could potential replace the classical paradigm of MSC differentiation and cell replacement...
May 10, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28474536/comments-on-an-overview-of-protocols-for-the-neural-induction-of-dental-and-oral-stem-cells-in-vitro-article-in-tissue-engineering-part-b-heng-et-al-february-2016-doi-10-1089-ten-teb-2015-0488
#10
Orsolya Pall, Bela Varga Varga, Pierre-Yves Collart-Dutilleul, Csilla Gergely, Frédéric Cuisinier
We read with interest the review of Heng et al.(2016). The article summarizes a wide range of protocols about the in vitro neurodifferentiation of different dental and oral stem cells. Our research group is also interested in the study of neurogenic potential of dental pulp stem cells, so we were pleased to find such a detailed and comprehensive review about this topic. Unfortunately when reading carefully the article, we observed numerous errors regarding for example the quantity of the products in several protocols...
May 5, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28372518/collagen-membrane-and-immune-response-in-guided-bone-regeneration-recent-progress-and-perspectives
#11
Chenyu Chu, Jia Deng, Xianchang Sun, Yili Qu, Yi Man
Collagen is one of the important components of collagen membranes as well as the extracellular matrix (ECM). Most previous studies have focused on combining collagen membranes with various cross-linking agents, grafting materials, and cytokines to enhance their mechanical properties and bioactivities. Moreover, collagen membranes are often designed to minimize foreign body reactions involving macrophages. However, macrophages were recently found to play a pivotal role during bone regeneration based on their polarization into both proinflammatory and anti-inflammatory phenotypes...
May 5, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28376649/tuning-cell-and-tissue-development-by-combining-multiple-mechanical-signals
#12
Ravi Sinha, Nico Verdonschot, Bart Koopman, Jeroen Rouwkema
Mechanical signals offer a promising way to control cell and tissue development. It has been established that cells constantly probe their mechanical microenvironment and employ force feedback mechanisms to modify themselves and when possible, their environment, to reach a homeostatic state. Thus, a correct mechanical microenvironment (external forces and mechanical properties and shapes of cellular surroundings) is necessary for the proper functioning of cells. In vitro or in the case of nonbiological implants in vivo, where cells are in an artificial environment, addition of the adequate mechanical signals can, therefore, enable the cells to function normally as in vivo...
May 3, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28457175/tissue-engineering-and-regenerative-medicine-new-trends-and-directions-a-year-in-review
#13
Manuela E Gomes, Márcia T Rodrigues, Rui M A Domingues, Rui L Reis
Tissue engineering (TE) is continuously evolving assimilating inputs from adjacent scientific areas and their technological advances, including nanotechnology developments that have been spawning the range of available options for the precise manipulation and control of cells and cellular environments. Simultaneously, with the maturation of the field, TE has a growing and marked impact in other fields, such as cancer and other diseases research, enabling tri-dimensional (3D) tumor/tissue models of increased complexity that more closely resemble living tissue dynamics, playing a decisive role in the development of new and improved therapies...
June 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28437235/breast-augmentation-and-reconstruction-from-a-regenerative-medicine-point-of-view-state-of-the-art-and-future-perspectives
#14
Luke E Visscher, Matthew Cheng, Mohit Chhaya, Madeline L Hintz, Jan-Thorsten Schantz, Phong Tran, Owen Ung, Clement Wong, Dietmar W Hutmacher
Breast reconstruction and augmentation are very common procedures, yet the prevailing current methods utilize silicone implants that may have significant local complications requiring reoperation. Lipofillling is increasingly used to contour and is considered safe, however, its utility is limited by significant volume loss. A new approach could offer an alternative and increase the scope of patient choice. A small number of teams around the world are investigating a breast tissue engineering (TE) paradigm. Conventional breast TE concepts are based on seeding a scaffold with the patients' own stem cells...
June 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28103751/three-dimensional-bioprinting-toward-the-era-of-manufacturing-human-organs-as-spare-parts-for-healthcare-and-medicine
#15
Tanveer Ahmad Mir, Makoto Nakamura
Three-dimensional (3D) printing technology has been used in industrial worlds for decades. Three-dimensional bioprinting has recently received an increasing attention across the globe among researchers, academicians, students, and even the ordinary people. This emerging technique has a great potential to engineer highly organized functional bioconstructs with complex geometries and tailored components for engineering bioartificial tissues/organs for widespread applications, including transplantation, therapeutic investigation, drug development, bioassay, and disease modeling...
June 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28034338/bioengineering-strategies-to-treat-female-infertility
#16
Che-Ying Kuo, Hannah Baker, Melissa H Fries, James J Yoo, Peter C W Kim, John P Fisher
Bioengineering strategies have demonstrated enormous potential to treat female infertility as a result of chemotherapy, uterine injuries, fallopian tube occlusion, massive intrauterine adhesions, congenital uterine malformations, and hysterectomy. These strategies can be classified into two broad categories as follows: (i) Transplantation of fresh or cryopreserved organs into the host and (ii) tissue engineering approaches that utilize a combination of cells, growth factors, and biomaterials that leverages the body's inherent ability to regenerate/repair reproductive organs...
June 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/27917703/principles-of-the-kenzan-method-for-robotic-cell-spheroid-based-three-dimensional-bioprinting
#17
Nicanor I Moldovan, Narutoshi Hibino, Koichi Nakayama
Bioprinting is a technology with the prospect to change the way many diseases are treated, by replacing the damaged tissues with live de novo created biosimilar constructs. However, after more than a decade of incubation and many proofs of concept, the field is still in its infancy. The current stagnation is the consequence of its early success: the first bioprinters, and most of those that followed, were modified versions of the three-dimensional printers used in additive manufacturing, redesigned for layer-by-layer dispersion of biomaterials...
June 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/27875945/three-dimensional-printing-articular-cartilage-recapitulating-the-complexity-of-native-tissue
#18
Ting Guo, Josephine Lembong, Lijie Grace Zhang, John P Fisher
In the past few decades, the field of tissue engineering combined with rapid prototyping (RP) techniques has been successful in creating biological substitutes that mimic tissues. Its applications in regenerative medicine have drawn efforts in research from various scientific fields, diagnostics, and clinical translation to therapies. While some areas of therapeutics are well developed, such as skin replacement, many others such as cartilage repair can still greatly benefit from tissue engineering and RP due to the low success and/or inefficiency of current existing, often surgical treatments...
June 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/27846781/osteoblast-differentiation-and-bone-matrix-formation-in-vivo-and-in-vitro
#19
Harry C Blair, Quitterie C Larrouture, Yanan Li, Hang Lin, Donna Beer-Stoltz, Li Liu, Rocky S Tuan, Lisa J Robinson, Paul H Schlesinger, Deborah J Nelson
We review the characteristics of osteoblast differentiation and bone matrix synthesis. Bone in air breathing vertebrates is a specialized tissue that developmentally replaces simpler solid tissues, usually cartilage. Bone is a living organ bounded by a layer of osteoblasts that, because of transport and compartmentalization requirements, produce bone matrix exclusively as an organized tight epithelium. With matrix growth, osteoblasts are reorganized and incorporated into the matrix as living cells, osteocytes, which communicate with each other and surface epithelium by cell processes within canaliculi in the matrix...
June 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/27809709/systematic-review-to-compare-urothelium-differentiation-with-urethral-epithelium-differentiation-in-fetal-development-as-a-basis-for-tissue-engineering-of-the-male-urethra
#20
Petra de Graaf, E Martine van der Linde, Peter F W M Rosier, Ander Izeta, Karl-Dietrich Sievert, J L H Ruud Bosch, Laetitia M O de Kort
BACKGROUND: Tissue-engineered (TE) urethra is desirable in men with urethral disease (stricture or hypospadias) and shortage of local tissue. Although ideally a TE graft would contain urethral epithelium cells, currently, bladder epithelium (urothelium) is widely used, but morphologically different. Understanding the differences and similarities of urothelium and urethral epithelium could help design a protocol for in vitro generation of urethral epithelium to be used in TE grafts for the urethra...
June 2017: Tissue Engineering. Part B, Reviews
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