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https://www.readbyqxmd.com/read/28335352/nano-biosensor-for-monitoring-the-neural-differentiation-of-stem-cells
#1
REVIEW
Jin-Ho Lee, Taek Lee, Jeong-Woo Choi
In tissue engineering and regenerative medicine, monitoring the status of stem cell differentiation is crucial to verify therapeutic efficacy and optimize treatment procedures. However, traditional methods, such as cell staining and sorting, are labor-intensive and may damage the cells. Therefore, the development of noninvasive methods to monitor the differentiation status in situ is highly desirable and can be of great benefit to stem cell-based therapies. Toward this end, nanotechnology has been applied to develop highly-sensitive biosensors to noninvasively monitor the neural differentiation of stem cells...
November 28, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28333339/platelet-rich-plasma-augments-adipose-derived-stem-cell-growth-and-differentiation
#2
Robert P Gersch, Joshua Glahn, Michael G Tecce, Anthony J Wilson, Ivona Percec
Background: Adipose-derived stem cells (ASCs) are a powerful tool for cosmetic surgery and regenerative medicine. The use of autologous platelet rich plasma (PRP), particularly in combination with ASC-based therapy, has significantly expanded in recent years. Unfortunately, the mechanisms and optimal dosing responsible for the beneficial effects of PRP remain poorly understood. Here we investigate the effect of PRP on ASC growth and differentiation. Objectives: To assess the impact of different PRP feeding and cryopreservation protocols on ASC isolation, expansion, and differentiation...
February 22, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28332131/biostimulation-with-diode-laser-positively-regulates-cementoblast-functions-in-vitro
#3
Serife Buket Bozkurt, Erdogan E Hakki, Seyit Ali Kayis, Niyazi Dundar, Sema S Hakki
The aim of this study was to evaluate the effects of diode laser biostimulation on cementoblasts (OCCM.30). A total of 40 root plates were obtained from healthy third molar teeth and assigned to the following two groups: (1) control group and (2) laser-treated group. Root plates were placed into the cell culture inserts, and OCCM.30 cells were seeded onto root plates. Cells were irradiated with a low level of diode laser (power: 0.3 W in continuous wave, 60 s/cm(2)). Proliferation and mineralized tissue-associated gene's and BMP's messenger RNA (mRNA) expressions of cementoblasts were evaluated...
March 22, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28326803/when-is-an-alveolar-type-2-cell-an-alveolar-type-2-cell-a-conundrum-for-lung-stem-cell-biology-and-regenerative-medicine
#4
Michael F Beers, Yuben Moodley
Generating mature, differentiated, adult lung cells from pluripotent cells such as induced pluripotent cells (iPS) and embryonic stem cells (ES) offers the hope of both generating disease specific in vitro models and creating definitive and personalized therapies for a host of debilitating lung parenchymal and airway diseases. With the goal of advancing lung regenerative medicine, several groups have developed and reported on protocols utilizing either defined media, co-culture with mesenchymal components, or sequential treatments mimicking lung development, to obtain distal lung epithelial cells from stem cell precursors...
March 22, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28326790/nerve-cells-decide-to-orient-inside-an-injectable-hydrogel-with-minimal-structural-guidance
#5
Jonas Christopher Rose, Maria Camara Torres, Khosrow Rahimi, Jens Köhler, Martin Moeller, Laura De Laporte
Injectable biomaterials provide the advantage of a minimally invasive application but mostly lack the required structural complexity to regenerate aligned tissues. Here, we report a new class of tissue regenerative materials that can be injected and form an anisotropic matrix with controlled dimensions using rod-shaped, magnetoceptive microgel objects. Microgels are doped with small quantities of superparamagnetic iron oxide nanoparticles (0.0046 vol%), allowing alignment by external magnetic fields in the millitesla order...
March 22, 2017: Nano Letters
https://www.readbyqxmd.com/read/28326344/osteogenic-stem-cell-selection-for-repair-and-regeneration
#6
Marcus Tillotson, Niall Logan, Peter Brett
The first osteogenic cells to attach to a titanium (Ti) implant after placement are the multipotent stromal cells (MSCs) that circulate in the bloodstream and are recruited to the site of tissue damage. The reservoirs of these cells are heterogeneous in nature, consisting of a mixture of cells with varying differentiation abilities. In order to utilise these cells and to reduce the chance of unwanted events during regenerative therapies, the selection of a subset of cells that is truly multipotent is required...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/28326324/three-dimensional-human-cardiac-tissue-engineered-by-centrifugation-of-stacked-cell-sheets-and-cross-sectional-observation-of-its-synchronous-beatings-by-optical-coherence-tomography
#7
Yuji Haraguchi, Akiyuki Hasegawa, Katsuhisa Matsuura, Mari Kobayashi, Shin-Ichi Iwana, Yasuhiro Kabetani, Tatsuya Shimizu
Three-dimensional (3D) tissues are engineered by stacking cell sheets, and these tissues have been applied in clinical regenerative therapies. The optimal fabrication technique of 3D human tissues and the real-time observation system for these tissues are important in tissue engineering, regenerative medicine, cardiac physiology, and the safety testing of candidate chemicals. In this study, for aiming the clinical application, 3D human cardiac tissues were rapidly fabricated by human induced pluripotent stem (iPS) cell-derived cardiac cell sheets with centrifugation, and the structures and beatings in the cardiac tissues were observed cross-sectionally and noninvasively by two optical coherence tomography (OCT) systems...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28326298/effects-of-escherichia-coli-derived-recombinant-human-bone-morphogenetic-protein-2-loaded-porous-hydroxyaptite-based-ceramics-on-calvarial-defect-in-rabbits
#8
Shin-Young Kim, Youngkyun Lee, Seung-Jun Seo, Jae-Hong Lim, Yong-Gun Kim
BACKGROUND: Recombinant human bone morphogenetic proteins (rhBMPs) have been widely used in regenerative therapies to promote bone formation. The production of rhBMPs using bacterial systems such as Escherichia coli (E. coli) is estimated to facilitate clinical applications by lowering the cost without compromising biological activity. In clinical practice, rhBMP-2 and osteoconductive carriers (e.g., hydroxyapatite [HA] and bovine bone xenograft) are used together. This study examined the effect of E...
February 2017: Journal of Bone Metabolism
https://www.readbyqxmd.com/read/28326106/in-vivo-assessment-of-stem-cells-for-treating-neurodegenerative-disease-current-approaches-and-future-prospects
#9
REVIEW
Byeong-Wook Song
In recent years, stem cell-related therapies have been widely applied for treating neurodegenerative disease. Despite their potential, stem cell tracking and imaging techniques for the evaluation of in vivo proof-of-concept (PoC) therapies have not been sufficiently represented in the research area. This review summarizes the recent approaches that have been used for tracking and imaging engrafted stem cells in vivo. Furthermore, we introduce tissue clearing technology that can be applied to develop three-dimensional in vivo experiments...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28324469/stem-cells-in-cardiovascular-medicine-the-road-to-regenerative-therapies
#10
REVIEW
Christopher W Anderson, Nicole Boardman, Jiesi Luo, Jinkyu Park, Yibing Qyang
PURPOSE OF REVIEW: The purpose of this review is to provide a broad overview of current trends in stem cell research and its applications in cardiovascular medicine. Researches on different stem cell sources, their inherent characteristics, and the limitations they have in medical applications are discussed. Additionally, uses of stem cells for both modeling and treating cardiovascular disease are discussed, taking note of the obstacles these engineered interventions must overcome to be clinically viable...
April 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28322920/stem-cell-transplantation-therapy-for-multifaceted-therapeutic-benefits-after-stroke
#11
REVIEW
Ling Wei, Zheng Z Wei, Michael Qize Jiang, Osama Mohamad, Shan Ping Yu
One of the exciting advances in modern medicine and life science is cell-based neurovascular regeneration of damaged brain tissues and repair of neuronal structures. The progress in stem cell biology and creation of adult induced pluripotent stem (iPS) cells has significantly improved basic and pre-clinical research in disease mechanisms and generated enthusiasm for potential applications in the treatment of central nervous system (CNS) diseases including stroke. Endogenous neural stem cells and cultured stem cells are capable of self-renewal and give rise to virtually all types of cells essential for the makeup of neuronal structures...
March 16, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28322169/potential-therapeutic-strategies-of-regenerative-medicine-for-renal-failure
#12
Monica Maribel Mata-Miranda, Raul Jacobo Delgado-Macuil, Marlon Rojas-Lopez, Ricardo Martinez-Flores, Gustavo Jesus Vazquez-Zapien
Kidney diseases are a public health problem worldwide; the mortality rate is between 50 and 80%. Available therapies include replacement function by dialysis or transplant, associated with a high morbidity and mortality; kidney transplantation is limited by the shortage of donor organs, immune rejection and lifelong treatment with immunosuppressive. Likewise, none of these treatments compensates all kidney functions. There is a great concern in developing more effective therapies with the ability to replace the wide range of renal functions, so that, new researches on developing therapeutic strategies have focused on regenerative medicine, science that includes artificial creation of tissues and organs, in order to repair or replace a tissue or organ function...
March 17, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28322140/applications-and-risks-of-nanomaterials-used-in-regenerative-medicine-delivery-systems-theranostics-and-therapy
#13
REVIEW
Estefany I Medina-Reyes, Danae Garcia-Viacobo, Franklin A Carrero-Martinez, Yolanda Irasema Chirino
Recent advances in nanotechnology have transformed the biomedicine field, in which the use of engineered nanomaterials (ENMs) has provided the foundation for novel applications. For this reason, the number of ENMs has increased rapidly, and here we provide a classification of ENMs based on chemical composition and biomedical applications, which include regenerative medicine, delivery systems, theranostics, and therapy. These have been identified as the most advanced and promising areas for further studies with humans...
2017: Critical Reviews in Therapeutic Drug Carrier Systems
https://www.readbyqxmd.com/read/28321921/insights-into-cell-free-therapeutic-approach-role-of-stem-cell-soup-ernatant
#14
REVIEW
Shalini Raik, Ajay Kumar, Shalmoli Bhattacharyya
Current advances in medicine have revolutionized the field of regenerative medicine dramatically with newly evolved therapies for repair or replacement of degenerating or injured tissues. Stem cells can be harvested from different sources for clinical therapeutics which include fetal tissues, umbilical cord blood, embryos and adult tissues. Stem cells can be isolated and differentiated into desired lineages for tissue regeneration and cell replacement therapy. However, several loopholes need to be addressed properly before this can be extended for large scale therapeutic application...
March 21, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28320829/tissue-engineering-functional-gastrointestinal-regions-the-importance-of-stem-and-progenitor-cells
#15
Andrew Trecartin, Tracy Grikscheit
The intestine shows extraordinary regenerative potential that might be harnessed to alleviate numerous morbid and lethal human diseases. The intestinal stem cells regenerate the epithelium every 5 days throughout an individual's lifetime. Understanding stem-cell signaling affords power to influence the niche environment for growing intestine. The manifold approaches to tissue engineering may be organized by variations of three basic components required for the transplantation and growth of stem/progenitor cells: (1) cell delivery materials or scaffolds; (2) donor cells including adult stem cells, induced pluripotent stem cells, and in vitro expansion of isolated or cocultured epithelial, smooth muscle, myofibroblasts, or nerve cells; and (3) environmental modulators or biopharmaceuticals...
March 20, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28320483/human-and-feline-adipose-derived-mesenchymal-stem-cells-have-comparable-phenotype-immunomodulatory-functions-and-transcriptome
#16
Kaitlin C Clark, Fernando A Fierro, Emily Mills Ko, Naomi J Walker, Boaz Arzi, Clifford G Tepper, Heather Dahlenburg, Andrew Cicchetto, Amir Kol, Lyndsey Marsh, William J Murphy, Nasim Fazel, Dori L Borjesson
BACKGROUND: Adipose-derived mesenchymal stem cells (ASCs) are a promising cell therapy to treat inflammatory and immune-mediated diseases. Development of appropriate pre-clinical animal models is critical to determine safety and attain early efficacy data for the most promising therapeutic candidates. Naturally occurring diseases in cats already serve as valuable models to inform human clinical trials in oncologic, cardiovascular, and genetic diseases. The objective of this study was to complete a comprehensive side-by-side comparison of human and feline ASCs, with an emphasis on their immunomodulatory capacity and transcriptome...
March 20, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28320452/compared-to-the-amniotic-membrane-wharton-s-jelly-may-be-a-more-suitable-source-of-mesenchymal-stem-cells-for-cardiovascular-tissue-engineering-and-clinical-regeneration
#17
Lei Pu, Mingyao Meng, Jian Wu, Jing Zhang, Zongliu Hou, Hui Gao, Hui Xu, Boyu Liu, Weiwei Tang, Lihong Jiang, Yaxiong Li
BACKGROUND: The success of developing cardiovascular tissue engineering (CTE) grafts greatly needs a readily available cell substitute for endothelial and interstitial cells. Perinatal annexes have been proposed as a valuable source of mesenchymal stem cells (MSCs) for tissue engineering and regenerative medicine. The objective of the present study is to evaluate the potential of human Wharton's jelly MSCs (WJ-MSCs) and amniotic membrane MSCs (AM-MSCs) as a seeding cell in CTE and cardiovascular regenerative medicine...
March 21, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28319248/cyclic-tensile-strain-enhances-human-mesenchymal-stem-cell-smad-2-3-activation-and-tenogenic-differentiation-in-anisotropic-collagen-glycosaminoglycan-scaffolds
#18
W G Grier, A S Moy, B A Harley
Stem cell research arose from the need to explore new therapeutic possibilities for intractable and lethal diseases. Although musculoskeletal disorders are basically nonlethal, their high prevalence and relative ease of performing clinical trials have facilitated the clinical application of stem cells in this field. However, few reliable clinical studies have been published, despite the plethora of in vitro and preclinical studies in stem cell research for regenerative medicine in the musculoskeletal system...
March 20, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28316944/human-amnion-membrane-potential-applications-in-oral-and-periodontal-field
#19
REVIEW
Ranjana Mohan, Aashima Bajaj, Mohan Gundappa
Human amniotic membrane (HAM) is derived from the fetal membranes which consist of the inner amniotic membrane made of single layer of amnion cells fixed to collagen-rich mesenchyme attached to chorion. HAM has low immunogenicity, anti-inflammatory properties and their cells can be isolated without the sacrifice of human embryos. Amniotic membrane has biological properties which are important for the experimental and clinical applications in managing patients of various medical specialties. Abundant, natural and wonderful biomembrane not only protects the foetus but also has various clinical applications in the field of dermatology, ophthalmology, ENT surgery, orthopedics and dental surgery...
January 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28316635/epigenetic-mechanisms-of-integrative-medicine
#20
REVIEW
Riya R Kanherkar, Susan E Stair, Naina Bhatia-Dey, Paul J Mills, Deepak Chopra, Antonei B Csoka
Since time immemorial humans have utilized natural products and therapies for their healing properties. Even now, in the age of genomics and on the cusp of regenerative medicine, the use of complementary and alternative medicine (CAM) approaches represents a popular branch of health care. Furthermore, there is a trend towards a unified medical philosophy referred to as Integrative Medicine (IM) that represents the convergence of CAM and conventional medicine. The IM model not only considers the holistic perspective of the physiological components of the individual, but also includes psychological and mind-body aspects...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
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