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regenerative medicine with stem cells

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https://www.readbyqxmd.com/read/28444679/membranes-derived-from-human-umbilical-cord-wharton-s-jelly-stem-cells-as-novel-bioengineered-tissue-like-constructs
#1
B D Jaimes-Parra, I Garzón, V Carriel, D Durand-Herrera, M A Martín-Piedra, J M García, M C Sánchez-Quevedo, M Alaminos, A Campos
Cell-derived matrices were recently described as novel biomaterials generated by human cells allowed to grow and synthetize their own extracellular matrix in culture. In the present work, we generated and evaluated a novel tissue-like substitute (WDM) consisting of a membrane derived from cultured human Wharton's jelly stem cells. WDM were evaluated ex vivo and in vivo by histochemistry and immunohistochemistry for several mesenchymal cell markers and fibrillar and non-fibrillar extracellular matrix components...
April 26, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28442776/mir-301b-mir-130b-ppar%C3%AE-axis-underlies-the-adipogenic-capacity-of-mesenchymal-stem-cells-with-different-tissue-origins
#2
Lulu Liu, Haihui Liu, Mingtai Chen, Saisai Ren, Panpan Cheng, Hao Zhang
Mesenchymal stem cells (MSCs) have been widely used in regenerative medicine and cellular therapy due to their multi-lineage differentiation potential and immunomodulatory function. The applicability of MSCs also depends on their cellular sources and in vivo functions. Here in this study, we systematically compared the morphologic characteristics, immunophenotypes and the adipogenic differentiation of MSCs derived from umbilical cord (UC), adipose tissue (Ad) and bone marrow (BM). We found that the three tissues-derived MSCs displayed decreased adipogenic capacity in the order: Ad-MSC > BM-MSC > UC-MSC, and no morphologic and immunophenotypic differences were observed...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28441301/regenerative-medicine-and-stem-cells-in-dermatology
#3
Eduardo K Moioli, Diana Bolotin, Murad Alam
BACKGROUND: Clinically relevant regenerative medicine is still in its early stages of development. Difficulties in regenerating large-scale and complex structures, the lack of safety data, and the paucity of clinical trials have slowed the process of technological advance. OBJECTIVE: To familiarize the clinician with techniques available in the laboratory and experimental approaches being tested clinically. In addition, a layout is discussed for how dermatologists can lead the way in bringing regenerative medicine to clinical reality...
May 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
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
#4
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/28439079/translation-but-not-transfection-limits-clinically-relevant-exogenous-mrna-based-induction-of-alpha-4-integrin-expression-on-human-mesenchymal-stem-cells
#5
Adam Nowakowski, Anna Andrzejewska, Johannes Boltze, Franziska Nitzsche, Li-Li Cui, Jukka Jolkkonen, Piotr Walczak, Barbara Lukomska, Miroslaw Janowski
Mesenchymal stem cells (MSCs) represent promising resource of cells for regenerative medicine in neurological disorders. However, efficient and minimally invasive methods of MSCs delivery to the brain still have to be developed. Intra-arterial route is very promising, but MSCs are missing machinery for diapedesis through blood-brain barrier. Thus, here we have tested a mRNA-based method to induce transient expression of ITGA4, an adhesion molecule actively involved in cell extravasation. We observed that transfection with an ITGA4-mRNA construct bearing a conventional cap analogue (7-methylguanosine) failed to produce ITGA4 protein, but exogenous ITGA4-mRNA was detected in transfected MSCs...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28437235/breast-augmentation-and-reconstruction-from-a-regenerative-medicine-point-of-view-state-of-the-art-and-future-perspectives
#6
Luke Evan Visscher, Matthew Cheng, Mohit Chhaya, Madeline Louise Hintz, Jan-Thorsten Schantz, Phong Tran, Owen Ung, Clement Wong, Dietmar Werner 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 paradigm. Conventional breast tissue engineering concepts are based on seeding a scaffold with the patients' own stem cells...
February 24, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28436965/a-three-dimensional-model-of-human-lung-development-and-disease-from-pluripotent-stem-cells
#7
Ya-Wen Chen, Sarah Xuelian Huang, Ana Luisa Rodrigues Toste de Carvalho, Siu-Hong Ho, Mohammad Naimul Islam, Stefano Volpi, Luigi D Notarangelo, Michael Ciancanelli, Jean-Laurent Casanova, Jahar Bhattacharya, Alice F Liang, Laura M Palermo, Matteo Porotto, Anne Moscona, Hans-Willem Snoeck
Recapitulation of lung development from human pluripotent stem cells (hPSCs) in three dimensions (3D) would allow deeper insight into human development, as well as the development of innovative strategies for disease modelling, drug discovery and regenerative medicine. We report here the generation from hPSCs of lung bud organoids (LBOs) that contain mesoderm and pulmonary endoderm and develop into branching airway and early alveolar structures after xenotransplantation and in Matrigel 3D culture. Expression analysis and structural features indicated that the branching structures reached the second trimester of human gestation...
April 24, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28436328/potential-of-stem-cells-as-regenerative-medicine-from-preface-to-advancements
#8
Muhammad Shahid Javaid, Usman Ali Ashfaq, Muhammad Shareef Masoud
Regenerative medicine is an emerging field to find solutions to some of the most challenging medical problems of humans. Regenerative medicine has the potential to revolutionize the whole health care system, in dealing with conditions such as heart disease, emphysema, liver fibrosis, kidney disease, diabetes, and neurological disorders. Among the many challenges to bringing regenerative medicine to the clinic is the selection of the best cell types and reliable ways to expand the number of cells. Stem cells emerged as the best cell type for regeneration of different organs...
2017: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/28435007/stem-cells-and-their-potential-clinical-applications-in-psychiatric-disorders
#9
REVIEW
Mariusz Z Ratajczak, Andrzej K Ciechanowicz, Jolanta Kucharska-Mazur, Jerzy Samochowiec
The robustness of stem cells is one of the major factors that directly impacts life quality and life span. Evidence has accumulated that changes in the stem cell compartment affect human mental health and serve as an indicator of psychiatric problems. It is well known that stem cells continuously replace differentiated cells and tissues that are used up during life, although this replacement occurs at a different pace in the various organs. However, the participation of local neural stem cells in regeneration of the central nervous system is controversial...
April 20, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28432571/cell-therapy-for-type-1-diabetes-current-and-future-strategies
#10
REVIEW
Yasaman Aghazadeh, Maria Cristina Nostro
PURPOSE OF THE REVIEW: Type 1 diabetes (T1D) is defined by an autoimmune destruction of insulin producing β-cells located in the endocrine part of the pancreas, the islets of Langerhans. As exogenous insulin administration fails at preventing severe complications associated with this disease, cell replacement therapies are being considered as a means to treat T1D. The purpose of this manuscript is to review the challenges associated with current strategies and discuss the potential of stem cell therapy for the treatment of T1D...
June 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28428046/cryoprotectants-a-review-of-the-actions-and-applications-of-cryoprotective-solutes-that-modulate-cell-recovery-from-ultra-low-temperatures
#11
REVIEW
Gloria D Elliott, Shangping Wang, Barry J Fuller
Cryopreservation has become a central technology in many areas of clinical medicine, biotechnology, and species conservation within both plant and animal biology. Cryoprotective agents (CPAs) invariably play key roles in allowing cells to be processed for storage at deep cryogenic Temperatures and to be recovered with high levels of appropriate functionality. As such, these CPA solutes possess a wide range of metabolic and biophysical effects that are both necessary for their modes of action, and potentially complicating for cell biological function...
April 18, 2017: Cryobiology
https://www.readbyqxmd.com/read/28424094/electrical-control-of-calcium-oscillations-in-mesenchymal-stem-cells-using-microsecond-pulsed-electric-fields
#12
Hanna Hanna, Franck M Andre, Lluis M Mir
BACKGROUND: Human mesenchymal stem cells are promising tools for regenerative medicine due to their ability to differentiate into many cellular types such as osteocytes, chondrocytes and adipocytes amongst many other cell types. These cells present spontaneous calcium oscillations implicating calcium channels and pumps of the plasma membrane and the endoplasmic reticulum. These oscillations regulate many basic functions in the cell such as proliferation and differentiation. Therefore, the possibility to mimic or regulate these oscillations might be useful to regulate mesenchymal stem cells biological functions...
April 20, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28416208/fetal-and-perinatal-stem-cells-in-cardiac-regeneration-moving-forward-to-the-paracrine-era
#13
C Balbi, S Bollini
Cardiovascular disease (CD) is a major burden for Western society. Regenerative medicine has provided encouraging results, yet it has not addressed the focal defects causing CD and mainly related to the inefficient repair programme of the heart. In this scenario, stem cells have been broadly investigated and their paracrine effect proposed as a possible working strategy to boost endogenous mechanisms of repair and regeneration from within the cardiac tissue. The scientific community is now focusing on identifying the most effective stem cell secretome, as the whole of bioactive factors and extracellular vesicles secreted by stem cells and endowed with regenerative potential...
April 12, 2017: Placenta
https://www.readbyqxmd.com/read/28412976/hepatic-population-derived-from-human-pluripotent-stem-cells-is-effectively-increased-by-selective-removal-of-undifferentiated-stem-cells-using-ym155
#14
Seok-Jin Kang, Young-Il Park, So-Ryeon Hwang, Hee Yi, Nga Tham, Hyun-Ok Ku, Jae-Young Song, Hwan-Goo Kang
BACKGROUND: Pluripotent stem cells (PSCs) such as embryonic stem cells and induced pluripotent stem cells are promising target cells for cell regenerative medicine together with recently advanced technology of in-vitro differentiation. However, residual undifferentiated stem cells (USCs) during in-vitro differentiation are considered a potential risk for development of cancer cells and nonspecific lineage cell types. In this study we observed that USCs still exist during hepatic differentiation, consequently resulting in poor quality of the hepatic population and forming teratoma in vivo...
April 17, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28412348/closed-channel-culture-system-for-efficient-and-reproducible-differentiation-of-human-pluripotent-stem-cells-into-islet-cells
#15
Kunio Hirano, Shuhei Konagaya, Alexander Turner, Yuichiro Noda, Shigeru Kitamura, Hidetoshi Kotera, Hiroo Iwata
Human pluripotent stem cells (hPSCs) are thought to be a promising cell-source solution for regenerative medicine due to their indefinite proliferative potential and ability to differentiate to functional somatic cells. However, issues remain with regard to achieving reproducible differentiation of cells with the required functionality for realizing human transplantation therapies and with regard to reducing the potential for bacterial or fungal contamination. To meet these needs, we have developed a closed-channel culture device and corresponding control system...
April 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28411944/differentiation-of-amniotic-epithelial-cells-into-various-liver-cell-types-and-potential-therapeutic-applications
#16
Maura Fanti, Roberto Gramignoli, Monica Serra, Erika Cadoni, Stephen C Strom, Fabio Marongiu
The aim of Regenerative Medicine is to replace or regenerate human cells, tissues or organs in order to restore normal function. Among all organs, the liver is endowed with remarkable regenerative capacity. Nonetheless, there are conditions in which this ability is impaired, and the use of isolated cells, including stem cells, is being considered as a possible therapeutic tool for the management of chronic hepatic disease. Placenta holds great promise for the field of regenerative medicine. It has long been used for the treatment of skin lesions and in ophthalmology, due to its ability to modulate inflammation and promote healing...
March 30, 2017: Placenta
https://www.readbyqxmd.com/read/28404870/enhancing-regenerative-approaches-with-nanoparticles
#17
REVIEW
Sabine van Rijt, Pamela Habibovic
In this review, we discuss recent developments in the field of nanoparticles and their use in tissue regeneration approaches. Owing to their unique chemical properties and flexibility in design, nanoparticles can be used as drug delivery systems, to create novel features within materials or as bioimaging agents, or indeed these properties can be combined to create smart multifunctional structures. This review aims to provide an overview of this research field where the focus will be on nanoparticle-based strategies to stimulate bone regeneration; however, the same principles can be applied for other tissue and organ regeneration strategies...
April 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28403137/topological-defects-control-collective-dynamics-in-neural-progenitor-cell-cultures
#18
Kyogo Kawaguchi, Ryoichiro Kageyama, Masaki Sano
Cultured stem cells have become a standard platform not only for regenerative medicine and developmental biology but also for biophysical studies. Yet, the characterization of cultured stem cells at the level of morphology and macroscopic patterns resulting from cell-to-cell interactions remain largely qualitative. Here we report the collective motion of cultured neural progenitor cells (NPCs), which are multipotent stem cells that give rise to cells in the central nervous system[1]. At low densities, NPCs moved in an amoeba-like fashion and with random motion...
April 12, 2017: Nature
https://www.readbyqxmd.com/read/28401258/tumor-associated-myeloid-cells-as-guiding-forces-of-cancer-cell-stemness
#19
REVIEW
Antonio Sica, Chiara Porta, Alberto Amadori, Anna Pastò
Due to their ability to differentiate into various cell types and to support tissue regeneration, stem cells simultaneously became the holy grail of regenerative medicine and the evil obstacle in cancer therapy. Several studies have investigated niche-related conditions that favor stemness properties and increasingly emphasized their association with an inflammatory environment. Tumor-associated macrophages (TAMs) and myeloid-derived suppressor cells (MDSCs) are major orchestrators of cancer-related inflammation, able to dynamically express different polarized inflammatory programs that promote tumor outgrowth, including tumor angiogenesis, immunosuppression, tissue remodeling and metastasis formation...
April 11, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28401032/modern-trends-in-lipomodeling
#20
REVIEW
Ahmed Hassan El-Sabbagh
Lipomodeling is the process of relocating autologous fat to change the shape, volume, consistency, and profile of tissues, with the aim of reconstructing, rejuvenating, and regenerating body features. There have been several important advancements in lipomodeling procedures during the last thirty years. Four clinical steps are important for the success of engraftment: fat harvesting, fat processing, fat reinjection, and preconditioning of the recipient site. With the discovery of adipose derived stem cells and dedifferentiated cells, fat cells become a major tool of regenerative medicine...
2017: GMS Interdisciplinary Plastic and Reconstructive Surgery DGPW
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