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regenerative medicine with stem cells

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https://www.readbyqxmd.com/read/28820434/neuroprotective-and-nerve-regenerative-approaches-for-treatment-of-erectile-dysfunction-after-cavernous-nerve-injury
#1
REVIEW
Jeffrey D Campbell, Arthur L Burnett
Erectile dysfunction (ED) is a significant cause of reduced quality of life in men and their partners. Cavernous nerve injury (CNI) during pelvic surgery results in ED in greater than 50% of patients, regardless of additional patient factors. ED related to CNI is difficult to treat and typically poorly responsive to first- and second-line therapeutic options. Recently, a significant amount of research has been devoted to exploring neuroprotective and neuroregenerative approaches to salvage erectile function in patients with CNI...
August 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28815441/pluripotent-stem-cells-in-adult-tissues-struggling-to-be-acknowledged-over-two-decades
#2
REVIEW
Deepa Bhartiya
Stem cells have fascinated scientists for a long time and huge research efforts have been put into them as they have the potential to regenerate diseased organs. Besides embryonic stem cells (ES) and induced pluripotent stem cells (iPS), it has been postulated that pluripotent stem cells (PSCs) may also exist in various adult tissues. They are thought to be more primitive than the adult stem cells (ASCs), serve as a backup pool to give rise to ASCs and thus play a crucial role in maintaining life-long homeostasis...
August 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28815178/stem-cell-manipulation-gene-therapy-and-the-risk-of-cancer-stem-cell-emergence
#3
REVIEW
Flora Clément, Elodie Grockowiak, Florence Zylbersztejn, Gaëlle Fossard, Stéphanie Gobert, Véronique Maguer-Satta
Stem cells (SCs) have been extensively studied in the context of regenerative medicine. Human hematopoietic stem cell (HSC)-based therapies have been applied to treat leukemic patients for decades. Handling of mesenchymal stem cells (MSCs) has also raised hopes and concerns in the field of tissue engineering. Lately, discovery of cell reprogramming by Yamanaka's team has profoundly modified research strategies and approaches in this domain. As we gain further insight into cell fate mechanisms and identification of key actors and parameters, this also raises issues as to the manipulation of SCs...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28814957/induced-pluripotent-stem-cell-for-the-study-and-treatment-of-sickle-cell-anemia
#4
Luiza Cunha Junqueira Reis, Virgínia Picanço-Castro, Bárbara Cristina Martins Fernandes Paes, Olívia Ambrozini Pereira, Isabela Gerdes Gyuricza, Fabiano Tófoli de Araújo, Mariana Morato-Marques, Lílian Figueiredo Moreira, Everton de Brito Oliveira Costa, Tálita Pollyanna Moreira Dos Santos, Dimas Tadeu Covas, Lygia da Veiga Pereira Carramaschi, Elisa Maria de Sousa Russo
Sickle cell anemia (SCA) is a monogenic disease of high mortality, affecting millions of people worldwide. There is no broad, effective, and safe definitive treatment for SCA, so the palliative treatments are the most used. The establishment of an in vitro model allows better understanding of how the disease occurs, besides allowing the development of more effective tests and treatments. In this context, iPSC technology is a powerful tool for basic research and disease modeling, and a promise for finding and screening more effective and safe drugs, besides the possibility of use in regenerative medicine...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28814956/rapid-rapamycin-only-induced-osteogenic-differentiation-of-blood-derived-stem-cells-and-their-adhesion-to-natural-and-artificial-scaffolds
#5
Carpentieri Arianna, Cozzoli Eliana, Acri Flavio, Ranalli Marco, Diedenhofen Giacomo, Scimeca Manuel, Bonanno Elena, Gambacurta Alessandra
Stem cells are a centerpiece of regenerative medicine research, and the recent development of adult stem cell-based therapy systems has vigorously expanded the scope and depth of this scientific field. The regeneration of damaged and/or degraded bone tissue in orthopedic, dental, or maxillofacial surgery is one of the main areas where stem cells and their regenerative potential could be used successfully, requiring tissue engineering solutions incorporating an ideal stem cell type paired with the correct mechanical support...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28812219/eminent-sources-of-adult-mesenchymal-stem-cells-and-their-therapeutic-imminence
#6
REVIEW
Dannie Macrin, Joel P Joseph, Aruthra Arumugam Pillai, Arikketh Devi
In the recent times, stem cell biology has garnered the attention of the scientific fraternity and the general public alike due to the immense therapeutic potential that it holds in the field of regenerative medicine. A breakthrough in this direction came with the isolation of stem cells from human embryo and their differentiation into cell types of all three germ layers. However, the isolation of mesenchymal stem cells from adult tissues proved to be advantageous over embryonic stem cells due to the ethical and immunological naivety...
August 15, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28811868/selaginella-bryopteris-aqueous-extract-improves-stability-and-function-of-cryopreserved-human-mesenchymal-stem-cells
#7
Abhishek Kumar Singh, Anubhuti Jha, Arindam Bit, Andrey P Kiassov, Albert A Rizvanov, Archit Ojha, Pooja Bhoi, Pradeep Kumar Patra, Awanish Kumar, Akalabya Bissoyi
The effective long-term cryopreservation of human mesenchymal stem cells (MSCs) is an essential prerequisite step and represents a critical approach for their sustained supply in basic research, regenerative medicine, and tissue engineering applications. Therefore, attempts have been made in the present investigation to formulate a freezing solution consisting of a combination of Selaginella bryopteris water-soluble extract with and without dimethyl sulfoxide (Me2SO) for the efficient long-term storage of human umbilical cord blood- (hUCB-) derived MSCs...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28811674/regenerative-medicine-and-cell-based-approaches-to-restore-pancreatic-function
#8
REVIEW
Cara Ellis, Adam Ramzy, Timothy J Kieffer
The pancreas is a complex organ with exocrine and endocrine components. Many pathologies impair exocrine function, including chronic pancreatitis, cystic fibrosis and pancreatic ductal adenocarcinoma. Conversely, when the endocrine pancreas fails to secrete sufficient insulin, patients develop diabetes mellitus. Pathology in either the endocrine or exocrine pancreas results in devastating economic and personal consequences. The current standard therapy for treating patients with type 1 diabetes mellitus is daily exogenous insulin injections, but cell sources of insulin provide superior glycaemic regulation and research is now focused on the goal of regenerating or replacing β cells...
August 16, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28808812/antioxidant-effects-of-chrysin-loaded-electrospun-nanofibrous-mats-on-proliferation-and-stemness-preservation-of-human-adipose-derived-stem-cells
#9
Yaghoub Deldar, Faraz Zarghami, Younes Pilehvar-Soltanahmadi, Mehdi Dadashpour, Nosratollah Zarghami
An ideal biomaterial in regenerative medicine should be able to regulate the stem cell proliferation without the loss of its pluripotency. Chrysin (Chr) is a naturally occurring flavone with a wide spectrum of biological functions including anti-inflammatory and anti-oxidant properties. The present study describes the influence of Chr-loaded nanofibrous mats on the regulation of proliferation and stemness preservation of adipose-derived stem cells (ADSCs). For this purpose, Chr-loaded poly (ε-caprolactone)/poly (ethylene glycol) (PCL/PEG) nanofibrous mats were produced via electrospinning process and the successful fabrication of these bioactive mats was confirmed by field emission scanning electron microscopy (FE-SEM) and fourier transform infrared spectroscopy...
August 14, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28807603/stem-cell-industry-update-2012-to-2016-reveals-accelerated-investment-but-market-capitalization-and-earnings-lag
#10
Mitchell Ng, Simon Song, Nicolas S Piuzzi, Kenneth Ng, Chukwuweike Gwam, Michael A Mont, George F Muschler
Treatments based on stem cells have long been heralded for their potential to drive the future of regenerative medicine and have inspired increasing medical and business interest. The stem cell therapy market has been expanding since 2012, but earnings and profitability still lag the broader health care sector (compounded annual growth rate in annual financing of 31.5% versus 13.4%, respectively). On the basis of historical financial data, approximately $23 billion has been invested in stem cell companies since 1994, with more than 80% of this raised from 2011 through 2016...
August 11, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28800464/accelerated-biomineralization-of-graphene-oxide-incorporated-cellulose-acetate-nanofibrous-scaffolds-for-mesenchymal-stem-cell-osteogenesis
#11
Xiaoyun Liu, He Shen, Saijie Song, Wei Chen, Zhijun Zhang
For bone tissue engineering, it requires that the scaffolds have excellent biocompatibility, proper mechanical and osteoinductive properties. Electrospun nanofibers with extracellular matrices mimicking structure have proven to be good scaffolds for bone tissue repairing. Hybrid nanofibers in particular, endow the nanofibers with specific and multiple functionalities, and therefore have attracted increasing interests in the recent years. In this study, we fabricated graphene oxide (GO)-incorporated cellulose acetate (CA) nanofibrous scaffolds by electrospinning technique for enhancement of biomineralization and osteogenic differentiation of human mesenchymal stem cells (hMSCs)...
July 29, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28798327/assessing-cell-nanoparticle-interactions-by-high-content-imaging-of-biocompatible-iron-oxide-nanoparticles-as-potential-contrast-agents-for-magnetic-resonance-imaging
#12
Roxanne Hachani, Martin A Birchall, Mark W Lowdell, Georgios Kasparis, Le D Tung, Bella B Manshian, Stefaan J Soenen, Willy Gsell, Uwe Himmelreich, Codi A Gharagouzloo, Srinivas Sridhar, Nguyen T K Thanh
Stem cell tracking in cellular therapy and regenerative medicine is an urgent need, superparamagnetic iron oxide nanoparticles (IONPs) could be used as contrast agents in magnetic resonance imaging (MRI) that allows visualization of the implanted cells ensuring they reach the desired sites in vivo. Herein, we report the study of the interaction of 3,4-dihydroxyhydrocinnamic acid (DHCA) functionalized IONPs that have desirable properties for T2 - weighted MRI, with bone marrow-derived primary human mesenchymal stem cells (hMSCs)...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28793833/synergistic-therapeutic-effect-of-three-dimensional-stem-cell-clusters-and-angiopoietin-1-on-promoting-vascular-regeneration-in-ischemic-region
#13
Jungmi Kang, Jeong-Kee Yoon, Seung Ja Oh, Byung-Soo Kim, Sang-Heon Kim
Peripheral artery disease (PAD) is an ischemic disease characterized by reduced blood flow to the legs, feet, and hands. Human mesenchymal stem cells (MSCs) are an attractive cell source to treat PAD in regenerative medicine. However, in clinical applications, the use of adult stem cells has several limitations, such as low cell viability and low therapeutic efficiency. In the present study, we described an innovative method of culturing three-dimensional stem cell clusters (AngioclusterTM, AC), demonstrated the potential for ACs to differentiate into vascular cells, and assessed the synergistic effects of ACs and angiopoietin-1 (Ang-1) on angiogenesis in ischemic animal models...
August 10, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28792664/collagen-coated-nano-electrospun-pcl-seeded-with-human-endometrial-stem-cells-for-skin-tissue-engineering-applications
#14
Shiva Sharif, Jafar Ai, Mahmoud Azami, Javad Verdi, Mohammad Ali Atlasi, Sadegh Shirian, Ali Samadikuchaksaraei
Human endometrial stem cells (hEnSCs) are known as an attractive source of stem cells for regenerative medicine. hEnSCs are easily isolated and are capable of repairing uterine through their strong ability of creating new capillaries. In this study, a three-dimensional (3D) nanofibrous polycaprolactone (PCL)/collagen scaffold was fabricated and characterized in order to be applied as a new approach for skin reconstruction. Furthermore, the behavior of hEnSCs on this scaffold was investigated. First, a PCL 3D scaffold was constructed using electrospinning technique...
August 9, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28792626/advanced-three-dimensional-culture-of-equine-intestinal-epithelial-stem-cells
#15
A Stieler Stewart, J M Freund, L M Gonzalez
BACKGROUND: Intestinal epithelial stem cells are critical to epithelial repair following gastrointestinal injury. The culture of intestinal stem cells has quickly become a cornerstone of a vast number of new research endeavours that range from determining tissue viability to testing drug efficacy for humans. This study aims to describe the methods of equine stem cell culture and highlights the future benefits of these techniques for the advancement of equine medicine. OBJECTIVES: To describe the isolation and culture of small intestinal stem cells into three-dimensional (3D) enteroids in horses without clinical gastrointestinal abnormalities...
August 9, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28791807/proceedings-regenerative-medicine-for-lung-diseases-a-cirm-workshop-report
#16
Lisa C Kadyk, Natalie D DeWitt, Brigitte Gomperts
The mission of the California Institute of Regenerative Medicine (CIRM) is to accelerate treatments to patients with unmet medical needs. In September 2016, CIRM sponsored a workshop held at the University of California, Los Angeles to discuss regenerative medicine approaches for treatment of lung diseases, and to identify the challenges remaining for advancing such treatments to the clinic and market approval. Workshop participants discussed current preclinical and clinical approaches to regenerative medicine in the lung, as well as the biology of lung stem cells and the role of stem cells in the etiology of various lung diseases...
August 9, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28791361/gold-nanoparticles-promote-osteogenic-differentiation-of-human-periodontal-ligament-stem-cells-via-the-p38-mapk-signaling-pathway
#17
Chenguang Niu, Keyong Yuan, Rui Ma, Li Gao, Wenxin Jiang, Xuchen Hu, Wenzhen Lin, Xiaoling Zhang, Zhengwei Huang
Gold nanoparticles (AuNPs) are a promising material for use in regenerative medicine due to their biocompatibility and easy functionalization with biomolecules including growth factors, DNA and peptides. In the present study, transmission electron microscopy indicated that the AuNPs were monodisperse and spherical in shape, with an estimated average diameter of 13 nm. And the cellular effects of AuNPs on the osteogenic differentiation of human periodontal ligament stem cells (hPDLSCs) and the associated signaling pathways in cell differentiation were investigated based on histochemical analysis of alkaline phosphatase activity and mineralization, quantitative polymerase chain reaction, and western blotting...
August 4, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28790931/microtissues-enhance-smooth-muscle-differentiation-and-cell-viability-of-hadscs-for-three-dimensional-bioprinting
#18
Jin Yipeng, Xu Yongde, Wu Yuanyi, Sun Jilei, Guo Jiaxiang, Gao Jiangping, Yang Yong
Smooth muscle differentiated human adipose derived stem cells (hADSCs) provide a crucial stem cell source for urinary tissue engineering, but the induction of hADSCs for smooth muscle differentiation still has several issues to overcome, including a relatively long induction time and equipment dependence, which limits access to abundant stem cells within a short period of time for further application. Three-dimensional (3D) bioprinting holds great promise in regenerative medicine due to its controllable construction of a designed 3D structure...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28782725/the-bio-in-the-ink-cartilage-regeneration-with-bioprintable-hydrogels-and-articular-cartilage-derived-progenitor-cells
#19
Riccardo Levato, William R Webb, Iris A Otto, Anneloes Mensinga, Yadan Zhang, Mattie van Rijen, René van Weeren, Ilyas M Khan, Jos Malda
Cell-laden hydrogels are the primary building blocks for bioprinting, and, also termed bioinks, are the foundations for creating structures that can potentially recapitulate the architecture of articular cartilage. To be functional, hydrogel constructs need to unlock the regenerative capacity of encapsulated cells. The recent identification of multipotent articular cartilage-resident chondroprogenitor cells (ACPCs), which share important traits with adult stem cells, represents a new opportunity for cartilage regeneration...
August 4, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28777301/in-situ-forming-gelatin-hydrogels-directed-angiogenic-differentiation-and-activity-of-patient-derived-human-mesenchymal-stem-cells
#20
Yunki Lee, Daniel A Balikov, Jung Bok Lee, Sue Hyun Lee, Seung Hwan Lee, Jong Hun Lee, Ki Dong Park, Hak-Joon Sung
Directing angiogenic differentiation of mesenchymal stem cells (MSCs) still remains challenging for successful tissue engineering. Without blood vessel formation, stem cell-based approaches are unable to fully regenerate damaged tissues due to limited support for cell viability and desired tissue/organ functionality. Herein, we report in situ cross-linkable gelatin-hydroxyphenyl propionic acid (GH) hydrogels that can induce pro-angiogenic profiles of MSCs via purely material-driven effects. This hydrogel directed endothelial differentiation of mouse and human patient-derived MSCs through integrin-mediated interactions at the cell-material interface, thereby promoting perfusable blood vessel formation in vitro and in vivo...
August 4, 2017: International Journal of Molecular Sciences
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