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Stem Cells International

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https://www.readbyqxmd.com/read/28706537/can-human-embryonic-stem-cell-derived-stromal-cells-serve-a-starting-material-for-myoblasts
#1
Yu Ando, Marie Saito, Masakazu Machida, Chikako Yoshida-Noro, Hidenori Akutsu, Masataka Takahashi, Masashi Toyoda, Akihiro Umezawa
A large number of myocytes are necessary to treat intractable muscular disorders such as Duchenne muscular dystrophy with cell-based therapies. However, starting materials for cellular therapy products such as myoblasts, marrow stromal cells, menstrual blood-derived cells, and placenta-derived cells have a limited lifespan and cease to proliferate in vitro. From the viewpoints of manufacturing and quality control, cells with a long lifespan are more suitable as a starting material. In this study, we generated stromal cells for future myoblast therapy from a working cell bank of human embryonic stem cells (ESCs)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28698720/corrigendum-to-therapeutic-potential-of-olfactory-ensheathing-cells-and-mesenchymal-stem-cells-in-spinal-cord-injuries
#2
Anna Zadroga, Katarzyna Jezierska-Woźniak, Joanna Czarzasta, Monika Barczewska, Joanna Wojtkiewicz, Wojciech Maksymowicz
[This corrects the article DOI: 10.1155/2017/3978595.].
2017: Stem Cells International
https://www.readbyqxmd.com/read/28698719/long-term-safety-of-transplanting-human-bone-marrow-stromal-cells-into-the-extravascular-spaces-of-the-choroid-of-rabbits
#3
Adi Tzameret, Sapir E Kalish, Ifat Sher, Lea Twito, Amilia Meir, Itay Levy, Shlomo Margel, Iris Moroz, Mordechai Rosner, Avraham J Treves, Arnon Nagler, Michael Belkin, Ygal Rotenstreich
Incurable neuroretinal degeneration diseases cause severe vision loss and blindness in millions of patients worldwide. In previous studies, we demonstrated that transplanting human bone marrow stromal cells (hBMSCs) in the extravascular spaces of the choroid (EVSC) of the Royal College of Surgeon rats ameliorated retinal degeneration for up to 5 months. Assessing the safety of hBMSC treatment and graft survival in a large animal is a crucial step before initiating clinical trials. Here, we transplanted hBMSCs into the EVSC compartment of New Zealand White rabbits...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28698718/the-holy-grail-of-orthopedic-surgery-mesenchymal-stem-cells-their-current-uses-and-potential-applications
#4
REVIEW
Roberto Berebichez-Fridman, Ricardo Gómez-García, Julio Granados-Montiel, Enrique Berebichez-Fastlicht, Anell Olivos-Meza, Julio Granados, Cristina Velasquillo, Clemente Ibarra
Only select tissues and organs are able to spontaneously regenerate after disease or trauma, and this regenerative capacity diminishes over time. Human stem cell research explores therapeutic regenerative approaches to treat various conditions. Mesenchymal stem cells (MSCs) are derived from adult stem cells; they are multipotent and exert anti-inflammatory and immunomodulatory effects. They can differentiate into multiple cell types of the mesenchyme, for example, endothelial cells, osteoblasts, chondrocytes, fibroblasts, tenocytes, vascular smooth muscle cells, and sarcomere muscular cells...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28698717/from-blood-to-lesioned-brain-an-in-vitro-study-on-migration-mechanisms-of-human-nasal-olfactory-stem-cells
#5
Stéphane D Girard, Isabelle Virard, Emmanuelle Lacassagne, Jean-Michel Paumier, Hanae Lahlou, Françoise Jabes, Yves Molino, Delphine Stephan, Kevin Baranger, Maya Belghazi, Arnaud Deveze, Michel Khrestchatisky, Emmanuel Nivet, François S Roman, François Féron
Stem cell-based therapies critically rely on selective cell migration toward pathological or injured areas. We previously demonstrated that human olfactory ectomesenchymal stem cells (OE-MSCs), derived from an adult olfactory lamina propria, migrate specifically toward an injured mouse hippocampus after transplantation in the cerebrospinal fluid and promote functional recoveries. However, the mechanisms controlling their recruitment and homing remain elusive. Using an in vitro model of blood-brain barrier (BBB) and secretome analysis, we observed that OE-MSCs produce numerous proteins allowing them to cross the endothelial wall...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28694827/preferred-m2-polarization-by-asc-based-hydrogel-accelerated-angiogenesis-and-myogenesis-in-volumetric-muscle-loss-rats
#6
Hong Huang, Jiejie Liu, Haojie Hao, Deyun Chen, Ling Zhizhong, Meirong Li, Haijing Song, Rong Xiang, Chaoguang Jiang, Xiaobing Fu, Weidong Han
Volumetric muscle loss (VML) injury resulted from massive muscle defects and diseases for which there are still no effective therapeutic treatments. This study aimed to investigate the effects of rat adipose-derived mesenchymal stem cells (rASCs) and rASCs-conditioned medium- (CM-) based type I collagen hydrogel on macrophage (MP) transition, myogenesis, and vascularization in the rat VML model. Laser Doppler results demonstrated much higher blood flow in the rASC- and CM-based hydrogel groups. qRT-PCR, hematoxylin and eosin, immunofluorescence, and Sirius Red staining manifested that both rASCs and CM-based hydrogel implantation accelerated muscle repair with upregulated angiogenesis and myogenesis, attenuated inflammation while facilitating M2 transition, and decreased the collagen deposition compared with the hydrogel group...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28690641/prostate-cancer-stem-cell-markers-drive-progression-therapeutic-resistance-and-bone-metastasis
#7
REVIEW
Koran S Harris, Bethany A Kerr
Metastatic or recurrent tumors are the primary cause of cancer-related death. For prostate cancer, patients diagnosed with local disease have a 99% 5-year survival rate; however, this 5-year survival rate drops to 28% in patients with metastatic disease. This dramatic decline in survival has driven interest in discovering new markers able to identify tumors likely to recur and in developing new methods to prevent metastases from occurring. Biomarker discovery for aggressive tumor cells includes attempts to identify cancer stem cells (CSCs)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28690640/wdr62-regulates-early-neural-and-glial-progenitor-specification-of-human-pluripotent-stem-cells
#8
Abdullah J Alshawaf, Ana Antonic, Efstratios Skafidas, Dominic Chi-Hung Ng, Mirella Dottori
Mutations in WD40-repeat protein 62 (WDR62) are commonly associated with primary microcephaly and other developmental cortical malformations. We used human pluripotent stem cells (hPSC) to examine WDR62 function during human neural differentiation and model early stages of human corticogenesis. Neurospheres lacking WDR62 expression showed decreased expression of intermediate progenitor marker, TBR2, and also glial marker, S100β. In contrast, inhibition of c-Jun N-terminal kinase (JNK) signalling during hPSC neural differentiation induced upregulation of WDR62 with a corresponding increase in neural and glial progenitor markers, PAX6 and EAAT1, respectively...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28684962/nanog-dynamics-in-mouse-embryonic-stem-cells-results-from-systems-biology-approaches
#9
REVIEW
Lucia Marucci
Mouse embryonic stem cells (mESCs), derived from the inner cell mass of the blastocyst, are pluripotent stem cells having self-renewal capability and the potential of differentiating into every cell type under the appropriate culture conditions. An increasing number of reports have been published to uncover the molecular mechanisms that orchestrate pluripotency and cell fate specification using combined computational and experimental methodologies. Here, we review recent systems biology approaches to describe the causes and functions of gene expression heterogeneity and complex temporal dynamics of pluripotency markers in mESCs under uniform culture conditions...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28680446/donor-selection-for-allogenic-hemopoietic-stem-cell-transplantation-clinical-and-ethical-considerations
#10
REVIEW
Irene Riezzo, Natascha Pascale, Raffaele La Russa, Arcangelo Liso, Monica Salerno, Emanuela Turillazzi
Allogenic hematopoietic progenitor cell transplantation (allo-HSCT) is an established treatment for many diseases. Stem cells may be obtained from different sources: mobilized peripheral blood stem cells, bone marrow, and umbilical cord blood. The progress in transplantation procedures, the establishment of experienced transplant centres, and the creation of unrelated adult donor registries and cord blood banks gave those without an human leucocyte antigen- (HLA-) identical sibling donor the opportunity to find a donor and cord blood units worldwide...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28659978/cell-connections-by-tunneling-nanotubes-effects-of-mitochondrial-trafficking-on-target-cell-metabolism-homeostasis-and-response-to-therapy
#11
REVIEW
Marie-Luce Vignais, Andrés Caicedo, Jean-Marc Brondello, Christian Jorgensen
Intercellular communications play a major role in tissue homeostasis and responses to external cues. Novel structures for this communication have recently been described. These tunneling nanotubes (TNTs) consist of thin-extended membrane protrusions that connect cells together. TNTs allow the cell-to-cell transfer of various cellular components, including proteins, RNAs, viruses, and organelles, such as mitochondria. Mesenchymal stem cells (MSCs) are both naturally present and recruited to many different tissues where their interaction with resident cells via secreted factors has been largely documented...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28656050/mir-142-3p-contributes-to-early-cardiac-fate-decision-of-embryonic-stem-cells
#12
Zhong-Yan Chen, Fei Chen, Nan Cao, Zhi-Wen Zhou, Huang-Tian Yang
MicroRNAs (miRNAs) play important roles in cell fate decisions. However, the miRNAs and their targets involved in the regulation of cardiac lineage specification are largely unexplored. Here, we report novel functions of miR-142-3p in the regulation of cardiomyocyte differentiation from mouse embryonic stem cells (mESCs). With a miRNA array screen, we identified a number of miRNAs significantly changed during mESC differentiation into the mesodermal and cardiac progenitor cells, and miR-142-3p was one among the markedly downregulated miRNAs...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28642794/adipose-tissue-derived-mesenchymal-stem-cells-have-a-heterogenic-cytokine-secretion-profile
#13
Yongkang Wu, Martin J Hoogduijn, Carla C Baan, Sander S Korevaar, Ronella de Kuiper, Lin Yan, Lanlan Wang, Nicole M van Besouw
Mesenchymal stem cells derived from adipose tissue (ASC) have immune regulatory function, which makes them interesting candidates for cellular therapy. ASC cultures are however heterogeneous in phenotype. It is unclear whether all ASC contribute equally to immunomodulatory processes. ASC are also responsive to cytokine stimulation, which may affect the ratio between more and less potent ASC populations. In the present study, we determined IL-6 receptor (CD126 and CD130 subunits) and IFN-γ receptor (CD119) expression on ASC by flow cytometry...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28638414/an-examination-of-the-role-of-transcriptional-and-posttranscriptional-regulation-in-rhabdomyosarcoma
#14
REVIEW
Alexander J Hron, Atsushi Asakura
Rhabdomyosarcoma (RMS) is an aggressive family of soft tissue tumors that most commonly manifests in children. RMS variants express several skeletal muscle markers, suggesting myogenic stem or progenitor cell origin of RMS. In this review, the roles of both recently identified and well-established microRNAs in RMS are discussed and summarized in a succinct, tabulated format. Additionally, the subtypes of RMS are reviewed along with the involvement of basic helix-loop-helix (bHLH) proteins, Pax proteins, and microRNAs in normal and pathologic myogenesis...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28630630/roles-of-mesenchymal-stem-cells-in-spinal-cord-injury
#15
REVIEW
Jing Qu, Huanxiang Zhang
Spinal cord injury (SCI) represents one of the most complicated and heterogeneous pathological processes of central nervous system (CNS) impairments, which is still beyond functional regeneration. Transplantation of mesenchymal stem cells (MSCs) has been shown to promote the repair of the injured spinal cord tissues in animal models, and therefore, there is much interest in the clinical use of these cells. However, many questions which are essential to improve the therapy effects remain unanswered. For instance, the functional roles and related molecular regulatory mechanisms of MSCs in vivo are not yet completely determined...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28611846/safety-of-allogeneic-canine-adipose-tissue-derived-mesenchymal-stem-cell-intraspinal-transplantation-in-dogs-with-chronic-spinal-cord-injury
#16
Cláudia Cardoso Maciel Escalhão, Isalira Peroba Ramos, Camila Hochman-Mendez, Tais Hanae Kasai Brunswick, Sergio Augusto Lopes Souza, Bianca Gutfilen, Regina Coeli Dos Santos Goldenberg, Tatiana Coelho-Sampaio
This is a pilot clinical study primarily designed to assess the feasibility and safety of X-ray-guided percutaneous intraspinal injection of allogeneic canine adipose tissue-derived mesenchymal stem cells in dogs with chronic spinal cord injury. Six dogs with chronic paraplegia (≥six months) were intraparenchymally injected with allogeneic cells in the site of lesion. Cells were obtained from subcutaneous adipose tissue of a healthy dog, cultured to passage 3, labeled with (99m)Technetium, and transplanted into the lesion by percutaneous X-ray-guided injection...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28607562/cellular-reprogramming-genome-editing-and-alternative-crispr-cas9-technologies-for-precise-gene-therapy-of-duchenne-muscular-dystrophy
#17
REVIEW
Peter Gee, Huaigeng Xu, Akitsu Hotta
In the past decade, the development of two innovative technologies, namely, induced pluripotent stem cells (iPSCs) and the CRISPR Cas9 system, has enabled researchers to model diseases derived from patient cells and precisely edit DNA sequences of interest, respectively. In particular, Duchenne muscular dystrophy (DMD) has been an exemplary monogenic disease model for combining these technologies to demonstrate that genome editing can correct genetic mutations in DMD patient-derived iPSCs. DMD is an X-linked genetic disorder caused by mutations that disrupt the open reading frame of the dystrophin gene, which plays a critical role in stabilizing muscle cells during contraction and relaxation...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28607561/the-transcription-factor-nrf2-protects-angiogenic-capacity-of-endothelial-colony-forming-cells-in-high-oxygen-radical-stress-conditions
#18
Hendrik Gremmels, Olivier G de Jong, Diënty H Hazenbrink, Joost O Fledderus, Marianne C Verhaar
BACKGROUND: Endothelial colony forming cells (ECFCs) have shown a promise in tissue engineering of vascular constructs, where they act as endothelial progenitor cells. After implantation, ECFCs are likely to be subjected to elevated reactive oxygen species (ROS). The transcription factor Nrf2 regulates the expression of antioxidant enzymes in response to ROS. METHODS: Stable knockdown of Nrf2 and Keap1 was achieved by transduction with lentiviral shRNAs; activation of Nrf2 was induced by incubation with sulforaphane (SFN)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28607560/characterization-of-mesenchymal-stem-cell-like-cells-derived-from-human-ipscs-via-neural-crest-development-and-their-application-for-osteochondral-repair
#19
Ryota Chijimatsu, Makoto Ikeya, Yukihiko Yasui, Yasutoshi Ikeda, Kosuke Ebina, Yu Moriguchi, Kazunori Shimomura, David A Hart, Yoshikawa Hideki, Nakamura Norimasa
Mesenchymal stem cells (MSCs) derived from induced pluripotent stem cells (iPSCs) are a promising cell source for the repair of skeletal disorders. Recently, neural crest cells (NCCs) were reported to be effective for inducing mesenchymal progenitors, which have potential to differentiate into osteochondral lineages. Our aim was to investigate the feasibility of MSC-like cells originated from iPSCs via NCCs for osteochondral repair. Initially, MSC-like cells derived from iPSC-NCCs (iNCCs) were generated and characterized in vitro...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28607559/bone-marrow-aspirate-concentrate-enhanced-marrow-stimulation-of-chondral-defects
#20
REVIEW
Henning Madry, Liang Gao, Hermann Eichler, Patrick Orth, Magali Cucchiarini
Mesenchymal stem cells (MSCs) from bone marrow play a critical role in osteochondral repair. A bone marrow clot forms within the cartilage defect either as a result of marrow stimulation or during the course of the spontaneous repair of osteochondral defects. Mobilized pluripotent MSCs from the subchondral bone migrate into the defect filled with the clot, differentiate into chondrocytes and osteoblasts, and form a repair tissue over time. The additional application of a bone marrow aspirate (BMA) to the procedure of marrow stimulation is thought to enhance cartilage repair as it may provide both an additional cell population capable of chondrogenesis and a source of growth factors stimulating cartilage repair...
2017: Stem Cells International
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