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Stem Cells International

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https://www.readbyqxmd.com/read/28197209/effect-of-bmp-2-delivery-mode-on-osteogenic-differentiation-of-stem-cells
#1
Taekhee Jung, John Hwan Lee, Soonjung Park, Yong-Jin Kim, Joseph Seo, Hye-Eun Shim, Ki-Suk Kim, Hyon-Seok Jang, Hyung-Min Chung, Seong-Geun Oh, Sung-Hwan Moon, Sun-Woong Kang
Differentiation of stem cells is an important strategy for regeneration of defective tissue in stem cell therapy. Bone morphogenetic protein-2 (BMP-2) is a well-known osteogenic differentiation factor that stimulates stem cell signaling pathways by activating transmembrane type I and type II receptors. However, BMPs have a very short half-life and may rapidly lose their bioactivity. Thus, a BMP delivery system is required to take advantage of an osteoinductive effect for osteogenic differentiation. Previously, BMP delivery has been designed and evaluated for osteogenic differentiation, focusing on carriers and sustained release system for delivery of BMPs...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28197208/molecular-mutations-and-their-cooccurrences-in-cytogenetically-normal-acute-myeloid-leukemia
#2
REVIEW
Mengning Wang, Chuanwei Yang, Le Zhang, Dale G Schaar
Adult acute myeloid leukemia (AML) clinically is a disparate disease that requires intensive treatments ranging from chemotherapy alone to allogeneic hematopoietic cell transplantation (allo-HCT). Historically, cytogenetic analysis has been a useful prognostic tool to classify patients into favorable, intermediate, and unfavorable prognostic risk groups. However, the intermediate-risk group, consisting predominantly of cytogenetically normal AML (CN-AML), itself exhibits diverse clinical outcomes and requires further characterization to allow for more optimal treatment decision-making...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28194187/effect-of-hypoxia-on-the-differentiation-and-the-self-renewal-of-metanephrogenic-mesenchymal-stem-cells
#3
Shaopeng Liu, Nana Song, Jianqiang He, Xiaofang Yu, Jia Guo, Xiaoyan Jiao, Xiaoqiang Ding, Jie Teng
Hypoxia is an important and influential factor in development. The embryonic kidney is exposed to a hypoxic environment throughout its development. The Wnt/β-catenin pathway plays vital roles in the differentiation and self-renewal of metanephrogenic mesenchymal stem cells (MMSCs) from which the kidney is derived. Thus, we hypothesized that hypoxia can regulate the differentiation and pluripotency of MMSCs through the Wnt/β-catenin pathway. To test this hypothesis, MMSCs from rats at embryonic day 18.5 were cultured in normoxic (21% O2) and hypoxic (1% O2) conditions...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28194186/safety-and-effectiveness-of-bone-marrow-cell-concentrate-in-the-treatment-of-chronic-critical-limb-ischemia-utilizing-a-rapid-point-of-care-system
#4
Venkatesh Ponemone, Saniya Gupta, Dalip Sethi, Manish Suthar, Monika Sharma, Richard J Powell, Kenneth Lee Harris, Nungshi Jungla, Priyadarshini Arambam, Upendra Kaul, Ashok Seth, Suhail Bukhari
Critical limb ischemia (CLI) is the end stage of lower extremity peripheral vascular disease (PVD) in which severe obstruction of blood flow results in ischemic rest pain, ulcers and/or gangrene, and a significant risk of limb loss. This open-label, single-arm feasibility study evaluated the safety and therapeutic effectiveness of autologous bone marrow cell (aBMC) concentrate in revascularization of CLI patients utilizing a rapid point-of-care device. Seventeen (17) no-option CLI patients with ischemic rest pain were enrolled in the study...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28194185/osteopontin-relation-between-adipose-tissue-and-bone-homeostasis
#5
REVIEW
Carolina De Fusco, Antonietta Messina, Vincenzo Monda, Emanuela Viggiano, Fiorenzo Moscatelli, Anna Valenzano, Teresa Esposito, Chieffi Sergio, Giuseppe Cibelli, Marcellino Monda, Giovanni Messina
Osteopontin (OPN) is a multifunctional protein mainly associated with bone metabolism and remodeling. Besides its physiological functions, OPN is implicated in the pathogenesis of a variety of disease states, such as obesity and osteoporosis. Importantly, during the last decades obesity and osteoporosis have become among the main threats to health worldwide. Because OPN is a protein principally expressed in cells with multifaceted effects on bone morphogenesis and remodeling and because it seems to be one of the most overexpressed genes in the adipose tissue of the obese contributing to osteoporosis, this mini review will highlight recent insights about relation between adipose tissue and bone homeostasis...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28194184/signal-factors-secreted-by-2d-and-spheroid-mesenchymal-stem-cells-and-by-cocultures-of-mesenchymal-stem-cells-derived-microvesicles-and-retinal-photoreceptor-neurons
#6
Lili Xie, Mao Mao, Liang Zhou, Lusi Zhang, Bing Jiang
We aim to identify levels of signal factors secreted by MSCs cultured in 2D monolayers (2D-MSCs), spheroids (spheroids MSCs), and cocultures of microvesicles (MVs) derived from 2D-MSCs or spheroid MSCs and retinal photoreceptor neurons. We seeded 2D-MSCs, spheroid MSCs, and cells derived from spheroids MSCs at equal numbers. MVs isolated from all 3 culture conditions were incubated with 661W cells. Levels of 51 signal factors in conditioned medium from those cultured conditions were quantified with bead-based assay...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28194183/regulation-of-stem-cell-properties-of-m%C3%A3-ller-glia-by-jak-stat-and-mapk-signaling-in-the-mammalian-retina
#7
REVIEW
Krista M Beach, Jianbo Wang, Deborah C Otteson
In humans and other mammals, the neural retina does not spontaneously regenerate, and damage to the retina that kills retinal neurons results in permanent blindness. In contrast to embryonic stem cells, induced pluripotent stem cells, and embryonic/fetal retinal stem cells, Müller glia offer an intrinsic cellular source for regenerative strategies in the retina. Müller glia are radial glial cells within the retina that maintain retinal homeostasis, buffer ion flux associated with phototransduction, and form the blood/retinal barrier within the retina proper...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28194182/bone-microenvironment-stem-cells-and-bone-tissue-regeneration
#8
EDITORIAL
ZuFu Lu, Jenneke Kleine-Nulend, Bin Li
No abstract text is available yet for this article.
2017: Stem Cells International
https://www.readbyqxmd.com/read/28191018/thymosin-%C3%AE-4-improves-differentiation-and-vascularization-of-ehts
#9
Tilman Ziegler, Rabea Hinkel, Andrea Stöhr, Thomas Eschenhagen, Karl-Ludwig Laugwitz, Ferdinand le Noble, Robert David, Arne Hansen, Christian Kupatt
Induced pluripotent stem cells (iPSC) constitute a powerful tool to study cardiac physiology and represents a promising treatment strategy to tackle cardiac disease. However, iPSCs remain relatively immature after differentiation. Additionally, engineered heart tissue (EHT) has been investigated as a therapy option in preclinical disease models with promising results, although their vascularization and functionality leave room for improvement. Thymosin β4 (Tβ4) has been shown to promote the differentiation of progenitor cell lines to cardiomyocytes while it also induces angiogenic sprouting and vascular maturation...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28191017/mouse-mesenchymal-progenitor-cells-expressing-adipogenic-and-osteogenic-transcription-factors-suppress-the-macrophage-inflammatory-response
#10
Natalie Fernandez, Heather Renna, Lauren McHugh, Katie Mazolkova, William Crugnola, Jodi F Evans
Mesenchymal progenitor cell characteristics that can identify progenitor populations with specific functions in immunity are actively being investigated. Progenitors from bone marrow and adipose tissue regulate the macrophage (MΦ) inflammatory response by promoting the switch from an inflammatory to an anti-inflammatory phenotype. Conversely, mesenchymal progenitors from the mouse aorta (mAo) support and contribute to the MΦ response under inflammatory conditions. We used cell lines with purported opposing immune-regulatory function, a bone marrow derived mesenchymal progenitor cell line (D1) and a mouse aorta derived mesenchymal progenitor cell line (mAo)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28182106/tnf-%C3%AE-induced-the-enhanced-apoptosis-of-mesenchymal-stem-cells-in-ankylosing-spondylitis-by-overexpressing-trail-r2
#11
Zhenhua Liu, Liangbin Gao, Peng Wang, Zhongyu Xie, Shuizhong Cen, Yuxi Li, Xiaohua Wu, Le Wang, Hongjun Su, Wen Deng, Shan Wang, Deng Li, Jinteng Li, Yi Ouyang, Yanfeng Wu, Huiyong Shen
Ankylosing spondylitis (AS) is an autoimmune disease with unknown etiology. Dysregulated mesenchymal stem cells (MSCs) apoptosis may contribute to the pathogenesis of autoimmune diseases. However, apoptosis of MSCs from patients with AS (ASMSCs) has not been investigated yet. The present study aims to assess the apoptosis of bone marrow-derived ASMSCs and to investigate the underlying mechanisms of altered ASMSCs apoptosis. We successfully induced the apoptosis of ASMSCs and MSCs from healthy donors (HDMSCs) using the combination of tumor necrosis factor alpha (TNF-α) and cycloheximide (CHX)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28167967/enhancement-of-anti-inflammatory-and-osteogenic-abilities-of-mesenchymal-stem-cells-via-cell-to-cell-adhesion-to-periodontal-ligament-derived-fibroblasts
#12
Keita Suzuki, Naoyuki Chosa, Shunsuke Sawada, Naoki Takizawa, Takashi Yaegashi, Akira Ishisaki
Mesenchymal stem cells (MSCs) are involved in anti-inflammatory events and tissue repair; these functions are activated by their migration or homing to inflammatory tissues in response to various chemokines. However, the mechanism by which MSCs interact with other cell types in inflammatory tissue remains unclear. We investigated the role of periodontal ligament fibroblasts (PDL-Fs) in regulating the anti-inflammatory and osteogenic abilities of bone marrow-derived- (BM-) MSCs. The expression of monocyte chemotactic protein- (MCP-)1 was significantly enhanced by stimulation of PDL-Fs with inflammatory cytokines...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28163724/kindlin-2-modulates-the-survival-differentiation-and-migration-of-induced-pluripotent-cell-derived-mesenchymal-stromal-cells
#13
Mohsen Moslem, Reto Eggenschwiler, Christian Wichmann, Raymund Buhmann, Tobias Cantz, Reinhard Henschler
Kindlin-2 is a multidomain intracellular protein that can be recruited to β-integrin domains to activate signaling, initiate transcriptional programs, and bind to E-cadherin. To explore its involvement in cell fate decisions in mesenchymal cells, we studied the effects of Kindlin-2 modification (overexpression/knockdown) in induced pluripotent cell-derived mesenchymal stromal cells (iPSC-MSCs). Kindlin-2 overexpression resulted in increased proliferation and reduced apoptosis of iPSC-MSCs, as well as inhibition of their differentiation towards osteocytes, adipocytes, and chondrocytes...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28163723/activin-a-modulates-cripto-1-hnf4%C3%AE-cells-to-guide-cardiac-differentiation-from-human-embryonic-stem-cells
#14
Robin Duelen, Guillaume Gilbert, Abdulsamie Patel, Nathalie de Schaetzen, Liesbeth De Waele, Llewelyn Roderick, Karin R Sipido, Catherine M Verfaillie, Gunnar M Buyse, Lieven Thorrez, Maurilio Sampaolesi
The use of human pluripotent stem cells in basic and translational cardiac research requires efficient differentiation protocols towards cardiomyocytes. In vitro differentiation yields heterogeneous populations of ventricular-, atrial-, and nodal-like cells hindering their potential applications in regenerative therapies. We described the effect of the growth factor Activin A during early human embryonic stem cell fate determination in cardiac differentiation. Addition of high levels of Activin A during embryoid body cardiac differentiation augmented the generation of endoderm derivatives, which in turn promoted cardiomyocyte differentiation...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28163722/aryl-hydrocarbon-receptor-and-stem-cells
#15
EDITORIAL
Thomas A Gasiewicz, Kameshwar P Singh, Fanny L Casado
No abstract text is available yet for this article.
2017: Stem Cells International
https://www.readbyqxmd.com/read/28133486/transcriptional-and-genomic-targets-of-neural-stem-cells-for-functional-recovery-after-hemorrhagic-stroke
#16
REVIEW
Le Zhang, Wenjing Tao, Hua Feng, Yujie Chen
Hemorrhagic stroke is a life-threatening disease characterized by a sudden rupture of cerebral blood vessels, and it is widely believed that neural cell death occurs after exposure to blood metabolites or subsequently damaged cells. Neural stem cells (NSCs), which maintain neurogenesis and are found in subgranular zone and subventricular zone, are thought to be an endogenous neuroprotective mechanism for these brain injuries. However, due to the complexity of NSCs and their microenvironment, current strategies cannot satisfactorily enhance functional recovery after hemorrhagic stroke...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28133485/adipose-derived-stem-cells-cocultured-with-chondrocytes-promote-the-proliferation-of-chondrocytes
#17
Jie Shi, Jiulong Liang, Bingyu Guo, Yu Zhang, Qiang Hui, Peng Chang, Kai Tao
Articular cartilage injury and defect caused by trauma and chronic osteoarthritis vascularity are very common, while the repair of injured cartilage remains a great challenge due to its limited healing capacity. Stem cell-based tissue engineering provides a promising treatment option for injured articular cartilage because of the cells potential for multiple differentiations. However, its application has been largely limited by stem cell type, number, source, proliferation, and differentiation. We hypothesized that (1) adipose-derived stem cells are ideal seed cells for articular cartilage repair because of their accessibility and abundance and (2) the microenvironment of articular cartilage could induce adipose-derived stem cells (ADSCs) to differentiate into chondrocytes...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28127310/biomedical-applications-of-dental-and-oral-derived-stem-cells
#18
EDITORIAL
Boon Chin Heng, Chengfei Zhang, Xuliang Deng, Yin Xiao, Alessandra Pisciotta, Fahad Kidwai, Thimios A Mitsiadis
No abstract text is available yet for this article.
2017: Stem Cells International
https://www.readbyqxmd.com/read/28115945/isolation-and-characterization-of-synovial-mesenchymal-stem-cell-derived-from-hip-joints-a-comparative-analysis-with-a-matched-control-knee-group
#19
Akihisa Hatakeyama, Soshi Uchida, Hajime Utsunomiya, Manabu Tsukamoto, Hirotaka Nakashima, Eiichiro Nakamura, Cecilia Pascual-Garrido, Ichiro Sekiya, Akinori Sakai
Purpose. To determine the characteristics of MSCs from hip and compare them to MSCs from knee. Methods. Synovial tissues were obtained from both the knee and the hip joints in 8 patients who underwent both hip and knee arthroscopies on the same day. MSCs were isolated from the knee and hip synovial samples. The capacities of MSCs were compared between both groups. Results. The number of cells per unit weight at passage 0 of synovium from the knee was significantly higher than that from the hip (P < 0.05)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28115944/molecular-imaging-of-stems-cells-in-vivo-tracking-and-clinical-translation
#20
EDITORIAL
Stefania Rizzo, Francesco Petrella, Letterio S Politi, Ping Wang
No abstract text is available yet for this article.
2017: Stem Cells International
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