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Mesenchymal stem cell

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https://www.readbyqxmd.com/read/27921242/human-mesenchymal-stem-cells-from-adipose-tissue-differentiated-into-neuronal-or-glial-phenotype-express-different-aquaporins
#1
Rosanna Avola, Adriana Carol Eleonora Graziano, Giovanna Pannuzzo, Venera Cardile
Aquaporins (AQPs) are 13 integral membrane proteins that provide selective pores for the rapid movement of water and other uncharged solutes, across cell membranes. Recently, AQPs have been focused for their role in production, circulation, and homeostasis of the cerebrospinal fluid and their importance in several human diseases is becoming clear. This study investigated the time course (0, 14, and 28 days) of AQP1, 4, 7, 8, and 9 during the neural differentiation of human mesenchymal stem cells (MSCs) from adipose tissue (AT)...
December 5, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27921202/endogenous-stem-cells-were-recruited-by-defocused-low-energy-shock-wave-in-treating-diabetic-bladder-dysfunction
#2
Yang Jin, Lina Xu, Yong Zhao, Muwen Wang, Xunbo Jin, Haiyang Zhang
Defocused low-energy shock wave (DLSW) has been shown effects on activating mesenchymal stromal cells (MSCs) in vitro. In this study, recruitment of endogenous stem cells was firstly examined as an important pathway during the healing process of diabetic bladder dysfunction (DBD) treated by DLSW in vivo. Neonatal rats received intraperitoneal injection of 5-ethynyl-2-deoxyuridine (EdU) and then DBD rat model was created by injecting streptozotocin. Four weeks later, DLSW treatment was performed. Afterward, their tissues were examined by histology...
December 5, 2016: Stem Cell Reviews
https://www.readbyqxmd.com/read/27921117/mcp1-triggers-monocyte-dysfunctions-during-abnormal-osteogenic-differentiation-of-mesenchymal-stem-cells-in-ankylosing-spondylitis
#3
Zhongyu Xie, Peng Wang, Jinteng Li, Yuxi Li, Shan Wang, Xiaohua Wu, Suhe Sun, Shuizhong Cen, Hongjun Su, Wen Deng, Zhenhua Liu, Yi Ouyang, Yanfeng Wu, Huiyong Shen
: Ankylosing spondylitis (AS) is a chronic inflammatory disease characterized by pathological osteogenesis and inflammation. However, the pathogenesis of AS and the pathological relationship between osteogenesis and inflammation in this disease remain largely unknown. Mesenchymal stem cells (MSCs) are multipotent progenitor cells capable of osteogenic differentiation and immunoregulation. Recently, we demonstrated that MSCs from AS patients (ASMSCs) have a greater potential for osteogenic differentiation than MSCs from healthy donors (HDMSCs), which therefore seems to be a component of pathological osteogenesis in AS...
December 5, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/27920525/fabrication-and-characterization-of-drug-loaded-nano-hydroxyapatite-polyamide-66-scaffolds-modified-with-carbon-nanotubes-and-silk-fibroin
#4
Meng-Zhu Yao, Ming-Yi Huang-Fu, Hui-Na Liu, Xia-Rong Wang, Xiaoxia Sheng, Jian-Qing Gao
Nano-hydroxyapatite/polyamide 66 (nHA/PA66) porous scaffolds were fabricated by a phase inversion method. Carbon nanotubes (CNTs) and silk fibroin (SF) were used to modify the surface of the nHA/PA66 scaffolds by freeze-drying and cross-linking. Dexamethasone was absorbed to the CNTs to promote the osteogenic differentiation of bone mesenchymal stem cells (BMSCs). The cell viability of BMSCs was investigated by changing the concentration of the CNT dispersion, and the most biocompatible scaffold was selected...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27919849/intraportal-mesenchymal-stem-cell-transplantation-prevents-acute-liver-failure-through-promoting-cell-proliferation-and-inhibiting-apoptosis
#5
Jian-Feng Sang, Xiao-Lei Shi, Bin Han, Tao Huang, Xu Huang, Hao-Zhen Ren, Yi-Tao Ding
BACKGROUND: Transplantation of mesenchymal stem cells (MSCs) has been regarded as a potential treatment for acute liver failure (ALF), but the optimal route was unknown. The present study aimed to explore the most effective MSCs transplantation route in a swine ALF model. METHODS: The swine ALF model induced by intravenous injection of D-Gal was treated by the transplantation of swine MSCs through four routes including intraportal injection (InP group), hepatic intra-arterial injection (AH group), peripheral intravenous injection (PV group) and intrahepatic injection (IH group)...
December 2016: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/27919839/heparin-hyaluronic-acid-hydrogel-for-efficient-cellular-activities-of-3d-encapsulated-adipose-derived-stem-cells
#6
Kihak Gwon, Eunsol Kim, Giyoong Tae
We have developed stem cell-responsive, heparin-hyaluronic acid (Hep-HA) hydrogel, crosslinked by thiolated heparin (Hep-SH) and methacrylated hyaluronic acid (HA-MA) via visible light mediated, thiol-ene reaction. Physical properties of the hydrogel (gelation time, storage modulus, and swelling ratio) were tunable by adjusting light intensity, initiator/polymer concentration, and precursor pH. Culture of human adipose derived mesenchymal stem cells (ADSCs) using this hydrogel was characterized and compared with the control hydrogels including Hep-PEG hydrogel, PEG-HA hydrogel...
December 2, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27918077/type-2-diabetes-inhibited-human-mesenchymal-stem-cells-angiogenic-response-by-over-activity-of-the-autophagic-pathway
#7
Aysa Rezabakhsh, Omid Cheraghi, Alireza Nourazarian, Mehdi Hassanpour, Masoumeh Kazemi, Shahrooz Ghaderi, Esmaeil Faraji, Reza Rahbarghazi, Çığır Biray Avci, Bakiye Goker Bagca, Alireza Garjani
The current study aimed to address the impact of serum from type 2 diabetes patients on the angiogenic properties of human bone marrow mesenchymal stem cells and its relationship to autophagy signaling. Human primary stem cells were enriched and incubated with serum from diabetic and normal subjects for 7 days. Compared to data from the control group, diabetic serum was found to induce a higher cellular death rate (p < 0.001) and apoptotic changes (p < 0.01). We also showed that diabetic condition significantly abolished angiogenesis tube formation on Matrigel substrate, decreased cell chemotaxis (p < 0...
December 5, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27917949/intravenous-hmscs-ameliorate-acute-pancreatitis-in-mice-via-secretion-of-tumor-necrosis-factor-%C3%AE-stimulated-gene-protein-6
#8
Zhigang He, Jie Hua, Daohai Qian, Jian Gong, Shengping Lin, Chenglei Xu, Ge Wei, Hongbo Meng, Tingsong Yang, Bo Zhou, Zhenshun Song
The administration of mesenchymal stem cells/multipotent mesenchymal stromal cells (MSCs) to enhance tissue repair is currently undergoing clinical trials. Some studies, including our previous work, have also revealed the beneficial effect of MSCs in severe acute pancreatitis (SAP); however, their mechanisms or mode of action remain controversial. In this study, we demonstrated that intravenously (i.v.)-administered human MSCs (hMSCs) remarkably promoted recovery from experimental SAP without significant engraftment of hMSCs in the damaged pancreas...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917866/umbilical-cord-derived-mesenchymal-stem-cells-instruct-monocytes-towards-an-il10-producing-phenotype-by-secreting-il6-and-hgf
#9
Yinan Deng, Yingcai Zhang, Linsen Ye, Tong Zhang, Jintao Cheng, Guihua Chen, Qi Zhang, Yang Yang
Human UC-MSCs are regarded as an attractive alternative to BM-MSCs for clinical applications due to their easy preparation, higher proliferation and lower immunogenicity. However, the mechanisms underlying immune suppression by UC-MSCs are still unclear. We studied the mechanism of inhibition by UC-MSCs during the differentiation of monocytes into DCs and focused on the specific source and the role of the involved cytokines. We found that UC-MSCs suppressed monocyte differentiation into DCs and instructed monocytes towards other cell types, with clear decreases in the expression of co-stimulatory molecules, in the secretion of inflammatory factors and in allostimulatory capacity...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917821/optimizing-cell-sourcing-for-clinical-translation-of-tissue-engineered-ears
#10
Kerry A Morrison, Benjamin P Cohen, Ope Asanbe, Xue Dong, Alice Harper, Lawrence J Bonassar, Jason A Spector
: Background . Currently, the major impediment to clinical translation of our previously described platform for the fabrication of high fidelity, patient-specific tissue engineered ears is the development of a clinically optimal cell sourcing strategy. A limited autologous auricular chondrocyte (AuC) supply in conjunction with rapid chondrocyte de-differentiation during in vitro expansion currently makes clinical translation more challenging. Mesenchymal stem cells (MSCs) offer significant promise due to their inherent chondrogenic potential, and large availability through minimally invasive procedures...
December 5, 2016: Biofabrication
https://www.readbyqxmd.com/read/27917698/tetramethylpyrazine-protects-against-glucocorticoid-induced-apoptosis-by-promoting-autophagy-in-mesenchymal-stem-cells-and-improves-bone-mass-in-glucocorticoid-induced-osteoporosis-rats
#11
Long Wang, Hong-Yang Zhang, Bo Gao, Jun Shi, Qiang Huang, Yue-Hu Han, Ya-Qian Hu, Wei-Guang Lu, Zhuo-Jie Zhao, Bao-Hua Liu, Qiang Jie, Liu Yang, Zhuo-Jing Luo
Glucocorticoid-induced osteoporosis (GIOP) is a widespread clinical complication due to the common use of glucocorticoids. Excess glucocorticoids induce apoptosis of bone marrow-derived mesenchymal stem cells (BMSCs), which have been shown to play an increasingly important role in the pathogenesis and therapy of osteoporosis. Tetramethylpyrazine (TMP), an extract from one of the most recognized herbs in traditional Chinese medicine (Chuanxiong), has been reported to have anti-apoptotic properties. In this study, we tested whether TMP protects rat BMSCs following exposure to glucocorticoids in vitro and in vivo...
December 4, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27917274/sertoli-cell-condition-medium-can-induce-germ-like-cells-from-bone-marrow-derived-mesenchymal-stem-cells
#12
Mahdieh Hajian Monfared, Bagher Minaee, Tayebeh Rastegar, Ebrahim Khrazinejad, Mohammad Barbarestani
OBJECTIVES: Although many researchers have confirmed induction of germ cells from bone marrow mesenchymal stem cells (BMMSCs), there are no reports that confirm spontaneous differentiation of germ cells from BMMSCs. In this study, we have evaluated the effect of adult Sertoli cell condition medium (SCCM) as a mutative factor in the induction of germ cells from BMMSCs. MATERIALS AND METHODS: BMMSCs were collected from the bone marrow of 6-8-week old NMRI mice and their mesenchymal entities were proven using superficial markers (expression of CD44 and CD73 and non-expresion of CD45 and CD11b) by fow cytometry...
November 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27916592/new-developments-in-cardiac-regeneration
#13
REVIEW
Thi Yen Loan Le, Sujitha Thavapalachandran, Eddy Kizana, James Jh Chong
Numerous pharmacological and device therapies have improved adverse cardiac remodelling and mortality in heart failure. However, none are able to regenerate damaged cardiac tissue. Stem cell based therapies using multipotent (adult) stem cells and pluripotent stem cells are new approaches that could potentially achieve the elusive goal of true cardiac regeneration. Over the past two decades, various stem cell based approaches have been shown to improve left ventricular function in pre-clinical animal models...
November 19, 2016: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/27916375/the-role-of-the-adaptive-immune-system-in-burn-induced-heterotopic-ossification-and-mesenchymal-cell-osteogenic-differentiation
#14
Kavitha Ranganathan, Shailesh Agarwal, David Cholok, Shawn Loder, Jonathan Li, Hsiao Hsin Sung Hsieh, Stewart C Wang, Steven R Buchman, Benjamin Levi
BACKGROUND: Heterotopic ossification (HO) is the pathologic process of extraskeletal bone formation. Although the exact etiology remains unknown, inflammation appears to catalyze disease progression. The goal of this study is to determine the impact of the adaptive immune system on HO. METHODS: HO was induced in 8-wk-old control C57BL/6 and immunocompromised Rag1tm1Mom (Rag1 KO) male mice deficient in B- and T-lymphocytes via combined Achilles tenotomy and burn injury...
November 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27915981/molecular-cellular-and-pharmaceutical-aspects-of-autologous-grafts-for-peri-implant-hard-and-soft-tissue-defects
#15
Jiayu Lu, Yongming Hao, Wei Zhao, Chengqi Lv, Derong Zou
The lack of supporting hard and soft tissues always prevents the rehabilitation with dental implants. Among various hard and soft tissue augmentation procedures, autologous grafts have been considered to be the gold standard. Autologous mesenchymal stem cells (MSCs) from bone marrow, dental tissue and adipose tissue have been described as promising alternatives for bone regeneration in the field of dental implantation. Mucosal cells, gingival fibroblasts and dental progenitor cells (DPS) can enhance peri-implant soft tissue augmentation and regenerate periodontal tissues around dental implants...
December 1, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/27915969/anoikis-and-emt-lethal-liaisons-during-cancer-progression
#16
Zheng Cao, Theodore Livas, Natasha Kyprianou
Anoikis is a unique mode of apoptotic cell death that occurs consequentially to insufficient cell-matrix interactions. Resistance to anoikis is a critical contributor to tumor invasion and metastasis. The phenomenon is regulated by integrins, which upon engagement with components of the extracellular matrix (ECM) form adhesion complexes and the actin cytoskeleton drives the formation of cell protrusions used to adhere to ECM, directing cell migration. The epithelial-mesenchymal transition (EMT) confers stem cell properties and leads to acquisition of a migratory and invasive phenotype by causing adherens junction breakdown and circumventing anoikis in the tumor microenvironment...
2016: Critical Reviews in Oncogenesis
https://www.readbyqxmd.com/read/27915123/in-vitro-assessment-of-deferoxamine-on-mesenchymal-stromal-cells-from-tumor-and-bone-marrow
#17
Guoping Wang, Guobo Shen, Tao Yin
Deferoxamine (DFO), an iron chelator, is commonly used to remove excess iron from the body. DFO has also been demonstrated to have anti-tumor effect. However, there is no available report on the effect of deferoxamine on mesenchymal stromal cells (MSCs). In this study, we first isolated tumor-associated MSCs (TAMSCs) from EG-7 tumors, which were positive for CD29, CD44, CD73, CD90 and CD105. Ex vivo cultured stem cells derived from tumor and bone marrow compartment were exposed to DFO. We demonstrated that DFO had growth-arresting and apoptosis-inducing effect on TAMSCs and bone marrow MSCs (BMMSCs)...
November 23, 2016: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/27915020/multifunctions-of-dual-zn-mg-ion-co-implanted-titanium-on-osteogenesis-angiogenesis-and-bacteria-inhibition-for-dental-implants
#18
Yiqiang Yu, Guodong Jin, Yang Xue, Donghui Wang, Xuanyong Liu, Jiao Sun
In order to improve the osseointegration and long-term survival of dental implants, it is urgent to develop a multifunctional titanium surface which would simultaneously have osteogeneic, angiogeneic and antibacterial properties. In this study, a potential dental implant material-dual Zn/Mg ion co-implanted titanium (Zn/Mg-PIII) was developed via plasma immersion ion implantation (PIII). The Zn/Mg-PIII surfaces were found to promote initial adhesion and spreading of rat bone marrow mesenchymal stem cells (rBMSCs) via the upregulation of the gene expression of integrin α1 and integrin β1...
November 30, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27914982/nanotopography-controls-cell-cycle-changes-involved-with-skeletal-stem-cell-self-renewal-and-multipotency
#19
Louisa C Y Lee, Nikolaj Gadegaard, María C de Andrés, Lesley-Anne Turner, Karl V Burgess, Stephen J Yarwood, Julia Wells, Manuel Salmeron-Sanchez, Dominic Meek, Richard O C Oreffo, Matthew J Dalby
In culture isolated bone marrow mesenchymal stem cells (more precisely termed skeletal stem cells, SSCs) spontaneously differentiate into fibroblasts, preventing the growth of large numbers of multipotent SSCs for use in regenerative medicine. However, the mechanisms that regulate the expansion of SSCs, while maintaining multipotency and preventing fibroblastic differentiation are poorly understood. Major hurdles to understanding how the maintenance of SSCs is regulated are (a) SSCs isolated from bone marrow are heterogeneous populations with different proliferative characteristics and (b) a lack of tools to investigate SSC number expansion and multipotency...
November 24, 2016: Biomaterials
https://www.readbyqxmd.com/read/27914902/ppar%C3%AE-%C3%AE-a-master-regulator-of-mesenchymal-stem-cell-functions
#20
Farida Djouad, Natacha Ipseiz, Patricia Luz-Crawford, Carina Scholtysek, Gerhard Krönke, Christian Jorgensen
Peroxisome proliferator-activated receptors (PPARs) have emerged as key regulators of physiological and immunological processes. Recently, one of their members PPARβ/δ has been identified as major player in the maintenance of bone homeostasis, by promoting Wnt signalling activity in osteoblast and mesenchymal stem cells (MSC). PPARβ/δ not only controls the fate of MSC but also regulates their immunosuppressive properties by directly modulating their NF-κB activity. In this review, we discuss how the regulation of PPARβ/δ provides an innovative strategy for an optimisation of MSC-based therapy...
November 30, 2016: Biochimie
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