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bone marrow mesenchymal stem cell

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https://www.readbyqxmd.com/read/29775645/mesenchymal-stromal-cells-induce-a-permissive-state-in-the-bone-marrow-that-enhances-g-csf-induced-hematopoietic-stem-cell-mobilization-in-mice
#1
Evert-Jan F M de Kruijf, Rob Zuijderduijn, Marjolein C Stip, Willem E Fibbe, Melissa van Pel
Mesenchymal stromal cells (MSC) support hematopoietic stem cells (HSC) in vivo and enhance HSC engraftment and hematopoietic recovery upon co-transplantation with HSC. These data have led to the hypothesis that MSC may impact the HSC niche, leading to changes in HSC retention and trafficking. We studied the effect of MSC administration on the HSC compartment in the bone marrow (BM) in mice. Following injection of MSC, HSC numbers in the BM were decreased coinciding with an increased cell cycle activity compared to PBS-injected controls...
May 15, 2018: Experimental Hematology
https://www.readbyqxmd.com/read/29775181/porous-lithium-doped-hydroxyapatite-scaffold-seeded-with-hypoxia-preconditioned-bone-marrow-mesenchymal-stem-cells-for-bone-tissue-regeneration
#2
Donghai Li, Huifang Liu, Jinhai Zhao, Zhouyuan Yang, Xiaowei Xie, Zhun Wei, Dongzhe Li, Pengde Kang
Hydroxyapatite (HA) is a commonly used biomaterial in bone-tissue engineering, but pure HA is deficient in osteoinduction. In this study, we fabricated scaffolds of lithium-doped HA (Li-HA) and assess the bone generation enhancement of Li-HA scaffolds seeded with hypoxia-preconditioned bone-marrow mesenchymal stem cells (BMMSCs). We found that 1.5%Li-HA obtained optimal cell proliferation activity in vitro. In an in vivo study, Li-HA/BMSCs enhanced new bone formation, reducing the GSK-3β and increasing the β-catenin, but the angiogenic effect was not modified significantly...
May 18, 2018: Biomedical Materials
https://www.readbyqxmd.com/read/29774769/serum-mediated-activation-of-bone-marrow-derived-mesenchymal-stem-cells-in-ischemic-stroke-patients-a-novel-preconditioning-method
#3
Gyeong Joon Moon, Yeon Hee Cho, Dong Hee Kim, Ji Hee Sung, Jeong Pyo Son, Sooyoon Kim, Jae Min Cha, Oh Young Bang
Stroke induces complex and dynamic, local and systemic changes including inflammatory reactions, immune responses, and repair and recovery processes. Mesenchymal stem cells (MSCs) have been shown to enhance neurological recovery after stroke. We hypothesized that serum factors play a critical role in the activation of bone marrow (BM) MSCs after stroke such as by increasing proliferation, paracrine effects, and rejuvenation. Human MSCs (hMSCs) were grown in fetal bovine serum (FBS), normal healthy control serum (NS), or stroke patient serum (SS)...
January 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29773592/investigating-chemoresistance-to-improve-sensitivity-of-childhood-t-cell-acute-lymphoblastic-leukemia-to-parthenolide
#4
Benjamin C Ede, Rafal R Asmaro, John P Moppett, Paraskevi Diamanti, Allison Blair
Current therapies for childhood T cell acute lymphoblastic leukemia have increased survival rates to above 85% in developed countries. Unfortunately, some patients fail to respond to therapy and many suffer from serious side effects, highlighting the need to investigate other agents to treat this disease. Parthenolide, a nuclear factor kappa B inhibitor and reactive oxygen species inducer, has been shown to have excellent anti-cancer activity in pediatric leukemia xenografts, with minimal effects on normal hemopoietic cells...
May 17, 2018: Haematologica
https://www.readbyqxmd.com/read/29773188/the-toxic-effect-of-gallic-acid-on-biochemical-factors-viability-and-proliferation-of-rat-bone-marrow-mesenchymal-stem-cells-was-compensated-by-boric-acid
#5
Mohammad Hussein Abnosi, Somayeh Yari
OBJECTIVE: Gallic acid (GA) and boron are found in many plants. Our previous studies showed 6 ng/ml boric acid (BA) had positive effect on biochemistry of rat bone marrow mesenchymal stem cells (MSCs) and their osteogenic differentiation. Therefore, we investigate the effect of different doses of GA alone and in the presence of BA on MSCs. MATERIALS AND METHODS: the viability of MSCs was assayed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and trypan blue at 12, 24 and 36 h in presence of different concentration of GA...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29772235/autophagy-mediates-enhancement-of-proangiogenic-activity-by-hypoxia-in-mesenchymal-stromal-stem-cells
#6
Seul-Gi Lee, Young Ae Joe
Mesenchymal stromal/stem cells (MSCs) have been promising source for regenerative cell therapy in ischemic diseases. To improve efficacy of MSC therapy, various priming methods have been developed, and hypoxic priming has been reported to enhance therapeutic efficacy of MSCs by increasing secretion level of growth factors and cytokines. Recently, it has been reported that bone marrow MSCs primed with hypoxic condition show an increase of autophagy. Here, we addressed whether proangiogenic activity increased by hypoxic condition is associated with autophagy...
May 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29772189/comparison-of-intraoral-bone-regeneration-with-iliac-and-alveolar-bmscs
#7
F Wang, Y Zhou, J Zhou, M Xu, W Zheng, W Huang, W Zhou, Y Shen, K Zhao, Y Wu, D Zou
This study compared the osteogenic potential of bone marrow mesenchymal stem cells (BMSCs) of iliac and alveolar origins (I-BMSCs and Al-BMSCs, respectively), which were transplanted in combination with β tricalcium phosphate (β-TCP) in peri-implant bone defects to investigate the osseointegration between dental implants and tissue-engineered bone in dogs. Specifically, I-BMSCs and Al-BMSCs were cultured, characterized, and seeded on β-TCP and subjected to immunoblotting analyses and alkaline phosphatase activity assays...
May 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29771839/application-of-autologous-human-bone-marrow-derived-mesenchymal-stem-cells-in-distraction-osteogenesis-for-the-treatment-of-bilateral-mandibular-hypoplasia
#8
Hun Jun Lim, Eui Mook Lee, Won Ki Kim, Han Jong Kim, Bong Chul Kim, Jun Lee
Distraction osteogenesis a surgical procedure conducted to improve craniofacial deformities. Compared with conventional operations, this technique has advantages such as the ability to lengthen the soft tissue and hard tissue. Therefore, this method is used to treat severe craniofacial abnormalities.The major disadvantage of distraction osteogenesis is the long treatment period. If the consolidation period is not sufficiently long after the distraction period, complications such as discontinuity or contraction of newly formed bone may occur...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771446/simvastatin-induces-osteogenic-differentiation-of-mscs-via-wnt-%C3%AE-catenin-pathway-to-promote-fracture-healing
#9
M Zhang, Y-Q Bian, H-M Tao, X-F Yang, W-D Mu
OBJECTIVE: This study was designed to investigate whether Simvastatin could facilitate osteogenic differentiation of rat marrow mesenchymal stem cells (MSCs) by modulating the Wnt/β-catenin pathway, thus promoting fracture healing. MATERIALS AND METHODS: MSCs were isolated from rat bone marrow specimens and their purity was identified. The third generation of MSCs was cultured in osteoinduction medium containing simvastatin of gradient concentration, and the highest dose of simvastatin that did not cause cell proliferation was determined by the result of the CCK8 assay...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29771444/low-level-laser-irradiation-promotes-the-differentiation-of-bone-marrow-stromal-cells-into-osteoblasts-through-the-apn-wnt-%C3%AE-catenin-pathway
#10
R-F Zhang, Q Wang, A-A Zhang, J-G Xu, L-D Zhai, X-M Yang, X-T Liu
OBJECTIVE: The relationship between adiponectin (APN) pathway and Wnt pathway was explored through BMSCs, and the effect of low-level laser irradiation (LLLI) on bone marrow stromal cells (BMSCs) and its mechanism were further studied. MATERIALS AND METHODS: 3-week-old Sprague-Dawley (SD) rats were selected, and mesenchymal stem cells were separately cultured and purified. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was used to analyze cell proliferation...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29767235/inhibition-of-microrna%C3%A2-16-protects-mesenchymal-stem-cells-against-apoptosis
#11
Jiang Rui, Shaohong Fang, Yongchen Wang, Bo Lv, Bo Yu, Shufeng Li
Bone marrow‑derived mesenchymal stem cells (BM‑MSCs) have been used in experimental research and clinical trials for heart function restoration and cardiomyocyte regeneration. However, due to a hostile microenvironment created by ischemia, hypoxia and pro‑inflammatory factors, the survival rate of implanted BM‑MSCs remains low. Therefore, strategies that can promote BM‑MSC survival and prevent apoptosis are required. Previous studies have reported that microRNA‑16 (miR‑16) can inhibit cell proliferation by targeting several proteins and signal pathway, not only by inducing apoptosis...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29765995/effects-of-oral-dosage-of-lead-acetate-ii-on-osteocalcin-gene-expression-in-rat-mesenchymal-stem-cells
#12
Hossein Rafiei, Mehrdad Shariati, Jina Khayatzadeh, Sima Afsharnezhad, Majid Farhoodi
Background: Lead (Pb) is a heavy metal that has devastating effects on many animal tissues. In this study we investigated the effects of orally-dosed lead acetate II on osteocalcin gene ( osteocalcin ) expression in mesenchymal stem cells grown in an osteogenic medium. Osteocalcin is an abundant bone matrix differentiation protein. Methods: Twelve male Wistar rats were divided into three groups of four rats each. Two groups were fed orally with 50 or 100 ppm of lead acetate II with libitum feed and water for two months...
April 2018: Reports of Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/29765418/isolation-and-characterisation-of-mesenchymal-stem-cells-from-rat-bone-marrow-and-the-endosteal-niche-a-comparative-study
#13
Norhayati Yusop, Paul Battersby, Amr Alraies, Alastair J Sloan, Ryan Moseley, Rachel J Waddington
Within bone, mesenchymal stromal cells (MSCs) exist within the bone marrow stroma (BM-MSC) and the endosteal niche, as cells lining compact bone (CB-MSCs). This study isolated and characterised heterogeneous MSC populations from each niche and subsequently investigated the effects of extensive cell expansion, analysing population doublings (PDs)/cellular senescence, colony-forming efficiencies (CFEs), MSC cell marker expression, and osteogenic/adipogenic differentiation. CB-MSCs and BM-MSCs demonstrated similar morphologies and PDs, reaching 100 PDs...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765408/the-interaction-between-bmal1-and-per2-in-mouse-bmsc-osteogenic-differentiation
#14
Haiya Zhuo, Yuhong Wang, Qing Zhao
The circadian clock is a system that controls endogenous time of organisms, and it regulates the physiology and behavior of bodies. The transcription factors Brain and Muscle ARNT-like Protein 1 (BMAL1) and Period2 (Per2) are components of the circadian clock, and they play vital roles in circadian clock function. Both Bmal1-/- mice and Per2-/- mice display obvious bone volume changes. In this study, we inhibited the expression of Bmal1 in bone marrow-derived mesenchymal stem cells (BMSCs) using a lentiviral vector harboring RNAi sequences, which increased the osteogenic differentiation capability of BMSCs...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765406/the-differentiation-balance-of-bone-marrow-mesenchymal-stem-cells-is-crucial-to-hematopoiesis
#15
REVIEW
Jiang Wu, Weiwei Zhang, Qian Ran, Yang Xiang, Jiang F Zhong, Shengwen Calvin Li, Zhongjun Li
Bone marrow mesenchymal stem cells (BMSCs), the important component and regulator of bone marrow microenvironment, give rise to hematopoietic-supporting stromal cells and form hematopoietic niches for hematopoietic stem cells (HSCs). However, how BMSC differentiation affects hematopoiesis is poorly understood. In this review, we focus on the role of BMSC differentiation in hematopoiesis. We discussed the role of BMSCs and their progeny in hematopoiesis. We also examine the mechanisms that cause differentiation bias of BMSCs in stress conditions including aging, irradiation, and chemotherapy...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29764889/autologous-stem-cells-in-achilles-tendinopathy-ascat-protocol-for-a-phase-iia-single-centre-proof-of-concept-study
#16
Andrew J Goldberg, Razi Zaidi, Deirdre Brooking, Louise Kim, Michelle Korda, Lorenzo Masci, Ruth Green, Paul O'Donnell, Roger Smith
INTRODUCTION: Achilles tendinopathy (AT) is a cause of pain and disability affecting both athletes and sedentary individuals. More than 150 000 people in the UK every year suffer from AT.While there is much preclinical work on the use of stem cells in tendon pathology, there is a scarcity of clinical data looking at the use of mesenchymal stem cells to treat tendon disease and there does not appear to be any studies of the use of autologous cultured mesenchymal stem cells (MSCs) for AT...
May 14, 2018: BMJ Open
https://www.readbyqxmd.com/read/29763918/comprehensive-effects-of-suppression-of-microrna-383-in-human-bone-marrow-derived-mesenchymal-stem-cells-on-treating-spinal-cord-injury
#17
Guo-Jun Wei, Ke-Wen Zheng, Gang An, Zuo-Wei Shi, Kai-Fu Wang, Ying Guan, Yan-Song Wang, Peng-Fei Li, Da-Ming Dong
BACKGROUND/AIMS: Transplantation of bone-marrow-derived mesenchymal stem cells (MSCs) promotes neural cell regeneration after spinal cord injury (SCI). Recently, we showed that suppression of microRNA-383 (miR-383) in MSCs increased the protein levels of glial cell line derived neurotrophic factor (GDNF), resulting in improved therapeutic effects on SCI. However, the overall effects of miR-383 suppression in MSCs on SCI therapy were not determined yet. Here, we addressed this question...
May 10, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29763882/thymoquinone-influences-the-expression-of-genes-involved-in-self-renewal-and-immunomodulatory-potential-of-mouse-bone-marrow-derived-mesenchymal-stem-cells-in-vitro
#18
Elham Alimoradi, Sajjad Sisakhtnezhad, Hassan Akrami
Thymoquinone (TQ) is an active ingredient of some medicinal herbs. Despite extensive studies on the biological and pharmacological properties of TQ, its effect on the characteristics of stem cells remains to be clarified. Therefore, this study was aimed to investigate the effect of TQ on viability, proliferation and immunomodulatory potential of mouse bone marrow-derived mesenchymal stem cells (BM-MSCs) in vitro. The BM-MSCs were isolated from young NMRI mice. The cytotoxic effect of TQ on the BM-MSCs was evaluated using MTT assay...
May 7, 2018: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29763517/novel-engineered-tendon-fibrocartilage-bone-composite-with-cyclic-tension-for-rotator-cuff-repair
#19
Qian Liu, Taku Hatta, Jun Qi, Haoyu Liu, Andrew R Thoreson, Peter C Amadio, Steven L Moran, Scott P Steinmann, Anne Gingery, Chunfeng Zhao
Surgical repair of rotator cuff tears presents a significant clinical challenge with high failure rates and inferior functional outcomes. Graft augmentation improves repair outcomes, however currently available grafting materials have limitations. While cell-seeded decellularized tendon slices may facilitate cell infiltration, promote tendon incorporation and preserve original mechanical strength, the unique fibrocartilage zone is yet to be successfully reestablished. In this study, we investigated the biological and mechanical properties of an engineered tendon-fibrocartilage-bone composite (TFBC) with cyclic tension (3% strain, 0...
May 15, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29761416/bioluminescence-imaging-of-transplanted-mesenchymal-stem-cells-by-overexpression-of-hepatocyte-nuclear-factor4%C3%AE-tracking-biodistribution-and-survival
#20
Peiyi Xie, Xiaojun Hu, Dan Li, Sidong Xie, Zhiyang Zhou, Xiaochun Meng, Hong Shan
PURPOSE: The purposes of this study were to construct immortalized human bone marrow mesenchymal stem cells (UE7T-13) with overexpression of the hepatocyte nuclear factor4α (hHNF4α) and luciferase2-mKate2 dual-fusion reporter gene, further investigate their impact on treating acute liver injury (ALI) in rats, and track their biodistribution and survival by bioluminescence imaging (BLI). PROCEDURES: The hHNF4α and luciferase2-mKate2 genes were transduced by a lentiviral vector into UE7T-13 cells (named E7-hHNF4α-R cells), and expression was verified by immunofluorescence, RT-PCR, and flow cytometry...
May 14, 2018: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
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