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Mesenchymal cell transplantation

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https://www.readbyqxmd.com/read/29778021/the-homing-of-human-umbilical-cord-derived-mesenchymal-stem-cells-and-the-subsequent-modulation-of-macrophage-polarization-in-type-2-diabetic-mice
#1
Yaqi Yin, Haojie Hao, Yu Cheng, Jieqing Gao, Jiejie Liu, Zongyan Xie, Qi Zhang, Li Zang, Weidong Han, Yiming Mu
Umbilical cord-derived mesenchymal stem cells (UC-MSCs), with both immunomodulatory and pro-regenerative properties, are promising for the treatment of type 2 diabetes mellitus (T2DM). As efficient cell therapy largely relies on appropriate homing to target tissues, knowing where and to what extent injected UC-MSCs have homed is critically important. However, bio-distribution data for UC-MSCs in T2DM subjects are extremely limited. Beneficial effects of UC-MSCs on T2DM subjects are associated with increased M2 macrophages, but no systemic evaluation of M2 macrophages has been performed in T2DM individuals...
May 15, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29777434/ascorbic-acid-inhibits-senescence-in-mesenchymal-stem-cells-through-ros-and-akt-mtor-signaling
#2
Mengkai Yang, Songsong Teng, Chunhui Ma, Yinxian Yu, Peilin Wang, Chengqing Yi
Mesenchymal stem cell (MSC) aging seriously affects its function in stem cell transplantation for treatment. Extensive studies have focused on how to inhibit senescence in MSCs. However, the mechanism of senescence in MSC was not clear. In this study, we used D-galactose to induce MSC aging. Then we found that the number of aging cells was increased compared with untreated MSCs. We discovered that ascorbic acid could inhibit the production of reactive oxygen species (ROS) and activation of AKT/mTOR signaling in MSCs caused by D-galactose...
May 18, 2018: Cytotechnology
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
#3
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/29775627/acquisition-of-tumorigenic-potential-and-therapeutic-resistance-in-cd133-subpopulation-of-prostate-cancer-cells-exhibiting-stem-cell-like-characteristics
#4
Rajnee Kanwal, Sanjeev Shukla, Ethan Walker, Sanjay Gupta
The role of CD133 (Prominin-1) as a cancer stem cell marker may be useful for therapeutic approaches and prognostication in prostate cancer patients. We investigated the stem-cell-related function and biological features of a subpopulation of CD133+ cells isolated from established primary human prostate cancer cell lines. The CD133+ cells sorted from human prostate cancer 22Rv1 exhibited high clonogenic and tumorigenic capabilities, sphere forming capacity and serially reinitiated transplantable tumors in NOD-SCID mice...
May 15, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29774506/therapeutic-potential-of-mesenchymal-stem-cell-derived-exosomes-in-the-treatment-of-eye-diseases
#5
C Randall Harrell, Bojana Simovic Markovic, Crissy Fellabaum, Aleksandar Arsenijevic, Valentin Djonov, Nebojsa Arsenijevic, Vladislav Volarevic
Mesenchymal stem cells (MSCs) were, due to their immunomodulatory and pro-angiogenic characteristics, extensively explored as new therapeutic agents in cell-based therapy of uveitis, glaucoma, retinal and ocular surface diseases.Since it was recently revealed that exosomes play an important role in biological functions of MSCs, herewith we summarized current knowledge about the morphology, structure, phenotype and functional characteristics of MSC-derived exosomes emphasizing their therapeutic potential in the treatment of eye diseases...
May 18, 2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29774066/caveolae-mediated-mesenchymal-stem-cell-labelling-by-pss-coated-plga-pfob-nano-contrast-agent-for-mri
#6
Hieu Vu Quang, Chi-Chih Chang, Ping Song, Ellen-Margrethe Hauge, Jørgen Kjems
Rationale: Non-invasive tracking of transplanted cells is critical in evaluating delivery, migration and prognosis of cell therapies. Methods: We formulated a nano-contrast agent consisting of a perfluorooctylbromide (PFOB) core within a shell of poly (lactic-co-glycolic acid) (PLGA) followed by a coat of polystyrene sulfonate (PSS) for 19 F MRI. The nano-contrast agent (PSS-NP) was characterised by DLS and the uptake efficiency of the nano-contrast agent (PSS-NP) was tested using flow cytometry, in vitro MRI and confocal microscopy...
2018: Theranostics
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/29771441/combinatory-effect-of-mesenchymal-stromal-cells-transplantation-and-quercetin-after-spinal-cord-injury-in-rat
#8
X Wang, Y-Y Wang, L-L Zhang, G-T Li, H-T Zhang
OBJECTIVE: To investigate the synergistic effects of quercetin (Qu) administration and transplantation of human umbilical cord mesenchymal stromal cells (HUMSCs) following spinal cord injury (SCI). MATERIALS AND METHODS: HUMSCs were isolated, cultured and certificated via flow cytometry. Sixty Sprague-Dawley (SD) female rats were used and SCI models were made. All rats were divided into five experimental groups: culture medium treated group (n=28); HUSMCs + quercetin-treated group (n = 28); HUMSCs treated group (n=28); quercetin-treated group (n = 28); sham group (n = 20)...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29770705/gingival-mesenchymal-stem-cells-outperform-haploidentical-dental-pulp-derived-mesenchymal-stem-cells-in-proliferation-rate-migration-ability-and-angiogenic-potential
#9
Ioannis Angelopoulos, Claudia Brizuela, Maroun Khoury
High donor variation makes comparison studies between different dental sources dubious. Dental tissues offer a rare opportunity for comparing the biological characteristics of haploidentical mesenchymal stem cells (MSCs) isolated from the same donor. The objective was to identify the optimal dental source of MSCs through a biological and functional comparison of haploidentical MSCs from gingival (GMSCs) and dental pulp stem cells (DPSCs) focusing mainly on their angiogenic potential. The comparison study included (1) surface markers expression, (2) mesodermal differentiation capacity (chondrogenic, adipogenic, and osteogenic), (3) proliferation, (4) migration potential, (5) ability to form colony units, and (6) angiogenic potential in vitro and in vivo...
January 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29770568/injection-of-synthetic-mesenchymal-stem-cell-mitigates-osteoporosis-in-rats-after-ovariectomy
#10
Miaoda Shen, Ronghuan Wu, Rilong Jin, Jun Pan, Fang Guo, Zhuoyang Li, Xiangjin Lin, Sanzhong Xu
Osteoporosis is a severe skeletal disorder. Patients have a low bone mineral density and bone structural deterioration. Mounting lines of evidence suggest that inappropriate apoptosis of osteoblasts/osteocytes leads to maladaptive bone remodelling in osteoporosis. It has been suggested that transplantation of stem cells, including mesenchymal stem cells, may alter the trajectory of bone remoulding and mitigate osteoporosis in animal models. However, stem cells needed to be carefully stored and characterized before usage...
May 16, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29769612/hypothermia-broadens-the-therapeutic-time-window-of-mesenchymal-stem-cell-transplantation-for-severe-neonatal-hypoxic-ischemic-encephalopathy
#11
So Yoon Ahn, Yun Sil Chang, Dong Kyung Sung, Se In Sung, Won Soon Park
Recently, we have demonstrated that concurrent hypothermia and mesenchymal stem cells (MSCs) transplantation synergistically improved severe neonatal hypoxic ischemic encephalopathy (HIE). The current study was designed to determine whether hypothermia could extend the therapeutic time window of MSC transplantation for severe neonatal HIE. To induce HIE, newborn rat pups were exposed to 8% oxygen for 2 h following unilateral carotid artery ligation on postnatal day (P) 7. After approving severe HIE involving >50% of the ipsilateral hemisphere volume, hypothermia (32 °C) for 2 days was started...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29767474/mesenchymal-stromal-cells-from-shwachman-diamond-syndrome-patients-fail-to-recreate-a-bone-marrow-niche-in-vivo-and-exhibit-impaired-angiogenesis
#12
Donatella Bardelli, Erica Dander, Cristina Bugarin, Claudia Cappuzzello, Alice Pievani, Grazia Fazio, Paolo Pierani, Paola Corti, Piero Farruggia, Carlo Dufour, Simone Cesaro, Marco Cipolli, Andrea Biondi, Giovanna D'Amico
Shwachman-Diamond syndrome (SDS) is a rare multi-organ recessive disease mainly characterised by pancreatic insufficiency, skeletal defects, short stature and bone marrow failure (BMF). As in many other BMF syndromes, SDS patients are predisposed to develop a number of haematopoietic malignancies, particularly myelodysplastic syndrome and acute myeloid leukaemia. However, the mechanism of cancer predisposition in SDS patients is only partially understood. In light of the emerging role of mesenchymal stromal cells (MSCs) in the regulation of bone marrow homeostasis, we assessed the ability of MSCs derived from SDS patients (SDS-MSCs) to recreate a functional bone marrow niche, taking advantage of a murine heterotopic MSC transplant model...
May 16, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29767235/inhibition-of-microrna%C3%A2-16-protects-mesenchymal-stem-cells-against-apoptosis
#13
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/29766824/adipose-derived-mesenchymal-stem-cells-in-the-treatment-of-obesity-a-systematic-review-of-longitudinal-studies-on-preclinical-evidence
#14
Fatima Saleh, Leila Itani, Simona Calugi, Riccardo Dalle Grave, Marwan El Ghoch
BACKGROUND: Obesity is an increasing global health problem, but its treatment is not yet optimal, especially in the long term. For this reason, preclinical studies have been conducted relating to a new therapeutic strategy for obesity based on adipose-derived mesenchymal stem cells (AD-MSCs). The aim of our systematic review is to summarize these findings deriving from the animal model in order to establish whether there is sufficient evidence to justify going forward to clinical studies...
May 15, 2018: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29765429/the-potentials-and-caveats-of-mesenchymal-stromal-cell-based-therapies-in-the-preterm-infant
#15
REVIEW
Judith Gronbach, Tayyab Shahzad, Sarah Radajewski, Cho-Ming Chao, Saverio Bellusci, Rory E Morty, Tobias Reicherzer, Harald Ehrhardt
Preponderance of proinflammatory signals is a characteristic feature of all acute and resulting long-term morbidities of the preterm infant. The proinflammatory actions are best characterized for bronchopulmonary dysplasia (BPD) which is the chronic lung disease of the preterm infant with lifelong restrictions of pulmonary function and severe consequences for psychomotor development and quality of life. Besides BPD, the immature brain, eye, and gut are also exposed to inflammatory injuries provoked by infection, mechanical ventilation, and oxygen toxicity...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765407/effects-of-transplanted-heparin-poloxamer-hydrogel-combining-dental-pulp-stem-cells-and-bfgf-on-spinal-cord-injury-repair
#16
Lihua Luo, Abdullkhaleg Ali Albashari, Xiaoyan Wang, Ling Jin, Yanni Zhang, Lina Zheng, Jianjian Xia, Helin Xu, Yingzheng Zhao, Jian Xiao, Yan He, Qingsong Ye
Spinal cord injury (SCI) is one of serious traumatic diseases of the central nervous system and has no effective treatment because of its complicated pathophysiology. Tissue engineering strategy which contains scaffolds, cells, and growth factors can provide a promising treatment for SCI. Hydrogel that has 3D network structure and biomimetic microenvironment can support cellular growth and embed biological macromolecules for sustaining release. Dental pulp stem cells (DPSCs), derived from cranial neural crest, possess mesenchymal stem cell (MSC) characteristics and have an ability to provide neuroprotective and neurotrophic properties for SCI treatment...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765406/the-differentiation-balance-of-bone-marrow-mesenchymal-stem-cells-is-crucial-to-hematopoiesis
#17
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/29763986/early-iv-injected-human-dermis-derived-mesenchymal-stem-cells-after-transient-global-cerebral-ischemia-do-not-pass-through-damaged-blood-brain-barrier
#18
Ji Hyeon Ahn, Bai Hui Chen, Joon Ha Park, Bich Na Shin, Tae-Kyeong Lee, Jeong Hwi Cho, Jae Chul Lee, Jeong-Ran Park, Se-Ran Yang, Sungwoo Ryoo, Myoung Cheol Shin, Jun Hwi Cho, Il Jun Kang, Choong Hyun Lee, In Koo Hwang, Young-Myeong Kim, Moo-Ho Won
There is lack of researches on effects of intravenously injected mesenchymal stem cells (MSCs) against transient cerebral ischemia (TCI). We investigated the disruption of the neurovascular unit (NVU), which comprises the blood-brain barrier (BBB) and examined entry of human dermis-derived MSCs (hDMSCs) into the damaged hippocampal CA1 area in a gerbil model of TCI, and their subsequent effects on neuroprotection and cognitive function. Impairments of neurons, and BBB were examined by immunohistochemistry, electron microscopy, and Evans blue and immunoglobulin G (IgG) leakage...
May 15, 2018: Journal of Tissue Engineering and Regenerative Medicine
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
#19
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/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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