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umbilical cord stem cells

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https://www.readbyqxmd.com/read/28641096/hematopoietic-stem-cell-transplantation-for-sickle-cell-anemia-the-changing-landscape
#1
REVIEW
Adetola A Kassim, Deva Sharma
Allogeneic hematopoietic stem cell transplantation (HSCT) remains the only curative therapy for sickle cell disease (SCD); however, its use is limited by lack of suitable human leukocyte antigen (HLA)-matched donors and decreased application in older patients with significant morbidity. Myeloablative, HLA-identical sibling transplantation in children with SCD offers excellent long-term survival, with overall and event-free survival rates of 95% and 92%, respectively. However, the risk of graft-versus-host-disease, infections, infertility, and other long-term transplant complications, further limits its widespread use...
June 15, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28628915/mir-495-promotes-senescence-of-mesenchymal-stem-cells-by-targeting-bmi-1
#2
Xiujun Li, Yuxian Song, Dan Liu, Jiaojiao Zhao, Jingjing Xu, Jing Ren, Yali Hu, Zhiqun Wang, Yayi Hou, Guangfeng Zhao
BACKGROUND/AIMS: Mesenchymal stem cells (MSCs) play an important role in regulating angiogenesis and immune balance. Abnormal proliferation and function of MSCs were reported at maternal fetal interface in patients with pre-eclampsia (PE). Micro-RNA-495 was known to be upregulated in the MSCs derived from patients with PE. However, it is not clear whether the up-regulated miR-495 is related to the pathogenesis of PE. METHODS: We analyzed the expression of miR-495 in MSCs and umbilical cords derived from healthy pregnancies (NC) and PE, then we upregulated or downregulated the expression of miR-495 in MSCs derived from NC and tested the proliferation, apoptosis, migration, invasion, tube formation and senescence...
June 19, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28625529/comparative-study-on-the-effect-of-low-intensity-laser-and-growth-factors-on-stem-cells-used-in-experimentally-induced-liver-fibrosis-in-mice
#3
Eman Naguib, Ashraf Kamel, Osama Fekry, Gamal Abdelfattah
BACKGROUND AND STUDY AIMS: The therapeutic effects of human umbilical cord-derived mesenchymal stem cells (UC-MSCs) exposed to diode laser and/or hepatocyte growth factor (HGF) were compared in mice with experimental liver fibrosis induced by carbon tetra chloride (CCl4). MATERIAL AND METHODS: Animal model of liver cirrhosis was induced by intraperitoneal injection of CCl4 in a dose of 0.4ml/kg, twice a week for 6weeks. UC-MSCs were obtained from normal full term placentas and were exposed to diode laser and/or HGF...
June 15, 2017: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/28625239/-effects-of-human-umbilical-cord-mesenchymal-stem-cells-on-vascular-endothelial-growth-factor-and-il-6-expression-in-tissue-of-ami-rats
#4
Haihuan Xu, Huajiang Dong, Mingliang Zhao
OBJECTIVE: To investigate the effects of human umbilical cord mesenchymal stem cells (UC-MSCs) on vascular endothelial growth factor (VEGF) and interleukin-6 (IL-6) expression in acute myocardium infarction (AMI) rats. METHODS: The human UC-MSCs were cultured to the 4th generation for experiment. Sixty male Sprague-Dawley (SD) rats were randomly divided into sham group, AMI model group and UC-MSCs group, with 20 in each group. AMI animal model was produced by ligation of anterior descending coronary artery; in the sham group, the threading vein was gone below without ligation...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28622233/human-mesenchymal-stem-stromal-cells-from-human-umbilical-cord-ameliorate-acute-respiratory-distress-syndrome-in-rats-factors-to-consider
#5
Yan-Yan Xuan, Yi-Yi Wu, Yi-Lian Xie, Jin-Guo Chu, Guo-Xiang Li, Li-Ping Wang
No abstract text is available yet for this article.
July 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28618138/expansion-of-umbilical-cord-blood-aldehyde-dehydrogenase-expressing-cells-generates-myeloid-progenitor-cells-that-stimulate-limb-revascularization
#6
David M Putman, Tyler T Cooper, Stephen E Sherman, Ayesh K Seneviratne, Mark Hewitt, Gillian I Bell, David A Hess
Uncompromised by chronic disease-related comorbidities, human umbilical cord blood (UCB) progenitor cells with high aldehyde dehydrogenase activity (ALDH(hi) cells) stimulate blood vessel regeneration after intra-muscular transplantation. However, implementation of cellular therapies using UCB ALDH(hi) cells for critical limb ischemia, the most severe form of severe peripheral artery disease, is limited by the rarity (<0.5%) of these cells. Our goal was to generate a clinically-translatable, allogeneic cell population for vessel regenerative therapies, via ex vivo expansion of UCB ALDH(hi) cells without loss of pro-angiogenic potency...
June 15, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28614916/gestational-diabetes-affects-the-growth-and-functions-of-perivascular-stem-cells
#7
Borim An, Eunbi Kim, Haengseok Song, Kwon-Soo Ha, Eun-Taek Han, Won Sun Park, Tae Gyu Ahn, Se-Ran Yang, Sunghun Na, Seok-Ho Hong
Gestational diabetes mellitus (GDM), one of the common metabolic disorders of pregnancy, leads to functional alterations in various cells including stem cells as well as some abnormalities in fetal development. Perivascular stem cells (PVCs) have gained more attention in recent years, for the treatment of various diseases. However, the effect of GDM on PVC function has not been investigated. In our study, we isolated PVCs from umbilical cord of normal pregnant women and GDM patients and compared their phenotypes and function...
June 13, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28612523/-protective-effects-of-intraventricular-transplanted-human-umbilical-cord-derived-mesenchymal-stem-cells-on-hypoxic-ischemic-brain-damages-in-rats
#8
Xue Fan, Xiao-Hong Bai, Juan Chen, Qian Wan, Qiang Chen, De-Zhi Mu
OBJECTIVES: To determine the therapeutic effect and protective mechanism of human umbilical cord-derived mesenchymal stem cells (hUC-MSCs) on newborn rats with hypoxia ischemic brain damage (HIBD). METHODS: Umbilical cord (3-4 cm) was collected from a healthy male infant for preparation of hUC-MSCs using explants technique. The hUC-MSCs were cultured and labeled with BrdU. The differentiation function of MSCs was identified. Healthy SPF grade neonatal SD rats were randomly divided into sham (n =30), HIBD (n =36) and hUC-MSCs treated HIBD (n =32) groups...
March 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28609144/therapeutic-benefit-of-mesenchymal-stem-cells-in-pregnant-rats-with-angiotensin-receptor-agonistic-autoantibody-induced-hypertension-implications-for-immunomodulation-and-cytoprotection
#9
Dan Zhang, Lihua Fu, Leilei Wang, Lin Lin, Lihong Yu, Lijun Zhang, Tao Shang
Immunomodulation by mesenchymal stem cells (MSCs) is potentially important for maintaining peripheral tolerance. Preeclampsia may be due to maternal immune rejection of the genetically foreign fetus. This study aimed to investigate the biological function of human umbilical cord-derived mesenchymal stem cells (HU-MSCs) for the treatment of angiotensin receptor agonistic autoantibody (AT1-AA)-induced hypertension during pregnancy. HU-MSCs were isolated, cultured, and labeled in vitro. AT1-AA and HU-MSCs were administered to pregnant rats...
June 13, 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/28607914/reconstitution-of-adaptive-immunity-after-umbilical-cord-blood-transplantation-impact-on-infectious-complications
#10
REVIEW
Sophie Servais, Muriel Hannon, Régis Peffault de Latour, Gérard Socie, Yves Beguin
In comparison with allogeneic stem cell transplantation (alloHSCT) with other stem cell sources, umbilical cord blood transplantation (UCBT) was traditionally associated with increased risk of infections, particularly during the first 3 months after transplantation. Longitudinal studies of immune monitoring reported peculiar patterns of T- and B-cell recovery in the peripheral blood of UCB recipients during the first months post-transplantation. Overall, current data suggest delayed reconstitution of naive and memory CD4(+) and CD8(+) T-cell pools after UCBT...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28602130/a-novel-method-for-the-activation-of-platelet-rich-plasma-via-bead-mill-homogenizer-for-mesenchymal-stem-cell-culture
#11
Hyunwook Myung, Hyosun Jang, Jae Kyung Myung, Min-Jung Kim, Seung Bum Lee, Won-Suk Jang, Sun-Joo Lee, Hwi-Yool Kim, Seung-Sook Lee, Sehwan Shim, Sunhoo Park
Activated platelet-rich plasma (PRP) has been studied as a replacement for fetal bovine serum (FBS) in stem cell culture. However, current methods are time-consuming or require addition of exogenous substances to activate PRP, which have disadvantages in clinical applications. In this study, we developed a new method for PRP activation using a bead mill homogenizer and compared it with previous methods of PRP activation. PRP was prepared via a two-step centrifugation process and activated via calcium (Ca-PRP), freeze-thaw cycles (FT-PRP), or bead mill homogenizer processing (BM-PRP)...
June 10, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28601931/cardiotrophin-1-stimulates-the-neural-differentiation-of-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-and-survival-of-differentiated-cells-through-pi3k-akt-dependent-signaling-pathways
#12
Longying Peng, Xiaomei Shu, Changhui Lang, Xiaohua Yu
Cardiotrophin-1 (CT1) plays an important role in the differentiation, development, and survival of neural stem cells. In this study, we analyzed its effects on the stimulation of human umbilical cord blood-derived mesenchymal stem cells in terms of their potential to differentiate into neuron-like cells, their survival characteristics, and the molecular mechanisms involved. The treatment of cells with neural induction medium (NIM) and CT1 generated more cells that were neuron-like and produced stronger expression of neural-lineage markers than cells treated with NIM and without CT1...
June 10, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28601677/impact-of-stem-cell-graft-on-early-viral-infections-and-immune-reconstitution-after-allogeneic-transplantation-in-adults
#13
Marina Illiaquer, Berthe-Marie Imbert-Marcille, Thierry Guillaume, Lucie Planche, Marie Rimbert, Céline Bressollette-Bodin, Amandine Le Bourgeois, Pierre Peterlin, Alice Garnier, Claire Le Houerou, Philippe Moreau, Mohamad Mohty, Patrice Chevallier
BACKGROUND: Viral infections are well-known complications after allogeneic stem cell transplant (allo-SCT). OBJECTIVES: We compared prospectively incidences of DNAemia and active infections (AI) for five opportunistic viruses (Human Herpesvirus 6 (HHV-6), Epstein-Barr virus (EBV), BK polyomavirus (BKPyV), Cytomegalovirus (CMV) and Adenovirus (ADV)) and kinetics of immune reconstitution (IR) in adults receiving either double umbilical cord blood (dUCB group) or unrelated peripheral blood stem cell (uPBSC group) allo-SCT after a reduced-intensity conditioning (RIC) regimen...
May 31, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28601197/a-comparative-study-to-evaluate-myogenic-differentiation-potential-of-human-chorion-versus-umbilical-cord-blood-derived-mesenchymal-stem-cells
#14
Nikoo Bana, Davood Sanooghi, Mansoureh Soleimani, Nasim Hayati Roodbari, Sepideh Alavi Moghaddam, Mohammad Taghi Joghataei, Forough Azam Sayahpour, Faezeh Faghihi
OBJECTIVE: Musculodegenerative diseases threaten the life of many patients in the world. Since drug administration is not efficient in regeneration of damaged tissues, stem cell therapy is considered as a good strategy to restore the lost cells. Since the efficiency of myogenic differentiation potential of human Chorion- derived Mesenchymal Stem Cells (C-MSCs) has not been addressed so far; we set out to evaluate myogenic differentiation property of these cells in comparison with Umbilical Cord Blood- derived Mesenchymal Stem Cells (UCB-MSCs) in the presence of 5-azacytidine...
May 11, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28600911/osteogenic-differentiation-of-human-mesenchymal-stem-cells-from-adipose-tissue-and-wharton-s-jelly-of-the-umbilical-cord
#15
Alicja Zajdel, Magdalena Kałucka, Edyta Kokoszka-Mikołaj, Adam Wilczok
Induced osteogenesis of mesenchymal stem cells (MSCs) may provide an important tool for bone injuries treatment. Human umbilical cord and adipose tissue are routinely discarded as clinical waste and may be used as noncontroversial MSCs sources. It still remains to be verified which source of MSCs is the most suitable for bone regeneration. The aim of this research was to investigate the osteogenic potential of human MSCs derived from adipose tissue (AT-MSCs) and Wharton's jelly of the human umbilical cord (WJ-MSCs) differentiated under the same conditions...
2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28596585/tetraploid-embryonic-stem-cells-can-contribute-to-the-development-of-chimeric-fetuses-and-chimeric-extraembryonic-tissues
#16
Bingqiang Wen, Ruiqi Li, Keren Cheng, Enhong Li, Shaopeng Zhang, Jinzhu Xiang, Yanliang Wang, Jianyong Han
Our study examined the in vivo chimeric and survival capacities of chimeras created by injecting tetraploid embryonic stem cells (ESCs) expressing green fluorescent protein (GFP) into diploid embryos. At 3.5 days post-coitum (dpc) and 4.5 dpc, the tetraploid ESCs were able to contribute to the inner cell mass (ICM) just as diploid ESCs tagged with GFP. At 6.5 dpc, 8.0 dpc and 10.5 dpc, the tetraploid ESCs manifested in the same location as the diploid ESCs. The GFP cells in the extraembryonic tissues and fetuses of tetraploid ESC chimeras were tetraploid as determined by fluorescence activated cell sorting (FACS)...
June 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28595566/a-systemic-review-of-the-sources-of-adult-mesenchymal-stem-cells-and-their-suitability-in-musculoskeletal-applications
#17
Rhiannon Nancarrow-Lei, Pouya Mafi, Reza Mafi, Wasim Khan
Background: Adult mesenchymal stem cells (MSCs) were first isolated from bone marrow by Friedenstein in 1976. These cells were clonogenic, non-haematopoietic, and able to replicate extensively in vitro. The fields of regenerative medicine and tissue engineering have grown dramatically since their inception. In the decades since, MSCs have been identified from mesoderm-, endoderm- and ectoderm-derived tissues. In light of our ageing population, the need for effective cell-based therapies for tissue repair and regeneration is ever-expanding...
June 8, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28592755/acute-myeloid-leukemia-developing-secondary-immune-thrombocytopenia-after-umbilical-cord-blood-transplantation
#18
Rena Matsumoto, Kazuhiro Ito, Naoko Hosono, Yasufumi Matsuda, Katsunori Tai, Ippei Sakamaki, Goh Aoki, Hirohito Yamazaki, Shinji Nakao, Takahiro Yamauchi
A 64-year-old man was diagnosed with acute myeloid leukemia M2 (FLT3-ITD-positive). After induction chemotherapy and four courses of consolidation therapy, he underwent umbilical cord blood transplantation (CBT) in his first remission. He developed acute graft-versus-host disease (skin stage 2) after successful engraftment. On post-transplantation day 147, he was admitted to the hospital suffering from pneumonia. During the treatment, drastic thrombocytopenia was observed on day 251. Both platelet-associated immunoglobulin G and platelet antibody producing B cells were detected, and he was diagnosed with immune thrombocytopenia (ITP)...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28589787/conditioned-medium-from-the-three-dimensional-culture-of-human-umbilical-cord-perivascular-cells-accelerate-the-migration-and-proliferation-of-human-keratinocyte-and-fibroblast
#19
Min Ho Kim, Wen Hao Wu, Jee Hyun Choi, Ji Hyun Kim, Seok-Ho Hong, Jin Hyun Jun, Yong Ko, Jong Hun Lee
Previous studies have reported that the conditioned medium (CM) of bone marrow-mesenchymal stem cells (BM-MSCs) stimulate the migration and proliferation of cell types involved in the wound healing process. However, these studies only show MSC-CM effects that were obtained using a two-dimensional (2D) culture. Recently, a three-dimensional (3D) culture has been considered to be a more physiologically appropriate system than the 2D culture. In addition, it has been shown that the procurement of BM-MSC is invasive, and other sources of MSC are thus being explored...
June 18, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28589143/exosomes-derived-from-human-umbilical-cord-mesenchymal-stem-cells-relieve-inflammatory-bowel-disease-in-mice
#20
Fei Mao, Yunbing Wu, Xudong Tang, Jingjing Kang, Bin Zhang, Yongmin Yan, Hui Qian, Xu Zhang, Wenrong Xu
Exosomes secreted by mesenchymal stem cells (MSCs) have shown repairing effects on several tissue injury diseases. In this study, we aimed to investigate the effects of exosomes released from human umbilical cord mesenchymal stem cells (hucMSCs) on the treatment of dextran sulfate sodium- (DSS-) induced inflammatory bowel disease (IBD) and to explore the underlying mechanism. We found that indocyanine green (ICG) labeled exosomes homed to colon tissues of IBD mice at 12 hours after injection. Exosomes significantly relieved the severity of IBD in mice as hucMSCs...
2017: BioMed Research International
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