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purified umbilical stem cells

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https://www.readbyqxmd.com/read/28782090/purified-umbilical-cord-derived-mesenchymal-stem-cell-treatment-in-a-case-of-systemic-lupus-erythematosus
#1
Christopher D Phillips, Pornpatcharin Wongsaisri, Thein Htut, Terry Grossman
INTRODUCTION: Systemic lupus erythematosus (SLE) is a multiple organ system autoimmune disorder for which there is no known cure. METHODS: We report a case of a young adult lady with SLE and Sjogren's with diagnostic and clinical resolution following purified umbilical cord derived mesenchymal stem cell (MSC) and globulin component protein macrophage activating factor (GcMAF) therapy in a combined multidisciplinary integrative medicine protocol. RESULTS: Our patient had complete reversal of all clinical and laboratory markers...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28618138/expansion-of-umbilical-cord-blood-aldehyde-dehydrogenase-expressing-cells-generates-myeloid-progenitor-cells-that-stimulate-limb-revascularization
#2
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/28323051/anticancer-and-anti-angiogenic-activities-of-extract-from-actinidia-eriantha-benth-root
#3
Jian-Guo Wu, Li Ma, Shui-Hua Lin, Yan-Bin Wu, Jun Yi, Bin-Jun Yang, Jin-Zhong Wu, Ka-Hing Wong
ETHNOPHARMACOLOGICAL RELEVANCE: The roots of Actinidia eriantha Benth (AER) are commonly used traditional folk medicine for the treatment of gastric carcinoma, nasopharyngeal carcinoma, and breast carcinoma. Besides, the anti-proliferative and immunomodulatory effects of AER polysaccharides on tumor-bearing mice have been reported previously. AIM OF THE STUDY: This work was carried out to investigate the anticancer and anti-angiogenic activities of AER. MATERIALS AND METHODS: The growth inhibitory effects of ethanol extracts from the leaves (EEL), stems (EES) and roots (EER) of A...
May 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28187462/recombinant-tat-bmi-1-fusion-protein-induces-ex-vivo-expansion-of-human-umbilical-cord-blood-derived-hematopoietic-stem-cells
#4
Bruna Codispoti, Nicola Rinaldo, Emanuela Chiarella, Michela Lupia, Cristina Barbara Spoleti, Maria Grazia Marafioti, Annamaria Aloisio, Stefania Scicchitano, Marco Giordano, Giovanna Nappo, Valeria Lucchino, Malcolm A S Moore, Pengbo Zhou, Maria Mesuraca, Heather Mandy Bond, Giovanni Morrone
Transplantation of hematopoietic stem cells (HSCs) is a well-established therapeutic approach for numerous disorders. HSCs are typically derived from bone marrow or peripheral blood after cytokine-induced mobilization. Umbilical cord blood (CB) represents an appealing alternative HSC source, but the small amounts of the individual CB units have limited its applications. The availability of strategies for safe ex vivo expansion of CB-derived HSCs (CB-HSCs) may allow to extend the use of these cells in adult patients and to avoid the risk of insufficient engraftment or delayed hematopoietic recovery...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28042333/nanosized-ucmsc-derived-extracellular-vesicles-but-not-conditioned-medium-exclusively-inhibit-the-inflammatory-response-of-stimulated-t-cells-implications-for-nanomedicine
#5
Marta Monguió-Tortajada, Santiago Roura, Carolina Gálvez-Montón, Josep Maria Pujal, Gemma Aran, Lucía Sanjurjo, Marcel la Franquesa, Maria-Rosa Sarrias, Antoni Bayes-Genis, Francesc E Borràs
Undesired immune responses have drastically hampered outcomes after allogeneic organ transplantation and cell therapy, and also lead to inflammatory diseases and autoimmunity. Umbilical cord mesenchymal stem cells (UCMSCs) have powerful regenerative and immunomodulatory potential, and their secreted extracellular vesicles (EVs) are envisaged as a promising natural source of nanoparticles to increase outcomes in organ transplantation and control inflammatory diseases. However, poor EV preparations containing highly-abundant soluble proteins may mask genuine vesicular-associated functions and provide misleading data...
2017: Theranostics
https://www.readbyqxmd.com/read/27998208/increasing-stem-cell-dose-promotes-posttransplant-immune-reconstitution
#6
Ning Xu, Sylvie Shen, Alla Dolnikov
Umbilical cord blood (UCB) transplantation can provide a successful therapeutic option for patients that have no suitable related donor. UCB transplantation is often limited by the relatively small hematopoietic stem cell (HSC) numbers in UCB especially for adult recipients. Early neutrophil and platelet engraftment correlates with the stem cell numbers in UCB transplant. Compared to other HSC sources, immune reconstitution following UCB transplant is slower and complicated by increased frequency of opportunistic infections...
April 1, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/27515026/potential-role-of-herbal-remedies-in-stem-cell-therapy-proliferation-and-differentiation-of-human-mesenchymal-stromal-cells
#7
REVIEW
Vindya Lankika Udalamaththa, Chanika Dilumi Jayasinghe, Preethi Vidya Udagama
Stem cell therapy has revolutionized modern clinical therapy with the potential of stem cells to differentiate into many different cell types which may help to replace different cell lines of an organism. Innumerous trials are carried out to merge new scientific knowledge and techniques with traditional herbal extracts that may result in less toxic, affordable, and highly available natural alternative therapeutics. Currently, mesenchyamal stromal cell (MSC) lines are treated with individual and mixtures of crude herbal extracts, as well as with purified compounds from herbal extracts, to investigate the mechanisms and effects of these on stem cell growth and differentiation...
August 11, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27424784/ectopic-mir-125a-expression-induces-long-term-repopulating-stem-cell-capacity-in-mouse-and-human-hematopoietic-progenitors
#8
Edyta E Wojtowicz, Eric R Lechman, Karin G Hermans, Erwin M Schoof, Erno Wienholds, Ruth Isserlin, Peter A van Veelen, Mathilde J C Broekhuis, George M C Janssen, Aaron Trotman-Grant, Stephanie M Dobson, Gabriela Krivdova, Jantje Elzinga, James Kennedy, Olga I Gan, Ankit Sinha, Vladimir Ignatchenko, Thomas Kislinger, Bertien Dethmers-Ausema, Ellen Weersing, Mir Farshid Alemdehy, Hans W J de Looper, Gary D Bader, Martha Ritsema, Stefan J Erkeland, Leonid V Bystrykh, John E Dick, Gerald de Haan
Umbilical cord blood (CB) is a convenient and broadly used source of hematopoietic stem cells (HSCs) for allogeneic stem cell transplantation. However, limiting numbers of HSCs remain a major constraint for its clinical application. Although one feasible option would be to expand HSCs to improve therapeutic outcome, available protocols and the molecular mechanisms governing the self-renewal of HSCs are unclear. Here, we show that ectopic expression of a single microRNA (miRNA), miR-125a, in purified murine and human multipotent progenitors (MPPs) resulted in increased self-renewal and robust long-term multi-lineage repopulation in transplanted recipient mice...
September 1, 2016: Cell Stem Cell
https://www.readbyqxmd.com/read/27244897/mesenchymal-stem-cell-like-properties-of-cd133-glioblastoma-initiating-cells
#9
Lorena Favaro Pavon, Tatiana Tais Sibov, Daniela Mara de Oliveira, Luciana C Marti, Francisco Romero Cabral, Jean Gabriel de Souza, Pamela Boufleur, Suzana M F Malheiros, Manuel A de Paiva Neto, Edgard Ferreira da Cruz, Ana Marisa Chudzinski-Tavassi, Sérgio Cavalheiro
Glioblastoma is composed of dividing tumor cells, stromal cells and tumor initiating CD133+ cells. Recent reports have discussed the origin of the glioblastoma CD133+ cells and their function in the tumor microenvironment. The present work sought to investigate the multipotent and mesenchymal properties of primary highly purified human CD133+ glioblastoma-initiating cells. To accomplish this aim, we used the following approaches: i) generation of tumor subspheres of CD133+ selected cells from primary cell cultures of glioblastoma; ii) analysis of the expression of pluripotency stem cell markers and mesenchymal stem cell (MSC) markers in the CD133+ glioblastoma-initiating cells; iii) side-by-side ultrastructural characterization of the CD133+ glioblastoma cells, MSC and CD133+ hematopoietic stem cells isolated from human umbilical cord blood (UCB); iv) assessment of adipogenic differentiation of CD133+ glioblastoma cells to test their MSC-like in vitro differentiation ability; and v) use of an orthotopic glioblastoma xenograft model in the absence of immune suppression...
June 28, 2016: Oncotarget
https://www.readbyqxmd.com/read/27185256/dna-hypermethylation-of-cd3-t-cells-from-cord-blood-of-infants-exposed-to-intrauterine-growth-restriction
#10
Lyda Williams, Yoshinori Seki, Fabien Delahaye, Alex Cheng, Mamta Fuloria, Francine Hughes Einstein, Maureen J Charron
AIMS/HYPOTHESIS: Intrauterine growth restriction (IUGR) is associated with increased susceptibility to obesity, metabolic syndrome and type 2 diabetes. Although the mechanisms underlying the developmental origins of metabolic disease are poorly understood, evidence suggests that epigenomic alterations play a critical role. We sought to identify changes in DNA methylation patterns that are associated with IUGR in CD3(+) T cells purified from umbilical cord blood obtained from male newborns who were appropriate for gestational age (AGA) or who had been exposed to IUGR...
August 2016: Diabetologia
https://www.readbyqxmd.com/read/27146030/endometrial-mesenchymal-stem-stromal-cells-their-fibroblast-progeny-in-endometriosis-and-more
#11
Caroline E Gargett, Shanti Gurung
No abstract text is available yet for this article.
June 2016: Biology of Reproduction
https://www.readbyqxmd.com/read/26679930/isolation-characterisation-and-comparative-analysis-of-human-umbilical-cord-vein-perivascular-cells-and-cord-blood-mesenchymal-stem-cells
#12
COMPARATIVE STUDY
Beyza Gökçinar-Yagci, Özgür Özyüncü, Betül Çelebi-Saltik
Perivascular cells are known to be ancestors of mesenchymal stem cells (MSCs) and can be obtained from heart, skin, bone marrow, eye, placenta and umbilical cord (UC). However detailed characterization of perivascular cells around the human UC vein and comparative analysis of them with MSCs haven't been done yet. In this study, our aim is to isolate perivascular cells from human UC vein and characterize them versus UC blood MSCs (UCB-MSCs). For this purpose, perivascular cells around the UC vein were isolated enzymatically and then purified with magnetic activated cell sorting (MACS) method using CD146 Microbead Kit respectively...
June 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/26661850/expression-analysis-of-radiation-responsive-genes-in-human-hematopoietic-stem-progenitor-cells
#13
Takakiyo Tsujiguchi, Tokuhisa Hirouchi, Satoru Monzen, Yoshiaki Tabuchi, Ichiro Takasaki, Takashi Kondo, Ikuo Kashiwakura
To clarify the nature of the genes that contribute to the radiosensitivity of human hematopoietic stem/progenitor cells (HSPCs), we analyzed the gene expression profiles detected in HSPCs irradiated with 2 Gy X-rays after culture with or without an optimal combination of hematopoietic cytokines. Highly purified CD34(+) cells from human placental/umbilical cord blood were used as HSPCs. The cells were exposed to 2 Gy X-irradiation and treated in serum-free medium under five different sets of conditions for 6 h...
January 2016: Journal of Radiation Research
https://www.readbyqxmd.com/read/26635882/improvement-in-isolation-and-identification-of-mouse-oogonial-stem-cells
#14
Zhiyong Lu, Meng Wu, Jinjin Zhang, Jiaqiang Xiong, Jing Cheng, Wei Shen, Aiyue Luo, Li Fang, Shixuan Wang
Female germline stem cells (FGSCs) or oogonial stem cells (OSCs) have the capacity to generate newborn oocytes and thus open a new door to fight ovarian aging and female infertility. However, the production and identification of OSCs are difficult for investigators. Rare amount of these cells in the ovary results in the failure of the acquisition of OSCs. Furthermore, the oocyte formation by OSCs in vivo was usually confirmed using tissue sections by immunofluorescence or immunohistochemistry in previous studies...
2016: Stem Cells International
https://www.readbyqxmd.com/read/26199900/in-vitro-differentiation-of-human-umbilical-cord-blood-cd133-cells-into-insulin-producing-cells-in-co-culture-with-rat-pancreatic-mesenchymal-stem-cells
#15
Fazel Sahraneshin Samani, Marzieh Ebrahimi, Tahereh Zandieh, Reyhaneh Khoshchehreh, Mohamadreza Baghaban Eslaminejad, Nasser Aghdami, Hossein Baharvand
OBJECTIVE: Pancreatic stroma plays an important role in the induction of pancreatic cells by the use of close range signaling. In this respect, we presume that pancreatic mesenchymal cells (PMCs) as a fundamental factor of the stromal niche may have an effective role in differentiation of umbilical cord blood cluster of differentiation 133(+) (UCB-CD133(+)) cells into newly-formed β-cells in vitro. MATERIALS AND METHODS: This study is an experimental research. The UCB-CD133(+)cells were purified by magnetic activated cell sorting (MACS) and differentiated into insulin producing cells (IPCs) in co-culture, both directly and indirectly with rat PMCs...
2015: Cell Journal
https://www.readbyqxmd.com/read/26134010/-vascular-endothelial-injury-induced-by-anti-endothelial-cell-antibody-in-allogeneic-hematopoietic-stem-cell-transplantation
#16
Jianfeng Yao, Axia Song, Zheng Ruan, Lukun Zhou, Peng Liu, Haiyan Zhu, Haiyan Gong, Shuxu Dong, Yuanfu Xu, Erlie Jiang, Aiming Pang, Sizhou Feng, Mingzhe Han
OBJECTIVE: To clarify the role of endothelial cells (ECs) injury induced by anti-endothelial cell antibody (AECA) in allogeneic hematopoietic stem cell transplantation (allo-HSCT). METHODS: Serum immunoglobulin (IgG) from allo-HSCT recipients were purified and incubated with human umbilical vein vascular endothelium (HUVEC) in vitro, then the functional changes and cell apoptosis were tested. RESULTS: After incubation with AECA positive IgG, soluble adhesion molecules significantly elevated in culture supernatant...
June 2015: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/26044732/inhibitor-of-p53-p21-pathway-induces-the-differentiation-of-human-umbilical-cord-derived-mesenchymal-stem-cells-into-cardiomyogenic-cells
#17
Zhong-Bao Ruan, Li Zhu, Yi-Gang Yin, Ge-Cai Chen
P53 is shown recently to play an important role in the proliferation and differentiation of mesenchymal stem cells. In this study, human umbilical cord derived mesenchymal stem cells (hUCMSCs) were isolated and purified from the umbilical cords of normal or cesarean term deliveries, after treatment with 20 μmol/L PFT-α for 24 h, hUCMSCs were continued to be cultured for 4 weeks, cardiac-specific protein expression of cTnI, Desmin and Nkx2.5 was determined using immunofluorescence assay and RT-PCR. The expression of p53 and p21 was detected by western blot...
August 2016: Cytotechnology
https://www.readbyqxmd.com/read/25776756/evaluation-of-the-efficiency-of-human-immune-system-reconstitution-in-nsg-mice-and-nsg-mice-containing-a-human-hla-a2-transgene-using-hematopoietic-stem-cells-purified-from-different-sources
#18
John Patton, Raja Vuyyuru, Amanda Siglin, Michael Root, Tim Manser
Severely immunodeficient mice such as the NOD/SCID/IL2rγ(null) (NSG) strain can be engrafted with human hematopoietic stem cells (HSCs), resulting in chimeric mice containing many components of the human immune system (Human Immune System mice or HIS mice). HIS mice can both support the replication of and recapitulate much of the immunological response to a variety of pathogens, including ones with strict human tropism, such as HIV-1. In an effort to develop a better mouse model for human infectious pathogen infection and possible immune resolution, we compared the human immune system reconstitution of NSG mice following injection with human CD34(+) HSCs purified from either fetal liver (FL) or umbilical cord blood (UCB)...
July 2015: Journal of Immunological Methods
https://www.readbyqxmd.com/read/25649907/double-labelling-of-human-umbilical-cord-mesenchymal-stem-cells-with-gd-dtpa-and-pkh26-and-the-influence-on-biological-characteristics-of-hucmscs
#19
Hanlin Shuai, Changzheng Shi, Jifa Lan, Danliang Chen, Xin Luo
The aim of this study was to determine whether double labelling of human umbilical cord mesenchymal stem cells (hUCMSCs) with gadolinium-diethylene triamine penta-acetic acid (Gd-DTPA) and PKH26 influences their biological characteristics. A tissue adherence technique was used to separate and purify the hUCMSCs and flow cytometry was performed to detect the surface markers expressed on them. Gd-DTPA and PKH26 were used to label the stem cells and MRI and fluorescence microscopy were used to detect the double-labelled hUCMSCs...
February 2015: International Journal of Experimental Pathology
https://www.readbyqxmd.com/read/25369806/differentiation-of-schwann%C3%A2-like-cells-from-human-umbilical-cord-blood-mesenchymal-stem-cells-in-vitro
#20
Yu-Zhou Xiao, Sheng Wang
The use of artificial nerves for the repair of peripheral nerve defects is restricted by the limited sources of Schwann cells (SCs). Human mesenchymal stem cell (MSC)‑derived Schwann‑like cells are considered an alternative and desirable cell source. The aim of the present study was to establish a method of inducing directional differentiation of human umbilical cord blood (hUCB) MSCs into Schwann‑like cells. Cells isolated from hUCB were cultured in MesenCult complete medium, a specialized culture medium for MSCs, to expand hUCBMSCs...
February 2015: Molecular Medicine Reports
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