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Cord stem cell transplants

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https://www.readbyqxmd.com/read/29349879/a-novel-pklr-gene-mutation-identified-using-advanced-molecular-techniques
#1
Yunyan He, Jianming Luo, Yonghong Lei, Siyuan Jia, Ning Liao
This study's purposes were to diagnose intractable hemolytic anemia and to provide guiding treatment for the affected family members. We performed NGS in a panel of 600 genes for blood diseases on a patient with obscure hemolytic anemia and her parents. We confirmed the diagnosis of pyruvate kinase deficiency, identified a novel homozygous mutation of the PKLR gene (NM_000298: exon 6: c.T941C: p.I314T), and ruled out other blood diseases in the Chinese family. Furthermore, amniotic fluid was taken from the mother during the second trimester, and DNA was extracted to analyze the type of PKLR gene mutation...
January 18, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29348535/umbilical-cord-extracts-improve-osteoporotic-abnormalities-of-bone-marrow-derived-mesenchymal-stem-cells-and-promote-their-therapeutic-effects-on-ovariectomised-rats
#2
Akira Saito, Kanna Nagaishi, Kousuke Iba, Yuka Mizue, Takako Chikenji, Miho Otani, Masako Nakano, Kazusa Oyama, Toshihiko Yamashita, Mineko Fujimiya
Bone marrow-derived mesenchymal stem cells (BM-MSCs) are the most valuable source of autologous cells for transplantation and tissue regeneration to treat osteoporosis. Although BM-MSCs are the primary cells responsible for maintaining bone metabolism and homeostasis, their regenerative ability may be attenuated in postmenopausal osteoporosis patients. Therefore, we first examined potential abnormalities of BM-MSCs in an oestrogen-deficient rat model constructed by ovariectomy (OVX-MSCs). Cell proliferation, mobilisation, and regulation of osteoclasts were downregulated in OVX-MSCs...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29344668/blocking-of-autocrine-igf-1-reduces-viability-of-human-umbilical-cord-mesenchymal-stem-cells-via-inhibition-of-the-akt-gsk-3%C3%AE-signaling-pathway
#3
Qi Wang, Fenxi Zhang, Yan Hong
Human umbilical cord mesenchymal stem cells (hUCMSCs) are able to secrete growth factors, such as hepatocyte growth factor, vascular endothelial growth factor and insulin‑like growth factor‑1 (IGF‑1). The secretion of these growth factors by transplanted hUCMSCs have been identified to stimulate the growth of the host cells in the target organs or tissues. The aim of the present study was to investigate the effect of autocrine IGF‑1 on cell viability of hUCMSCs. The expression levels of IGF‑1 and the IGF‑1 receptor (IGF‑1R) in hUCMSCs were identified using immunocytochemistry staining...
January 17, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29344586/systemic-multilineage-engraftment-in-mice-after-in-utero-transplantation-with-human-hematopoietic-stem-cells
#4
Russell G Witt, Emily M Kreger, Laura B Buckman, Patriss W Moradi, Phong T Ho, S Christopher Derderian, Perry Tsai, Chris Baker, Nathaniel Schramm, Rachel Cleary, J Victor Garcia, Tippi C MacKenzie
IUHCT of human cord blood-derived CD34+ cells into fetal NSG mice results in systemic multilineage engraftment with human cells.Preconditioning with in utero injection of an anti-c-Kit receptor antibody (ACK2) results in an improved rate of engraftment.
January 9, 2018: Blood Advances
https://www.readbyqxmd.com/read/29344584/early-and-late-outcomes-after-cord-blood-transplantation-for-pediatric-patients-with-inherited-leukodystrophies
#5
Brigitte T A van den Broek, Kristin Page, Annalisa Paviglianiti, Janna Hol, Heather Allewelt, Fernanda Volt, Gerard Michel, Miguel Angel Diaz, Victoria Bordon, Tracey O'Brien, Peter J Shaw, Chantal Kenzey, Amal Al-Seraihy, Peter M van Hasselt, Andrew R Gennery, Eliane Gluckman, Vanderson Rocha, Annalisa Ruggeri, Joanne Kurtzberg, Jaap Jan Boelens
Leukodystrophies (LD) are devastating inherited disorders leading to rapid neurological deterioration and premature death. Hematopoietic stem cell transplantation (HSCT) can halt disease progression for selected LD. Cord blood is a common donor source for transplantation of these patients because it is rapidly available and can be used without full HLA matching. However, precise recommendations allowing care providers to identify patients who benefit from HSCT are lacking. In this study, we define risk factors and describe the early and late outcomes of 169 patients with globoid cell leukodystrophy, X-linked adrenoleukodystrophy, and metachromatic leukodystrophy undergoing cord blood transplantation (CBT) at an European Society for Blood and Marrow Transplantation center or at Duke University Medical Center from 1996 to 2013...
January 9, 2018: Blood Advances
https://www.readbyqxmd.com/read/29335016/autophagy-is-required-for-human-umbilical-cord-mesenchymal-stem-cells-to-improve-spatial-working-memory-in-app-ps1-transgenic-mouse-model
#6
Wen Li, Kai Li, Jing Gao, Zhuo Yang
BACKGROUND: Recent studies have shown that autophagy plays a central role in mesenchymal stem cells (MSCs), and many studies have shown that human umbilical cord MSCs (huMSCs) can treat Alzheimer's disease (AD) through a variety of mechanisms. However, no studies have looked at the effects of autophagy on neuroprotective function of huMSCs in the AD mouse model. Thus, in this study we investigated whether inhibition of autophagy could weaken or block the function of huMSCs through in vitro and in vivo experiments...
January 15, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29327452/regenerative-effects-of-human-embryonic-stem-cell-derived-neural-crest-cells-for-treatment-of-peripheral-nerve-injury
#7
Iwan Jones, Liudmila N Novikova, Lev N Novikov, Monika Renardy, Andreas Ullrich, Mikael Wiberg, Leif Carlsson, Paul J Kingham
Surgical intervention is the current gold standard treatment following peripheral nerve injury. However, this approach has limitations and full recovery of both motor and sensory modalities often remains incomplete. The development of artificial nerve grafts that either complement or replace current surgical procedures is therefore of paramount importance. An essential component of artificial grafts are biodegradable conduits and transplanted cells that provide trophic support during the regenerative process...
January 12, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29324880/edag-promotes-the-expansion-and-survival-of-human-cd34-cells
#8
Ke Zhao, Wei-Wei Zheng, Xiao-Ming Dong, Rong-Hua Yin, Rui Gao, Xiu Li, Jin-Fang Liu, Yi-Qun Zhan, Miao Yu, Hui Chen, Chang-Hui Ge, Hong-Mei Ning, Xiao-Ming Yang, Chang-Yan Li
EDAG is multifunctional transcriptional regulator primarily expressed in the linloc-kit+Sca-1+ hematopoietic stem cells (HSC) and CD34+ progenitor cells. Previous studies indicate that EDAG is required for maintaining hematopoietic lineage commitment balance. Here using ex vivo culture and HSC transplantation models, we report that EDAG enhances the proliferative potential of human cord blood CD34+ cells, increases survival, prevents cell apoptosis and promotes their repopulating capacity. Moreover, EDAG overexpression induces rapid entry of CD34+ cells into the cell cycle...
2018: PloS One
https://www.readbyqxmd.com/read/29321049/human-liver-organoids-generated-with-single-donor-derived-multiple-cells-rescue-mice-from-acute-liver-failure
#9
Yun-Zhong Nie, Yun-Wen Zheng, Miyuki Ogawa, Etsuko Miyagi, Hideki Taniguchi
BACKGROUND: Acute liver failure (ALF) is a life-threatening disease with a high mortality rate. However, there are limited treatments or devices available for ALF therapy. Here, we aimed to develop a new strategy for ALF treatment by transplanting functional liver organoids (LOs) generated from single donor-derived human induced pluripotent stem cell (hiPSC) endoderm, endothelial cells (ECs), and mesenchymal cells (MCs). METHODS: First, we isolated ECs and MCs from a single donor umbilical cord (UC) through enzyme digestion and characterized the UC-ECs and UC-MCs by flow cytometry...
January 10, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29315225/fm19g11-and-ependymal-progenitor-stem-cell-combinatory-treatment-enhances-neuronal-preservation-and-oligodendrogenesis-after-severe-spinal-cord-injury
#10
Ana Alastrue-Agudo, Francisco Javier Rodriguez-Jimenez, Eric López Mocholi, Francesca De Giorgio, Slaven Erceg, Victoria Moreno-Manzano
Spinal cord injury (SCI) suffers from a lack of effective therapeutic strategies. We have previously shown that individual therapeutic strategies, transplantation of ependymal stem/progenitor cells of the spinal cord after injury (epSPCi) or FM19G11 pharmacological treatment, induce moderate functional recovery after SCI. Here, the combination of treatments has been assayed for functional and histological analysis. Immediately after severe SCI, one million epSPCi were intramedullary injected, and the FM19G11 compound or dimethyl sulfoxide (DMSO) (as the vehicle control) was administrated via intrathecal catheterization...
January 9, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29303112/biomimetic-hydrogels-direct-spinal-progenitor-cell-differentiation-and-promote-functional-recovery-after-spinal-cord-injury
#11
Sydney A Geissler, Alexandra L Sabin, Rachel R Besser, Olivia M Gooden, Bryce D Shirk, Quan M Nguyen, Zin Z Khaing, Christine E Schmidt
Demyelination that results from disease or traumatic injury, such as spinal cord injury (SCI), can have a devastating effect on neural function and recovery. Many researchers are examining treatments to minimize demyelination by improving oligodendrocyte availability in vivo. Transplantation of stem and oligodendrocyte progenitor cells is a promising option, however, trials are plagued by undirected differentiation [1]. Here we introduce a biomaterial that has been optimized to direct the differentiation of neural progenitor cells (NPCs) toward oligodendrocytes as a cell delivery vehicle after SCI...
January 5, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29296964/alternative-donors-for-allogeneic-hematopoietic-stem-cell-transplantation-in-poor-risk-aml-in-cr1
#12
Jurjen Versluis, Myriam Labopin, Annalisa Ruggeri, Gerard Socie, Depei Wu, Liisa Volin, Didier Blaise, Noel Milpied, Charles Craddock, Ibrahim Yakoub-Agha, Johan Maertens, Per Ljungman, Anne Huynh, Mauricette Michallet, Eric Deconinck, Patrice Chevallier, Jakob Passweg, Fabio Ciceri, Mohamad Mohty, Jan J Cornelissen, Arnon Nagler
Allogeneic hematopoietic stem cell transplantation (alloHSCT) remains the treatment of choice to consolidate remission in patients with poor-risk acute myeloid leukemia (AML). With increasing alternative donors available, the preferred donor or stem cell source is debated. We set out to study outcome in recipients of alloHSCT with poor-risk AML in first complete remission (CR1) by donor type. A total of 6545 adult patients with poor-risk AML in CR1 receiving an alloHSCT using matched related donor (MRD, n = 3511) or alternative donors, including 10/10 (n = 1959) or 9/10 matched unrelated donors (MUDs, n = 549), umbilical cord blood (UCB) grafts (n = 333), or haplo-identical (haplo) donors (n = 193) were compared...
February 28, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296932/not-just-a-marker-cd34-on-human-hematopoietic-stem-progenitor-cells-dominates-vascular-selectin-binding-along-with-cd44
#13
Dina B AbuSamra, Fajr A Aleisa, Asma S Al-Amoodi, Heba M Jalal Ahmed, Chee Jia Chin, Ayman F Abuelela, Ptissam Bergam, Rachid Sougrat, Jasmeen S Merzaban
CD34 is routinely used to identify and isolate human hematopoietic stem/progenitor cells (HSPCs) for use clinically in bone marrow transplantation, but its function on these cells remains elusive. Glycoprotein ligands on HSPCs help guide their migration to specialized microvascular beds in the bone marrow that express vascular selectins (E- and P-selectin). Here, we show that HSPC-enriched fractions from human hematopoietic tissue expressing CD34 (CD34pos) bound selectins, whereas those lacking CD34 (CD34neg) did not...
December 26, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296868/cord-blood-transplantation-recapitulates-fetal-ontogeny-with-a-distinct-molecular-signature-that-supports-cd4-t-cell-reconstitution
#14
Prashant Hiwarkar, Mike Hubank, Waseem Qasim, Robert Chiesa, Kimberly C Gilmour, Aurore Saudemont, Persis J Amrolia, Paul Veys
Omission of in vivo T-cell depletion promotes rapid, thymic-independent CD4+-biased T-cell recovery after cord blood transplant. This enhanced T-cell reconstitution differs from that seen after stem cell transplant from other stem cell sources, but the mechanism is not known. Here, we demonstrate that the transcription profile of naive CD4+ T cells from cord blood and that of lymphocytes reconstituting after cord blood transplantation is similar to the transcription profile of fetal CD4+ T cells. This profile is distinct to that of naive CD4+ T cells from peripheral blood and that of lymphocytes reconstituting after T-replete bone marrow transplantation...
November 14, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296747/single-umbilical-cord-blood-with-or-without-cd34-cells-from-a-third-party-donor-in-adults-with-leukemia
#15
Jaime Sanz, Mi Kwon, Guiomar Bautista, Miguel A Sanz, Pascual Balsalobre, José Luis Piñana, Carlos Solano, Rafael Duarte, Christelle Ferrá, Ignacio Lorenzo, Carmen Martín, Pere Barba, María Jesús Pascual, Rodrigo Martino, Jorge Gayoso, Ismael Buño, Carmen Regidor, Almudena de la Iglesia, Juan Montoro, José Luis Díez-Martín, Guillermo F Sanz, Rafael Cabrera
We retrospectively compared the clinical outcomes of adults with acute leukemia who received single-unit umbilical cord blood (UCB) transplantation (sUCBT) (n = 135) or stem cell transplant using coinfusion of a UCB graft with CD34+ cells from a third-party donor (Haplo-Cord) (n = 72) at different institutions within the Grupo Español de Trasplante Hematopoyético. In multivariable analysis, patients in the Haplo-Cord group showed more rapid neutrophil (hazard ratio [HR], 2.3; 95% confidence interval [CI], 1...
June 27, 2017: Blood Advances
https://www.readbyqxmd.com/read/29290652/in-vivo-hepatic-differentiation-potential-of-human-umbilical-cord-derived-mesenchymal-stem-cells-therapeutic-effect-on-liver-fibrosis-cirrhosis
#16
Guo-Zun Zhang, Hui-Cong Sun, Li-Bo Zheng, Jin-Bo Guo, Xiao-Lan Zhang
AIM: To investigate the hepatic differentiation potential of human umbilical cord-derived mesenchymal stem cells (hUC-MSCs) and to evaluate their therapeutic effect on liver fibrosis/cirrhosis. METHODS: A CCl4-induced liver fibrotic/cirrhotic rat model was used to assess the effect of hUC-MSCs. Histopathology was assessed by hematoxylin and eosin (H&E), Masson trichrome and Sirius red staining. The liver biochemical profile was measured using a Beckman Coulter analyzer...
December 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29289934/wait-a-minute-an-observational-cohort-study-comparing-iron-stores-in-healthy-swedish-infants-at-4-months-of-age-after-10-60-and-180-second-umbilical-cord-clamping
#17
Ulrica Askelöf, Ola Andersson, Magnus Domellöf, Anders Fasth, Boubou Hallberg, Lena Hellström-Westas, Karin Pettersson, Magnus Westgren, Ingela E Wiklund, Cecilia Götherström
BACKGROUND AND OBJECTIVE: Umbilical cord blood (UCB) is a valuable stem cell source used for transplantation. Immediate umbilical cord (UC) clamping is widely practised, but delayed UC clamping is increasingly advocated to reduce possible infant anaemia. The aim of this study was to investigate an intermediate UC clamping time point and to evaluate iron status at the age of 4 months in infants who had the UC clamped after 60 s and compare the results with immediate and late UC clamping...
December 29, 2017: BMJ Open
https://www.readbyqxmd.com/read/29288821/reduced-intensity-allogeneic-transplant-for-acute-myeloid-leukemia-and-myelodysplastic-syndrome-using-combined-cd34-selected-haploidentical-graft-and-a-single-umbilical-cord-unit-compared-to-matched-unrelated-donor-stem-cells-in-older-adults
#18
Stephanie B Tsai, Joanna Rhodes, Hongtao Liu, Tsiporah Shore, Michael Bishop, Melissa M Cushing, Usama Gergis, Lucy Godley, Justin Kline, Richard A Larson, Sebastian Mayer, Olatoyosi Odenike, Wendy Stock, Amittha Wickrema, Koen van Besien, Andrew S Artz
Haplo/cord transplantation combines an umbilical cord blood (UCB) graft with CD34-selected haploidentical cells and results in rapid hematopoietic recovery followed by durable UCB engraftment. We compared outcomes of transplants in older patients with acute myeloid leukemia (AML) or high-risk myelodysplastic syndromes (MDS) who received either HLA-matched unrelated donor cells (MUD) or haplo/cord grafts. Between 2007 and 2013, 109 adults ages 50 and older underwent similar reduced intensity conditioning (RIC) with fludarabine and melphalan and antibody-mediated T-cell depletion for AML (n=83) or high risk MDS (n=26) followed by either a MUD (n=68) or haplo/cord (n=41) graft...
December 27, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29288817/low-body-mass-index-is-associated-with-increased-risk-of-acute-gvhd-after-umbilical-cord-blood-transplantation-in-children-and-young-adults-with-acute-leukemia-a-study-on-behalf-of-eurocord-and-the-ebmt-pediatric-disease-working-party
#19
Annalisa Paviglianiti, Jean Hugues Dalle, Mouhab Ayas, Jan Jaap Boelens, Fernanda Volt, Anna Paola Iori, Mair Pedro de Souza, Miguel Angel Diaz, Gerard Michel, Franco Locatelli, Charlotte Jubert, Ibrahim Yakoub-Agha, Henrique Bittencourt, Yves Bertrand, Chantal Kenzey, Karina Tozatto Maio, Hiromi Hayashi, Vanderson Rocha, Peter Bader, Eliane Gluckman, Annalisa Ruggeri
Body mass index (BMI) might influence outcomes after allogeneic stem cell transplantation (HSCT). However, the impact of BMI on survival in children undergoing HSCT is not well defined, with conflicting results being reported on this issue. We analyzed 855 patients aged 2 to 20 years with diagnosis of acute leukemia who underwent umbilical cord blood transplantation (UCBT) from 1990 to 2015. Patients were classified according to BMI as normal (5th-85th percentile), underweight (<5th percentile), overweight (85th-95th percentile) and obese (>95th percentile) using growth charts for age and gender...
December 27, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29288352/sublethal-concentration-of-h2o2-enhances-the-protective-effect-of-mesenchymal-stem-cells-in-rat-model-of-spinal-cord-injury
#20
Asrin Rahimi, Iraj Amiri, Amaneh Mohammadi Roushandeh, Zoleikha Golipour Choshali, Zohreh Alizadeh, Tayebeh Artimani, Saeid Afshar, Sara Soleimani Asl
OBJECTIVE: To investigate the effect of H2O2 on the migration and antioxidant defense of mesenchymal stem cells (MSCs) and the neurotrophic effects of H2O2-treated MSCs on spinal cord injury (SCI). RESULTS: Sublethal concentrations of H2O2 decreased cell migration and expression of CXCR4 and CCR2 as well as Nrf2 expression in MSCs. In the second phase, transplantation of treated and untreated MSCs to SCI caused minor changes in locomotor dysfunction. There was a significantly difference between cell-treated and spinal cord injury groups in expression of BDNF (brain-derived neurotrophic factor)...
December 29, 2017: Biotechnology Letters
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