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Stem cell donation

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https://www.readbyqxmd.com/read/28446305/-establishment-of-mouse-model-of-h-2-haploidentical-hematopoietic-stem-cell-transplantation-from-double-donors
#1
Xiao-Na Wang, Yu-Meng Liang, Lei Deng, Lu Wang, Yi Wang, Ya-Jing Huang, Tie-Qiang Liu, Hong-Li Zuo, Kai-Xun Hu, Jian-Hui Qiao, Qi-Yun Sun, Mei Guo, Hui-Sheng Ai, Chang-Lin Yu
OBJECTIVE: To establish a new mouse model of H-2 haploidentical stem cell transplantation from double donors (DHSCT) and compare with conventional haploidentical hematopoietic stem cell transplantation (HSCT) so as to alleviate transplant-related complications. METHODS: The recipients CB6F1 of conventional HSCT group were pretreated by 8 Gy total body irradiation(TBI), and received 3×10(7) donor (male C57) spleen mononuclear cells (spMNC) mobilized by G-CSF within 2 hours after TBI...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28433103/liver-transplantation-for-wilson-disease
#2
Ahsan Ahmad, Euriko Torrazza-Perez, Michael L Schilsky
Liver transplantation (LT) is a life-saving and curative treatment for Wilson disease (WD), providing restoration of function of the liver and mitigation of portal hypertension. Indications for LT in patients with WD include acute liver failure or end-stage liver disease not treatable by medical therapy. LT is also used to treat hepatocellular carcinoma when it develops in patients with WD when tumor resection is not feasible. LT solely for neurologic or psychiatric WD remains controversial. Living liver donation as well as cadaveric orthotopic and auxiliary LT are options for transplantation for WD...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28420812/isolation-of-mesenchymal-stromal-stem-cells-from-cryopreserved-umbilical-cord-blood-cells
#3
Sumie Fujii, Yasuo Miura, Masaki Iwasa, Satoshi Yoshioka, Aya Fujishiro, Noriko Sugino, Hitomi Kaneko, Yoko Nakagawa, Hideyo Hirai, Akifumi Takaori-Kondo, Tatsuo Ichinohe, Taira Maekawa
Umbilical cord blood (UCB) has advantages over other tissues because it can be obtained without an invasive procedure and complex processing. We explored the availability of cryopreserved UCB cells as a source of mesenchymal stromal/stem cells (MSCs). MSCs were successfully isolated from six of 30 UCB units (median volume, 34.0 mL; median nucleated cell number, 4.4×10(8)) that were processed and cryopreserved using CP-1/human serum albumin. This isolation rate was lower than that (57%) from non-cryopreserved UCB cells...
April 18, 2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28409921/mesenchymal-stem-cell-seeded-regenerated-silk-fibroin-complex-matrices-for-liver-regeneration-in-an-animal-model-of-acute-liver-failure
#4
Lijuan Xu, Shufang Wang, Xiang Sui, Yu Wang, Yinan Su, Li Huang, Yunwei Zhang, Zheng Chen, Qianqian Chen, Haitao Du, Yaopeng Zhang, Li Yan
The main limitation of liver transplantation as a treatment for end-stage liver disease or acute liver failure is the scarcity of liver organ donors. To develop an alternative therapy for acute liver failure, mesenchymal stem cell (MSC)-seeded regenerated silk fibroin (RSF) matrices were evaluated in vitro and in vivo. Adipose-derived mesenchymal stem cells (ADSCs) and bone marrow-derived mesenchymal stem cells (BMSCs) were planted and grown on RSF scaffolds to form a scaffold complex. The RSF-MSC scaffold complex (the experimental group) and neat RSF scaffolds (the control group) were then placed onto the liver surface of mice induced by CCl4 and detected after 5, 7, 14, 28, and 60 days...
April 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28407302/posttranscriptional-interaction-between-mir-450a-5p-and-mir-28-5p-and-stat1-mrna-triggers-osteoblastic-differentiation-of-human-mesenchymal-stem-cells
#5
Janaína A Dernowsek, Milena C Pereira, Thaís A Fornari, Claudia Macedo, Amanda F Assis, Paula B Donate, Karina F Bombonato-Prado, Maria Rita Passos-Bueno, Geraldo A Passos
We demonstrate that the interaction between miR-450a-5p and miR-28-5p and signal transducer and activator of transcription 1 (STAT1) mRNA correlates with the osteoblastic differentiation of mesenchymal stem cells from human exfoliated deciduous teeth (shed cells). STAT1 negatively regulates runx-related transcription factor 2 (RUNX2), which is an essential transcription factor in this process. However, the elements that trigger osteoblastic differentiation and therefore pause the inhibitory effect of STAT1 need investigation...
April 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28369516/comprehensive-chromosome-screening-and-gene-expression-analysis-from-the-same-biopsy-in-human-preimplantation-embryos
#6
Diego Marin, Yujue Wang, Xin Tao, Richard T Scott, Nathan R Treff
STUDY QUESTION: Can simultaneous comprehensive chromosome screening (CCS) and gene expression analysis be performed on the same biopsy of preimplantation human embryos? SUMMARY ANSWER: For the first time, CCS and reliable gene expression analysis have been performed on the same human preimplantation embryo biopsy. WHAT IS KNOWN ALREADY: A single trophectoderm (TE) biopsy is routinely used for many IVF programs offering CCS for selection of only chromosomally normal embryos for transfer...
March 23, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28353270/isolation-culture-and-expansion-of-mesenchymal-stem-cells
#7
Izaskun Ferrin, Izaskun Beloqui, Lorea Zabaleta, Juan M Salcedo, Cesar Trigueros, Angel G Martin
Mesenchymal stem cells (MSCs), together with hematopoietic stem cells (HSCs), are the most frequently used cell type for cell-based therapeutics. As for other cell types intended for research and translational use, it is important to establish correctly typed cell lines from human tissue donations. Here, we describe methods for isolating, culturing, and identifying MSCs from various tissues obtained through human tissue donation. The methods have been used in the context of a biobank, prepared as standard operating procedures (SOPs), ensuring traceability and reproducibility of cell production...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28353259/quality-assurance-in-stem-cell-banking-emphasis-on-embryonic-and-induced-pluripotent-stem-cell-banking
#8
Therése Kallur, Pontus Blomberg, Sonya Stenfelt, Kristian Tryggvason, Outi Hovatta
For quality assurance (QA) in stem cell banking, a planned system is needed to ensure that the banked products, stem cells, meet the standards required for research, clinical use, and commercial biotechnological applications. QA is process oriented, avoids, or minimizes unacceptable product defects, and particularly encompasses the management and operational systems of the bank, as well as the ethical and legal frameworks. Quality control (QC ) is product oriented and therefore ensures the stem cells of a bank are what they are expected to be...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28326208/a-child-as-a-donor-for-hematopoietic-stem-cell-transplantation-bioethical-justification-a-case-study-on-sickle-cell-disease
#9
Andrea Z Pereira, Ricardo Hellman, Nelson Hamerschlak, Andrea Kondo, Polianna Mara Rodrigues de Souza, Wilson Leite Pedreira, Luiz Fernando Alves Lima Mantovani, Eduardo Juan Troster, Henrique Grunspun, Marco Aurélio Scarpinella Bueno
Hematopoietic stem cell transplantation (HSCT) is an important treatment option for children with severe and refractory sickle cell disease (SCD) with debilitating clinical complications. HSCT with cells from the bone marrow of a HLA-identical sibling used in SCD has a low mortality risk, high cure rate, and high event-free survival rate after a median follow-up of 5-6 years. However, matched donors are found in only about 20% of the patients. A boy aged 8 years with SCD had a sister, <2 years old, a fully compatible donor...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28255771/amniotic-membrane-in-ophthalmology-properties-preparation-storage-and-indications-for-grafting-a-review
#10
REVIEW
Katerina Jirsova, Gary L A Jones
The use of amniotic membrane in ophthalmic surgery and other surgical procedures in the fields of dermatology, plastic surgery, genitourinary medicine and otolaryngology is on the increase. Furthermore, amniotic membrane and its epithelial and mesenchymal cells have broad use in regenerative medicine and hold great promise in anticancer treatment. Amniotic membrane is a rich source of biologically active factors and as such, promotes healing and acts as an effective material for wound dressing. Amniotic membrane supports epithelialization and exhibits anti-fibrotic, anti-inflammatory, anti-angiogenic and anti-microbial features...
March 2, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28254417/retrospective-analysis-of-37-287-observation-years-after-peripheral-blood-stem-cell-donation
#11
Alexander H Schmidt, Thilo Mengling, Camila J Hernández-Frederick, Gabi Rall, Julia Pingel, Johannes Schetelig, Gerhard Ehninger
Donor safety is of utmost importance in the setting of hematopoietic stem cell donation. Follow-up is indicated to detect potential long-term risks for donors. We sent a follow-up questionnaire to 15,445 donors of peripheral blood stem cells (PBSCs) or bone marrow (BM) within a retrospective study design. The return rate was 91.3%, resulting in 37,287 observation years for PBSC donors and 25,656 for BM donors. Most donors assessed their health conditions as very good or good and had not been hospitalized or received long-term medical treatment including prescribed medication for more than 4 weeks since donation...
February 22, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28229427/stem-cell-exosomes-cell-freetherapy-for-organ-repair
#12
Mohsin Khan, Raj Kishore
Cardiovascular disease is a significant cause of morbidity and mortality around the world. The damaged cardiac tissue is unable to repair itself following injury warranting the development of alternate therapies. Cell therapy has emerged recently as a viable treatment option resulting in significant improvement in cardiac function. Nevertheless, donated stem cells are hard to find in the heart after transplantation leading to the hypothesis that release of extracellular factors by stem cells is primarily responsible for the beneficial effect of cell therapy...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28144956/cost-effectiveness-of-the-screening-of-blood-donations-for-hepatitis-e-virus-in-the-netherlands
#13
Anneke S de Vos, Mart P Janssen, Hans L Zaaijer, Boris M Hogema
BACKGROUND: The incidence of hepatitis E virus (HEV) has increased substantially in Europe recently, thereby threatening blood safety. A cost-effectiveness analysis for HEV screening of blood donations in the Netherlands was performed. STUDY DESIGN AND METHODS: A simulation model was developed to mimic the process of donation, infections in the donor population, donation testing, and transmission to transfusion recipients. The variability of viral loads among donors was modeled using observed loads...
January 31, 2017: Transfusion
https://www.readbyqxmd.com/read/28140685/interprofessional-spanning-and-building-boundaries-when-supporting-potential-embryo-donors-to-stem-cell-research
#14
Laura L Machin, R A Williams
When patients undergo fertility treatment, it is likely that a surplus of embryos will be created. The existence of these surplus embryos creates responsibilities for the clinics where they are stored and for the people who own them. Since 2001, the owners of the surplus embryos in the UK have the option to donate them to be used in stem cell research (SCR). This development has generated a new population-potential embryo donors to SCR-who have unique support needs as they are neither fertility patients nor donors...
May 2017: Journal of Interprofessional Care
https://www.readbyqxmd.com/read/28111924/awareness-of-cord-blood-collection-and-the-impact-on-banking
#15
Rusha Bhandari, Amy Lindley, Deepika Bhatla, Aleksandar Babic, Kathy Mueckl, Rakesh Rao, Paula Brooks, Vicki Geiler, Gilad Gross, Mohamad Al-Hosni, Shalini Shenoy
BACKGROUND: Umbilical cord blood (UCB) is an important source of hematopoietic stem cells for transplantation especially in minority populations with limited chances of finding a histocompatible volunteer donor in the registry. UCB has the advantages of early availability, successful outcomes despite some histocompatibility mismatch, and low incidence of chronic graft-versus-host disease. Public cord blood banks that disseminate UCB products for transplant depend on voluntary donation at participating hospitals and obstetrical providers for collection...
January 23, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28049490/mobilization-of-hematopoietic-stem-cells-with-the-novel-cxcr4-antagonist-pol6326-balixafortide-in-healthy-volunteers-results-of-a-dose-escalation-trial
#16
Darja Karpova, Susanne Bräuninger, Eliza Wiercinska, Ariane Krämer, Belinda Stock, Jochen Graff, Hans Martin, Achim Wach, Christophe Escot, Garry Douglas, Barbara Romagnoli, Eric Chevalier, Klaus Dembowski, Leon Hooftman, Halvard Bonig
BACKGROUND: Certain disadvantages of the standard hematopoietic stem and progenitor cell (HSPC) mobilizing agent G-CSF fuel the quest for alternatives. We herein report results of a Phase I dose escalation trial comparing mobilization with a peptidic CXCR4 antagonist POL6326 (balixafortide) vs. G-CSF. METHODS: Healthy male volunteer donors with a documented average mobilization response to G-CSF received, following ≥6 weeks wash-out, a 1-2 h infusion of 500-2500 µg/kg of balixafortide...
January 3, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27959920/evaluation-of-stem-cell-derived-red-blood-cells-as-a-transfusion-product-using-a-novel-animal-model
#17
Sandeep N Shah, Monique P Gelderman, Emily M A Lewis, John Farrel, Francine Wood, Michael Brad Strader, Abdu I Alayash, Jaroslav G Vostal
Reliance on volunteer blood donors can lead to transfusion product shortages, and current liquid storage of red blood cells (RBCs) is associated with biochemical changes over time, known as 'the storage lesion'. Thus, there is a need for alternative sources of transfusable RBCs to supplement conventional blood donations. Extracorporeal production of stem cell-derived RBCs (stemRBCs) is a potential and yet untapped source of fresh, transfusable RBCs. A number of groups have attempted RBC differentiation from CD34+ cells...
2016: PloS One
https://www.readbyqxmd.com/read/27934598/human-embryonic-stem-cells-derived-from-abnormal-blastocyst-donated-by-polycystic-kidney-syndrome-patient
#18
Qi Ouyang, Xiaoying Zhou, Jing Chen, Juan Du, Guangxiu Lu, Ge Lin, Yi Sun
Human embryonic stem cell (hESC) line chHES-468 was derived from abnormal blastocyst donated by polycystic kidney syndrome (PKD) patient after preimplantation genetic diagnosis (PGD) treatment. DNA sequencing analysis confirmed that chHES-468 cell line carried a heterozygous mutation, c.10526_10527delAG, of PKD1. Characteristic tests proved that the chHES-468 cell line presented typical markers of pluripotency and had the capability to form the three germ layers both in vitro and in vivo.
November 5, 2016: Stem Cell Research
https://www.readbyqxmd.com/read/27934588/generation-of-human-embryonic-stem-cell-line-chhes-472-from-abnormal-embryos-diagnosed-with-spinocerebellar-ataxia-type-3
#19
Lvjun Liu, Sicong Zeng, Yi Sun, Xiaoying Zhou, Jing Chen, Juan Du, Guangxiu Lu, Ge Lin, Qi Ouyang
Spinocerebellar ataxia type3 (SCA3) is an autosomal dominant neurodegenerative disorder. Human embryonic stem cell line chHES-472 was derived from abnormal embryo donated by SCA3 patient after preimplantation genetic diagnosis (PGD) treatment. This cell line had a normal karyotype and retained the disease-causing mutant in ATXN3 gene. Characteristic tests proved that the embryonic stem cell line presented typical markers of pluripotency and had the capability to form the three germlayers in vivo.
October 24, 2016: Stem Cell Research
https://www.readbyqxmd.com/read/27926545/immune-responses-to-bioengineered-organs
#20
Jordi Ochando, Dominique Charron, Pedro M Baptista, Basak E Uygun
PURPOSE OF REVIEW: Organ donation in the United States registered 9079 deceased organ donors in 2015. This high percentage of donations allowed organ transplantation in 29 851 recipients. Despite increasing numbers of transplants performed in comparison with previous years, the numbers of patients that are in need for a transplant increase every year at a higher rate. This reveals that the discrepancy between the demand and availability of organs remains fundamental problem in organ transplantation...
February 2017: Current Opinion in Organ Transplantation
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