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Peripheral stem cell collection

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https://www.readbyqxmd.com/read/28719093/bone-marrow-harvest-from-unrelated-donors-up-to-date-methodology
#1
Katarzyna Pruszczyk, Kamila Skwierawska, Małgorzata Król, Albert Moskowicz, Dariusz Jabłoński, Tigran Torosian, Iwona Piotrowska, Elżbieta Urbanowska, Wiesław Wiktor-Jędrzejczak, Emilian Snarski
OBJECTIVES: Bone marrow harvesting is one of the essential sources of stem cells for hematopoietic stem cell transplantation. We describe here the current "up to date" standard of the bone marrow harvest in unrelated stem cell donors. METHODS: We analyzed medical data of 187 unrelated hematopoietic stem cell donors who underwent bone marrow harvest without previous peripheral blood stem collection at the center between 2011 and 2015. The methodology of marrow collection includes multiple cells aimed at safety of the procedure e...
July 18, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28714175/schwann-cells-secrete-extracellular-vesicles-to-promote-and-maintain-the-proliferation-and-multipotency-of-hdpcs
#2
Ziyue Li, Yan Liang, Kuangwu Pan, Hui Li, Mei Yu, Weihua Guo, Guoqing Chen, Weidong Tian
OBJECTIVES: Schwann cells (SCs) are the principal glial cells in peripheral nerve system, involved in neuropathies with great regenerative potential. Dental pulp cells have been reported to maintain neurogenic potential. In contrast, the regulatory role of SCs on human dental pulp cells (hDPCs) development remains undefined. MATERIALS AND METHODS: SC secretion and SC-derived extracellular vesicles (EVs) were collected and used to treat hDPCs; and proliferation and multiple differentiation of hDPCs were detected after EVs treatments...
August 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28680880/in-vitro-anticancer-effect-of-gedunin-on-human-teratocarcinomal-ntera-2-cancer-stem-like-cells
#3
Luxmiga Tharmarajah, Sameera Ranganath Samarakoon, Meran Keshawa Ediriweera, Poorna Piyathilaka, Kamani Hemamamla Tennekoon, Kanishka Sithira Senathilake, Umapriyatharshini Rajagopalan, Prasanna Bandula Galhena, Ira Thabrew
Gedunin is one of the major compounds found in the neem tree (Azadirachta indica). In the present study, antiproliferative potential of gedunin was evaluated in human embryonal carcinoma cells (NTERA-2, a cancer stem cell model) and peripheral blood mononuclear cells (PBMCs), using Sulforhodamine (SRB) and WST-1 assays, respectively. The effects of gedunin on expression of heat shock protein 90 (HSP90), its cochaperone Cdc37, and HSP client proteins (AKT, ErbB2, and HSF1) were evaluated by real-time PCR. Effects of gedunin on apoptosis were evaluated by (a) apoptosis associated morphological changes, (b) caspase 3/7 expression, (c) DNA fragmentation, (d) TUNEL assay, and (e) real-time PCR of apoptosis related genes (Bax, p53, and survivin)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28677532/establishment-of-an-induced-pluripotent-stem-cell-ipsc-line-from-a-9-year-old-male-with-autism-spectrum-disorder-asd
#4
Eszter Varga, Csilla Nemes, István Bock, Zsuzsanna Táncos, Sára Berzsenyi, György Lévay, Viktor Román, Julianna Kobolák, András Dinnyés
Peripheral blood mononuclear cells (PBMCs) were collected from a clinically characterized patient with autism spectrum disorder (ASD). The PMBCs were reprogrammed with the human OSKM transcription factors using the Sendai-virus delivery system. The pluripotency of transgene-free iPSCs was verified by immunocytochemistry for pluripotency markers and by spontaneous in vitro differentiation towards the 3 germ layers. Furthermore, the iPSC line showed normal karyotype. Our model might offer a good platform to study the pathomechanism of ASD, also for drug testing, early biomarker discovery and gene therapy studies...
May 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28653421/comparison-of-biosimilar-filgrastim-originator-filgrastim-and-lenograstim-for-autologous-stem-cell-mobilization-in-patients-with-multiple-myeloma
#5
Katharina Lisenko, Marc-Andrea Baertsch, Renate Meiser, Petra Pavel, Thomas Bruckner, Mark Kriegsmann, Anita Schmitt, Mathias Witzens-Harig, Anthony D Ho, Jens Hillengass, Patrick Wuchter
BACKGROUND: Granulocyte-colony-stimulating factor (G-CSF) originators such as filgrastim (Neupogen) and lenograstim (Granocyte) are widely used for peripheral blood stem cell (PBSC) mobilization. In recent years, biosimilar agents have been approved for the same indications. The aim of this retrospective study was to compare the mobilization efficiency of the three G-CSF variants originator filgrastim, lenograstim, and the biosimilar Filgrastim Hexal in a homogeneous group of multiple myeloma (MM) patients in first-line therapy...
June 26, 2017: Transfusion
https://www.readbyqxmd.com/read/28653370/multicenter-study-to-evaluate-a-new-enumeration-method-for-hematopoietic-stem-cell-collection-management
#6
Monique Grommé, Henk Russcher, Eric Braakman, J Henriëtte Klinkspoor, Johan A Dobber, Inge de Greef, Norbert C J de Wit
BACKGROUND: CD34 flow cytometry is the gold standard for stem cell enumeration in peripheral blood at the mobilization stage and in the final apheresis product. The new stem cell mode of the Sysmex XN Series analyzer enumerates an immature cell population in the white progenitor and pathological cell (WPC) channel, based on the cell size, internal cellular complexity, and fluorescence intensity. STUDY DESIGN AND METHODS: In this multicenter study we analyzed 147 peripheral blood samples, 22 samples during collection of stem cells, and 45 samples from the apheresis product of 18 healthy allogeneic donors and 84 autologous patients...
June 26, 2017: Transfusion
https://www.readbyqxmd.com/read/28647301/factors-affecting-hematopoietic-stem-cell-mobilization-and-apheresis-in-allogeneic-donors-the-role-of-iron-status
#7
Zübeyde Nur Özkurt, Leyla Batmaz, Zeynep Arzu Yeğin, Çiğdem İlhan
Infused CD34 cell count has a significant impact on transplant outcome. In this retrospective study, we aimed to analyze the impact of donor iron parameters on peripheral blood stem cell (PBSC) collection. A total of 303 related donors were included in the study. The mobilization regimen, recombinant G-CSF, was given for four consecutive days. A CD34(+) cell count below 2×10(6)/kg was defined as mobilization failure which was demonstrated in 23 donors (7.6%). Mobilization failure was more frequent in female donors than male donors (13...
June 3, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28641613/-prostaglandin-e2-receptor-4-agonist-promotes-human-cd34-cell-proliferation-in-vitro-by-activating-wnt-%C3%AE-catenin-signaling-pathway
#8
Ya-Qun Wang, Fang-Jie Liu, Hui-Zhen Chen, He-Hua Wang, Wai-Yi Zou, Chang Su, Juan Li, Duo-Rong Xu
OBJECTIVE: To investigate the potential signaling pathway that regulates the proliferation of human CD34(+) cells stimulated by prostaglandin E2 receptor 4 agonist (EP4A) in vitro. METHODS: Twenty samples of peripheral blood containing stem cells were collected from the G-CSF mobilized healthy donors in our department of hematology. Human CD34(+) cells were isolated by magnetic activated cell sorting (MACS) microbeads kit. The Cell Counting Kit-8 (CCK8) assay was used to determine the optimal concentration and time of EP4A to promote human CD34(+) cell proliferation in vitro...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28631842/uk-consensus-statement-on-the-use-of-plerixafor-to-facilitate-autologous-peripheral-blood-stem-cell-collection-to-support-high-dose-chemoradiotherapy-for-patients-with-malignancy
#9
Kenneth W Douglas, Maria Gilleece, Patrick Hayden, Hannah Hunter, Peter R E Johnson, Charlotte Kallmeyer, Ram K Malladi, Shankara Paneesha, Rachel Pawson, Michael Quinn, Kavita Raj, Deborah Richardson, Stephen Robinson, Nigel Russell, John Snowden, Anna Sureda, Eleni Tholouli, Kirsty Thomson, Mike Watts, Keith M Wilson
Plerixafor is a CXC chemokine receptor (CXCR4) antagonist that mobilizes stem cells in the peripheral blood. It is indicated (in combination with granulocyte-colony stimulating factor [G-CSF]) to enhance the harvest of adequate quantities of cluster differentiation (CD) 34+ cells for autologous transplantation in patients with lymphoma or multiple myeloma whose cells mobilize poorly. Strategies for use include delayed re-mobilization after a failed mobilization attempt with G-CSF, and rescue or pre-emptive mobilization in patients in whom mobilization with G-CSF is likely to fail...
June 20, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28615039/interleukin-21-promotes-thymopoiesis-recovery-following-hematopoietic-stem-cell-transplantation
#10
Aurélie Tormo, Fatemeh Khodayarian, Yun Cui, Edouard Al-Chami, Reem Kanjarawi, Beatriz Noé, Huijie Wang, Moutih Rafei
BACKGROUND: Impaired T cell reconstitution remains a major deterrent in the field of bone marrow (BM) transplantation (BMT) due to pre-conditioning-induced damages inflicted to the thymi of recipient hosts. Given the previously reported thymo-stimulatory property of interleukin (IL)-21, we reasoned that its use post-BMT could have a profound effect on de novo T cell development. METHODS: To evaluate the effect of IL-21 on de novo T cell development in vivo, BM derived from RAG2p-GFP mice was transplanted into LP/J mice...
June 14, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28613057/-analysis-of-factors-related-to-the-number-of-mesenchymal-stem-cells-derived-from-synovial-fluid-of-the-temporomandibular-joint
#11
Y P Sun, Y H Zheng, Z G Zhang
Objective: To analyze related factors on the number of mesenchymal stem cells in the synovial fluid of the temporomandibular joint (TMJ) and provide an research basis for understanding of the source and biological role of mesenchymal stem cells derived from synovial fluid in TMJ. Methods: One hundred and twenty-two synovial fluid samples from 91 temporomandibular disorders (TMD) patients who visited in Department of TMJ Center, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University from March 2013 to December 2013 were collected in this study, and 6 TMJ synovial fluid samples from 6 normal volunteers who were studying in the North Campus of Sun Yat-sen University were also collected, so did their clinical information...
June 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28608802/enhanced-osteogenic-differentiation-in-zoledronate-treated-osteoporotic-patients
#12
Luca Dalle Carbonare, Monica Mottes, Giovanni Malerba, Antonio Mori, Martina Zaninotto, Mario Plebani, Alessandra Dellantonio, Maria Teresa Valenti
Bisphosphonates are well known inhibitors of osteoclast activity and thus may be employed to influence osteoblast activity. The present study was designed to evaluate the in vivo effects of zoledronic acid (ZA) on the proliferation and osteoblastic commitment of mesenchymal stem cells (MSC) in osteoporotic patients. We studied 22 postmenopausal osteoporotic patients. Densitometric, biochemical, cellular and molecular data were collected before as well as after 6 and 12 months of ZA treatment. Peripheral blood MSC-like cells were quantified by colony-forming unit fibroblastic assay; their osteogenic differentiation potential was evaluated after 3 and 7 days of induction, respectively...
June 13, 2017: International Journal of Molecular Sciences
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/28580637/influence-of-plerixafor-on-the-mobilization-of-cd34-cell-subpopulations-and-lymphocyte-subtypes
#14
Nina Worel, Nelli Frank, Christian Frech, Gerhard Fritsch
BACKGROUND: Peripheral blood stem cells mobilized with granulocyte-colony-stimulating factor (G-CSF) with or without chemotherapy are routinely used for autologous hematopoietic cell transplantation. Plerixafor, a chemokine-receptor inhibitor, increases the amount of circulating CD34+ cells and improves harvest results. However, limited information is available regarding the composition of apheresis products with respect to CD34+ and lymphocyte subtypes collected after various mobilization regimens...
June 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28556233/poor-peripheral-blood-stem-cell-mobilization-affects-long-term-outcomes-in-multiple-myeloma-patients-undergoing-autologous-stem-cell-transplantation
#15
Jan S Moreb, Michael Byrne, Ilicia Shugarman, Fei Zou, Sican Xiong, William S May, Maxim Norkin, John Hiemenz, Randall Brown, Christopher Cogle, John R Wingard, Jack W Hsu
BACKGROUND: Peripheral blood stem cell (PBSC) mobilization is routinely undertaken prior to autologous stem cell transplantation (ASCT) in patients with multiple myeloma (MM). A number of studies have identified risk factors for poor PBSC mobilization, however, little data exists to correlate mobilization with disease-specific outcomes in this patient population. Prospective work in MM has demonstrated similar outcomes in a homogenous patient population. METHODS: In this single institution analysis, we retrospectively studied the impact of poor PBSC mobilization on progression free survival (PFS) and OS in MM patients undergoing PBSC mobilization...
May 29, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28541555/effective-chemomobilization-with-etoposide-and-cytarabine-ec-regimen-in-lymphoma-patients-a-single-center-retrospective-observational-study
#16
Daisuke Koyama, Satoshi Nishiwaki, Yasuhiko Harada, Satomi Yamamoto, Shingo Kurahashi, Takumi Sugimoto, Toshihiro Iwasaki, Isamu Sugiura
Objective: Autologous stem cell transplantation is an important strategy for patients with relapsed or refractory lymphoma. Although various regimens for peripheral blood stem cell collection have been used, the optimal regimen has not yet been established. We aimed to evaluate the mobilization efficacy and safety of the regimen consisted of etoposide and cytarabine (EC regimen). Methods: We retrospectively analyzed the clinical data of 46 lymphoma patients who received peripheral blood stem cell mobilization with the EC regimen [etoposide (100 mg/m2/day, days 1-4) and cytarabine (100 mg/m2/day, days 1-4)] at Toyohashi municipal hospital from 2004 to 2013...
May 24, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28532344/pre-transplantation-thymic-function-is-associated-with-the-risk-of-acute-graft-versus-host-disease-and-cytomegalovirus-viremia-after-allogeneic-hematopoietic-stem-cell-transplantation
#17
Xin Yang, Yuanxin Sun, Sudong Zhang, Hui Yang, Jialin Wei, Yi He, Donglin Yang, Erlie Jiang, Mingzhe Han, Xuemei Qin, Sizhou Feng
OBJECTIVES: To analyze the kinetics of T-cell subsets and thymic function reconstitution after allogeneic hematopoietic stem cell transplantation (AHSCT); to determine whether sjTREC (signal joint TCR rearrangement excision circle) and CD31-positive recent thymic emigrant (CD31 + RTE) are correlated with acute graft versus host disease (aGVHD) or CMV (cytomegalovirus) viremia after AHSCT. METHODS: Forty-nine patients who underwent AHSCT in our institution were prospectively enrolled...
May 22, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28528807/comparison-of-amicus-and-cobe-spectra-for-allogenic-peripheral-blood-stem-cell-harvest-study-from-tertiary-care-centre-in-india
#18
Rasika Dhawan Setia, Satyam Arora, Anil Handoo, Tina Dadu, Dharma Choudhary, Sajeev Kumar Sharma, Gaurav Kharya, Vipin Khandelwal, Prerna Sachdeva, Divya Doval, Anamika Bakliwal, Meenu Kapoor, Shalu Bajaj, Virendra Bachchas, Praveen Singh
INTRODUCTION: Most common source of stem cell graft for both autologous and allogenic haematopoietic transplants are peripheral blood haematopoietic progenitor stem cells. Adequate collection of the CD34+ cells and safety of the allogenic donor during the leukapheresis are of prime importance to an apheresis physician. Our retrospective analysis is a comparison between of two platforms namely, COBE Spectra and Amicus, for CD34+ mononuclear cell collection. MATERIAL AND METHOD: The study included the data of GSCF (Granulocyte-Colony-Stimulating Factor) mobilized allogenic PBSC collections at our centre from January 2015 to June 2016...
April 24, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28527129/efficacy-and-safety-of-plerixafor-for-the-mobilization-collection-of-peripheral-hematopoietic-stem-cells-for-autologous-transplantation-in-japanese-patients-with-multiple-myeloma
#19
Masaki Ri, Kosei Matsue, Kazutaka Sunami, Chihiro Shimazaki, Akio Hayashi, Yoshinori Sunaga, Toru Sasaki, Kenshi Suzuki
To evaluate the efficacy and safety of plerixafor for the mobilization/collection of peripheral hematopoietic stem cells (HSCs) for autologous transplantation in Japanese patients with multiple myeloma (MM). In a randomized study, patients received G-CSF (filgrastim, 400 µg/m(2)/day) for 4 days prior to the first dose of plerixafor. Starting on Day 4 evening and for up to 4 days, patients received either plerixafor (240 µg/kg/day) + G-CSF group (PG group) or G-CSF alone (G group). Daily apheresis started on Day 5 for up to 4 days, or until ≥6 × 10(6) CD34+ cells/kg were collected...
May 19, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28485045/performance-and-safety-of-femoral-central-venous-catheters-in-pediatric-autologous-peripheral-blood-stem-cell-collection
#20
Laura Cooling, Sandra Hoffmann, Dawn Webb, Chisa Yamada, Robertson Davenport, Sung Won Choi
INTRODUCTION: Autologous peripheral blood hematopoietic progenitor cell collection (A-HPCC) in children typically requires placement of a central venous catheter (CVC) for venous access. There is scant published data regarding the performance and safety of femoral CVCs in pediatric A-HPCC. METHODS: Seven-year, retrospective study of A-HPCC in pediatric patients collected between 2009 and January 2017. Inclusion criteria were an age ≤ 21 years and A-HPCC using a femoral CVC for venous access...
May 9, 2017: Journal of Clinical Apheresis
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