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Bone marrow transplant

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https://www.readbyqxmd.com/read/29159905/autologous-mesenchymal-stem-cell-and-islet-cotransplantation-safety-and-efficacy
#1
Hongjun Wang, Charlie Strange, Paul J Nietert, Jingjing Wang, Taylor L Turnbull, Colleen Cloud, Stefanie Owczarski, Betsy Shuford, Tara Duke, Gary Gilkeson, Louis Luttrell, Kathie Hermayer, Jyotika Fernandes, David B Adams, Katherine A Morgan
Islet engraftment after transplantation is impaired by high rates of islet/β cell death caused by cellular stressors and poor graft vascularization. We studied whether cotransplantation of ex vivo expanded autologous bone marrow-derived mesenchymal stem cells (MSCs) with islets is safe and beneficial in chronic pancreatitis patients undergoing total pancreatectomy with islet autotransplantation. MSCs were harvested from the bone marrow of three islet autotransplantation patients and expanded at our current Good Manufacturing Practices (cGMP) facility...
November 21, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29159826/pharmacological-and-molecular-approaches-for-the-treatment-of-%C3%AE-hemoglobin-disorders
#2
REVIEW
Neelam Lohani, Nupur Bhargava, Anjana Munshi, Sivaprakash Ramalingam
β-hemoglobin disorders, such as β-thalassemia and sickle cell anemia are among the most prevalent inherited genetic disorders worldwide. These disorders are caused by mutations in the gene encoding hemoglobin-β (HBB), a vital protein found in red blood cells (RBCs) that carries oxygen from lungs to all parts of the human body. As a consequence, there has been an enduring interest in this field in formulating therapeutic strategies for the treatment of these diseases. Currently, there is no cure available for hemoglobin disorders, although, some patients have been treated with bone marrow transplantation, whose scope is limited because of the difficulty in finding a histocompatible donor and also due to transplant-associated clinical complications that can arise during the treatment...
November 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29158129/mitochondrial-transfer-between-cells-methodological-constraints-in-cell-culture-and-animal-models
#3
M V Berridge, P M Herst, M R Rowe, R Schneider, M J McConnell
Interest in the recently discovered phenomenon of mitochondrial transfer between mammalian cells has gained momentum since it was first described in cell culture systems more than a decade ago. Mitochondria-targeting fluorescent dyes have been repurposed and are now widely used in these studies and in acute disease models, sometimes without due consideration of their limitations, while vectors containing mitochondrially-imported fluorescent proteins have complemented the use of mitochondria-targeting dyes. Genetic approaches that use mitochondrial DNA polymorphisms have also been used in some in vitro studies and in tumor models and are particularly useful where mtDNA is damaged or deleted...
November 17, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/29157615/poems-syndrome-therapeutic-options
#4
REVIEW
Arnaud Jaccard
Treatment of polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes (POEMS) syndrome should be directed at the underlying plasma cell clone with risk-adapted therapy based on the extent of the plasma cell disorder. Radiation therapy is effective for patients with a localized presentation, without bone marrow involvement, and 1 to 3 bone lesions. Patients with disseminated disease should receive, preferably, high-dose chemotherapy with peripheral blood transplantation. Low-dose melphalan and dexamethasone or new agents used in myeloma are also effective...
February 2018: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/29157289/vitamin-c-plus-hydrogel-facilitates-bone-marrow-stromal-cell-mediated-endometrium-regeneration-in-rats
#5
Huan Yang, Su Wu, Ran Feng, Junjiu Huang, Lixiang Liu, Feng Liu, Yuqing Chen
BACKGROUND: Intrauterine adhesion (IUA) is a common uterine cavity disease which can be caused by mechanical damage that may eventually lead to infertility and pregnancy abnormalities. Since the effect of therapeutic drugs appears disappointing, cell therapy has emerged as an alternative choice for endometrium regeneration. The aim of this study is to investigate whether the combination of hydrogel Pluronic F-127 (PF-127), Vitamin C (Vc), and a bone marrow stromal cell (BMSC) mixture could be a feasible strategy to improve the endometrial regeneration in a mechanical damage model of IUA in rats...
November 21, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29157060/mycobacterium-genavense-infections-in-non-hiv-immunocompromised-hosts-a-systematic-review
#6
Maryam Mahmood, Saira Ajmal, Omar M Abu Saleh, Alexandra Bryson, Jasmine R Marcelin, John W Wilson
BACKGROUND: Mycobacterium genavense is a non-tuberculous mycobacterium which can rarely cause disease in non-HIV immunocompromised hosts. We describe our experience with this unusual infection and perform a systematic review of the literature to describe the features of M. genavense infection in non-HIV immunocompromised hosts. METHODS: All cases of Mycobacterium genavense infection in non-HIV patients at our institution were reviewed. In addition, we conducted a systematic review of the literature to identify previously published cases of M...
November 20, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/29156497/melanoma-in-patients-with-gata2-deficiency
#7
Jannett Nguyen, Tiffany Alexander, Hong Jiang, Natasha Hill, Zied Abdullaev, Svetlana D Pack, Amy P Hsu, Steven M Holland, Dennis D Hickstein, Eric A Engels, Isaac Brownell
GATA2 deficiency is a recently described genetic disorder affecting hematopoietic stem cells and is associated with immunodeficiency, cutaneous findings, and hematologic malignancy. The risk of non-hematologic malignancies is unclear. To explore the incidence and clinical course of melanoma in GATA2 deficient patients we conducted a retrospective chart review of 71 patients with GATA2 deficiency. We identified two patients with melanoma, including an invasive melanoma presenting as a graft-versus-tumor effect following bone marrow transplantation...
November 20, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/29156468/toxoplasma-gondii-associated-bilateral-panuveitis-and-encephalitis-after-bone-marrow-transplantation
#8
Anthia Papazoglou, Sandrine Zweifel, Daniel Barthelmes, Mayss Al-Sheikh, Christian Boeni
No abstract text is available yet for this article.
November 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29156081/cervical-hpv-prevalence-and-genotype-distribution-in-immunosuppressed-danish-women
#9
Mette T Roensbo, Jan Blaakaer, Karin Skov, Anne Hammer
INTRODUCTION: Women receiving immunosuppressive treatment due to organ transplantation are at increased risk of Human papilloma virus (HPV)-related diseases, including cervical neoplasia. This pilot study aimed to describe the cervical HPV prevalence and genotype distribution in immunosuppressed Danish women. MATERIAL AND METHODS: We included women who underwent renal- (RTR) or bone marrow transplantation (BMTR) in 2009-2012 or 2014 at Aarhus University Hospital, Denmark...
November 20, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29155440/severe-hypoglycemia-caused-by-lenalidomide
#10
Daniel J Przybylski, Ruemu Birhiray, David J Reeves
Lenalidomide is commonly used for multiple myeloma as either induction or maintenance therapy. The agent is associated with a host of adverse effects, but hypoglycemia has only been reported in one phase I trial in patients with solid tumors. We describe a 74-year-old woman who experienced grade 3 hypoglycemia (blood glucose level 35 mg/dL) likely related to lenalidomide. Her medical history was significant for refractory myeloma and type 2 diabetes mellitus. Lenalidomide was started as maintenance therapy following autologous bone marrow transplantation...
November 20, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/29155425/granulocyte-derived-tnf%C3%AE-promotes-vascular-and-hematopoietic-regeneration-in-the-bone-marrow
#11
Emily Bowers, Anastasiya Slaughter, Paul S Frenette, Rork Kuick, Oscar M Pello, Daniel Lucas
Endothelial cells are a critical component of the bone marrow (BM) stromal network, which maintains and regulates hematopoietic cells. Vascular regeneration precedes, and is necessary for, successful hematopoietic stem cell (HSC) transplantation, the only cure for most hematopoietic diseases. Recent data suggest that mature hematopoietic cells regulate BM stromal-cell function. Whether a similar cross-talk regulates the BM vasculature is not known. Here we found that donor hematopoietic cells act on sinusoidal endothelial cells and induce host blood vessel and hematopoietic regeneration after BM transplantation in mice...
November 20, 2017: Nature Medicine
https://www.readbyqxmd.com/read/29155317/treosulfan-fludarabine-conditioning-for-hsct-in-children-with-primary-immunodeficiency-uk-experience
#12
Mary A Slatter, Kanchan Rao, Intan Juliana Abd Hamid, Zohreh Nademi, Robert Chiesa, Reem Elfeky, Mark S Pearce, Persis Amrolia, Austen Worth, Terence Flood, Mario Abinun, Sophie Hambleton, Waseem Qasim, Hubert B Gaspar, Andrew J Cant, Andrew R Gennery, Paul Veys
We previously published results of 70 children who received treosulfan with cyclophosphamide (30) or fludarabine (40) before haematopoietic stem cell transplantation (HSCT) for Primary Immunodeficiency (PID). Toxicity was lower and T cell chimerism better in those receiving fludarabine, but numbers were relatively small and follow-up short. We now report outcome of 160 children who received homogeneous conditioning with treosulfan, fludarabine mostly with alemtuzumab (n=124). Median age at transplant was 1...
November 16, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29155316/influence-of-age-on-acute-and-chronic-gvhd-in-children-receiving-hla-identical-sibling-bmt-for-acute-leukemia-implications-for-prophylaxis
#13
Muna Qayed, Tao Wang, Michael T Hemmer, Stephen Spellman, Mukta Arora, Daniel Couriel, Amin Alousi, Joseph Pidala, Hisham Abdel-Azim, Mahmoud Aljuf, Mouhab Ayas, Menachem Bitan, Mitchell Cairo, Sung Won Choi, Christopher Dandoy, David Delgado, Robert Peter Gale, Gregory Hale, Haydar Frangoul, Rammurti T Kamble, Mohamed Kharfan-Dabaja, Leslie Lehman, John Levine, Margaret MacMillan, David I Marks, Taiga Nishihori, Richard F Olsson, Peiman Hematti, Olov Ringden, Ayman Saad, Prakash Satwani, Bipin N Savani, Kirk R Schultz, Sachiko Seo, Shalini Shenoy, Edmund K Waller, Lolie Yu, Mary M Horowitz, John Horan
Relapse remains the major cause of mortality post hematopoietic cell transplantation (HCT) for pediatric acute leukemia. Previous research suggests that reducing the intensity of calcineurin inhibitor based graft versus host disease (GVHD) prophylaxis may be an effective strategy in abrogating the risk of relapse in pediatric patients undergoing matched sibling donor (MSD) HCT. We reasoned that benefits of this strategy could be maximized by selectively applying it to those patients least likely to develop GVHD...
November 16, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29153350/management-of-mobilization-failure-in-2017
#14
REVIEW
Sinem Namdaroglu, Serdal Korkmaz, Fevzi Altuntas
In contemporary clinical practice, almost all allogeneic transplantations and autologous transplantations now capitalize on peripheral blood stem cells (PBSCs) as opposed to bone marrow (BM) for the source of stem cells. In this context, granulocyte colony-stimulating factor (G-CSF) plays a pivotal role as the most frequently applied frontline agent for stem cell mobilization. For patients classified as high-risk, chemotherapy based mobilization regimens can be preferred as a first choice and it is notable that this also used for remobilization...
November 8, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29153313/what-is-the-role-of-biosimilar-g-csf-agents-in-hematopoietic-stem-cell-mobilization-at-present
#15
REVIEW
Serdal Korkmaz, Fevzi Altuntas
Mobilization of hematopoietic stem cells, which has largely replaced bone marrow harvesting as a source of hematopoietic stem cells, using recombinant agents such as filgrastim or lenograstim has become a standard procedure in both patients and healthy donors prior to peripheral blood stem cell collection for autologous and allogeneic stem cell transplantation. Published literature data suggest that mobilization with recombinant granulocyte-colony stimulating factor (G-CSF) is safe and mobilization outcomes are satisfactory...
November 8, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29153311/two-versus-three-day-upfront-use-of-granulocyte-colony-stimulating-factor-in-healthy-bone-marrow-donors-for-pediatric-bone-marrow-transplantation
#16
REVIEW
Tekin Aksu, İkbal Ok Bozkaya, Sibel Akpınar Tekgündüz, Mehtap Olcar Kanbur, Yasin Köksal, Meltem Özgüner, Namık Yaşar Özbek
In order to decrease donors' exposure to granulocyte-colony stimulating factor (G-CSF), we compared the effect of two versus three days of G-CSF priming on CD34+ yield in bone marrow (BM) harvest. Although the number of BM-CD34+ cells was higher in 3day G-CSF priming, we achieved the same number of CD34+ cells per recipient's weight in 2day G-CSF priming group, too. In addition, the number of total nucleated cells (TNC) harvested from BM were similar with two or three day regimen. But mononuclear cells (MNC) of the BM graft was higher in the 3day G-CSF priming group...
November 8, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29152660/therapeutic-effects-of-stat3-inhibition-by-nifuroxazide-on-murine-acute-graft-graft-vs-host-disease-old-drug-new-use
#17
Huijie Jia, Jing Cui, Xiaolong Jia, Jingjing Zhao, Yuchen Feng, Peijuan Zhao, Dan Zang, Jian Yu, Tiesuo Zhao, Hui Wang, Kailin Xu
Graft‑vs.‑host disease (GvHD) is a major and lethal complication of allogeneic bone marrow transplantation (allo‑BMT). Although great development has been made, the treatment progress of this disorder is slow. Research has illustrated that STAT3 was critical for T cell alloactivation in GvHD. In the present study, the authors hypothesized that nifuroxazide, as the STAT3 inhibitor, treatment may attenuate the development of acute GvHD (aGvHD). The results demonstrated that nifuroxazide suppressed the development of aGvHD and significantly delayed aGvHD‑induced lethality...
October 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29152658/hepatic-differentiation-of-mouse-bone-marrow%C3%A2-derived-mesenchymal-stem-cells-using-a-novel-3d-culture-system
#18
Qiong Wu, Jing Tang, Yi Li, Li Li, Yujia Wang, Ji Bao, Hong Bu
The development of novel culture systems that mimic the in vivo microenvironment may be beneficial for inducing the differentiation of stem cells and promoting liver function. In the present study, spheroid cultures and decellularized liver scaffolds (DLSs) were utilized to obtain differentiated hepatocyte‑like cells. Mouse bone marrow (BM)‑derived mesenchymal stem cells (MSCs) self‑aggregated into spheroids under low‑attachment conditions and implanted into the DLSs via a negative pressure suction device...
October 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29152615/scid-pigs-an-emerging-large-animal-nk-model
#19
Ellis J Powell, Joan E Cunnick, Christopher K Tuggle
Severe Combined ImmunoDeficiency (SCID) is defined as the lack or impairment of an adaptive immune system. Although SCID phenotypes are characteristically absent of T and B cells, many such SCID cellular profiles include the presence of NK cells. In human SCID patients, functional NK cells may impact the engraftment success of life saving procedures such as bone marrow transplantation. However, in animal models, a T cell-, B cell-, NK cell+ environment provides a valuable tool for asking specific questions about the extent of the innate immune system function as well as emerging NK targeted therapies against cancer...
2017: Journal of Rare Diseases Research & Treatment
https://www.readbyqxmd.com/read/29152226/an-overview-of-the-cutaneous-porphyrias
#20
REVIEW
Robert Dawe
This is an overview of the cutaneous porphyrias. It is a narrative review based on the published literature and my personal experience; it is not based on a formal systematic search of the literature. The cutaneous porphyrias are a diverse group of conditions due to inherited or acquired enzyme defects in the porphyrin-haem biosynthetic pathway. All the cutaneous porphyrias can have (either as a consequence of the porphyria or as part of the cause of the porphyria) involvement of other organs as well as the skin...
2017: F1000Research
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