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Bone marrow transplantation

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https://www.readbyqxmd.com/read/28524773/the-role-of-myeloid-cell-derived-pdgf-b-in-neotissue-formation-in-a-tissue-engineered-vascular-graft
#1
Ekene Onwuka, Cameron Best, Andrew Sawyer, Tai Yi, Eric Heuer, Malik Sams, Matthew Wiet, Hong Zheng, Themis Kyriakides, Christopher Breuer
AIM: Inflammatory myeloid lineage cells mediate neotissue formation in tissue-engineered vascular grafts, but the molecular mechanism is not completely understood. We examined the role of vasculogenic PDGF-B in tissue-engineered vascular graft neotissue development. MATERIALS & METHODS: Myeloid cell-specific PDGF-B knockout mice (PDGF-KO) were generated using bone marrow transplantation, and scaffolds were implanted as inferior vena cava interposition grafts in either PDGF-KO or wild-type mice...
May 19, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/28524367/transplantation-of-human-villous-trophoblasts-preserves-cardiac-function-in-mice-with-acute-myocardial-infarction
#2
Zegen Wang, Ningzheng Dong, Yayan Niu, Zhiwei Zhang, Ce Zhang, Meng Liu, Tiantian Zhou, Qingyu Wu, Ke Cheng
Over the past decade, cell therapies have provided promising strategies for the treatment of ischaemic cardiomyopathy. Particularly, the beneficial effects of stem cells, including bone marrow stem cells (BMSCs), endothelial progenitor cells (EPCs), mesenchymal stem cells (MSCs), embryonic stem cells (ESCs), and induced pluripotent stem cells (iPSCs), have been demonstrated by substantial preclinical and clinical studies. Nevertheless stem cell therapy is not always safe and effective. Hence, there is an urgent need for alternative sources of cells to promote cardiac regeneration...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28524176/lentivirus-mediated-microrna-124-gene-modified-bone-marrow-mesenchymal-stem-cell-transplantation-promotes-the-repair-of-spinal-cord-injury-in-rats
#3
Jia-Lin Song, Wei Zheng, Wei Chen, Yun Qian, Yuan-Ming Ouyang, Cun-Yi Fan
Our study aims to explore the effects of lentivirus-mediated microRNA-124 (miR-124) gene-modified bone marrow mesenchymal stem cell (BMSC) transplantation on the repair of spinal cord injury (SCI) in rats. BMSCs were isolated from the bone marrow of rats. The target gene miR-124 was identified using a luciferase-reporter gene assay. Seventy-two rats were selected for construction of the SCI model, and the rats were randomly divided into the blank group, sham group, SCI group, negative control (NC) group, overexpressed miR-124 group and si-PDXK group...
May 19, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28522857/combined-therapy-with-shock-wave-and-retrograde-bone-marrow-derived-cell-transplantation-for-osteochondral-lesions-of-the-talus
#4
Fuqiang Gao, Na Chen, Wei Sun, Bailiang Wang, Zhencai Shi, Liming Cheng, Zirong Li, Wanshou Guo
Multiple treatment strategies have been developed for osteochondral lesions (OCLs) of the talus. The purpose of this retrospective study was to assess retrograde autologous bone marrow cell (BMC) transplantation via core drilling (CD) combined with focused extracorporeal shock wave treatment (ESWT) in undisplaced OCL of the talus. A total of 69 patients with unilateral osteochondral lesions of the talus (Hepple grade I-III) were divided into two groups: 41 patients received combined therapy of ESWT and BMC transplantation (group A), while 28 were administered BMC transplantation alone (group B)...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522594/sphingomyelin-synthase-2-deficiency-inhibits-the-induction-of-murine-colitis-associated-colon-cancer
#5
Toshio Ohnishi, Chieko Hashizume, Makoto Taniguchi, Hidehiro Furumoto, Jia Han, Rongfen Gao, Shinichi Kinami, Takeo Kosaka, Toshiro Okazaki
Sphingomyelin synthase 2 (SMS2) is the synthetic enzyme of sphingomyelin (SM), which regulates membrane fluidity and microdomain structure. SMS2 plays a role in LPS-induced lung injury and inflammation; however, its role in inflammation-mediated tumorigenesis is unclear. We investigated the effect of SMS2 deficiency on dextran sodium sulfate (DSS)-induced murine colitis and found inhibition of DSS-induced inflammation in SMS2-deficient (SMS2(-/-)) mice. DSS treatment induced a significant increase in ceramide levels, with a decrease of SM levels in SMS2(-/-) colon tissue, and demonstrated attenuation of the elevation of both inflammation-related gene expression and proinflammatory cytokines and chemokines, leukocyte infiltration, and MAPK and signal transducer and activator of transcription 3 activation...
May 18, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28521652/case-report-patient-with-unexplained-high-fever-and-pancytopenia
#6
Kelly De Schuyter, Tom Lodewyck
OBJECTIVE AND IMPORTANCE: We present a case of hemophagocytic lymphohistiocytosis (HLH), giving insight in how to establish diagnosis and start appropiate treatment. CLINICAL PRESENTATION: A 45-year-old male presented at the emergency ward with high fever and pancytopenia. Repeat bone marrow aspirates showed hemophagocytosis. Extensive work-up with exclusion of other infectious and malignant diseases, eventually lead us to the diagnosis of hemophagocytic lymphohistiocytosis...
May 19, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28520587/complementary-roles-of-nod2-in-hematopoietic-and-nonhematopoietic-cells-in-preventing-gut-barrier-dysfunction-dependent-on-mlck-activity
#7
Ziad Al Nabhani, Nicolas Montcuquet, Maryline Roy, Monique Dussaillant, Jean-Pierre Hugot, Frédérick Barreau
BACKGROUND: Crohn's disease (CD) pathogenesis is multifactorial involving genetic and environmental factors. Loss of function mutations in the nucleotide oligomerization domain 2 (NOD2) gene are the main genetic risk factor for CD. Like patients with CD, Nod2 mice are characterized by an enhanced Th1 immune response and a defective mucosal barrier function evidenced by increased intestinal permeability. We previously showed that the latter is related to hematopoietic Nod2 deficiency. Our aim was to explore the mechanisms by which Nod2 expressed in the hematopoietic and in the nonhematopoietic compartments interplay to control epithelial paracellular permeability...
May 16, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28516949/paroxysmal-nocturnal-haemoglobinuria
#8
REVIEW
Anita Hill, Amy E DeZern, Taroh Kinoshita, Robert A Brodsky
Paroxysmal nocturnal haemoglobinuria (PNH) is a clonal haematopoietic stem cell (HSC) disease that presents with haemolytic anaemia, thrombosis and smooth muscle dystonias, as well as bone marrow failure in some cases. PNH is caused by somatic mutations in PIGA (which encodes phosphatidylinositol N-acetylglucosaminyltransferase subunit A) in one or more HSC clones. The gene product of PIGA is required for the biosynthesis of glycosylphosphatidylinositol (GPI) anchors; thus, PIGA mutations lead to a deficiency of GPI-anchored proteins, such as complement decay-accelerating factor (also known as CD55) and CD59 glycoprotein (CD59), which are both complement inhibitors...
May 18, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28516360/gilteritinib-a-flt3-axl-inhibitor-shows-antileukemic-activity-in-mouse-models-of-flt3-mutated-acute-myeloid-leukemia
#9
Masamichi Mori, Naoki Kaneko, Yoko Ueno, Masaki Yamada, Ruriko Tanaka, Rika Saito, Itsuro Shimada, Kenichi Mori, Sadao Kuromitsu
Advances in the understanding of the molecular basis for acute myeloid leukemia (AML) have generated new potential targets for treatment. Fms-like tyrosine kinase 3 (FLT3) is one of the most frequently mutated genes in AML and mutations in this gene are associated with poor overall survival. AXL plays a role in the activation of FLT3 and has been implicated in the pathogenesis of AML. The studies reported here evaluated the ability of a novel FLT3/AXL inhibitor, gilteritinib, to block mutated FLT3 in cellular and animal models of AML...
May 17, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28512588/severe-aplastic-anemia-following-parvovirus-b19-associated-acute-hepatitis
#10
Masanori Furukawa, Kosuke Kaji, Hiroyuki Masuda, Kuniaki Ozaki, Shohei Asada, Aritoshi Koizumi, Takuya Kubo, Norihisa Nishimura, Yasuhiko Sawada, Kosuke Takeda, Tsuyoshi Mashitani, Masayuki Kubo, Itsuto Amano, Tomoyuki Ootani, Chiho Ohbayashi, Koji Murata, Tatsuichi Ann, Akira Mitoro, Hitoshi Yoshiji
Human parvovirus (HPV) B19 is linked to a variety of clinical manifestations, such as erythema infectiosum, nonimmune hydrops fetalis, and transient aplastic anemia. Although a few cases have shown HPVB19 infection as a possible causative agent for hepatitis-associated aplastic anemia (HAAA) in immunocompetent patients, most reported cases of HAAA following transient hepatitis did not have delayed remission. Here we report a rare case of severe aplastic anemia following acute hepatitis with prolonged jaundice due to HPVB19 infection in a previously healthy young male...
2017: Case Reports in Hepatology
https://www.readbyqxmd.com/read/28512561/bone-marrow-homing-and-engraftment-defects-of-human-hematopoietic-stem-and-progenitor-cells
#11
REVIEW
Giovanni Caocci, Marianna Greco, Giorgio La Nasa
Homing of hematopoietic stem cells (HSC) to their microenvironment niches in the bone marrow is a complex process with a critical role in repopulation of the bone marrow after transplantation. This active process allows for migration of HSC from peripheral blood and their successful anchoring in bone marrow before proliferation. The process of engraftment starts with the onset of proliferation and must, therefore, be functionally dissociated from the former process. In this overview, we analyze the characteristics of stem cells (SCs) with particular emphasis on their plasticity and ability to find their way home to the bone marrow...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28512559/spirometric-evaluation-of-pulmonary-function-in-nigerian-children-underwent-bone-marrow-transplantation-for-sickle-cell-anemia
#12
Antonella Isgro', Marco Marziali, Katia Paciaroni, Gioia De Angelis, Cecilia Alfieri, Michela Ribersani, Festus Olusola Olowoselu, Guido Lucarelli, Javid Gaziev
No abstract text is available yet for this article.
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28512445/the-therapeutic-value-of-bone-marrow-derived-endothelial-progenitor-cell-transplantation-after-intracerebral-hemorrhage-in-rats
#13
Rui Zhang, Jing Yang, Jingjing Yuan, Bo Song, Yan Wang, Yuming Xu
AIMS: To study the effect of endothelial progenitor cell (EPC) treatment on intracerebral hemorrhage (ICH) in rats and elucidate possible mechanisms. METHODS: The rats were randomly divided into three groups: (1) EPC group: ICH + EPC, (2) phosphate-buffered saline group: ICH + PBS, and (3) sham group. EPCs were transplanted intravenously 6 h after ICH. Modified neurological severity score was used to evaluate neurological function. Blood-brain barrier (BBB) integrity was evaluated...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28511686/intrathymic-injection-of-hematopoietic-progenitor-cells-establishes-functional-t-cell-development-in-a-mouse-model-of-severe-combined-immunodeficiency
#14
Andrea Z Tuckett, Raymond H Thornton, Richard J O'Reilly, Marcel R M van den Brink, Johannes L Zakrzewski
BACKGROUND: Even though hematopoietic stem cell transplantation can be curative in patients with severe combined immunodeficiency, there is a need for additional strategies boosting T cell immunity in individuals suffering from genetic disorders of lymphoid development. Here we show that image-guided intrathymic injection of hematopoietic stem and progenitor cells in NOD-scid IL2rγ(null) mice is feasible and facilitates the generation of functional T cells conferring protective immunity...
May 16, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28509441/the-greek-registry-of-shwachman-diamond-syndrome-molecular-and-clinical-data
#15
Polyxeni Delaporta, Christalena Sofocleous, Marina Economou, Alexandros Makis, Stavroula Kostaridou, Antonis Kattamis
This study presents the clinical phenotype and molecular analysis findings from 11 patients recorded in the Greek Shwachman-Diamond syndrome (SDS) Registry. The most severely affected patient in our registry was diagnosed at birth and is the first patient reported to require bone marrow transplantation so early in life. Severe psoriasis, a feature not previously reported in SDS, was observed in one patient. Mutations in the Shwachman-Bodian-Diamond syndrome gene (SBDS) were found in all patients. Cytogenetic analyses revealed clonal abnormalities, one novel, in two patients...
May 16, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28508984/successful-treatment-of-myeloma-cast-nephropathy-using-bortezomib-based-chemotherapy-plus-selective-plasma-exchange
#16
Mayuko Kawabe, Izumi Yamamoto, Ai Katsuma, Naomi Hayashi, Yo Komatsuzaki, Yasuyuki Nakada, Akihiro Shimizu, Yudo Tanno, Ichiro Ohkido, Nobuo Tsuboi, Kazuhito Suzuki, Takaki Shimada, Yoji Ogasawara, Katsuki Sugiyama, Keisuke Aiba, Takashi Yokoo
Myeloma cast nephropathy is a major complication of multiple myeloma. Recent evidence has demonstrated that the earlier induction of bortezomib-based chemotherapy with plasma exchange (PE) provides better results for kidney function and patient survival. Due to its non-selectivity, PE with albumin replacement carries the risk of fibrinogen loss, leading to bleeding. We herein report a case of successful treatment of myeloma cast nephropathy using bortezomib-based chemotherapy and selective PE. A 61-year-old woman who had a 20-year history of type II diabetes mellitus was admitted to our hospital for the evaluation of hypercalcemia, severe kidney dysfunction, and anemia...
November 2016: CEN Case Reports
https://www.readbyqxmd.com/read/28507545/clinical-and-molecular-heterogeneity-of-rtel1-deficiency
#17
Carsten Speckmann, Sushree Sangita Sahoo, Marta Rizzi, Shinsuke Hirabayashi, Axel Karow, Nina Kathrin Serwas, Marc Hoemberg, Natalja Damatova, Detlev Schindler, Jean-Baptiste Vannier, Simon J Boulton, Ulrich Pannicke, Gudrun Göhring, Kathrin Thomay, J J Verdu-Amoros, Holger Hauch, Wilhelm Woessmann, Gabriele Escherich, Eckart Laack, Liliana Rindle, Maximilian Seidl, Anne Rensing-Ehl, Ekkehart Lausch, Christine Jandrasits, Brigitte Strahm, Klaus Schwarz, Stephan R Ehl, Charlotte Niemeyer, Kaan Boztug, Marcin W Wlodarski
Typical features of dyskeratosis congenita (DC) resulting from excessive telomere shortening include bone marrow failure (BMF), mucosal fragility, and pulmonary or liver fibrosis. In more severe cases, immune deficiency and recurring infections can add to disease severity. RTEL1 deficiency has recently been described as a major genetic etiology, but the molecular basis and clinical consequences of RTEL1-associated DC are incompletely characterized. We report our observations in a cohort of six patients: five with novel biallelic RTEL1 mutations p...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28506261/a-possible-role-of-low-regulatory-t-cells-in-anti-acetylcholine-receptor-antibody-positive-myasthenia-gravis-after-bone-marrow-transplantation
#18
Masahiko Fukatsu, Takenobu Murakami, Hiroshi Ohkawara, Shunichi Saito, Kazuhiko Ikeda, Suguru Kadowaki, Itaru Sasaki, Mari Segawa, Tomoko Soeda, Akihiko Hoshi, Hiroshi Takahashi, Akiko Shichishima-Nakamura, Kazuei Ogawa, Yoshihiro Sugiura, Hitoshi Ohto, Yasuchika Takeishi, Takayuki Ikezoe, Yoshikazu Ugawa
BACKGROUND: Chronic graft-versus-host disease (GVHD) appears several months following allogenic hematopoietic stem cell transplantation (HSCT) and is clinically analogous to autoimmune disorder. Polymyositis is a common neuromuscular disorder in chronic GVHD, but myasthenia gravis (MG) is extremely rare. Hence, its pathophysiology and treatment have not been elucidated. CASE PRESENTATION: A 63-year-old man with a history of chronic GVHD presented with ptosis, dropped head, and dyspnea on exertion, which had worsened over the previous several months...
May 15, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28505619/bone-marrow-mesenchymal-stem-cell-transplantation-increases-gap-43-expression-via-erk1-2-and-pi3k-akt-pathways-in-intracerebral-hemorrhage
#19
Jianzhong Cui, Changmeng Cui, Ying Cui, Ran Li, Huaxin Sheng, Xiaohua Jiang, Yanxia Tian, Kaijie Wang, Junling Gao
BACKGROUND/AIMS: Intracerebral hemorrhage (ICH) occurs in hypertensive patients and results in high rates of mortality and disability. This study determined whether bone marrow mesenchymal stem cell (BMSC) transplantation affects axonal regeneration and examined the underlying mechanisms after the administration of PD98059 (p-ERK1/2 inhibitor) or/ and LY294002 (PI3K inhibitor). The hypothesis that was intended to be tested was that BMSC transplantation regulates the expression of growth-associated protein-43 (GAP-43) via the ERK1/2 and PI3K/Akt signaling pathways...
May 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28504666/conditioning-regimens-for-allogeneic-hematopoietic-stem-cell-transplants-in-acute-myeloid-leukemia
#20
REVIEW
Y S Jethava, S Sica, B Savani, F Socola, M Jagasia, M Mohty, A Nagler, A Bacigalupo
AML is currently the first indication for allogeneic hematopoietic stem cell transplantation (allo-HSCT), as shown by international transplant registries. The conditioning regimens are classified as myeloablative conditioning, non-myeloablative or reduced intensity conditioning. Targeted radioimmunotherapy such as anti-CD45 antibody have also been added to the conditioning regimen in an attempt to improve tumor cell kill. Refinement of standard regimens has led to a reduction of non-relapse mortality, also in the older age group over 60 or 70 years of age...
May 15, 2017: Bone Marrow Transplantation
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