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https://www.readbyqxmd.com/read/29786481/rat-cranial-bone-derived-mesenchymal-stem-cell-transplantation-promotes-functional-recovery-in-ischemic-stroke-model-rats
#1
Masaru Abiko, Takafumi Mitsuhara, Takahito Okazaki, Takeshi Imura, Kei Nakagawa, Takashi Otsuka, Jumpei Oshita, Masaaki Takeda, Yumi Kawahara, Louis Yuge, Kaoru Kurisu
The functional disorders caused by central nervous system (CNS) diseases, such as ischemic stroke, are clinically incurable and current treatments have limited effects. Previous studies suggested that cell-based therapy using mesenchymal stem cells (MSCs) exerts therapeutic effects for ischemic stroke. In addition, the characteristics of MSCs may depend on their sources. Among the derived tissues of MSCs, we have focused on cranial bones originating from the neural crest. We previously demonstrated that the neurogenic potential of human cranial bone-derived MSCs (cMSCs) was higher than that of human iliac bone-derived MSCs...
May 22, 2018: Stem Cells and Development
https://www.readbyqxmd.com/read/29785446/digital-droplet-pcr-based-absolute-quantification-of-pre-transplant-npm1-mutation-burden-predicts-relapse-in-acute-myeloid-leukemia-patients
#2
Marius Bill, Juliane Grimm, Madlen Jentzsch, Laura Kloss, Karoline Goldmann, Julia Schulz, Stefanie Beinicke, Janine Häntschel, Michael Cross, Vladan Vucinic, Wolfram Pönisch, Gerhard Behre, Georg-Nikolaus Franke, Thoralf Lange, Dietger Niederwieser, Sebastian Schwind
Allogeneic hematopoietic stem cell transplantation is an established consolidation therapy for patients with acute myeloid leukemia. However, relapse after transplantation remains a major clinical problem resulting in poor prognosis. Thus, detection of measurable ("minimal") residual disease to identify patients at high risk of relapse is essential. A feasible method to determine measurable residual disease may be digital droplet PCR (ddPCR) that allows absolute quantification with high sensitivity and specificity without the necessity of standard curves...
May 22, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29784961/sarcodon-imbricatus-polysaccharides-improve-mouse-hematopoietic-function-after-cyclophosphamide-induced-damage-via-g-csf-mediated-jak2-stat3-pathway
#3
Xue Wang, Qiubo Chu, Xue Jiang, Yue Yu, Libian Wang, Yaqi Cui, Jiahui Lu, Lirong Teng, Di Wang
Sarcodon imbricatus, a rare medicinal and edible fungus, has various pharmacological bioactivities. We investigated the effects of S. imbricatus polysaccharides (SIPS) on hematopoietic function and identified the underlying mechanisms using in vitro experiments with CHRF, K562, and bone marrow mononuclear cells (BMMNCs) and in vivo experiments with a mouse model of cyclophosphamide-induced hematopoietic dysfunction. We found that SIPS induced proliferation and differentiation of CHRF and K562 cells and upregulated the expression of hematopoietic-related proteins, including p90 ribosomal S6 kinases (RSK1p90), c-Myc, and ETS transcription factor, in the two cell lines...
May 21, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29781563/associations-between-neutrophil-recovery-time-infections-and-relapse-in-pediatric-acute-myeloid-leukemia
#4
Ditte J A Løhmann, Peter H Asdahl, Jonas Abrahamsson, Shau-Yin Ha, Ólafur G Jónsson, Gertjan J L Kaspers, Minna Koskenvuo, Birgitte Lausen, Barbara De Moerloose, Josefine Palle, Bernward Zeller, Henrik Hasle
BACKGROUND: Children with acute myeloid leukemia (AML) treated similarly show different toxicity and leukemic responses. We investigated associations between neutrophil recovery time after the first induction course, infection and relapse in children treated according to NOPHO-AML 2004 and DB AML-01. PROCEDURE: Newly diagnosed patients with AML with bone marrow blast <5% between day 15 after the start of the treatment and the start of second induction course, and in complete remission after the second induction course were included (n = 279)...
May 21, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29775981/from-auto-to-allotransplantation-immunomodulatory-protocol-for-hand-and-arm-transplantation
#5
W P Andrew Lee, Jaimie T Shores, Gerald Brandacher
AIM:  To achieve a favorable risk-benefit balance for hand transplantation, an immunomodulatory protocol was developed in the laboratory and translated to clinical application. METHODS:  Following donor bone marrow infusion into transplant recipients, hand and arm allografts have been maintained on low-dose tacrolimus monotherapy. RESULTS:  Good-to-excellent functional recovery has been achieved in patients compliant with medication and therapy, thus restoring autonomous and productive lives...
May 18, 2018: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/29775645/mesenchymal-stromal-cells-induce-a-permissive-state-in-the-bone-marrow-that-enhances-g-csf-induced-hematopoietic-stem-cell-mobilization-in-mice
#6
Evert-Jan F M de Kruijf, Rob Zuijderduijn, Marjolein C Stip, Willem E Fibbe, Melissa van Pel
Mesenchymal stromal cells (MSC) support hematopoietic stem cells (HSC) in vivo and enhance HSC engraftment and hematopoietic recovery upon co-transplantation with HSC. These data have led to the hypothesis that MSC may impact the HSC niche, leading to changes in HSC retention and trafficking. We studied the effect of MSC administration on the HSC compartment in the bone marrow (BM) in mice. Following injection of MSC, HSC numbers in the BM were decreased coinciding with an increased cell cycle activity compared to PBS-injected controls...
May 15, 2018: Experimental Hematology
https://www.readbyqxmd.com/read/29774769/serum-mediated-activation-of-bone-marrow-derived-mesenchymal-stem-cells-in-ischemic-stroke-patients-a-novel-preconditioning-method
#7
Gyeong Joon Moon, Yeon Hee Cho, Dong Hee Kim, Ji Hee Sung, Jeong Pyo Son, Sooyoon Kim, Jae Min Cha, Oh Young Bang
Stroke induces complex and dynamic, local and systemic changes including inflammatory reactions, immune responses, and repair and recovery processes. Mesenchymal stem cells (MSCs) have been shown to enhance neurological recovery after stroke. We hypothesized that serum factors play a critical role in the activation of bone marrow (BM) MSCs after stroke such as by increasing proliferation, paracrine effects, and rejuvenation. Human MSCs (hMSCs) were grown in fetal bovine serum (FBS), normal healthy control serum (NS), or stroke patient serum (SS)...
January 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29771870/hyperfibrinolysis-is-an-important-cause-of-early-hemorrhage-in-patients-with-acute-promyelocytic-leukemia
#8
Yu-Hua Song, Chun Qiao, Li-Chan Xiao, Run Zhang, Hua - Lu
BACKGROUND The objective of the current study was to guide the early clinical treatment strategies by assessing the recovery of abnormal coagulation in acute promyelocytic leukemia (APL) patients during induction therapy. MATERIAL AND METHODS Retrospective analysis was performed in 112 newly-diagnosed patients with APL during induction treatment. RESULTS The early death (ED) rate in our study was 5.36% and the main cause was fetal hemorrhage. The presence of bleeding symptoms was significantly correlated with low platelet and fibrinogen levels...
May 17, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29767839/jak2-v617f-positive-acute-myeloid-leukaemia-aml-a-comparison-between-de-novo-aml-and-secondary-aml-transformed-from-an-underlying-myeloproliferative-neoplasm-a-study-from-the-bone-marrow-pathology-group
#9
Jason Aynardi, Rashmi Manur, Paul R Hess, Seble Chekol, Jennifer J D Morrissette, Daria Babushok, Elizabeth Hexner, Heesun J Rogers, Eric D Hsi, Elizabeth Margolskee, Attilio Orazi, Robert Hasserjian, Adam Bagg
The JAK2 V617F mutation is characteristic of most Philadelphia chromosome-negative myeloproliferative neoplasms (MPNs) and occurs rarely in de novo acute myeloid leukaemia (AML). We sought to characterize AMLs that harbour this mutation and distinguish those that arise de novo (AML-DN) from those that reflect transformation of an underlying MPN (AML-MPN). Forty-five patients with JAK2 V617F-mutated AML were identified; 15 were AML-DN and 30 were AML-MPN. AML-MPN cases were more likely to have splenomegaly (P = 0·02), MPN-like megakaryocytes and higher mean JAK2 V617F VAF at diagnosis (P = 0·04)...
May 16, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29765415/human-recombinant-peptide-sponge-enables-novel-less-invasive-cell-therapy-for-ischemic-stroke
#10
Michiyuki Miyamoto, Kentaro Nakamura, Hideo Shichinohe, Tomohiro Yamauchi, Masaki Ito, Hisayasu Saito, Masahito Kawabori, Toshiya Osanai, Tasuku Sasaki, Kiyohiro Houkin, Satoshi Kuroda
Bone marrow stromal cell (BMSC) transplantation has the therapeutic potential for ischemic stroke. However, it is unclear which delivery routes would yield both safety and maximal therapeutic benefits. We assessed whether a novel recombinant peptide (RCP) sponge, that resembles human collagen, could act as a less invasive and beneficial scaffold in cell therapy for ischemic stroke. BMSCs from green fluorescent protein-transgenic rats were cultured and Sprague-Dawley rats were subjected to permanent middle cerebral artery occlusion (MCAo)...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765406/the-differentiation-balance-of-bone-marrow-mesenchymal-stem-cells-is-crucial-to-hematopoiesis
#11
REVIEW
Jiang Wu, Weiwei Zhang, Qian Ran, Yang Xiang, Jiang F Zhong, Shengwen Calvin Li, Zhongjun Li
Bone marrow mesenchymal stem cells (BMSCs), the important component and regulator of bone marrow microenvironment, give rise to hematopoietic-supporting stromal cells and form hematopoietic niches for hematopoietic stem cells (HSCs). However, how BMSC differentiation affects hematopoiesis is poorly understood. In this review, we focus on the role of BMSC differentiation in hematopoiesis. We discussed the role of BMSCs and their progeny in hematopoiesis. We also examine the mechanisms that cause differentiation bias of BMSCs in stress conditions including aging, irradiation, and chemotherapy...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29760731/recovery-of-donor-hematopoiesis-after-graft-failure-and-second-hematopoietic-stem-cell-transplantation-with-intraosseous-administration-of-mesenchymal-stromal-cells
#12
Nataliya Petinati, Nina Drize, Natalia Sats, Natalya Risinskaya, Andrey Sudarikov, Michail Drokov, Daria Dubniak, Alina Kraizman, Maria Nareyko, Natalia Popova, Maya Firsova, Larisa Kuzmina, Elena Parovichnikova, Valeriy Savchenko
Multipotent mesenchymal stromal cells (MSCs) participate in the formation of bone marrow niches for hematopoietic stem cells. Donor MSCs can serve as a source of recovery for niches in patients with graft failure (GF) after allogeneic bone marrow (BM) transplantation. Since only few MSCs reach the BM after intravenous injection, MSCs were implanted into the iliac spine. For 8 patients with GF after allo-BMT, another hematopoietic stem cell transplantation with simultaneous implantation of MSCs from their respective donors into cancellous bone was performed...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29760547/comparison-of-the-effects-of-deferasirox-deferoxamine-and-combination-of-deferasirox-and-deferoxamine-on-an-aplastic-anemia-mouse-model-complicated-with-iron-overload
#13
Dijiong Wu, Xiaowen Wen, Wenbin Liu, Huijin Hu, Baodong Ye, Yuhong Zhou
Background and aim: Iron overload is commonly observed during the course of aplastic anemia (AA), which is believed to aggravate hematopoiesis, cause multiple organ dysfunction, lead to disease progression, and impair quality of life. Deferasirox (DFX) and deferoxamine (DFO) are among the most common iron chelation agents available in the clinical setting. The aim of this study was to investigate if the combination therapy with DFX and DFO is superior in hematopoietic recovery and iron chelation...
2018: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29753837/status-of-nk-cell-recovery-in-day-21-bone-marrow-after-allogeneic-hematopoietic-stem-cell-transplantation-predicts-clinical-outcome
#14
Norimichi Hattori, Bungo Saito, Yohei Sasaki, Shotaro Shimada, So Murai, Maasa Abe, Yuta Baba, Megumi Watanuki, Shun Fujiwara, Yukiko Kawaguchi, Nana Arai, Nobuyuki Kabasawa, Hiroyuki Tsukamoto, Yui Uto, Hirotsugu Ariizumi, Kouji Yanagisawa, Hiroshi Harada, Tsuyoshi Nakamaki
Rapid immune recovery following allogeneic hematopoietic stem cell transplantation (allo-HSCT) is important for clinical outcome prediction. In most studies, immune recovery after allo-HSCT has been monitored via peripheral blood. However, few reports regarding the status of absolute lymphocyte subsets in the bone marrow (BM) microenvironment have been undertaken. Therefore, we evaluated the clinical impact of immune recovery in the early period following allo-HSCT using BM samples. We showed that delayed natural killer (NK) cell recovery was independently associated with a poor prognosis for overall survival (hazard ratio (HR), 3...
May 10, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29752735/rbpi-21-opebacan-promotes-rapid-trilineage-hematopoietic-recovery-in-a-murine-model-of-high-dose-total-body-irradiation
#15
Kenneth J Janec, Huaiping Yuan, James E Norton, Rowan H Kelner, Christian K Hirt, Rebecca A Betensky, Eva C Guinan
The complexity of providing adequate care after radiation exposure has drawn increasing attention. While most therapeutic development has focused on improving survival at lethal radiation doses, acute hematopoietic syndrome (AHS) occurs at substantially lower exposures. Thus, it is likely that a large proportion of such a radiation-exposed population will manifest AHS of variable degree and that the medical and socioeconomic costs of AHS will accrue. Here, we examined the potential of rBPI21 (opebacan), used without supportive care, to accelerate hematopoietic recovery after radiation where expected survival was substantial (42-75%) at 30 days)...
May 11, 2018: American Journal of Hematology
https://www.readbyqxmd.com/read/29752089/hucmsc-derived-exosomes-promote-functional-recovery-in-spinal-cord-injury-mice-via-attenuating-inflammation
#16
Guodong Sun, Guangqiang Li, Dehai Li, Wanjun Huang, Renwen Zhang, Hua Zhang, Yuanyuan Duan, Baocheng Wang
The exploration of effective spinal cord injury (SCI) healing still remain a great challenge due to the high morbidity, complex pathology and unclear targets. Human umbilical cord mesenchymal stem cells (hucMSC) play an important role in tissue regeneration. However, transplanting stem cells has a potential risk of teratogenicity. Recent studies have suggested that exosomes secreted by stem cells may contribute to tissue injury repair. We hypothesized that the application of hucMSC derived exosomes may be a potential way for SCI treatment...
August 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29742693/a-successful-treatment-of-severe-systemic-lupus-erythematosus-caused-by-occult-pulmonary-infection-associated-with-hemophagocytic-syndrome-a-case-report
#17
Weihong Shi, Mingyang Duan, Ligang Jie, Weifeng Sun
RATIONALE: A 27-year-old woman with a history of systemic lupus erythaematosus (SLE) developed hemophagocytic syndrome (HPS) secondary due to an unrecognized infection that led to severe SLE with a prolonged recovery. PATIENT CONCERNS: The patient showed a high spiking fever and myalgia. Laboratory data revealed pancytopenia and immunological abnormalities. Pulse methylprednisone plus intravenous immunoglobulin (IVIG) failed to improve the clinical symptoms and laboratory data...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29736174/diabetic-ephrin-b2-stimulated-peripheral-blood-mononuclear-cells-enhance-poststroke-recovery-in-mice
#18
Rose Hilal, Marine Poittevin, Adrien Pasteur-Rousseau, Adrien Cogo, Gabrielle Mangin, Marie Chevauché, Yasmine Ziat, José Vilar, Jean-Marie Launay, Jean-François Gautier, Dong Broquères-You, Bernard I Levy, Tatyana Merkulova-Rainon, Nathalie Kubis
Clinical trials of cell therapy in stroke favor autologous cell transplantation. To date, feasibility studies have used bone marrow-derived mononuclear cells, but harvesting bone marrow cells is invasive thus complicating bedside treatment. We investigated the therapeutic potential of peripheral blood-derived mononuclear cells (PB-MNC) harvested from diabetic patients and stimulated by ephrin-B2 (PB-MNC+) (500,000 cells), injected intravenously 18-24 hours after induced cerebral ischemia in mice. Infarct volume, neurological deficit, neurogenesis, angiogenesis, and inflammation were investigated as were the potential mechanisms of PB-MNC+ cells in poststroke neurorepair...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29728592/the-positive-effect-of-chick-embryo-and-nutrient-mixture-on-bone-marrow-derived-mesenchymal-stem-cells-from-aging-rats
#19
Jia Ma, Yanru Guo, Jialei Hu, Yue Pan, Xia Qi, Huaxin Wang, Li Jia
The aging of many mammalian tissues is associated with loss of functional adult stem cells, especially bone marrow-derived mesenchymal stem cells (BMSCs). This study was aimed to analyze the biological effect of chick embryo (CE) and nutrient mixture (NM) on the BMSCs of aging rats. The aging rat model was established to be induced by D-galactose (500 mg/kg/d) for 90 days. Meanwhile, aging rats were fed with CE and NM in different dose manner by intragastric administration. At the end of the experimental period, serum was collected from rats and used for BMSCs culture...
May 4, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29726788/outcomes-in-obese-patients-undergoing-induction-therapy-for-acute-leukemia
#20
Lauren Dombrowski, Leila Mohassel
Obesity continues to be a growing epidemic in the United States. Guidelines published by American Society of Clinical Oncology in 2012 recommend dosing chemotherapy using actual body weight. However, the guidelines do not provide guidance for patients with hematologic malignancies. The objective of this study was to evaluate outcomes in obese patients undergoing induction chemotherapy for acute leukemia versus nonobese patients using actual body weight dosing. This single center retrospective chart review from November 2012 to August 2016 evaluated newly diagnosed leukemia patients who received induction chemotherapy dosed on actual body weight...
January 1, 2018: Journal of Oncology Pharmacy Practice
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