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https://www.readbyqxmd.com/read/27913467/transplantation-for-bone-marrow-failure-current-issues
#1
Régis Peffault de Latour
The preferred treatment of idiopathic aplastic anemia (AA) is allogeneic hematopoietic stem cell transplantation (HSCT) from a human leukocyte antigen (HLA)-identical sibling donor. Transplantation from a well-matched unrelated donor (MUD) may be considered for patients without a sibling donor after failure of immunosuppressive therapy, as may alternative transplantation (mismatched, cord blood or haplo-identical HSCT) for patients without a MUD. HSCT may also be contemplated for congenital disorders in cases of pancytopenia or severe isolated cytopenia...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27912248/mean-arterial-blood-pressure-management-of-acute-spinal-cord-injured-patients-during-the-pre-hospital-and-early-admission-period
#2
Jin Wee Tee, Farhaan Altaf, Lise M Belanger, Tamir Ailon, John Street, Scott J Paquette, Michael C Boyd, Charles G Fisher, Marcel F Dvorak, Brian K Kwon
The optimization and maintenance of mean arterial blood pressure (MAP) and the general avoidance of systemic hypotension for the first 5 to 7 days following acute traumatic SCI is considered to be important for minimizing secondary spinal cord ischemic damage. The characterization of hemodynamic parameters in the immediate post-injury stage prior to admission to a specialized spine unit has not been previously reported. Here we describe the blood pressure management of 40 acute tSCI patients in the early post-injury phases of care prior to their arrival in a specialized spinal injury high dependency unit (HDU), intensive care unit (ICU) or operating room (OR)...
December 2, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27911970/association-between-maternal-perceived-psychological-stress-and-fetal-telomere-length
#3
Hamisu M Salihu, Lindsey M King, Chiaka Nwoga, Arnut Paothong, Anupam Pradhan, Phillip J Marty, Rana Daas, Valerie E Whiteman
OBJECTIVE: Our study aimed to investigate the association between maternal-perceived psychological stress and fetal telomere length. METHODS: We recruited women in labor upon hospital delivery admission. Based on responses to the Perceived Stress Scale, we categorized participants as having "high," "normal," or "low" perceived stress. We collected umbilical cord blood samples (N = 71) and isolated genomic DNA from cord blood leukocytes using quantitative polymerase chain reaction...
December 2016: Southern Medical Journal
https://www.readbyqxmd.com/read/27910226/successful-treatment-of-post-dural-puncture-headache-using-epidural-fibrin-glue-patch-after-persistent-failure-of-epidural-blood-patches
#4
Kevin Wong, Brian R Monroe
OBJECTIVES: Epidural blood patch is the gold standard for the treatment of post-dural puncture headache (PDPH) when conservative treatments have failed to provide any relief. However, alternative therapies are lacking when epidural blood patch persistently fails to improve symptoms. Failure to treat PDPH may lead to significant functional impairment of daily living. Alternative therapies should be sought to accelerate recovery from PDPH. CASE REPORT: This case describes a woman who developed PDPH secondary to accidental dural puncture during a spinal cord stimulator trial...
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27909976/erratum-to-regulation-of-caveolin-1-and-junction-proteins-by-bfgf-contributes-to-the-integrity-of-blood-spinal-cord-barrier-and-functional-recovery
#5
Li-Bing Ye, Xi-Chong Yu, Qing-Hai Xia, Ying Yang, Da-Qing Chen, Fenzan Wu, Xiao-Jie Wei, Xie Zhang, Bin-Bin Zheng, Xiao-Bing Fu, Hua-Zi Xu, Xiao-Kun Li, Jian Xiao, Hong-Yu Zhang
No abstract text is available yet for this article.
December 1, 2016: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/27909435/immune-reconstitution-after-allogeneic-hematopoietic-stem-cell-transplantation
#6
REVIEW
Justyna Ogonek, Mateja Kralj Juric, Sakhila Ghimire, Pavankumar Reddy Varanasi, Ernst Holler, Hildegard Greinix, Eva Weissinger
The timely reconstitution and regain of function of a donor-derived immune system is of utmost importance for the recovery and long-term survival of patients after allogeneic hematopoietic stem cell transplantation (HSCT). Of note, new developments such as umbilical cord blood or haploidentical grafts were associated with prolonged immunodeficiency due to delayed immune reconstitution, raising the need for better understanding and enhancing the process of immune reconstitution and finding strategies to further optimize these transplant procedures...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27909219/superior-survival-of-ex-vivo-cultured-human-reticulocytes-following-transfusion-into-mice
#7
Sabine Kupzig, Stephen F Parsons, Elinor Curnow, David J Anstee, Allison Blair
The generation of cultured red blood cells from stem cell sources may fill an unmet clinical need for transfusion dependent patients, particularly in countries that lack a sufficient and safe blood supply. Cultured red blood cells were generated from human CD34+ cells from adult peripheral blood or cord blood by ex vivo expansion and a comprehensive in vivo survival comparison with standard red cell concentrates was undertaken. Significant amplification (>105 fold) was achieved using CD34+ cells from both cord blood and peripheral blood, generating high yields of enucleated cultured red blood cells...
December 1, 2016: Haematologica
https://www.readbyqxmd.com/read/27907094/continuous-descending-modulation-of-the-spinal-cord-revealed-by-functional-mri
#8
Patrick W Stroman, Rachael L Bosma, Andreea I Cotoi, Roxanne H Leung, Jennifer Kornelsen, Jane M Lawrence-Dewar, Caroline F Pukall, Roland Staud
Spontaneous variations in spinal cord activity may arise from regulation of any of a number of functions including sensory, motor, and autonomic control. Here, we use functional MRI (fMRI) of healthy participants to identify properties of blood oxygenation-level dependent (BOLD) variations in the spinal cord in response to knowledge that either a noxious stimulus is impending, or that no stimulus is to be expected. Expectation of a noxious stimulus, or no stimulus, is shown to have a significant effect on wide-spread BOLD signal variations in the spinal cord over the entire time period of the fMRI acquisition...
2016: PloS One
https://www.readbyqxmd.com/read/27906881/stem-cells-and-clinical-practice-new-advances-and-challenges-at-the-time-of-emerging-problems-with-induced-pluripotent-stem-cell-therapies
#9
Mariusz Z Ratajczak, Kamila Bujko, Wojciech Wojakowski
Humans, like other species that reproduce sexually, originate from a fertilized oocyte (zygote), which is a totipotent stem cell giving rise to an adult organism. During the process of embryogenesis, stem cells at different levels of the developmental hierarchy establish all 3 germ layers and give rise to tissue‑committed stem cells, which are responsible for rejuvenation of a given tissue or organ. The robustness of the stem cell compartment is one of the major factors that directly impact life quality as well as lifespan...
November 10, 2016: Polskie Archiwum Medycyny Wewnętrznej
https://www.readbyqxmd.com/read/27906795/factors-determining-the-outcome-of-hematopoietic-stem-cell-transplantation-in-patients-with-acute-lymphoblastic-leukemia-at-king-faisal-specialist-hospital-and-research-center-riyadh-saudi-arabia
#10
Suleimman Al-Sweedan, Amal Al-Seraihy, Ali Al-Ahmari, Abdullah Al-Jefri, Viqaruddin Mohammed, Rafat Jafri, Khawar Siddiqui, Mouhab Ayas
Medical records of 82 patients with acute lymphoblastic leukemia (ALL) who underwent hematopoietic cell transplantation (HCT) at our institution from 2005 to 2011 were reviewed. Forty-five patients were male (54.8%). The median age at HCT was 7.46 years (range, 0.98 to 14.31 y), the median time to HCT after diagnosis was 12.56 months. Ten patients were below the age of 1 year (12%). All patients were in complete remission at the time of HCT. In 83 transplants, 64 patients received HCT from human leukocyte antigen-identical-related donors and 19 from other donors...
November 30, 2016: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/27906739/posterior-vertebral-column-resection-with-intraoperative-manual-retraction-for-the-treatment-of-posttubercular-kyphosis-in-upper-thoracic-spine-or-cervicothoracic-junction
#11
Yuqiao Chen, Guohua Lü, Bing Wang, Lei Li, Lei Kuang
STUDY DESIGN: This is a case-series. OBJECTIVE: To evaluate the clinical and radiologic outcomes of posterior vertebral column resection (PVCR) for treatment of posttubercular kyphosis in upper thoracic spine and cervicothoracic junction (CTJ). SUMMARY OF BACKGROUND DATA: Surgical management of severe posttubercular kyphosis in upper thoracic spine or CTJ is challenging. A new technique that combines PVCR and intraoperative manual traction in a single procedure, was developed to maximize the correction rate and minimize the risk of dural buckling and spinal cord injury...
November 30, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27906056/umbilical-cord-blood-derived-non-hematopoietic-stem-cells-retrieved-and-expanded-on-bone-marrow-derived-extracellular-matrix-display-pluripotent-characteristics
#12
Junjie Wu, Yun Sun, Travis J Block, Milos Marinkovic, Zhi-Liang Zhang, Richard Chen, Yixia Yin, Juquan Song, David D Dean, Zhongding Lu, Xiao-Dong Chen
BACKGROUND: Umbilical cord blood (UCB) not only contains hematopoietic stem cells (HSCs), but also non-hematopoietic stem cells (NHSCs) that are able to differentiate into a number of distinct cell types. Based on studies published to date, the frequency of NHSCs in UCB is believed to be very low. However, the isolation of these cells is primarily based on their adhesion to tissue culture plastic surfaces. METHODS AND RESULTS: In the current study, we demonstrate that this approach overlooks some of the extremely immature NHSCs because they lack the ability to adhere to plastic...
December 1, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27905684/the-effect-of-maternal-and-infant-factors-on-cord-blood-yield
#13
REVIEW
Seyed Hadi Mousavi, Saeid Abroun, Morteza Zarrabi, Mona Ahmadipanah
Umbilical cord blood (CB) can be used as an alternative hematopoietic stem cell source for transplantation in hematological malignancy and blood disorders. The success of transplantation is highly related to the levels of total nucleated cell and CD34(+) cell counts. The evaluation of optimal conditions can decrease the rate of graft rejection due to low cell count and increases the quality of CB units (CBUs) in the blood bank and the success rate of engraftment. To this end, we review the maternal and infant parameters affecting the quality and quantity of CBUs...
December 1, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27904117/successful-cord-blood-stem-cell-transplantation-for-an-adult-case-of-chronic-active-epstein-barr-virus-infection
#14
Masuho Saburi, Masao Ogata, Takako Satou, Natsumi Yoshida, Kentaro Nagamatsu, Yuko Nashimoto, Yui Moroga, Kuniko Takano, Kazuhiro Kohno, Kuniaki Shirao
A 41-year-old man was referred to our hospital for treatment of anaplastic lymphoma kinase (ALK)-negative anaplastic large cell lymphoma. Chronic active Epstein-Barr virus (CAEBV) was diagnosed based on the findings of elevated EBV antibody titers and positive EBV-DNA in the peripheral blood, and cord blood stem cell transplantation (CBT) was performed. The EBV-DNA levels in the blood fell below the limit of detection. His lymphoma relapsed on Day 165 with the appearance of eruptions, which disappeared after the withdrawal of tacrolimus...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27903362/-levels-of-dichlorodiphenyltrichloroethane-internal-exposure-levels-in-pregnant-women-of-xiamen-and-influencing-factors
#15
X S Yu, J He, J H Chen, Z B Lai, Y H Su, M M Shi, Z X Huang, Q J Cheng, X Y Ke, B H Zhao
Objective: To investigate the level of and factors influencing internal exposure to dichlorodiphenyltrichloroethane (DDT) in pregnant women. Methods: In all, 1 064 pregnant women were recruited in a hospital of Xiamen. Participants were asked to complete a questionnaire to obtain data on sociodemographic characteristics and lifestyle. Peripheral venous blood and cord blood samples were collected. Of the 1 064 pregnant women, 600 were enrolled in this study after completing the questionnaire and providing peripheral venous blood and cord blood...
November 6, 2016: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/27903284/gp50-as-a-promising-early-diagnostic-antigen-for-taenia-multiceps-infection-in-goats-by-indirect-elisa
#16
Xing Huang, Jing Xu, Yu Wang, Cheng Guo, Lin Chen, Xiaobin Gu, Weimin Lai, Xuerong Peng, Guangyou Yang
BACKGROUND: Coenurosis is caused by coenurus, the metacestode of Taenia multiceps, which mainly parasitizes the brain and spinal cord of cattle, sheep and goats. To date, no widely-approved methods are available to identify early coenurus infection. METHODS: In this study, we identified a full-length cDNA that encodes GP50 (TmGP50) from the transcriptome of T. multiceps, and then cloned and expressed in E. coli. The native proteins in adult stage and coenurus were located via immunofluorescence assays, while the potential of recombinant TmGP50 protein (rTmGP50) for indirect ELISA-based serodiagnostics was assessed using native goat sera...
December 1, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27902956/usefulness-of-cervical-computed-tomography-and-magnetic-resonance-imaging-for-rapid-diagnosis-of-crowned-dens-syndrome-a-case-report-and-review-of-the-literature
#17
Akihiro Inoue, Kanehisa Kohno, Satoko Ninomiya, Hitomi Tomita, Shinji Iwata, Shiro Ohue, Kenji Kamogawa, Kensho Okamoto, Shinya Fukumoto, Haruhisa Ichikawa, Shinji Onoue, Saya Ozaki, Bungo Okuda
INTRODUCTION: Crowned dens syndrome is a rare disease entity which radiologically shows calcification of the cruciform ligament around the odontoid process. We report a patient with crowned dens syndrome who improved dramatically in 5days following treatment with oral nonsteroidal anti-inflammatory medication. PRESENTATION OF CASE: A 61-year-old man was admitted to our hospital with a severe occipital headache and sudden onset of neck stiffness. Neurological examination on admission revealed a high fever and cervical rigidity...
November 23, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27902355/the-use-of-human-umbilical-cord-blood-serum-is-beneficial-for-the-continuous-production-of-hepatitis-c-virus
#18
Xiao-Yang Jiao, Rineke H G Steenbergen, D Lorne Tyrrell
In this study we investigated if human umbilical cord blood serum (CBS) is a suitable replacement for fetal bovine serum (FBS) in cultures of human hepatoma cell line Huh7.5, particularly regarding its capacity to maintain high growth rates, differentiation status and its ability to support robust HCV infection. Generally, CBS cultured Huh7.5 cells remained comparable to FBS cultured cells, and proliferated equally well. Albumin secretion, a hepatocyte differentiation marker, had increased 8x in CBS, however, most other hepatocyte markers we tested had not changed...
October 24, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27901098/tumor-specific-delivery-of-biologics-by-a-novel-t-cell-line-hozot
#19
Teppei Onishi, Hiroshi Tazawa, Yuuri Hashimoto, Makoto Takeuchi, Takeshi Otani, Shuji Nakamura, Fuminori Sakurai, Hiroyuki Mizuguchi, Hiroyuki Kishimoto, Yuzo Umeda, Yasuhiro Shirakawa, Yasuo Urata, Shunsuke Kagawa, Toshiyoshi Fujiwara
"Cell-in-cell" denotes an invasive phenotype in which one cell actively internalizes in another. The novel human T-cell line HOZOT, established from human umbilical cord blood, was shown to penetrate a variety of human cancer cells but not normal cells. Oncolytic viruses are emerging as biological therapies for human cancers; however, efficient viral delivery is limited by a lack of tumor-specific homing and presence of pre-existing or therapy-induced neutralizing antibodies. Here, we report a new, intriguing approach using HOZOT cells to transmit biologics such as oncolytic viruses into human cancer cells by cell-in-cell invasion...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27899358/cytohesin-1-regulates-homing-and-engraftment-of-human-hematopoietic-stem-and-progenitor-cells
#20
Justyna Rak, Katie Foster, Katarzyna Potrzebowska, Mehrnaz Safaee Talkhoncheh, Natsumi Miharada, Karolina Komorowska, Therese Torngren, Anders Kvist, Åke Borg, Lena Svensson, Dominique Bonnet, Jonas Larsson
Adhesion is a key component of hematopoietic stem cell regulation mediating homing and retention to the niche in the bone marrow. Here, using an RNA interference screen, we identify cytohesin 1 (CYTH1) as a critical mediator of adhesive properties in primary human cord-blood derived hematopoietic stem and progenitor cells (HSPCs). Knockdown of CYTH1 disrupted adhesion of HSPC to primary human mesenchymal stroma cells (MSCs). Attachment to fibronectin and ICAM1, two integrin ligands, was severely impaired, and CYTH1 deficient cells showed a reduced integrin β1 activation response, suggesting that CYTH1 mediates integrin-dependent functions...
November 29, 2016: Blood
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