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https://www.readbyqxmd.com/read/28632432/serum-micrornas-as-early-indicators-for-estimation-of-exposure-degree-in-response-to-ionizing-irradiation
#1
Wenjun Wei, Jinpeng He, Jufang Wang, Nan Ding, Bing Wang, Sulan Lin, Xurui Zhang, Junrui Hua, He Li, Burong Hu
Exposure to ionizing radiation from nuclear devices, spaceflights or terrorist attacks represents a major threat to human health and public security. After a radiological incident, noninvasive biomarkers that can facilitate rapid assessment of exposure risk in the early stages are urgently needed for optimal medical treatment. Serum microRNAs (miRNAs) are ideal biomarkers because they are stable in response to environmental changes, they are common among different species and are easily collected. Here, we performed miRNA PCR arrays to analyze miRNA expression profiles at 24 h postirradiation...
June 20, 2017: Radiation Research
https://www.readbyqxmd.com/read/28626096/-analgesic-effect-of-buccal-acupuncture-on-acute-arthritis-in-rabbits-and-underlying-mechanisms
#2
Wangjun Jie, Xiaoli Fang, Ruisheng Pu, Chenghong Su, Yanju Zhang, Yongle Pu, Chenguang Yang
To observe the analgesic effect of acupuncture and to explore its central analgesic mechanism in rheumatoid arthritis rabbits.
 Methods: A total of 60 flap-eared white rabbits were randomly assigned into a normal control group (n=6), a model group (n=6), a body-acupuncture group (n=24), and a buccal acupuncture group (n=24). The later 2 groups were further randomly assigned into 0, 0.5, 1, and 2 h subgroups, with 6 cases in each group. The rheumatoid arthritis model was established by induction of egg-albumin...
May 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28614903/thiotepa-based-conditioning-versus-total-body-irradiation-as-myeloablative-conditioning-prior-to-allogeneic-stem-cell-transplantation-for-acute-lymphoblastic-leukemia-a-matched-pair-analysis-from-the-acute-leukemia-working-party-of-the-european-society-for
#3
Sandra Eder, Jonathan Canaani, Eric Beohou, Myriam Labopin, Miguel A Sanz, William Arcese, Reuven Or, Juergen Finke, Agostino Cortelezzi, Dietrich Beelen, Jakob Passweg, Gerard Socié, Gunhan Gurman, Mahmoud Aljurf, Matthias Stelljes, Sebastian Giebel, Mohamad Mohty, Arnon Nagler
The optimal conditioning regimen to employ before hematopoieitic stem cell transplantation in acute lymphoblastic leukemia (ALL) is still undecided, and while Cy/TBI is the most commonly used myeloablative regimen, there are concerns regarding long term toxicity for patients conditioned with this regimen. Thiotepa based conditioning is an emerging radiation free regimen with recent publications indicative of comparable clinical outcomes to TBI based conditioning. In this analysis of the acute leukemia working party of the EBMT, we performed a retrospective matched-pair analysis, evaluating the outcome of adult patients with ALL who received thiotepa-based conditioning (n=180) with those receiving Cy/TBI conditioning (n=540)...
June 14, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28598293/stereotactic-body-radiotherapy-for-de-novo-spinal-metastases-systematic-review
#4
Zain A Husain, Arjun Sahgal, Antonio De Salles, Melissa Funaro, Janis Glover, Motohiro Hayashi, Masahiro Hiraoka, Marc Levivier, Lijun Ma, Roberto Martínez-Alvarez, J Ian Paddick, Jean Régis, Ben J Slotman, Samuel Ryu
OBJECTIVE The aim of this systematic review was to provide an objective summary of the published literature pertaining to the use of stereotactic body radiation therapy (SBRT) specific to previously untreated spinal metastases. METHODS The authors performed a systematic review, using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, of the literature found in a search of Medline, PubMed, Embase, and the Cochrane Library up to March 2015. The search strategy was limited to publications in the English language...
June 9, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28592758/haploidentical-transplantation-using-post-transplant-high-dose-cyclophosphamide-for-adult-t-cell-lymphoma-after-mogamulizumab-treatment
#5
Manabu Kusakabe, Naoki Kurita, Hidekazu Nishikii, Rie Sato, Chikashi Yoshida, Yasuhisa Yokoyama, Mamiko Sakata-Yanagimoto, Naoshi Obara, Yuichi Hasegawa, Shigeru Chiba
A 53-year-old man diagnosed with adult T-cell lymphoma (ATL) was treated with mLSG15 chemotherapy and achieved a first complete remission. Subsequently, a liver tumor emerged that was pathologically diagnosed as ATL (first relapse). A second remission was achieved after local irradiation and four cycles of mogamulizumab treatment. The patient received peripheral blood stem cell transplantation (HSCT) from a one haplotype HLA-mismatched daughter after total body irradiation and the administration of fludarabine as a myeloablative conditioning regimen, followed by post-transplant cyclophosphamide...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28588018/outcome-of-children-with-acute-leukemia-given-hla-haploidentical-hsct-after-%C3%AE-%C3%AE-t-cell-and-b-cell-depletion
#6
Franco Locatelli, Pietro Merli, Daria Pagliara, Giuseppina Li Pira, Michela Falco, Daniela Pende, Roberto Rondelli, Barbarella Lucarelli, Letizia Pomponia Brescia, Riccardo Masetti, Giuseppe Maria Milano, Valentina Bertaina, Mattia Algeri, Rita Maria Pinto, Luisa Strocchio, Raffaella Meazza, Lavinia Grapulin, Rupert Handgretinger, Alessandro Moretta, Alice Bertaina, Lorenzo Moretta
Allogeneic hematopoietic stem cell transplantation (HSCT) from an HLA-haploidentical relative (haplo-HSCT) is a suitable option for children with acute leukemia (AL) either relapsed or at high-risk of treatment failure. We developed a novel method of graft manipulation based on negative depletion of αβ T and B cells and conducted a prospective trial evaluating the outcome of children with AL transplanted with this approach (ClinicalTrial.gov identifier: NCT01810120). Eighty AL children, transplanted between September 2011 and September 2014, were enrolled in the trial...
June 6, 2017: Blood
https://www.readbyqxmd.com/read/28586960/preliminary-results-of-a-phase-1-dose-escalation-trial-for-early-stage-breast-cancer-using-5-fraction-stereotactic-body-radiation-therapy-for-partial-breast-irradiation
#7
Asal Rahimi, Kimberly Thomas, Ann Spangler, Roshni Rao, Marilyn Leitch, Rachel Wooldridge, Aeisha Rivers, Stephen Seiler, Kevin Albuquerque, Stella Stevenson, Sally Goudreau, Dan Garwood, Barbara Haley, David Euhus, John Heinzerling, Chuxiong Ding, Ang Gao, Chul Ahn, Robert Timmerman
PURPOSE: To evaluate the tolerability of a dose-escalated 5-fraction stereotactic body radiation therapy for partial-breast irradiation (S-PBI) in treating early-stage breast cancer after partial mastectomy; the primary objective was to escalate dose utilizing a robotic stereotactic radiation system treating the lumpectomy cavity without exceeding the maximum tolerated dose. METHODS AND MATERIALS: Eligible patients included those with ductal carcinoma in situ or invasive nonlobular epithelial histologies and stage 0, I, or II, with tumor size <3 cm...
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28567504/a%C3%A2-clinical-example-of-extreme-dose-exposure-for-an-implanted-cardioverter-defibrillator-beyond-the-degro-guidelines
#8
Yoana Hristova, Janett Köhn, Stefanie Preuß, Claus Rödel, Panagiotis Balermpas
INTRODUCTION: Considering that the number of malignant diseases in patients over 65 years of age is increasing, it often occurs that patients who carry a cardiac implanted electronic device must undergo radiotherapy. Ionizing radiation can disturb the function of the implantable cardioverter-defibrillator (ICD). As a result of this, an update of the DEGRO/DKG guidelines for radiotherapy of this patient group has been published. METHODS: We report the case of a patient with an ICD and T‑lymphoblastic lymphoma with cardiac involvement, who received i...
May 31, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28566983/the-radioprotective-effect-of-resveratrol-against-genotoxicity-induced-by-%C3%AE-irradiation-in-mice-blood-lymphocytes
#9
Farideh Koohian, Ahmad Shanei, Daryoush Shahbazi-Gahrouei, Seyed Hossein Hejazi, Mohammad-Taghi Moradi
In this study, we evaluated whether the protective potential of resveratrol (RSV; 3,5,4'-trihydroxy-trans-stilbene) against γ-radiation caused damages in peripheral blood lymphocyte of mice. Resveratrol as a polyphenolic compound scavenges free radicals. Various doses of RSV were administered intraperitoneally 2 hours to adult male mice before a single dose of whole-body γ-irradiation (2 Gy). To assess the protective ability of RSV, the alkaline comet assay in blood lymphocyte of mice was performed and the total comet score was evaluated...
April 2017: Dose-response: a Publication of International Hormesis Society
https://www.readbyqxmd.com/read/28565915/in-vitro-mineralization-of-dual-grafted-polytetrafluoroethylene-membranes
#10
Katarzyna Kępa, David J T Hill, Lisbeth Grøndahl
The modification of biomaterials by radiation induced grafting is a promising method to improve their bioactivity. Successful introduction of carboxyl and amine functional groups on the surface of a polytetrafluoroethylene membrane was achieved by grafting of acrylic acid (AA) and 2-aminoethyl methacrylate hydrochloride (AEMA) using simultaneous gamma irradiation grafting. Chemical characterization by attenuated total reflectance Fourier transform infrared spectroscopy and x-ray photoelectron spectroscopy confirmed the presence of amine and carboxylate functionalities and indicated that all protonated amines formed ion pairs with carboxyl groups, but not all carboxyl are involved in ion pairing...
May 30, 2017: Biointerphases
https://www.readbyqxmd.com/read/28558959/the-transcriptional-landscape-of-p53-signalling-pathway
#11
Chizu Tanikawa, Yao-Zhong Zhang, Ryuta Yamamoto, Yusuke Tsuda, Masami Tanaka, Yuki Funauchi, Jinichi Mori, Seiya Imoto, Rui Yamaguchi, Yusuke Nakamura, Satoru Miyano, Hidewaki Nakagawa, Koichi Matsuda
Although recent cancer genomics studies have identified a large number of genes that were mutated in human cancers, p53 remains as the most frequently mutated gene. To further elucidate the p53-signalling network, we performed transcriptome analysis on 24 tissues in p53(+/+) or p53(-/-) mice after whole-body X-ray irradiation. Here we found transactivation of a total of 3551 genes in one or more of the 24 tissues only in p53(+/+) mice, while 2576 genes were downregulated. p53 mRNA expression level in each tissue was significantly associated with the number of genes upregulated by irradiation...
May 18, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28554856/beneficial-role-of-low-dose-atg-in-unrelated-stem-cell-transplantation-for-adult-patients-with-acquired-severe-aplastic-anemia-reduction-of-graft-versus-host-disease-gvhd-and-improvement-of-gvhd-free-failure-free-survival-rate
#12
Sung-Soo Park, Dae Hun Kwak, Young-Woo Jeon, Jae-Ho Yoon, Sung-Eun Lee, Byung-Sik Cho, Ki-Seong Eom, Yoo-Jin Kim, Hee-Je Kim, Seok Lee, Chang-Ki Min, Seok-Goo Cho, Dong-Wook Kim, Woo-Sung Min, Jong Wook Lee
Stem cell transplantation from an unrelated donor (URD SCT) is often considered in patients with severe aplastic anemia (SAA) whom immunosuppressive therapy failed and matched sibling donor is not available. To reduce the incidence of graft-versus-host disease (GVHD) in URD SCT, introduction of antithymocyte globulin (ATG) to the conditioning regimen has been proposed. Although ATG was shown to play a role in reducing GVHD in a cohort with diverse hematologic diseases, its role in SAA remains uncertain. The aim of this study was to determine the efficacy and toxicity of ATG in URD SCT for adult patients with SAA...
May 26, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28554508/-28-si-total-body-irradiation-injures-bone-marrow-hematopoietic-stem-cells-via-induction-of-cellular-apoptosis
#13
Jianhui Chang, Wei Feng, Yingying Wang, Antiño R Allen, Jennifer Turner, Blair Stewart, Jacob Raber, Martin Hauer-Jensen, Daohong Zhou, Lijian Shao
Long-term space mission exposes astronauts to a radiation environment with potential health hazards. High-energy charged particles (HZE), including (28)Si nuclei in space, have deleterious effects on cells due to their characteristics with high linear energy transfer and dense ionization. The influence of (28)Si ions contributes more than 10% to the radiation dose equivalent in the space environment. Understanding the biological effects of (28)Si irradiation is important to assess the potential health hazards of long-term space missions...
May 2017: Life Sciences in Space Research
https://www.readbyqxmd.com/read/28552674/enrichment-increases-hippocampal-neurogenesis-independent-of-blood-monocyte-derived-microglia-presence-following-high-dose-total-body-irradiation
#14
Marc J Ruitenberg, Julia Wells, Perry F Bartlett, Alan R Harvey, Jana Vukovic
Birth of new neurons in the hippocampus persists in the brain of adult mammals and critically underpins optimal learning and memory. The process of adult neurogenesis is significantly reduced following brain irradiation and this correlates with impaired cognitive function. In this study, we aimed to compare the long-term effects of two environmental paradigms (i.e. enriched environment and exercise) on adult neurogenesis following high-dose (10Gy) total body irradiation. When housed in standard (sedentary) conditions, irradiated mice revealed a long-lasting (up to at least 4 months) deficit in neurogenesis in the granule cell layer of the dentate gyrus, the region that harbors the neurogenic niche...
May 24, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28545017/12-o-tetradecanoylphorbol-13-acetate-tpa-increases-murine-intestinal-crypt-stem-cell-survival-following-radiation-injury
#15
Yaojie Liang, Hongwei Zhou, Yibing Yao, Ailing Deng, Zhihong Wang, Boning Gao, Minhang Zhou, Yu Cui, Lili Wang, Lei Zhou, Bianhong Wang, Li Wang, Anqi Liu, Lanlan Qiu, Kun Qian, Yejian Lu, Wanping Deng, Xi Zheng, Zhengtao Han, Yonghui Li, Junzhong Sun
Radiation enteropathy is a common complication in cancer patients following radiation therapy. Thus, there is a need for agents that can protect the intestinal epithelium against radiation. 12-O-Tetradecanoylphorbol-13-acetate (TPA) has been shown to induce differentiation and/or apoptosis in multiple cell lines and primary cells. In the current report, we studied the function of TPA in radiation induced enteropathy in cultured rat intestinal epithelial cell line IEC-6 after ionizing radiation (IR) and in mice after high dose total-body gamma-IR (TBI)...
April 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28538090/late-effects-in-pediatric-high-risk-neuroblastoma-survivors-after-intensive-induction-chemotherapy-followed-by-myeloablative-consolidation-chemotherapy-and-triple-autologous-stem-cell-transplants
#16
Amy E Armstrong, Karina Danner-Koptik, Shannon Golden, Jennifer Schneiderman, Morris Kletzel, Jennifer Reichek, Yasmin Gosiengfiao
Multimodal treatment in high-risk neuroblastoma has modestly improved survival; limited data exist on the late effects from these regimens. We report the sequelae of treatment incorporating 3 consecutive cycles of high-dose therapy and autologous stem cell transplants (ASCTs) without the use of total body irradiation (TBI). We reviewed the medical records of 61 patients treated on or following the Chicago Pilot 2 protocol between 1991 and 2008. Of the 25 patients who are alive (41%), 19 had near complete data to report...
May 23, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28532617/first-french-experiences-of-total-body-irradiations-using-helical-tomotherapy-%C3%A2
#17
R Sun, X Cuenca, R Itti, S Nguyen Quoc, J-P Vernant, J-J Mazeron, C Jenny, M Chea
PURPOSE: Dynamic conformal radiotherapy with helical TomoTherapy(®) (HT) offers a more quantitative paradigm for total body irradiation. Treatment planning, delivery, dose verification of the first French experiences of total body irradiation using helical TomoTherapy(®) are presented. MATERIALS AND METHODS: Patients planned for total body irradiation at our institution from February 2012 to May 2013 were reported. Total body irradiation consisted in a single fraction of 2Gy...
May 19, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28520453/-indeterminate-cell-histiocytosis-disappearance-of-skin-infiltration-following-electron-beam-therapy-and-an-application-of-2-chlorodeoxyadenosine-case-report
#18
Zdeněk Adam, Marta Ježová, Pavel Šlampa, Leoš Křen, Vladimír Vašků, Renata Koukalová, Zdeněk Řehák, Luděk Pour, Marta Krejčí, Zdeněk Král, Jiří Mayer
Indeterminate cell histiocytosis is a rare disease belonging to the group of malignant histiocytic diseases. The disease predominantly affects the skin. The disease appeared in the described patient at the age of 80 years. Morphs began to develop on the skin and rapidly spread over the whole body including the face. Only the hands and feet were left uncovered. The patients skin samples were taken from 2 sites for histological examination. The resulting conclusion was indeterminate cell histiocytosis. The treatment we chose was analogous to the procedures for Langerhans cell histiocytosis...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28515359/t-cell-progenitor-therapy-facilitated-thymopoiesis-depends-upon-thymic-input-and-continued-thymic-microenvironment-interaction
#19
Michelle J Smith, Dawn K Reichenbach, Sarah L Parker, Megan J Riddle, Jason Mitchell, Kevin C Osum, Mahmood Mohtashami, Heather E Stefanski, Brian T Fife, Avinash Bhandoola, Kristin A Hogquist, Georg A Holländer, Juan Carlos Zúñiga-Pflücker, Jakub Tolar, Bruce R Blazar
Infusion of in vitro-derived T cell progenitor (proT) therapy with hematopoietic stem cell transplant aids the recovery of the thymus damaged by total body irradiation. To understand the interaction between proTs and the thymic microenvironment, WT mice were lethally irradiated and given T cell-deficient (Rag1-/-) marrow with WT in vitro-generated proTs, limiting mature T cell development to infused proTs. ProTs within the host thymus led to a significant increase in thymic epithelial cells (TECs) by day 21 after transplant, increasing actively cycling TECs...
May 18, 2017: JCI Insight
https://www.readbyqxmd.com/read/28511709/incorporation-of-high-dose-131-i-metaiodobenzylguanidine-treatment-into-tandem-high-dose-chemotherapy-and-autologous-stem-cell-transplantation-for-high-risk-neuroblastoma-results-of-the-smc-nb-2009-study
#20
Ji Won Lee, Sanghoon Lee, Hee Won Cho, Youngeun Ma, Keon Hee Yoo, Ki Woong Sung, Hong Hoe Koo, Eun Joo Cho, Suk-Koo Lee, Do Hoon Lim
BACKGROUND: In our previous SMC NB-2004 study of patients with high-risk neuroblastomas, which incorporated total-body irradiation (TBI) with second high-dose chemotherapy and autologous stem cell transplantation (HDCT/auto-SCT), the survival rate was encouraging; however, short- and long-term toxicities were significant. In the present SMC NB-2009 study, only TBI was replaced with (131)I-meta-iodobenzylguanidine (MIBG) treatment in order to reduce toxicities. METHODS: From January 2009 to December 2013, 54 consecutive patients were assigned to receive tandem HDCT/auto-SCT after nine cycles of induction chemotherapy...
May 16, 2017: Journal of Hematology & Oncology
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