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https://www.readbyqxmd.com/read/28539551/suppression-of-gpi-induced-arthritis-by-oral-administration-of-transgenic-rice-seeds-expressing-altered-peptide-ligands
#1
Tomoya Hirota, Hiroto Tsuboi, Hiroyuki Takahashi, Hiromitsu Asashima, Masaru Ohta, Yuhya Wakasa, Isao Matsumoto, Fumio Takaiwa, Takayuki Sumida
OBJECTIVE: To investigate the effects and mechanisms of transgenic rice seeds expressing the altered peptide ligand (APL) of human glucose-6-phosphate-isomerase (hGPI325-339) in mice model of GPI induced arthritis (GIA). METHODS: We generated transgenic rice expressing APL12 which was analog peptide of hGPI325-339. The transgenic rice seeds were orally administered prophylactically before the induction of GIA. The severity of arthritis and titers of serum anti-GPI antibodies were evaluated...
2017: Nihon Rinshō Men'eki Gakkai Kaishi, Japanese Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28536942/lrrc25-plays-a-key-role-in-all-trans-retinoic-acid-induced-granulocytic-differentiation-as-a-novel-potential-leukocyte-differentiation-antigen
#2
Weili Liu, Ting Li, Pingzhang Wang, Wanchang Liu, Fujun Liu, Xiaoning Mo, Zhengyang Liu, Quansheng Song, Ping Lv, Guorui Ruan, Wenling Han
Leukocyte differentiation antigens (LDAs) play important roles in the immune system, by serving as surface markers and participating in multiple biological activities, such as recognizing pathogens, mediating membrane signals, interacting with other cells or systems, and regulating cell differentiation and activation. Data mining is a powerful tool used to identify novel LDAs from whole genome. LRRC25 (leucine rich repeat-containing 25) was predicted to have a role in the function of myeloid cells by a large-scale "omics" data analysis...
May 23, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28533173/targeting-human-telomerase-rna-component-using-antisense-oligonucleotide-induces-rapid-cell-death-and-increases-ato-induced-apoptosis-in-apl-cells
#3
Leila Asghari-Kia, Davood Bashash, Ava Safaroghli-Azar, Majid Momeny, Mohsen Hamidpour, Seyed H Ghaffari
The impressive advances carried out in designing pharmacological strategies with the aim of telomerase inhibition in cancers emerged a consensus that telomerase-targeted therapies could be exciting prospect in repertoire of future cancer strategies. The results of the present study indicated that targeting telomerase using an oligonucleotide-based molecule against human telomerase RNA template (hTR ASODN) reduced the survival rate of NB4 cells and induced a caspase-3-dependent apoptosis. Our finding was even noticeable in the synergistic experiments, where we found an enhanced reduction in the viability of the cells after short-term treatment with ATO in combination with the inhibitor...
May 19, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28530465/antiphospholipid-antibodies-negativization-time-for-testing-for-non-criteria-apl
#4
M Radin, I Cecchi, C Pérez-Sánchez
No abstract text is available yet for this article.
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28529810/molecular-profiling-a-case-of-zbtb16-rara-acute-promyelocytic-leukemia
#5
Stephen E Langabeer, Lisa Preston, Johanna Kelly, Matt Goodyer, Ezzat Elhassadi, Amjad Hayat
Several variant RARA translocations have been reported in acute promyelocytic leukemia (APL) of which the t(11;17)(q23;q21), which results in a ZBTB16-RARA fusion, is the most widely identified and is largely resistant to therapy with all-trans retinoic acid (ATRA). The clinical course together with the cytogenetic and molecular characterization of a case of ATRA-unresponsive ZBTB16-RARA APL is described. Additional mutations potentially cooperating with the translocation fusion product in leukemogenesis have been hitherto unreported in ZBTB16-RARA APL and were sought by application of a next-generation sequencing approach to detect those recurrently found in myeloid malignancies...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28521962/the-functional-roles-of-pml-nuclear-bodies-in-genome-maintenance
#6
REVIEW
Hae Ryung Chang, Anudari Munkhjargal, Myung-Jin Kim, Seon Young Park, Eunyoung Jung, Jae-Ha Ryu, Young Yang, Jong-Seok Lim, Yonghwan Kim
In the nucleus, there are several membraneless structures called nuclear bodies. Among them, promyelocytic leukemia nuclear bodies (PML-NBs) are involved in multiple genome maintenance pathways including the DNA damage response, DNA repair, telomere homeostasis, and p53-associated apoptosis. In response to DNA damage, PML-NBs are coalesced and divided by a fission mechanism, thus increasing their number. PML-NBs also play a role in repairing DNA double-strand breaks (DSBs) by homologous recombination (HR). Clinically, the dominant negative PML-RARα fusion protein expressed in acute promyelocytic leukemia (APL) inhibits the transactivation of downstream factors and disrupts PML function, revealing the tumor suppressor role of PML-NBs...
May 5, 2017: Mutation Research
https://www.readbyqxmd.com/read/28516871/diagnosis-of-catastrophic-anti-phospholipid-syndrome-in-a-patient-tested-negative-for-conventional-tests
#7
Fabrizio Conti, Roberta Priori, Cristiano Alessandri, Roberta Misasi, Antonella Capozzi, Monica Pendolino, Simona Truglia, Silvia Frisenda, Maurizio Sorice, Guido Valesini
Catastrophic antiphospholipid syndrome (CAPS) is a severe variant of APS, characterised by clinical evidence of multiple organ involvement developing over a very short period of time, histopathological evidence of multiple small vessel occlusions and laboratory confirmation of the presence of aPL (lupus anticoagulant and/or anticardiolipin antibodies and/or anti-Beta2-glcyoprotein I antibodies). Here we report a case of a 39-year-old woman patient who developed a CAPS which was negative to the conventional aPL but positive for aPL in thin layer chromatography immunostaining and vimentin/cardiolipin antibodies by ELISA test...
May 8, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28502306/-detection-and-analysis-of-immune-molecules-in-leukemia-cell-surfaces-of-acute-promyelocytic-leukemia
#8
Ting Dong, Yaxian Jiang, Zhengfa Li, Hongmei Ouyang, Qin Zhang
Objective To investigate the immunophenotypic characteristics of acute promyelocytic leukemia (APL) and its clinical significance. Methods Immunophenotyping was performed by four-color flow cytometry with CD45/SSC-lin gating for neoplastic cells and was divided into five levels according to the intensity of antigen expression. Results The expression intensity and percentage of typical APL phenotypes were: myeloperoxidase (MPO) and CD33 were consistently expressed (100%); CD38 (82.35%), CD13 (64.71%), CD64 (50%), CD123 (47...
May 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28496950/development-of-flow-cytometry-fluorescent-in-situ-hybridization-flow-fish-method-for-detection-of-pml-rara-chromosomal-translocation-in-acute-promyelocytic-leukemia-cell-line
#9
Fatemeh Zahedipour, Reza Ranjbaran, Abbas Behzad Behbahani, Khalil Tavakol Afshari, Mohammad Ali Okhovat, Gholamhossein Tamadon, Sedigheh Sharifzadeh
BACKGROUND: Acute Promyelocytic Leukemia (APL) is a subclass of acute myeloid leukemia. The chromosomal aberration in 95% of APL cases is t(15; 17) (q22; q21), which prevents cell differentiation. Characterization of the underlying molecular lesion is valuable in determining optimal treatment strategy. The goal of this study was to develop a new and powerful Flow- FISH technique to detect the long isoform (L) of PML-RARa fusion transcript in NB4 cell line. METHODS: To achieve the best condition for fixation, two different fixatives including 2% paraformaldehyde and 75% ethanol were used...
April 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28495132/predicting-the-effects-of-potentially-therapeutic-modified-peptides-on-polyclonal-t-cell-populations-in-a-mouse-model-of-multiple-sclerosis
#10
Evan L Sauer, Elisabeth Trifilieff, Judith M Greer
Altered peptide ligands (APLs) have routinely been studied in clonal populations of Th cells that express a single T cell receptor (TCR), but results generated in this manner poorly predict the effects of APLs on polyclonal Th cells in vivo, contributing to the failure of phase II clinical trials of APLs in autoimmune diseases such as multiple sclerosis (MS). We have used a panel of APLs derived from an encephalitogenic epitope of myelin proteolipid protein to investigate the relationship between antigen cross-reactivity in a polyclonal environment, encephalitogenicity, and the capacity of an APL to provide protection against experimental autoimmune encephalomyelitis (EAE) in SJL mice...
June 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28494415/studies-on-curative-efficacy-of-monoterpene-eugenol-on-anti-leukemic-drug-arsenic-trioxide-induced-cardiotoxicity
#11
Prakash Binu, Nellikunnath Priya, Surendran Abhilash, Radhakrishnan Chandraprabha Vineetha, Raveendran Harikumaran Nair
BACKGROUND: Arsenic trioxide (As2O3) is emerging as a frontline agent for the treatment of acute promyelocytic leukemia (APL) but the therapeutic application is limited by its toxicity. QT prolongation, torsades de pointes and sudden cardiac death have been implicated in the As2O3 therapy. So eugenol is a monoterpene compound is well known for its antioxidant properties and protective effect on the cardiovascular system. OBJECTIVE: In this study, the cardioprotective effect of eugenol on cardiac electrical conductivity, tissue electrolytes, myocardial markers, antioxidant system, lipid peroxidation and nitric oxide production was investigated in male Wistar rats treated with arsenic trioxide...
May 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28492556/plscr1-ip3r1-ca-2-axis-contributes-to-differentiation-of-primary-aml-cells-induced-by-wogonoside
#12
Hui Li, Jingyan Xu, Yuxin Zhou, Xiao Liu, L E Shen, Y U Zhu, Zhiyu Li, Xiaotang Wang, Qinglong Guo, Hui Hui
Multiple lines of evidence have demonstrated that increased expression of phospholipid scramblase 1 (PLSCR1) is involved in the differentiation of acute myeloid leukemia (AML) cells by several differentiation-inducing agents including ATRA and phorbol 12-myristate 13-acetate. However, none of these agents can achieve nonhomogenous subcellular distribution of PLSCR1. We have demonstrated that wogonoside possesses differentiation and anti-leukemic effects in AML cell lines by promoting PLSCR1 trafficking into nucleus...
May 11, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28492552/all-trans-retinoic-acid-and-arsenic-trioxide-fail-to-derepress-the-monocytic-differentiation-driver-irf8-in-acute-promyelocytic-leukemia-cells
#13
XiangZhen Liu, Juan Chen, ShanHe Yu, Li Yan, HeZhou Guo, JianMin Dai, Wu Zhang, Jiang Zhu
All-trans retinoic acid (ATRA) and/or arsenic trioxide (ATO) administration leads to granulocytic maturation and/or apoptosis of acute promyelocytic leukemia (APL) cells mainly by targeting promyelocytic leukemia/retinoic acid receptor alpha (PML/RARα). Yet, ~10-15% of APL patients are not cured by ATRA- and ATO-based therapies, and a potential failure of ATRA and ATO in completely reversing PML/RARα-driven oncogenic alterations has not been comprehensively examined. Here we characterized the in vivo primary responses of dysregulated genes in APL cells treated with ATRA and ATO using a GFP-labeled APL model...
May 11, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28490888/maintenance-therapy-with-all-trans-retinoic-acid-and-arsenic-trioxide-improves-relapse-free-survival-in-adults-with-low-to-intermediate-risk-acute-promyelocytic-leukemia-who-have-achieved-complete-remission-after-consolidation-therapy
#14
Bin Liang, Zhouyi Zheng, Yifen Shi, Jingjing Chen, Xudong Hu, Honglan Qian, Zhijian Shen, Songfu Jiang, Kang Yu, Jianhua Feng
BACKGROUND: Currently, the optimal maintenance therapy for patients with acute promyelocytic leukemia (APL) who have achieved complete remission (CR) after completing consolidation chemotherapy remains controversial. The comparative effectiveness of the all-trans retinoic acid (ATRA) plus arsenic trioxide (As2O3) maintenance strategy with classic ATRA plus chemotherapy has not been evaluated. In this study, we compared the efficacy and toxicity of maintenance therapy with ATRA plus As2O3 and classic ATRA plus chemotherapy in low- to intermediate-risk APL patients reaching the first CR after induction and consolidation therapy...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28486108/trib3-promotes-apl-progression-through-stabilization-of-the-oncoprotein-pml-rar%C3%AE-and-inhibition-of-p53-mediated-senescence
#15
Ke Li, Feng Wang, Wen-Bin Cao, Xiao-Xi Lv, Fang Hua, Bing Cui, Jiao-Jiao Yu, Xiao-Wei Zhang, Shuang Shang, Shan-Shan Liu, Jin-Mei Yu, Ming-Zhe Han, Bo Huang, Ting-Ting Zhang, Xia Li, Jian-Dong Jiang, Zhuo-Wei Hu
Acute promyelocytic leukemia (APL) is driven by the oncoprotein PML-RARα, which antagonizes myeloid differentiation and promotes APL-initiating cell self-renewal. Combined all-trans retinoic acid (ATRA) with arsenic trioxide (As2O3) or chemotherapy dramatically improves the prognosis of APL patients. Here we report that expression of pseudokinase Tribble 3 (TRIB3) associates positively with APL progression and therapeutic resistance. The elevated TRIB3 expression promotes APL by interacting with PML-RARα and suppressing its sumoylation, ubiquitylation, and degradation...
May 8, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28486101/the-tribble-with-apl-a-new-road-to-therapy
#16
Ruaidhrí Carmody, Karen Keeshan
The t(15;17) translocation generates a PML-RARα fusion protein causative for acute promyelocytic leukemia (APL). Li et al. now identify the pseudokinase stress protein TRIB3 as an important factor in APL disease progression and therapy resistance. Targeting the interaction of TRIB3 and PML-RARα using peptide technology provides a novel therapeutic approach.
May 8, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28480800/combined-chemotherapy-for-acute-promyelocytic-leukemia-a-meta-analysis
#17
Xueliang Li, Chao Wang, Guanglong Chen, Buqiang Ji, Yongchang Xu
BACKGROUND: This study evaluates the efficacy of combined chemotherapy for the management of acute promyelocytic leukemia (APL). METHOD: Literature search was carried out in several electronic databases. Meta-analyses were performed to achieve weighted effect sizes of overall survival (OS), disease-free survival (DFS), complete remission (CR) rate, and relapse rate. Metaregression analyses were performed to evaluate the factors affecting CR and relapse rates. RESULTS: Data from 37 studies (7566 patients) were used for meta-analysis...
May 7, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28480528/socioeconomic-status-contributes-to-racial-ethnic-disparities-in-adverse-pregnancy-outcomes-among-women-with-systemic-lupus-erythematosus
#18
Elianna T Kaplowitz, Sancia Ferguson, Marta Guerra, Carl A Laskin, Jill P Buyon, Michelle Petri, Michael D Lockshin, Lisa R Sammaritano, D Ware Branch, Joan T Merrill, Patricia Katz, Jane E Salmon
OBJECTIVE: We examined rates of adverse pregnancy outcomes (APOs) by race/ethnicity among women with systemic lupus erythematosus (SLE), with and without anti-phospholipid antibodies (aPL), and whether socioeconomic status (SES) accounted for differences. METHODS: Data were from PROMISSE, a multi-center study that enrolled 346 patients with SLE and 62 patients with SLE and aPL (50% White, 20% Black, 17% Hispanic, 12% Asian/Pacific Islander). Measures of SES were educational attainment, median community income, and community education...
May 8, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28480193/opposite-effects-of-agrimonia-pilosa-ledeb-aqueous-extracts-on-blood-coagulation-function
#19
Xianming Fei, Wufeng Yuan, Lei Jiang, Huan Wang
BACKGROUND: Agrimonia pilosa Ledeb (APL) has showed anticoagulant and antithrombotic activities in some studies, whereas its actual effects on blood coagulation are still unclear. This study was designed to observe the in vitro effects of APL aqueous extracts on blood coagulation, as well as to investigate the underlying mechanisms. METHODS: Studies were divided into four groups: 0, 4, 20, and 80 g/L of APL aqueous extracts mixed with plasma or whole blood samples...
April 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28479750/serum-protein-profile-in-women-with-pregnancy-morbidity-associated-with-antiphospholipid-syndrome
#20
Angela M Alvarez, Stefan Neubeck, Sergio Parra, Udo R Markert, Angela P Cadavid
CONTEXT: Antiphospholipid antibodies (aPL) are related with a high risk of pregnancy morbidity (PM) and also of vascular thrombosis. On the basis of recent studies, we expect that in women with PM associated with antiphospholipid syndrome (APS), further factors may be deregulated and involved in pathophysiology of the disease. Such factors may have the potential to become novel biomarkers for APS and its stages. SETTINGS AND DESIGN: Descriptive study from a recurrent pregnancy loss program...
January 2017: Journal of Human Reproductive Sciences
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