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https://www.readbyqxmd.com/read/29786869/rare-labial-ulcer-related-to-the-use-of-all-trans-retinoic-acid-in-a-patient-with-acute-promyelocytic-leukemia
#1
M P Buligon, J C Mielke, K L Ferrazzo, J Chiesa
Acute promyelocytic leukemia (APL) is a subtype of acute myeloid leukemia (AML). All-trans retinoic acid (ATRA) is the first-choice therapy for the treatment of this disease, but has been associated with side effects, the most serious of which is retinoic acid syndrome (RAS). RAS is characterized by unexplained fever, dyspnea, pulmonary infiltrate, leukocytosis and nephropathy. Genital ulcers have been described in some cases, but only two cases of oral ulcers related to this syndrome have been described in the literature...
May 22, 2018: Special Care in Dentistry
https://www.readbyqxmd.com/read/29775898/particle-induced-sirt1-downregulation-promotes-osteoclastogenesis-and-osteolysis-through-er-stress-regulation
#2
Liang Zhang, Dongmei Bao, Peng Li, Zhidong Lu, Long Pang, Zhirong Chen, Haohui Guo, Zhihui Gao, Qunhua Jin
BACKGROUND: Sirtuin 1 (SIRT1) downregulation has been found to be induced by wear particles in aseptic prosthesis loosening (APL). Osteoclastogenesis and osteoclast activation are the main pathological factors associated with APL. However, whether SIRT1 downregulation contributes to the formation and activation of osteoclasts through the induction of endoplasmic reticulum (ER) stress is unclear. METHODS: To address this, an osteolysis mouse model was used in which animals were treated with the SIRT1 activator, resveratrol (RES), or an ER stress inhibitor, 4-PBA, for two weeks...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29774349/role-of-arsenic-3-oxidation-state-methyltransferase-in-arsenic-mediated-apl-treatment-an-in-vitro-investigation
#3
Yasen Maimaitiyiming, Chao Wang, Shi Xu, Khairul Islam, Ye Jia Chen, Chang Yang, Qian Qian Wang, Hua Naranmandura
Arsenic (+3 oxidation state) methyltransferase (AS3MT) is a key enzyme responsible for arsenic metabolism in humans, which facilitates conversion of arsenic trioxide (As2O3) to more reactive metabolites such as monomethylarsonous acid (MMAIII) and dimethylarsinous acid (DMAIII). However, it is unclear whether the biotransformation of arsenic by AS3MT contributes to the promotion of acute promyelocytic leukemia (APL) therapy. In order to understand the probable role of AS3MT in APL patients, we evaluated the effects of arsenite (iAsIII) and three mixed arsenicals (i...
May 18, 2018: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/29771870/hyperfibrinolysis-is-an-important-cause-of-early-hemorrhage-in-patients-with-acute-promyelocytic-leukemia
#4
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/29771194/preconception-antiphospholipid-antibodies-and-risk-of-subsequent-early-pregnancy-loss
#5
K J Gibbins, S L Mumford, L A Sjaarda, D W Branch, N J Perkins, A Ye, E F Schisterman, R M Silver
Objectives To prospectively estimate the association of preconception antiphospholipid antibodies (aPL) with subsequent pregnancy loss using a cohort design. aPL have been associated with recurrent early pregnancy loss (EPL) prior to 10 weeks in previous case-control studies. Prospective ascertainment of pregnancy loss is challenging, as most women do not seek care prior to EPL. Methods Secondary analysis of the Effects of Aspirin in Gestation and Reproduction trial of preconception low-dose aspirin. Preconception anticardiolipin (aCL) and anti-β2-glycoprotein-I (a-β2-I) were assessed in 1208 women with one or two prior pregnancy losses and no more than two prior live births...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29768970/neurologic-manifestations-of-antiphospholipid-syndrome
#6
I F Ricarte, L A Dutra, F F Abrantes, F F Toso, O G P Barsottini, G S Silva, A W S de Souza, D Andrade
Neurological involvement in antiphospholipid antibody syndrome (APS) is common, and its occurrence increases morbidity and mortality. Patients may present variable neurological involvement, such as cerebrovascular disease, cognitive dysfunction, headache, seizures, movement disorders, multiple sclerosis-like syndrome, transverse myelitis and ocular symptoms. Most neurological manifestations are associated with thrombosis of the microcirculation or of large vessels; nonetheless, there is compelling evidence suggesting that, in some cases, symptoms are secondary to an immune-mediated pathogenesis, with direct binding of aPL on neurons and glia...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29757439/risk-of-thrombosis-with-anti-phospholipid-syndrome-in-systemic-lupus-erythematosus-treated-with-thrombopoietin-receptor-agonists
#7
Zelie Guitton, Louis Terriou, Jean-Christophe Lega, Raphaele Nove-Josserand, Miguel Hie, Zahir Amoura, James B Bussel, Mohamed Hamidou, Eric Rosenthal, Bertrand Lioger, Dominique Chauveau, Axel Chaminade, Nadine Magy-Bertrand, Marc Michel, Sylvain Audia, Bertrand Godeau, Matthieu Mahevas
Objectives: The use of thrombopoietin-receptor agonists (TPO-RAs) has increased as a second-line therapy in ITP, but the efficacy and safety of such drugs has not been evaluated in SLE-associated ITP. Methods: This was a multicentre retrospective cohort study from 2009 to 2016. Participating centres (n = 11) were secondary- or tertiary-care hospitals belonging to the French national network for adult ITP. Results: We included 18 patients with SLE-ITP treated with TPO-RAs; 10 (55%) had aPL, 5 (27%) showing definite APS...
May 10, 2018: Rheumatology
https://www.readbyqxmd.com/read/29751151/different-administration-patterns-of-docosahexaenoic-acid-in-combating-cytotoxic-manifestations-due-to-arsenic-trioxide-acute-promyelocytic-leukemia-drug-induced-redox-imbalance-in-hepatocytes
#8
S Abhilash, R Siviyasankar, P Binu, P Arathi, R Harikumaran Nair
Docosahexaenoic acid (DHA) obtained from fish and plant sources is an essential dietary fatty acid and an important cell membrane structural component. The acute promyelocytic leukemia (APL) drug arsenic trioxide (As2 O3 ), causes hepatotoxicity. We evaluated the protective potential of DHA as pre/ combination/ post-administration patterns against As2 O3 induced toxicity. The therapeutic concentration of As2 O3 (10 µM) resulted in cytotoxicity with a significant (p < 0.05) variation from the control group...
May 8, 2018: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/29747993/long-term-effect-of-b-cells-depletion-alone-as-rescue-therapy-for-severe-thrombocytopenia-in-primary-antiphospholipid-syndrome
#9
Savino Sciascia, Massimo Radin, Irene Cecchi, Elena Rubini, Mario Bazzan, Dario Roccatello
OBJECTIVES: To investigate the long-term effect of B-cell depletion therapy with Rituximab (RTX) alone as rescue therapy in primary antiphospholipid syndrome (PAPS) patients with severe thrombocytopenia. METHODS: We retrospectively retrieved data from patients who met the following inclusion criteria: (a) persistent antiphospholipid antibodies (aPL) positivity and fulfilled the Sydney criteria for PAPS (b) presented with severe thrombocytopenia (platelets <50,000/mm3 ) (c) were treated with RTX as a rescue therapy (d) had at least 1 year of follow-up after B-cells depletion therapy...
April 11, 2018: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29743722/management-of-patients-with-acute-promyelocytic-leukemia
#10
REVIEW
Sabine Kayser, Richard F Schlenk, Uwe Platzbecker
With the introduction of all-trans retinoic acid (ATRA) and arsenic trioxide (ATO) acute promyelocytic leukemia (APL) has become from a detrimental to one of the most curable malignant diseases in humans. In particular, the chemotherapy-free regimen with ATO/ATRA has been proven to be highly effective in de novo APL and has become standard first-line therapy in younger adult, non-high-risk patients. Nevertheless, early death is still a major issue in APL, particularly in older patients, emphasizing the need of rapid diagnostics and supportive care together with immediate access to ATRA-based therapy...
April 24, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29743401/-hypoplastic-acute-promyelocytic-leukemia-with-continuous-hypocellular-bone-marrow-after-remission
#11
Toshiki Nakamura, Junya Makiyama, Ayumi Matsuura, Hirokazu Kurohama, Hideaki Kitanosono, Masahiro Ito, Shinichiro Yoshida, Yasushi Miyazaki
An 87-year old female presented with unsteady gait and occasional subcutaneous hematomas. Blood examination findings revealed pancytopenia and mild coagulopathy. Both the histopathological evaluation of bone marrow smears and bone marrow biopsy revealed a hypocellular bone marrow. However, APL cells were observed and PML-RARA fusion gene was detected. On the basis of these findings, the patient was diagnosed with hypoplastic acute promyelocytic leukemia. She received ATRA treatment and achieved complete remission (CR) 29 days from the commencement of therapy...
2018: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/29735498/diffuse-alveolar-haemorrhage-and-libman-sacks-endocarditis-a-rare-presentation-of-antiphospholipid-syndrome
#12
Brianna Bielski, Nikhil H Shah, Donevan Westerveld, Carolyn Stalvey
A 26-year-old woman with a history of idiopathic thrombocytopaenic purpura and a 1-year history of blood-streaked sputum presented after a severe episode of haemoptysis with dyspnoea. Chest imaging revealed diffuse ground glass and bronchovascular nodules. Bronchoscopy revealed bilateral diffuse alveolar haemorrhage (DAH). Sputum and bronchoalveolar lavage studies were negative for infectious aetiologies. A transthoracic echocardiogram revealed Libman-Sacks endocarditis with severe mitral regurgitation and physical examination revealed retinal artery occlusion and Osler's nodes...
May 7, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29731081/prevalence-of-antiphospholipid-antibody-positivity-and-association-of-pretransplant-lupus-anticoagulant-positivity-with-early-allograft-dysfunction-in-liver-transplantation
#13
H-M Kwon, K-W Jung, Y-J Moon, H-W Jung, Y-S Park, I-G Jun, J-G Song, G-S Hwang
BACKGROUND: Antiphospholipid antibodies (aPL), including anticardiolipin (aCL), anti-β2 -glycoprotein I (anti-β2GPI), and lupus anticoagulant (LA) antibodies, are frequently found in liver cirrhosis and associated with splanchnic vein thrombosis. Although the risk factors of early allograft dysfunction (EAD) are known, the association between EAD and aPL has been poorly investigated. We hypothesized that LA, potent aPL with thrombotic potential, may be associated with EAD development after living donor liver transplantation (LDLT)...
May 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29730854/renal-involvement-in-antiphospholipid-syndrome
#14
REVIEW
Francisco Vileimar Andrade de Azevedo, Diego Germano Maia, Jozelio Freire de Carvalho, Carlos Ewerton Maia Rodrigues
This is a review of scientific publications on renal involvement in antiphospholipid syndrome (APS), with focus on clinical and histopathological findings and treatment. A search for English-language articles on renal involvement in APS covering the period 1980-2017 was conducted in Medline/PubMed and Scopus databases using the MeSH terms "antiphospholipid syndrome", "antiphospholipid antibodies", "glomerulonephritis" and "thrombotic microangiopathy" (TMA). APS nephropathy is primarily the result of thromboses in renal arteries or veins, intraparenchymatous arteries and glomerular capillaries...
May 5, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29724147/characteristics-of-fibrinolytic-disorders-in-acute-promyelocytic-leukemia
#15
Ping Wang, Yingmei Zhang, Huiyuan Yang, Wenyi Hou, Bo Jin, Jinxiao Hou, Haitao Li, Hongli Zhao, Jin Zhou
OBJECTIVES: Catastrophic hemorrhage remains the main cause of acute promyelocytic leukemia (APL) treatment failure. This study was aimed to study the pathogenesis of coagulopathy in patients with APL. METHODS: Multiple procoagulant and profibrinolytic parameters in plasma and peripheral leukocytes from 24 patients with newly diagnosed APL accompanied by coagulopathy before and after arsenic trioxide (ATO) treatment were evaluated. RESULTS: Prior to the treatment, the patients had elevated D-dimer and decreased fibrinogen levels...
May 4, 2018: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29723256/renal-protective-effect-of-antiplatelet-therapy-in-antiphospholipid-antibody-positive-lupus-nephritis-patients-without-antiphospholipid-syndrome
#16
Hironari Hanaoka, Harunobu Iida, Tomofumi Kiyokawa, Yukiko Takakuwa, Takahiro Okazaki, Hidehiro Yamada, Shoichi Ozaki, Kimito Kawahata
OBJECTIVE: We sought to evaluate the effect of antiplatelet therapy in addition to conventional immunosuppressive therapy for lupus nephritis (LN) patients positive for antiphospholipid antibodies (aPL) without definite antiphospholipid syndrome (APS). METHODS: Patients with biopsy-proven LN class III or IV were retrospectively evaluated. We selected patients positive for anticardiolipin antibody (aCL) or lupus anticoagulant (LA) who did not meet the criteria for a diagnosis of APS...
2018: PloS One
https://www.readbyqxmd.com/read/29723200/longitudinal-motor-performance-development-in-early-adolescence-and-its-relationship-to-adult-success-an-8-year-prospective-study-of-highly-talented-soccer-players
#17
Daniel Leyhr, Augustin Kelava, Johannes Raabe, Oliver Höner
Several talent identification and development (TID) programs in soccer have implemented diagnostics to measure players' motor performance. Yet, there is a lack of research investigating the relationship between motor development in adolescence and future, adult performance. This longitudinal study analyzed the three-year development of highly talented young soccer players' speed abilities and technical skills and examined the relevance of this development to their adult success. The current research sample consisted of N = 1,134 players born between 1993 and 1995 who were selected for the German Soccer Association's TID program and participated in nationwide motor diagnostics (sprinting, agility, dribbling, ball control, shooting) four times between the Under 12 (U12) and Under 15 (U15) age class...
2018: PloS One
https://www.readbyqxmd.com/read/29717964/an-introduction-to-nudge-science
#18
Ronald F White
Let's begin by addressing the most obvious question: given the vast number of books published on political science every year, why would the Association for Politics and the Life Sciences (APLS) and its journal Politics and the Life Sciences expend time, energy, and resources publishing a multiple-author analysis of a series of books that contain little (if anything) about the life sciences, Darwin, or evolution? The answer is that Cass R. Sunstein's recent research on "nudge science" provides an excellent opportunity for APLS to expand its commitment to interdisciplinarity, especially its long-standing interest in behavioral economics...
2018: Politics and the Life Sciences: the Journal of the Association for Politics and the Life Sciences
https://www.readbyqxmd.com/read/29717364/acute-promyelocytic-leukemia-cell-adhesion-to-vascular-endothelium-is-reduced-by-heparins
#19
Alfonso Vignoli, Marina Marchetti, Anna Falanga
Adhesion of acute promyelocytic leukemia (APL) cells to endothelial cells (EC) is among the mechanisms of the APL-associated coagulopathy, responsible for early hemorrhagic deaths in affected patients. We compared the effects of dalteparin and enoxaparin, two low-molecular-weight heparins (LMWH), and unfractionated heparin (UFH), on APL NB4 adhesion to micro- (HMEC-1) and macro-vascular EC (HUVEC), in resting and interleukin-1β (IL-1β)-stimulated conditions. The heparin effect on EC adhesion molecule (ICAM-1, VCAM-1, E-selectin) expression was also assessed...
May 1, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29716893/complement-c5-but-not-c3-is-expendable-for-tissue-factor-activation-by-cofactor-independent-antiphospholipid-antibodies
#20
Nadine Müller-Calleja, Svenja Ritter, Anne Hollerbach, Tanja Falter, Karl J Lackner, Wolfram Ruf
The complement and coagulation cascades interact at multiple levels in thrombosis and inflammatory diseases. In venous thrombosis, complement factor 3 (C3) is crucial for platelet and tissue factor (TF) procoagulant activation dependent on protein disulfide isomerase (PDI). Furthermore, C5 selectively contributes to the exposure of leukocyte procoagulant phosphatidylserine (PS), which is a prerequisite for rapid activation of monocyte TF and fibrin formation in thrombosis. Here, we show that monoclonal cofactor-independent antiphospholipid antibodies (aPLs) rapidly activate TF on myelomonocytic cells...
May 8, 2018: Blood Advances
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