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https://www.readbyqxmd.com/read/29346545/influence-of-nicotine-metabolism-ratio-on-11c-phno-pet-binding-in-tobacco-smokers
#1
Patricia Di Ciano, Rachel F Tyndale, Esmaeil Mansouri, Christian S Hendershot, Alan A Wilson, Dina Lagzdins, Sylvain Houle, Isabelle Boileau, Bernard Le Foll
Background: Identifying the biological basis of smoking cessation success is of growing interest. The rate of nicotine metabolism, measured by the nicotine metabolite ratio (NMR), affects multiple aspects of nicotine dependence. Fast nicotine metabolizers (FM) tend to smoke more, experience more withdrawal and craving and have lower cessation rates as compared to slow metabolizers (SM). The NMR predicts treatment response, and differences in brain activation between FM and SM have been reported in fMRI studies...
January 13, 2018: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29343975/spotlight-on-midostaurin-in-the-treatment-of-flt3-mutated-acute-myeloid-leukemia-and-systemic-mastocytosis-design-development-and-potential-place-in-therapy
#2
REVIEW
Ellen Weisberg, Martin Sattler, Paul W Manley, James D Griffin
The Fms-like tyrosine kinase-3 (FLT3; fetal liver kinase-2; human stem cell tyrosine kinase-1; CD135) is a class III receptor tyrosine kinase that is normally involved in regulating the proliferation, differentiation, and survival of both hematopoietic cells and dendritic cells. Mutations leading it to be constitutively activated make it an oncogenic driver in ~30% of acute myeloid leukemia (AML) patients where it is associated with poor prognosis. The prevalence of oncogenic FLT3 and the dependency on its constitutively activated kinase activity for leukemia growth make this protein an attractive target for therapeutic intervention...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29340774/-exercise-to-me-is-a-scary-word-perceptions-of-fatigue-sleep-dysfunction-and-exercise-in-people-with-fibromyalgia-syndrome-a-focus-group-study
#3
D Russell, I C Álvarez Gallardo, I Wilson, C M Hughes, G W Davison, B Sañudo, J G McVeigh
Fibromyalgia syndrome (FMS) is a common and complex chronic pain condition. Exercise is recommended in the management of the FMS; however, people with FMS often find exercise exacerbates their condition and causes overwhelming fatigue. The objective of this study was to explore the perceptions of fatigue and sleep dysfunction, and exercise in people with FMS. Three, 60-90 min focus groups were conducted with people with FMS (n = 14). Participants were recruited from patient support groups who had experienced therapeutic exercise in the management of their condition...
January 16, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29337707/induction-chemotherapy-in-acute-myeloid-leukaemia-origins-and-emerging-directions
#4
Vivek A Upadhyay, Amir T Fathi
PURPOSE OF REVIEW: This review summarizes the hallmark developments in induction chemotherapy for acute myeloid leukaemia and further describes future directions in its evolution. RECENT FINDINGS: We describe the origin of induction chemotherapy. We also describe notable modifications and adjustments to 7+3 induction chemotherapy since its development. Finally, we describe new efforts to modify and add new agents to induction therapy, including '7+3 Plus' combinations...
January 13, 2018: Current Opinion in Hematology
https://www.readbyqxmd.com/read/29336642/concurrent-validity-of-two-gait-performance-measures-in-children-with-neuromotor-disorders
#5
Corinne Ammann-Reiffer, Caroline H G Bastiaenen, Corina Klöti, Hubertus J A van Hedel
AIMS: To investigate the concurrent validity of two mobility performance measures, the Functional Mobility Scale (FMS) and the Gillette Functional Assessment Questionnaire - walking scale (FAQ) in an inpatient pediatric neurorehabilitation setting. METHODS: Cross-sectional data were collected on 71 children (mean age 12.7 years) with neuromotor gait impairments who participated in an inpatient rehabilitation program to evaluate aspects of concurrent validity of the FMS and FAQ...
January 16, 2018: Physical & Occupational Therapy in Pediatrics
https://www.readbyqxmd.com/read/29336115/insight-into-the-inhibitor-discrimination-by-flt3-f691l
#6
Sharad Verma, Aditi Singh, Anchala Kumari, Bharati Pandey, Salma Jamal, Sukriti Goyal, Siddharth Sinha, Abhinav Grover
Fms-like tyrosine kinase 3 (FLT3) belongs to the receptor tyrosine kinase family and expressed in hematopoietic progenitor cells. FLT3 gene mutations are reported in ~30% of acute myeloid leukemia (AML) cases. FLT3 kinase domain mutation F691L is one of the common cause of acquired resistance to the FLT3 inhibitors including quizartinib. MZH29 and crenolanib were previously reported to inhibit FLT3 F691L. However, crenolanib was reported for the moderate inhibition. We found that Glu661and Asp829 were the most significant residues to target the FLT3 F691L which contribute most significantly to the binding energy with MZH29 and crenolanib...
January 16, 2018: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/29334762/altered-redox-state-modulates-endothelial-kca2-3-and-kca3-1-levels-in-normal-pregnancy-and-preeclampsia
#7
Shinkyu Choi, Ji Aee Kim, Hai-Yan Li, Sae-Jin Lee, Ye Seon Seok, Tae Hun Kim, Ki-Hwan Han, Mi Hye Park, Geum Joon Cho, Suk Hyo Suh
AIMS: Altered redox state has been related to the development of normal pregnancy (NP) and preeclampsia (PE). Endothelial KCa2.3 and KCa3.1 (KCas) play an important role in vasodilation, and KCas levels are affected by oxidative stress. We investigated the mechanisms of oxidative stress-mediated KCas expression modulation during NP and PE. RESULTS: Human uterine microvascular endothelial cells were incubated in serum from normal non-pregnant women (n=13) and women with NP (n=24) or PE (n=15), or in VEGF, oxidized low-density lipoprotein (ox-LDL), progesterone, or estradiol-17-containing medium for 24 hours...
January 15, 2018: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/29330746/risk-stratified-therapy-for-children-with-flt3-itd-positive-acute-myeloid-leukemia-results-from-the-jplsg-aml-05-study
#8
Akira Shimada, Yuka Iijima-Yamashita, Akio Tawa, Daisuke Tomizawa, Miho Yamada, Shiba Norio, Tomoyuki Watanabe, Takashi Taga, Shotaro Iwamoto, Kiminori Terui, Hiroshi Moritake, Akitoshi Kinoshita, Hiroyuki Takahashi, Hideki Nakayama, Katsuyoshi Koh, Hiroaki Goto, Yoshiyuki Kosaka, Akiko Moriya Saito, Nobutaka Kiyokawa, Keizo Horibe, Yusuke Hara, Kentaro Oki, Yasuhide Hayashi, Shiro Tanaka, Souichi Adachi
Acute myeloid leukemia harboring internal tandem duplication of FMS-like tyrosine kinase 3 (AMLFLT3-ITD) is associated with poor prognosis. We evaluated the results of the AML-05 study, in which all AMLFLT3-ITD patients were assigned to receive hematopoietic stem cell transplantation (HSCT) in the first remission (1CR). We also investigated the effects of additional genetic alterations on FLT3-ITD. The 5-year overall survival (OS) and event-free survival (EFS) rates among the 47 AMLFLT3-ITD patients were 42...
January 12, 2018: International Journal of Hematology
https://www.readbyqxmd.com/read/29316714/targeting-flt3-mutations-in-acute-myeloid-leukemia
#9
REVIEW
Riad El Fakih, Walid Rasheed, Yousef Hawsawi, Maamoun Alsermani, Mona Hassanein
The FMS-like tyrosine kinase 3 (FLT3) pathway has an important role in cellular proliferation, survival, and differentiation. Acute myeloid leukemia (AML) patients with mutated FLT3 have a large disease burden at presentation and a dismal prognosis. A number of FLT3 inhibitors have been developed over the years. The first-generation inhibitors are largely non-specific, while the second-generation inhibitors are more specific and more potent. These inhibitors are used to treat patients with FLT3-mutated AML in virtually all disease settings including induction, consolidation, maintenance, relapse, and after hematopoietic cell transplantation (HCT)...
January 8, 2018: Cells
https://www.readbyqxmd.com/read/29311569/hepatic-dysfunction-and-thrombocytopenia-induced-by-excess-sflt1-in-mice-lacking-endothelial-nitric-oxide-synthase
#10
Yuji Oe, Mieko Ko, Tomofumi Fushima, Emiko Sato, S Ananth Karumanchi, Hiroshi Sato, Junichi Sugawara, Sadayoshi Ito, Nobuyuki Takahashi
Liver dysfunction is a major problem in patients with severe preeclampsia (PE), hemolysis, elevated liver enzymes, and low platelet count (HELLP) syndrome, or in patients receiving anti-vascular endothelial growth factor (VEGF) therapy. Excessive soluble fms-like tyrosine kinase 1 (sFlt1) that antagonizes VEGF has been implicated in the pathogenesis of PE. VEGF increases the expression of endothelial nitric oxide synthase (eNOS) and activates it. eNOS polymorphisms that cause reduced NO production are associated with PE...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29308867/water-resistant-efficient-stretchable-perovskite-embedded-fiber-membranes-for-light-emitting-diodes
#11
Chun Che Lin, Dai-Hua Jiang, Chi Ching Kuo, Chia-Jung Cho, Yi-Hsuan Tsai, Toshifumi Satoh, Chaochin Su
Cesium lead halide perovskite nanocrystals (NCs) with excellent intrinsic properties have been employed universally in op-toelectronic applications but undergo hydrolysis even when exposed to atmospheric moisture. In the present study, compo-site CsPbX3 (X = Cl, Br, and I) perovskite NCs were encapsulated with stretchable [poly(styrene-butadiene-styrene); SBS] fibers by electrospinning to prepare water-resistant hybrid membranes as multicolor optical active layers. Brightly lumines-cent and color-tunable hydrophobic fiber membranes (FMs) with perovskite NCs were maintained for longer than 1 h in water...
January 8, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29301555/improving-partnerships-with-family-members-of-icu-patients-study-protocol-for-a-randomized-controlled-trial
#12
Daren K Heyland, Judy Davidson, Yoanna Skrobik, Amanda Roze des Ordons, Lauren J Van Scoy, Andrew G Day, Virginia Vandall-Walker, Andrea P Marshall
BACKGROUND: Over the last decade, health care delivery has shifted to partnering with patients and their families to improve health and quality of care, and to lower costs. Partnering with family members (FMs) of critically ill patients who lack capacity is particularly important for improving experiences and outcomes for both patients and FMs. How best to apply such partnering strategies, however, is yet unknown. The IMPACT trial will evaluate two interventions that enable partnerships with families of critically ill patients, each in a distinct content area, but similar in that they empower and support FMs...
January 4, 2018: Trials
https://www.readbyqxmd.com/read/29296846/macrophages-and-osteoclasts-stem-from-a-bipotent-progenitor-downstream-of-a-macrophage-osteoclast-dendritic-cell-progenitor
#13
Yanling Xiao, Jara Palomero, Joanna Grabowska, Liqin Wang, Iris de Rink, Luuk van Helvert, Jannie Borst
Monocytes/macrophages (MΦs), osteoclasts (OCs), and dendritic cells (DCs) are closely related cell types of high clinical significance, but the exact steps in their lineage commitment are unclear. In studies on MΦ and DC development, OC development is generally not addressed. Furthermore, findings on DC development are confusing, because monocytes can also differentiate into DC-like cells. To resolve these issues, we have examined the development of monocytes/MΦs, OCs, and DCs from common progenitors, using the homeostatic driver cytokines macrophage colony-stimulating factor, RANK ligand (L), and Flt3L...
October 24, 2017: Blood Advances
https://www.readbyqxmd.com/read/29291483/worldwide-prevalence-of-familial-multiple-sclerosis-a-systematic-review-and-meta-analysis
#14
REVIEW
Mohammad Hossein Harirchian, Farzad Fatehi, Payam Sarraf, Niyaz Mohammadzadeh Honarvar, Sama Bitarafan
BACKGROUND: Several studies have suggested that the existence of a history of multiple sclerosis (MS) in family, is one of the predisposing factors for MS. Based on our knowledge, the review and estimation of the prevalence of familial multiple sclerosis (FMS) in the world has not been reported up to now. This study is a systematic review and a meta-analysis of FMS prevalence in the world. METHODS: Two researchers searched "epidemiology" or "prevalence" or "incidence" and "familial multiple sclerosis" as relevant keywords in international databases such as PubMed, web of science and Scopus up to 2016...
December 24, 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29288571/early-second-trimester-maternal-serum-markers-in-prediction-of-gestational-diabetes-mellitus
#15
Baihui Zhao, Xiujun Han, Qing Meng, Qiong Luo
AIMS: To determine whether maternal serum markers in the early-second trimester are useful for prediction of gestational diabetes mellitus (GDM). MATERIALS AND METHODS: A total of 876 singleton pregnancies were recruited in the present study. Blood samples were collected during 16-20 gestational weeks. GDM women were diagnosed by OGTT during 24-28 gestational weeks. Fifty-six cases of GDM and 73 healthy cases were selected. Maternal serum concentrations of placental protein 13 (PP13), pentraxin 3 (PTX3), soluble fms-like tyrosine kinase-1 (sFlt-1), myostatin and follistatin (FST) were detected at 16-20 weeks' gestation...
December 29, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/29288062/the-degree-of-leukoaraiosis-predicts-clinical-outcomes-and-prognosis-in-patients-with-middle-cerebral-artery-occlusion-after-intravenous-thrombolysis
#16
Yanyan Liu, Min Zhang, Yuan Chen, Ping Gao, Wenwei Yun, Xianju Zhou
Leukoaraiosis (LA) is common in elderly patients with ischemic stroke on magnetic resonance imaging. In this study, we investigate whether the degree of LA is associated with clinical outcomes and prognosis of patients with middle cerebral artery occlusion following intravenous thrombolytic. Ninety-seven patients were recruited and divided into three groups based on the degree of LA (no, mild and moderate to severe LA) by the Fazekas scale. Clinical outcomes, recurrent stroke, Fugl-Meyer rating scale (FMS) and complications of intravenous thrombolysis were assessed...
December 26, 2017: Brain Research
https://www.readbyqxmd.com/read/29286055/midostaurin-for-the-treatment-of-adult-patients-with-newly-diagnosed-acute-myeloid-leukemia-that-is-flt3-mutation-positive
#17
J S Garcia, M E Percival
Midostaurin is a multitargeted tyrosine kinase inhibitor (TKI) that potently inhibits activated fms-related tyrosine kinase 3 (FLT3) in the nanomolar range and other kinases including platelet-derived growth factor receptors α (PDGFR- α) and β (PDGFR- β), cyclin-dependent kinase, proto-oncogene tyrosine-protein kinase Src, tyrosine-protein kinase Fgr, spleen tyrosine kinase (Syk), KIT proto-oncogene receptor tyrosine kinase and the major vascular endothelial growth factor receptor (VEGFR). Activating mutations in FLT3, which is one of the more common acute myeloid leukemia (AML) mutations, particularly those that result in an FLT3-ITD (internal tandem duplication) mutation, confer poor prognosis and represent a therapeutic target...
October 2017: Drugs of Today
https://www.readbyqxmd.com/read/29285262/nuclear-membrane-localised-nox4d-generates-pro-survival-ros-in-flt3-itd-expressing-aml
#18
Jennifer N Moloney, Ashok Kumar Jayavelu, Joanna Stanicka, Sarah L Roche, Rebecca L O'Brien, Sebastian Scholl, Frank-D Böhmer, Thomas G Cotter
Internal tandem duplication of the juxtamembrane domain of FMS-like tyrosine kinase 3 (FLT3-ITD) is the most prevalent genetic aberration present in 20-30% of acute myeloid leukaemia (AML) cases and is associated with a poor prognosis. FLT3-ITD expressing cells express elevated levels of NADPH oxidase 4 (NOX4)-generated pro-survival hydrogen peroxide (H2O2) contributing to increased levels of DNA oxidation and double strand breaks. NOX4 is constitutively active and has been found to have various isoforms expressed at multiple locations within a cell...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29283906/new-therapeutic-strategies-for-high-risk-acute-myeloid-leukemia
#19
Kamal Menghrajani, Martin S Tallman
PURPOSE OF REVIEW: Treatments for acute myeloid leukemia (AML) had remained essentially unchanged for several years; however, the advent of molecular testing has generated insight into the biology of this disease which is now being translated into clinical practice. New treatment strategies which improve drug delivery and exploit cellular targets are changing the landscape of how we treat this disease. RECENT FINDINGS: Induction therapy is in the process of changing for several patient populations...
December 27, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/29278731/a-test-of-the-adaptive-network-explanation-of-functional-disorders-using-a-machine-learning-analysis-of-symptoms
#20
Christos Melidis, Susan L Denham, Michael E Hyland
The classification and etiology of functional disorders is controversial. Evidence supports both psychological and biological (disease) models that show, respectively, that functional disorders should be classified as one (bodily distress syndrome) and many (e.g., irritable bowel syndrome (IBS), fibromyalgia syndrome (FMS), and chronic fatigue syndrome (CFS)). Two network models (symptom network and adaptive network) can explain the specificity and covariation of symptomatology, but only the adaptive network model can explain the covariation of the somatic symptoms of functional disorders...
December 23, 2017: Bio Systems
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