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https://www.readbyqxmd.com/read/28431449/peripheral-and-central-glucocorticoid-signaling-contributes-to-positive-energy-balance-in-rats
#1
Tássia Karin Borba, Lígia Cristina Monteiro Galindo, Kelli Nogueira Ferraz-Pereira, Raquel da Silva Aragão, Ana Elisa Toscano, Omar Guzmán-Quevedo, Raul Manhães-de-Castro
The obesity epidemic has been the target of several studies to understand its etiology. The pathophysiological processes that take to obesity generally relate to the rupture of energy balance. This imbalance can result from environmental and/or endogenous events. Among the endogenous events, the hypothalamic-pituitary-adrenal axis, which promotes stress response via glucocorticoid activity, is considered a modulator of energy balance. However, it remains controversial whether the increase in plasma levels of glucocorticoids results in a positive or negative energy balance...
April 21, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28430773/is-dexamethasone-as-effective-as-other-corticosteroids-for-acute-asthma-exacerbation-in-children
#2
Gonzalo A Bravo-Soto, Constanza Harismendy, Pamela Rojas, Rodrigo Silva, Pamela von Borries
Dexamethasone has been proposed as an alternative in the treatment of acute asthma exacerbation in children. It allows shortening the duration of treatment, reducing costs and adverse effects. However, it is not clear whether its efficacy is similar to the traditional steroid regimen. To answer this question, we searched in Epistemonikos database, which is maintained by screening multiple information sources. We identified six systematic reviews including 10 randomized trials. We extracted data, conducted a meta-analysis and generated a summary of findings table using the GRADE approach...
April 18, 2017: Medwave
https://www.readbyqxmd.com/read/28430745/bortezomib-pharmacokinetics-in-tumor-response-and-peripheral-neuropathy-in-multiple-myeloma-patients-receiving-bortezomib-containing-therapy
#3
Sung-Eun Lee, Kyungmee Choi, Seunghoon Han, Jongtae Lee, Taegon Hong, Gab-Jin Park, Dong-Seok Yim, Chang-Ki Min
The usefulness of pharmacokinetics of bortezomib for multiple myeloma (MM) with respect to the maximum response to bortezomib and bortezomib-induced peripheral neuropathy (BIPN) development was studied. Maximum response to subcutaneous bortezomib therapy and BIPN occurrence for the first 12 weeks of treatment in 35 MM patients treated by bortezomib-dexamethasone (VD) and bortezomib-melphalan-prednisone (VMP) were evaluated. On day 1 of cycle 1, seven whole-blood samples were collected for 3 h after dosing completion to obtain the maximum plasma concentration and area under the time-concentration curve during 3 h postdose (AUC0-3) in each patient...
April 20, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28430175/carfilzomib-lenalidomide-dexamethasone-vs-lenalidomide-dexamethasone-in-relapsed-multiple-myeloma-by-previous-treatment
#4
M A Dimopoulos, A K Stewart, T Masszi, I Špička, A Oriol, R Hájek, L Rosiñol, D Siegel, G G Mihaylov, V Goranova-Marinova, P Rajnics, A Suvorov, R Niesvizky, A Jakubowiak, J San-Miguel, H Ludwig, S Ro, S Aggarwal, P Moreau, A Palumbo
Carfilzomib, a proteasome inhibitor, is approved as monotherapy and in combination with dexamethasone or lenalidomide-dexamethasone (Rd) for relapsed or refractory multiple myeloma. The approval of carfilzomib-lenalidomide-dexamethasone (KRd) was based on results from the randomized, phase 3 study ASPIRE (NCT01080391), which showed KRd significantly improved progression-free survival (PFS) vs Rd (median 26.3 vs 17.6 months; hazard ratio (HR)=0.690; P=0.0001). This subgroup analysis of ASPIRE evaluated KRd vs Rd by number of previous lines of therapy and previous exposure to bortezomib, thalidomide or lenalidomide...
April 21, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28428958/debromoaplysiatoxin-as-the-causative-agent-of-dermatitis-in-a-dog-after-exposure-to-freshwater-in-california
#5
Birgit Puschner, Adrienne C Bautista, Chris Wong
Contamination of recreational waters with cyanobacterial toxins continues to increase and presents a risk to animals and humans. Although cases of acute hepato- and neurotoxicoses in dogs following cyanotoxin exposure exist, no reports of skin-related reactions in dogs exist. A 5-year-old female spayed 34 kg Bracco Italiano was initially presented for rapid onset of severe pruritus and urticaria. Marked excoriation and erythema were noted over the chest and neck, while urticaria was noted in the inguinal regions and ventral abdomen...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28428898/severe-acute-hepatitis-b-in-hbv-vaccinated-partner-of-a-patient-with-multiple-myeloma-treated-with-cyclophosphamide-bortezomib-and-dexamethasone-and-autologous-stem-cell-transplant
#6
Majed M Almaghrabi, Kyle J Fortinsky, David Wong
Hepatitis B reactivation can occur with various forms of immunosuppression. Cyclophosphamide, Bortezomib, and Dexamethasone (CYBOR-D) chemotherapy is commonly used for the treatment of multiple myeloma and has not been noted in guidelines to be causative in HBV reactivation. Indeed, current guidelines do not recommend providing antiviral prophylaxis to patients with prior HBV infection. We present a case of HBV reactivation as a result of CYBOR-D and autologous stem cell transplant which is complicated by the patient's partner who developed acute hepatitis B...
2017: Case Reports in Hepatology
https://www.readbyqxmd.com/read/28428205/measurable-supratentorial-white-matter-volume-changes-in-patients-with-diffuse-intrinsic-pontine-glioma-treated-with-an-anti-vascular-endothelial-growth-factor-agent-steroids-and-radiation
#7
P Svolos, W E Reddick, A Edwards, A Sykes, Y Li, J O Glass, Z Patay
BACKGROUND AND PURPOSE: Assessing the response to treatment in infiltrative brain tumors by using lesion volume-based response criteria is challenging. We hypothesized that in such tumors, volume measurements alone may not accurately capture changes in actual tumor burden during treatment. We longitudinally evaluated volume changes in both normal-appearing supratentorial white matter and the brain stem lesions in patients treated for diffuse intrinsic pontine glioma to determine to what extent adjuvant systemic therapies may skew the accuracy of tumor response assessments based on volumetric analysis...
April 20, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28427176/metronomic-regimen-as-an-effective-treatment-for-aggressive-t-lgl-leukemia-with-central-nervous-system-infiltration-clinical-experience-and-review-of-literature
#8
REVIEW
Yun Liu, Lei Fan, Huihui Zhao, Wei Xu, Jianyong Li
A 71-year-old man was diagnosed with T-Large granular lymphocytic (LGL) leukemia, which usually represents a relatively indolent clinical course. While the clinical manifestation of this patient we report herein was aggressive with lasting fever, splenomegaly and hemophagocytic lymphohistiocytosis (HLH). T-cell immunophenotype was CD3+CD4-CD8-CD5-CD7-TCRαβ+. After comprehensive evaluation, an adjusted chemotherapy regimen CEOP (cyclophosphamide, vincristine, etoposide, prednisone) with etoposide, a potential effective regimen for HLH was administrated to the patient...
February 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427068/intravitreal-steroids-in-diabetic-macular-edema
#9
Rosangela Lattanzio, Maria Vittoria Cicinelli, Francesco Bandello
Over the past decade, great strides have been made in the management of diabetic macular edema (DME). Therapeutic alternatives now include focal/grid laser photocoagulation, vitreo-retinal surgery, and intraocular injection of anti-angiogenic and steroid molecules. Intravitreal administration of steroids represents a fundamental alternative for recalcitrant and naive eyes with DME, especially in those cases when anti-vascular endothelial growth factor (VEGF) agents are contraindicated or a treatment regimen with fewer intravitreal injections is required...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28426623/intravitreal-dexamethasone-implantation-in-patients-with-different-morphological-diabetic-macular-edema-having-insufficient-response-to-ranibizumab
#10
Havva Kaldırım, Serpil Yazgan, Kursat Atalay, Ceren Gurez, Fatma Savur
PURPOSE: To evaluate the effectiveness of a single intravitreal injection of dexamethasone implant in resistant diabetic macular edema that have different morphological types. METHODS: In this retrospective study, 31 patients (35 eyes) with persistent diabetic macular edema, who underwent a single injection of dexamethasone implant, were evaluated. Diabetic macular edema was classified into three types: diffuse retinal thickening (n = 10), cystoid macular edema (n = 13), and serous retinal detachment (n = 12)...
April 19, 2017: Retina
https://www.readbyqxmd.com/read/28426102/infection-related-complications-during-treatment-for-childhood-acute-lymphoblastic-leukemia
#11
H Inaba, D Pei, J Wolf, S C Howard, R T Hayden, M Go, O Varechtchouk, T Hahn, J Buaboonnam, M L Metzger, J E Rubnitz, R C Ribeiro, J T Sandlund, S Jeha, C Cheng, W E Evans, M V Relling, C-H Pui
Background: Comprehensive studies on neutropenia and infection-related complications in patients with acute lymphoblastic leukemia (ALL) are lacking. Patients and methods: We evaluated infection-related complications that were grade ≥3 on National Cancer Institute's Common Terminology Criteria for Adverse Events (version 3.0) and their risk factors in 409 children with newly diagnosed ALL throughout the treatment period. Results: Of the 2420 infection episodes, febrile neutropenia and clinically or microbiologically documented infection were seen in 1107 and 1313 episodes, respectively...
February 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28424738/protective-effects-of-li-fei-xiao-yan-prescription-on-lipopolysaccharide-induced-acute-lung-injury-via-inhibition-of-oxidative-stress-and-the-tlr4-nf-%C3%AE%C2%BAb-pathway
#12
Lie-Qiang Xu, Xiu-Ting Yu, Shu-Hua Gui, Jian-Hui Xie, Xiu-Fen Wang, Zu-Qing Su, Yu-Cui Li, Xiao-Ping Lai, Janis Ya-Xian Zhan, You-Liang Xie
Li-Fei-Xiao-Yan prescription (LFXY) has been clinically used in China to treat inflammatory and infectious diseases including inflammatory lung diseases. The present study was aimed at evaluating the potential therapeutic effects and potential mechanisms of LFXY in a murine model of lipopolysaccharide- (LPS-) induced acute lung injury (ALI). In this study, the mice were orally pretreated with LFXY or dexamethasone (positive drug) before the intratracheal instillation of LPS. Our data indicated that pretreatment with LFXY enhanced the survival rate of ALI mice, reversed pulmonary edema and permeability, improved LPS-induced lung histopathology impairment, suppressed the excessive inflammatory responses via decreasing the expression of proinflammatory cytokines (TNF-α, IL-1β, and IL-6) and chemokine (MIP-2) and inhibiting inflammatory cells migration, and repressed oxidative stress through the inhibition of MPO and MDA contents and the upregulation of antioxidants (SOD and GSH) activities...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28424165/suppression-of-b-cell-development-genes-is-key-to-glucocorticoid-efficacy-in-treatment-of-acute-lymphoblastic-leukemia
#13
Karina Kruth, Mimi Fang, Dawne N Shelton, Ossama Abu-Halawa, Ryan Mahling, Hongxing Yang, Jonathan S Weissman, Mignon L Loh, Markus Müschen, Sarah K Tasian, Michael C Bassik, Martin Kampmann, Miles A Pufall
Glucocorticoids (GCs), including dexamethasone (dex), are a central component of combination chemotherapy for childhood B-cell precursor acute lymphoblastic leukemia (B-ALL). GCs work by activating the glucocorticoid receptor (GR), a ligand-induced transcription factor, which in turn regulates genes that induce leukemic cell death. Which GR-regulated genes are required for GC cytotoxicity, which pathways affect their regulation, and how resistance arises are not well understood. Here we systematically integrate the transcriptional response of B-ALL to GCs with a next-generation shRNA screen to identify GC-regulated "effector" genes that contribute to cell death as well as genes that affect the sensitivity of B-ALL cells to dex...
April 19, 2017: Blood
https://www.readbyqxmd.com/read/28423714/usefulness-of-the-mrp2-promoter-to-overcome-the-chemoresistance-of-gastrointestinal-and-liver-tumors-by-enhancing-the-expression-of-the-drug-transporter-oatp1b1
#14
Elisa Herraez, Laura Sanchez-Vicente, Rocio I R Macias, Oscar Briz, Jose J G Marin
Tumor response to chemotherapy is often limited by drug export through ABC proteins. To overcome this problem, here we have investigated the usefulness of inducing the expression of the multidrug uptake transporter OATP1B1 under the control of the MRP2 promoter (MRP2pr). Human hepatoma cells (Alexander) were transfected with MRP2pr fragments of different length fused to the firefly luciferase ORF in order to select the shortest fragment with the highest response to dexamethasone, which was subsequently used to generate the chimeric construct MRP2pr-OATP1B1-V5...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423696/improvement-of-dexamethasone-sensitivity-by-chelation-of-intracellular-ca2-in-pediatric-acute-lymphoblastic-leukemia-cells-through-the-prosurvival-kinase-erk1-2-deactivation
#15
Souleymane Abdoul-Azize, Isabelle Dubus, Jean-Pierre Vannier
Previous studies have demonstrated that glucocorticoid hormones, including dexamethasone, induced alterations in intracellular calcium homeostasis in acute lymphoblastic leukemia (ALL) cells. However, the mechanism by which intracellular calcium homeostasis participates in dexamethasone sensitivity and resistance on ALL cells remains elusive. Here, we found that treatment of cells with dexamethasone resulted in increased intracellular calcium concentrations through store-operated calcium entry stimulation, which was curtailed by store-operated calcium channel blockers...
March 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423235/hepatic-sinusoidal-obstruction-syndrome-during-maintenance-therapy-of-childhood-acute-lymphoblastic-leukemia-is-associated-with-continuous-asparaginase-therapy-and-mercaptopurine-metabolites
#16
Linea Natalie Toksvang, Silvia De Pietri, Stine N Nielsen, Jacob Nersting, Birgitte K Albertsen, Peder S Wehner, Steen Rosthøj, Päivi M Lähteenmäki, Daniel Nilsson, Tove A Nystad, Kathrine Grell, Thomas L Frandsen, Kjeld Schmiegelow
BACKGROUND: Hepatic sinusoidal obstruction syndrome (SOS) during treatment of childhood acute lymphoblastic leukemia (ALL) has mainly been associated with 6-thioguanine. The occurrence of several SOS cases after the introduction of extended pegylated asparaginase (PEG-asparaginase) therapy in the Nordic Society of Paediatric Haematology and Oncology (NOPHO) ALL2008 protocol led us to hypothesize that PEG-asparaginase, combined with other drugs, may trigger SOS during 6-thioguanine-free maintenance therapy...
April 19, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28422865/crystalglobulinemia-manifesting-as-chronic-arthralgia-and-acute-limb-ischemia-a-clinical-case-report
#17
Nobuya Abe, Tomoko Tomita, Miyuki Bohgaki, Hideki Kasahara, Takao Koike
RATIONALE: Crystalglobulinemia is a rare disease caused by monoclonal immunoglobulins, characterized by irreversible crystallization on refrigeration. It causes systemic symptoms including purpura, arthralgia, and vessel occlusive conditions to be exacerbated by exposure to cold. We report a patient with crystalglobulinemia associated with monoclonal gammopathy of undetermined significance (MGUS) manifesting as chronic arthralgia and recurrent acute arterial occlusion. PRESENTING CONCERNS: A 61-year-old man, who had been diagnosed with MGUS and who had arthralgia of unknown origin, presented with recurrent acute limb ischemia after surgical thromboembolectomy...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28422515/allergen-induced-increases-in-sputum-levels-of-group-2-innate-lymphoid-cells-in-asthmatic-subjects
#18
Ruchong Chen, Steven G Smith, Brittany Salter, Amani El-Gammal, John Paul Oliveria, Caitlin Obminski, Rick Watson, Paul M O'Byrne, Gail M Gauvreau, Roma Sehmi
RATIONALE: Group 2 innate lymphoid cells (ILC2), a major source of type 2 cytokines, initiate eosinophilic inflammatory responses in murine models of asthma. OBJECTIVES: Investigate the role of ILC2 in allergen-induced airway eosinophilic responses in atopic asthmatics. METHODS: Using a diluent-controlled allergen challenge cross-over study, where all subjects (n=10) developed allergen-induced early and late responses , airway eosinophilia and increased methacholine airway responsiveness, bone marrow, blood and sputum samples were collected pre- and post-inhalation challenge...
April 19, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28422374/significant-curative-functions-of-the-mesenchymal-stem-cells-on-methotrexate-induced-kidney-and-liver-injuries-in-rats
#19
Amany M Gad, Wedad A Hassan, Ebtehal Mohammad Fikry
Mesenchymal stem cells (MSCs) curative effects on methotrexate (MTX)-induced kidney and liver injuries remain elusive. Therefore, rats were divided into five groups, rats received MTX orally (14 mg/kg) as a single dose/week for 2 weeks, groups 3 and 4 were injected once with 2 × 10(6) cells bone marrow MSCs and adipose-derived MSCs, respectively. The last group administered dexamethasone (DEX) (0.5 mg/kg, p.o) for 7 days. MTX caused marked increase in malondialdehyde and nitrite/nitrate concentrations...
April 19, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28420846/intrathecal-isoniazid-for-refractory-tuberculous-meningitis-with-cerebral-infarction
#20
Yuko Nakatani, Yutaka Suto, Kazuki Fukuma, Mika Yamawaki, Ryoichi Sakata, Shotaro Takahashi, Hiroyuki Nakayasu, Kenji Nakashima
A 30-year-old Vietnamese woman, about 19 weeks pregnant, was admitted for acute cerebral infarction with stenosis of the left middle cerebral artery (LMCA), tuberculous meningitis, and miliary tuberculosis. Treatment with heparin, quadruple anti-tuberculosis therapy, and dexamethasone afforded prompt symptomatic improvement. However, she delivered a stillbirth, after which there was recurrence of acute cerebral infarction with LMCA occlusion, sinus thrombosis, and cranial base inflammation. A thrice-weekly 100 mg dose of intrathecal isoniazid (INH) improved the signs of meningeal inflammation...
2017: Internal Medicine
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