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https://www.readbyqxmd.com/read/28110324/setting-kinetics-and-mechanical-properties-of-flax-fibre-reinforced-glass-ionomer-restorative-materials
#1
Abou Neel Ensanya Ali, Young Anne M
Regardless of the excellent properties of glass ionomer cements, their poor mechanical properties limit their applications to non-load bearing areas. This study aimed to investigate the effect of incorporated short, chopped and randomly distributed flax fibers (0, 0.5, 1, 2.5, 5 and 25 wt%) on setting reaction kinetics, and mechanical and morphological properties of glass ionomer cements. Addition of flax fibers did not significantly affect the setting reaction extent. According to their content, flax fibers increased the compressive (from 148 to 250 MPa) and flexure strength (from 20 to 42 MPa)...
October 17, 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28105347/pulmonary-intravascular-large-b-cell-lymphoma-successfully-treated-with-rituximab-cyclophosphamide-vincristine-doxorubicin-and-prednisolone-immunochemotherapy-report-of-a-patient-surviving-for-over-1-year
#2
Shizuka Nishii-Ito, Hiroki Izumi, Hirokazu Touge, Kenichi Takeda, Yuzuru Hosoda, Akira Yamasaki, Satoshi Kuwamoto, Eiji Shimizu, Toru Motokura
A 73-year-old man with a history of lethargy, fever and dyspnea was admitted to Tottori University Hospital. A computed tomography (CT) scan revealed splenomegaly and diffusely spreading ground-glass opacities (GGOs) in both lungs. A video-assisted thoracoscopic surgery (VATS)-guided lung biopsy revealed intravascular proliferation of large atypical lymphoid cells in the arteries, veins and alveolar walls. The patient was diagnosed with intravascular large B-cell lymphoma (IVLBCL); he received 6 cycles of rituximab, cyclophosphamide, doxorubicin, vincristine and prednisolone (R-CHOP) immunochemotherapy and has remained in complete remission for >1 year...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28103509/3-5-dihydroxy-3-4-7-trimethoxyflavone-induces-er-stress-associated-hct-116-programmed-cell-death-via-redox-signaling
#3
Mahendra Pal Singh, Jaehong Han, Sun Chul Kang
Quercetin, a well cognized bioactive flavone possessing great medicinal value, has limited usage. The rapid gastrointestinal digestion of quercetin is also a major obstacle for its clinical implementation due to low bioavailability and poor aqueous solubility. 3',5-dihydroxy-3,4',7-trimethoxyflavone (DTMF), a novel semi-synthetic derivative of quercetin, is known to modulate several biological activities. Therefore, in the present study we examined the cytotoxic mechanism of DTMF in concentration-dependent manner (25, 50, and 100μM; 24h) against HCT-116 human colon carcinoma cells...
January 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28101356/a-case-report-of-primary-cutaneous-natural-killer-t-cell-lymphoma
#4
Chen Tian, Yong Yu, Yizhuo Zhang
Primary cutaneous extranodal natural killer/T-cell lymphoma, nasal type (ENKL-NT) is a relatively rare disease associated with aggressive tumor-cell behavior and poor prognosis. Progress in immunohistochemistry has improved the identification of ENKL-NT. The present case study reported on a 64-year-old female patient presenting with several red nodular lesions on the neck developed over four months. Cutaneous biopsy revealed these cells were positive for CD3, CD56, CD5, CD8 and negative for CD2, CD34, CD7, CD20 and Granzyme B...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28100868/growth-inhibition-of-refractory-human-gallbladder-cancer-cells-by-retinol-and-its-mechanism-of-action
#5
Chuan Li, Masahiko Imai, Shinya Hasegawa, Masahiro Yamasaki, Noriko Takahashi
Among the constituents of the essential nutrient vitamin A, retinol is a potent suppressor of refractory cancer cell growth linked to tumor progression, showing greater efficacy than retinoic acid (RA). However, the mechanisms of retinol action on human refractory cancer are not known well. In the current study, we examined the actions of retinol on proliferation of human gallbladder cancer NOZ C-1 cells. Retinol and RA inhibited the proliferation of human NOZ C-1 cells in dose-dependent manner, while RA was less potent than retinol...
January 18, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28100766/comparison-of-a-chop-lasp-based-protocol-with-and-without-maintenance-for-canine-multicentric-lymphoma
#6
E M Lautscham, M Kessler, T Ernst, L Willimzig, R Neiger
The recommendation to treat canine lymphoma with a discontinuous protocol is based on small case numbers and mostly historic controls. This study compares duration of first remission (DFR) and overall survival time (ST) with a discontinuous protocol to the same protocol with maintenance phase. 408 dogs were treated with a CHOP-LAsp (C=cyclophosphamide; H=hydroxydaunorubicin; O=Oncovin; P=prednisolone; LAsp=l-asparaginase)-based 28-week induction protocol. In 75 dogs (cohort 1), this was followed by a maintenance phase consisting of vincristine, chlorambucil and actinomycin-D with a total treatment duration of two years...
January 18, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28100484/atf6-knock-down-decreases-apoptosis-arrests-the-s-phase-of-the-cell-cycle-and-increases-steroid-hormone-production-in-mouse-granulosa-cells
#7
Yongjie Xiong, Huatao Chen, Pengfei Lin, Aihua Wang, Lei Wang, Yaping Jin
Activating transcription factor 6 (ATF6) is an important factor in the endoplasmic reticulum (ER) stress signaling pathway. The aim of this study was to assess the role of ATF6 in mouse granulosa cells with respect to apoptosis, the cell cycle, and steroid hormone production, as well as several key genes related to follicular development, via RNA interference, immunohistochemical staining, real-time quantitative polymerase chain reaction, western blotting, flow cytometry, TUNEL assay, and ELISA. Immunohistochemical staining revealed that ATF6 was extensively distributed in the granulosa cells of various ovarian follicles and oocytes in adult female mice...
January 18, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28099151/clinical-impact-of-serum-survivin-positivity-and-tissue-expression-of-ebv-encoded-rna-in-diffuse-large-b-cell-lymphoma-patients-treated-with-rituximab-chop
#8
Jung Yong Hong, Kyung Ju Ryu, Chaehwa Park, Mineui Hong, Young Hyeh Ko, Won Seog Kim, Seok Jin Kim
Survivin is an inhibitor of apoptosis and is upregulated by Epstein-Barr virus (EBV) latent genes. Given the frequent association of EBV with lymphoid malignancies, survivin is expected to have prognostic value in diffuse large B-cell lymphoma (DLBCL). Thus, we measured the pretreatment serum level of survivin in DLBCL patients and analyzed its association with survival outcome and EBV status, as represented by EBV-encoded RNA (EBER) in DLBCL. Pretreatment serum survivin level was measured in patients registered in a prospective cohort study (n = 210), and serum survivin-positivity was defined as any detectable level of survivin...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28097046/molecular-classification-of-tissue-from-a-transformed-non-hogkin-s-lymphoma-case-with-unexpected-long-time-remission
#9
Julie Støve Bødker, Marianne Tang Severinsen, Tarec Christoffer El-Galaly, Rasmus Froberg Brøndum, Maria Bach Laursen, Steffen Falgreen, Mette Nyegaard, Alexander Schmitz, Lasse Hjort Jakobsen, Anna Amanda Schönherz, Hanne Due, Linn Reinholdt, Martin Bøgsted, Karen Dybkær, Hans Erik Johnsen
BACKGROUND: The concept of precision medicine in cancer includes individual molecular studies to predict clinical outcomes. In the present N = 1 case we retrospectively have analysed lymphoma tissue by exome sequencing and global gene expression in a patient with unexpected long-term remission following relaps. The goals were to phenotype the diagnostic and relapsed lymphoma tissue and evaluate its pattern. Furthermore, to identify mutations available for targeted therapy and expression of genes to predict specific drug effects by resistance gene signatures (REGS) for R-CHOP as described at http://www...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28096087/diffuse-large-b-cell-lymphoma-genotyping-on-the-liquid-biopsy
#10
Davide Rossi, Fary Diop, Elisa Spaccarotella, Sara Monti, Manuela Zanni, Silvia Rasi, Clara Deambrogi, Valeria Spina, Alessio Bruscaggin, Chiara Favini, Roberto Serra, Antonio Ramponi, Renzo Boldorini, Robin Foa', Gianluca Gaidano
Accessible and real-time genotyping for diagnostic, prognostic or treatment purposes is increasingly impelling in diffuse large B-cell lymphoma (DLBCL). Cell-free DNA (cfDNA) is shed into the blood by tumor cells undergoing apoptosis and can be used as source of tumor DNA for the identification of DLBCL mutations, clonal evolution, and genetic mechanisms of resistance. Here we aimed at tracking the basal DLBCL genetic profile and its modification upon treatment using plasma cfDNA. Ultra-deep targeted next generation sequencing of pre-treatment plasma cfDNA from DLBCL patients correctly discovered DLBCL-associated mutations that were represented in >20% of the alleles of the tumor biopsy with a >90% sensitivity and a ~100% specificity...
January 17, 2017: Blood
https://www.readbyqxmd.com/read/28095160/minimal-loss-of-lifetime-for-patients-with-diffuse-large-b-cell-lymphoma-in-remission-and-event-free-24-months-after-treatment-a-danish-population-based-study
#11
Lasse Hjort Jakobsen, Martin Bøgsted, Peter de Nully Brown, Bente Arboe, Judit Jørgensen, Thomas Stauffer Larsen, Maja Bech Juul, Lene Schurmann, Linda Højberg, Olav Jonas Bergmann, Therese Lassen, Pär Lars Josefsson, Paw Jensen, Hans Erik Johnsen, Tarec Christoffer El-Galaly
Purpose The general outlook for patients with diffuse large B-cell lymphoma (DLBCL) in first remission is important information for patients and for planning post-treatment follow-up. The purpose of this study was to evaluate the survival of patients with DLBCL in remission compared with a matched general population. Methods A total of 1,621 patients from the Danish Lymphoma Registry who were newly diagnosed with DLBCL between 2003 and 2011 were included in this study. All patients were ≥ 16 years of age at diagnosis and had achieved complete remission or complete remission unconfirmed after first-line rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) or R-CHOP-like therapy...
January 17, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28088968/-para-neoplastic-autoimmune-multi-organ-syndrome-associated-with-follicular-lymphoma-a-case-report-and-literature-review
#12
D Chen, C Y Lin, X Han, B Chen, Z H Lu, X Y Chang, M H Duan
Objective: To broaden our knowledge of para-neoplastic autoimmune multi-organ syndrome (PAMS). Methods: A patient with PAMS associated with follicular lymphoma and bronchiolitis obliterans treated in our hospital was retrospectively analyzed and the clinical features of PAMS were reviewed. Results: A 49-year-old female patient suffered from painful ulcers in the oral cavity and vagina, dry cough and dyspnea. Imaging examinations suggested multiple lymph node enlargements. Inguinal lymph node biopsy revealed follicular lymphoma...
December 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28088967/-a-phase-%C3%A2-dose-escalating-trial-of-pegylated-liposomal-doxorubicin-in-combination-with-cyclophosphamide-vincristine-and-prednisone-for-aggressive-non-hodgkin-lymphoma
#13
W N Shen, D M Ji, K Xue, Q L Zhang, F F Lyu, X N Hong, J N Cao, Y Guo
Objective: To explore the maximum tolerated dose of pegylated liposomal doxorubicin (PLD) in combination with cyclophosphamide, vincristine and prednisone as a modified CHOP regimen for aggressive non-Hodgkin lymphoma. Methods: Patients with newly diagnosed aggressive non-Hodgkin lymphoma were eligible for this trial. PLD was administered in cycle 1 and categorized into 4 dose level (30 mg/m(2), 35 mg/m(2), 40 mg/m(2), 45 mg/m(2) D1) according to a 3 + 3 approach for dose-escalation. Doxorubin was used in cycles 2-6...
December 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28088783/%C3%AE-asarone-blocks-7%C3%AE-hydroxycholesterol-exposed-macrophage-injury-through-blocking-elf2%C3%AE-phosphorylation-and-prompting-beclin-1-dependent-autophagy
#14
Sin-Hye Park, Min-Kyung Kang, Yean-Jung Choi, Yun-Ho Kim, Lucia Dwi Antika, Dong Yeon Kim, Eun-Jung Lee, Soon Sung Lim, Young-Hee Kang
Macrophage apoptosis is salient in advanced atherosclerotic lesions and is induced by several stimuli including endoplasmic reticulum (ER) stress. This study examined that α-asarone present in purple perilla abrogated macrophage injury caused by oxysterols via ER stress- and autophagy-mediated mechanisms. Nontoxic α-asarone at 1-20 μM attenuated 7β-hydroxycholesterol-induced activation of eukaryotic initiation factor 2α in macrophages leading to C/EBP homologous protein (CHOP) expression and apoptosis due to sustained ER stress...
January 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28087437/hydrogen-rich-saline-attenuates-hippocampus-endoplasmic-reticulum-stress-after-cardiac-arrest-in-rats
#15
Yu Gao, Qinfang Gui, Li Jin, Pan Yu, Lin Wu, Liangbin Cao, Qiang Wang, Manlin Duan
BACKGROUND: Hydrogen-rich saline can selectively scavenge reactive oxygen species (ROS) and protect brain against ischemia reperfusion (I/R) injury. Endoplasmic reticulum stress (ERS) has been implicated in the pathological process of cerebral ischemia. However, very little is known about the role of hydrogen-rich saline in mediating pathophysiological reactions to ERS after I/R injury caused by cardiac arrest. METHODS: The rats were randomly divided into three groups, sham group (n=30), ischemia/reperfusion group (n=40) and hydrogen-rich saline group (n=40)...
January 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28087337/tunicamycin-impairs-olfactory-learning-and-synaptic-plasticity-in-the-olfactory-bulb
#16
Jia Tong, Fumino Okutani, Yoshihiro Murata, Mustuo Taniguchi, Toshiharu Namba, Yu-Jie Wang, Hideto Kaba
Tunicamycin (TM) induces endoplasmic reticulum (ER) stress and inhibits N-glycosylation in cells. ER stress is associated with neuronal death in neurodegenerative disorders, such as Parkinson's disease and Alzheimer's disease, and most patients complain of the impairment of olfactory recognition. Here we examined the effects of TM on aversive olfactory learning and the underlying synaptic plasticity in the main olfactory bulb (MOB). Behavioral experiments demonstrated that the intrabulbar infusion of TM disabled aversive olfactory learning without affecting short-term memory...
January 10, 2017: Neuroscience
https://www.readbyqxmd.com/read/28081472/endoplasmic-reticulum-stress-and-apoptosis-via-perk-eif2%C3%AE-chop-signaling-in-the-methamphetamine-induced-chronic-pulmonary-injury
#17
Yu-Han Gu, Yun Wang, Yang Bai, Ming Liu, Huai-Liang Wang
Methamphetamine (MA) leads to multiple organs lesions and apoptosis. The aim of this study is to investigate if endoplasmic reticulum stress (ERS) - initiated apoptosis is involved in the chronic pulmonary injury induced by MA. In this study, rats were divided into a control group, methamphetamine 5mg/kg group and methamphetamine 10mg/kg group. This study found that the protein level of GRP78 is higher in M10 group than in control group. PERK signaling and the relevant apoptosis factors were also activated...
January 3, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28077357/triglyceride-rich-lipoprotein-lipolysis-products-increase-blood-brain-barrier-transfer-coefficient-and-induce-astrocyte-lipid-droplets-and-cell-stress
#18
Linda L Lee, Hnin Hnin Aung, Dennis W Wilson, Steven E Anderson, John C Rutledge, Jennifer M Rutkowsky
Elevation of blood triglycerides, primarily as triglyceride-rich lipoproteins (TGRL), has been linked to cerebrovascular inflammation, vascular dementia, and Alzheimer's disease (AD). Brain microvascular endothelial cells and astrocytes, two cell components of the neurovascular unit, participate in controlling blood-brain barrier (BBB) permeability and regulating neurovascular unit homeostasis. Our studies showed that infusion of high physiological concentrations of TGRL lipolysis products (TGRL + lipoprotein lipase) activate and injure brain endothelial cells and transiently increases the BBB transfer coefficient (Ki=permeability x surface area/volume) in vivo...
January 11, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28076993/evaluation-of-clinical-and-serological-findings-for-diagnosis-of-cutaneous-anthrax-infection-after-an-outbreak
#19
Duygu Gulseren, Serap Süzük-Yıldız, Bekir Çelebi, Selçuk Kılıç
PURPOSE: Anthrax, caused by the bacterium Bacillus anthracis, is one of the oldest documented infectious diseases in both livestock and humans.We aimed to evaluate clinical findings and risk factors of patients with cutaneous anthrax infection and report anti-lethal factor (LF) IgG and anti-protective antigene (PA) IgG titers in the serologic diagnosis of disease. METHODS: In this study, serum samples of 18 cutaneous anthrax patients were collected and anti-LF IgG and anti-PA IgG titers were measured by enzyme-linked immunosorbent assay (ELISA)...
January 11, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28076862/prognostic-value-of-the-pretreatment-advanced-lung-cancer-inflammation-index-ali-in-diffuse-large-b-cell-lymphoma-patients-treated-with-r-chop-chemotherapy
#20
Young Hoon Park, Hyeon Gyu Yi, Moon Hee Lee, Chul Soo Kim, Joo Han Lim
BACKGROUND: The Advanced Lung Cancer Inflammation Index (ALI, body mass index × albumin/neutrophil-to-lymphocyte ratio) has been demonstrated to be a prognostic factor of survival in some solid cancers. We retrospectively investigated the usefulness of the ALI to predict chemotherapy response and survival in 212 patients with diffuse large B cell lymphoma (DLBCL) treated with R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisolone) chemotherapy. METHODS: Patients were allocated to a low ALI group (n = 82, 38...
January 12, 2017: Acta Haematologica
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