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https://www.readbyqxmd.com/read/27925325/inflammation-oxidative-stress-and-apoptosis-cascade-implication-in-bisphenol-a-induced-liver-fibrosis-in-male-rats
#1
Sahar El-Sayed Elswefy, Fatma Rizk Abdallah, Hebatallah Husseini Atteia, Alaa Samir Wahba, Rehab Abdallah Hasan
Bisphenol A (BPA) is a key monomer in the production of plastics. It has been shown to be hepatotoxic. Inflammation and oxidative stress are closely linked with liver fibrosis, the major contributing factor to hepatic failure. Therefore, the aim of this study was to evaluate the impact of chronic exposure to BPA on the development of hepatic fibrosis in male rats and to determine the cross-talk between the hepatic cytokine network, oxidative stress and apoptosis. For this purpose, 30 male Wistar albino rats were divided into three equal groups as follows: the first group was given no treatment (normal control group); the second group was given corn oil once daily by oral gavage for 8 weeks (vehicle control group); and the third group received BPA (50 mg/kg body weight/day, p...
December 7, 2016: International Journal of Experimental Pathology
https://www.readbyqxmd.com/read/27924864/cerebrospinal-fluid-il-10-and-il-10-il-6-as-accurate-diagnostic-biomarkers-for-primary-central-nervous-system-large-b-cell-lymphoma
#2
Yang Song, Wei Zhang, Li Zhang, Wei Wu, Yan Zhang, Xiao Han, Chen Yang, Lu Zhang, Daobin Zhou
Early diagnosis of primary central nervous system lymphoma (PCNSL) represents a challenge, and cerebrospinal fluid (CSF) cytokines may be diagnostic biomarkers for PCNSL. We used an electrochemiluminescence immunoassay to measure interleukin (IL)-10, IL-6, IL-8 and tumor necrosis factor α (TNF-α) in the CSF of 22 B cell PCNSL patients and 80 patients with other CNS diseases. CSF IL-10 was significantly higher in PCNSL patients than in the control group (median 74.7 pg/ml vs < 5.0 pg/ml, P < 0...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27923859/non-growing-follicle-density-is-increased-following-adriamycin-bleomycin-vinblastine-and-dacarbazine-abvd-chemotherapy-in-the-adult-human-ovary
#3
M McLaughlin, T W Kelsey, W H B Wallace, R A Anderson, E E Telfer
STUDY QUESTION: Do the chemotherapeutic regimens of ABVD (adriamycin, bleomycin, vinblastine and dacarbazine) or OEPA-COPDAC (combined vincristine, etoposide, prednisone, doxorubicin (OEPA) and cyclophosphamide, vincristine, prednisone, dacarbazine (COPDAC)) used to treat Hodgkin lymphoma (HL), affect the density, morphology and in vitro developmental potential of human ovarian follicles? SUMMARY ANSWER: Ovarian tissue from women treated with ABVD contained a higher density of non-growing follicles (NGFs) per cubic millimetre and increased numbers of multiovular follicles but showed reduced in vitro growth compared with patients with lymphoma who had not received chemotherapy, patients treated with OEPA-COPDAC, age-matched healthy women and age-related model-predicted values...
December 5, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27923651/a-cheap-simple-high-throughput-method-for-screening-native-helicobacter-pylori-urease-inhibitors-using-a-recombinant-escherichia-coli-its-validation-and-demonstration-of-pistacia-atlantica-methanolic-extract-effectivity-and-specificity
#4
Natalie Amar, Avi Peretz, Yoram Gerchman
Helicobacter pylori is the most frequent and persistent bacterial infection worldwide, and a risk factor for active gastritis, peptic ulcers, mucosa-associated lymphoid tissue lymphoma, and gastric cancer. Although combined antibiotics treatment is effective cases of antibiotic resistance are reported at an alarming rate. The H. pylori urease enzyme is essential for the bacteria establishment in the gastric mucosa, resulting urease inhibitors being sought after as effective and specific anti- H. pylori treatment...
December 3, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27923552/preleukaemic-clonal-haemopoiesis-and-risk-of-therapy-related-myeloid-neoplasms-a-case-control-study
#5
Koichi Takahashi, Feng Wang, Hagop Kantarjian, Denaha Doss, Kanhav Khanna, Erika Thompson, Li Zhao, Keyur Patel, Sattva Neelapu, Curtis Gumbs, Carlos Bueso-Ramos, Courtney D DiNardo, Simona Colla, Farhad Ravandi, Jianhua Zhang, Xuelin Huang, Xifeng Wu, Felipe Samaniego, Guillermo Garcia-Manero, P Andrew Futreal
BACKGROUND: Therapy-related myeloid neoplasms are secondary malignancies that are often fatal, but their risk factors are not well understood. Evidence suggests that individuals with clonal haemopoiesis have increased risk of developing haematological malignancies. We aimed to identify whether patients with cancer who have clonal haemopoiesis are at an increased risk of developing therapy-related myeloid neoplasms. METHODS: We did this retrospective case-control study to compare the prevalence of clonal haemopoiesis between patients treated for cancer who later developed therapy-related myeloid neoplasms (cases) and patients who did not develop these neoplasms (controls)...
December 2, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27922734/population-pharmacokinetics-of-ceritinib-in-adult-patients-with-tumors-characterized-by-genetic-abnormalities-in-anaplastic-lymphoma-kinase
#6
Ying Hong, Vanessa Q Passos, Pai-Hsi Huang, Yvonne Y Lau
Ceritinib is a second-generation selective and potent oral anaplastic lymphoma kinase (ALK) inhibitor approved for ALK-positive advanced non-small cell lung cancer previously treated with crizotinib. Population pharmacokinetic (PK) analysis was performed to describe the PK of ceritinib and was used to evaluate the covariate effects on systemic exposure at its label dose (750 mg orally once daily). Ceritinib concentration-time data from 4 clinical studies were described by a 1-compartment model with delayed first-order absorption and time-dependent elimination...
December 6, 2016: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27922685/5%C3%A2-bromo%C3%A2-3%C3%A2-3%C3%A2-hydroxyprop%C3%A2-1%C3%A2-ynyl-%C3%A2-2h%C3%A2-pyran%C3%A2-2%C3%A2-one-induces-apoptosis-in-t24-human-bladder-cancer-cells-through-mitochondria-dependent-signaling-pathways
#7
Guo-Qiang Yu, Zhong-Ling Dou, Zhao-Hui Jia
The present study was performed to investigate the effect of 5-bromo-3-(3-hydroxyprop-1-ynyl)-2H-pyran-2-one (BHP) on the induction of apoptosis and cell cycle arrest in T24 human bladder carcinoma cells. An MTT assay was used to investigate the inhibition of cell proliferation. Flow cytometry was used to observe alterations in the cell cycle, generation of reactive oxygen species (ROS), alterations in mitochondrial membrane potential (MMP) and induction of apoptosis in the T24 cells following BHP treatment...
December 6, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27921110/multifunctional-pei-entrapped-gold-nanoparticles-enable-efficient-delivery-of-therapeutic-sirna-into-glioblastoma-cells
#8
Lingdan Kong, Jieru Qiu, Wenjie Sun, Jia Yang, Mingwu Shen, Lu Wang, Xiangyang Shi
RNA interference (RNAi) has been considered as a promising strategy for effective treatment of cancer. However, the easy degradation of small interfering RNA (siRNA) limits its extensive applications in gene therapy. For safe and effective delivery of siRNA, a novel vector system possessing excellent biocompatibility, highly efficient transfection efficiency and specific targeting properties has to be considered. In this study, we report the use of polyethyleneimine (PEI)-entrapped gold nanoparticles (Au PENPs) modified with an arginine-glycine-aspartic (Arg-Gly-Asp, RGD) peptide via a poly(ethylene glycol) (PEG) spacer as a vector for Bcl-2 (B-cell lymphoma-2) siRNA delivery to glioblastoma cells...
December 6, 2016: Biomaterials Science
https://www.readbyqxmd.com/read/27920704/autoimmune-hemolytic-anemia-as-a-complication-of-nivolumab-therapy
#9
Amruth R Palla, Devin Kennedy, Hossain Mosharraf, Donald Doll
Recently, immunotherapeutic drugs, including PD-1 inhibitors (nivolumab, pembrolizumab), PD-L1 inhibitors (atezolizumab, avelumab), and CTLA4 inhibitors (ipiliumumab), have emerged as important additions to the armamentarium against certain malignancies and have been incorporated into therapeutic protocols for first-, second-, or third-line agents for these metastatic cancers. Immune checkpoint inhibitor nivolumab is currently FDA approved for the treatment of patients with metastatic malignant melanoma [Redman et al...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27920699/asymptomatic-multiple-lymphomatous-polyposis-identified-during-staging-bidirectional-endoscopy-of-mantle-cell-lymphoma
#10
Sonja P Dawsey, Jason A Gregory, Alexander W Brown, Frances J Jones
Multiple lymphomatous polyposis (MLP) as an extranodal manifestation of mantle cell lymphoma (MCL) in the gastrointestinal tract is rare and not often reported in the literature. We describe the case of a 63-year-old female with asymptomatic MLP found during staging bidirectional endoscopy of MCL. The patient presented only with dyspnea, but was found on physical exam to have diffuse lymphadenopathy, and subsequent positron emission tomography (PET) CT showed extensive lymph node adenopathy consistent with lymphoma...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27920681/a-rare-case-of-mycosis-fungoides-in-the-oral-cavity-and-small-intestine-complicated-by-perforation
#11
Drew Arthur Emge, Juri Bassuner, Daniel J Lewis, Madeleine Duvic
Extracutaneous involvement in mycosis fungoides (MF) carries a poor prognosis. Oral and gastrointestinal (GI) tract lesions are both rare locations of disease. We describe the clinical findings of one case with oral and GI MF complicated by perforation after systemic antineoplastic treatment, and review the relevant literature. The patient had a 1-year history of MF before development of tongue and palate tumors. He was treated with local electron beam radiation, but re-presented to the hospital after what was found to be small intestine perforation following systemic antineoplastic therapy...
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/27920641/severe-de-novo-hepatitis-b-recovered-from-late-onset-liver-insufficiency-with-prolonged-ascites-and-hypoalbuminemia-due-to-hepatitis-b-virus-genotype-bj-with-precore-mutation
#12
Akira Sato, Toshiya Ishii, Fumiaki Sano, Takayuki Yamada, Hideaki Takahashi, Nobuyuki Matsumoto
De novo hepatitis B is associated with a high risk of hepatic failure often resulting in fatal fulminant hepatitis even when nucleotide analogues are administered. A 77-year-old female developed de novo hepatitis B after R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisolone) treatment for diffuse large B-cell lymphoma. Hepatitis B virus (HBV) isolated from the patient was of genotype Bj, with a precore mutation (G1896A) exhibiting an extremely high viral load at the onset of hepatitis...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27919953/bishydroquinone-renieramycin-m-induces-apoptosis-of-human-lung-cancer-cells-through-a-mitochondria-dependent-pathway
#13
Tatchakorn Pinkhien, Arnatchai Maiuthed, Supakarn Chamni, Khanit Suwanborirux, Naoki Saito, Pithi Chanvorachote
BACKGROUND: Renieranycin M (RM), a bistetrahydro-isoquinolinequinone isolated from the Thai blue sponge, Xestospongia sp. was reported to be a potent anti-lung cancer agent. Modification at quinone ring enhanced apoptosis over necrosis. Thus, bishydroquinone renieramycin M (HQ-RM) was prepared and evaluated for apoptosis induction in lung cancer cells. METHODS: HQ-RM was examined for cytotoxicity and apoptosis induction in human lung cancer H292 cells by 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyltetrazoliumbromide and Hoechst/propidium iodide staining, respectively...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919680/aldh1a1-induces-resistance-to-chop-in-diffuse-large-b-cell-lymphoma-through-activation-of-the-jak2-stat3-pathway
#14
Jinqiong Jiang, Yiping Liu, Youhong Tang, Li Li, Ruolan Zeng, Shan Zeng, Meizuo Zhong
Although the majority of patients with diffuse large B-cell lymphoma (DLBCL) can be cured with CHOP (cyclophosphamide, doxorubicin, vincristine, and prednisone), chemoresistance is a common cause of treatment failure. This study aims to investigate the significance of aldehyde dehydrogenase (ALDH) 1A1 expression and the mechanism by which ALDH1A1 is involved in chemoresistance of DLBCL cells. ALDH1A1 expression levels were upregulated in patients with stable or progressive disease after CHOP treatment and positively correlated with expression of STAT3 and p-STAT3...
December 2, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27919179/an-analysis-of-the-role-of-follicular-lymphoma-associated-fibroblasts-to-promote-tumor-cell-viability-following-drug-induced-apoptosis
#15
Annette M Staiger, Jasmin Duppel, Michael A Dengler, Heiko van der Kuip, Matthias C Vöhringer, Walter E Aulitzky, Andreas Rosenwald, German Ott, Heike Horn
Treatment response of follicular lymphomas (FL) is highly variable. We, therefore, investigated the role of FL cancer-associated fibroblasts (CAFs) on tumor cell viability, in particular in response to treatment with cytotoxic drugs. Stromal cells outgrown from FL patients were characterized and pure CAF populations were co-cultivated with FL cells. To analyze fibroblast-mediated effects, cells in co-culture were treated with ABT-737 and Bortezomib. The adherent cell population was positive for all fibroblastic markers tested and showed increased mRNA-expression of the activation marker FAP...
December 6, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27919174/outcome-of-pediatric-advanced-hodgkin-lymphoma-treated-with-abvd-and-predictors-of-inferior-survival-a-multicenter-study-of-186-patients
#16
Sainath Bhethanabhotla, Sandeep Jain, Gauri Kapoor, Amita Mahajan, Anita Chopra, Sreenivas Vishnubhatla, Sameer Bakhshi
Clinical stage alone is used for risk stratification in treatment of pediatric advanced Hodgkin lymphoma (HL). To identify other risk factors, we collected data from three tertiary centers on 186 patients with advanced stage (IIB-IV) consecutively treated with Adriamycin, bleomycin, vinblastine, Dacarbazine (ABVD) chemotherapy ± radiotherapy. Freedom from treatment failure (FFTF) and overall survival (OS) were end points. With median follow-up period of 57.9 months (range: 1-151 months), five-year FFTF and OS was 84...
December 6, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27918211/new-targeted-therapies-for-malignant-lymphoma-based-on-molecular-heterogeneity
#17
Heike Horn, Annette M Staiger, German Ott
Owing to tremendous advances in the understanding of mechanisms involved in the pathogenesis of malignant tumors an emerging field of novel targeted drugs has evolved within the last decade. This is of particular interest also for malignant lymphomas, constituting a heterogeneous tumor category with substantial variation in clinical outcome, ranging from indolent forms that do not require treatment over years to aggressive cases for which an immediate treatment is mandatory. The elucidation of different molecular strategies adopted by malignant cells has led to a profound profiling of tumor-specific features and consequently resulted in the development of new targeted therapies...
December 5, 2016: Expert Review of Hematology
https://www.readbyqxmd.com/read/27917702/effectiveness-of-pegaspargase-gemcitabine-and-oxaliplatin-p-gemox-chemotherapy-combined-with-radiotherapy-in-newly-diagnosed-stage-ie-to-iie-nasal-type-extranodal-natural-killer-t-cell-lymphoma
#18
Wen Wei, Ping Wu, Li Li, Zhi-Hui Zhang
PURPOSE: Extranodal natural killer/T-cell lymphoma (ENKTL), nasal-type, is a distinct subtype of non-Hodgkin lymphoma. ENKTL is sensitive to radiotherapy, but the prognosis is poorer than those of other types of early stage lymphoma. To date, optimal treatment strategies for patients with early stage ENKTL have not been fully defined. METHODS: We retrospectively investigated the efficacy and safety of pegaspargase, gemcitabine, and oxaliplatin (P-GEMOX) combined with different dose radiotherapy (RT) in the treatment of 35 newly diagnosed, stage IE to IIE ENKTL patients at our institution from October 2011 to September 2015...
December 5, 2016: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/27917682/the-preclinical-discovery-and-development-of-bortezomib-for-the-treatment-of-mantle-cell-lymphoma
#19
Richard Arkwright, Tri Minh Pham, Jeffrey A Zonder, Q Ping Dou
Introduction- Mantle cell lymphoma (MCL) is an incurable, often aggressive B-cell malignancy. Bortezomib (BTZ), the 20S proteasome inhibitor was originally developed and approved for treatment of relapsed refractory multiple myeloma, and subsequently approved for treatment of MCL. BTZ's single-agent activity induces clinical responses in approximately one-third of relapsed MCL patients. BTZ-containing combination therapies have further improved the quality and duration of clinical responses compared to standard chemotherapies in previously untreated MCL patients...
December 3, 2016: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/27917669/use-of-core-biopsy-in-diagnosing-cervical-lymphadenopathy-a-viable-alternative-to-surgical-excisional-biopsy-of-lymph-nodes
#20
D Allin, S David, A Jacob, N Mir, A Giles, N Gibbins
OBJECTIVES Lymphoma often presents with a neck mass and while fine-needle aspiration cytology may be suggestive, tissue biopsy is required for reliable diagnosis and classification of a lymphoma that is sufficient to deliver the correct treatment for the patient. Traditionally, excisional biopsy of a lymph node has been the standard method of tissue sampling, providing ample tissue for assessment. However, this requires theatre time, and preceding fine-needle aspiration cytology, which may incur a delay. With careful use of tissue, coupled with advances in immunohistochemical and molecular investigative techniques, core biopsy provides a possible alternative to traditional fine-needle aspiration and excisional biopsy...
December 5, 2016: Annals of the Royal College of Surgeons of England
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