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https://www.readbyqxmd.com/read/29455989/biocompatible-nanocomposite-of-carboxymethyl-cellulose-and-functionalized-carbon-norfloxacin-intercalated-layered-double-hydroxides
#1
N'guadi Blaise Allou, Archana Yadav, Mintu Pal, Rajib Lochan Goswamee
In recent years, the development of systems with progressive drug release properties, which is an effective technique for the use of drugs, has aroused great interest in the field of controlled release formulations. In this work, hybrid materials containing citric acid cross-linked carboxymethyl cellulose (CMC) and norfloxacin (NOR) intercalated layered double hydroxide (LDH) deposited over the surface of functionalized carbon (AC) were prepared. The synthesized CMC@AC-LDHNOR nanohybrids were characterized using different techniques and in vitro NOR release behaviors were investigated in phosphate buffer saline, pH 7...
April 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29444941/lactic-acid-downregulates-viral-microrna-to-promote-epstein-barr-virus-immortalized-b-lymphoblastic-cell-adhesion-and-growth
#2
Xiaohui Mo, Fang Wei, Yin Tong, Ling Ding, Qing Zhu, Shujuan Du, Fei Tan, Caixia Zhu, Yuyan Wang, Qian Yu, Yeqiang Liu, Erle S Robertson, Zhenghong Yuan, Qiliang Cai
High plasma lactate is associated with poor prognosis of many malignancies, but its role in virally mediated cancer progression and underlying molecular mechanisms are unclear. Epstein-Barr virus (EBV), the first human oncogenic virus, causes several cancers, including B cell lymphoma. Here, we report that lactate dehydrogenase (LDH-A) expression and lactate production are elevated in EBV-immortalized B lymphoblastic cells, and lactic acid (LA, acidic lactate) at low concentration triggers EBV-infected B cell adhesion, morphological changes, and proliferation in vitro and in vivo Moreover, LA-induced responses of EBV-infected B cells uniquely occurs in viral latency type III and it is dramatically associated with the inhibition of global viral microRNAs, particularly the miR-BHRF1 cluster, and the high expression of SMAD3 , JUN , and COL1A genes...
February 14, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29441909/the-effect-of-continuous-perfusion-of-esmolol-on-cardiovascular-risk-in-elderly-patients-undergoing-noncardiac-surgery
#3
X K Zhang, Q Hu, Q H Chen, W X Wang
We evaluated the effect of continuous perfusion of esmolol on cardiovascular risk during curative laparoscopic surgery for gastrointestinal cancer in elderly patients. Sixty patients with gastrointestinal cancer, aged from 60 to 80 years, were divided into an esmolol group (ES, n = 30) and a control group (NS, n = 30). ES patients were treated with esmolol at a dose of 0.3 mg/kg 3 min before tracheal intubation, and received continuous perfusion of esmolol at a dose of 50 μg/kg/min during operation. In NS, esmolol was replaced by saline...
August 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29430871/excitation-dependent-theranostic-nanosheet-for-cancer-treatment
#4
Shanyue Guan, Di Yang, Yangziwan Weng, Heng Lu, Xiangmin Meng, Xiaozhong Qu, Shuyun Zhou
In this work, a novel ruthenium complex loaded monolayer layered double hydroxide (LDH) (denoted as Ru(C-bpy)2 /mLDH) as supramolecular nanosensor is synthesized, which is greatly exclusive to the hypoxic tumor microenvironment. The Ru(C-bpy)2 /mLDH ultrathin sheet displays not only enhanced luminescence lifetime compared to the parent Ru(C-bpy)2 alone, but also improved oxygen responsibility under an excitation of 488 or 800 nm. Moreover, the Ru(C-bpy)2 /mLDH is possessed of two-photon fluorescence imaging ability under the 800 nm irradiation...
February 12, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29416099/generation-and-characterization-of-a-igg-monoclonal-antibody-specific-for-gm3-neugc-ganglioside-by-immunizing-%C3%AE-3gn-t5-knockout-mice
#5
Dongwei He, Xiaoyan Fan, Boyi Liu, Yiqing Tian, Xiangmei Zhang, Lin Kang, Yan Tai, Shuzhen Liu, Qian Wang, Qingxia Li, Jianhui Cai
A murine monoclonal antibody (MAb-1) specific for GM3 has been generated by immunizing β3Gn-T5 knockout mice with purified GM3 ganglioside. The binding specificity of MAb-1 (IgG3 subclass) was established by an enzyme-linked immunosorbent assay (ELISA) and FACS and the antibody showed high binding specificity with GM3. Cell viability assay showed that MAb-1 significantly suppressed cell growth. Immunohistochemistry analysis revealed that MAb-1 was strongly expressed in human ovarian cancer tissues, whereas it was hardly expressed in normal tissues...
February 7, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29413705/new-cationic-and-neutral-copper-ii-complexes-containing-7-hydroxy-4-oxo-4-h-chromene-derived-ono-pincer-ligands-synthesis-characterization-and-in-vitro-biological-evaluations
#6
G Kalaiarasi, S Rex Jeya Rajkumar, S Dharani, Nigam P Rath, R Prabhakaran
New Schiff base ligands are prepared by the condensation of 7-hydroxy-3-formylchromone with semicarbazone and phenyl semicarbazone. The complexation of these ligands with Cu(II) ion is proposed in the light of spectral studies (IR, UV-Vis, 1H NMR, 13C NMR, Mass and ESR). In the complexes 1 and 2, the ligands coordinate to the Cu(II) ion in a neutral fashion via ONO donor atoms. The single crystal XRD studies reveal a slightly distorted square-pyramidal geometry for cationic complex (1) and an octahedral geometry for neutral complex (2)...
January 31, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29413509/evaluation-of-the-clinical-characteristics-of-everolimus-induced-lung-injury-and-determination-of-associated-risk-factors
#7
Mitsuhiro Abe, Kenji Tsushima, Jun Ikari, Naoko Kawata, Jiro Terada, Nobuhiro Tanabe, Koichiro Tatsumi
BACKGROUND: Everolimus (ERL), a mammalian target of rapamycin (mTOR) inhibitor, has been used for the management of several advanced cancers. ERL frequently causes lung injury, although the clinical and radiographic features have not been clarified. The aim of this study was to assess the clinical features of ERL-induced lung injury and determine the associated risk factors. METHODS: This single-center, retrospective study included 45 patients (29 men, 16 women; age, 12-78 years) who had received ERL at our hospital between August 2010 and March 2016...
January 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29400636/buformin-suppresses-proliferation-and-invasion-via-ampk-s6-pathway-in-cervical-cancer-and-synergizes-with-paclitaxel
#8
Jing Li, Ling Chen, Qiuli Liu, Mei Tang, Yuan Wang, Jinjin Yu
Buformin is an old anti-diabetic agent and manifests potent anti-tumor activities in several malignancies. In the present study, we aimed to explore the functions of buformin in human cervical cancer. As our data shown, buformin exhibited significant anti-proliferative effects in a dose-dependent manner in 4 cervical cancer cell lines. Compared to the control, buformin notably suppressed colony formation and increased ROS production in C33A, Hcc94 and SiHa cells. Flow cytometric analysis showed that buformin induced marked cell cycle arrest but only resulted in mild apoptosis...
February 5, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29391910/prognostic-value-of-pre-and-post-treatment-fdg-pet-ct-parameters-in-small-cell-lung-cancer-patients
#9
Hyoungwoo Kim, Ie Ryung Yoo, Sun Ha Boo, Hye Lim Park, Joo Hyun O, Sung Hoon Kim
Purpose: To evaluate the prognostic value of PET parameters obtained from pre- and post-treatment FDG PET/CT examinations in patients with SCLC. Methods: Fifty-nine patients with initially diagnosed SCLC from 2009 to 2014 were included and had chemotherapy and/or concurrent chemoradiotherapy. FDG PET/CT examinations were performed before (PET1) and after (PET2) treatment to evaluate treatment response. A region of interest was placed over the primary lesion and metastatic lymph nodes within the thoracic cavity...
February 2018: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29388862/hla-g-gene-polymorphism-in-egyptian-patients-with-non-hodgkin-lymphoma-and-its-clinical-outcome
#10
Gehan Abd-Elfatah Tawfeek, Suzan Alhassanin
BACKGROUND: Non-Hodgkin lymphoma (NHL) is a major cancer in Egypt and worldwide and has many risk factors including genes involved in the immune response. AIM: we investigated the HLA-G 14bp gene polymorphism as a risk factor for NHL and its clinic pathologic features. The study involved 150 patients with NHL and 100 healthy control. Full histories, clinical examination, C.T scan and laboratory investigations such as CBC, LDH, ?2microglobulin and HCV RNA by qualitative real time PCR were performed for all subjects...
February 1, 2018: Immunological Investigations
https://www.readbyqxmd.com/read/29383484/2-deoxy-d-glucose-enhances-trail-induced-apoptosis-in-human-gastric-cancer-cells-through-downregulating-jnk-mediated-cytoprotective-autophagy
#11
Yuting Xu, Qingling Wang, Lin Zhang, Maojin Zheng
PURPOSE: TNF-related apoptosis-inducing ligand (TRAIL) resistance significantly limits its use in clinical practice. It has been reported that 2-deoxy-D-glucose (2-DG) can enhance TRAIL's cytotoxicity. Our studies were designed to investigate the mechanisms of 2-DG reversing TRAIL resistance therapy in gastric cancer cells. METHODS: Gastric cancer cells (MGC803, SGC7901) were treated with 2-DG and TRAIL. Cell viability was determined by CCK-8 assay and detection of apoptosis by flow cytometry...
January 31, 2018: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29381456/a-prognostic-model-for-stratifying-clinical-outcomes-in-chemotherapy-naive-metastatic-castration-resistant-prostate-cancer-patients-treated-with-abiraterone-acetate
#12
D J Khalaf, C M Avilés, A A Azad, K Sunderland, T Todenhöfer, B J Eigl, D Finch, L Le, A Atwell, B Keith, C Kollmannsberger, K N Chi
INTRODUCTION: Recently, a prognostic index including six risk factors (RFs) (unfavourable ECOG performance status [PS], presence of liver metastases, short response to luteinizing hormone-releasing hormone [LHRH] agonists/antagonists, low albumin, increased alkaline phosphatase [ALP] and lactate dehydrogenase [LDH]) was developed from the COU-AA-301 trial in post-chemotherapy metastatic castration-resistant prostate cancer (mCRPC) patients treated with abiraterone acetate. Our primary objective was to evaluate this model in a cohort of chemotherapy-naive mCRPC patients receiving abiraterone...
December 1, 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29377281/er-stress-mediated-regulation-of-mir23a-confer-hela-cells-better-adaptability-to-utilize-glycolytic-pathway
#13
P Aswini, R Grace Raji, K Haritha, E Lincy, V B Sameer Kumar
Cancer cells exhibit increased dependency on aerobic glycolysis, a phenomenon referred as the 'Warburg effect' and therefore, blocking glycolysis by using non-metabolizable analogues of glucose, like 2-Deoxy glucose (2-DG), has been proposed to be of huge therapeutic importance. One of the major drawbacks of using 2-DG as a chemotherapeutic agent is that it can induce ER stress. ER stress is a hall mark in many solid tumors and the unfolded protein response (UPR) associated with it initiates many survival mechanisms in cancer cells...
January 29, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29374195/restrained-management-of-copper-level-enhances-the-antineoplastic-activity-of-imatinib-in-vitro-and-in-vivo
#14
Iftekhar Hassan, Azmat Ali Khan, Shazia Aman, Wajhul Qamar, Hossam Ebaid, Jameel Al-Tamimi, Ibrahim M Alhazza, Ahmed M Rady
The present study was designed to investigate if elevated copper level can be targeted to enhance the efficacy of a significant anticancer drug, imatinib (ITB). The antineoplastic activity of this drug was assessed in the HepG2, HEK-293, MCF-7 and MDA-MD-231 cells targeting elevated copper level as their common drug target. The cell lines were treated with the different doses of copper chloride (Cu II) and disulfiram (DSF) alone as well as in their combinations with the drug for 24 h in standard culture medium and conditions...
January 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29372035/the-toxicity-study-of-synthesized-inverse-carnosine-peptide-analogues-on-hepg2-and-ht-29-cells
#15
Mohammad Hassan Houshdar Tehrani, Abdolhamid Bamoniri, Mohammadreza Gholibeikian
Objective: Cancer has risen as the main cause of diseases with the highest rate of mortality in the world. Drugs used in cancer, usually demonstrate side effects on normal tissues. On the other hand, anticancer small peptides, effective on target tissues, should be safe on healthy organs, as being naturally originated compounds. In addition, they may have good pharmacokinetic properties. carnosine, a natural dipeptide, has shown many biological functions, including anti-oxidant, anti-senescence, anti-inflammatory and anticancer activities...
January 2018: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29351194/involvement-of-bax-and-bcl-2-in-induction-of-apoptosis-by-essential-oils-of-three-lebanese-salvia-species-in-human-prostate-cancer-cells
#16
Alessandra Russo, Venera Cardile, Adriana C E Graziano, Rosanna Avola, Maurizio Bruno, Daniela Rigano
Prostate cancer is one of the most common forms of cancer in men, and research to find more effective and less toxic drugs has become necessary. In the frame of our ongoing program on traditionally used Salvia species from the Mediterranean Area, here we report the biological activities of Salvia aurea, S. judaica and S. viscosa essential oils against human prostate cancer cells (DU-145). The cell viability was measured by 3(4,5-dimethyl-thiazol-2-yl)2,5-diphenyl-tetrazolium bromide (MTT) test and lactate dehydrogenase (LDH) release was used to quantify necrosis cell death...
January 19, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29344640/over-regulation-of-microrna-133b-inhibits-cell-proliferation-of-cisplatin-induced-non-small-cell-lung-cancer-cells-through-pi3k-akt-and-jak2-stat3-signaling-pathway-by-targeting-egfr
#17
Bin Li, Cui-Min Ding, Yan-Xiao Li, Jing-Cui Peng, Nan Geng, Wen-Wen Qin
The present study determined the anticancer activity and its mechanism of microRNA‑133b on cell proliferation of cisplatin-induced non-small cell lung cancer cells. The expression of microRNA-133b cisplatin‑induced non-small cell lung cancer (NSCLC) tissue was lower than that of para-carcinoma tissue in patients. Overall survival of higher expression in cisplatin-induced NSCLC patients was higher than that of lower expression in cisplatin‑induced NSCLC patients. Over-regulation of microRNA-133b inhibited cell proliferation and LDH activity, induced apoptosis and caspase-3 activity, suppressed the protein expression of EGFR, PI3K, p-Akt, p-JAK2 and p-STAT3, decreased cyclin D1 and increased Bax protein expression in cisplatin‑induced A549 cells...
January 15, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29333404/relevance-of-prognostic-index-with-%C3%AE-2-microglobulin-for-patients-with-diffuse-large-b-cell-lymphoma-in-the-rituximab-era
#18
Jihoon Kang, Shinkyo Yoon, Cheolwon Suh
Background: The International Prognostic Index (IPI) has been a useful tool for predicting the prognosis of aggressive non-Hodgkin lymphoma in the last 20 years. Herein, we aimed to develop a new prognostic model for diffuse large B-cell lymphoma (DLBCL) in the rituximab era. Methods: Between March 2004 and June 2012, patients with DLBCL treated with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisolone chemotherapy regimen were identified in the database of the Asan Medical Center (AMC) Lymphoma Registry...
December 2017: Blood Research
https://www.readbyqxmd.com/read/29330929/adipocytes-affect-castration-resistant-prostate-cancer-cells-to-develop-the-resistance-to-cytotoxic-action-of-nk-cells-with-alterations-of-pd-l1-nkg2d-ligand-levels-in-tumor-cells
#19
Lijun Xu, Mingjing Shen, Xiaodong Chen, Rongying Zhu, Dong-Rong Yang, Ying Tsai, Peter C Keng, Yuhchyau Chen, Soo Ok Lee
BACKGROUND: Obesity affects prostate cancer (PCa) progression, and the periprostatic adipose tissue adjacent to the prostate is considered a driving force of disease progression. Adipocytes are the main cell population in adipose tissues and their paracrine role contributes to PCa progression, however its implication in modulating immune reactions remains largely unknown. We investigated the adipocyte role in controlling the susceptibility of castration-resistant PCa (CRPC) cells to the cytotoxic action of natural killer (NK) cells...
January 12, 2018: Prostate
https://www.readbyqxmd.com/read/29329518/the-use-of-eculizumab-in-gemcitabine-induced-thrombotic-microangiopathy
#20
Vinod Krishnappa, Mohit Gupta, Haikoo Shah, Abhijit Das, Natthavat Tanphaichitr, Robert Novak, Rupesh Raina
BACKGROUND: Thrombotic microangiopathy (TMA) secondary to gemcitabine therapy (GiTMA) is a very rare pathology that carries a poor prognosis, with nearly half of the cases progressing to end stage renal disease. GiTMA is most commonly associated with adenocarcinomas, most notably pancreatic cancers. The mainstay of management is withdrawal of the offending drug and supportive care. Plasmapheresis has a limited role and hemodialysis may help in the management of fluid overload secondary to renal failure...
January 12, 2018: BMC Nephrology
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