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https://www.readbyqxmd.com/read/29650841/-a-case-of-advanced-esophageal-cancer-successfully-treated-with-multidisciplinary-therapy
#1
Junji Kawada, Masaya Nishino, Tomoki Hata, Takayuki Ogino, Masateru Okawa, Hiromitsu Hoshino, Miho Okano, Kenichi Nagai, Naruyasu Kakita, Yongkook Kim, Masaki Okuyama, Toshimasa Tsujinaka
We report a case of advanced esophageal cancer that was successfully treated using chemotherapy, operation, and chemoradiotherapy. A 66-year-old man with advanced esophageal cancer(Mt, O-Is, T4[N0.7-stomach], N2, M0, Stage III)was administered chemotherapy(docetaxel[DOC], cisplatin[CDDP], and 5-fluorouracil[5-FU]: DCF). As the esophageal tumor achieved complete clinical response after 2 courses of chemotherapy, lymph node dissection and proximal gastrectomy were performed for the residual tumor. Abdominal CT 3 months after surgery revealed lymph node swelling...
April 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29626563/combined-effect-of-benzophenone-2-and-ultraviolet-radiation-promote-photogenotoxicity-and-photocytotoxicity-in-human-keratinocytes
#2
Saroj Kumar Amar, Shruti Goyal, Ajeet K Srivastav, Deepti Chopra, Ratan Singh Ray
Benzophenone-2 (BP2), a common ingredient of sunscreens formulation is widely used as UV filter. We have assessed the photogenotoxic and photocytotoxic potential of BP2. Photostability test showed that BP2 is unstable under UV exposure. Cell proliferation assay revealed that viability of HaCaT cells significantly reduced under UVA, UVB and sunlight exposure. DCF fluorescence intensity proved intracellular ROS generation capacity of BP2 under sunlight, UVA and UVB irradiation. Photodynamic degradation of guanine base of DNA is promoted by BP2 under UV treatment...
April 4, 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29624485/microbial-glucuronidase-inhibition-reduces-severity-of-diclofenac-induced-anastomotic-leak-in-rats
#3
Simon T K Yauw, Melissa Arron, Roger M L M Lomme, Petra van den Broek, Rick Greupink, Aadra P Bhatt, Matthew R Redinbo, Harry van Goor
BACKGROUND: The non-steroidal anti-inflammatory drug diclofenac has been associated with intestinal anastomotic leakage, although the underlying pathophysiology is unclear. Previous data suggest that reactivation of biliary diclofenac metabolites by microbial β-glucuronidases in the gut plays a role in harming the intestinal mucosa, and that microbiome-targeted glucuronidase inhibition prevents this damage. Here, the microbial glucuronidase inhibitor Inh1 was examined for its ability to reduce diclofenac-induced anastomotic leakage in rats...
April 6, 2018: Surgical Infections
https://www.readbyqxmd.com/read/29618196/the-course-of-intracranial-pressure-after-antipyretic-therapy-in-acute-brain-injury
#4
Edoardo Picetti, Patrizia Ceccarelli, Laura Malchiodi, Francesca Mensi, Solange Risolo, Franco Servadei, Corrado Iaccarino, Ilaria Rossi, Sandra Rossi
BACKGROUND: The present study was performed to evaluate intracranial pressure (ICP) variations after antipyretic therapy and their relationship to ICP at baseline (ICPbas) in acute brain injury (ABI) patients. METHODS: We completed a retrospective analysis on data derived from 2 previously published prospective observational studies. The first study involved 32 ABI patients and was performed to elucidate the cerebral and hemodynamic effects of intravenous (IV) paracetamol...
April 4, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29607302/predisposing-factors-for-chemotherapy-induced-nephrotoxicity-in-patients-with-advanced-esophageal-cancer-who-received-combination-chemotherapy-with-docetaxel-cisplatin-and-5-fluorouracil
#5
Junichi Mohri, Chikatoshi Katada, Marie Ueda, Mitsuhiro Sugawara, Keishi Yamashita, Hiromitsu Moriya, Shouko Komori, Kazushige Hayakawa, Wasaburo Koizumi, Koichiro Atsuda
Background and Objectives: We retrospectively studied the predisposing factors for nephrotoxicity in the patients with advanced esophageal squamous-cell carcinoma who received combination chemotherapy with docetaxel, cisplatin, and 5-fluorouracil (DCF therapy). Methods: Between January 2010 and March 2014, 41 patients with Stage IB to III esophageal squamous-cell carcinoma received the DCF therapy (docetaxel 70-75 mg/m2 , day 1; cisplatin 70-75 mg/m2 , day 1; 5-fluorouracil 750 mg/m2 , days 1-5) in our hospital...
March 2018: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/29600225/comparison-of-health-related-quality-of-life-with-epirubicin-cisplatin-plus-5-fluorouracil-and-docetaxel-cisplatin-plus-5-fluorouracil-chemotherapy-regimens-as-first-line-systemic-therapy-in-locally-advanced-inoperable-or-metastatic-gastric-or-gastro-esophageal
#6
K Govind Babu, Tamojit Chaudhuri, K C Lakshmaiah, Lokanatha Dasappa, Linu Abraham Jacob, M C Suresh Babu, A H Rudresha, K N Lokesh, L K Rajeev
Background: Health-related quality of life (HRQOL) is an important oncologic end point for upper gastrointestinal malignancies. Unfortunately, till date, there is no published prospective data from India, comparing the HRQOL parameters between first-line chemotherapy regimens in advanced/metastatic gastric cancer. Materials and Methods: The present study aimed to compare the HRQOL of first-line systemic chemotherapy with epirubicin, cisplatin plus 5-FU (ECF) and docetaxel, cisplatin plus 5-FU (DCF) regimens in patients with locally advanced inoperable or metastatic gastric or gastro-esophageal junction adenocarcinoma...
January 2018: South Asian Journal of Cancer
https://www.readbyqxmd.com/read/29568190/the-protective-effect-of-different-extracts-of-three-artemisia-species-against-h-2-o-2-induced-oxidative-stress-and-apoptosis-in-pc12-neuronal-cells
#7
Leila Hosseinzadeh, Alireza Malekshahi, Farahnaz Ahmadi, Seyed Ahmad Emami, Marziyeh Hajialyani, Mahdi Mojarrab
Background: Oxidative stress causes cell damage and is involved in many neurological diseases. The antioxidant properties of plant materials for the maintenance of health and protecting against different diseases stimulated scientist to investigate different herbs. Different Artemisia species have exhibited antioxidant activity. This study aims to investigate whether different Artemisia species could protect the PC12 cells against oxidative stress mediated by H2 O2 . Methods: For this purpose, different extracts of three Artemisia species ( Artemisia aucheri , Artemisia turanica , and Artemisia turcomanica ) were prepared using petroleum ether, dichloromethane, ethyl acetate, ethanol, and Water: Ethanol mixture (1:1 volume ratio)...
January 2018: Pharmacognosy Research
https://www.readbyqxmd.com/read/29555410/viscum-articulatum-burm-f-aqueous-extract-exerts-antiproliferative-effect-and-induces-cell-cycle-arrest-and-apoptosis-in-leukemia-cells
#8
Ruchi Mishra, Saurabh Sharma, Radhey Shyam Sharma, Savita Singh, Milind Madhav Sardesai, Sadhna Sharma, Vandana Mishra
ETHNOPHARMACOLOGICAL RELEVANCE: Viscum articulatum Burm. f. (leafless mistletoe) has been used in traditional system of medicines in India, China, Taiwan, Cambodia, Laos, and Vietnam, to treat blood-related diseases and various inflammatory and degenerative diseases including cancer. Anticancer activities of some phytomolecules purified from Viscum articulatum Burm. f. have been tested. However scientific evidence for the anticancerous potential of aqueous extract of V. articularum (VAQE) used in traditional medicine is lacking...
March 16, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29540372/atrial-infarction-induced-spontaneous-focal-discharges-and-atrial-fibrillation-in-sheep-role-of-dantrolene-sensitive-aberrant-ryanodine-receptor-calcium-release
#9
Uma Mahesh R Avula, Jonathan J Hernandez, Masatoshi Yamazaki, Carmen R Valdivia, Antony Chu, Alvaro Rojas-Pena, Kuljeet Kaur, Roberto Ramos-Mondragón, Justus M Anumonwo, Stanley Nattel, Héctor H Valdivia, Jérôme Kalifa
BACKGROUND: The mechanisms underlying spontaneous atrial fibrillation (AF) associated with atrial ischemia/infarction are incompletely elucidated. Here, we investigate the mechanisms underlying spontaneous AF in an ovine model of left atrial myocardial infarction (LAMI). METHODS AND RESULTS: LAMI was created by ligating the atrial branch of the left anterior descending coronary artery. ECG loop recorders were implanted to monitor AF episodes. In 7 sheep, dantrolene-a ryanodine receptor blocker-was administered in vivo during the 8-day observation period (LAMI-D, 2...
March 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29527647/sorption-of-selected-pharmaceuticals-by-a-river-sediment-role-and-mechanisms-of-sediment-or-aldrich-humic-substances
#10
Thibaut Le Guet, Ilham Hsini, Jérôme Labanowski, Leslie Mondamert
Sorption of pharmaceuticals onto sediments is frequently related to organic matter content. Thus, the present work aimed to compare the effect of humic substances (HS) extracted from a river sediment versus Aldrich (HS) on the sorption of selected pharmaceuticals onto this river sediment. The results exhibited no "unique" effect of the presence of HS from the same origin. Thus, the sediment HS increased the sorption of sulfamethoxazole (SMX), diclofenac (DCF), and trimethoprim (TMP), but reduced the sorption of atenolol (ATN)...
March 11, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29510292/thymoquinone-induces-apoptosis-in-b16-f10-melanoma-cell-through-inhibition-of-p-stat3-and-inhibits-tumor-growth-in-a-murine-intracerebral-melanoma-model
#11
Mustafa Aziz Hatiboglu, Abdurrahim Kocyigit, Eray Metin Guler, Kerime Akdur, Arife Nalli, Ersin Karatas, Saffet Tuzgen
BACKGROUND: Prognosis of patients with melanoma brain metastasis is poor despite various chemotherapeutic agents. Researchers focus on finding effective treatment with low risk of toxicity. Thymoquinone (TQ) has been found to be effective on different types of cancer. However, no data exists on the effect of TQ in intracerebral melanoma. The purpose of this study was to assess the effect of TQ in B16-F10 melanoma cell in vitro and intracerebral melanoma in vivo. METHODS: The mechanisms of efficacy were investigated by ATP assay for cytotoxicity, flow cytometry and Acridine-orange staining for apoptosis, Comet assay for genotoxicity, CM-H2 DCF-DA (2,7-dichlorodihydrofluorescein) for intracellular reactive oxygen species (ROS) generation and ELISA methods for inflammatory cytokines...
March 3, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29501173/peroxidase-like-activity-of-2-7-difluorofluorescein-and-its-application-for-galactose-detection
#12
Menglu Li, Juan Yang, Yining Ou, Ying Shi, Li Liu, Chaoqun Sun, Huzhi Zheng, Yijuan Long
The peroxidase-like activity of 2',7'-difluorofluorescein (DFF), was investigated using 3,3',5,5'-tetramethylbenzidine (TMB) as a chromogenic substrate in the presence of H2 O2 . DFF could catalyze oxidization of TMB by H2 O2 to produce a blue colored oxidation product. Effect of various reaction conditions, such as pH, temperature, H2 O2 concentration and reaction time on the catalytic activity of DFF was studied. The peroxidase-like activity of DFF was found to follow Michaelis-Menten kinetics, and its catalysis accorded with ping-pong mechanism...
May 15, 2018: Talanta
https://www.readbyqxmd.com/read/29486473/shenfu-preparation-protects-aml12-cells-against-palmitic-acid-induced-injury-through-inhibition-of-both-jnk-nox4-and-jnk-nf%C3%AE%C2%BAb-pathways
#13
Jia-Fu Ji, Wan-Zhen Jiao, Yan Cheng, Hua Yan, Fan Su, Li-Li Chi
BACKGROUND/AIMS: Nonalcoholic steatohepatitis includes steatosis along with liver inflammation, hepatocyte injury and fibrosis. In this study, we investigated the protective role and the potential mechanisms of a traditional Chinese medicine ShenFu (SF) preparation in an in vitro hepatic steatosis model. METHODS: In palmitic acid (PA)-induced murine hepatic AML12 cell injury, effects of SF preparation on cellular apoptosis and intracellular triglyceride (iTG) level were assessed using TUNEL and TG Colorimetric Assay...
February 21, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29482095/pharmaceutical-grey-water-footprint-accounting-influence-of-wastewater-treatment-plants-and-implications-of-the-reuse
#14
Isabel Martínez-Alcalá, Francisco Pellicer-Martínez, Carmen Fernández-López
Emerging pollutants, including pharmaceutical compounds, are producing water pollution problems around the world. Some pharmaceutical pollutants, which mainly reach ecosystems within wastewater discharges, are persistent in the water cycle and can also reach the food chain. This work addresses this issue, accounting the grey component of the water footprint (GWFP ) for four of the most common pharmaceutical compounds (carbamazepine (CBZ), diclofenac (DCF), ketoprofen (KTP) and naproxen (NPX)). In addition, the GWFC for the main conventional pollutants is also accounted (nitrate, phosphates and organic matter)...
February 15, 2018: Water Research
https://www.readbyqxmd.com/read/29478084/enhanced-laccase-mediated-transformation-of-diclofenac-and-flufenamic-acid-in-the-presence-of-bisphenol-a-and-testing-of-an-enzymatic-membrane-reactor
#15
Veronika Hahn, Mareike Meister, Stephan Hussy, Arno Cordes, Günther Enderle, Akuma Saningong, Frieder Schauer
The inadequate removal of pharmaceuticals and other micropollutants in municipal wastewater treatment plants, as evidenced by their detection of these substances in the aquatic environment has led to the need for sustainable remediation strategies. Laccases possess a number of advantages including a broad substrate spectrum. To identify promoting or inhibitory effects of reaction partners in the remediation processes we tested not only single compounds-as has been described in most studies-but also mixtures of pollutants...
February 24, 2018: AMB Express
https://www.readbyqxmd.com/read/29475069/in-vitro-model-to-study-cocaine-and-its-contaminants
#16
Aline Steinmetz, Luiza Steffens, Ana Moira Morás, Flávia Prezzi, Elizandra Braganhol, Jenifer Saffi, Rafael Scorsatto Ortiz, Helena M T Barros, Dinara Jaqueline Moura
Cocaine is one of the most popular illicit drug worldwide. Due its great addictive potential, which leads to euphoria and hyperactivity, it is considered a public health concern. At the central nervous system, the drug acts inhibiting catecholamine re-uptake. It is now known that in addition to the toxicity of the drug itself, the contaminants present in the street drug have raised concern about the harmful effects on health. Toxicological in vivo and in vitro studies have demonstrated the toxic effects of cocaine correlated with the generation of reactive oxygen species (ROS), which in turn lead to oxidative damage to the cells...
February 20, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29469894/radiometric-model-for-coaxial-single-and-multimode-optical-emission-from-double-clad-fiber
#17
Kathy Beaudette, Mathias Strupler, Jian Ren, Brett E Bouma, Caroline Boudoux
Double-clad fibers (DCFs) are versatile waveguides supporting a single-mode core surrounded by a multimode inner cladding. DCFs are increasingly used for multimodal biomedical applications, such as imaging or therapy, for which the core is typically used for coherent illumination and the inner cladding, to support a concurrent modality. Proper optimization is, however, critical to ensure high optical performance and requires accurate modeling of coaxial single- and multimode output beams. In this paper, we present an approach based on geometrical optics and radiometry, which provides a simple and efficient modeling tool for designing and optimizing DCF-based systems...
February 10, 2018: Applied Optics
https://www.readbyqxmd.com/read/29436019/melatonin-attenuates-homocysteine-induced-injury-in-human-umbilical-vein-endothelial-cells
#18
Azadeh Aminzadeh, Saeed Mehrzadi
Homocysteine (Hcy) is a major risk factor for vascular disease and is closely associated with endothelial dysfunction. Melatonin is a neurohormone that is mostly produced by the pineal gland. Studies have reported that melatonin exhibits neuroprotective effects in several neurodegenerative disorders. The aim of the current study was to investigate the possible protective effect of melatonin against Hcy-induced endothelial cell apoptosis in human umbilical vein endothelial cells (HUVECs) and to explore the underlying mechanisms...
February 13, 2018: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/29433671/phytochemical-induced-reactive-oxygen-species-and-endoplasmic-reticulum-stress-mediated-apoptosis-and-differentiation-in-malignant-melanoma-cells
#19
Jae-Rim Heo, Geum-A Lee, Gyu-Sik Kim, Kyung-A Hwang, Kyung-Chul Choi
BACKGROUND: Phytochemicals are derived from plants, vegetables and daily products and exert chemopreventive effects. Malignant melanoma is highly metastatic, and melanoma patients can develop chemotherapeutic resistance against conventional melanoma therapies. METHODS: In the present study, we investigated the anti-cancer effect of the phytochemicals kaempferol (Kaem), genistein (Gen), and 3'3-diindolylmethane (DIM) on melanoma cell viability. We also evaluated the altered expression of cell cycle-related genes...
January 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29427708/tribromophenol-affects-the-metabolism-proliferation-migration-and-multidrug-resistance-transporters-activity-of-murine-melanoma-cells-b16f1
#20
Yvanna Carla S de Salgado, Marianna Boia Ferreira, Jessica Zablocki da Luz, Francisco Filipak Neto, Ciro Alberto de Oliveira Ribeiro
Murine melanoma cells B16F1 were exposed to the flame retardant and wood preservative chemical 2,4,6-tribromophenol (TBP) during 24 and 48 h, at the concentrations found in human diet. TBP-exposed cells had increased MTT and Alamar blue® metabolism and ABCB5 mRNA levels (qPCR), but the cells had decreased proliferation (crystal violet assay), migration (scratch assay), and drug-effux transporters activity (rhodamine B efflux assay). Exposure to TBP did not affect the cell viability (neutral red and annexin V-PI assays), colony formation (colony number, clonogenic assay), and the levels of reactive oxygen species (DCF probe) or P53 mRNA (qPCR)...
February 7, 2018: Toxicology in Vitro: An International Journal Published in Association with BIBRA
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