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https://www.readbyqxmd.com/read/28075527/recent-development-of-the-second-and-third-generation-irreversible-egfr-inhibitors
#1
REVIEW
Weiwei Han, Yongli Du
Recent reports suggested that essential directions for new lung cancer, breast carcinoma therapies, as well as the roomier realm of targeted cancer therapies were provided through targeting the epidermal growth factor receptor (EGFR). Patients who carrying non-small cell lung carcinoma (NSCLC) with activating mutations in EGFR initially respond well to the EGFR inhibitors erlotinib and gefitinib, which were located the active site of the EGFR kinase and designed to act as competitive inhibitors of combining with the ATP...
January 11, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28075032/-microbiological-findings-and-antibacterial-therapy-in-stevens-johnson-syndrome-toxic-epidermal-necrolysis-patients-from-a-swedish-burn-center
#2
Ilaria Tocco-Tussardi, Fredrik Huss, Benjamin Presman
BACKGROUND: Superimposed infections/sepsis are the major cause of morbidity/mortality in Stevens-Johnson syndrome/Toxic Epidermal Necrolysis (SJS/TEN). It is a delicate balance between avoiding new pharmaceuticals and prophylactically treat an incipient infection. The objective of this study was to investigate the rates and types of infection-microbials and antibiotics involved in SJS/TEN patients. METHODS: Microbiology and clinical data were collected for SJS/TEN patients admitted to our Burn Centre from January 2010 through January 2016...
January 11, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28074952/upregulation-of-caveolin-1-by-mulberry-leaf-extract-and-its-major-components-chlorogenic-acid-derivatives-attenuates-alcoholic-steatohepatitis-via-inhibition-of-oxidative-stress
#3
Yi-Ju Lee, Jeng-Dong Hsu, Wea-Lung Lin, Shao-Hsuan Kao, Chau-Jong Wang
Excessive alcohol uptake exerts hepatocellular toxicity, ultimately leading to multiple liver diseases such as steatohepatitis and liver cirrhosis. Here, we aimed to explore the effects of mulberry leaf extract (MLE) and its major components chlorogenic acid (CGA) and neochlorogenic acid (nCGA) on alcoholic steatohepatitis. We determined the composition of MLE using liquid chromatography-mass spectrometric (LC-MS) analysis, which showed that MLE consisted of mainly chlorogenic acid derivatives and other polyphenols...
January 11, 2017: Food & Function
https://www.readbyqxmd.com/read/28072947/what-s-beneath-the-surface-stevens-johnson-syndrome-toxic-epidermal-necrolysis-combined-with-haemophagocytic-lymphohistiocytosis-a-case-report
#4
U M Nic Ionmhain, B R Knezevic, A Barraclough, M Lucas, M Anstey
No abstract text is available yet for this article.
January 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28070753/dodecyl-amino-glucoside-enhances-transdermal-and-topical-drug-delivery-via-reversible-interaction-with-skin-barrier-lipids
#5
Monika Kopečná, Miloslav Macháček, Eva Prchalová, Petr Štěpánek, Pavel Drašar, Martin Kotora, Kateřina Vávrová
PURPOSE: Skin permeation/penetration enhancers are substances that enable drug delivery through or into the skin. METHODS: To search for new enhancers with high but reversible activity and acceptable toxicity, we synthesized a series of D-glucose derivatives, both hydrophilic and amphiphilic. RESULTS: Initial evaluation of the ability of these sugar derivatives to increase permeation and penetration of theophylline through/into human skin compared with a control (no enhancer) or sorbitan monolaurate (Span 20; positive control) revealed dodecyl 6-amino-6-deoxy-α-D-glucopyranoside 5 as a promising enhancer...
January 9, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28069552/longitudinal-monitoring-of-skin-accumulation-of-nanocarriers-and-biologicals-with-fiber-optic-near-infrared-fluorescence-spectroscopy-fonirs
#6
James I Griffin, Michael J Benchimol, Dmitri Simberg
Systemically injected drug delivery systems distribute into various organs and tissues, including liver, spleen and kidneys. Recent reports pointed out a significant accumulation of systemically injected nanoparticles in the skin. Skin constitutes the largest organ in the body with important immune functions, and accumulation of drug delivery systems could have significant implications for skin toxicity in living subjects. Fiber optic-based near-infrared spectroscopy (FONIRS) setup was developed and tested for measuring of NIR (760nm excitation) emission spectra in the skin...
January 6, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28065855/tyrosine-kinase-phosphatase-inhibitors-decrease-dengue-virus-production-in-hepg2-cells
#7
Thawornchai Limjindaporn, Jutatip Panaampon, Shilu Malakar, Sansanee Noisakran, Pathai Yenchitsomanus
Dengue virus is the causative agent of dengue fever, dengue hemorrhagic fever, and dengue shock syndrome. High rates of dengue virus replication and virion production are related to disease severity. To identify anti-DENV compounds, we performed cell-based ELISA testing to detect the level of DENV E protein expression. Among a total of 83 inhibitors, eight were identified as inhibitors with antiviral activity. Epidermal growth factor receptor inhibitor II (EGFR/ErbB-2/ErbB-4 inhibitor II) and protein tyrosine phosphatase inhibitor IV (PTP inhibitor IV) significantly inhibited dengue virus production and demonstrated low toxicity in hepatocyte cell lines...
January 5, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28063980/plant-viral-nanoparticles-based-her2-vaccine-immune-response-influenced-by-differential-transport-localization-and-cellular-interactions-of-particulate-carriers
#8
Sourabh Shukla, Jay T Myers, Sarah E Woods, Xingjian Gong, Anna E Czapar, Ulrich Commandeur, Alex Y Huang, Alan D Levine, Nicole F Steinmetz
Cancer vaccines are designed to elicit an endogenous adaptive immune response that can successfully recognize and eliminate residual or recurring tumors. Such approaches can potentially overcome shortcomings of passive immunotherapies by generating long-lived therapeutic effects and immune memory while limiting systemic toxicities. A critical determinant of vaccine efficacy is efficient transport and delivery of tumor-associated antigens to professional antigen presenting cells (APCs). Plant viral nanoparticles (VNPs) with natural tropism for APCs and a high payload carrying capacity may be particularly effective vaccine carriers...
December 27, 2016: Biomaterials
https://www.readbyqxmd.com/read/28062682/genome-wide-association-study-of-nevirapine-hypersensitivity-in-a-sub-saharan-african-hiv-infected-population
#9
Daniel F Carr, Stephane Bourgeois, Mas Chaponda, Louise Y Takeshita, Andrew P Morris, Elena M Cornejo Castro, Ana Alfirevic, Andrew R Jones, Daniel J Rigden, Sam Haldenby, Saye Khoo, David G Lalloo, Robert S Heyderman, Collet Dandara, Elizabeth Kampira, Joep J van Oosterhout, Francis Ssali, Paula Munderi, Giuseppe Novelli, Paola Borgiani, Matthew R Nelson, Arthur Holden, Panos Deloukas, Munir Pirmohamed
BACKGROUND: The antiretroviral nevirapine is associated with hypersensitivity reactions in 6%-10% of patients, including hepatotoxicity, maculopapular exanthema, Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). OBJECTIVES: To undertake a genome-wide association study (GWAS) to identify genetic predisposing factors for the different clinical phenotypes associated with nevirapine hypersensitivity. METHODS: A GWAS was undertaken in a discovery cohort of 151 nevirapine-hypersensitive and 182 tolerant, HIV-infected Malawian adults...
January 6, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28061541/a-prospective-multicenter-phase-ii-trial-of-low-dose-erlotinib-as-maintenance-treatment-after-platinum-doublet-chemotherapy-for-advanced-non-small-cell-lung-cancer-harboring-egfr-mutation
#10
Satoshi Hirano, Go Naka, Yuichiro Takeda, Motoyasu Iikura, Noriko Hayama, Asako Yanagisawa, Hiroyuki Amano, Makoto Nakamura, Sukeyuki Nakamura, Hiroshi Tabeta, Haruhito Sugiyama
BACKGROUND: Maintenance therapy with full-dose erlotinib for patients with advanced non-small cell lung cancer (NSCLC) has demonstrated a significant overall survival (OS) benefit. However, 150 mg/day of erlotinib seems too toxic as maintenance therapy. This study aimed to evaluate the efficacy and safety of low-dose erlotinib (25 mg/day) as maintenance treatment after platinum doublet chemotherapy in NSCLC harboring epidermal growth factor receptor (EGFR) mutation. METHODS: Activated EGFR-mutation-positive NSCLC patients who did not progress after first-line platinum-doublet chemotherapy, ≥20 and ≤85 years old, with performance status (PS) 0-3 were included in this study...
December 2016: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28057014/cocktail-treatment-with-egfr-specific-and-cd133-specific-chimeric-antigen-receptor-modified-t-cells-in-a-patient-with-advanced-cholangiocarcinoma
#11
Kai-Chao Feng, Ye-Lei Guo, Yang Liu, Han-Ren Dai, Yao Wang, Hai-Yan Lv, Jian-Hua Huang, Qing-Ming Yang, Wei-Dong Han
BACKGROUND: Cholangiocarcinoma (CCA) is one of the most fatal malignant tumors with increasing incidence, mortality, and insensitivity to traditional chemo-radiotherapy and targeted therapy. Chimeric antigen receptor-modified T cell (CART) immunotherapy represents a novel strategy for the management of many malignancies. However, the potential of CART therapy in treating advanced unresectable/metastatic CCA is uncharted so far. CASE PRESENTATION: In this case, a 52-year-old female who was diagnosed as advanced unresectable/metastatic CCA and resistant to the following chemotherapy and radiotherapy was treated with CART cocktail immunotherapy, which was composed of successive infusions of CART cells targeting epidermal growth factor receptor (EGFR) and CD133, respectively...
January 5, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28056400/efficacy-and-safety-of-eribulin-as-first-to-third-line-treatment-in-patients-with-advanced-or-metastatic-breast-cancer-previously-treated-with-anthracyclines-and-taxanes
#12
Shigeto Maeda, Michiyo Saimura, Shigeki Minami, Kaname Kurashita, Reiki Nishimura, Yuichiro Kai, Hiroshi Yano, Kohjiro Mashino, Shoshu Mitsuyama, Mototsugu Shimokawa, Kazuo Tamura
OBJECTIVES: Despite the survival benefit and acceptable tolerability of eribulin for advanced/metastatic breast cancer (MBC) patients pretreated with anthracyclines and taxanes, there is limited evidence of the clinical benefit of early eribulin use. We investigated the efficacy and safety of first- to third-line eribulin use in patients with MBC. MATERIALS AND METHODS: In this phase II, open-label, single-arm study conducted at 14 sites in Kyushu, Japan, women with histologically confirmed human epidermal growth factor receptor 2-negative MBC were enrolled between December 1, 2011 and November 30, 2013 (Data cut-off: November 30, 2014)...
January 2, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28056182/noise-stress-induces-an-epidermal-growth-factor-receptor-xeroderma-pigmentosum-a-response-in-the-auditory-nerve
#13
O'neil W Guthrie
In response to toxic stressors, cancer cells defend themselves by mobilizing one or more epidermal growth factor receptor (EGFR) cascades that employ xeroderma pigmentosum-A (XPA) to repair damaged genes. Recent experiments discovered that neurons within the auditory nerve exhibit basal levels of EGFR+XPA co-expression. This finding implied that auditory neurons in particular or neurons in general have the capacity to mobilize an EGFR+XPA defense. Therefore, the current study tested the hypothesis that noise stress would alter the expression pattern of EGFR/XPA within the auditory nerve...
December 1, 2016: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/28052797/involvement-of-micrornas-in-skin-disorders-a-literature-review
#14
Carmen Mannucci, Marco Casciaro, Paola L Minciullo, Gioacchino Calapai, Michele Navarra, Sebastiano Gangemi
BACKGROUND: miRNAs are a class of noncoding RNA molecules that modulate gene expression after transcription. It is known that miRNAs are involved in various cellular processes of both normal and diseased skin. Recently, differential expressions of miRNAs have been reported and associated with several immunologic and inflammatory disorders, which indicate a common role in fundamental biologic processes. OBJECTIVE: To collect and review data from the literature on involvement of miRNA in inflammatory skin disorders...
January 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28052433/diverse-functions-of-multidrug-and-toxin-extrusion-mate-transporters-in-citric-acid-efflux-and-metal-homeostasis-in-medicago-truncatula
#15
Junjie Wang, Qiuqiang Hou, Penghui Li, Lina Yang, Xuecheng Sun, Vagner A Benedito, Jiangqi Wen, Beibei Chen, Kirankumar S Mysore, Jian Zhao
The MATE transporter family comprises 70 members in the Medicago truncatula genome, and they play seemingly important, yet mostly uncharacterized, physiological functions. Here, we employed bioinformatics and molecular genetics to identify and characterize MATE transporters involved in citric acid export, Al(3+) tolerance and Fe translocation. MtMATE69 is a citric acid transporter induced by Fe-deficiency. Overexpression of MtMATE69 in hairy roots altered Fe homeostasis and hormone levels under Fe-deficient or Fe-oversupplied conditions...
January 4, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28050738/preoperative-neoadjuvant-chemotherapy-using-nanoparticle-albumin-bound-paclitaxel-followed-by-epirubicin-and-cyclophosphamide-for-operable-breast-cancer-a-multicenter-phase-ii-trial
#16
Manabu Futamura, Yasuko Nagao, Kazuhiro Ishihara, Makoto Takeuchi, Takumi Nakada, Yoshihiro Kawaguchi, Masayoshi Asano, Iwao Kumazawa, Takashi Shiroko, Kasumi Morimitsu, Ryutaro Mori, Masahito Nawa, Toshio Shimokawa, Kazuhiro Yoshida
BACKGROUND: Recently, the use of taxane-based regimens before anthracycline-based regimens has been shown to achieve high pathological complete response (pCR) rates in patients with breast cancer. Nanoparticle albumin-bound paclitaxel (nab-PTX) has been reported as highly effective and less toxic compared with Cremophor-based Taxol. This phase II clinical trial evaluated the safety and efficacy of preoperative neoadjuvant chemotherapy (NAC) with nab-PTX followed by an epirubicin plus cyclophosphamide (EC)-based regimen for operable breast cancer...
January 3, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28039367/efficacy-and-safety-results-of-abt-414-in-combination-with-radiation-and-temozolomide-in-newly-diagnosed-glioblastoma
#17
David A Reardon, Andrew B Lassman, Martin van den Bent, Priya Kumthekar, Ryan Merrell, Andrew M Scott, Lisa Fichtel, Erik P Sulman, Erica Gomez, JuDee Fischer, Ho-Jin Lee, Wijith Munasinghe, Hao Xiong, Helen Mandich, Lisa Roberts-Rapp, Peter Ansell, Kyle D Holen, Hui K Gan
BACKGROUND: The purpose of this study was to determine the maximum tolerated dose (MTD), recommended phase II dose (RPTD), safety, and pharmacokinetics of ABT-414 plus radiation and temozolomide in newly diagnosed glioblastoma. ABT-414 is a first-in-class, tumor-specific antibody-drug conjugate that preferentially targets tumors expressing overactive epidermal growth factor receptor (EGFR). METHODS: In this multicenter phase I study, patients received 0.5-3.2 mg/kg ABT-414 every 2 weeks by intravenous infusion...
December 29, 2016: Neuro-oncology
https://www.readbyqxmd.com/read/28036140/european-guidelines-s1-on-the-use-of-high-dose-intravenous-immunoglobulin-in-dermatology
#18
Alexander Enk, Eva Hadaschik, Rüdiger Eming, Gerhard Fierlbeck, Lars French, Giampiero Girolomoni, Michael Hertl, Stephen Jolles, Sarolta Karpati, Kerstin Steinbrink, Georg Stingl, Beatrix Volc-Platzer, Detlef Zillikens
BACKGROUND AND OBJECTIVES: Treatment of severe dermatological autoimmune diseases and toxic epidermal necrolysis (TEN) with high-dose intravenous immunoglobulin (IVIg) is a well-established procedure in dermatology. As treatment with IVIg is usually considered for rare clinical entities or severe cases, the use of immunoglobulin is not generally based on data from randomized controlled trials usually required for evidence-based medicine. Since the indications for the use of IVIg are rare, it is unlikely that such studies will be available in the foreseeable future...
December 30, 2016: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28027105/concurrent-driver-mutations-rearrangements-in-non-small-cell-lung-cancer
#19
Samer Tabchi, Hampig R Kourie, Jean Klastersky
PURPOSE OF REVIEW: The concept of mutually exclusive oncogenic driver alterations has prevailed over the past decade, but recent reports have stressed the possible occurrence of dual-positive non-small-cell lung cancer (NSCLC) and even triple-positive disease for these oncogenes. This entity presents novel prognostic and therapeutic challenges. The present review highlights the available data in an effort to clarify the clinical and pathological significance of coexisting mutations as well as the subsequent therapeutic consequences...
December 23, 2016: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28018522/dysfunction-of-autophagy-a-possible-mechanism-involved-in-the-pathogenesis-of-vitiligo-by-breaking-the-redox-balance-of-melanocytes
#20
REVIEW
Zhuhui Qiao, Xiuxiu Wang, Leihong Xiang, Chengfeng Zhang
Vitiligo is a common chronic acquired pigmentation disorder characterized by loss of functional melanocytes from the epidermis and follicular reservoir. Among multiple hypotheses which have been proposed in the pathogenesis of vitiligo, autoimmunity and oxidative stress-mediated toxicity in melanocytes remain most widely accepted. Macroautophagy is a lysosome-dependent degradation pathway which widely exists in eukaryotic cells. Autophagy participates in the oxidative stress response in many cells, which plays a protective role in preventing damage caused by oxidative stress...
2016: Oxidative Medicine and Cellular Longevity
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