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https://www.readbyqxmd.com/read/27920501/three-generations-of-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors-developed-to-revolutionize-the-therapy-of-lung-cancer
#1
REVIEW
Haijun Zhang
Lung cancer, ~80%-85% of which is non-small-cell lung cancer (NSCLC), is the leading cause of cancer-related mortality worldwide. Sensitizing mutations in epidermal growth factor receptor (EGFR) gene (EGFRm(+)), such as exon 19 deletions and exon 21 L858R point mutations, are the most important drivers in NSCLC patients. In this respect, small-molecule EGFR tyrosine kinase inhibitors (TKIs) have been designed and developed, which launched the era of targeted, personalized and precise medicine for lung cancer...
2016: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/27914062/computational-design-of-ligand-binding-proteins
#2
Christine E Tinberg, Sagar D Khare
The ability to design novel small-molecule binding sites in proteins is a stringent test of our understanding of the principles of molecular recognition, and would have many practical applications, in synthetic biology and medicine. Here, we describe a computational method in the context of the macromolecular modeling suite Rosetta to designing proteins with sites featuring predetermined interactions to ligands of choice. The required inputs for the method are a model of the small molecule and the desired interactions (e...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910790/exploring-geographical-differentiation-of-the-hoelen-medicinal-mushroom-wolfiporia-extensa-agaricomycetes-using-fourier-transform-infrared-spectroscopy-combined-with-multivariate-analysis
#3
Yan Li, Ji Zhang, Yanli Zhao, Honggao Liu, Yuanzhong Wang, Hang Jin
In this study the geographical differentiation of dried sclerotia of the medicinal mushroom Wolfiporia extensa, obtained from different regions in Yunnan Province, China, was explored using Fourier-transform infrared (FT-IR) spectroscopy coupled with multivariate data analysis. The FT-IR spectra of 97 samples were obtained for wave numbers ranging from 4000 to 400 cm-1. Then, the fingerprint region of 1800-600 cm-1 of the FT-IR spectrum, rather than the full spectrum, was analyzed. Different pretreatments were applied on the spectra, and a discriminant analysis model based on the Mahalanobis distance was developed to select an optimal pretreatment combination...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27899776/-new-classification-for-advanced-colorectal-cancer-using-cancerplex%C3%A2-genomic-tests
#4
Hitoshi Kameyama, Yoshifumi Shimada, Hiroshi Ichikawa, Masayuki Nagahashi, Jun Sakata, Takashi Kobayashi, Hitoshi Nogami, Satoshi Maruyama, Yasumasa Takii, Shujiro Okuda, Yiwei Ling, Hiroshi Izutsu, Keisuke Kodama, Mitsutaka Nakada, Toshifumi Wakai
Recently, targeted drugs have been developed for the treatment of colorectal cancer(CRC). Among targets, it is well known that KRAS mutations are associated with resistance to epidermal growth factor receptor(EGFR)monoclonal antibodies. However, response rates using anti-EGFR monotherapy for CRC were less than 20-30% in previous clinical studies. Thus, because the RAS/MAP2K/MAPK and PI3K/AKT pathways are associated with CRC resistance to chemotherapy, we analyzed gene mutations in Stage IV CRC patients using a genomic test(CancerPlex®)...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/27894973/is-there-nothing-new-under-the-sun-the-influence-of-herbals-and-pharmacopoeias-on-ethnobotanical-traditions-in-albacete-spain
#5
Diego Rivera, Alonso Verde, Concepción Obón, Francisco Alcaraz, Candelaria Moreno, Teresa Egea, José Fajardo, José Antonio Palazón, Arturo Valdés, Maria Adele Signorini, Piero Bruschi
ETHNOPHARMACOLOGICAL RELEVANCE: This paper has two overarching aims: (1) presenting the results of studying the Albacete tariff of medicines of 1526 and (2) broadly analyzing the origin and influences of medicinal traditional knowledge in the region of Albacete, Spain. We use historical and modern literature that may have influenced this knowledge. Our primary goal was to determine the ingredients used in the pharmacy in the 16th century CE in Albacete through the analysis of the tariff, and our secondary goal was to investigate until when ingredients and uses present in pharmacy and herbals persisted in later periods...
November 25, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27886464/investigation-of-the-chemical-markers-for-experiential-quality-evaluation-of-crude-aconite-by-uhplc-q-tof-ms
#6
Ding-Kun Zhang, Xue Han, Rui-Yu Li, Ming Niu, Qin Dong, Ming Yang, Jia-Bo Wang, Xiao-He Xiao
J. Sep. Sci. 2016, 39, 4281-4289 DOI: 10.1002/jssc.201600567 Aconite, called tiger and wolf drug, is known in Traditional Chinese Medicine for its strong cardiac effect. In the past, the toxins extracted from aconite were used as arrow poisons to kill animals, hence the name "wolf's bane." To a certain extent, the wolf represents the medicinal characteristics of aconite: fierce, wild and intractable. The cover picture shows, besides the wolf head as the main element, a flow chart of our study and summarizes the main topics of our article...
November 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27884717/activity-based-evaluation-of-a-traditional-ayurvedic-medicinal-plant-saraca-asoca-roxb-de-wilde-flowers-as-estrogenic-agents-using-ovariectomized-rat-model
#7
Gauri Swar, Sunita Shailajan, Sasikumar Menon
ETHNOPHARMACOLOGICAL RELEVANCE: Saraca asoca (Roxb.) de Wilde, Ashok, is a popular traditional plant used for gynecological disorders. In India, the juice of Ashok flowers is traditionally consumed as a tonic by women in case of uterine disorders. But despite the use, its estrogenic potency is not yet evaluated and thus lacks the scientific recognition and acclaim. AIM OF THE STUDY: This study is designed to investigate the estrogenic potential of standardized ethanolic extract of Saraca asoca flowers (SAF) using ovariectomized (OVX) female albino Wistar rat model...
November 22, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27881165/comparative-analysis-of-four-terpenoids-in-root-and-cortex-of-tripterygium-wilfordii-radix-by-different-drying-methods
#8
Tuanjie Wang, Fei Shen, Shulan Su, Yongliang Bai, Sheng Guo, Hui Yan, Tao Ji, Yanyan Wang, Dawei Qian, Jin-Ao Duan
BACKGROUND: Tripterygium wilfordii Radix, a well-known traditional medicine in china which is used for treatment of inflammation, pain, tumor and immune regulation for centuries in china, accompany with the serious toxic side effects. This study was carried out for simultaneously analyzing the four main components (triptolide, triptophenolide, demethylzeylasteral and celastrol) in Tripterygium wilfordii Radix under different drying processes, which was important for reducing the toxicity and quality control of Tripterygium wilfordii Radix in future...
November 23, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27881142/ethnoagroforestry-integration-of-biocultural-diversity-for-food-sovereignty-in-mexico
#9
Ana Isabel Moreno-Calles, Alejandro Casas, Alexis Daniela Rivero-Romero, Yessica Angélica Romero-Bautista, Selene Rangel-Landa, Roberto Alexander Fisher-Ortíz, Fernando Alvarado-Ramos, Mariana Vallejo-Ramos, Dídac Santos-Fita
BACKGROUND: Documenting the spectrum of ecosystem management, the roles of forestry and agricultural biodiversity, TEK, and human culture for food sovereignty, are all priority challenges for contemporary science and society. Ethnoagroforestry is a research approach that provides a theoretical framework integrating socio-ecological disciplines and TEK. We analyze in this study general types of Agroforestry Systems of México, in which peasants, small agriculturalist, and indigenous people are the main drivers of AFS and planning of landscape diversity use...
November 23, 2016: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/27878448/a-review-of-ecosystem-service-benefits-from-wild-bees-across-social-contexts
#10
REVIEW
Denise Margaret S Matias, Julia Leventon, Anna-Lena Rau, Christian Borgemeister, Henrik von Wehrden
In order to understand the role of wild bees in both social and ecological systems, we conducted a quantitative and qualitative review of publications dealing with wild bees and the benefits they provide in social contexts. We classified publications according to several attributes such as services and benefits derived from wild bees, types of bee-human interactions, recipients of direct benefits, social contexts where wild bees are found, and sources of changes to the bee-human system. We found that most of the services and benefits from wild bees are related to food, medicine, and pollination...
November 22, 2016: Ambio
https://www.readbyqxmd.com/read/27878268/crocus-sativus-l-protects-against-sds%C3%A2-induced-intestinal-damage-and-extends-lifespan-in-drosophila-melanogaster
#11
Zonglin Liu, Yuchen Chen, Hong Zhang, Li Hua Jin
Medicinal plants are important sources of potentially therapeutic biochemical drugs. Crocus sativus L. has been used to treat various diseases in China, the Republic of Korea and Japan. The present study investigated the protective effect of C. sativus L. extract in Drosophila melanogaster intestinal immunity. Wild‑type flies were fed standard cornmeal‑yeast medium and used as controls, and flies supplemented with 1% C. sativus L. aqueous extract in standard medium were used as the experimental group...
November 15, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27876390/landscape-changes-traditional-ecological-knowledge-and-future-scenarios-in-the-alps-a-holistic-ecological-approach
#12
Clara Tattoni, Elena Ianni, Davide Geneletti, Paolo Zatelli, Marco Ciolli
In recent decades, a dramatic landscape change has occurred in the European alpine region: open areas have been naturally recolonized by forests as traditional agricultural and forest activities were reduced and reorganized. Land use changes (LUC) are generally measured through GIS and photo interpretation techniques, but despite many studies focused on this phenomenon and its effects on biodiversity and on the environment in general, there is a lack of information about the transformation of the human-environment connection...
November 19, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27871982/filipendula-ulmaria-extracts-attenuate-cisplatin-induced-liver-and-kidney-oxidative-stress-in-rats-in%C3%A2-vivo-investigation-and-lc-ms-analysis
#13
Jelena Katanić, Sanja Matić, Eva-Maria Pferschy-Wenzig, Nadine Kretschmer, Tatjana Boroja, Vladimir Mihailović, Vesna Stanković, Nevena Stanković, Milan Mladenović, Snežana Stanić, Mirjana Mihailović, Rudolf Bauer
Filipendula ulmaria, known as meadowsweet, is a perennial herb found in wild and cultivated habitats in Europe and Asia. Usage of F. ulmaria in traditional medicine is based on diuretic, astringent, antirheumatic, and anti-inflammatory properties of this plant. Exposure to cisplatin at a dose of 7.5 mg/kg caused significant increase in serum parameters of liver and kidneys function and tissue oxidative stress markers along with some histopathological changes in liver and kidney tissues of experimental rats, as well as high level of genotoxicity...
November 18, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27859496/application-of-a-solvent-free-solid-injection-technique-coupled-with-gc-ms-for-discrimination-between-the-secondary-metabolites-of-wild-and-cultivated-south-korean-medicinal-foods
#14
Lieu T B Truong, A M Abd El-Aty, Hyun Jin Kim, Md Musfiqur Rahman, Sung Woo Kim, Ho-Chul Shin, Jae Han Shim
Solvent-free solid injection was applied to differentiate between wild and cultivated South Korean medicinal foods, including dureup (Aralia elata), deodeok (Codonopsis lanceolata), and doraji (Platycodon grandiflorus). A number of compounds were identified in wild and cultivated dureup (53 and 46), deodeok (47 and 51), and doraji (43 and 38). Secondary metabolites, including butanal,2-methyl-, β-caryophyllene, neoclovene, α-humulene, γ-curcumene, β-bisabolene, and phytol, were identified in dureup with significantly (P < 0...
November 15, 2016: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/27855232/novel-scc-mutation-in-a-patient-of-mexican-descent-with-sex-reversal-salt-losing-crisis-and-adrenal-failure
#15
Jasmeet Kaur, Alan M Rice, Elizabeth O'Connor, Anil Piya, Bradley Buckler, Himangshu S Bose
: Congenital adrenal hyperplasia (CAH) is caused by mutations in cytochrome P450 side chain cleavage enzyme (CYP11A1 and old name, SCC). Errors in cholesterol side chain cleavage by the mitochondrial resident CYP11A1 results in an inadequate amount of pregnenolone production. This study was performed to evaluate the cause of salt-losing crisis and possible adrenal failure in a pediatric patient whose mother had a history of two previous stillbirths and loss of another baby within a week of birth...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27852792/fgfr-tacc-gene-fusions-in-human-glioma
#16
REVIEW
Anna Lasorella, Marc Sanson, Antonio Iavarone
Chromosomal translocations joining in-frame members of the fibroblast growth factor receptor-transforming acidic coiled-coil gene families (the FGFR-TACC gene fusions) were first discovered in human glioblastoma multiforme (GBM) and later in many other cancer types. Here, we review this rapidly expanding field of research and discuss the unique biological and clinical features conferred to isocitrate dehydrogenase wild-type glioma cells by FGFR-TACC fusions. FGFR-TACC fusions generate powerful oncogenes that combine growth-promoting effects with aneuploidy through the activation of as yet unclear intracellular signaling mechanisms...
November 16, 2016: Neuro-oncology
https://www.readbyqxmd.com/read/27852040/clinical-validation-of-prospective-liquid-biopsy-monitoring-in-patients-with-wild-type-ras-metastatic-colorectal-cancer-treated-with-folfiri-cetuximab
#17
Rodrigo A Toledo, Antonio Cubillo, Estela Vega, Elena Garralda, Rafael Alvarez, Lisardo U de la Varga, Jesús R Pascual, Gema Sánchez, Francesca Sarno, Susana H Prieto, Sofía Perea, Pedro P Lopéz-Casas, Fernando López-Ríos, Manuel Hidalgo
Cancer genomics and translational medicine rely on the molecular profiling of patient's tumor obtained during surgery or biopsy. Alternatively, blood is a less invasive source of tumor DNA shed, amongst other ways, as cell-free DNA (cfDNA). Highly-sensitive assays capable to detect cancer genetic events from patient's blood plasma became popularly known as liquid biopsy (LqB). Importantly, retrospective studies including small number of selected patients with metastatic colorectal cancer (mCRC) patients treated with anti-EGFR therapy have shown LqB capable to detect the acquired clonal mutations in RAS genes leading to therapy resistance...
November 11, 2016: Oncotarget
https://www.readbyqxmd.com/read/27846268/application-of-rad-sequencing-for-evaluating-the-genetic-diversity-of-domesticated-panax-notoginseng-araliaceae
#18
Yuezhi Pan, Xueqin Wang, Guiling Sun, Fusheng Li, Xun Gong
Panax notoginseng, a traditional Chinese medicinal plant, has been cultivated and domesticated for approximately 400 years, mainly in Yunnan and Guangxi, two provinces in southwest China. This species was named according to cultivated rather than wild individuals, and no wild populations had been found until now. The genetic resources available on farms are important for both breeding practices and resource conservation. In the present study, the recently developed technology RADseq, which is based on next-generation sequencing, was used to analyze the genetic variation and differentiation of P...
2016: PloS One
https://www.readbyqxmd.com/read/27843726/development-of-ssr-markers-for-a-tibetan-medicinal-plant-lancea-tibetica-phrymaceae-based-on-rad-sequencing
#19
Zunzhe Tian, Faqi Zhang, Hairui Liu, Qingbo Gao, Shilong Chen
PREMISE OF THE STUDY: Lancea tibetica (Phrymaceae), a Tibetan medicinal plant, is endemic to the Qinghai-Tibet Plateau. The over-exploitation of wild L. tibetica has led to the destruction of many populations. To enhance protection and management, biological research, especially population genetic studies, should be carried out on L. tibetica. Simple sequence repeat (SSR) markers of L. tibetica were developed to analyze population diversity. METHODS AND RESULTS: Four thousand four hundred and forty-one SSR loci were identified for L...
November 2016: Applications in Plant Sciences
https://www.readbyqxmd.com/read/27843438/a-decade-long-commitment-to-antimicrobial-resistance-surveillance-in-portugal
#20
REVIEW
Catarina M Marinho, Tiago Santos, Alexandre Gonçalves, Patrícia Poeta, Gilberto Igrejas
Antimicrobial resistance (AMR) is a worldwide problem with serious health and economic repercussions. Since the 1940s, underuse, overuse, and misuse of antibiotics have had a significant environmental downside. Large amounts of antibiotics not fully metabolized after use in human and veterinary medicine, and other applications, are annually released into the environment. The result has been the development and dissemination of antibiotic-resistant bacteria due to many years of selective pressure. Surveillance of AMR provides important information that helps in monitoring and understanding how resistance mechanisms develop and disseminate within different environments...
2016: Frontiers in Microbiology
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