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https://www.readbyqxmd.com/read/27923036/cotargeting-of-cyp-19-aromatase-and-emerging-pivotal-signalling-pathways-in-metastatic-breast-cancer
#1
REVIEW
Stine Daldorff, Randi Margit Ruud Mathiesen, Olav Erich Yri, Hilde Presterud Ødegård, Jürgen Geisler
Aromatase inhibition is one of the cornerstones of modern endocrine therapy of oestrogen receptor-positive (ER+) metastatic breast cancer (MBC). The nonsteroidal aromatase inhibitors anastrozole and letrozole, as well as the steroidal aromatase inactivator exemestane, are the preferred drugs and established worldwide in all clinical phases of the disease. However, although many patients suffering from MBC experience an initial stabilisation of their metastatic burden, drug resistance and disease progression occur frequently, following in general only a few months on treatment...
December 6, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27921134/mental-disorders-as-networks-of-problems-a-review-of-recent-insights
#2
REVIEW
Eiko I Fried, Claudia D van Borkulo, Angélique O J Cramer, Lynn Boschloo, Robert A Schoevers, Denny Borsboom
PURPOSE: The network perspective on psychopathology understands mental disorders as complex networks of interacting symptoms. Despite its recent debut, with conceptual foundations in 2008 and empirical foundations in 2010, the framework has received considerable attention and recognition in the last years. METHODS: This paper provides a review of all empirical network studies published between 2010 and 2016 and discusses them according to three main themes: comorbidity, prediction, and clinical intervention...
December 5, 2016: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/27921039/clinical-manifestation-and-management-of-adpkd-in-western-countries
#3
REVIEW
Claudia Sommerer, Martin Zeier
BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary kidney disease in Western countries. The prevalence is between 2.4/10,000 and 3.9/10,000. ADPKD represents a systemic disease resulting in deterioration in renal function. Until now, mutations in two genes (PKD1 and PKD2) have been identified. Recently, the European Medicines Agency (EMA) approved the use of the vasopressin V2 receptor antagonist tolvaptan to slow the progression of cyst development and renal insufficiency connected with ADPKD in adult patients with chronic kidney disease stages 1-3 at initiation of treatment with evidence of rapidly progressing disease...
October 2016: Kidney Diseases
https://www.readbyqxmd.com/read/27921038/the-clinical-manifestation-and-management-of-autosomal-dominant-polycystic-kidney-disease-in-china
#4
REVIEW
Cheng Xue, Chen-Chen Zhou, Ming Wu, Chang-Lin Mei
BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) is the most common monogenic hereditary kidney disease characterized by progressive enlargement of renal cysts. The incidence is 1-2‰ worldwide. Mutations in two genes (PKD1 and PKD2) cause ADPKD. Currently, there is no pharmaceutical treatment available for ADPKD patients in China. Summary: This review focused on advances in clinical manifestation, gene diagnosis, risk factors, and management of ADPKD in China. There is an age-dependent increase in total kidney volume (TKV) and decrease in renal function in Chinese ADPKD patients...
October 2016: Kidney Diseases
https://www.readbyqxmd.com/read/27920501/three-generations-of-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors-developed-to-revolutionize-the-therapy-of-lung-cancer
#5
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/27920270/think-like-a-hacker-insights-on-the-latest-attack-vectors-and-security-controls-for-medical-device-applications
#6
Mandeep Khera
Ready or not, the Internet of things (IoT) is here. No longer just a buzz term, it'll continue to grow at an unprecedented pace over the next few years expecting to reach over 25 billion connected devices by 2020. History shows us that most fast growth technology solutions focus on solving business problems first and security is an afterthought. Unfortunately, IoT is following the same trend. Most IoT devices, apps, and infrastructure were developed without security in mind and are likely going to become targets of hackers...
December 4, 2016: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/27918562/resting-state-connectivity-biomarkers-define-neurophysiological-subtypes-of-depression
#7
Andrew T Drysdale, Logan Grosenick, Jonathan Downar, Katharine Dunlop, Farrokh Mansouri, Yue Meng, Robert N Fetcho, Benjamin Zebley, Desmond J Oathes, Amit Etkin, Alan F Schatzberg, Keith Sudheimer, Jennifer Keller, Helen S Mayberg, Faith M Gunning, George S Alexopoulos, Michael D Fox, Alvaro Pascual-Leone, Henning U Voss, B J Casey, Marc J Dubin, Conor Liston
Biomarkers have transformed modern medicine but remain largely elusive in psychiatry, partly because there is a weak correspondence between diagnostic labels and their neurobiological substrates. Like to other neuropsychiatric disorders, depression is not a unitary disease, but rather a heterogeneous syndrome that encompasses varied, co-occurring symptoms and divergent responses to treatment. By using functional magnetic resonance imaging (fMRI) in a large multisite sample (n = 1,188), we show here that patients with depression can be subdivided into four neurophysiological subtypes ('biotypes') defined by distinct patterns of dysfunctional connectivity in limbic and frontostriatal networks...
December 5, 2016: Nature Medicine
https://www.readbyqxmd.com/read/27918441/tp53-microrna-interplay-in-hepatocellular-carcinoma
#8
REVIEW
Daniela Pollutri, Laura Gramantieri, Luigi Bolondi, Francesca Fornari
The role of microRNAs as oncogenes and tumor suppressor genes has emerged in several cancers, including hepatocellular carcinoma (HCC). The pivotal tumor suppressive role of p53-axis is indicated by the presence of inactivating mutations in TP53 gene in nearly all cancers. A close interaction between these two players, as well as the establishment of complex p53/miRNAs loops demonstrated the strong contribution of p53-effector miRNAs in enhancing the p53-mediated tumor suppression program. On the other hand, the direct and indirect targeting of p53, as well as the regulation of its stability and activity by specific microRNAs, underlie the importance of the fine-tuning of p53 pathway, affecting the cell fate of damaged/transformed cells...
December 2, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27917698/tetramethylpyrazine-protects-against-glucocorticoid-induced-apoptosis-by-promoting-autophagy-in-mesenchymal-stem-cells-and-improves-bone-mass-in-glucocorticoid-induced-osteoporosis-rats
#9
Long Wang, Hong-Yang Zhang, Bo Gao, Jun Shi, Qiang Huang, Yue-Hu Han, Ya-Qian Hu, Wei-Guang Lu, Zhuo-Jie Zhao, Bao-Hua Liu, Qiang Jie, Liu Yang, Zhuo-Jing Luo
Glucocorticoid-induced osteoporosis (GIOP) is a widespread clinical complication due to the common use of glucocorticoids. Excess glucocorticoids induce apoptosis of bone marrow-derived mesenchymal stem cells (BMSCs), which have been shown to play an increasingly important role in the pathogenesis and therapy of osteoporosis. Tetramethylpyrazine (TMP), an extract from one of the most recognized herbs in traditional Chinese medicine (Chuanxiong), has been reported to have anti-apoptotic properties. In this study, we tested whether TMP protects rat BMSCs following exposure to glucocorticoids in vitro and in vivo...
December 4, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27917527/simultaneous-orthogonal-plane-imaging
#10
Nikolai J Mickevicius, Eric S Paulson
PURPOSE: Intrafraction motion can result in a smearing of planned external beam radiation therapy dose distributions, resulting in an uncertainty in dose actually deposited in tissue. The purpose of this paper is to present a pulse sequence that is capable of imaging a moving target at a high frame rate in two orthogonal planes simultaneously for MR-guided radiotherapy. THEORY: By balancing the zero gradient moment on all axes, slices in two orthogonal planes may be spatially encoded simultaneously...
December 4, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27917384/genetic-alterations-in-intervertebral-disc-disease
#11
REVIEW
Nikolay L Martirosyan, Arpan A Patel, Alessandro Carotenuto, M Yashar S Kalani, Evgenii Belykh, Corey T Walker, Mark C Preul, Nicholas Theodore
BACKGROUND: Intervertebral disc degeneration (IVDD) is considered a multifactorial disease that is influenced by both environmental and genetic factors. The last two decades of research strongly demonstrate that genetic factors contribute about 75% of the IVDD etiology. Recent total genome sequencing studies have shed light on the various single-nucleotide polymorphisms (SNPs) that are associated with IVDD. AIM: This review presents comprehensive and updated information about the diversity of genetic factors in the inflammatory, degradative, homeostatic, and structural systems involved in the IVDD...
2016: Frontiers in Surgery
https://www.readbyqxmd.com/read/27917076/the-cost-effectiveness-of-vedolizumab-for-inflammatory-bowel-disease-a-review-of-the-current-literature
#12
Yecheskel Schneider, Monica Saumoy, Shirley Cohen-Mekelburg, Adam F Steinlauf, Ellen J Scherl
The United States spends a greater share per gross domestic product on health care than any other developed country in the world. Cost-conscious, high-value care has an important role in the practice of medicine. Inflammatory bowel disease (IBD) affects 1.6 million people in the United States and is responsible for significant health care costs, with estimates as high as $31.6 billion annually, a large portion of which is attributable to the use of biologic therapies. As the number of therapeutic targets for IBD expands, gastroenterologists can anticipate the arrival of novel therapeutic agents on the market, and these may carry significant costs...
October 2016: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27916275/artemisinins-target-gabaa-receptor-signaling-and-impair-%C3%AE-cell-identity
#13
Jin Li, Tamara Casteels, Thomas Frogne, Camilla Ingvorsen, Christian Honoré, Monica Courtney, Kilian V M Huber, Nicole Schmitner, Robin A Kimmel, Roman A Romanov, Caterina Sturtzel, Charles-Hugues Lardeau, Johanna Klughammer, Matthias Farlik, Sara Sdelci, Andhira Vieira, Fabio Avolio, François Briand, Igor Baburin, Peter Májek, Florian M Pauler, Thomas Penz, Alexey Stukalov, Manuela Gridling, Katja Parapatics, Charlotte Barbieux, Ekaterine Berishvili, Andreas Spittler, Jacques Colinge, Keiryn L Bennett, Steffen Hering, Thierry Sulpice, Christoph Bock, Martin Distel, Tibor Harkany, Dirk Meyer, Giulio Superti-Furga, Patrick Collombat, Jacob Hecksher-Sørensen, Stefan Kubicek
Type 1 diabetes is characterized by the destruction of pancreatic β cells, and generating new insulin-producing cells from other cell types is a major aim of regenerative medicine. One promising approach is transdifferentiation of developmentally related pancreatic cell types, including glucagon-producing α cells. In a genetic model, loss of the master regulatory transcription factor Arx is sufficient to induce the conversion of α cells to functional β-like cells. Here, we identify artemisinins as small molecules that functionally repress Arx by causing its translocation to the cytoplasm...
November 30, 2016: Cell
https://www.readbyqxmd.com/read/27915154/lipopolysaccharides-stimulated-macrophage-products-enhance-withaferin-a-induced-apoptosis-via-activation-of-caspases-and-inhibition-of-nf-%C3%AE%C2%BAb-pathway-in-human-cancer-cells
#14
Liang Piao, Zhao Canguo, Lu Wenjie, Cheng Xiaoli, Shi Wenli, Lu Li
Macrophages, as a major cellular component in tumor microenvironment, play an important role in tumor progression. However, their roles in modulation of cytotoxic chemotherapy are still not fully understood. Here, we investigated the influence of Lipoplysaccharides (LPS)-stimulated macrophage products (LSMP) on Withaferin A (WA), a natural compound that derived from the medicinal plant Withania somnifera, as an antitumor agent in human breast cancer cells MDA-MB-231 and prostate cancer cells PC-3. Our results revealed that LSMP may enhance WA-induced apoptosis in both cell lines, the underlying mechanisms of which are closely associated with activation of caspase-8, -9 and -3, cleavage of poly ADP-ribose polymerase (PARP), as well as specifically inhibiting the translocation of nuclear factor-κB (NF-κB) and down-regulation of anti-apoptotic proteins X-linked inhibitor of apoptosis protein (XIAP) and inhibitor of apoptosis protein (cIAP1/2)...
December 1, 2016: Molecular Immunology
https://www.readbyqxmd.com/read/27915054/curdione-attenuates-thrombin-induced-human-platelet-activation-%C3%AE-1-tubulin-as-a-potential-therapeutic-target
#15
Dongling Zhang, Wenhao Qiao, Yingli Zhao, Hui Fang, Dujuan Xu, Quan Xia
Rhizoma Curcumae, the dry rhizomes derived from Curcuma aromatica Salisb., are a classical Chinese medicinal herb used to activate blood circulation, remove blood stasis and alleviate pain. Our previous study proved that curdione, a sesquiterpene compound isolated from the essential oil of Curcuma aromatica Salisb. can inhibit platelet activation suggesting its significant anticoagulant and antithrombotic effects. However, the underlying mechanism of curdione mediated anti-platelet effect has not been fully elucidated...
November 30, 2016: Fitoterapia
https://www.readbyqxmd.com/read/27914720/improving-publication-quality-and-quantity-for%C3%A2-acute-care-authors-from-low-and-middle-income-settings
#16
Stevan R Bruijns, Megan Banner, Gabrielle A Jacquet
STUDY OBJECTIVE: Researchers from low- and middle-income countries have limited access to publishing and editing resources. This study describes a journal-initiated platform to improve publication quantity and quality in Sub-Saharan Africa emergency care research: Author Assist. METHODS: This is a descriptive report of a quality improvement project of referrals to the African Journal of Emergency Medicine's (AfJEM's) Author Assist program between January 2011 and December 2015...
November 30, 2016: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/27914655/crohn-s-disease
#17
REVIEW
Joana Torres, Saurabh Mehandru, Jean-Frédéric Colombel, Laurent Peyrin-Biroulet
Crohn's disease is a chronic inflammatory disease of the gastrointestinal tract, with increasing incidence worldwide. Crohn's disease might result from a complex interplay between genetic susceptibility, environmental factors, and altered gut microbiota, leading to dysregulated innate and adaptive immune responses. The typical clinical scenario is a young patient presenting with abdominal pain, chronic diarrhoea, weight loss, and fatigue. Assessment of disease extent and of prognostic factors for complications is paramount to guide therapeutic decisions...
November 30, 2016: Lancet
https://www.readbyqxmd.com/read/27914568/motivations-of-patients-seeking-supportive-care-for-cancer-from-physicians%C3%A2-prescribing-homeopathic-or-conventional-medicines-results-of-an-observational-cross-sectional-study
#18
Karine Danno, Aurélie Colas, Gilles Freyer, Jean-Paul Guastalla, Gérard Duru, Eric Musial, Vincent Libourel, Jean-Philippe Fendler, Jean-Louis Masson, Marie-France Bordet
BACKGROUND & AIMS: The motivations of patients who consult a homeopathic (GP-Ho) or conventional (GP-CM) general practitioner for supportive care during cancer treatment have not been widely studied. We investigated the reasons why cancer patients consult a GP-Ho versus a GP-CM for supportive care and the GPs' motivations for their prescriptions. METHODS: This observational survey was carried out in France between October 2008 and October 2011. GPs across France were randomly selected and asked to recruit four cancer patients each...
November 2016: Homeopathy: the Journal of the Faculty of Homeopathy
https://www.readbyqxmd.com/read/27913602/clonal-conversion-of-b-lymphoid-leukemia-reveals-cross-lineage-transfer-of-malignant-states
#19
Rajesh Somasundaram, Josefine Åhsberg, Kazuki Okuyama, Jonas Ungerbäck, Henrik Lilljebjörn, Thoas Fioretos, Tobias Strid, Mikael Sigvardsson
Even though leukemia is considered to be confined to one specific hematopoietic cell type, cases of acute leukemia of ambiguous lineage and patients relapsing in phenotypically altered disease suggest that a malignant state may be transferred between lineages. Because B-cell leukemia is associated with mutations in transcription factors of importance for stable preservation of lineage identity, we here investigated the potential lineage plasticity of leukemic cells. We report that primary pro-B leukemia cells from mice carrying heterozygous mutations in either or both the Pax5 and Ebf1 genes, commonly mutated in human leukemia, can be converted into T lineage leukemia cells...
December 2, 2016: Genes & Development
https://www.readbyqxmd.com/read/27913459/children-with-rare-diseases-of-neutrophil-granulocytes-from-therapeutic-orphans-to-pioneers-of-individualized-medicine
#20
Christoph Klein
Neutrophil granulocytes are the most abundant immune cells in the blood yet the pathways orchestrating their differentiation and biological function remain incompletely understood. Studying (ultra-) rare patients with monogenetic defects of neutrophil granulocytes may open new horizons to understand basic principles of hematopoiesis and innate immunity. Here, recent insights into genetic factors controlling myelopoiesis and their more general role in biology will be presented in a clinical perspective. Advances in supportive care, first and foremost the use of recombinant human granulocyte-colony stimulating factor, has made a substantial difference for the quality of life and life expectancy of patients with congenital neutropenia (CN)...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
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