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https://www.readbyqxmd.com/read/28738521/ginkgo-biloba-exocarp-extracts-induces-autophagy-in-lewis-lung-cancer-cells-involving-ampk-mtor-p70s6k-signaling-pathway
#1
Chenjie Cao, Dongdong Han, Ya Su, Yu Ge, Huasheng Chen, Aihua Xu
OBJECTIVES: Ginkgo biloba L. is called a living fossil plant, and could be used for the treatment of cancer thousands of years ago in China. The extracts prepared from the Ginkgo biloba exocarp (Ginkgo biloba exocarp extracts, GBEE) has a significant anti-cancer effect. Autophagy plays an important role in the occurrence and development of cancer as programmed cell death (PCD) type II. Thus it would be interesting to study the effects and mechanisms of GBEE inducing autophagy in Lewis lung cancer (LLC) cells...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28737624/palpebral-antrax
#2
Adil Bozpolat, Didem Atici, Nazan Ulgen Tekerek, Duran Arslan
A 13 year old male patient presented with a complaint of swelling of the left eye starting 3 days ago. Bullous lesion and purulent discharge were present on his left eyelids. B. antracis was shown in culture and diagnosis was confirmed. Oculocutaneous anthrax is a rare condition but the diagnosis should be considered in patients with a painless necrotizing ulcer.
July 20, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28736757/malaria-parasite-proteins-involved-in-nutrient-channels-at-the-host-erythrocyte-membrane-advances-and-questions-for-future-research
#3
S Chalapareddy, S A Desai
Erythrocytes infected malaria parasites have increased permeability to nutrients and other solutes, as mediated by an unusual ion channel known as the plasmodial surface anion channel (PSAC). Although the increased permeability of infected erythrocytes was identified more than 70 years ago and subsequently characterized with tracer studies, its mechanism and role in parasite biology remained unclear until the introduction of patch-clamp methods and high-throughput screening technologies. These methods discovered and implicated PSAC as the primary mechanism, determined that this channel is essential for parasite development, led to identification of the channel's genes, and stimulated antimalarial drug discovery against this target...
March 2017: Int J Curr Multidiscip Stud
https://www.readbyqxmd.com/read/28736729/factors-promoting-development-of-fibrosis-in-crohn-s-disease
#4
REVIEW
Gerhard Rogler, Martin Hausmann
The concepts on the pathophysiology of intestinal fibrosis in Crohn's disease (CD) have changed in recent years. Some years ago fibrosis was regarded to be a consequence of long-standing inflammation with subsequent destruction of the gut wall matrix followed by scar formation and collagen deposition. Fibrosis in CD patients appeared to be an irreversible process that could hardly be influenced. Therefore, the main target in CD therapy was to control inflammation to avoid fibrosis development. Many of these assumptions seem to be only partially true...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28736689/induced-pluripotent-stem-cells-global-research-trends
#5
REVIEW
Takaharu Negoro, Hanayuki Okura, Akifumi Matsuyama
The induced pluripotent stem cell (iPSC) was first described more than 10 years ago and is currently used in various basic science and clinical research fields. The aim of this report is to examine the trends in research using iPSCs over the last 10 years. The 2006-2016 PubMed database was searched using the MeSH term "induced pluripotent stem cells." Only original research articles were selected, with a total of 3323 articles. These were classified according to research theme into reprogramming, differentiation protocols for specific cells and/or tissues, pathophysiological research on diseases, and discovery of new drugs, and then the trends over the years were analyzed...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28736252/systemic-therapy-following-metastasectomy-for-renal-cell-carcinoma-using-insights-from-other-clinical-settings-to-address-unanswered-questions
#6
REVIEW
Leonard J Appleman, Jodi K Maranchie
Surgical resection for metastatic renal cell carcinoma (RCC) was first described several decades ago, but the appropriate role for surgery in coordinated multidisciplinary care has not been well-defined. The explosive development of new therapies for advanced RCC over the past 10 years has improved the outlook for patients, and there is now renewed interest in surgical metastasectomy for selected patients with metastatic RCC, moving away from the conventional dichotomy between surgery for local disease and systemic therapy for metastatic disease...
July 20, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28736196/serological-and-molecular-epidemiological-outcomes-after-two-decades-of-universal-infant-hepatitis-b-virus-hbv-vaccination-in-nunavut-canada
#7
Chris Huynh, Gerald Y Minuk, Julia Uhanova, Maureen Baikie, Thomas Wong, Carla Osiowy
Chronic hepatitis B virus (HBV) infection within the Canadian Arctic is considered endemic (>2% prevalence). Within the Arctic region of Nunavut, a vaccination program targeted at newborn infants was initiated approximately 20years ago, along with interim grade school catch-up programs, with the result that individuals born after 1980 are presumed vaccinated. This study investigates the effectiveness of these programs and is the first seroepidemiological survey to determine HBV prevalence in Nunavut in the post-vaccination era...
July 20, 2017: Vaccine
https://www.readbyqxmd.com/read/28735896/argonaute-clip-defines-a-deregulated-mir-122-bound-transcriptome-that-correlates-with-patient-survival-in-human-liver-cancer
#8
Joseph M Luna, Juan M Barajas, Kun-Yu Teng, Hui-Lung Sun, Michael J Moore, Charles M Rice, Robert B Darnell, Kalpana Ghoshal
MicroRNA-122, an abundant and conserved liver-specific miRNA, regulates hepatic metabolism and functions as a tumor suppressor, yet systematic and direct biochemical elucidation of the miR-122 target network remains incomplete. To this end, we performed Argonaute crosslinking immunoprecipitation (Argonaute [Ago]-CLIP) sequencing in miR-122 knockout and control mouse livers, as well as in matched human hepatocellular carcinoma (HCC) and benign liver tissue to identify miRNA target sites transcriptome-wide in two species...
July 13, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28735658/depression-among-older-adults-a-20-year-update-on-five-common-myths-and-misconceptions
#9
Emily A P Haigh, Olivia E Bogucki, Sandra T Sigmon, Dan G Blazer
Is depression among older adults symptomatically different than younger adults? Is it more common or chronic or difficult to treat? Is depression in late life more likely to be attributed to psychological problems? Twenty-years ago, Dan Blazer, a pioneer known for his groundbreaking work on depression in older adulthood, conducted an important review of the existing literature to refute five commonly held beliefs about depression in late life. Now, two decades later, we call upon selected articles that are representative of our current knowledge to provide an update and identify research priorities...
June 16, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28735391/toward-a-resilient-functional-microbiome-drought-tolerance-alleviating-microbes-for-sustainable-agriculture
#10
Venkatachalam Lakshmanan, Prasun Ray, Kelly D Craven
In recent years, the utilization of novel sequencing techniques opened a new field of research into plant microbiota and was used to explore a wide diversity of microorganisms both inside and outside of plant host tissues, i.e., the endosphere and rhizosphere, respectively. An early realization from such research was that species richness and diversity of the plant microbiome are both greater than believed even a few years ago, and soil is likely home to the most abundant and diverse microbial habitats known...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28734965/enhanced-immunostimulatory-activity-of-in-silico-discovered-agonists-of-toll-like-receptor-2-tlr2
#11
M S Murgueitio, S Ebner, P Hörtnagl, C Rakers, R Bruckner, P Henneke, G Wolber, S Santos-Sierra
BACKGROUND: Emergent therapies in anticancer vaccination use Toll-like receptors (TLRs) agonists as dendritic cell (DC) vaccine adjuvants. DCs from the patient are isolated, stimulated with TLR agonists and tumor antigens ex vivo and then infused back into the patient. Although some TLR ligands have been tested in clinical trials, novel TLR agonists with improved immunomodulatory properties are essential to optimize treatment success. We report on the discovery of small-molecule TLR2 agonists, with favorable properties as synthetic adjuvants...
July 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28734945/the-epigenomic-revolution-in-breast-cancer-from-single-gene-to-genome-wide-next-generation-approaches
#12
REVIEW
Veronica Davalos, Anna Martinez-Cardus, Manel Esteller
From the first identification of aberrant DNA methylation in primary human tumors more than three decades ago, exponential progress in cancer epigenetics research has been made. For many years, cancer epigenetics studies relied on identification of DNA methylation and histone modifications at specific genes. These studies laid the foundation for the field and revealed the epigenetic alterations as hallmark of cancer, as well as the crucial role of epigenetic mechanisms in tumorigenesis. The introduction of next-generation sequencing and array-based technologies for analyzing epigenetic states has accelerated our understanding about cancer and nowadays have become potent tools in our fight against the disease...
July 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28734934/analysis-of-rna-protein-interactions-in-vertebrate-embryos-using-uv-crosslinking-approaches
#13
Vladimir Despic, Mario Dejung, Falk Butter, Karla M Neugebauer
A decade ago, we believed that at least 300 RNA binding proteins (RBPs) were encoded in our genomes based on annotations of known or predicted RNA binding domains. Deciphering the roles of those RBPs in regulated gene expression was a vast frontier awaiting exploration. Since then, the field has developed a number of key tools that navigate the landscape of cellular RNA. These rely principally on UV crosslinking to create covalent bonds between RBPs and target RNAs in vivo, revealing not only target identities but also local binding sites upon RNA-Seq...
July 19, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28734882/opioid-prescribing-among-cancer-and-non-cancer-patients-time-trend-analysis-in-the-elderly-using-administrative-data
#14
Lisa Barbera, Rinku Sutradhar, Anna Chu, Hsien Seow, Doris Howell, Craig C Earle, Mary Ann O'Brien, Deb Dudgeon, Clare Atzema, Amna Husain, Ying Liu, Carlo DeAngelis
BACKGROUND: In 2007, Cancer Care Ontario introduced a provincial symptom screening program, which included pain, for cancer patients. Over this same time, opioid prescribing has been increasingly scrutinized among non-cancer patients. The study purpose was to see if opioid prescribing changed among older adults after 2007 in the context of changing opioid regulations, and whether effects were different among patients with a cancer history. METHODS: Ontario residents aged ≥65 were identified from 2004 to 2013...
July 19, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28734270/a-case-study-of-an-unknown-mass-grave-hostages-killed-70-years-ago-by-a-nazi-firing-squad-identified-thanks-to-genetics
#15
Andrzej Ossowski, Marta Diepenbroek, Marcin Zwolski, Adam Falis, Maria Wróbel, Milena Bykowska-Witowska, Grażyna Zielińska, Maria Szargut, Tomasz Kupiec
Almost 6 million people died in Poland during the Nazi occupation and about 570 thousand during the Soviet occupation. But the end of the war was not the end of the trauma. Historians estimate that at least 30 thousand people were killed during the Stalinist regime in Poland. In 2012 the Institute of National Remembrance started to search for hidden burials of victims of communism. Many exhumations were carried out under the project. One of them took place in Białystok, eastern Poland. According to information gathered by local historians, a detention centre in the heart of city was the place of secret burials of victims of the communist regime...
July 8, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28734067/range-instability-leads-to-cytonuclear-discordance-in-a-morphologically-cryptic-ground-squirrel-species-complex
#16
Mark A Phuong, Ke Bi, Craig Moritz
The processes responsible for cytonuclear discordance frequently remain unclear. Here, we employed an exon capture dataset and demographic methods to test hypotheses generated by species distribution models to examine how contrasting histories of range stability vs. fluctuation have caused cytonuclear concordance and discordance in ground squirrel lineages from the Otospermophilus beecheyi species complex. Previous studies in O. beecheyi revealed three morphologically cryptic and highly divergent mitochondrial DNA lineages (named the Northern, Central, and Southern lineages based on geography) with only the Northern lineage exhibiting concordant divergence for nuclear genes...
July 22, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28733901/current-knowledge-on-exosome-biogenesis-and-release
#17
REVIEW
Nina Pettersen Hessvik, Alicia Llorente
Exosomes are nanosized membrane vesicles released by fusion of an organelle of the endocytic pathway, the multivesicular body, with the plasma membrane. This process was discovered more than 30 years ago, and during these years, exosomes have gone from being considered as cellular waste disposal to mediate a novel mechanism of cell-to-cell communication. The exponential interest in exosomes experienced during recent years is due to their important roles in health and disease and to their potential clinical application in therapy and diagnosis...
July 21, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28733334/application-of-recombinant-factor-c-reagent-for-the-detection-of-bacterial-endotoxins-in-pharmaceutical-products
#18
Jay S Bolden, Kelly R Smith
Recombinant Factor C (rFC) is non-animal derived reagent used to detect bacterial endotoxins in pharmaceutical products. Despite the fact that the reagent was first commercially available nearly 15 years ago, the broad use of rFC in pharmaceutical industry has long been lagging, presumably due to historical single source supplier concerns and the lack of inclusion in worldwide pharmacopeias. Commercial rFC reagents are now available from multiple manufacturers, thus single sourcing is no longer an issue. We report here the successful validation of several pharmaceutical products by an end-point florescence-based endotoxin method using the rFC reagent...
July 20, 2017: PDA Journal of Pharmaceutical Science and Technology
https://www.readbyqxmd.com/read/28733039/can-the-leaf-bag-technique-detect-benthic-macrofauna-responses-to-sediment-contamination-by-metals-and-metalloids-in-estuaries
#19
Marta Lobão Lopes, Ana Maria Rodrigues, Victor Quintino
The Estarreja Channel, Ria de Aveiro, Portugal, received industrial effluents for over 70years. Despite the discharges stopped a decade ago, a recent study showed negative ecological effects still associated with the metal and metalloid contaminated sediments. In contaminated versus reference channels, this study compared the benthic macrofauna collected with corer and mesh-bags for community structure and synthesis descriptors, namely taxa richness (S), Shannon-Wiener diversity (H'), taxonomic (AMBI and M-AMBI) and non-taxonomic (ISS) biotic indices and functional indicators (decomposition rates)...
July 18, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28732777/how-useful-is-3d-printing-in-maxillo-facial-surgery
#20
A Louvrier, P Marty, E Weber, E Euvrard, B Chatelain, A Barrabé, C Meyer
INTRODUCTION: 3D-printing seems to have more and more applications in maxillofacial surgery (MFS), particularly since the release on the market of general use 3D-printers several years ago. The aim of our study was to answer 4 questions: 1. Who uses 3D printing in MFS and is it routine or not? 2. What are the main clinical indications for 3D-printing in MFS and what are the kinds of objects that are used? 3. Are these objects printed by an official medical device (MD) manufacturer or made directly within the department or the lab? 4...
July 18, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
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