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https://www.readbyqxmd.com/read/29149778/the-changes-of-th17-treg-and-related-cytokines-il-17-il-23-il-10-and-tgf-%C3%AE-in-respiratory-syncytial-virus-bronchiolitis-rat-model
#1
Meng Gao, Liang-Xiao Liu, Fu-Ling Wu, Xuejing Zhang, Ying-Ying Li, Tao Shi, De-Zhi Li, Ting-Ting Han
Respiratory syncytial virus (RSV) is the leading cause of bronchiolitis and hospitalization that lead to high morbidity and mortality among young infants. T helper 17 (Th17) cells and regulatory T cells (Tregs) play essential roles in the pathogenesis of autoimmune, cancer, and inflammatory diseases. However, whether changes in T-cell subsets are related to the systemic immune responses in RSV-caused bronchiolitis merit further investigation. Three-week-old Sprague Dawley (SD) rats were randomly divided into the normal control (NC) and RSV bronchiolitis (RSV-B) groups...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29149720/a-robust-strategy-for-preparation-of-sequential-stimuli-responsive-block-copolymer-prodrugs-via-thiolactone-chemistry-to-overcome-multiple-anticancer-drug-delivery-barriers
#2
Wendong Ke, Wei Yin, Zengshi Zha, Jean Felix Mukerabigwi, Weijian Chen, Yuheng Wang, Chuanxin He, Zhishen Ge
Block copolymer prodrugs (BCPs) have attracted considerable attentions in clinical translation of nanomedicine owing to their self-assembly into well-defined core-shell nanoparticles for improved pharmacokinetics, stability in blood circulation without drug leakage, and optimized biodistribution. However, a cascade of physiological barriers against specific delivery of drugs into tumor cells limit the final therapeutic efficacy. Herein, we report a robust and facile strategy based on thiolactone chemistry to fabricate well-defined BCPs with sequential tumor pH-promoted cellular internalization and intracellular stimuli-responsive drug release...
November 9, 2017: Biomaterials
https://www.readbyqxmd.com/read/29149688/ultrahigh-sensitive-enhanced-electrochemiluminescence-detection-of-cancer-biomarkers-using-silica-nps-graphene-oxide-a-comparative-study
#3
Hamid Kooshki, Jamal Rashidiani, Mehdi Kamali, Hamid Sedighian, Mostafa Akbariqomi, Mansour Mansouri
The increasing progress in using nano-biomaterials for medical purposes has opened new horizons toward researchers around the globe. To investigate the presence of these nanomaterials and the impacts they might have, a comparative enhanced-electrochemiluminescence immunosensing study has been designed. The effects of utilizing graphene oxide, silica, and gold nanoparticles in cancer diagnosis were evaluated during the quantification of two major cancer biomarkers (CEA and AFP) in different approaches. In other words, first and second approaches were designed to employ nanomaterials while third and fourth approaches were developed in absence of those...
November 8, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29149687/pyrrolidinyl-pna-polypyrrole-silver-nanofoam-electrode-as-a-novel-label-free-electrochemical-mirna-21-biosensor
#4
Tawatchai Kangkamano, Apon Numnuam, Warakorn Limbut, Proespichaya Kanatharana, Tirayut Vilaivan, Panote Thavarungkul
A label-free electrochemical miRNA biosensor was developed based on a pyrrolidinyl peptide nucleic acid (acpcPNA)/polypyrrole (PPy)/silver nanofoam (AgNF) modified electrode. The AgNF was electrodeposited as redox indicator on a gold electrode, which was then functionalized with an electropolymerized layer of PPy, a conducting polymer, to immobilize the PNA probes. The fabrication process was investigated by electrochemical impedance spectroscopy. The biosensor was used to detect miRNA-21, a biomarker abnormally expressed in most cancers...
November 6, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29149663/%C3%AE-keto-tetrahydrofuran-lignan-glucosides-from-the-bangladeshi-medicinal-plant-terminalia-citrina-inhibit-estradiol-e2-induced-proliferation-in-cancer-cells
#5
Md Abdul Muhit, Kaoru Umehara, Hiroshi Noguchi
EtOAc extract from the leaves of Terminalia citrina collected in Bangladesh were separated, and seven previously undescribed α-keto tetrahydrofuran lignan glucosides (terminalosides Q to W) were isolated and characterized. NOESY analysis of (1)H NMR spectra and ECD spectroscopic data analysis revealed the absolute stereochemistry of the tetrahydrofuran ring of the isolated constituents as being a (7S,8R,8'S)- configuration in terminalosides Q to U and a (7R,8R,8'S)- configuration in terminalosides V and W...
November 14, 2017: Phytochemistry
https://www.readbyqxmd.com/read/29149658/evaluating-casama-contextualized-semantic-maps-for-summarization-of-lung-cancer-studies
#6
Jean I Garcia-Gathright, Nicholas J Matiasz, Carlos Adame, Karthik V Sarma, Lauren Sauer, Nova F Smedley, Marshall L Spiegel, Jennifer Strunck, Edward B Garon, Ricky K Taira, Denise R Aberle, Alex A T Bui
OBJECTIVE: It is crucial for clinicians to stay up to date on current literature in order to apply recent evidence to clinical decision making. Automatic summarization systems can help clinicians quickly view an aggregated summary of literature on a topic. Casama, a representation and summarization system based on "contextualized semantic maps," captures the findings of biomedical studies as well as the contexts associated with patient population and study design. This paper presents a user-oriented evaluation of Casama in comparison to a context-free representation, SemRep...
November 3, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29149612/cancer-evolution-no-room-for-negative-selection
#7
Samuel F Bakhoum, Dan A Landau
In this issue of Cell, Martincorena et al. and Campbell et al. interrogated the selection dynamics during tumor evolution using large-scale genomics datasets. They found that somatic mutations in cancer are largely neutral, highlighting a near-complete absence of negative selection. Neutral evolution enables tolerance of hypermutation, which defines a surprisingly large fraction of adult cancer.
November 16, 2017: Cell
https://www.readbyqxmd.com/read/29149611/core-clinical-data-elements-for-cancer-genomic-repositories-a-multi-stakeholder-consensus
#8
Robert B Conley, Dane Dickson, Jean Claude Zenklusen, Jennifer Al Naber, Donna A Messner, Ajlan Atasoy, Lena Chaihorsky, Deborah Collyar, Carolyn Compton, Martin Ferguson, Sean Khozin, Roger D Klein, Sri Kotte, Razelle Kurzrock, C Jimmy Lin, Frank Liu, Ingrid Marino, Robert McDonough, Amy McNeal, Vincent Miller, Richard L Schilsky, Lisa I Wang
The Center for Medical Technology Policy and the Molecular Evidence Development Consortium gathered a diverse group of more than 50 stakeholders to develop consensus on a core set of data elements and values essential to understanding the clinical utility of molecularly targeted therapies in oncology.
November 16, 2017: Cell
https://www.readbyqxmd.com/read/29149600/repair-of-uv-induced-dna-damage-independent-of-nucleotide-excision-repair-is-masked-by-mutyh
#9
Abdelghani Mazouzi, Federica Battistini, Sarah C Moser, Joana Ferreira da Silva, Marc Wiedner, Michel Owusu, Charles-Hugues Lardeau, Anna Ringler, Beatrix Weil, Jürgen Neesen, Modesto Orozco, Stefan Kubicek, Joanna I Loizou
DNA lesions caused by UV damage are thought to be repaired solely by the nucleotide excision repair (NER) pathway in human cells. Patients carrying mutations within genes functioning in this pathway display a range of pathologies, including an increased susceptibility to cancer, premature aging, and neurological defects. There are currently no curative therapies available. Here we performed a high-throughput chemical screen for agents that could alleviate the cellular sensitivity of NER-deficient cells to UV-induced DNA damage...
November 16, 2017: Molecular Cell
https://www.readbyqxmd.com/read/29149589/bond-with-me-if-you-can-natural-product-covalent-ligand-and-reactivity-based-probe-compete-for-cysteine-in-pp2a-complex
#10
Douglas S Johnson, Jaimeen D Majmudar
In this issue of Cell Chemical Biology, Grossman et al. (2017) disclose a chemoproteomics-enabled strategy to identify the cysteine-reactive target(s) of the anti-cancer natural product withaferin A and then screen a cysteine-reactive fragment library to discover a covalent ligand for the same target.
November 16, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/29149532/exploitation-of-micrornas-by-japanese-encephalitis-virus-in-human-microglial-cells
#11
Meghana Rastogi, Neha Srivastava, Sunit K Singh
JEV infection in CNS leads to the JE neuroinflammation. Children and old age individual have been reported to be more prone to JEV infection. MicroRNAs are endogenous, small non-coding RNAs, which regulate the gene expression. These are ∼22 nucleotide long, conserved RNA sequence that binds at the 3'UTR of a target mRNA and regulate the post-transcriptional gene expression. The role of microRNAs has been reported in several diseases like cancer, viral infection, neuro-degeneration, diabetes etc. In the present study, the human microglial cells were infected with JEV (JaOAr strain)...
November 17, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/29149525/top-10-research-priorities-in-head-and-neck-cancer-results-of-an-alberta-priority-setting-partnership-of-patients-caregivers-family-members-and-clinicians
#12
Leah A Lechelt, Jana M Rieger, Katherine Cowan, Brock J Debenham, Bernie Krewski, Suresh Nayar, Akhila Regunathan, Hadi Seikaly, Ameeta E Singh, Andreas Laupacis
BACKGROUND: The epidemiology, etiology, and management of head and neck cancer are evolving. Understanding the perspectives and priorities of nonresearchers regarding treatment uncertainties is important to inform future research. METHODS: Using the James Lind Alliance approach, patients, caregivers, and clinicians responded to a survey regarding their unanswered questions about treating and managing head and neck cancer. Distinct uncertainties were extracted from responses and sorted into themes...
November 17, 2017: Head & Neck
https://www.readbyqxmd.com/read/29149513/physicians-discuss-ramifications-of-studies-pointing-to-breast-cancer-overdiagnosis-new-research-under-way-attempts-to-better-define-who-should-be-screened-and-treated
#13
https://www.readbyqxmd.com/read/29149512/aacr-publishes-first-set-of-childhood-cancer-predisposition-screening-recommendations
#14
Carrie Printz
No abstract text is available yet for this article.
December 1, 2017: Cancer
https://www.readbyqxmd.com/read/29149504/mybl1-rearrangements-and-myb-amplification-in-breast-adenoid-cystic-carcinomas-lacking-the-myb-nfib-fusion-gene
#15
Jisun Kim, Felipe C Geyer, Luciano G Martelotto, Charlotte K Y Ng, Raymond S Lim, Pier Selenica, Anqi Li, Fresia Pareja, Nicola Fusco, Marcia Edelweiss, Rahul Kumar, Rodrigo Gularte-Merida, Andre N Forbes, Ekta Khurana, Odette Mariani, Sunil Badve, Anne Vincent-Salomon, Larry Norton, Jorge S Reis-Filho, Britta Weigelt
Breast adenoid cystic carcinoma (AdCC), a rare type of triple-negative breast cancer (TNBC), has been shown to be driven by MYB pathway activation, most often underpinned by the MYB-NFIB fusion gene. Alternative genetic mechanisms, such as MYBL1 rearrangements, have been reported in MYB-NFIB-negative salivary gland AdCCs. Here we report on the molecular characterization by massively parallel sequencing of four breast AdCCs lacking the MYB-NFIB fusion gene. In two cases, we identified MYBL1 rearrangements (MYBL1-ACTN1 and MYBL1-NFIB), which were associated with MYBL1 overexpression...
November 17, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/29149503/sexual-functioning-among-young-adult-cancer-patients-a-2-year-longitudinal-study
#16
Chiara Acquati, Brad J Zebrack, Anna C Faul, Leanne Embry, Christine Aguilar, Rebecca Block, Brandon Hayes-Lattin, David R Freyer, Steve Cole
BACKGROUND: Cancer-related sexual dysfunction has been reported among adolescents and young adults (AYAs); however, its prevalence over time has not been examined. This longitudinal study investigated sexual dysfunction in AYAs over the course of 2 years after the initial diagnosis. METHODS: Young adult patients (18-39 years old) completed the Medical Outcomes Study Sexual Functioning Scale within the first 4 months of their diagnosis (n = 123) and again 6 (n = 107) and 24 months later (n = 95)...
November 17, 2017: Cancer
https://www.readbyqxmd.com/read/29149493/impact-of-chronic-hepatitis-c-virus-infection-on-the-survival-of-patients-with-oropharyngeal-cancer
#17
Minas P Economides, Moran Amit, Parag S Mahale, Jeff J Hosry, Ying Jiang, Uddalak Bharadwaj, Erich M Sturgis, Harrys A Torres
BACKGROUND: Although an association between hepatitis C virus (HCV) infection and oropharyngeal cancers (OPCs) has been reported, to the authors' knowledge the clinical significance of this epidemiological finding remains unknown. Therefore, the authors analyzed the oncologic outcomes of HCV-infected patients with OPCs. METHODS: In this retrospective cohort study, all patients with OPCs who were seen at The University of Texas MD Anderson Cancer Center between January 2004 and December 2015 were reviewed...
November 17, 2017: Cancer
https://www.readbyqxmd.com/read/29149490/multilevel-heterogeneity-of-biliary-tract-cancers-may-affect-the-modelling-of-prognosis
#18
EDITORIAL
Vincenzo Cardinale, Guido Carpino
No abstract text is available yet for this article.
December 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29149478/hospital-quality-patient-risk-and-medicare-expenditures-for-cancer-surgery
#19
Sarah P Shubeck, Jyothi R Thumma, Justin B Dimick, Hari Nathan
BACKGROUND: Surgical resection is a cornerstone of curative-intent therapy for patients with solid organ malignancies. With increasing attention paid to the costs of surgical care, there is a new focus on variations in the costs of cancer surgery. This study evaluated the potential interactive effect of hospital quality and patient risk on expenditures for cancer resections. METHODS: With 100% Medicare claim data for 2010-2013, patients aged 65 to 99 years who had undergone cancer resection were identified...
November 17, 2017: Cancer
https://www.readbyqxmd.com/read/29149477/pathfinders-in-oncology-from-the-beginning-of-the-19th-century-to-the-inauguration-of-the-first-cancer-hospital-in-the-united-states
#20
Steven I Hajdu
The fields of medicine and oncology made substantial progress between 1800 and 1885. The first half of this period was dominated by the spectacular progress in physiology, cytology, histology, histopathology, and diagnostic microscopy. In the second half of the period, advancements in surgical techniques, anesthesia, asepsis, and laboratory medicine, including bacteriology, chemistry, and biochemistry, led to the development of medical specialties, including surgical pathology and surgical oncology. Although wars, revolutions, and socioeconomic upheavals interrupted the daily life of the populace, distinguished artists, scientists, and physicians continued, against all odds, to advance their field of interest...
November 17, 2017: Cancer
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