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https://www.readbyqxmd.com/read/28813465/long-term-persistent-infection-of-hpv-16-e6-up-regulate-sp1-and-htert-by-inhibiting-lkb1-in-lung-cancer-cells
#1
Jing-Hua Yang, Xiao-Yan Li, Xin Wang, Wei-Jian Hou, Xue-Shan Qiu, En-Hua Wang, Guang-Ping Wu
HPV 16 E6 upregulates hTERT expression in lung cancer cells. However, the underlying molecular mechanism is unclear. In this paper, E6, LKB1, SP1, and hTERT mRNA expression levels were detected in brushing cells of patients with lung cancer (n = 106) and with benign lung disease (n = 68) by qRT-PCR. The mRNA expression levels of E6, SP1, and hTERT were significantly increased in the malignant group compared with the benign group (P < 0.01). Conversely, the mRNA expression level of LKB1 was significantly decreased in the malignant group (P < 0...
2017: PloS One
https://www.readbyqxmd.com/read/28812529/approaches-to-evaluate-lung-inflammation-in-translational-research
#2
David K Meyerholz, Jessica C Sieren, Amanda P Beck, Heather A Flaherty
Inflammation is a common feature in several types of lung disease and is a frequent end point to validate lung disease models, evaluate genetic or environmental impact on disease severity, or test the efficacy of new therapies. Questions relevant to a study should be defined during experimental design and techniques selected to specifically address these scientific queries. In this review, the authors focus primarily on the breadth of techniques to evaluate lung inflammation that have both clinical and preclinical applications...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28811618/assessment-of-the-role-of-ageing-and-non-ageing-factors-in-death-from-non-communicable-diseases-based-on-a-cumulative-frequency-model
#3
Liu Hui
To quantify the effects of ageing and non-ageing factors, a characterization of the effects of ageing, genetic, and exogenous variables on 12 major non-communicable diseases was evaluated using a model assessing cumulative frequency of death and survival by age group from dead and surviving populations based on mortality statistics. Indices (0-1) of the roles of ageing (ARD), genetics (GRD) and exogenous (ERD) variables in deaths due to disease were established, and the sum of ARD, GRD and ERD was 1 (value of each indices was <1)...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811194/immunogenetic-studies-of-the-hepatitis-c-virus-infection-in-an-era-of-pan-genotype-antiviral-therapies-effective-treatment-is-coming
#4
Joel Henrique Ellwanger, Valéria de Lima Kaminski, Jacqueline Maria Valverde-Villegas, Daniel Simon, Vagner Ricardo Lunge, José Artur Bogo Chies
What are the factors that influence human hepatitis C virus (HCV) infection, hepatitis status establishment, and disease progression? Firstly, one has to consider the genetic background of the host and HCV genotypes. The immunogenetic host profile will reflect how each infected individual deals with infection. Secondly, there are environmental factors that drive susceptibility or resistance to certain viral strains. These will dictate (I) the susceptibility to infection; (II) whether or not an infected person will promote viral clearance; (III) the immune response and the response profile to therapy; and (IV) whether and how long it would take to the development of HCV-associated diseases, as well as their severity...
August 12, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28810563/dystrophia-myotonica-type-1-presenting-with-dysarthria-a-case-report-and-literature-review
#5
Chunrong Li, Xiaoling Zhang, Chunkui Zhou, Lijun Zhu, Kangding Liu, Shaokuan Fang
Dystrophia myotonica (DM) type 1 is an autosomal dominant disorder, caused by a trinucleotide CTG repeat expansion in the 3' untranslated region of the dystrophia myotonica protein kinase (DMPK) gene (chromosome 19q13.3). The disorder affects different organ systems, including the skeletal muscles, ocular lens, lungs, heart and gastrointestinal tract, as well as the endocrine and central nervous systems. The skeletal muscles are most frequently involved, whereby the disorder manifests as myotonia, muscle weakness and amyotrophy...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28808404/in-vitro-antioxidant-and-antiproliferative-activities-of-various-solvent-fractions-from-clerodendrum-viscosum-leaves
#6
Anil Khushalrao Shendge, Tapasree Basu, Dipankar Chaudhuri, Sourav Panja, Nripendranath Mandal
BACKGROUND: Free radicals such as reactive oxygen and nitrogen species, generated in the body, play an important role in the fulfillment of various physiological functions but their imbalance in the body lead to cellular injury and various clinical disorders such as cancer, neurodegenaration, and inflammation. OBJECTIVE: The objective of this study is to fight this problem, natural antioxidant from plants can be considered as possible protective agents against various diseases such as cancer which might also modify the redox microenvironment to reduce the genetic instability...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28808157/cytosolic-phospholipase-a2%C3%AE-promotes-pulmonary-inflammation-and-systemic-disease-during-streptococcus-pneumoniae-infection
#7
Rudra Bhowmick, Stacie Clark, Joseph V Bonventre, John M Leong, Beth A McCormick
Pulmonary infection by Streptococcus pneumoniae is characterized by a robust alveolar infiltration of neutrophils (polymorphonuclear cells or PMNs) that can promote systemic spread of the infection if not resolved. We previously showed that 12-lipoxygenase (12-LOX), which is required to generate the PMN chemoattractant hepoxilin A3 (HXA3) from arachidonic acid (AA), promotes acute pulmonary inflammation and systemic infection after lung challenge with S. pneumoniae As phospholipase A2 (PLA2) promotes the release of AA, we investigated the role of PLA2 in local and systemic disease during S...
August 14, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28807247/interleukins-as-new-prognostic-genetic-biomarkers-in-non-small-cell-lung-cancer
#8
Cristina Pérez-Ramírez, Marisa Cañadas-Garre, Ahmed Alnatsha, Miguel Ángel Molina, Ana I Robles, Eduardo Villar, Juan Ramón Delgado, María José Faus-Dáder, Miguel Ángel Calleja-Hernández
BACKGROUND: Surgery is the standard treatment for early-stage NSCLC, and platinum-based chemotherapy remains as the treatment of choice for advanced-stage NSCLC patients with naïve EGFR status. However, overall 5-years relative survival rates are low. Interleukins (ILs) are crucial for processes associated with tumor development. In NSCLC, IL1B, IL6, IL12A, IL13 and IL16 gene polymorphisms may contribute to individual variation in terms of patient survival. The purpose of this study was to evaluate the association between IL gene polymorphisms and survival in NSCLC patients...
September 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28806950/precision-medicine-approaches-to-lung-adenocarcinoma-with-concomitant-met-and-her2-amplification
#9
Doo-Yi Oh, Kyungsoo Jung, Ji-Young Song, Seokhwi Kim, Sang Shin, Yong-Jun Kwon, Ensel Oh, Woong-Yang Park, Sang Yong Song, Yoon-La Choi
BACKGROUND: Patient-derived xenograft (PDX) models are important tools in precision medicine and for the development of targeted therapies to treat cancer patients. This study aimed to evaluate our precision medicine strategy that integrates genomic profiling and preclinical drug-screening platforms, in order to personalize cancer treatments using PDX models. METHODS: We performed array-comparative genomic hybridization, microarray, and targeted next-generation sequencing analyses, in order to determine the oncogenic driver mutations...
August 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28805194/-lung-cancer-and-copd-growing-clinical-problem
#10
EDITORIAL
Michal Tyl, Joanna Domagała-Kulawik
A spread of the addiction of tobacco smoking is valued on near 1 billion of people in the world, that involves growing number of morbidity and mortality by the reason of smoke related diseases. Lung cancer and chronic obstructive pulmonary disease (COPD) are the most serious and incurable diseases which are leading to a permanent disability as well as to premature death. There are factors that naturally increase the vulnerability of an individual on the coincidence of above disorders, such as pathophysiological conditions, systemic inflammation, bronchitis, emphysema, respiratory obstructive disease and precise genetic predispositions for COPD and lung cancer...
July 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28802510/aortic-dilatation-associated-with-bicuspid-aortic-valve-relation-to-sex-hemodynamics-and-valve-morphology-the-national-heart-lung-and-blood-institute-sponsored-national-registry-of-genetically-triggered-thoracic-aortic-aneurysms-and-cardiovascular-conditions
#11
Mary J Roman, Norma L Pugh, Richard B Devereux, Kim A Eagle, Kathryn Holmes, Scott A LeMaire, Rita K Milewski, Shaine A Morris, Siddharth K Prakash, Reed E Pyeritz, William J Ravekes, Ralph V Shohet, Howard K Song, Federico M Asch
This study analyzed the impact of sex, hemodynamic profile, and valve fusion pattern on aortopathy associated with bicuspid aortic valve (BAV). The National Heart Lung and Blood Institute-sponsored National Registry of Genetically Triggered Thoracic Aortic Aneurysms and Cardiovascular Conditions (GenTAC) provided comprehensive information on a large population of well-characterized patients with BAV. Of 969 enrolled patients with BAV, 551 (57%, 77% male) had already undergone valvular and/or aortic surgery...
July 14, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28801919/familial-associations-of-female-breast-cancer-with-other-cancers
#12
Guoqiao Zheng, Hongyao Yu, Akseli Hemminki, Asta Försti, Kristina Sundquist, Kari Hemminki
Familial risks of breast cancer (BC) are well established but whether BC clusters with other, i.e. discordant, cancers is less certain but of interest for the identification of common genetic and possible environmental factors contributing to a general cancer susceptibility. We apply a novel approach to search for familial associations of BC with other (discordant) cancers based on the Swedish Family-Cancer Database. Relative risks (RRs) were calculated for BC in families with increasing numbers of patients with discordant cancer X, and conversely, familial RRs for cancer X in families with increasing numbers of BC patients...
August 12, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28798777/mesenchymal-stem-cells-promote-metastasis-of-lung-cancer-cells-by-downregulating-systemic-antitumor-immune-response
#13
Marina Gazdic, Bojana Simovic Markovic, Nemanja Jovicic, Maja Misirkic-Marjanovic, Valentin Djonov, Vladimir Jakovljevic, Nebojsa Arsenijevic, Miodrag L Lukic, Vladislav Volarevic
Since majority of systemically administered mesenchymal stem cells (MSCs) become entrapped within the lungs, we used metastatic model of lung cancer, induced by intravenous injection of Lewis lung cancer 1 (LLC1) cells, to investigate the molecular mechanisms involved in MSC-mediated modulation of metastasis. MSCs significantly augmented lung cancer metastasis, attenuate concentrations of proinflammatory cytokines (TNF-α, IL-17), and increase levels of immunosuppressive IL-10, nitric oxide, and kynurenine in sera of LLC1-treated mice...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28798540/growth-differentiation-factor-15-may-predict-mortality-of-peripheral-and-coronary-artery-diseases-and-correlate-with-their-risk-factors
#14
Lung-An Hsu, Semon Wu, Jyh-Ming Jimmy Juang, Fu-Tien Chiang, Ming-Sheng Teng, Jeng-Feng Lin, Hsuan-Li Huang, Yu-Lin Ko
Plasma GDF15 concentrations were measured in 612 Taiwanese individuals without overt systemic disease. Clinical parameters, GDF15 genetic variants, and 22 biomarker levels were analyzed. We further enrolled 86 patients with PAD and 481 patients with CAD, who received endovascular intervention and coronary angiography, respectively, to examine the role of GDF15 level in predicting all-cause mortality. Significant associations were found between GDF15 genotypes/haplotypes and GDF15 levels. The circulating GDF15 level was positively associated with age, smoking, hypertension, and diabetes mellitus as well as circulating levels of lipocalin 2 and various biomarkers of inflammation and oxidative stress...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28798322/luciferase-expression-allows-bioluminescence-imaging-but-imposes-limitations-on-the-orthotopic-mouse-4t1-model-of-breast-cancer
#15
V P Baklaushev, A Kilpeläinen, S Petkov, M A Abakumov, N F Grinenko, G M Yusubalieva, A A Latanova, I L Gubskiy, F G Zabozlaev, E S Starodubova, T O Abakumova, M G Isaguliants, V P Chekhonin
Implantation of reporter-labeled tumor cells in an immunocompetent host involves a risk of their immune elimination. We have studied this effect in a mouse model of breast cancer after the orthotopic implantation of mammary gland adenocarcinoma 4T1 cells genetically labelled with luciferase (Luc). Mice were implanted with 4T1 cells and two derivative Luc-expressing clones 4T1luc2 and 4T1luc2D6 exhibiting equal in vitro growth rates. In vivo, the daughter 4T1luc2 clone exhibited nearly the same, and 4T1luc2D6, a lower growth rate than the parental cells...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28796413/complex-genetic-control-of-lung-tumorigenesis-in-resistant-mice-strains
#16
Alice Dassano, Giulia Pintarelli, Chiara E Cotroneo, Angela Pettinicchio, Elena Forcati, Loris De Cecco, Andrea Borrego, Francesca Colombo, Tommaso A Dragani, Giacomo Manenti
The SM/J mouse strain is resistant to chemically induced lung tumorigenesis despite having a haplotype, in the pulmonary adenoma susceptibility locus (Pas1) locus, that confers tumor susceptibility in other strains. To clarify this inconsistent genotype-phenotype correlation, we crossed SM/J mice with another resistant strain and did genome-wide linkage analysis in the (C57BL/6J x SM/J)F2 progeny exposed to urethane to induce lung tumors. Overall, >80% of F2 mice of both sexes developed from 1 to 20 lung tumors...
August 10, 2017: Cancer Science
https://www.readbyqxmd.com/read/28794143/differential-diagnosis-of-granulomatous-lung-disease-clues-and-pitfalls-number-4-in-the-series-pathology-for-the-clinician-edited-by-peter-dorfm%C3%A3-ller-and-alberto-cavazza
#17
Shinichiro Ohshimo, Josune Guzman, Ulrich Costabel, Francesco Bonella
Granulomatous lung diseases are a heterogeneous group of disorders that have a wide spectrum of pathologies with variable clinical manifestations and outcomes. Precise clinical evaluation, laboratory testing, pulmonary function testing, radiological imaging including high-resolution computed tomography and often histopathological assessment contribute to make a confident diagnosis of granulomatous lung diseases. Differential diagnosis is challenging, and includes both infectious (mycobacteria and fungi) and noninfectious lung diseases (sarcoidosis, necrotising sarcoid granulomatosis, hypersensitivity pneumonitis, hot tub lung, berylliosis, granulomatosis with polyangiitis, eosinophilic granulomatosis with polyangiitis, rheumatoid nodules, talc granulomatosis, Langerhans cell histiocytosis and bronchocentric granulomatosis)...
September 30, 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28790396/a-novel-missense-variant-in-the-nuclear-localization-signal-of-pou4f3-causes-autosomal-dominant-non-syndromic-hearing-loss
#18
Yin-Hung Lin, Yi-Hsin Lin, Ying-Chang Lu, Tien-Chen Liu, Chien-Yu Chen, Chuan-Jen Hsu, Pei-Lung Chen, Chen-Chi Wu
Autosomal dominant non-syndromic hearing loss (ADNSHL) is genetically heterogeneous with more than 35 genes identified to date. Using a massively parallel sequencing panel targeting 159 deafness genes, we identified a novel missense variant of POU4F3 (c.982A>G, p.Lys328Glu) which co-segregated with the deafness phenotype in a three-generation Taiwanese family with ADNSHL. This variant could be classified as a "pathogenic variant" according to the American College of Medical Genetics and Genomics guidelines...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28790336/identifying-the-mirna-signature-associated-with-survival-time-in-patients-with-lung-adenocarcinoma-using-mirna-expression-profiles
#19
Srinivasulu Yerukala Sathipati, Shinn-Ying Ho
Lung adenocarcinoma is a multifactorial disease. MicroRNA (miRNA) expression profiles are extensively used for discovering potential theranostic biomarkers of lung cancer. This work proposes an optimized support vector regression (SVR) method called SVR-LUAD to simultaneously identify a set of miRNAs referred to the miRNA signature for estimating the survival time of lung adenocarcinoma patients using their miRNA expression profiles. SVR-LUAD uses an inheritable bi-objective combinatorial genetic algorithm to identify a small set of informative miRNAs cooperating with SVR by maximizing estimation accuracy...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28790179/high-prevalence-of-ccdc103-p-his154pro-mutation-causing-primary-ciliary-dyskinesia-disrupts-protein-oligomerisation-and-is-associated-with-normal-diagnostic-investigations
#20
Amelia Shoemark, Eduardo Moya, Robert A Hirst, Mitali P Patel, Evelyn A Robson, Jane Hayward, Juliet Scully, Mahmoud R Fassad, William Lamb, Miriam Schmidts, Mellisa Dixon, Ramila S Patel-King, Andrew V Rogers, Andrew Rutman, Claire L Jackson, Patricia Goggin, Bruna Rubbo, Sarah Ollosson, Siobhán Carr, Woolf Walker, Beryl Adler, Michael R Loebinger, Robert Wilson, Andrew Bush, Hywel Williams, Christopher Boustred, Lucy Jenkins, Eamonn Sheridan, Eddie M K Chung, Christopher M Watson, Thomas Cullup, Jane S Lucas, Priti Kenia, Christopher O'Callaghan, Stephen M King, Claire Hogg, Hannah M Mitchison
RATIONALE: Primary ciliary dyskinesia is a genetically heterogeneous inherited condition characterised by progressive lung disease arising from abnormal cilia function. Approximately half of patients have situs inversus. The estimated prevalence of primary ciliary dyskinesia in the UK South Asian population is 1:2265. Early, accurate diagnosis is key to implementing appropriate management but clinical diagnostic tests can be equivocal. OBJECTIVES: To determine the importance of genetic screening for primary ciliary dyskinesia in a UK South Asian population with a typical clinical phenotype, where standard testing is inconclusive...
August 8, 2017: Thorax
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