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https://www.readbyqxmd.com/read/28641369/markers-of-inflammation-and-incident-breast-cancer-risk-in-the-women-s-health-study
#1
Deirdre K Tobias, Akintunde O Akinkuolie, Paulette D Chandler, Patrick R Lawler, JoAnn E Manson, Julie E Buring, Paul M Ridker, Lu Wang, I-Min Lee, Samia Mora
Chronic inflammation may be a risk factor for breast cancer development and progression, yet which inflammatory biomarkers and pathways are relevant is unknown. The study included 27,071 Women's Health Study participants (mean, 54.5 years old) free of cancer and cardiovascular disease at enrollment (1992 to 1995) with baseline measures of four inflammatory biomarkers: high sensitivity C-reactive protein (hsCRP), fibrinogen, N-acetyl side-chains of acute phase proteins (GlycA), and soluble intercellular adhesion molecule-1 (sICAM-1)...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28641361/maternal-alcohol-use-disorder-and-risk-of-child-contact-with-the-justice-system-in-western-australia-a-population-cohort-record-linkage-study
#2
Katherine Hafekost, David Lawrence, Colleen O'Leary, Carol Bower, James Semmens, Stephen R Zubrick
BACKGROUND: Early contact with the justice system is associated with a multitude of negative outcomes across the life course. This includes an increased risk of ongoing justice contact, social disadvantage and marginalization, and mental health and substance use issues. Children whose mothers have an alcohol use disorder may be at risk of early justice system contact, and we sought to quantify this relationship in a Western Australian cohort. METHODS: This population cohort study made use of linked administrative data...
June 22, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28641311/characterisation-of-blood-derived-exosomal-htert-mrna-secretion-in-cancer-patients-a-potential-pan-cancer-marker
#3
Hadar Goldvaser, Anna Gutkin, Einat Beery, Yonatan Edel, Jardena Nordenberg, Ofir Wolach, Ester Rabizadeh, Orit Uziel, Meir Lahav
BACKGROUND: Telomerase (human telomerase reverse transcriptase (hTERT)) is considered a hallmark of cancer. The aim of our study was to evaluate the feasibility of the detection of hTERT transcripts in serum as a 'pan-cancer' diagnostic method. METHODS: Human telomerase reverse transcriptase mRNA levels were determined in serum and serum-derived exosomes from 133 patients with different malignancies and 45 healthy controls. In four patients hTERT mRNA levels were measured in different clinical stages...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641308/detection-of-phosphatidylserine-positive-exosomes-for-the-diagnosis-of-early-stage-malignancies
#4
Raghava Sharma, Xianming Huang, Rolf A Brekken, Alan J Schroit
BACKGROUND: There has been increasing interest in the detection of tumour exosomes in blood for cancer diagnostics. Most studies have focussed on miRNA and protein signatures that are surrogate markers for specific tumour types. Because tumour cells and tumour-derived exosomes display phosphatidylserine (PS) in their outer membrane leaflet, we developed a highly sensitive ELISA-based system that detects picogram amounts of exosomal phospholipid in plasma as a cancer biomarker. METHODS: This report describes the development of a highly specific and sensitive ELISA for the capture of PS-expressing tumour exosomes in the blood of tumour-bearing mice...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641307/human-equilibrative-nucleoside-transporter-1-gene-expression-is-associated-with-gemcitabine-efficacy-in-advanced-leiomyosarcoma-and-angiosarcoma
#5
Bruno Vincenzi, Silvia Stacchiotti, Paola Collini, Francesco Pantano, Carla Rabitti, Giuseppe Perrone, Michele Iuliani, Alfonso Baldi, Giuseppe Badalamenti, Roberta Sanfilippo, Daniele Santini, Andrea Onetti Muda, Alessandro Gronchi, Paolo Casali, Angelo Paolo Dei Tos, Giuseppe Tonini
BACKGROUND: The expression of human equilibrative nucleoside transporter 1 (hENT1), the major gemcitabine transporter into cells, has been thoroughly investigated as a predictive marker of response to gemcitabine in pancreatic cancer and biliary tract cancers. Since gemcitabine is widely used in the treatment of leiomyosarcoma and angiosarcoma, we investigated the correlation between hENT1 expression and gemcitabine efficacy in these sarcoma subtypes. METHODS: We retrospectively identified 71 patients affected by advanced angiosarcoma (26) or leiomyosarcoma (45) treated within five Italian referral centres for sarcoma; among them, 49 patients (15 angiosarcoma, 34 leiomyosarcoma) were treated with gemcitabine...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641285/role-of-glycyrrhizin-in-the-reduction-of-inflammation-in-diabetic-kidney-disease
#6
Vikram Thakur, Syeda Nargis, Mayra Gonzalez, Swetak Pradhan, Daniel Terreros, Munmun Chattopadhyay
BACKGROUND: Diabetic kidney disease (DKD) is one of the most debilitating complications of type 2 diabetes. Recent evidence suggests chronic inflammation to be one of the causal factors of DKD. The mechanisms entailed are not completely elucidated except that a variety of cytokines play a major role in this process. High mobility group box 1 (HMGB1) is a pro-inflammatory toll-like receptor-4 (TLR4)-binding cytokine that is involved in inflammation-associated gene expression. This investigation was designed to assess the involvement of HMGB1, TLR-4, and nuclear factor (NF)-κB in the development of DKD and to evaluate that whether blocking HMGB1 by its natural inhibitor Glycyrrhizin (GLC) can reduce the progression of the disease...
June 23, 2017: Nephron
https://www.readbyqxmd.com/read/28641241/influence-of-shoulder-kinematic-estimate-on-joint-and-muscle-mechanics-predicted-by-musculoskeletal-model
#7
Yoann Blache, Mickael Begon
Little information is available in the existing literature regarding the influence of the scapular kinematic estimate method on musculoskeletal analysis. This study aimed to assess the propagation of errors due to the method used for scapular kinematics reconstruction in the workflow of musculoskeletal modeling (joint kinematics, joint torques, muscle force and joint reaction force) in shoulder and upper-limb movements. Two participants performed functional (arm elevation and rotation), daily life (eating and reaching pants pockets) and sports movements (a simulated throwing maneuver)...
June 15, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28641140/effect-of-c1-inh-on-ischemia-reperfusion-injury-in-a-porcine-limb-ex-vivo-perfusion-model
#8
Mai M Abdelhafez, Jane Shaw, Damian Sutter, Jonas Schnider, Yara Banz, Hansjörg Jenni, Esther Voegelin, Mihai A Constantinescu, Robert Rieben
Revascularization of an amputated limb within 4-6h is essential to avoid extensive ischemia/reperfusion (I/R) injury leading to vascular leakage, edema and tissue necrosis. I/R injury is a pathological inflammatory condition that occurs during reperfusion of an organ or tissue after prolonged ischemia. It is characterized by a complex crosstalk between endothelial cell activation and the activation of plasma cascades. Vasculoprotective pharmacological intervention to prevent I/R injury might be an option to prolong the time window between limb amputation and successful replantation...
June 19, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28641136/age-exacerbates-abnormal-protein-expression-in-a-mouse-model-of-down-syndrome
#9
Md Mahiuddin Ahmed, Aaron Block, Suhong Tong, Muriel T Davisson, Katheleen J Gardiner
The Ts65Dn is a popular mouse model of Down syndrome (DS). It displays DS-relevant features of learning/memory deficits and age-related loss of functional markers in basal forebrain cholinergic neurons. Here we describe protein expression abnormalities in brain regions of 12-month-old male Ts65Dn mice. We show that the magnitudes of abnormalities of human chromosome 21 and non-human chromosome 21 orthologous proteins are greater at 12 months than at ∼6 months. Age-related exacerbations involve the number of components affected in the mechanistic target of rapamycin pathway, the levels of components of the mitogen-activated protein kinase pathway, and proteins associated with Alzheimer's disease...
May 10, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28640991/a-risk-algorithm-for-the-persistence-of-suicidal-thoughts-and-behaviors-during-college
#10
Philippe Mortier, Glenn Kiekens, Randy P Auerbach, Pim Cuijpers, Koen Demyttenaere, Jennifer G Green, Ronald C Kessler, Matthew K Nock, Alan M Zaslavsky, Ronny Bruffaerts
OBJECTIVE: The primary aims of this study are to (a) identify patterns of suicidal thoughts and behaviors (STB) during college among students with lifetime pre-matriculation STB and (b) develop a risk-screening algorithm for persistence of pre-matriculation STB during college. METHODS: Data come from the Leuven College Surveys, a series of prospective cohort studies of all incoming KU Leuven University freshmen. In the academic year 2012-2013, 4,889 incoming freshmen (73...
June 20, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28640941/phox2b-reliably-distinguishes-neuroblastoma-among-small-round-blue-cell-tumors
#11
Yin P Hung, John P Lee, Andrew M Bellizzi, Jason L Hornick
AIMS: Neuroblastoma shows considerable histologic overlap with other small round blue cell tumors. PHOX2B, a transcription factor essential for autonomic nervous system development, has been reported as an immunohistochemical marker for neuroblastoma. The purpose of this study was to validate the specificity and diagnostic utility of PHOX2B for peripheral neuroblastic tumors. METHODS AND RESULTS: We evaluated 240 cases (133 in whole-tissue sections; 107 in tissue microarrays), including 76 peripheral neuroblastic tumors [median age 2 years; including 4 adults] and 164 other tumors: 44 Wilms tumors; 20 Ewing sarcomas; 10 each CIC-rearranged round cell sarcomas, poorly differentiated synovial sarcomas, lymphoblastic lymphomas, alveolar rhabdomyosarcomas, embryonal rhabdomyosarcomas, mesenchymal chondrosarcomas, Merkel cell carcinomas, olfactory neuroblastomas, and melanomas; 5 each NUT midline carcinomas and desmoplastic small round cell tumors...
June 22, 2017: Histopathology
https://www.readbyqxmd.com/read/28640935/additive-effect-of-radiosensitization-by-2-deoxy-d-glucose-delays-dna-repair-kinetics-and-suppresses-cell-proliferation-in-oral-squamous-cell-carcinoma
#12
Mayumi Kawata, Kazuhiro Ogi, Koyo Nishiyama, Sho Miyamoto, Takafumi Nakagaki, Makoto Shimanishi, Akihiro Miyazaki, Hiroyoshi Hiratsuka
BACKGROUND: It has well known that, compared to normal cells, tumor cells have a different manner of energy metabolism, which influences the sensitivity of radiotherapy (RT). However, whether inhibition of glycolysis enhances the efficacy of radiotherapy is a matter of debate in oral squamous cell carcinoma (OSCC). The aim of this study was to characterize whether the combination of radiotherapy with the glucose inhibitor 2-deoxy-D-glucose (2-DG) affected DNA repair kinetics. METHODS: To compare the synergistic effect of 2-DG, we examined the cell survival after treatment with radiation, 2-DG and a combination of the two in 5 OSCC cell lines and one lip fibroblast cell line, determined using clonogenic survival assay...
June 22, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28640931/ischemia-responsive-protein-94-is-a-key-mediator-of-ischemic-neuronal-injury-induced-microglial-activation
#13
Rajiv Tikamdas, Sarthak Singhal, Ping Zhang, Justin A Smith, Eric G Krause, Stanley M Stevens, Sihong Song, Bin Liu
Neuroinflammation, especially activation of microglia, the key immune cells in the brain, has been proposed to contribute to the pathogenesis of ischemic stroke. However, the dynamics and the potential mediators of microglial activation following ischemic neuronal injury are not well understood. In this study, using oxygen/glucose deprivation and reoxygenation (OGD/R) with neuronal and microglial cell cultures as an in vitro model of ischemic neuronal injury, we set out to identify neuronal factors released from injured neurons that are capable of inducing microglial activation...
June 22, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28640899/normative-3d-opto-electronic-stereo-photogrammetric-posture-and-spine-morphology-data-in-young-healthy-adult-population
#14
Moreno D'Amico, Edyta Kinel, Piero Roncoletta
Observational cross-sectional study. The current study aims to yield normative data: i.e., the physiological standard for 30 selected quantitative 3D parameters that accurately capture and describe a full-skeleton, upright-standing attitude. Specific and exclusive consideration was given to three distinct categories: postural, spine morphology and pelvic parameters. To capture such 3D parameters, the authors selected a non-ionising 3D opto-electronic stereo-photogrammetric approach. This required the identification and measurement of 27 body landmarks, each specifically tagged with a skin marker...
2017: PloS One
https://www.readbyqxmd.com/read/28640888/mechanisms-of-acute-neurovascular-protection-with-at1-blockade-after-stroke-effect-of-prestroke-hypertension
#15
Ahmed Alhusban, Anna Kozak, Bindu Pillai, Heba Ahmed, Mohammed A Sayed, Maribeth H Johnson, Tauheed Ishrat, Adviye Ergul, Susan C Fagan
Stroke is a leading cause of adult disability worldwide. Improving stroke outcome requires an orchestrated interplay that involves up regulation of pro-survival pathways and a concomitant suppression of pro-apoptotic mediators. In this investigation, we assessed the involvement of eNOS in the AT1 blocker-mediated protective and pro-recovery effects in animals with hypertension. We also evaluated the effect of acute eNOS inhibition in hypertensive animals. To achieve these goals, spontaneously hypertensive rats (SHR) were implanted with blood pressure transmitters, and randomized to receive either an eNOS inhibitor (L-NIO) or saline one hour before cerebral ischemia induction...
2017: PloS One
https://www.readbyqxmd.com/read/28640885/phylogeography-of-a-tough-rock-survivor-in-european-dry-grasslands
#16
Daniela Listl, Peter Poschlod, Christoph Reisch
Phylogeographic analyses of plants in Europe have revealed common glacial refugia and migration routes for several trees and herbs with arctic-alpine distributions. The postglacial histories of dry grassland species in central Europe have rarely been analyzed, even though the extremely species-rich habitat is threatened. Sedum album (Crassulaceae) is a common inhabitant of rocky sites in central European dry grasslands. We inferred the phylogeographic history of S. album over its distribution range in Europe...
2017: PloS One
https://www.readbyqxmd.com/read/28640874/risk-factors-are-different-for-deep-and-lobar-remote-hemorrhages-after-intravenous-thrombolysis
#17
Luis Prats-Sanchez, Alejandro Martínez-Domeño, Pol Camps-Renom, Raquel Delgado-Mederos, Daniel Guisado-Alonso, Rebeca Marín, Laura Dorado, Salvatore Rudilosso, Alejandra Gómez-González, Francisco Purroy, Manuel Gómez-Choco, David Cánovas, Dolores Cocho, Moises Garces, Sonia Abilleira, Joan Martí-Fàbregas
BACKGROUND AND PURPOSE: Remote parenchymal haemorrhage (rPH) after intravenous thrombolysis is defined as hemorrhages that appear in brain regions without visible ischemic damage, remote from the area of ischemia causing the initial stroke symptom. The pathophysiology of rPH is not clear and may be explained by different underlying mechanisms. We hypothesized that rPH may have different risk factors according to the bleeding location. We report the variables that we found associated with deep and lobar rPH after intravenous thrombolysis...
2017: PloS One
https://www.readbyqxmd.com/read/28640858/early-growth-stages-salinity-stress-tolerance-in-cm72-x-gairdner-doubled-haploid-barley-population
#18
Tefera Tolera Angessa, Xiao-Qi Zhang, Gaofeng Zhou, Sue Broughton, Wenying Zhang, Chengdao Li
A doubled haploid (DH) population of barley (Hordeum vulgare L.) generated from salinity tolerant genotype CM72 and salinity sensitive variety Gairdner was studied for salinity stress tolerance at germination, seedling emergence and first leaf full expansion growth stages. Germination study was conducted with deionized water, 150 mM and 300 mM NaCl treatments. Seedling stage salinity tolerance was conducted with three treatments: control, 150 mM NaCl added at seedling emergence and first leaf full expansion growth stages...
2017: PloS One
https://www.readbyqxmd.com/read/28640843/metabolic-milieu-associates-with-impaired-skeletal-characteristics-in-obesity
#19
Heli T Viljakainen, Heikki A Koistinen, Taina Tervahartiala, Timo Sorsa, Sture Andersson, Outi Mäkitie
High leptin concentration, low-grade inflammation, and insulin resistance often coexist in obese subjects; this adverse metabolic milieu may be the main culprit for increased fracture risk and impaired bone quality seen in patients with type 2 diabetes. We examined the associations of leptin, hs (high sensitivity)- CRP and insulin resistance with bone turnover markers (BTMs) and bone characteristics in 55 young obese adults (median BMI 40 kg/m2) and 65 non-obese controls. Mean age of the subjects was 19.5 ± 2...
2017: PloS One
https://www.readbyqxmd.com/read/28640826/allele-specific-caps-marker-development-and-characterization-of-chalcone-synthase-gene-in-indian-mulberry-morus-spp-family-moraceae
#20
Vivek Arora, M K Ghosh, Soumili Pal, Gaurab Gangopadhyay
Chalcone synthase (CHS) is an essential enzyme in the phenylpropanoid pathway that catalyzes the first step in flavonoid biosynthesis in plants under diverse environmental stress. We have used CHS as a candidate gene in mulberry and developed Single Nucleotide Polymorphism (SNP) based co-dominant Cleaved Amplified Polymorphic Sequence (CAPS) marker associated with the CHS locus. The segregation pattern of the marker was studied in an F1 population derived from a hybridization program between two mulberry genotypes showing polymorphism for the CHS locus...
2017: PloS One
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