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https://www.readbyqxmd.com/read/29350259/diminished-expression-of-%C3%AE-2-gpi-is-associated-with-a-reduced-ability-to-mitigate-complement-activation-in-anti-gpiib-iiia-mediated-immune-thrombocytopenia
#1
Xiaolu Zhu, Jiamin Zhang, Qianming Wang, Haixia Fu, Yingjun Chang, Yuan Kong, Meng Lv, Lanping Xu, Kaiyan Liu, Xiaojun Huang, Xiaohui Zhang
Anti-GPIIb/IIIa-mediated complement activation has been reported to be important in the pathogenesis of immune thrombocytopenia (ITP). However, the role of the complement system and the involved regulatory mechanism remain equivocal. Beta2-glycoprotein I (β2-GPI), known as the main target for antiphospholipid autoantibodies, has been demonstrated as a complement regulator. Here, we investigated the complement-regulatory role of β2-GPI in anti-GPIIb/IIIa-mediated ITP. Plasma complement activation and enhanced complement activation capacity (CAC) were found in ITP patients with anti-GPIIb/IIIa antibodies in vivo and in vitro...
December 29, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29345585/mandatory-reporting-of-coronary-artery-calcifications-incidentally-noted-on-chest-multi-detector-computed-tomography-a-multicentre-experience
#2
Salvatore Cappabianca, Maria Paola Belfiore, Alfonso Reginelli, Raffaella Capasso, Alessandra Del Prete, Mario Petrillo, Paola Mascia, Claudia Rossi, Francesco Romano, Massimo De Filippo, Michele Scialpi, Felice Gragnano, Paolo Calabro, Giuseppe Belfiore, Luca Brunese, Roberto Grassi, Antonio Rotondo
BACKGROUND Coronary artery calcifications (CACs) are associated with coronary atherosclerosis and cardiovascular (CV) events. In "non-cardiovascular" settings, CACs can be easily detected on chest multi-detector computed tomography (MDCT). Their evaluation may help to better stratify CV risk in the general population, especially for primary prevention. AIMS We retrospectively evaluated the relationship between CAC distribution and CV risk, determined by Framingham Risk Score (FRS), in a cohort of patients who underwent chest MDCT performed for several clinical indications...
January 16, 2018: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/29345422/cantharidic-acid-induces-apoptosis-of-human-leukemic-hl-60-cells-via-c-jun-n-terminal-kinase-regulated-caspase-8-9-3-activation-pathway
#3
Shih-Chung Wang, Jyh-Ming Chow, Ming-Hsien Chien, Chiao-Wen Lin, Hui-Yu Chen, Pei-Ching Hsiao, Shun-Fa Yang
Cantharidin, a natural toxin from blister beetles, has shown potent anticancer activities on many solid tumor cells. Recently, cantharidin and its analogue, norcantharidin, were also shown to suppress nonsolid tumors such as chronic myeloid leukemia, acute myeloid leukemia (AML), and leukemic stem cells. However, there is no available information to address the effects of cantharidic acid (CAC), a hydrolysis product of cantharidin, on human AML cells. The present study showed that CAC, at a range of concentrations (0-20 μM), concentration-dependently inhibited cell proliferation in the HL-60 AML cell line...
January 18, 2018: Environmental Toxicology
https://www.readbyqxmd.com/read/29344269/early-and-partial-reduction-in-cd4-foxp3-regulatory-t-cells-during-colitis-associated-colon-cancer-induces-cd4-and-cd8-t-cell-activation-inhibiting-tumorigenesis
#4
Jonadab E Olguín, Itzel Medina-Andrade, Emmanuel Molina, Armando Vázquez, Thalia Pacheco-Fernández, Rafael Saavedra, Carlos Pérez-Plasencia, Yolanda I Chirino, Felipe Vaca-Paniagua, Luis E Arias-Romero, Emma B Gutierrez-Cirlos, Sonia A León-Cabrera, Miriam Rodriguez-Sosa, Luis I Terrazas
Colorectal cancer (CRC) is the second most commonly diagnosed cancer in women and the third in men in North America and Europe. CRC is associated with inflammatory responses in which intestinal pathology is caused by different cell populations including a T cell dysregulation that concludes in an imbalance between activated T (Tact) and regulatory T (Treg) cells. Treg cells are CD4+Foxp3+ cells that actively suppress pathological and physiological immune responses, contributing to the maintenance of immune homeostasis...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29343464/cardiorespiratory-fitness-coronary-artery-calcium-and-cardiovascular-disease-events-in-a-cohort-of-generally-healthy-middle-aged-men-results-from-the-cooper-center-longitudinal-study
#5
Nina B Radford, Laura F DeFina, David Leonard, Carolyn E Barlow, Benjamin L Willis, Larry W Gibbons, Susan C Gilchrist, Amit Khera, Benjamin D Levine
Background -A robust literature demonstrates that coronary artery calcification (CAC) and cardiorespiratory fitness (CRF) are independent predictors of cardiovascular disease (CVD) events. Much less is known about the joint associations of CRF and CAC with CVD risk. In the setting of high CAC, high versus low CRF has been associated with decreased CVD events. The goal of this study was to assess the impact of continuous levels of CRF on CVD risk in the setting of increasing CAC burden. Methods -We studied 8,425 men without clinical CVD who underwent preventive medicine examinations that included an objective measurement of CRF and CAC between 1998-2007...
January 17, 2018: Circulation
https://www.readbyqxmd.com/read/29339485/elevated-d-2-hydroxyglutarate-during-colitis-drives-progression-to-colorectal-cancer
#6
Jie Han, Dakota Jackson, Janette Holm, Kevin Turner, Paula Ashcraft, Xuan Wang, Beth Cook, Erland Arning, Robert M Genta, K Venuprasad, Rhonda F Souza, Lawrence Sweetman, Arianne L Theiss
d-2-hydroxyglutarate (D2HG) is produced in the tricarboxylic acid cycle and is quickly converted to α-ketoglutarate by d-2-hydroxyglutarate dehydrogenase (D2HGDH). In a mouse model of colitis-associated colon cancer (CAC), urine level of D2HG during colitis correlates positively with subsequent polyp counts and severity of dysplasia. The i.p. injection of D2HG results in delayed recovery from colitis and severe tumorigenesis. The colonic expression of D2HGDH is decreased in ulcerative colitis (UC) patients at baseline who progress to cancer...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29331986/sex-differences-in-impact-of-coronary-artery-calcification-to-predict-coronary-artery-disease
#7
Yoko M Nakao, Yoshihiro Miyamoto, Masahiro Higashi, Teruo Noguchi, Mitsuru Ohishi, Isao Kubota, Hiroyuki Tsutsui, Tomohiro Kawasaki, Yutaka Furukawa, Michihiro Yoshimura, Hideaki Morita, Kunihiro Nishimura, Akiko Kada, Yoichi Goto, Tomonori Okamura, Chuwa Tei, Hitonobu Tomoike, Hiroaki Naito, Satoshi Yasuda
OBJECTIVE: To assess sex-specific differences regarding use of conventional risks and coronary artery calcification (CAC) to detect coronary artery disease (CAD) using coronary CT angiography (CCTA). METHODS: The Nationwide Gender-specific Atherosclerosis Determinants Estimation and Ischemic Cardiovascular Disease Prospective Cohort study is a prospective, multicentre, nationwide cohort study. Candidates with suspected CAD aged 50-74 years enrolled from 2008 to 2012...
January 13, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29323748/the-gain-of-function-mutation-e76k-in-shp2-promotes-cac-tumorigenesis-and-induces-emt-via-the-wnt-%C3%AE-catenin-signaling-pathway
#8
Qian Zhang, Rongrong Zhao, Chuling Fan, Xinyi Wang, Youzhi Xu, Yakun Liu, Siying Wang
SHP2 is encoded by the protein tyrosine phosphatase 11 (Ptpn11) gene. Several gain-of-function (GOF) mutations in Ptpn11 have been identified in human hematopoietic malignancies and solid tumors. In addition, the mutation rate for SHP2 is the highest for colorectal cancer (CRC) among solid tumors. The E76K GOF mutation is the most common and active SHP2 mutation; however, the pathogenic effects and function of this mutation in CRC tumor progression have not been well characterized. The Wnt/β-catenin (CTNNB1) signaling pathway is crucial for CRC, and excessive activation of this pathway has been observed in several tumors...
January 11, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29322098/diuron-degradation-by-bacteria-from-soil-of-sugarcane-crops
#9
Tassia C Egea, Roberto da Silva, Maurício Boscolo, Janaina Rigonato, Diego A Monteiro, Danilo Grünig, Humberto da Silva, Frans van der Wielen, Rick Helmus, John R Parsons, Eleni Gomes
The isolation of microorganisms from soil impacted by xenobiotic chemicals and exposing them in the laboratory to the contaminant can provide important information about their response to the contaminants. The purpose of this study was to isolate bacteria from soil with historical application of herbicides and to evaluate their potential to degrade diuron. The isolation media contained either glucose or diuron as carbon source. A total of 400 bacteria were isolated, with 68% being Gram-positive and 32% Gram-negative...
December 2017: Heliyon
https://www.readbyqxmd.com/read/29317451/duration-of-diabetes-and-prediabetes-during-adulthood-and-subclinical-atherosclerosis-and-cardiac-dysfunction-in-middle-age-the-cardia-study
#10
Jared P Reis, Norrina B Allen, Michael P Bancks, J Jeffrey Carr, Cora E Lewis, Joao A Lima, Jamal S Rana, Samuel S Gidding, Pamela J Schreiner
OBJECTIVE: To determine whether the duration of diabetes and duration of prediabetes estimated during a 25-year period in early adulthood are each independently associated with coronary artery calcified plaque (CAC) and abnormalities in left ventricular structure and function later in life. RESEARCH DESIGN AND METHODS: Participants were 3,628 white and black adults aged 18-30 years without diabetes or prediabetes at baseline (1985-1986) in the Coronary Artery Risk Development in Young Adults (CARDIA) Study...
January 9, 2018: Diabetes Care
https://www.readbyqxmd.com/read/29310998/coronary-artery-calcifications-and-diastolic-dysfunction-versus-visceral-fat-area-in-type-1-diabetes-viscera-study
#11
Christophe E M De Block, Bharati Shivalkar, Wouter Goovaerts, Tim Brits, Ken Carpentier, An Verrijken, Viviane Van Hoof, Paul M Parizel, Chris Vrints, Luc F Van Gaal
AIMS: Type 1 diabetic patients (T1DM) experience a higher cardiovascular disease and mortality risk than controls. We investigated whether visceral adipose tissue (VAT) contributes to coronary artery calcifications (CAC) and cardiac dysfunction in T1DM. METHODS: A cross-sectional study of 118 T1DM patients without a history of cardiovascular disease (men/women: 68/50, age 46±12years, HbA1c 7.6±0.9%, BMI 25.8±4.1kg/m2) was conducted. CAC and VAT were measured using a CT scan...
November 28, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/29310535/associations-of-osteoprotegerin-with-coronary-artery-calcification-among-women-with-systemic-lupus-erythematosus-and-healthy-controls
#12
I G Poornima, K Shields, L H Kuller, S M Manzi, R Ramsey-Goldman, C Richardson, E Rhew, D D Dunlop, J Song, D Edmundowicz, G T Kondos, J J Carr, C B Langman, H Price, A H Chung, L B Santelices, R H Mackey
Objective We tested the hypothesis that higher circulating levels of osteoprotegerin (OPG) are related to higher levels of coronary artery calcification (CAC) among women with systemic lupus erythematosus (SLE) compared with healthy controls (HCs). Methods Among 611 women in two age- and race-matched SLE case-control studies, OPG was assayed in stored blood samples (HEARTS: plasma, n cases/controls = 122/124, and SOLVABLE: serum, n cases/controls = 185/180) and CAC was measured by electron beam computed tomography...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29305860/rvd1-inhibits-tnf%C3%AE-induced-c-myc-expression-in-normal-intestinal-epithelial-cells-and-destabilizes-hyper-expressed-c-myc-in-colon-cancer-cells
#13
Xiancai Zhong, Ha-Na Lee, Young-Joon Surh
Inflammatory bowel diseases, including ulcerative colitis and Crohn's disease, are persistent disorders that lead to development of colitis-associated cancer (CAC). Seeking the resolution of colitis has been addressed as a new therapeutic strategy to CAC. Resolvin D1 (RvD1) is an endogenous lipid mediator that is generated from docosahexaenoic acid during the resolution of inflammation. Although the pro-resolving effects of RvDs have been extensively investigated and well defined, the role for RvD1 in CAC remains largely unknown...
January 3, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29305347/maintenance-of-ideal-cardiovascular-health-and-coronary-artery-calcium-progression-in-low-risk-men-and-women-in-the-framingham-heart-study
#14
Shih-Jen Hwang, Oyere Onuma, Joseph M Massaro, Xiaoling Zhang, Yi-Ping Fu, Udo Hoffmann, Caroline S Fox, Christopher J O'Donnell
BACKGROUND: Ideal cardiovascular health (CVH) is associated with a lower risk of cardiovascular disease and freedom from coronary artery calcium (CAC). Prospective data on the association between maintenance of optimal CVH and the progression of subclinical coronary atherosclerosis are limited. We assessed the influence of unfavorable versus favorable CVH on the incidence of CAC progression. METHODS AND RESULTS: The study population consisted of 1119 FHS (Framingham Heart Study) participants who attended the serial FHS MDCT I and MDCT II study (Multi-Detector Computed Tomography) and had a zero Agatston CAC score at baseline...
January 2018: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29301531/evaluation-of-the-impact-of-glycemic-status-on-the-progression-of-coronary-artery-calcification-in-asymptomatic-individuals
#15
Ki-Bum Won, Donghee Han, Ji Hyun Lee, Sang-Eun Lee, Ji Min Sung, Su-Yeon Choi, Eun Ju Chun, Sung Hak Park, Hae-Won Han, Jidong Sung, Hae Ok Jung, Hyuk-Jae Chang
BACKGROUND: Data on the influence of glycemic status on the progression of coronary calcification, an important marker for future adverse cardiovascular events, are limited. METHODS: Data from the Korea Initiatives on Coronary Artery Calcification (KOICA) registry on 12,441 asymptomatic Korean adults (52 ± 9 years, 84.2% males) without previous history of coronary artery disease and stroke, who underwent serial coronary artery calcification (CAC) screening examinations, were included in this study...
January 4, 2018: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29294821/-victim-perpetrator-or-just-my-brother-sibling-sexual-abuse-in-large-families-a-child-advocacy-center-study
#16
Dafna Tener, Noam Tarshish, Shosh Turgeman
Sibling sexual abuse (SSA) is a continuum of childhood sexual behaviors that do not fit the category of age-appropriate curiosity. Although SSA may be the most prevalent and longest lasting form of intrafamilial sexual abuse-as well as the one with the worst repercussions-it is also the least reported, studied, and treated. Based on 100 mostly religious Jewish families referred to a child advocacy center (CAC) in Jerusalem from 2010 to 2015, this qualitative study examines SSA characteristics, dynamics, and perceptions of deviancy in multisibling subsystems...
July 1, 2017: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29288512/pretreatment-of-probiotic-bifico-ameliorates-colitis-associated-cancer-in-mice-transcriptome-and-gut-flora-profiling
#17
Huan Song, Weiyi Wang, Bo Shen, Hao Jia, Zhaoyuan Hou, Ping Chen, Yunwei Sun
Individuals with inflammatory bowel disease (IBD) are at a high risk for developing colitis-associated cancer (CAC). Strategies to block the process from IBD to CAC should be considered. In the experiment, we aim to explore the chemopreventive efficacy of the probiotic cocktail Bifico and its potential mechanism in azoxymethane (AOM) and dextran sodium sulphate (DSS) induced colitis-associated cancer in mice. Oral pretreatment of Bifico was adopted to evaluate its protective effect. The colorectums of thirty-five C57BL/6 mice were collected and examined for degree of inflammation and tumorigenesis...
December 30, 2017: Cancer Science
https://www.readbyqxmd.com/read/29285520/the-range-of-confidence-scales-does-not-affect-the-relationship-between-confidence-and-accuracy-in-recognition-memory
#18
Eylul Tekin, Henry L Roediger
Researchers use a wide range of confidence scales when measuring the relationship between confidence and accuracy in reports from memory, with the highest number usually representing the greatest confidence (e.g., 4-point, 20-point, and 100-point scales). The assumption seems to be that the range of the scale has little bearing on the confidence-accuracy relationship. In two old/new recognition experiments, we directly investigated this assumption using word lists (Experiment 1) and faces (Experiment 2) by employing 4-, 5-, 20-, and 100-point scales...
2017: Cognitive Research: Principles and Implications
https://www.readbyqxmd.com/read/29285251/abnormally-glycosylated-muc1-establishes-a-positive-feedback-circuit-of-inflammatory-cytokines-mediated-by-nf-%C3%AE%C2%BAb-p65-and-ezh2-in-colitis-associated-cancer
#19
Sandra Cascio, Jacque L Faylo, Joshua C Sciurba, Jia Xue, Sarangarajan Ranganathan, Jason J Lohmueller, Pamela L Beatty, Olivera J Finn
The abnormal hypoglycosylated form of the epithelial mucin MUC1 is over-expressed in chronic inflammation and on human adenocarcinomas, suggesting its potential role in inflammation-driven tumorigenesis. The presence of human MUC1 aggravates colonic inflammation and increases tumor initiation and progression in an in vivo AOM/DSS mouse model of colitis-associated cancer (CAC). High expression levels of pro-inflammatory cytokines, including TNF-α and IL-6, were found in MUC1+ inflamed colon tissues. Exogenous TNF-α promoted the transcriptional activity of MUC1 as well as over-expression of its hypoglycosylated form in intestinal epithelial cells (IECs)...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29281834/sting-dependent-signaling-underlies-il-10-controlled-inflammatory-colitis
#20
Jeonghyun Ahn, Sehee Son, Sergio C Oliveira, Glen N Barber
Intestinal immune homeostasis is preserved by commensal bacteria interacting with the host to generate a balanced array of cytokines that are essential for wound repair and for combatting infection. Inflammatory bowel disease (IBD), which can lead to colitis-associated cancer (CAC), is thought to involve chronic microbial irritation following a breach of the mucosal intestinal epithelium. However, the innate immune pathways responsible for regulating these inflammatory processes remain to be fully clarified...
December 26, 2017: Cell Reports
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