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De la Peña Sol, Santiago-Roque Isela, Olivo-Vidal Zendy, Navarro-Meza Mónica, Xochihua-Rosas Irene, Arroyo-Helguera Omar
Contaminated water with chlorates is a public health problem associated with iodine deficiency. Epidemiological evidence shows that iodine deficiency is a risk factor for preeclampsia (PE). In this study we use human BeWo trophoblast cells exposed to perchlorate (KClO4 ) and changes in gene expression were analyzed by microarrays, quantitative RT-PCR (qRT-PCR) and immunoblot. The microarray analysis identified 48 transcripts up-regulated and 112 down-regulated in comparison with non-exposed trophoblast. The qRT-PCR analysis confirmed changes in GAS7, PKP2, Emilin, Dynatic 3, protocadherins 11, 15, gamma A12, EGFR, SAFB1, ACE2, ANXA2, Apoliprotein E, SREBF1, and C/EBP-β...
August 2018: Toxicology in Vitro: An International Journal Published in Association with BIBRA
Valentina Peta, Chantal Tse, Hugo Perazzo, Mona Munteanu, Yen Ngo, An Ngo, Nittia Ramanujam, Lea Verglas, Maxime Mallet, Vlad Ratziu, Dominique Thabut, Marika Rudler, Vincent Thibault, Ina Schuppe-Koistinen, Dominique Bonnefont-Rousselot, Bernard Hainque, Françoise Imbert-Bismut, Michael Merz, Gerd Kullak-Ublick, Raul Andrade, Florian van Boemmel, Eckart Schott, Thierry Poynard
BACKGROUND: There is a clear need for better biomarkers of drug-induced-liver-injury (DILI). AIMS: We aimed to evaluate the possible prognostic value of ActiTest and FibroTest proteins apoliprotein-A1, haptoglobin and alpha-2-macroglobulin, in patients with DILI. METHODS: We analyzed cases and controls included in the IMI-SAFE-T-DILI European project, from which serum samples had been stored in a dedicated biobank. The analyses of ActiTest and FibroTest had been prospectively scheduled...
2017: PloS One
Alex Pizzini, Lukas Lunger, Egon Demetz, Richard Hilbe, Guenter Weiss, Christoph Ebenbichler, Ivan Tancevski
The beneficial effects of omega-3 polyunsaturated fatty acids (n-3 PUFAs) on cardiovascular disease have been studied extensively. However, it remains unclear to what extent n-3 PUFAs may impact Reverse Cholesterol Transport (RCT). RCT describes a mechanism by which excess cholesterol from peripheral tissues is transported to the liver for hepatobiliary excretion, thereby inhibiting foam cell formation and the development of atherosclerosis. The aim of this review is to summarize the literature and to provide an updated overview of the effects of n-3 PUFAs on key players in RCT, including apoliprotein AI (apoA-I), ATP-binding cassette transporter A1 (ABCA1), ABCG1, apoE, scavenger receptor class B type I (SR-BI), cholesteryl ester transfer protein (CETP), low-density lipoprotein receptor (LDLr), cholesterol 7 alpha-hydroxylase (CYP7A1) and ABCG5/G8...
October 6, 2017: Nutrients
Zheng-Feng Wu, Fan-Cheng Meng, Lan-Jie Cao, Cui-Hua Jiang, Meng-Ge Zhao, Xu-Lan Shang, Sheng-Zuo Fang, Wen-Cai Ye, Qing-Wen Zhang, Jian Zhang, Zhi-Qi Yin
Five previously undescribed compounds including two triterpenoid aglycones, 3β,23-dihydroxy-1,12-dioxo-olean-28-oic acid and 3β,23,27-trihydroxy-1-oxo-olean-12-ene-28-oic acid, and three triterpenoid glucosides cyclocarioside L-N, along with 17 known compounds were isolated from a CH3Cl-soluble extract of the leaves of Cyclocarya paliurus. Two 27-nor-triterpenoid glycosides were isolated from the genus for the first time. Furthermore, the characterized compounds were tested for the inhibitory effects on apoliprotein B48 secretion in Caco-2 cells...
October 2017: Phytochemistry
Mingxue Zhou, Ping Li, Qunfu Kang, Lei Zhang, Juju Shang, Weihong Liu, Hongxu Liu
BACKGROUND: Shen-Yuan-Dan Capsule (SYDC), a traditional Chinese medicine, is proposed to have the capacity to prevent angina pectoris. However, the effects and the related mechanisms of SYDC on atherosclerosis (AS) are still unknown. This study was designed to investigate the effects of SYDC on AS and inflammatory reaction in the apoliprotein E-knockout (ApoE(-/-)) mice fed with a high-fat diet. METHODS: Thirty eight-week-old male ApoE(-/-) mice were randomly divided into three groups (n = 10) 6 weeks after being fed with a high-fat diet: the control group, the lipitor group, and the SYDC group...
May 2017: Acta Cardiologica Sinica
Xing Liang, Li-Xia Yang, Ruiwei Guo, Yankun Shi, Xianhua Hou, Zhihua Yang, Xiaobin Zhou, Hong Liu
Extracellular matrix metalloproteinase inducer (EMMPRIN) reportedly has a key regulatory role in matrix metalloproteinase (MMP) activities and the progression of atherosclerosis. Statins, which are anti-atherosclerotic pharmacological agents, are widely applied in clinical settings. The aim of the present study was to investigate the pharmaceutical effect of atorvastatin on EMMPRIN expression in atherosclerotic plaques. An atherosclerotic mouse model was established using apoliprotein E-deficient (ApoE(-/-)) mice raised on a high-fat diet...
March 2017: Experimental and Therapeutic Medicine
Angelo Russo, Irene Pirisinu, Carmine Vacca, Elisa Reginato, Emilia Sbroma Tomaro, Roberto Pippi, Cristina Aiello, Vincenzo Nicola Talesa, Pierpaolo De Feo, Rita Romani
OBJECTIVE: Obesity has a great impact on cardiovascular morbidity and mortality, the treatment of this pathological state is important given the significant health consequences. Lifestyle and behaviour changes play a significant role in weight management. The purpose of this study was to investigate the impact of an intensive multidisciplinary lifestyle intervention on well-known atherogenic factors in a group of overweight and obese subjects. METHODS: A total of 44 people with overweight/obesity underwent a lifestyle intervention based on nutritional education, psychological support and a 3-month exercise training program with a frequency of twice a week...
January 2018: Obesity Research & Clinical Practice
Jie Tang, Dan Li, Lindsey Drake, Wenmin Yuan, Sara Deschaine, Emily E Morin, Rose Ackermann, Karl Olsen, David E Smith, Anna Schwendeman
apoA-I, apoA-I mimetic peptides, and their lipid complexes or reconstituted high-density lipoprotein (HDL) have been studied as treatments for various pathologies. However, consensus is lacking about the best method for administration, by intravenous (IV) or intraperitoneal (IP) routes, and formulation, as an HDL particle or in a lipid-free form. The objective of this study was to systematically examine peptide plasma levels, cholesterol mobilization, and lipoprotein remodeling in vivo following administration of lipid-free apoA-I peptide (22A) or phospholipid reconstituted 22A-sHDL by IV and IP routes...
January 2017: Journal of Lipid Research
Takuji Tanaka, Takeru Oyama, Shigeyuki Sugie, Masahito Shimizu
Hypercholesterolemia resulting in atherosclerosis is associated with an increased risk of ischemic heart disease and colorectal cancer (CRC). However, the roles of apoliprotein (Apo) E (Apoe) and low-density lipoprotein (Ldl) receptor (Ldlr) in colorectal carcinogenesis have not yet been investigated. In this study, we examined the susceptibility of Apoe-deficient and Ldlr-deficient mice, which are genetic animal models of atherosclerosis to azoxymethane (AOM)/dextran sodium sulfate (DSS)-induced colorectal carcinogenesis...
October 28, 2016: International Journal of Molecular Sciences
Asta Tvarijonaviciute, Jose J Ceron, Carlos de Torre, Blanka B Ljubić, Shelley L Holden, Yann Queau, Penelope J Morris, Josep Pastor, Alexander J German
BACKGROUND: Approximately 20 % of obese dogs have metabolic disturbances similar to those observed in human metabolic syndrome, a condition known as obesity-related metabolic dysfunction. This condition is associated with insulin resistance and decreased circulating adiponectin concentrations, but clinical consequences have not been reported. In order to define better the metabolic changes associated with obesity-related metabolic dysfunction (ORMD), we compared the plasma proteomes of obese dogs with and without ORMD...
September 20, 2016: BMC Veterinary Research
Roger A Moore, Young Pyo Choi, Mark W Head, James W Ironside, Robert Faris, Diane L Ritchie, Gianluigi Zanusso, Suzette A Priola
Aggregated and protease-resistant mammalian prion protein (PrPSc ) is the primary protein component of infectious prions. Enriched PrPSc preparations are often used to study the mechanisms that underly prion disease. However, most enrichment procedures are relatively nonspecific and tend to yield significant amounts of non-PrPSc components including various proteins that could confound functional and structural studies. It is thus important to identify these proteins and assess their potential relevance to prion pathogenesis...
December 2, 2016: Journal of Proteome Research
D Patel, A D Lunn, A D Smith, D J Lehmann, K L Dorrington
Concerns have been raised about the effects on cognition of anaesthesia for surgery, especially in elderly people. We recorded cognitive decline in a cohort of 394 people (198 women) with median (IQR) age at recruitment of 72.6 (66.6-77.8) years, of whom 109 had moderate or major surgery during a median (IQR) follow-up of 4.1 (2.0-7.6) years. Cognitive decline was more rapid in people who on recruitment were: older, p = 0.0003; male, p = 0.027; had worse cognition, p < 0.0001; or carried the ε4 allele of apoliprotein E (APOEε4), p = 0...
October 2016: Anaesthesia
Samih H Nasr, Surendra Dasari, Linda Hasadsri, Jason D Theis, Julie A Vrana, Morie A Gertz, Prasuna Muppa, Michael T Zimmermann, Karen L Grogg, Angela Dispenzieri, Sanjeev Sethi, W Edward Highsmith, Giampaolo Merlini, Nelson Leung, Paul J Kurtin
Amyloidosis is characterized by extracellular deposition of misfolded proteins as insoluble fibrils. Most renal amyloidosis cases are Ig light chain, AA, or leukocyte chemotactic factor 2 amyloidosis, but rare hereditary forms can also involve the kidneys. Here, we describe the case of a 61-year-old woman who presented with nephrotic syndrome and renal impairment. Examination of the renal biopsy specimen revealed amyloidosis with predominant involvement of glomeruli and medullary interstitium. Proteomic analysis of Congo red-positive deposits detected large amounts of the Apo-CII protein...
February 2017: Journal of the American Society of Nephrology: JASN
Ping Gan, Dong Jin, Xiuyun Zhao, Zhenqiu Gao, Shengying Wang, Peng Du, Gaofu Qi
Bacillus-produced surfactin can inhibit acute inflammation in vitro and in vivo. However, there is no report whether surfactin could inhibit chronic inflammation in the atherosclerotic lesions. Apoliprotein E deficient (ApoE(-/-)) mice (fed on atherogenic diet) were intragastrically administered with surfactin for 9 doses, then the athero-protective effect of surfactin was determined in vivo. The results showed surfactin could induce anti-inflammatory factors such as IgA, transforming growth factor (TGF)-β and interleukin (IL)-10 in the intestine...
June 2016: International Immunopharmacology
Yuanyuan Wang, Junli Hao, Xiaohong Liu, Hongxin Wang, Xin Zeng, Jing Yang, Lei Li, Xi Kuang, Tao Zhang
BACKGROUND: Hepatitis B virus (HBV) infection correlated with the development of cirrhosis, liver failure and hepatocellular carcinoma (HCC), poses a huge health burden on the global community. However, the pathogenesis of chronic hepatitis B (CHB) remains unclear. Apolipoprotein A1 (ApoA1) mainly secreted by hepatocytes, represents the major protein component of high-density lipoprotein. ApoA1 secretion may be disrupted by HBV infection. In this study, we mainly investigated the molecular mechanism of ApoA1 down regulated by HBV for revealing the pathogenesis of CHB...
March 25, 2016: Lipids in Health and Disease
Simon C Johnson, Xiao Dong, Jan Vijg, Yousin Suh
Aging is the single largest risk factor for chronic disease. Studies in model organisms have identified conserved pathways that modulate aging rate and the onset and progression of multiple age-related diseases, suggesting that common pathways of aging may influence age-related diseases in humans as well. To determine whether there is genetic evidence supporting the notion of common pathways underlying age-related diseases, we analyzed the genes and pathways found to be associated with five major categories of age-related disease using a total of 410 genomewide association studies (GWAS)...
October 2015: Aging Cell
Lucas Delmonico, Vivian Rabello Areias, Rodrigo César Pinto, Cintia Da Silva Matos, Marco Felipe Franco Rosa, Carolina Maria De Azevedo, Gilda Alves
Nipple aspirate fluid (NAF) requires investigation as a potential source of biomarkers for early diagnosis or risk assessment in breast cancer and other breast disorders. The present study demonstrated that proteins were easily extracted from dried NAF spots on Guthrie cards and were suitable for mass spectrometry analysis. NAF was obtained from 80 women, collected on Guthrie cards, between 2007 and 2010. The NAF-proteins were extracted from the card by incubating the card in water. These proteins were then quantified and separated using one-dimensional, 12% SDS-PAGE, gel electrophoresis and on high-resolution gradient gels at different concentrations (4-12, 8-16 and 4-20%)...
July 2015: Molecular Medicine Reports
Marek Chrapko, Adam Skwarzyński, Wacław Karakuła, Tomasz Zubilewicz
UNLABELLED: Deep venous thrombosis is widespread disease, which complications, like: pulmonary embolism and postphlebitis syndrome areimportant social problem. There are many well-known and accurately described risk factors, though in many cases etiology remains unexplained. Further research into causes of deep venous thrombosis seem to be fully justified. The aim of the study was the evaluation of the influence of apolipoprotein (a) serum level in patients with deep venous thrombosis and the changes of its concentration during the treatment...
November 2014: Polski Przeglad Chirurgiczny
V Castelletto, I W Hamley, M Reza, J Ruokolainen
The interaction of a designed bioactive lipopeptide C16-GGGRGDS, comprising a hexadecyl lipid chain attached to a functional heptapeptide, with the lipid-free apoliprotein, Apo-AI, is examined. This apolipoprotein is a major component of high density lipoprotein and it is involved in lipid metabolism and may serve as a biomarker for cardiovascular disease and Alzheimers' disease. We find via isothermal titration calorimetry that binding between the lipopeptide and Apo-AI occurs up to a saturation condition, just above equimolar for a 10...
January 7, 2015: Nanoscale
Weichao Jiang, Lei Zheng, Qianqian Yang, Zhouying Huang, Xiaobei Wang
BACKGROUND: Hepatitis B virus (HBV) infection poses a serious threat to human health, with China being one of the highly affected countries. However, the pathogenesis of chronic hepatitis B (CHB) is still unclear. Apolipoprotein A1 (ApoA1) which represents the major protein component of high-density lipoprotein is normally secreted by hepatocytes. When hepatocytes are infected with HBV may lead to the disruption of ApoA1 secretion. In this study, we investigated the effect of HBV on ApoA1 expression and preliminarily explored its molecular mechanism of regulation for revealing the pathogenesis of CHB...
2014: Lipids in Health and Disease
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