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Apolipoprotein E

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https://www.readbyqxmd.com/read/29777203/ginkgo-biloba-extracts-prevent-aortic-rupture-in-angiotensin-ii-infused-hypercholesterolemic-mice
#1
Xiao-Fang Huang, Song-Zhao Zhang, Ya-Yu You, Na Zhang, Hong Lu, Alan Daugherty, Xiao-Jie Xie
Abdominal aortic aneurysms (AAAs) are a chronic vascular disease characterized by pathological luminal dilation. Aortic rupture is the fatal consequence of AAAs. Ginkgo biloba extracts (GBEs), a natural herb extract widely used as food supplements, drugs, and cosmetics, has been reported to suppress development of calcium chloride-induced AAAs in mice. Calcium chloride-induced AAAs do not rupture, while angiotensin II (AngII)-induced AAAs in mice have high rate of aortic rupture, implicating potentially different mechanisms from calcium chloride-induced AAAs...
May 18, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29777060/protease-activated-receptor-1-inhibits-cholesterol-efflux-and-promotes-atherogenesis-via-cullin-3-mediated-degradation-of-the-abca1-transporter
#2
Somasundaram Raghavan, Nikhlesh K Singh, Arul M Mani, Gadiparthi N Rao
Although signaling of thrombin via its receptor protease-activated receptor 1 (Par1) is known to occur in atherothrombosis, its link to the actual pathogenesis of this condition is less clear. To better understand the role of thrombin-Par1 signaling in atherosclerosis, here we have studied their effects on cellular cholesterol efflux in mice. We found that by activating Par1 and cullin 3-mediated ubiquitination and degradation of ATP-binding cassette subfamily A member 1 (ABCA1), thrombin inhibits cholesterol efflux in both murine macrophages and smooth muscle cells...
May 18, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29776682/the-impact-of-apolipoprotein-e-alleles-on-cognitive-performance-in-patients-with-parkinson-s-disease
#3
Anna Pierzchlińska, Monika Białecka, Mateusz Kurzawski, Jarosław Sławek
Apolipoprotein E (ApoE) is a vital component of several lipoproteins and plays a major role in lipid metabolism. APOE gene comprises of three alleles determined by two single nucleotide polymorphisms (rs429358 and rs7412) resulting in the protein isoforms, among which ApoE4 is a confirmed risk factor for Alzheimer's Disease. However, the impact of APOE genotypes on Parkinson's Disease Dementia (PDD) is still inconclusive. The PDD diagnostic criteria are very inconsistent, and could be complemented with genetic factors...
May 5, 2018: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29772480/proteoglycan-4-regulates-macrophage-function-without-altering-atherosclerotic-lesion-formation-in-a-murine-bone-marrow-specific-deletion-model
#4
Joya E Nahon, Menno Hoekstra, Stefan R Havik, Peter J Van Santbrink, Geesje M Dallinga-Thie, Jan-Albert Kuivenhoven, Janine J Geerling, Miranda Van Eck
BACKGROUND AND AIMS: Proteoglycan 4 (Prg4) has a high structural similarity with the established atherosclerosis-modulating proteoglycan versican, but its role in atherogenesis is still unknown. Therefore, the impact of Prg4 deficiency on macrophage function in vitro and atherosclerosis susceptibility in vivo was investigated. METHODS: The presence and localization of Prg4 was studied in atherosclerotic lesions. Furthermore, the effect of Prg4 deficiency on macrophage foam cell formation, cholesterol efflux and lipopolysaccharide (LPS) response was determined...
May 5, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29770778/apolipoprotein-e-in-diet-induced-obesity-a-paradigm-shift-from-conventional-perception
#5
Kyriakos E Kypreos, Eleni A Karavia, Caterina Constantinou, Aikaterini Hatziri, Christina Kalogeropoulou, Eva Xepapadaki, Evangelia Zvintzou
Apolipoprotein E (APOE) is a major protein component of peripheral and brain lipoprotein transport systems. APOE in peripheral circulation does not cross blood brain barrier or blood cerebrospinal fluid barrier. As a result, peripheral APOE expression does not affect brain APOE levels and vice versa. Numerous epidemiological studies suggest a key role of peripherally expressed APOE in the development and progression of coronary heart disease while brain APOE has been associated with dementia and Alzheimer's disease...
November 1, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/29770230/the-influence-of-education-and-apolipoprotein-%C3%AE%C2%B5-4-on-mortality-in-community-dwelling-elderly-men-and-women
#6
Duke Appiah, Richard N Baumgartner
We investigated the risk of death in relation to the apolipoprotein ε 4 allele and evaluated how it interacts with education in 504 elderly adults (mean age 73 years, 65.3% women) who were enrolled in 1993 into the New Mexico Aging Process Study. During 9 years of follow-up, apolipoprotein ε 2 appeared to be associated with a lower risk for all-cause mortality (hazard ratio (HR) = 0.73, 95% confidence interval (CI): 0.30-1.71) compared to apolipoprotein ε 3 carriers in models adjusted for age, sociodemographic variables, medical conditions, adiposity, and lifestyle factors...
2018: Journal of Aging Research
https://www.readbyqxmd.com/read/29769419/heart-rate-reduction-with-ivabradine-in-the-early-phase-of-atherosclerosis-is-protective-in-the-endothelium-of-apoe-deficient-mice
#7
G Aquila, M B Morelli, F Vieceli Dalla Sega, F Fortini, P Nigro, C Caliceti, M Ferracin, M Negrini, A Pannuti, M Bonora, P Pinton, R Ferrari, P Rizzo
Ivabradine, a heart rate reducing agent, protects the vascular system by unidentified mechanisms. We sought to determine the effects of the treatment with ivabradine, started before plaque formation, on early transcriptional changes and endothelium lesions in regions of aorta subjected to disturbed blood flow. Six week-old apolipoprotein E-deficient (ApoE-/- ) mice, fed a low-fat diet, were treated with ivabradine to determine the effect on transcriptional changes (2-and 4-week treatment) and on lesions formation (19-week treatment) in the endothelium of the aortic arch...
February 2018: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29769126/polymorphism-and-plasma-levels-of-apolipoprotein-e-and-the-risk-of-aneurysmal-subarachnoid-hemorrhage-in-a-chinese-population-a-case-control-study
#8
Xiaofeng Liu, Weiwu Zhan, Qiumei Wu, Fengqing Wang, Bin Yang, Qishui Ou
BACKGROUND: Aneurysmal subarachnoid hemorrhage (aSAH) is the most common types of subarachnoid hemorrhage, which is a critical clinical problem with high morbidity, mortality, and economic impact. Recent studies have shown that APOE was a genetic risk factor of aSAH, however, the studies lack consistent conclusions and the evidence from Chinese Han population is rare. OBJECTIVE: To determine the relationship between APOE polymorphism and the incidence of aSAH in Chinese Fujian Han population and explore the possible mechanism of ApoE in the pathogenesis of aSAH...
May 16, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29758939/higher-blood-vitamin-c-levels-are-associated-with-reduction-of-apolipoprotein-e-e4-related-risks-of-cognitive-decline-in-women-the-nakajima-study
#9
Moeko Noguchi-Shinohara, Chiemi Abe, Sohshi Yuki-Nozaki, Chiaki Dohmoto, Ayaka Mori, Koji Hayashi, Syutaro Shibata, Yoshihisa Ikeda, Kenji Sakai, Kazuo Iwasa, Masami Yokogawa, Mai Ishimiya, Hiroyuki Nakamura, Hidehiro Yokoji, Kiyonobu Komai, Hiroyuki Nakamura, Masahito Yamada
BACKGROUND: Antioxidants like vitamins C and E may minimize the risk for Alzheimer's disease. OBJECTIVE: We examined whether vitamins C and E modify the apolipoprotein E (APOE) E4-related risks for developing cognitive decline. METHODS: We conducted a population-based prospective study including Japanese residents aged 65 years from Nakajima, Japan. The participants received an evaluation of cognitive function and underwent blood tests including tests for vitamins C and E levels and APOE phenotypes...
May 11, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29756962/impact-of-apoe2allele-on-lipid-profile-change-after-a-weight-loss-program
#10
Blanca Romero-Moraleda, Rocío Cupeiro Coto, Domingo González-Lamuño, Teresa Amigo, Barbara Szendrei, Miguel Ángel Rojo-Tirado, Francisco Javier Calderón, Ana Belén Peinado
BACKGROUND: apolipoprotein E (ApoE) polymorphism is a genetic determinant of lipid and lipoprotein levels and the risk for coronary heart disease. OBJECTIVE: to evaluate the impact of ApoE2allele in lipid plasma levels and the influence of a healthy hypocaloric diet plus a controlled physical activity on the lipid profile, we performed a study in a cohort of overweight and obese healthy subjects (Body Mass Index (BMI) between 25 and 34.9 kg·m-2). METHODS: one hundred eighty participants (96 women), aged 18-50 years participated in a 22 weeks weight loss intervention based on same dietary treatment and different controlled exercise programs...
March 1, 2018: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29756163/diagnostic-utility-of-18f-fluorodeoxyglucose-positron-emission-tomography-fdg-pet-in-asymptomatic-subjects-at-increased-risk-for-alzheimer-s-disease
#11
REVIEW
Alexander Drzezga, Daniele Altomare, Cristina Festari, Javier Arbizu, Stefania Orini, Karl Herholz, Peter Nestor, Federica Agosta, Femke Bouwman, Flavio Nobili, Zuzana Walker, Giovanni Battista Frisoni, Marina Boccardi
PURPOSE: To assess the clinical utility of 18F-Fluorodeoxyglucose positron emission tomography (FDG-PET) for detection of early signs of neurodegeneration in conditions of increased risk for Alzheimer's disease (AD) as defined by: subjective cognitive decline (SCD), evidence of cerebral amyloid-pathology, apolipoprotein E (APOE) ε4-positive genotype, or autosomal dominant forms of AD (ADAD) in asymptomatic stages. METHODS: A comprehensive literature search was conducted using the PICO model to extract evidence from relevant studies...
May 13, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29755576/cold-pressed-minke-whale-oil-reduces-circulating-ldl-vldl-cholesterol-lipid-oxidation-and-atherogenesis-in-apolipoprotein-e-deficient-mice-fed-a-western-type-diet-for-13-weeks
#12
Mari Johannessen Walquist, Svein Kristian Stormo, Bjarne Østerud, Edel O Elvevoll, Karl-Erik Eilertsen
Background: Long-chain n3-polyunsaturated fatty acids (LC n3-PUFA) are well known for their anti-inflammatory activity and their impact on cardiovascular disease. Cold-pressed whale oil (CWO) has half the amount of LC n3-PUFA compared to cod liver oil (CLO). Still, there has been observed more pronounced beneficial effects on cardiovascular disease markers from intake of CWO compared to intake of CLO in human intervention studies. Extracts from CWO deprived of fatty acids have also been shown to display antioxidative and anti-inflammatory effects in vitro...
2018: Nutrition & Metabolism
https://www.readbyqxmd.com/read/29753732/niacin-action-in-the-atherogenic-mixed-dyslipidemia-of-metabolic-syndrome-insights-from-metabolic-biomarker-profiling-and-network-analysis
#13
Martin Adiels, M John Chapman, Paul Robillard, Michel Krempf, Martine Laville, Jan Borén
BACKGROUND: Niacin as an adjunct to statin treatment to reduce cardiovascular risk is questioned. OBJECTIVE: To evaluate interrelationships between the effects of niacin on mixed dyslipidemia and a spectrum of metabolic and inflammatory biomarkers. METHODS: Obese, nondiabetic, hypertriglyceridemic males (n = 19) with low high-density lipoprotein-cholesterol levels received extended-release nicotinic acid for 8 weeks. Multiple biomarkers were measured using enzyme-linked immunosorbent assay, enzymatic/absorptiometric, or multiplex biochip assays...
March 29, 2018: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/29752420/role-of-apolipoprotein-e-in-%C3%AE-amyloidogenesis-isoform-specific-effects-on-protofibril-to-fibril-conversion-of-a%C3%AE-in-vitro-and-brain-a%C3%AE-deposition-in-vivo
#14
Yukiko Hori, Tadafumi Hashimoto, Hidetoshi Nomoto, Bradley T Hyman, Takeshi Iwatsubo
No abstract text is available yet for this article.
May 11, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29750429/computer-aided-diagnosis-with-radiogenomics-analysis-of-the-relationship-between-genotype-and-morphological-changes-of-the-brain-magnetic-resonance-images
#15
Chiharu Kai, Yoshikazu Uchiyama, Junji Shiraishi, Hiroshi Fujita, Kunio Doi
In the post-genome era, a novel research field, 'radiomics' has been developed to offer a new viewpoint for the use of genotypes in radiology and medicine research which have traditionally focused on the analysis of imaging phenotypes. The present study analyzed brain morphological changes related to the individual's genotype. Our data consisted of magnetic resonance (MR) images of patients with mild cognitive impairment (MCI) and Alzheimer's disease (AD), as well as their apolipoprotein E (APOE) genotypes...
May 10, 2018: Radiological Physics and Technology
https://www.readbyqxmd.com/read/29750162/screening-of-serum-protein-markers-for-avascular-osteonecrosis-of-femoral-head-differentially-expressed-after-treatment-with-yuanshi-shengmai-chenggu-tablets
#16
Peng Deng, Jianchun Zeng, Jie Li, Wenjun Feng, Jinlun Chen, Yirong Zeng
Avascular necrosis of the femoral head (ANFH) is an a frequently occurring orthopaedic disease with high morbidity. Traditional Chinese Medicine (TCM) Yuanshi Shengmai Chenggu Tablet is a valid prescription for treating steroid-induced femoral head necrosis. However, there are rare investigations about the serum protein marker expression after the acting of drugs on hormone and TCM. In the present study, we aimed to systematically discover and validate the serum biomarkers expression difference in patients with steroid-induced avascular necrosis of femoral head (SANFH) after taking Yuanshi Shengmai Chenggu Tablets (SANFH-TCM), so as to reveal the action mechanism of TCM from the molecular level by using isobaric tags for relative and absolute quantification (iTRAQ) with multiple reaction monitoring quantification...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29749489/effects-of-osteoprotegerin-tnfrsf11b-in-two-models-of-abdominal-aortic-aneurysms
#17
Emina Vorkapic, Anne Kunath, Dick Wågsäter
Osteoprotegerin (OPG), additionally termed tumor necrosis factor receptor superfamily member 11B, is produced by vascular smooth muscle cells (VSMCs) and endothelial cells in the vasculature, and its release may be modulated by pro‑inflammatory cytokines, including interleukin‑1β and tumor necrosis factor‑α. The present study investigated the effects of treatment with low‑dose human recombinant OPG on abdominal aortic aneurysm (AAA) development in mice. Mice were treated with 1 µg human recombinant OPG four times (or vehicle) for 2 weeks prior to inducing AAA...
April 27, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29746866/cav-1-promotes-atherosclerosis-by-activating-jnk-associated-signaling
#18
Dong-Xia Wang, Yong-Quan Pan, Bing Liu, Li Dai
The objective of the study is to calculate the role and underlying the molecular mechanisms of caveolin-1 (Cav-1) in atherosclerosis (AS). Cav-1 was mainly expressed in the endothelial cells of atherosclerotic lesions in both human patients and apolipoprotein E deficient (ApoE-/- ) mice. Cav-1 deficiency (Cav-1-/- ) attenuated high-fat diet (HFD)-induced atherosclerotic lesions in ApoE-/- mice, supported by the reduced aortic plaques. Cav-1-/- reduced the macrophage content and decreased the release of inflammation-related cytokines or chemokine in serum or abdominal aortas, accompanied with the inactivation of inhibitor κB kinase κ (IKKβ)/p65/IκBα signaling pathway...
May 7, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29745686/does-incipient-dementia-explain-normal-cognitive-decline-determinants-lothian-birth-cohort-1921
#19
Ruth A Sibbett, Tom C Russ, Alison Pattie, John M Starr, Ian J Deary
The presence of an apolipoprotein E (APOE) ε4 allele, lower physical fitness, smoking, and lower serum vitamin B-12 have been reported as contributing to poorer cognitive function in LBC1921 at age 79, after adjusting for childhood intelligence. Because incident dementia was not previously ascertained within LBC1921, it is possible that preclinical or unrecognized cases at age 79 influenced findings. Dementia cases arising over approximately 16 years of follow-up were determined by a consensus using evidence from electronic medical records, death certificates, and clinical reviews...
May 10, 2018: Psychology and Aging
https://www.readbyqxmd.com/read/29745376/corrigendum-epigallocatechin-3-gallate-ameliorates-atherosclerosis-and-modulates-hepatic-lipid-metabolic-gene-expression-in-apolipoprotein-e-knockout-mice-involvement-of-ttc39b
#20
Wei Wang, Zheng-Zhu Zhang, Yan Wu, Ru-Qing Wang, Jin-Wu Chen, Jing Chen, Yan Zhang, Ya-Jun Chen, Ming Geng, Zhong-Dong Xu, Min Dai, Jin-Hua Li, Li-Long Pan
[This corrects the article on p. 195 in vol. 9, PMID: 29593532.].
2018: Frontiers in Pharmacology
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