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https://www.readbyqxmd.com/read/28646901/effect-of-ezetimibe-add-on-therapy-over-52%C3%A2-weeks-extension-analysis-of-prospective-randomized-trial-research-study-in-type-2-diabetes-subjects
#1
Kentaro Sakamoto, Mitsunobu Kawamura, Takayuki Watanabe, Keiko Ashidate, Takahide Kohro, Akira Tanaka, Yasumichi Mori, Motoki Tagami, Tsutomu Hirano, Tsutomu Yamazaki, Teruo Shiba
BACKGROUND: Lowering cholesterol levels decreases the risk of atherosclerotic diseases. Effective ways to stably reduce LDL-C level are warranted in type 2 diabetic patients, a high-risk population for CVD, with various anti-diabetic therapeutic background. The RESEARCH study focuses on LDL-C reduction in this population along with modifications of the lipid profiles. We evaluated long-term ezetimibe add-on therapy in T2DM patients with hypercholesterolemia. METHODS: In a randomized, multicenter, open-label, prospective study, a total of 109 T2DM patients not attaining LDL-C target value despite first-line dose statin (10 mg of atorvastatin or 1 mg of pitavastatin) therapy in Japan were recruited...
June 24, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28646427/tanshinone-iia-attenuates-atherosclerosis-in-apolipoprotein-e-knockout-mice-infected-with-porphyromonas-gingivalis
#2
Yan Xuan, Yue Gao, Hao Huang, Xiaoxuan Wang, Yu Cai, Qing Xian Luan
Tanshinone IIA (TSA), a pharmacologically active component isolated from Danshen, may prevent cardiovascular diseases due to its anti-inflammatory, anti-oxidative, and anti-adipogenic effects. Porphyromonas gingivalis, a major periodontal pathogen, may contribute to the progression of atherosclerosis. Here, we studied the effects of TSA on atherosclerosis in ApoE(-/-) mice with P. gingivalis infection. Eight-week-old ApoE(-/-) mice were randomized to (a) phosphate-buffered saline (PBS), (b) P. gingivalis, and (c) P...
June 23, 2017: Inflammation
https://www.readbyqxmd.com/read/28646220/angiotensin-ii-synergizes-with-baff-to-promote-atheroprotective-regulatory-b-cells
#3
Padmapriya Ponnuswamy, Jeremie Joffre, Olivier Herbin, Bruno Esposito, Ludivine Laurans, Christoph J Binder, Thomas F Tedder, Lynda Zeboudj, Xavier Loyer, Andreas Giraud, Yujiao Zhang, Alain Tedgui, Ziad Mallat, Hafid Ait-Oufella
Angiotensin II (AngII) promotes hypertension, atherogenesis, vascular aneurysm and impairs post-ischemic cardiac remodeling through concerted roles on vascular cells, monocytes and T lymphocytes. However, the role of AngII in B lymphocyte responses is largely unexplored. Here, we show that chronic B cell depletion (Baffr deficiency) significantly reduces atherosclerosis in Apoe (-/-) mice infused with AngII. While adoptive transfer of B cells in Apoe (-/-) /Baffr (-/-) mice reversed atheroprotection in the absence of AngII, infusion of AngII in B cell replenished Apoe (-/-) /Baffr (-/-) mice unexpectedly prevented the progression of atherosclerosis...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28644867/host-derived-apolipoproteins-play-comparable-roles-with-viral-secretory-proteins-erns-and-ns1-in-the-infectious-particle-formation-of-flaviviridae
#4
Takasuke Fukuhara, Tomokazu Tamura, Chikako Ono, Mai Shiokawa, Hiroyuki Mori, Kentaro Uemura, Satomi Yamamoto, Takeshi Kurihara, Toru Okamoto, Ryosuke Suzuki, Kentaro Yoshii, Takeshi Kurosu, Manabu Igarashi, Hiroshi Aoki, Yoshihiro Sakoda, Yoshiharu Matsuura
Amphipathic α-helices of exchangeable apolipoproteins have shown to play crucial roles in the formation of infectious hepatitis C virus (HCV) particles through the interaction with viral particles. Among the Flaviviridae members, pestivirus and flavivirus possess a viral structural protein Erns or a non-structural protein 1 (NS1) as secretory glycoproteins, respectively, while Hepacivirus including HCV has no secretory glycoprotein. In case of pestivirus replication, the C-terminal long amphipathic α-helices of Erns are important for anchoring to viral membrane...
June 23, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28640987/independent-effects-of-apolipoprotein-e-and-cerebrovascular-burden-on-later-life-depression-the-wisconsin-longitudinal-study
#5
Rosanna G Scott, Daniel L Paulson
OBJECTIVE: Studies evaluating the effect of apolipoprotein E (APOE) on vascular depression are sparse, employ heterogeneous methods, and yield inconsistent results. One possibility is that APOE is a moderator of another predictor such as cerebrovascular burden. This longitudinal study examines the relationships between APOE, cerebrovascular burden, and depressive symptomatology in a large cohort sample from midlife to later life. METHODS: Data include 3,203 participants across 18 years (1993-2011) from the Wisconsin Longitudinal Study (baseline mean age = 53 years)...
June 20, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28632940/characterization-of-the-i4399m-variant-of-apolipoprotein-a-implications-for-altered-prothrombotic-properties-of-lipoprotein-a
#6
Corey A Scipione, Jackson T McAiney, Daniel J Simard, Zainab A Bazzi, Matthew Gemin, Rocco Romagnuolo, Fraser L Macrae, Robert A Ariëns, Robert A Hegele, Janeen Auld, James W Gauld, Michael B Boffa, Marlys L Koschinsky
BACKGROUND: Lipoprotein(a) (Lp(a)) is a causal risk factor for a variety of cardiovascular diseases. Apolipoprotein(a) (apo(a)), the distinguishing component of Lp(a), is homologous to plasminogen, suggesting that Lp(a) can interfere with the normal fibrinolytic functions of plasminogen. This has implications for the persistence of fibrin clots in the vasculature and hence to atherothrombotic diseases. A single nucleotide polymorphism (rs3798220) in the gene encoding apo(a) has been reported that results in an Ile to Met substitution in the protease-like domain (I4399M variant)...
June 20, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28630235/ultrasound-markers-of-carotid-atherosclerosis-and-cognition-the-northern-manhattan-study
#7
Hannah Gardener, Michelle R Caunca, Chuanhui Dong, Ying Kuen Cheung, Mitchell S V Elkind, Ralph L Sacco, Tatjana Rundek, Clinton B Wright
BACKGROUND AND PURPOSE: Ultrasound markers of carotid atherosclerosis may be related to cognitive status. We hypothesized that individuals with greater carotid intima-media thickness (cIMT) and carotid plaque burden would exhibit worse cognition. METHODS: One thousand one hundred sixty-six stroke-free participants from the NOMAS (Northern Manhattan Study) underwent carotid ultrasound and neuropsychological examination. Among them, 826 underwent a second neuropsychological examination an average of 5 years later...
June 19, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28629965/%C3%A2-cortical-atrophy-is-associated-with-accelerated-cognitive-decline-in-mild-cognitive-impairment-with-subsyndromal-depression
#8
Mitzi M Gonzales, Philip S Insel, Craig Nelson, Duygu Tosun, Niklas Mattsson, Susanne G Mueller, Simona Sacuiu, David Bickford, Michael W Weiner, R Scott Mackin
OBJECTIVES: To investigate the association between cognitive decline and cortical atrophy in individuals with mild cognitive impairment (MCI) and chronic subsyndromal symptoms of depression (SSD) over a 4-year period. DESIGN: Prospective cohort study. SETTING: Multicenter, clinic-based. PARTICIPANTS: Within the Alzheimer's Disease Neuroimaging Initiative repository, the Neuropsychiatric Inventory was used to identify individuals with MCI and stable endorsement (SSD group N = 32) or no endorsement (non-SSD group N = 69) of depressive symptoms across time points...
April 20, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28623677/incidence-of-cognitively-defined-late-onset-alzheimer-s-dementia-subgroups-from-a-prospective-cohort-study
#9
Paul K Crane, Emily Trittschuh, Shubhabrata Mukherjee, Andrew J Saykin, R Elizabeth Sanders, Eric B Larson, Susan M McCurry, Wayne McCormick, James D Bowen, Thomas Grabowski, Mackenzie Moore, Julianna Bauman, Alden L Gross, C Dirk Keene, Thomas E Bird, Laura E Gibbons, Jesse Mez
INTRODUCTION: There may be biologically relevant heterogeneity within typical late-onset Alzheimer's dementia. METHODS: We analyzed cognitive data from people with incident late-onset Alzheimer's dementia from a prospective cohort study. We determined individual averages across memory, visuospatial functioning, language, and executive functioning. We identified domains with substantial impairments relative to that average. We compared demographic, neuropathology, and genetic findings across groups defined by relative impairments...
June 14, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28619117/the-elevation-of-plasma-concentrations-of-apob-48-containing-lipoproteins-in-familial-hypercholesterolemia-is-independent-of-pcsk9-levels
#10
Jean-Philippe Drouin-Chartier, Jean-Charles Hogue, André J Tremblay, Jean Bergeron, Benoît Lamarche, Patrick Couture
BACKGROUND: Previous studies have reported high plasma concentrations of both intestinal apolipoprotein (apo) B-48-containing lipoproteins and PCSK9 in subjects with familial hypercholesterolemia (FH). However, the extent to which LDL receptor deficiency and PCSK9 levels influence plasma apoB-48 concentrations in humans remains to be fully characterized. The objective of the study was to assess the independent association between FH, PCSK9 concentrations and plasma apoB-48 levels in a large cohort of genetically defined FH heterozygotes (HeFH) and homozygotes (HoFH)...
June 15, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28615707/-99m-tc-labeled-bevacizumab-for-detecting-atherosclerotic-plaque-linked-to-plaque-neovascularization-and-monitoring-antiangiogenic-effects-of-atorvastatin-treatment-in-apoe-mice
#11
Hui Tan, Jun Zhou, Xiangdong Yang, Mieradilijiang Abudupataer, Xiao Li, Yan Hu, Jie Xiao, Hongcheng Shi, Dengfeng Cheng
Atherosclerotic neovascularization plays a significant role in plaque instability as it provides additional lipids and inflammatory mediators to lesions, and resulting in intraplaque hemorrhage. Vascular endothelial growth factor-A (VEGF-A) is considered the predominant proangiogenic factor in angiogenesis. Bevacizumab, a humanized monoclonal antibody, specifically binds to all VEGF-A isoforms with high affinity. Therefore, in this study, we designed (99m)Tc-MAG3-bevacizumab as a probe, and then investigated its usefulness as a new imaging agent for the detection of plaque neovessels, while also assessing the therapeutic effect of atorvastatin treatment...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28613873/the-drug-resistant-variant-p167s-expands-the-substrate-profile-of-ctx-m-%C3%AE-lactamases-for-oxyimino-cephalosporin-antibiotics-by-enlarging-the-active-site-upon-acylation
#12
Meha P Patel, Liya Hu, Vlatko Stojanoski, Banumathi Sankaran, B V Venkataram Prasad, Timothy Palzkill
β-Lactamases are enzymes produced by bacterial cells that provide resistance to β-lactam antibiotics. The CTX-M class of β-lactamases provides resistance against the antibiotic, cefotaxime, but not a related oxyimino-cephalosporin antibiotic, ceftazidime. β-lactamases that carry the P167S substitution, however, have been reported to provide ceftazidime resistance. The mechanism by which the P167S substitution expands the substrate profile of CTX-M enzymes is not known. In this study, CTX-M-14 was used as the model enzyme to study the structural changes caused by the P167S mutation that may accelerate ceftazidime turnover...
June 14, 2017: Biochemistry
https://www.readbyqxmd.com/read/28612377/apolipoprotein-e-genotype-impact-on-memory-and-attention-in-older-persons-the-moderating-role-of-personality-phenotype
#13
Benjamin P Chapman, Ralph H B Benedict, Feng Lin, Shumita Roy, Antoine Porteinsson, Kinga Szigeti, Howard Federoff, Mark Mapstone
OBJECTIVES: To determine if phenotypic personality traits modify the association of Apolipoprotein E (APOE) genotypes with different domains of cognitive function. DESIGN: Cross-sectional. METHODS: 172 non-demented older adults were administered the NEO-Five Factor Inventory (NEO-FFI), a battery of neuropsychological tests assessing memory, attention, executive function, language, and visuospatial ability, and underwent APOE genotyping. Multivariate (multiple-dependent variable) regression models predicting cognitive domains tested APOE interactions with personality traits, adjusting for age, sex, and education...
June 14, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28611258/independent-predictors-of-mortality-and-resource-utilization-in-viral-hepatitis-related-hepatocellular-carcinoma
#14
Pegah Golabi, Thomas Jeffers, Zahra Younoszai, Munkhzul Otgonsuren, Mehmet Sayiner, Alita Mishra, Chapy Venkatesan, Zobair Younossi
INTRODUCTION: Hepatitis B (HBV) and C viruses (HCV) are important causes of hepatocellular carcinoma (HCC). Our aim was to assess mortality and resource utilization of patients with HCC-related to HBV and HCV. MATERIAL AND METHODS: National Cancer Institute's Surveillance, Epidemiology and End Results (SEER)-Medicare linked database (2001-2009) was used. Medicare claims included patient demographic information, diagnoses, treatment, procedures, ICD-9 codes, service dates, payments, coverage status, survival data, carrier claims, and Medicare Provider Analysis and Review (MEDPAR) data...
August 1, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28603593/markers-of-inflammation-and-cardiovascular-disease-in-recently-diagnosed-celiac-disease-patients
#15
Walter F Tetzlaff, Tomás Meroño, Martin Menafra, Maximiliano Martin, Eliana Botta, Maria D Matoso, Patricia Sorroche, Juan A De Paula, Laura E Boero, Fernando Brites
AIM: To evaluate novel risk factors and biomarkers of cardiovascular disease in celiac disease (CD) patients compared with healthy controls. METHODS: Twenty adult patients with recent diagnosis of CD and 20 sex, age and body mass index-matched healthy controls were recruited during a period of 12 mo. Indicators of carbohydrate metabolism, hematological parameters and high sensitive C reactive protein were determined. Moreover, lipoprotein metabolism was also explored through evaluation of the lipid profile and the activity of cholesteryl ester transfer protein and lipoprotein associated phospholipase A2, which is also considered a specific marker of vascular inflammation...
May 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28602962/microrna-20a-b-regulates-cholesterol-efflux-through-post-transcriptional-repression-of-atp-binding-cassette-transporter-a1
#16
Bin Liang, Xin Wang, Xiaosu Song, Rui Bai, Huiyu Yang, Zhiming Yang, Chuanshi Xiao, Yunfei Bian
ATP-binding cassette transporter A1 (ABCA1) plays a crucial role in reverse cholesterol transport and exhibits anti-atherosclerosis effects. Some microRNAs (miRs) regulate ABCA1 expression, and recent studies have shown that miR-20a/b might play a critical role in atherosclerotic diseases. Here, we attempted to clarify the potential contribution of miR-20a/b in post-transcriptional regulation of ABCA1, cholesterol efflux, and atherosclerosis. We performed bioinformatics analysis and found that miR-20a/b was highly conserved and directly bound to ABCA1 mRNA with low binding free energy...
June 8, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28601670/oxidized-ldl-but-not-total-ldl-is-associated-with-hba1c-in-individuals-without-diabetes
#17
Débora Spessatto, Liz Marina Bueno Dos Passos Brum, Joíza Lins Camargo
OBJECTIVE: This study investigates the association between HbA1c, LDL and oxi-LDL in individuals without diabetes (DM). METHODS: One hundred and ninety-six individuals, without DM, were enrolled and divided into three groups according to HbA1c and fasting plasma glucose values. HbA1c, oxi-LDL, LDL, and other biochemical measurements of lipid profile were also carried out. RESULTS: oxi-LDL levels showed significant differences among all groups and group 3 presented higher values [34U/L (27-46); 44U/L (37-70); and 86U/L (49-136); p<0...
June 7, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28580917/crystal-structures-of-human-fabs-targeting-the-bexsero-meningococcal-vaccine-antigen-nhba
#18
Martina Maritan, Roberta Cozzi, Paola Lo Surdo, Daniele Veggi, Matthew James Bottomley, Enrico Malito
Neisserial heparin-binding antigen (NHBA) is a surface-exposed lipoprotein from Neisseria meningitidis and is a component of the meningococcus B vaccine Bexsero. As part of a study to characterize the three-dimensional structure of NHBA and the molecular basis of the human immune response to Bexsero, the crystal structures of two fragment antigen-binding domains (Fabs) isolated from human monoclonal antibodies targeting NHBA were determined. Through a high-resolution analysis of the organization and the amino-acid composition of the CDRs, these structures provide broad insights into the NHBA epitopes recognized by the human immune system...
June 1, 2017: Acta Crystallographica. Section F, Structural Biology Communications
https://www.readbyqxmd.com/read/28577292/a-dipeptidyl-peptidase-4-inhibitor-teneligliptin-decreases-plasma-triglyceride-rich-lipoprotein-remnants-in-diabetic-patients-with-chronic-kidney-disease-undergoing-hemodialysis
#19
Koichiro Homma, Joe Yoshizawa, Yutaka Shiina, Hideki Ozawa, Muneki Igarashi, Tadashi Matsuoka, Junichi Sasaki, Mamoru Yoshizawa, Yasuhiko Homma
OBJECTIVE: A high plasma level of remnant-like particle cholesterol (RLP-C), which is equivalent to triglyceride-rich lipoprotein remnant, is an important coronary risk marker. RLP-C level is high, independent of other plasma lipids, in patients with chronic kidney disease (CKD) undergoing hemodialysis. The effect of teneligliptin, a dipeptidyl peptidase (DPP)-4 inhibitor, on plasma levels of RLP-C in patients with diabetes mellitus and CKD under hemodialysis was studied. METHODS: Teneligliptin 20 mg/day was administered to 15 patients with diabetes and CKD undergoing hemodialysis for 12 weeks...
June 2, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28572914/sex-differences-in-the-development-of-vascular-and-renal-lesions-in-mice-with-a-simultaneous-deficiency-of-apoe-and-the-integrin-chain-itga8
#20
Ines Marek, Maurizio Canu, Nada Cordasic, Manfred Rauh, Gudrun Volkert, Fabian B Fahlbusch, Wolfgang Rascher, Karl F Hilgers, Andrea Hartner, Carlos Menendez-Castro
BACKGROUND: Apoe-deficient (Apoe(-/-)) mice develop progressive atherosclerotic lesions with age but no severe renal pathology in the absence of additional challenges. We recently described accelerated atherosclerosis as well as marked renal injury in Apoe(-/-) mice deficient in the mesenchymal integrin chain Itga8 (Itga8(-/-)). Here, we used this Apoe(-/-), Itga8(-/-) mouse model to investigate the sex differences in the development of atherosclerosis and concomitant renal injury. We hypothesized that aging female mice are protected from vascular and renal damage in this mouse model...
2017: Biology of Sex Differences
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