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Plaque Analysis

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https://www.readbyqxmd.com/read/28648011/-relationship-between-carotid-plaque-and-diabetic-retinopathy-in-type-2-diabetes-mellitus-patients
#1
Y Y Xiao, M K Yuan, P Xi, B Gao
Objective: To analyze the relevant factors for diabetic retinopathy. Methods: The data of type 2 diabetes mellitus patients undergoing general examination and ophthalmology specialist consultation were collected from the inpatients of Department of Endocrinology in Beijing Airport Hospital between 2013 and 2016, and the relevant factors of diabetic retinopathy were retrospectively analyzed. Results: A total of 432 cases were analyzed, including 168 cases of non-diabetic retinopathy and 264 cases of diabetic retinopathy...
June 27, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28646792/bacterial-profile-in-human-atherosclerotic-plaques
#2
Annika Lindskog Jonsson, Frida Fåk Hållenius, Rozita Akrami, Elias Johansson, Per Wester, Conny Arnerlöv, Fredrik Bäckhed, Göran Bergström
BACKGROUND AND AIMS: Several studies have confirmed the presence of bacterial DNA in atherosclerotic plaques, but its contribution to plaque stability and vulnerability is unclear. In this study, we investigated whether the bacterial plaque-profile differed between patients that were asymptomatic or symptomatic and whether there were local differences in the microbial composition within the plaque. METHODS: Plaques were removed by endarterectomy from asymptomatic and symptomatic patients and divided into three different regions known to show different histological vulnerability: A, upstream of the maximum stenosis; B, site for maximum stenosis; C, downstream of the maximum stenosis...
June 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28646499/the-association-between-oral-hygiene-and-periodontitis-a-systematic-review-and-meta-analysis
#3
REVIEW
Attawood Lertpimonchai, Sasivimol Rattanasiri, Sakda Arj-Ong Vallibhakara, John Attia, Ammarin Thakkinstian
OBJECTIVE: Dental plaque accumulation and inadequate personal oral hygiene (OH) are known major risk factors of periodontitis. Nevertheless, the magnitude of their effects has not yet been the subject of a meta-analysis. MATERIAL AND METHODS: The Medline and Scopus databases were searched up to May 2016. Observational studies were eligible if they assessed associations between OH and periodontitis in adult subjects. A multivariate random-effects meta-analysis was used to pool the effects of fair/poor OH versus good OH on periodontitis across studies...
June 23, 2017: International Dental Journal
https://www.readbyqxmd.com/read/28644968/serum-lipoprotein-associated-phospholipase-a2-predicts-the-formation-of-carotid-artery-plaque-and-its-vulnerability-in-anterior-circulation-cerebral-infarction
#4
Yuping Yang, Tao Xue, Juehua Zhu, Jiayi Xu, Xiaowei Hu, Penghao Wang, Tao Kong, Yan Yan, Lihui Yang, Shouru Xue
OBJECTIVE: Circulation inflammation markers such as high-sensitive C-reactive protein (hsCRP) and lipoprotein-associated phospholipase A2 (Lp-PLA2) are considered as predictors of cerebral and cardiac vascular diseases. However, the role of hsCRP and Lp-PLA2 in the anterior circulation cerebral infarction (ACI) is to be elaborated. PATIENTS AND METHODS: We included 100 patients with acute anterior circulation cerebral infarction (AaCI group) and 50 non-infarction subjects (control group)...
June 12, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28644210/frequency-domain-optical-coherence-tomography-plaque-morphology-in-stable-coronary-artery-disease-sex-differences
#5
Luca Mariani, Francesco Burzotta, Cristina Aurigemma, Andrea Romano, Giampaolo Niccoli, Antonio M Leone, Italo Porto, Carlo Trani, Filippo Crea
BACKGROUND: The cause for discrepancy in the clinical presentation and outcome of coronary artery disease (CAD) between men and women is not established. Different prevalences of risk factors or specific sex-related atherosclerotic aspects have been advocated as possible explanations. We investigated coronary plaque morphology looking at possible differences in plaque vulnerability between men and women with stable CAD. PATIENTS AND METHODS: We retrospectively collected and analyzed clinical data and coronary plaque morphology by frequency-domain optical coherence tomography in men and women with stable CAD...
June 21, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28642677/a-novel-workflow-combining-plaque-imaging-plaque-and-plasma-proteomics-identifies-biomarkers-of-human-coronary-atherosclerotic-plaque-disruption
#6
Regent Lee, Roman Fischer, Philip D Charles, David Adlam, Alessandro Valli, Katalin Di Gleria, Rajesh K Kharbanda, Robin P Choudhury, Charalambos Antoniades, Benedikt M Kessler, Keith M Channon
BACKGROUND: Atherosclerotic plaque rupture is the culprit event which underpins most acute vascular syndromes such as acute myocardial infarction. Novel biomarkers of plaque rupture could improve biological understanding and clinical management of patients presenting with possible acute vascular syndromes but such biomarker(s) remain elusive. Investigation of biomarkers in the context of de novo plaque rupture in humans is confounded by the inability to attribute the plaque rupture as the source of biomarker release, as plaque ruptures are typically associated with prompt down-stream events of myocardial necrosis and systemic inflammation...
2017: Clinical Proteomics
https://www.readbyqxmd.com/read/28642555/chlorhexidine-mouthwash-plaque-levels-and-gingival-health
#7
Derek Richards
Data sourcesCochrane Oral Health's Trials Register; Cochrane Central Register of Controlled Trials (CENTRAL) Medline; clinicaltrials.gov and the World Health Organization International Clinical Trials Registry Platform. There were no language or date restrictions on searches.Study selectionRandomised controlled trials (RCTs) assessing the effects of chlorhexidine mouthrinse used as an adjunct to mechanical oral hygiene procedures for at least four weeks on gingivitis in children and adults.Data extraction and synthesisTwo reviewers independently abstracted data and assessed risk of bias...
June 23, 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28642553/effect-of-essential-oil-mouthwashes-on-plaque-and-gingivitis
#8
Derek Richards
Data sourcesMedline, Embase, LILACS and Scopus database.Study selectionStudies were screened independently by three reviewers. Randomised controlled trials with a minimum of six months follow-up of daily use of essential oils-containing (EO) mouthwashes compared with placebo, flossing or cetylpyridinium chloride (CPC) as adjuncts to mechanical plaque control were considered.Data extraction and synthesisData were abstracted by two reviewers and study quality assessed using the Cochrane risk of bias tool. Dental plaque was summarised using the Turesky modification of the Quigley-Hein Index (QHI), gingivitis using three indices; the Gingival Index (GI) by Loe and Silness, the Modified Gingival Index (MGI) and bleeding upon probing...
June 23, 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28641562/structural-characterization-of-amyloid-%C3%AE-17-42-dimer-by-potential-of-mean-force-analysis-insights-from-molecular-dynamics-simulations
#9
Mary Dutta, Rajkalyan Chutia, Venkata Satish Kumar Mattaparthi
Recent experiments with Amyloid β1-42 peptide have indicated that the initial dimerization of Aβ1-42 monomers to form amyloid dimers stand out as a key event in the generation of toxic oligomers. However, the structural characterization of Aβ1-42 dimer at the atomistic level and the dimerization mechanism by which Aβ1-42 peptides co-aggregate still remains not clear. In the present study, the process of Aβ17-42 peptide dimerization which is known to play an important role in the plaque formation was evaluated in terms of potential of mean force, which provided free energies along the reaction coordinates...
June 20, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28639099/erratum-to-intravascular-ultrasound-elastography-analysis-of-the-elastic-mechanical-properties-of-atherosclerotic-plaque
#10
Zhaohuan Li, Lin Wang, Xiaobo Hu, Pengfei Zhang, Yifei Chen, Xinxin Liu, Mingjun Xu, Haijun Su, Mei Zhang
No abstract text is available yet for this article.
June 21, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28636260/lichenoid-keratosis-is-frequently-misdiagnosed-as-basal-cell-carcinoma
#11
D Maor, C Ondhia, L L Yu, J J Chan
Lichenoid keratosis (LK), also known as benign lichenoid keratosis or lichen planus-like keratosis, is a solitary, pink to red-brown scaly plaque representing a host immunological response to a variety of precursor lesions. LK is often misdiagnosed as a dermatological malignancy owing to its clinical resemblance to basal cell carcinoma (BCC) or Bowen disease. We performed a retrospective analysis of the pathology records of a series of LK lesions with reference to the demographic features and accuracy of clinical diagnosis...
June 21, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28635311/type-d-personality-but-not-type-a-behavior-pattern-is-associated-with-coronary-plaque-vulnerability
#12
Ping Lin, Ling Li, Yini Wang, Zhenjuan Zhao, Guojie Liu, Wei Chen, Hui Tao, Xueqin Gao
Personality traits are associated with major adverse coronary events (MACE) in patients with coronary artery disease (CAD). However, the link between personality traits and intravascular morphology in CAD patients is poorly understood. This study investigated the relationship between personality traits, specifically Type A behavior pattern and Type D personality, and plaque vulnerability. After adjustment for demographic and clinical factors, multivariable regression analysis showed no association between Type A and optical coherence tomography indices...
June 21, 2017: Psychology, Health & Medicine
https://www.readbyqxmd.com/read/28634750/t135i-substitution-in-the-nonstructural-protein-2c-enhances-foot-and-mouth-disease-virus-replication
#13
Tiangang Yuan, Haiwei Wang, Chen Li, Decheng Yang, Guohui Zhou, Li Yu
The foot-and-mouth disease virus (FMDV) nonstructural protein 3A plays an important role in viral replication, virulence, and host range. It has been shown that deletions of 10 or 19-20 amino acids in the C-terminal half of 3A attenuate serotype O and C FMDVs, which replicate poorly in bovine cells but normally in porcine-derived cells, and the C-terminal half of 3A is not essential for serotype Asia1 FMDV replication in BHK-21 cells. In this study, we constructed a 3A deletion FMDV mutant based on a serotype O FMDV, the wild-type virus O/YS/CHA/05, with a 60-amino acid deletion in the 3A protein sequence, between residues 84 and 143...
June 20, 2017: Virus Genes
https://www.readbyqxmd.com/read/28631604/vaccinia-virus-egress-mediated-by-virus-protein-a36-is-reliant-on-the-f12-protein
#14
David C J Carpentier, Alexander Van Loggerenberg, Nele M G Dieckmann, Geoffrey L Smith
Egress of vaccinia virus from its host cell is mediated by the microtubule-associated motor kinesin-1, and three viral proteins, A36 and the F12/E2 complex, have been implicated in this process. Deletion of F12 expression causes a more severe reduction in egress than deletion of A36 but whether these proteins are involved in the same or different mechanisms of kinesin-1 recruitment is unknown. Here it is shown that a virus lacking both proteins forms a smaller plaque than mutants lacking either gene alone, indicating non-redundant functions...
June 20, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28630603/elevated-il-37-levels-in-the-plasma-of-patients-with-severe-coronary-artery-calcification
#15
Meng Chai, Hai-Tao Zhang, Yu-Jie Zhou, Qing-Wei Ji, Qing Yang, Yu-Yang Liu, Ying-Xin Zhao, Dong-Mei Shi, Wei Liu, Li-Xia Yang, Lin-Lin Zhang, Jing Liang
BACKGROUND: Coronary artery calcification (CAC) is a predictor of cardiovascular events and plaque burden and is closely associated with chronic inflammation. Interleukin (IL)-37 is a newly discovered member of the IL-1 family and is considered an anti-inflammatory cytokine. Our recent study on mice indicated that IL-37 could attenuate atherosclerosis and vascular calcification, which suggests that IL-37 could be associated with the development of atherosclerosis and related diseases...
May 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28630497/chronic-treatment-with-a-smart-antioxidative-nanoparticle-for-inhibition-of-amyloid-plaque-propagation-in-tg2576-mouse-model-of-alzheimer-s-disease
#16
Phetcharat Boonruamkaew, Pennapa Chonpathompikunlert, Long Binh Vong, Sho Sakaue, Yasushi Tomidokoro, Kazuhiro Ishii, Akira Tamaoka, Yukio Nagasaki
The present study aimed to assess whether our newly developed redox nanoparticle (RNP(N)) that has antioxidant potential decreases Aβ levels or prevents Aβ aggregation associated with oxidative stress. The transgenic Tg2576 Alzheimer's disease (AD) mice were used to investigate the effect of chronic ad libitum drinking of RNP(N) solution for 6 months, including memory and learning functions, antioxidant activity, and amyloid plaque aggregation. The results showed that RNP(N)-treated mice had significantly attenuated cognitive deficits of both spatial and non-spatial memories, reduced oxidative stress of lipid peroxide, and DNA oxidation...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28629625/what-exactly-regression-of-atherosclerosis-or-foreign-body-reaction-with-hyaline-arteriosclerosis-drives-transient-scaffolding-of-coronary-arteries-a-pooled-analysis-of-observational-absorb-studies-with-a-serial-multimodality-imaging-substudy-of-absorb-cohort
#17
Alexander N Kharlamov, John A Feinstein, John A Cramer, John A Boothroyd
OBJECTIVES: We aimed to estimate the trends of the artery remodeling after transient scaffolding. BACKGROUND: At least 2.62% reduction of the per cent atheroma volume (PAV) or plaque burden (PB) performed in ABSORB B trial at 60months. METHODS: The detailed multiple serial imaging evaluation was performed by intravascular ultrasound (IVUS) in comparison with quantitative coronary angiography (QCA), multislice CT (MSCT) and optical coherence tomography (OCT) thru 24months in the ABSORB cohort B1 trial (n=45) with the pooled analysis in ABSORB A and B trials (n=131)...
June 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28627865/the-value-of-color-doppler-ultrasound-in-the-diagnosis-of-lower-extremity-vascular-disease-in-type-2-diabetes-and-an-analysis-of-related-factors
#18
Le Jiang, Yuehua Zhao
BACKGROUND: The aim of this paper is to explore the application and clinical significance of color Doppler ultrasound (CDU) in diagnosing lower extremity vascular disease in type 2 diabetes mellitus (T2DM) patients. METHODS: The lower extremity arteries of 81 patients with T2DM and 50 control patients were examined by CDU for blood vessel diameter, intima-media thickness, plaque on the vessel wall, lumen stenosis and filling defect in blood flow. The occurrence of diabetes mellitus was investigated in additional T2DM patients of various ages...
September 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/28627657/shrna%C3%A2-mediated-np-knockdown-inhibits-the-apoptosis-of-cardiomyocytes-induced-by-h1n1pdm2009-influenza-virus
#19
Kun Yu, Yi Ren, Xiwen Zhang, Taiping Qiao, Zhiguo Liu, Jianhua Shi, Yingnan Wang
Acute influenza-associated myocarditis varies in clinical severity ranging between asymptomatic and fulminant varieties. The most severe cases can result in impaired cardiac function‑associated mortality; however, the mechanism underlying the development of viral myocarditis has yet to be fully elucidated. The present study investigated the apoptosis induced in H9C2 cardiomyocytes by infection with the H1N1pdm2009 virus. The H9C2 cells were transfected with nucleoprotein (NP)‑specific short hairpin (sh) RNA, and viral replication was re‑evaluated in H9C2 cells infected with the H1N1pdm2009 virus, as was the apoptosis induced by the virus...
June 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627096/high-titer-of-anti-citrullinated-peptide-antibody-is-a-risk-factor-for-severe-carotid-atherosclerotic-plaque-in-patients-with-rheumatoid-arthritis-the-tomorrow-study
#20
Tadashi Okano, Kentaro Inui, Yuko Sugioka, Kenichi Sugioka, Yoshiki Matsumura, Shinji Takahashi, Masahiro Tada, Kenji Mamoto, Shigeyuki Wakitani, Tatsuya Koike, Hiroaki Nakamura
AIM: Cardiovascular disease is one of the complications of rheumatoid arthritis (RA). We researched the morbidity and severity of existing carotid atherosclerosis plaque and associated risk factors in patients with RA. METHOD: This study included 413 participants, including 208 patients with RA and 205 age- and sex-matched healthy volunteers. Carotid ultrasound, clinical data collection and assessment of cardiovascular risk factors were performed. Atherosclerotic plaque was defined as an intima-media thickness ≥ 1...
June 19, 2017: International Journal of Rheumatic Diseases
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