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Cardiovascular pathology

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https://www.readbyqxmd.com/read/28447711/alleviative-effect-of-grape-seed-proanthocyanidin-extract-on-small-artery-vascular-remodeling-in-spontaneous-hypertensive-rats-via-inhibition-of-collagen-hyperplasia
#1
Ying Liang, Haiqing Gao, Jian Wang, Quanzhen Wang, Shaohua Zhao, Jun Zhang, Jie Qiu
Vascular remodeling is a primary contributor to the initiation and development of hypertension, which has a pathological association with subsequent multi-organ damage. Grape seed proanthocyanidin extracts (GSPE) exhibit protective cardiovascular effects, resulting from their anti‑oxidant and anti‑inflammatory properties. However, the function and mechanism underlying the effect of GSPE on small artery remodeling remain to be elucidated. The present study investigated the effect of GSPE on vascular remodeling in the mesenteric small arteries of spontaneous hypertensive rats (SHR)...
March 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447065/circadian-clocks-diets-and-aging
#2
REVIEW
Amol Chaudhari, Richa Gupta, Kuldeep Makwana, Roman Kondratov
Diets and feeding regimens affect many physiological systems in the organism and may contribute to the development or prevention of various pathologies including cardiovascular diseases or metabolic syndromes. Some of the dietary paradigms, such as calorie restriction, have many well-documented positive metabolic effects as well as the potential to extend longevity in different organisms. Recently, the circadian clocks were put forward as integral components of the calorie restriction mechanisms. The circadian clocks generate the circadian rhythms in behavior, physiology, and metabolism; circadian disruption is associated with reduced fitness and decreased longevity...
March 31, 2017: Nutrition and Healthy Aging
https://www.readbyqxmd.com/read/28446702/alteration-of-cerebrovascular-haemodynamic-patterns-due-to-atrial-fibrillation-an-in-silico-investigation
#3
S Scarsoglio, A Saglietto, M Anselmino, F Gaita, L Ridolfi
There has recently been growing evidence that atrial fibrillation (AF), the most common cardiac arrhythmia, is independently associated with the risk of dementia. This represents a very recent frontier with high social impact for the number of individuals involved and for the expected increase in AF incidence in the next 40 years. Although a number of potential haemodynamic processes, such as microembolisms, altered cerebral blood flow, hypoperfusion and microbleeds, arise as connecting links between the two pathologies, the causal mechanisms are far from clear...
April 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28446515/role-of-biomarkers-for-the-prevention-assessment-and-management-of-heart-failure-a-scientific-statement-from-the-american-heart-association
#4
REVIEW
Sheryl L Chow, Alan S Maisel, Inder Anand, Biykem Bozkurt, Rudolf A de Boer, G Michael Felker, Gregg C Fonarow, Barry Greenberg, James L Januzzi, Michael S Kiernan, Peter P Liu, Thomas J Wang, Clyde W Yancy, Michael R Zile
BACKGROUND AND PURPOSE: Natriuretic peptides have led the way as a diagnostic and prognostic tool for the diagnosis and management of heart failure (HF). More recent evidence suggests that natriuretic peptides along with the next generation of biomarkers may provide added value to medical management, which could potentially lower risk of mortality and readmissions. The purpose of this scientific statement is to summarize the existing literature and to provide guidance for the utility of currently available biomarkers...
April 26, 2017: Circulation
https://www.readbyqxmd.com/read/28446231/remote-ischemic-preconditioning-differentially-attenuates-post-ischemic-cardiac-arrhythmia-in-streptozotocin-induced-diabetic-versus-nondiabetic-rats
#5
Zhaoyang Hu, Mou Chen, Ping Zhang, Jin Liu, Geoffrey W Abbott
BACKGROUND: Sudden cardiac death (SCD), a leading cause of global mortality, most commonly arises from a substrate of cardiac ischemia, but requires an additional trigger. Diabetes mellitus (DM) predisposes to SCD even after adjusting for other DM-linked cardiovascular pathology such as coronary artery disease. We previously showed that remote liver ischemia preconditioning (RLIPC) is highly protective against cardiac ischemia reperfusion injury (IRI) linked ventricular arrhythmias and myocardial infarction, via induction of the cardioprotective RISK pathway, and specifically, inhibitory phosphorylation of GSK-3β (Ser 9)...
April 26, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28439840/micrornas-regulatory-networks-and-comorbidities-decoding-complex-systems
#6
Francesco Russo, Kirstine Belling, Anders Boeck Jensen, Flavia Scoyni, Søren Brunak, Marco Pellegrini
MicroRNAs (miRNAs) are small noncoding RNAs involved in the posttranscriptional regulation of messenger RNAs (mRNAs). Each miRNA targets a specific set of mRNAs. Upon binding the miRNA inhibits mRNA translation or facilitate mRNA degradation. miRNAs are frequently deregulated in several pathologies including cancer and cardiovascular diseases. Since miRNAs have a crucial role in fine-tuning the expression of their targets, they have been proposed as biomarkers of disease progression and prognostication.In this chapter we discuss different approaches for computational predictions of miRNA targets based on sequence complementarity and integration of expression data...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28439217/pediatric-metabolic-syndrome-pathophysiology-and-laboratory-assessment
#7
Victoria Higgins, Khosrow Adeli
Pediatric overweight and obesity is an emerging public health priority as rates have rapidly increased worldwide. Obesity is often clustered with other metabolic abnormalities including hypertension, dyslipidemia, and insulin resistance, leading to increased risk of cardiovascular disease. This cluster of risk factors, termed the metabolic syndrome, has traditionally been reported in adults. However, with the increased prevalence of pediatric obesity, the metabolic syndrome is now evident in children and adolescents...
March 2017: EJIFCC
https://www.readbyqxmd.com/read/28439028/bgp-15-prevents-the-death-of-neurons-in-a-mouse-model-of-familial-dysautonomia
#8
Sarah B Ohlen, Magdalena L Russell, Michael J Brownstein, Frances Lefcort
Hereditary sensory and autonomic neuropathy type III, or familial dysautonomia [FD; Online Mendelian Inheritance in Man (OMIM) 223900], affects the development and long-term viability of neurons in the peripheral nervous system (PNS) and retina. FD is caused by a point mutation in the gene IKBKAP/ELP1 that results in a tissue-specific reduction of the IKAP/ELP1 protein, a subunit of the Elongator complex. Hallmarks of the disease include vasomotor and cardiovascular instability and diminished pain and temperature sensation caused by reductions in sensory and autonomic neurons...
April 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28434817/the-protective-effect-of-hyperoside-on-carbon-tetrachloride-induced-chronic-liver-fibrosis-in-mice-via-upregulation-of-nrf2
#9
Liyi Zou, Shaoru Chen, Li Li, Tie Wu
CONTEXT: Hyperoside was used to treat cardiovascular disease for many years in China. It was shown great effect on regulation of lipid metabolism. But there is lack of reports about the effects of hyperoside on liver diseases. OBJECTIVE: This study was designed to investigate the potentially protective effects of hyperoside and the role of transcription factor nuclear factor-erythroid 2(NF-E2)-related factor 2 (Nrf2) signaling in the regulation on Carbon Tetrachloride (CCl4)-induced chronic liver fibrosis in mice...
April 20, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28433996/factor-xii-as-a-risk-marker-for-hemorrhagic-stroke-a-prospective-cohort-study
#10
Kristina Johansson, Jan-Håkan Jansson, Lars Johansson, Ingemar Bylesjö, Torbjörn K Nilsson, Mats Eliasson, Stefan Söderberg, Marcus Lind
BACKGROUND: Coagulation factor XII (FXII) is involved in pathological thrombus formation and is a suggested target of anticoagulants. It is unclear whether FXII levels are correlated with cardiovascular risk factors and whether they are associated with myocardial infarction or ischemic or hemorrhagic stroke. The aim of this study was to investigate the correlation between FXII and cardiovascular risk factors in the general population. We also aimed to study the associations between FXII levels and future myocardial infarction and ischemic and hemorrhagic stroke...
April 21, 2017: Cerebrovascular Diseases Extra
https://www.readbyqxmd.com/read/28432201/mg53-biological-function-and-potential-as-a-therapeutic-target
#11
Yan Zhang, Hong-Kun Wu, Fengxiang Lv, Rui-Ping Xiao
MG53 (also known as TRIM72) is a cardiac and skeletal muscle-specific TRIM-family protein that exhibits multiple biological functions. First, MG53 participates in plasma membrane repair of the heart, skeletal muscle and other tissues. Second, MG53 is essentially involved in the cardioprotection of cardiac ischemic, pre-conditioning and post-conditioning, by activating the PI3K-Akt-GSK3β and ERK1/2 survival signaling pathways. Moreover, systemic delivery of recombinant MG53 protein ameliorates the impact of a range of injury insults on heart, skeletal muscle, lung, kidney, skin and brain...
April 21, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28431241/akt-pkb-signaling-navigating-the-network
#12
REVIEW
Brendan D Manning, Alex Toker
The Ser and Thr kinase AKT, also known as protein kinase B (PKB), was discovered 25 years ago and has been the focus of tens of thousands of studies in diverse fields of biology and medicine. There have been many advances in our knowledge of the upstream regulatory inputs into AKT, key multifunctional downstream signaling nodes (GSK3, FoxO, mTORC1), which greatly expand the functional repertoire of AKT, and the complex circuitry of this dynamically branching and looping signaling network that is ubiquitous to nearly every cell in our body...
April 20, 2017: Cell
https://www.readbyqxmd.com/read/28430115/a-systematic-review-of-3-d-printing-in-cardiovascular-and-cerebrovascular-diseases
#13
Zhonghua Sun, Shen Yuan Lee
OBJECTIVE: The application of 3-D printing has been increasingly used in medicine, with research showing many applications in cardiovascular disease. This systematic review analyzes those studies published about the applications of 3-D printed, patient-specific models in cardiovascular and cerebrovascular diseases. METHODS: A search of PubMed/Medline and Scopus databases was performed to identify studies investigating the 3-D printing in cardiovascular and cerebrovascular diseases...
April 10, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28428965/natural-killer-cells-in-the-orchestration-of-chronic-inflammatory-diseases
#14
REVIEW
Luca Parisi, Barbara Bassani, Marco Tremolati, Elisabetta Gini, Giampietro Farronato, Antonino Bruno
Inflammation, altered immune cell phenotype, and functions are key features shared by diverse chronic diseases, including cardiovascular, neurodegenerative diseases, diabetes, metabolic syndrome, and cancer. Natural killer cells are innate lymphoid cells primarily involved in the immune system response to non-self-components but their plasticity is largely influenced by the pathological microenvironment. Altered NK phenotype and function have been reported in several pathological conditions, basically related to impaired or enhanced toxicity...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28428753/a-clinical-perspective-of-anti-fibrotic-therapies-for-cardiovascular-disease
#15
REVIEW
Lu Fang, Andrew J Murphy, Anthony M Dart
Cardiac fibrosis are central to various cardiovascular diseases. Research on the mechanisms and therapeutic targets for cardiac fibrosis has advanced greatly in recent years. However, while many anti-fibrotic treatments have been studied in animal models and seem promising, translation of experimental findings into human patients has been rather limited. Thus, several potential new treatments which have shown to reduce cardiac fibrosis in animal models have either not been tested in humans or proved to be disappointing in clinical trials...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28428072/membrane-lipid-alterations-in-the-metabolic-syndrome-and-the-role-of-dietary-oils
#16
REVIEW
Javier S Perona
The metabolic syndrome is a cluster of pathological conditions, including hypertension, hyperglycemia, hypertriglyceridemia, obesity and low HDL levels that is of great concern worldwide, as individuals with metabolic syndrome have an increased risk of type-2 diabetes and cardiovascular disease. Insulin resistance, the key feature of the metabolic syndrome, might be at the same time cause and consequence of impaired lipid composition in plasma membranes of insulin-sensitive tissues like liver, muscle and adipose tissue...
April 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28427291/antioxidant-therapy-for-management-of-oxidative-stress-induced-hypertension
#17
Khalil Ali Ahmad, Dai Yuan Yuan, Waqas Nawaz, Hong Ze, Chen Xue Zhuo, Bashar Talal, Abdoh Taleb, Enos Mais, Ding Qilong
Hypertension is considered as the most common risk factor for cardiovascular diseases, also is regarded as a leading cause of the mortality and morbidity worldwide. The mechanisms underlying the pathological process of hypertension are not completely explained. However, there is growing evidence that increased oxidative stress plays an important role in the pathophysiology of hypertension. Several preclinical studies and clinical trials have indicated that antioxidant therapy is important for management of hypertension, using antioxidants compounds such as alpha tocopherol (Vit E) and ascorbic acid (Vit C), polyphenols with others and some antihypertensive drugs that are now in clinical use (e...
April 20, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28427050/expression-of-high-mobility-group-protein-b1-in-cardiac-tissue-of-elderly-patients-with-coronary-artery-disease-with-or-without-inflammatory-rheumatic-disease
#18
Mei Bruton, Ivana Hollan, Julie Xiao, Eva Lindroos, Knut Mikkelsen, Stein E Rynning, Kjell Saatvedt, Sven M Almdahl, Helena E Harris, Ingrid E Lundberg, Cecilia Wick
BACKGROUND: It is known from clinical practice and observational studies that elderly patients with a diagnosis of inflammatory rheumatic diseases (IRD) bear a significantly increased risk for cardiovascular diseases such as coronary artery disease (CAD) and heart failure. The molecular mechanism, however, is still not known. Recently, high mobility group protein B1 (HMGB1), a ubiquitous, highly conserved single polypeptide expressed in all mammal eukaryotic cells, has been identified to mediate myocardial dysfunction in vitro once released from the nuclei of cardiomyocytes...
April 21, 2017: Gerontology
https://www.readbyqxmd.com/read/28426722/interactions-between-mitoneet-and-naf-1-in-cells
#19
Ola Karmi, Sarah H Holt, Luhua Song, Sagi Tamir, Yuting Luo, Fang Bai, Ammar Adenwalla, Merav Darash-Yahana, Yang-Sung Sohn, Patricia A Jennings, Rajeev K Azad, Jose' N Onuchic, Faruck Morcos, Rachel Nechushtai, Ron Mittler
The NEET proteins mitoNEET (mNT) and nutrient-deprivation autophagy factor-1 (NAF-1) are required for cancer cell proliferation and resistance to oxidative stress. NAF-1 and mNT are also implicated in a number of other human pathologies including diabetes, neurodegeneration and cardiovascular disease, as well as in development, differentiation and aging. Previous studies suggested that mNT and NAF-1 could function in the same pathway in mammalian cells, preventing the over-accumulation of iron and reactive oxygen species (ROS) in mitochondria...
2017: PloS One
https://www.readbyqxmd.com/read/28425970/aneurysm-specific-mir-221-and-mir-146a-participates-in-human-thoracic-and-abdominal-aortic-aneurysms
#20
Premakumari Venkatesh, Julie Phillippi, Sasanka Chukkapalli, Mercedes Rivera-Kweh, Irina Velsko, Thomas Gleason, Paul VanRyzin, Seyed Hossein Aalaei-Andabili, Ravi Kiran Ghanta, Thomas Beaver, Edward Kar Leung Chan, Lakshmyya Kesavalu
Altered microRNA expression is implicated in cardiovascular diseases. Our objective was to determine microRNA signatures in thoracic aortic aneurysms (TAAs) and abdominal aortic aneurysms (AAAs) compared with control non-aneurysmal aortic specimens. We evaluated the expression of fifteen selected microRNA in human TAA and AAA operative specimens compared to controls. We observed significant upregulation of miR-221 and downregulation of miR-1 and -133 in TAA specimens. In contrast, upregulation of miR-146a and downregulation of miR-145 and -331-3p were found only for AAA specimens...
April 20, 2017: International Journal of Molecular Sciences
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