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https://www.readbyqxmd.com/read/28931178/the-oral-dipeptidyl-peptidase-4-inhibitor-sitagliptin-increases-circulating-levels-of-stromal-derived-factor-1-alpha
#1
Athanasia K Papazafiropoulou, Nikolaos Papanas, Aikaterini Trikkalinou, Evaggelos Fousteris, Andreas Melidonis
Recent studies have demonstrated that stromal derived factor-1α (SDF-1α) is a substrate of dipeptidyl-peptidase-4 (DPP-4) inhibitors. It has also been shown that SDF-1α shares anti-apoptotic as well as nephroprotective properties and exerts a beneficial effect in the cardiovascular system. Therefore, the aim of this study was to estimate the effect of treatment with the DDP-4 inhibitor sitagliptin on SDF-1α levels in subjects with type 2 diabetes mellitus (T2D). Overall, 32 patients (16 males) with T2D, mean age (±SD) 67...
September 20, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28931177/effects-of-aldosterone-on-chemerin-expression-and-secretion-in-3t3-l1-adipocytes
#2
Junhua Ma, Fei Sun, Jingnan Wang, He Jiang, Jiancan Lu, Xing Wang, Jichen Zhang, Chao Shi, Wen You, Xiangqi Li, Hongling Zhu, Mingjun Gu
Aldosterone plays a pivotal role in the pathogenesis of metabolic syndrome and cardiovascular disease; however, the underlying mechanisms have not been clarified. Chemerin has been characterized as an adipokine with crucial roles in obesity-associated disorders and cardiovascular homeostasis. The aim of the present study was to investigate the direct effects of aldosterone on chemerin expression and secretion in 3T3-L1 adipocytes and to identify the potential signalling pathways involved. Chemerin mRNA levels were measured using real-time PCR, whereas the levels of secreted chemerin in the culture media were determined using ELISA...
September 20, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28931095/-new-recommendations-in-oncocardiology
#3
Csaba András Nagy, Mária Lódi, Ingrid Balogh, Dániel Czuriga, Judit Kocsis
It is well-known that modern oncotherapy significantly reduced the mortality of malignant diseases. However, serious side effects of the applied cancer therapies have evolved, which may adversely affect the cardiovascular system. Early side effects often limit therapeutic success of oncotherapy and may require treatment interruption, while late-onset side effects can adversely influence the long-term survival of patients recovering from cancer. Oncocardiology is a new medical field gaining more and more attention...
September 20, 2017: Magyar Onkologia
https://www.readbyqxmd.com/read/28931094/ethnicity-and-skin-autofluorescence-based-risk-engines-for-cardiovascular-disease-and-diabetes-mellitus
#4
Muhammad Saeed Ahmad, Torben Kimhofer, Sultan Ahmad, Mohammed Nabil AlAma, Hala Hisham Mosli, Salwa Ibrahim Hindawi, Dennis O Mook-Kanamori, Katarína Šebeková, Zoheir Abdullah Damanhouri, Elaine Holmes
Skin auto fluorescence (SAF) is used as a proxy for the accumulation of advanced glycation end products (AGEs) and has been proposed to stratify patients into cardiovascular disease (CVD) and diabetes mellitus (DM) risk groups. This study evaluates the effects of seven different ethnicities (Arab, Central-East African, Eastern Mediterranean, European, North African, South Asian and Southeast Asian) and gender on SAF as well as validating SAF assessment as a risk estimation tool for CVD and DM in an Arabian cohort...
2017: PloS One
https://www.readbyqxmd.com/read/28931089/advanced-glycation-end-products-dietary-restriction-effects-on-bacterial-gut-microbiota-in-peritoneal-dialysis-patients-a-randomized-open-label-controlled-trial
#5
Rabi Yacoub, Melinda Nugent, Weijin Cai, Girish N Nadkarni, Lee D Chaves, Sham Abyad, Amanda M Honan, Shruthi A Thomas, Wei Zheng, Sujith A Valiyaparambil, Mark A Bryniarski, Yijun Sun, Michael Buck, Robert J Genco, Richard J Quigg, John C He, Jaime Uribarri
The modern Western diet is rich in advanced glycation end products (AGEs). We have previously shown an association between dietary AGEs and markers of inflammation and oxidative stress in a population of end stage renal disease (ESRD) patients undergoing peritoneal dialysis (PD). In the current pilot study we explored the effects of dietary AGEs on the gut bacterial microbiota composition in similar patients. AGEs play an important role in the development and progression of cardiovascular (CVD) disease. Plasma concentrations of different bacterial products have been shown to predict the risk of incident major adverse CVD events independently of traditional CVD risk factors, and experimental animal models indicates a possible role AGEs might have on the gut microbiota population...
2017: PloS One
https://www.readbyqxmd.com/read/28931072/high-prevalence-of-non-dipping-blood-pressure-and-vascular-stiffness-in-hiv-infected-south-africans-on-antiretrovirals
#6
M S Borkum, J M Heckmann, K Manning, J A Dave, N S Levitt, B L Rayner, N Wearne
BACKGROUND: HIV-infected individuals are at increased risk of tissue inflammation and accelerated vascular aging ('inflamm-aging'). Abnormal diurnal blood pressure (BP) rhythms such as non-dipping may contribute to an increased risk of cardiovascular and cerebrovascular events in HIV infected individuals. However, little data exists on ambulatory blood pressure (ABP) and measures of vascular stiffness in the black African HIV infected population. METHODS: This is a cross-sectional analysis of otherwise well, HIV infected outpatients on ART for >5 years...
2017: PloS One
https://www.readbyqxmd.com/read/28931039/abnormalities-in-substance-p-neurokinin-1-receptor-binding-in-key-brainstem-nuclei-in-sudden-infant-death-syndrome-related-to-prematurity-and-sex
#7
Fiona M Bright, Robert Vink, Roger W Byard, Jhodie R Duncan, Henry F Krous, David S Paterson
Sudden infant death syndrome (SIDS) involves failure of arousal to potentially life threatening events, including hypoxia, during sleep. While neuronal dysfunction and abnormalities in neurotransmitter systems within the medulla oblongata have been implicated, the specific pathways associated with autonomic and cardiorespiratory failure are unknown. The neuropeptide substance P (SP) and its tachykinin neurokinin-1 receptor (NK1R) have been shown to play an integral role in the modulation of homeostatic function in the medulla, including regulation of respiratory rhythm generation, integration of cardiovascular control, and modulation of the baroreceptor reflex and mediation of the chemoreceptor reflex in response to hypoxia...
2017: PloS One
https://www.readbyqxmd.com/read/28931015/short-versus-prolonged-dual-antiplatelet-therapy-dapt-duration-after-coronary-stent-implantation-a-comparison-between-the-dapt-study-and-9-other-trials-evaluating-dapt-duration
#8
Toshiaki Toyota, Hiroki Shiomi, Takeshi Morimoto, Masahiro Natsuaki, Takeshi Kimura
AIMS: The Dual Antiplatelet Therapy (DAPT) study demonstrated that DAPT beyond 1-year after drug-eluting stent (DES) implantation, as compared with aspirin therapy alone, significantly reduced the risk of major cardiovascular and cerebrovascular events, which was mainly driven by the large risk reduction for myocardial infarction (MI). We sought to compare the largest DAPT study with other trials evaluating DAPT durations after DES implantation. METHODS AND RESULTS: By a systematic literature search, we identified 9 trials comparing prolonged- versus short-DAPT in addition to the DAPT study...
2017: PloS One
https://www.readbyqxmd.com/read/28930961/impact-of-a-novel-phosphoinositol-3-kinase-inhibitor-in-preventing-mitochondrial-dna-damage-and-damage-associated-molecular-pattern-accumulation-results-from-the-biochronicity-project
#9
George Edward Black, Kyle K Sokol, Donald M Moe, Jon D Simmons, David Muscat, Victor Pastukh, Gina Capley, Olena Gorodnya, Mykhaylo Ruchko, Mark B Roth, Mark Gillespie, Matthew J Martin
BACKGROUND: Despite improvements in the management of severely injured patients, development of multiple organ dysfunction syndrome (MODS) remains a morbid complication of traumatic shock. One of the key attributes of MODS is a profound bioenergetics crisis, for which the mediators and mechanisms are poorly understood. We hypothesized that metabolic uncoupling using an experimental phosphoinositol-3 kinase (PI3-K) inhibitor, LY294002 (LY), may prevent mitochondrial abnormalities that lead to the generation of mitochondrial DNA (mtDNA) damage and the release of mtDNA damage-associated molecular patterns (DAMPs)...
October 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28930746/early-assessment-of-the-risk-factors-for-diabetic-retinopathy-can-reduce-the-risk-of-peripheral-arterial-and-cardiovascular-diseases-in-type-2-diabetes
#10
Juan Tang, Tao Li, Pinhong Li, Yuefei Ma, Momo Liu, Qiaoyun Shan, Fengqi Guo, Ting Zhou, Qianping Wei
BACKGROUNDS: There is still a lack of consensus about how to assess the risk of peripheral arterial disease (PAD) and cardiovascular disease (CVD) in patients with diabetic retinopathy (DR). AIMS: We investigated the risk factors for DR and their association with PAD and CVD in patients with type 2 diabetes (T2D). METHODS: A total of 1,421 patients diagnosed with T2D participated in this study. DR stages were classified as non-DR, nonproliferative DR (NPDR), or proliferative DR (PDR)...
September 21, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28930596/modified-low-density-lipoproteins-as-biomarkers-in-diabetes-and-metabolic-syndrome
#11
Andrea Rivas-Urbina, Sonia Benitez, Antonio Perez, Jose Luis Sanchez-Quesada
Cardiovascular disease of atherosclerotic origin is the main cause of death in diabetes mellitus and metabolic syndrome. One of the mechanisms involved in such increased risk is the high incidence of lipoprotein modification in these pathologies. Increased glycosylation, oxidative stress or high non-esterified fatty acid levels in blood, among other factors, promote the modification and subsequent alteration of the properties of lipoproteins. Since the modification of low-density lipoprotein (LDL) is the triggering factor in the development of atherosclerosis, considerable research has been focused on the quantification of modified LDLs in blood to be used as biomarkers of cardiovascular risk...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930591/lipoprotein-a-and-cardiovascular-disease-current-state-and-future-directions-for-an-enigmatic-lipoprotein
#12
Anum Saeed, Salim S Virani
Lipoprotein (a) (Lp (a)) is a complex polymorphic lipoprotein. Although structurally similar to low-density lipoprotein, Lp(a) has a glycoprotein, apolipoprotein(a) (apo(a)), attached to the apolipoprotein B-100 component. Several unique properties of Lp(a) can be attributed to the presence of apo(a). Several decades of research has improved our understanding of the structure, biochemistry, and pathophysiology of Lp(a) associated diseases. Genetic, epidemiological, and translational data indicate that elevated Lp(a) levels are likely in the causal pathway for atherosclerotic cardiovascular diseases as well as calcification of the aortic valves...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930587/prenylcysteine-oxidase-1-a-pro-oxidant-enzyme-of-low-density-lipoproteins
#13
Luis V Herrera-Marcos, Jose M Lou-Bonafonte, Maria V Martinez-Gracia, Carmen Arnal, María A Navarro, Jesus Osada
Elevated levels of low density lipoproteins (LDLs) cause atherosclerotic disease, and proteomic analyses have found that these lipoproteins are endowed with prenylcysteine lyase. This systematic review summarizes current understanding of this enzyme, now known as prenylcysteine oxidase 1 (PCYOX1), which hydrolyzes the thioether bond of prenylcysteines in the final step in the degradation of prenylated proteins, releasing hydrogen peroxide, cysteine and the isoprenoid aldehyde. Despite the high variability of the PCYOX1 gene, no polymorphism has yet been associated with any disease...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930576/impact-of-chocolate-on-the-cardiovascular-health
#14
Maria Alessandra Gammone, Konstantinos Efthymakis, Francesca Romana Pluchinotta, Sonia Bergante, Guido Tettamanti, Graziano Riccioni, Nicolantonio D'Orazio
The antioxidants such as polyphenols, especially flavonols, present in large quantitites in cocoa, cause vasodilation, modulate inflammatory markers and cardiovascular health, and possess a range of protective cardiovascular effects. On the other hand, overconsumption of chocolate can lead to tachyarrhythmias, supraventricular tachycardia, atrial fibrillation, ventricular tachycardia and ventricular fibrillation due to its caffeine content. This review describes both the cardioprotective and adverse effects of chocolate and its constituents...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930555/the-forgotten-modified-lipoprotein-subspecies
#15
Ahmed Bakillah, Mohamed Zaiou
Insights from preclinical and clinical studies have attempted to highlight the importance of modified lipoprotein particles in the pathogenesis of cardiovascular diseases (CVD). However, evidence is not conclusive. Since there is a relative dearth of clinical research in collecting useful information from traditional advanced lipoproteins testing, this present editorial introduces the aim of a special issue on modified lipoproteins as potential biomarkers for CVD. This issue aims at gathering a selection of insightful articles that address major challenges related to potential clinical use of modified lipoproteins as new CVD biomarkers...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930554/diet-microparticles-and-atherothrombosis
#16
Lina Badimon, Rosa Suades, Javier Crespo, Teresa Padro, Gemma Chiva-Blanch
Cardiovascular disease is the main cause of death worldwide, and is principally caused by atherosclerosis, with subsequent thrombus formation, eventually provoking an acute myocardial infarction or a stroke. The formation and progression of the atherosclerotic plaques responds to multiple factors including certain diets. Intensive research has elucidated the role of diet in cardiovascular disease and has led to public health policies focusing on educating the population on the role of nutrition in cardiovascular health...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930551/uremic-toxins-are-conditional-danger-or-homeostasis-associated-molecular-patterns
#17
Yu Sun, Candice Johnson, Jun Zhou, Luqiao Wang, Ya-Feng Li, Yifan Lu, Gayani Nanayakkara, Hangfei Fu, Ying Shao, Claudette Sanchez, William Y Yang, Xin Wang, Eric T Choi, Rongshan Li, Hong Wang, Xiao-Feng Yang
We mined novel uremic toxin (UT) metabolomics/gene databases, and analyzed the expression changes of UT receptors and UT synthases in chronic kidney disease (CKD) and cardiovascular disease (CVD). We made the following observations: 1) UTs represent only 1/80(th) of human serum small-molecule metabolome; 2) Some UTs are increased in CKD and CVD; 3) UTs either induce or suppress the expression of inflammatory molecules; 4) The expression of UT genes is significantly modulated in CKD patients, and coronary artery disease (CAD) patients; 5) The expression of UT genes is upregulated by caspase-1 and TNF-alpha pathways but is inhibited in regulatory T cells...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930541/molecular-mechanisms-of-disorders-of-lipid-metabolism-in-chronic-kidney-disease
#18
Hamid Moradi, Nosratola D Vaziri
Chronic kidney disease (CKD) is a progressive condition marked by protracted kidney damage which over time can lead to end stage renal disease (ESRD). CKD can be categorized into different stages based on the extent of renal damage and degree of renal dysfunction with ESRD requiring renal replacement therapy considered the final stage. It is important to note that CKD in all of its forms is associated with accelerated atherosclerosis, cardiovascular (CV) disease and poor CV outcomes. While a number of factors contribute to the high risk of CV mortality in this patient population, dyslipidemia is considered to be a key player in the pathogenesis of CV disease in CKD...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930524/hypertension-and-cardiometabolic-disease
#19
Ivan Tasic, Dragan Lovic
Hypertension has  a central role in cardiometabolic disease and is usually associated with  metabolic disorders, such as insulin resistance, obesity, and dyslipidemia. Hyperinsulinemia may increase cardiovascular (CV) risk through its promotion of hypertension, which is possibly a result of chronic enhancement of sympathetic nervous system activity, stimulation of the renin-angiotensin-aldosterone system leading to increased renal tubular sodium reabsorption, modulating cation transport, or inducing vascular smooth muscle cell hypertrophy...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28930197/red-blood-cell-eicosapentaenoic-acid-inversely-relates-to-mri-assessed-carotid-plaque-lipid-core-burden-in-elders-at-high-cardiovascular-risk
#20
Núria Bargalló, Rosa Gilabert, Edwin-Saúl Romero-Mamani, Montserrat Cofán, Philip C Calder, Montserrat Fitó, Dolores Corella, Jordi Salas-Salvadó, Miguel Ruiz-Canela, Ramon Estruch, Emilio Ros, Aleix Sala-Vila
Supplemental marine omega-3 eicosapentaenoic acid (EPA) has an anti-atherosclerotic effect. Clinical research on EPA supplied by the regular diet and atherosclerosis is scarce. In the framework of the PREvención con DIeta MEDiterránea (PREDIMED) trial, we conducted a cross-sectional study in 161 older individuals at high vascular risk grouped into different stages of carotid atherosclerosis severity, including those without ultrasound-detected atheroma plaque (n = 38), with plaques <2.0 mm thick (n = 65), and with plaques ≥2...
September 20, 2017: Nutrients
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