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PubMed Journals Articles About "Mitochondrial Dysfunction Atherosclerosis" RSS

17:38 EDT 25th June 2019 | BioPortfolio

Mitochondrial Dysfunction Atherosclerosis PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Mitochondrial Dysfunction Atherosclerosis articles that have been published worldwide.

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Showing "Mitochondrial Dysfunction Atherosclerosis" PubMed Articles 1–25 of 5,900+

Mitochondrial Dysfunction in Atherosclerosis.

Mitochondria are highly dynamic organelles beyond powerhouses of a cell. These components also play important roles in cell homeostasis by regulating cell function and phenotypic modulation. Atherosclerosis is the leading cause of morbidity and mortality in developed and developing countries. Mitochondrial dysfunction has been increasingly associated with the initiation and progression of atherosclerosis by elevating the production of reactive oxygen species and mitochondrial oxidative stress damage, mitoch...


Association Between Erectile Dysfunction and Carotid Subclinical Atherosclerosis in HIV-Infected Patients.

Erectile dysfunction (ED) is frecuent in HIV infected patients and it can be associated with atherosclerosis and cardiovascular events. So, the objetive was to evaluate whether the presence of moderate-severe ED erectile dysfunction (ED) was a marker of subclinical atherosclerosis (SCA) in HIV-infected patients.

Roles of oestradiol receptor alpha and beta against hypertension and brain mitochondrial dysfunction under intermittent hypoxia in female rats.

Chronic intermittent hypoxia (CIH) induces systemic (hypertension) and central (mitochondrial dysfunction underlying cognitive deficits). We hypothesized that agonists of oestradiol receptors (ER) α and β prevent CIH-induced hypertension and brain mitochondrial dysfunction.


Mitochondrial Dysfunction and Stress Responses in Alzheimer's Disease.

Alzheimer's disease (AD) patients display widespread mitochondrial defects. Brain hypometabolism occurs alongside mitochondrial defects, and correlates well with cognitive decline. Numerous theories attempt to explain AD mitochondrial dysfunction. Groups propose AD mitochondrial defects stem from: (1) mitochondrial-nuclear DNA interactions/variations; (2) amyloid and neurofibrillary tangle interactions with mitochondria, and (3) mitochondrial quality control defects and oxidative damage. Cells respond to mi...

Modulation of mitochondrial dysfunction for treatment of disease.

Mitochondrial dysfunction is a causative and/or exacerbating feature of many pathologies. We discuss below approaches to modulate mitochondrial dysfunction that involve (1) increasing their energetic efficiency by targeting gene expression regulators such as PPAR or AMPK, (2) using antioxidant compounds to reduce the toxic reactive oxygen species mitochondria produce under stress, or (3) modulating aspects on the innate mitochondrial quality control system. The latter comprise linked processes of biogenesis...

Drp1/Fis1 interaction mediates mitochondrial dysfunction in septic cardiomyopathy.

Mitochondrial dysfunction is a key contributor to septic cardiomyopathy. Although recent literature implicates dynamin related protein 1 (Drp1) and its mitochondrial adaptor fission 1 (Fis1) in the development of pathologic fission and mitochondrial failure in neurodegenerative disease, little is known about the role of Drp1/Fis1 interaction in the context of sepsis-induced cardiomyopathy. Our study tests the hypothesis that Drp1/Fis1 interaction is a major driver of sepsis-mediated pathologic fission, lead...

Sleep, Autonomic Nervous Function and Atherosclerosis.

Behavioral and psychosocial factors related to development of cardiovascular disease have been gaining increased attention. Notably, sleep is considered to be one of the most important behavioral factors involved in progression of atherosclerosis and cardiovascular events, with autonomic nervous function a potential mechanism. Several studies have shown associations of sleep and autonomic dysfunction with major surrogate markers of atherosclerosis, such as carotid intima-media thickness and arterial stiffne...

Mitochondrial Dysfunction Is Inducible in Lymphoblastoid Cell Lines From Children With Autism and May Involve the TORC1 Pathway.

We previously developed a lymphoblastoid cell line (LCL) model of mitochondrial dysfunction in autism spectrum disorder (ASD); some individuals with ASD showed mitochondrial dysfunction (AD-A) while other individuals (AD-N) demonstrated mitochondrial respiration similar to controls (CNT). To test the hypothesis that mitochondrial dysfunction could be a consequence of environmental exposures through chronic elevations in reactive oxygen species (ROS), we exposed LCLs to prolonged ROS. We also examined expres...

Resistance Exercise Improves Mitochondrial Quality Control in a Rat Model of Sporadic Inclusion Body Myositis.

Mitochondrial dysfunction is implicated in the pathogenesis of multiple muscular diseases, including sporadic inclusion body myositis (s-IBM), the most common aging-related muscle disease. However, the factors causing mitochondrial dysfunction in s-IBM are unknown.

Z-Ligustilide protects vascular endothelial cells from oxidative stress and rescues high fat diet-induced atherosclerosis by activating multiple NRF2 downstream genes.

Oxidative stress-induced endothelial dysfunction is considered to exert a vital role in the development of atherosclerotic coronary heart disease (CHD). NRF2 is a key transcriptional factor against oxidative stress through activation of multiple ARE-mediated genes. Z-Lig is derived from the Ligusticum species with antitumor, anti-inflammation and neuroprotection activities. However, the antioxidant potentials of Z-Lig on endothelial dysfunction and atherosclerosis have not been well elucidated. Therefore, i...

Cardiac proteomics reveals the potential mechanism of microtubule associated protein 4 phosphorylation-induced mitochondrial dysfunction.

Our previous work suggested that microtubule associated protein 4 (MAP4) phosphorylation led to mitochondrial dysfunction in MAP4 phosphorylation mutant mice with cardiomyopathy, but the detailed mechanism was still unknown. Thus, the aim of this study was to investigate the potential mechanism involved in mitochondrial dysfunction responsible for cardiomyopathy.

Mitochondrial stress triggers a pro-survival response through epigenetic modifications of nuclear DNA.

Mitochondrial dysfunction represents an important cellular stressor and when intense and persistent cells must unleash an adaptive response to prevent their extinction. Furthermore, mitochondria can induce nuclear transcriptional changes and DNA methylation can modulate cellular responses to stress. We hypothesized that mitochondrial dysfunction could trigger an epigenetically mediated adaptive response through a distinct DNA methylation patterning. We studied cellular stress responses (i.e., apoptosis and ...

Effect of BMP-9 on endothelial cells and its role in atherosclerosis.

Atherosclerosis is an inflammatory disease involving dysfunction of endothelial cells (EC) and enhanced permeability of the endothelium to oxidized low-density lipoprotein and the transmigration of monocytes from the blood to the intima where they are transformed into foam cells after lipid engulfment. Changes in the composition of the basement membrane leading to increased fibronectin deposition also occur and modify EC-extracellular matrix (ECM) mechanotransduction. The release of lipids due to foam cell ...

Mst1 deletion reduces hyperglycemia-mediated vascular dysfunction via attenuating mitochondrial fission and modulating the JNK signaling pathway.

Diabetes is a leading cause of microvascular complications, such as nephropathy and retinopathy. Recent studies have proposed that hyperglycemia-induced endothelial cell dysfunction is modulated by mitochondrial stress. Therefore, our experiment was to detect the upstream mediator of mitochondrial stress in hyperglycemia-treated endothelial cells with a focus on macrophage-stimulating 1 (Mst1) and mitochondrial fission. Our data illuminated that hyperglycemia incubation reduced cell viability, as well as in...

Dual inhibition of endothelial miR-92a-3p and miR-489-3p reduces renal injury-associated atherosclerosis.

Cardiovascular disease (CVD) is the leading cause of death in chronic kidney disease (CKD) patients, however, the underlying mechanisms that link CKD and CVD are not fully understood and limited treatment options exist in this high-risk population. microRNAs (miRNA) are critical regulators of gene expression for many biological processes in atherosclerosis, including endothelial dysfunction and inflammation. We hypothesized that renal injury-induced endothelial miRNAs promote atherosclerosis. Here, we demon...

Mitochondrial Dysfunction and Diabetes: Is Mitochondrial Transfer a Friend or Foe?

Obesity, insulin resistance and type 2 diabetes are accompanied by a variety of systemic and tissue-specific metabolic defects, including inflammation, oxidative and endoplasmic reticulum stress, lipotoxicity, and mitochondrial dysfunction. Over the past 30 years, association studies and genetic manipulations, as well as lifestyle and pharmacological invention studies, have reported contrasting findings on the presence or physiological importance of mitochondrial dysfunction in the context of obesity and in...

Mitochondrial dysfunction induces muscle atrophy during prolonged inactivity: A review of the causes and effects.

Prolonged skeletal muscle inactivity (e.g. limb immobilization, bed rest, mechanical ventilation, spinal cord injury, etc.) results in muscle atrophy that manifests into a decreased quality of life and in select patient populations, a higher risk of morbidity and mortality. Thus, understanding the processes that contribute to muscle atrophy during prolonged periods of muscle disuse is an important area of research. In this regard, mitochondrial dysfunction has been directly linked to the muscle wasting that...

How Does Inflammation-Induced Hyperglycemia Cause Mitochondrial Dysfunction in Immune Cells?

Inflammatory mediators have an established role in inducing insulin resistance and promoting hyperglycemia. In turn, hyperglycemia has been argued to drive immune cell dysfunction as a result of mitochondrial dysfunction. Here, the authors review the evidence challenging this view. First, it is pointed out that inflammatory mediators are known to induce altered mitochondrial function. In this regard, critical care patients suffer both an elevated inflammatory tone as well as hyperglycemia, rendering it diff...

MR (Mineralocorticoid Receptor) Induces Adipose Tissue Senescence and Mitochondrial Dysfunction Leading to Vascular Dysfunction in Obesity.

Adipose tissue (AT) senescence and mitochondrial dysfunction are associated with obesity. Studies in obese patients and animals demonstrate that the MR (mineralocorticoid receptor) contributes to obesity-associated cardiovascular complications through its specific role in AT. However, underlying mechanisms remain unclear. This study aims to elucidate whether MR regulates mitochondrial function in obesity, resulting in AT premature aging and vascular dysfunction. Obese (db/db) and lean (db/+) mice were treat...

Mitochondrial Dysfunction in Parkinson's Disease-Cause or Consequence?

James Parkinson first described the motor symptoms of the disease that took his name over 200 years ago. While our knowledge of many of the changes that occur in this condition has increased, it is still unknown what causes this neurodegeneration and why it only affects some individuals with advancing age. Here we review current literature to discuss whether the mitochondrial dysfunction we have detected in Parkinson's disease is a pathogenic cause of neuronal loss or whether it is itself a consequence of d...

UCP2 ameliorates mitochondrial dysfunction, inflammation, and oxidative stress in lipopolysaccharide-induced acute kidney injury.

UCP2 is involved in the maintenance of mitochondrial function, immune response and regulation of oxidative stress under physiological or pathological conditions. The aim of this study was to investigate the effects of UCP2 on mitochondrial dysfunction, inflammation, and oxidative stress in septic acute kidney injury (AKI).

Measuring Mitochondrial Dysfunction Caused by Soluble α-Synuclein Oligomers.

Accumulation of misfolded αSyn and mitochondrial dysfunction are central features of Parkinson's disease. Growing evidence points to a relationship between these two phenomena as oligomeric α-synuclein (αSyn) can interact with mitochondria and impair their function. Standardization of methods to prepare αSyn oligomers and isolate functional mitochondria will facilitate efforts to expand upon early findings. Here we present detailed protocols for preparing soluble αSyn oligomers; for isolating functiona...

Mitochondrial Dysfunction in Heart Failure With Preserved Ejection Fraction.

Heart failure with preserved ejection fraction (HFpEF) is a complex syndrome with an increasingly recognized heterogeneity in pathophysiology. Exercise intolerance is the hallmark of HFpEF and appears to be caused by both cardiac and peripheral abnormalities in the arterial tree and skeletal muscle. Mitochondrial abnormalities can significantly contribute to impaired oxygen utilization and the resulting exercise intolerance in HFpEF. We review key aspects of the complex biology of this organelle, the clinic...

PINK1 regulates mitochondrial morphology via promoting mitochondrial fission in porcine preimplantation embryos.

Phosphatase and tensin homolog-induced kinase 1 (PINK1) on the outer membranes of impaired mitochondria promotes mitophagy and regulates mitochondrial morphology. Mammalian oocytes and early embryos are mitochondria rich, but mitochondrial dynamics during preimplantation embryo development is not well-studied. To investigate whether PINK1 is required for mitochondrial dynamics in porcine preimplantation embryos, gene knockdown and inhibitors were used, and mitochondrial dynamics were observed by transmissio...

Mitochondrial Dysfunction and Multiple Sclerosis.

In recent years, several studies have examined the potential associations between mitochondrial dysfunction and neurodegenerative diseases such as multiple sclerosis (MS), Parkinson's disease and Alzheimer's disease. In MS, neurological disability results from inflammation, demyelination, and ultimately, axonal damage within the central nervous system. The sustained inflammatory phase of the disease leads to ion channel changes and chronic oxidative stress. Several independent investigations have demonstrat...


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