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PubMed Journals Articles About "Mitochondrial Dysfunction Atherosclerosis" - Page: 2 RSS

04:26 EDT 17th July 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 26–50 of 5,900+

Angiotensin II Receptor Type 1 Antagonists Modulate Vascular Smooth Muscle Cell Proliferation and Migration via AMPK/mTOR.

The aberrant proliferation and migration of vascular smooth muscle cells (VSMCs) in the vascular wall are crucial pathological events involved in cardiovascular impairments including hypertension, heart failure, and atherosclerosis. At the molecular level, the mammalian target of rapamycin (mTOR)-ribosomal protein S6 kinase beta-1 (p70S6K) signaling pathway is essential to potentiate VSMC proliferation and migration. Although angiotensin II receptor type 1 -(AT1-R) antagonists such as valsartan and telmisar...


Hallucinations, somatic-functional disorders of PD-DLB as expressions of thalamic dysfunction.

Hallucinations, delusions, and functional neurological manifestations (conversion and somatic symptom disorders) of Parkinson's disease (PD) and dementia with Lewy bodies increase in frequency with disease progression, predict the onset of cognitive decline, and eventually blend with and are concealed by dementia. These symptoms share the absence of reality constraints and can be considered comparable elements of the PD-dementia with Lewy bodies psychosis. We propose that PD-dementia with Lewy bodies psycho...

Micro RNAs upregulated in Vitiligo skin play an important role in its aetiopathogenesis by altering TRP1 expression and keratinocyte-melanocytes cross-talk.

Translation of genes is regulated by many factors including microRNAs (miRNAs). miRNA profiling of lesional and non-lesional epidermal RNA from 18 vitiligo patients revealed significant upregulation of 29 miRNAs in the lesional epidermis, of which 6 miRNAs were transfected in normal human epidermal keratinocytes (NHEKs) to study their downstream effects using quantitative proteomics. Many proteins involved in oxidative stress, Vesicle trafficking, Cellular apoptosis, Mitochondrial proteins and Keratins were...


Anti-androgenic therapy with finasteride in patients with chronic heart failure - a retrospective propensity score based analysis.

Sex hormones influence the prevalence and the outcome of heart diseases. The conversion of testosterone to its more active metabolite dihydrotestosterone drives cardiac growth and dysfunction, while inhibition of this step by the anti-androgenic drug finasteride counteracts these pathological processes in preclinical models. In this retrospective, observational study, we aim to investigate whether finasteride, which is in clinical use mainly for prostate disease, might ameliorate cardiac hypertrophy and hea...

Oxidative stress as candidate therapeutic target to overcome microenvironmental protection of CLL.

Chronic lymphocytic leukemia (CLL) cells depend on microenvironmental non-malignant cells for survival. We compared the transcriptomes of primary CLL cells cocultured or not with protective bone marrow stromal cells (BMSCs) and found that oxidative phosphorylation, mitochondrial function, and hypoxic signaling undergo most significant dysregulation in non-protected CLL cells, with the changes peaking at 6-8 h, directly before induction of apoptosis. A subset of CLL patients displayed a gene expression sig...

Comorbidity burden in systemic sclerosis: beyond disease-specific complications.

Systemic sclerosis (SSc) is a chronic, systemic disease characterized by fibrosis of the skin and internal organs, vasculopathy, and auto-immune activation. On the top of severe organ involvement such as interstitial lung and myocardial fibrosis, pulmonary hypertension, and renal crisis, individuals diagnosed with SSc may suffer from a number of comorbidities. This is a narrative review according to published recommendations and we searched the online databases MEDLINE and EMBASE using as key words the foll...

Comparative transcriptome analysis reveals potential fruiting body formation mechanisms in Morchella importuna.

Morchella importuna has been artificially cultivated, but stable production remains difficult because its mechanisms of fruiting body formation are unclear. To investigate the fruiting body formation mechanisms, we sequenced the transcriptomes of Morchella importuna at the mycelial and young fruiting body stages. Among the 12,561 differentially expressed genes (DEGs), 9215 were upregulated, and 3346 were downregulated. DEG enrichment analysis showed that these genes were enriched in the "generation of precu...

Effects of streptozotocin and S-allyl-L-cysteine on motility, plasma membrane integrity, and mitochondrial activity of boar spermatozoa.

This study investigated the effects of streptozotocin (STZ) and S-allyl-L-cysteine (SAC) on motility, plasma membrane integrity, and mitochondrial activity of the boar sperm. STZ (0, 10, 50, and 100 μM) and SAC (0, 1, 5, 25, and 100 μM) were treated alone and co-treated in the fresh boar semen. The motility, plasma membrane integrity, and mitochondrial activity of sperm were analyzed at 3, 6, and 9 h after incubation. Boar semen was collected using the gloved-hand method from ten crossbred male pigs, a...

Prevalence of Sleep Apnea in Patients with Carotid Artery Stenosis.

Obstructive sleep apnea (OSA) is a common disease affecting about 13% of men and 6% of women, usually having severe cardiovascular sequalae. OSA is responsible for the systemic inflammatory response and oxidative stress and results in endothelial injury being a risk factor for atherosclerosis. The aim of this study was to estimate the prevalence of OSA among patients with severe carotid artery stenosis. Fifty-five patients (F/M-24/31, mean age 70 ± 7 years, body mass index 28.3 ± 6.3 kg/m) were enrolled i...

Hypertension and patients with acute coronary syndrome: Putting blood pressure levels into perspective.

Arterial hypertension is a well-established cardiovascular risk factor, and blood pressure (BP) control has largely improved the prognosis of hypertensive patients. A number of studies have assessed the role of BP levels in the prognosis of patients with acute coronary syndromes. Pathophysiologic links of hypertension to acute myocardial infarction (MI) include endothelial dysfunction, autonomic nervous system dysregulation, impaired vasoreactivity, and a genetic substrate. A history of hypertension is high...

Diacetyl Hexamethylene Diamine (CAHB) Exerts Pro-Apoptotic and Anti-Proliferative Function in Leukemic T Lymphocytes via Downregulating PI3K/Akt Signaling.

BACKGROUND T cell acute lymphoblastic leukemia (T-ALL) is an aggressive hematologic malignancy caused by abnormal proliferation of immature T cell progenitors. Chemotherapy of T-ALL usually consists of induction, consolidation, and long-term maintenance. Diacetyl hexamethylene diamine (CAHB) is a newly developed agent that induces the differentiation of malignant cells and deprives their clonal growth ability. Since its effect on T-ALL has not been previously determined, we evaluated its potential function ...

Structural insights into the recognition of Nucleoside Reverse Transcriptase Inhibitors (NRTIs) by HIV-1 reverse transcriptase: First crystal structures with RT and the active triphosphate forms of lamivudine and emtricitabine.

The retrovirus HIV-1 has been a major health issue since its discovery in the early 80s. In 2017, over 37 million people were infected with HIV-1, of which 1.8 million were new infections that year. Currently, the most successful treatment regimen is the highly active anti-retroviral therapy (HAART), which consists of a combination of three to four of the current 26 FDA-approved HIV-1 drugs. Half of these drugs target the reverse transcriptase (RT) enzyme that is essential for viral replication. One class o...

A novel LGI1 missense mutation causes dysfunction in cortical neuronal migration and seizures.

To explore the causative genes and pathogenesis of autosomal dominant partial epilepsy with auditory features in a large Chinese family that includes 7 patients over four generations.

Obstructing Granuloma in Main pulmonary trunk.

A patient with main pulmonary artery mass may have severe symptoms and warrants urgent surgical management while in a stable patient with a diagnosis amenable to medical treatment, medical management should be started while monitoring the size of the lesion. We report a case where patient developed severe right heart dysfunction due to obstruction of main pulmonary artery, diagnosed as a probable thrombus and was taken up for urgent surgical excision, later diagnosed as tuberculoma on histopathological exam...

Lidocaine turns the surface charge of biological membranes more positive and changes the permeability of blood-brain barrier culture models.

The surface charge of brain endothelial cells forming the blood-brain barrier (BBB) is highly negative due to phospholipids in the plasma membrane and the glycocalyx. This negative charge is an important element of the defense systems of the BBB. Lidocaine, a cationic and lipophilic molecule which has anaesthetic and antiarrhytmic properties, exerts its actions by interacting with lipid membranes. Lidocaine when administered intravenously acts on vascular endothelial cells, but its direct effect on brain en...

Ginsenoside Rg5 induces G2/M phase arrest, apoptosis and autophagy via regulating ROS-mediated MAPK pathways against human gastric cancer.

Ginsenoside Rg5, a rare saponin belonging to the family of protopanaxadiol ginsenosides, has been demonstrated to have potential anti-tumor effects in various cancers. However, the effect of Rg5 on human gastric cancer and the underlying molecular mechanisms remain to be elucidated. In this study, Rg5 could suppress cell proliferation by causing G2/M phase arrest. Treatment with Rg5 could induce apoptosis through the extrinsic death receptor and intrinsic mitochondrial pathways. Autophagy induction was demo...

The lymphocyte adapter protein: A negative regulator of myocardial ischemia/reperfusion injury.

Myocardial ischemia/reperfusion (I/R) injury is the major limitation for the cardioprotective action of revascularization after myocardial infarction. Lymphocyte adapter protein (Lnk), an adapter protein, has a regulatory role in multiple signaling pathways by functioning as a scaffold for different substrates. However, the involvement of Lnk in myocardial I/R injury remains to be established. In this study, increased expression of Lnk was detected upon the development of myocardial I/R injury. Mice were ge...

Mitochondrial Degradation of Amyloidogenic Proteins-A New Perspective for Neurodegenerative Diseases.

This perspective article outlines mechanisms of mitochondrial import and protein degradation and how these have been linked to alpha-synuclein and Amyloid beta (Aβ) homeostasis. Our aim is to underpin and stimulate the debate on the recent conception of mitochondria as protein degrading organelles, which suggests that mitochondria are more directly involved in neurodegenerative diseases than previously assumed.

Perturbed Ca-dependent signaling of DYT2 hippocalcin mutant as mechanism of autosomal recessive dystonia.

A recent report of autosomal-recessive primary isolated dystonia (DYT2 dystonia) identified mutations in HPCA, a gene encoding a neuronal calcium sensor protein, hippocalcin (HPCA), as the cause of this disease. However, how mutant HPCA leads to neuronal dysfunction remains unknown. Using a multidisciplinary approach, we demonstrated the failure of dystonic N75K HPCA mutant to decode short bursts of action potentials and theta rhythms in hippocampal neurons by its Ca-dependent translocation to the plasma me...

Localisation of oxysterols at the sub-cellular level and in biological fluids.

Oxysterols are oxidized derivatives of cholesterol that are formed enzymatically or via reactive oxygen species or both. Cholesterol or oxysterols ingested as food are absorbed and packed into lipoproteins that are taken up by hepatic cells. Within hepatic cells, excess cholesterol is metabolised to form bile acids. The endoplasmic reticulum acts as the main organelle in the bile acid synthesis pathway. Metabolised sterols originating from this pathway are distributed within other organelles and in the cell...

Changes in blood-brain barrier permeability and ultrastructure, and protein expression in a rat model of cerebral hypoperfusion.

Cerebral hypoperfusion involved a reduction in cerebral blood flow, leading to neuronal dysfunction, microglial activation and white matter degeneration. The effects on the blood-brain barrier (BBB) however, have not been well-documented. Here, two-vessel occlusion model was adopted to mimic the condition of cerebral hypoperfusion in Sprague-Dawley rats. The BBB permeability to high and low molecular weight exogenous tracers i.e. Evans blue dye and sodium fluorescein respectively, showed marked extravasatio...

Paeonol protects mitochondrial injury and prevents pulmonary vascular remodeling in hypoxia.

Mitochondrial injury of pulmonary artery smooth muscle cells (PASMCs) is an important stage in the development of pulmonary arterial hypertension (PAH). Recent studies revealed that Paeonol exerts anti-proliferative effects on vascular smooth muscle cells. However, whether Paeonol is directly involved in mitochondrial injury related to PAH remains unknown. Here, we found that hypoxia-induced mitochondrial injury in vivo was alleviated in the presence of Paeonol. Hypoxia mediated the mitochondrial injuries i...

Borneol alleviates brain injury in sepsis mice by blocking neuronal effect of endotoxin.

Brain injury after sepsis leads to high mortality and long-term brain dysfunction in patients. Previous studies revealed that borneol has a protective effect on the brain, but its function on sepsis associated encephalopathy (SAE) remains unknown. Herein, we investigated the protective effect of borneol against sepsis-related brain injury.

The complete mitochondrial genome of Echinostoma miyagawai: Comparisons with closely related species and phylogenetic implications.

Echinostoma miyagawai (Trematoda: Echinostomatidae) is a common parasite of poultry that also infects humans. Es. miyagawai belongs to the "37 collar-spined" or "revolutum" group, which is very difficult to identify and classify based only on morphological characters. Molecular techniques can resolve this problem. The present study, for the first time, determined, and presented the complete Es. miyagawai mitochondrial genome. A comparative analysis of closely related species, and a reconstruction of Echinos...

Ulcerative Colitis and Crohn's Disease Have the Same Burden and Goals for Treatment.

It is unclear whether ulcerative colitis (UC) is a progressive disease like Crohn's disease (CD). Patients with UC are often undertreated, because of the possibility of curative colectomy and the perception that the disease burden is lower than that of CD. We discuss findings from studies that aimed to determine whether UC and CD have the same disease burden and should be treated in the same intensive way. We discuss the similarities between CD and UC, including effects on quality of life, long-term complic...


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