Nrf2 as a Potential Mediator of Cardiovascular Risk in Metabolic Diseases

Conclusion Activation of the Nrf2-dependent antioxidant system plays an important role in cell defense against oxidative stress damage, whereas the insufficiency of the Nrf2 system is associated with multiple aspects of the genesis and progression of metabolic diseases, posing a great risk to the cardiovascular system (Figure 1). The systemic increase of Nrf2 activity by several activators may be beneficial in the treatment of metabolic diseases. In addition, selective upregulation of Nrf2 genes may represent a potential therapy in obesity, diabetes and atherosclerosis. Looking to the future, experimental research that elucidates the role of Nrf2 activation in specific tissues, such as adipose tissue, liver, pancreas and others, is important for better understanding of the multiple roles of Nrf2. Additional studies may also provide new redox balance-targeted therapy for the treatment of metabolic diseases and consequent mitigation of cardiovascular risk. FIGURE 1 Figure 1. Mechanisms involved in the actions of reactive oxygen species that lead to metabolic diseases and cardiovascular risk development. Metabolic diseases are closely associated with increased generation of reactive oxygen species (ROS) due to reduced Nrf2 antioxidant activity. This phenomenon culminates in target-organ damage and metabolism disorders, such as adipogenesis and adipose tissue inflammation, increased production of hepatic cholesterol, decreased insulin secretion, insulin resistance, los...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research

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AbstractIntroductionMaternal perception of fetal movements has long been considered an indicator of fetal well ‐being. A sudden decrease in the number of fetal movements is suggestive of fetal compromise. We aimed to determine whether the maternal perception of reduced fetal movements (RFM) is associated with placental pathological lesions in a low‐risk term population.Material and methodsOur study was a case ‐control study that was performed in a single university center. Placental histopathology, maternal demographics, labor characteristics, and neonatal outcomes of term, singleton pregnancies with maternal percept...
Source: Acta Obstetricia et Gynecologica Scandinavica - Category: OBGYN Authors: Tags: ORIGINAL RESEARCH ARTICLE Source Type: research
Extreme tiredness can affect us all. Are you finding it increasingly difficult to gather the energy to do things as the evening draws in? One nutritional therapist can help.
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CONCLUSION: The authors report an unusual case of ruptured jejunal GIST with hemoperitoneum mimicking ovarian carcinoma. Therefore, GIST, in addition to ovarian cancer, should be considered in patients with an increased serum level of CA-125 and an abdominopelvic mass. PMID: 32055272 [PubMed]
Source: International Journal of Clinical and Experimental Pathology - Category: Pathology Authors: Tags: Int J Clin Exp Pathol Source Type: research
Abstract V-domain Ig suppressor of T-cell activation (VISTA), which belongs to the B7 family and is expressed predominantly on hematopoetic cells, myeloid, granulocytic and T cells, can suppresses T-cell activation in vivo and vitro. The blockade of VISTA has displayed brilliant results in certain murine tumor models. But to date, little is known about the expression and impact of VISTA in human cervical cancer (CC). To fill this gap of information, we systemically investigated the expression of VISTA on tumor cells, intratumoral immune cells (ICs) and vascular endothelial cells (VECs) in a group of patients with ...
Source: International Journal of Clinical and Experimental Pathology - Category: Pathology Authors: Tags: Int J Clin Exp Pathol Source Type: research
Abstract AIM: The underlying mechanisms of chemoresistance-induced recurrence of ovarian carcinoma are largely unknown. The purpose of this study was to investigate the clinical significance of RAD51C and its role in ovarian tumorigenesis and progression. METHODS: 60 cases of ovarian epithelial tumors (30 benign and 30 malignant tumors, respectively) were enrolled from 2014 to 2016. Immunohistochemistry was used to evaluate RAD51C expression in tumor tissues, and RT-PCR was employed to test RAD51C mRNA levels in SKOV3, A2780, and CAOV3 cell lines. Targeted knockdown of RAD51C was achieved with siRNA to explor...
Source: International Journal of Clinical and Experimental Pathology - Category: Pathology Authors: Tags: Int J Clin Exp Pathol Source Type: research
CONCLUSION: NORAD knockdown suppressed cell proliferation, migration and invasion but promoted cell apoptosis in lung cancer cells by regulating miR-30a-5p/ADAM19, providing a possible therapeutic strategy for lung cancer patients. PMID: 32055266 [PubMed]
Source: International Journal of Clinical and Experimental Pathology - Category: Pathology Authors: Tags: Int J Clin Exp Pathol Source Type: research
The objective of the present work was to isolate and chemically characterize the active compounds of the methanolic extract of the roots of I. sonorae and to evaluate their antiproliferative activity and induction of apoptosis. By chromatographic column separation and using NMR spectroscopy experiments, cucurbitacin IIb (CIIb), known as 23,24-dihydrocucurbitacin F or hemslecin B, was isolated and identified for the first time as a chemical constituent of the crude methanolic extract of this plant. The antiproliferative activity of CIIb was evaluated by MTT assay, and the apoptosis induction capacity was monitored by annexi...
Source: Steroids - Category: Drugs & Pharmacology Source Type: research
Publication date: Available online 14 February 2020Source: SteroidsAuthor(s): Marina P. Savić, Dušan Dj. Škorić, Ivana Z. Kuzminac, Dimitar S. Jakimov, Vesna V. Kojić, Lucie Rárová, Miroslav Strnad, Evgenija A. DjurendićAbstractThis paper describes the synthesis of a new A-homo lactam D-homo lactone androstane derivative from dehydroepiandrosterone. To evaluate the impact of the introduction of nitrogen in the parental scaffold on biological activity, a new androstane enamide-type lactam derivative was prepared and characterized. The new compound as well as starting compounds were screened f...
Source: Steroids - Category: Drugs & Pharmacology Source Type: research
Publication date: Available online 14 February 2020Source: SteroidsAuthor(s): Gabriella Ambrosio, Jan Felix Joseph, Bernhard Wuest, Monica Mazzarino, Xavier de la Torre, Patrick Diel, Francesco Botrè, Maria Kristina ParrAbstractThe polyhydroxylated phytosteroid ecdysterone is present in various plants (e.g. spinach). It is widely marketed as the active component of dietary supplements, due to its reported health and performance promoting effects. For evaluation of its actual bioavailability, a fast and sensitive method was developed, optimized and validated for human serum. Instrumental analysis was performed utiliz...
Source: Steroids - Category: Drugs & Pharmacology Source Type: research
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