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Molecular Aspects of Cardiometabolic Diseases: From Etiopathogenesis to Potential Therapeutic Targets

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: closed (20 September 2023) | Viewed by 12125

Special Issue Editors

Dr. Iveta Bernatova

E-Mail Website
Guest Editor
Centre of Experimental Medicine, Slovak Academy of Sciences, 841 04 Bratislava, Slovakia
Interests: experimental hypertension; prehypertension; nitric oxide; social stress; vascular function; aging; iron metabolism; oxidative stress; natural polyphenols
Special Issues, Collections and Topics in MDPI journals
Dr. Monika Bartekova

E-Mail Website
Guest Editor
Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia
Interests: coronary artery disease; myocardial infarction; cardioprotective interventions; ischemic conditioning; experimental hypertension; diabetes mellitus; hyperlipidaemia; natural antioxidants; flavonoids; extracellular vesicles; non-coding RNAs
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues, 

Cardiometabolic diseases (CMDs) are a group of common, but often preventable, noncommunicable diseases, including heart attack, stroke, heart failure, hypertension, obesity, type 2 diabetes, insulin resistance, chronic renal failure, nonalcoholic fatty liver disease, and rare metabolic diseases. CMDs represent the most serious health challenge of the 21st century; their increase is parallel to the increase in obesity and hypertension in developing as well as industrialized countries.

The risk factors of CMDs are across a wide spectrum such as living environment, unhealthy diet, physical inactivity, and stress as well as epigenetic and genetic factors. CMDs are also among the medical conditions negatively affecting the prognosis of patients infected with SARS-CoV-2.

The pathophysiology of CMDs involves multiple factors; amongst them are alterations in the sympathetic nervous system, renin–angiotensin–aldosterone system, endothelial dysfunction, inflammation, and oxidative stress. Besides these, defective genes, aberrant gene regulation, and alterations in intracellular and extracellular signaling pathways are implicated in the development of CMDs. Knowledge of these pathomechanisms, specifically regarding various nuclear factors and receptors involved in the regulation of antioxidant defense, nitric oxide production, inflammation, lipid metabolism, energy, and iron metabolism, provides new targets for the prevention and treatment of CMDs.

This Special Issue will focus on novel molecular aspects in the etiopathogenesis of CMDs as well as their prevention and potential therapeutic targets. Original research articles, reviews, and epidemiological studies are welcome.

Dr. Iveta Bernatova
Dr. Monika Bartekova
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • cardiovascular diseases
  • obesity, diabetes, and insulin resistance
  • rare metabolic diseases
  • chronic renal failure
  • nonalcoholic fatty liver disease
  • inflammation
  • oxidative stress
  • gasotransmitters
  • receptors, ion channels, and nuclear factors
  • transcriptional factors
  • extracellular vesicles
  • noncoding RNAs

Published Papers (6 papers)

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Research

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21 pages, 4102 KiB  
Article
Ketogenic Diet Regulates Cardiac Remodeling and Calcium Homeostasis in Diabetic Rat Cardiomyopathy
by Ting-I Lee, Nguyen Ngoc Trang, Ting-Wei Lee, Satoshi Higa, Yu-Hsun Kao, Yao-Chang Chen and Yi-Jen Chen
Int. J. Mol. Sci. 2023, 24(22), 16142; https://doi.org/10.3390/ijms242216142 - 09 Nov 2023
Viewed by 1162
Abstract
A ketogenic diet (KD) might alleviate patients with diabetic cardiomyopathy. However, the underlying mechanism remains unclear. Myocardial function and arrhythmogenesis are closely linked to calcium (Ca2+) homeostasis. We investigated the effects of a KD on Ca2+ homeostasis and electrophysiology in [...] Read more.
A ketogenic diet (KD) might alleviate patients with diabetic cardiomyopathy. However, the underlying mechanism remains unclear. Myocardial function and arrhythmogenesis are closely linked to calcium (Ca2+) homeostasis. We investigated the effects of a KD on Ca2+ homeostasis and electrophysiology in diabetic cardiomyopathy. Male Wistar rats were created to have diabetes mellitus (DM) using streptozotocin (65 mg/kg, intraperitoneally), and subsequently treated for 6 weeks with either a normal diet (ND) or a KD. Our electrophysiological and Western blot analyses assessed myocardial Ca2+ homeostasis in ventricular preparations in vivo. Unlike those on the KD, DM rats treated with an ND exhibited a prolonged QTc interval and action potential duration. Compared to the control and DM rats on the KD, DM rats treated with an ND also showed lower intracellular Ca2+ transients, sarcoplasmic reticular Ca2+ content, sodium (Na+)-Ca2+ exchanger currents (reverse mode), L-type Ca2+ contents, sarcoplasmic reticulum ATPase contents, Cav1.2 contents. Furthermore, these rats exhibited elevated ratios of phosphorylated to total proteins across multiple Ca2+ handling proteins, including ryanodine receptor 2 (RyR2) at serine 2808, phospholamban (PLB)-Ser16, and calmodulin-dependent protein kinase II (CaMKII). Additionally, DM rats treated with an ND demonstrated a higher frequency and incidence of Ca2+ leak, cytosolic reactive oxygen species, Na+/hydrogen-exchanger currents, and late Na+ currents than the control and DM rats on the KD. KD treatment may attenuate the effects of DM-dysregulated Na+ and Ca2+ homeostasis, contributing to its cardioprotection in DM. Full article
(This article belongs to the Special Issue Molecular Aspects of Cardiometabolic Diseases: From Etiopathogenesis to Potential Therapeutic Targets)
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16 pages, 3501 KiB  
Article
Taxifolin Reduces Blood Pressure via Improvement of Vascular Function and Mitigating the Vascular Inflammatory Response in Spontaneously Hypertensive Rats
by Silvia Liskova, Sona Cacanyiova, Martina Cebova, Andrea Berenyiova, Michal Kluknavsky, Andrea Micurova, Katarina Valachova, Ladislav Soltes and Iveta Bernatova
Int. J. Mol. Sci. 2023, 24(16), 12616; https://doi.org/10.3390/ijms241612616 - 09 Aug 2023
Cited by 2 | Viewed by 1163
Abstract
The effect of a 10-day-long treatment with taxifolin (TAX, 20 mg/kg/day p.o.) was investigated on spontaneously hypertensive rats (SHRs) with a focus on the vascular functions of isolated femoral arteries and thoracic aortas. TAX reduced blood pressure in SHRs. In femoral arteries, TAX [...] Read more.
The effect of a 10-day-long treatment with taxifolin (TAX, 20 mg/kg/day p.o.) was investigated on spontaneously hypertensive rats (SHRs) with a focus on the vascular functions of isolated femoral arteries and thoracic aortas. TAX reduced blood pressure in SHRs. In femoral arteries, TAX increased acetylcholine-induced relaxation, reduced the maximal NA-induced contraction, and reduced acetylcholine-induced endothelium-dependent contraction (EDC); however, TAX had no effect on the vascular reactivity of isolated thoracic aortas. In addition, TAX elevated the total nitric oxide synthase (NOS) activity and iNOS protein expression but reduced cyclooxygenase-2 (COX2) protein expression in the tissue of the abdominal aorta without changes in Nos2 and Ptgs2 gene expressions. TAX also increased the gene expression of the anti-inflammatory interleukin-10 (Il10). In addition, in vitro studies showed that TAX has both electron donor and H atom donor properties. However, TAX failed to reduce superoxide production in the tissue of the abdominal aorta after oral administration. In conclusion, our results show that a decrease in the blood pressure in TAX-treated SHRs might be attributed to improved endothelium-dependent relaxation and reduced endothelium-dependent contraction. In addition, the results suggest that the effect of TAX on blood pressure regulation also involves the attenuation of COX2-mediated pro-inflammation and elevation of anti-inflammatory pathways. Full article
(This article belongs to the Special Issue Molecular Aspects of Cardiometabolic Diseases: From Etiopathogenesis to Potential Therapeutic Targets)
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18 pages, 7460 KiB  
Article
Untargeted Lipidomic Profiling Reveals Lysophosphatidylcholine and Ceramide as Atherosclerotic Risk Factors in apolipoprotein E Knockout Mice
by Shi-Hui Law, Hua-Chen Chan, Guan-Ming Ke, Swetha Kamatam, Gopal Kedihithlu Marathe, Vinoth Kumar Ponnusamy and Liang-Yin Ke
Int. J. Mol. Sci. 2023, 24(8), 6956; https://doi.org/10.3390/ijms24086956 - 09 Apr 2023
Cited by 4 | Viewed by 1834
Abstract
Despite the availability and use of numerous cholesterol-lowering drugs, atherosclerotic cardiovascular disease (ASCVD) remains the leading cause of mortality globally. Many researchers have focused their effort on identifying modified lipoproteins. However, lipid moieties such as lysophosphatidylcholine (LPC) and ceramide (CER) contribute to atherogenic [...] Read more.
Despite the availability and use of numerous cholesterol-lowering drugs, atherosclerotic cardiovascular disease (ASCVD) remains the leading cause of mortality globally. Many researchers have focused their effort on identifying modified lipoproteins. However, lipid moieties such as lysophosphatidylcholine (LPC) and ceramide (CER) contribute to atherogenic events. LPC and CER both cause endothelial mitochondrial dysfunction, leading to fatty acid and triglyceride (TG) accumulation. In addition, they cause immune cells to differentiate into proinflammatory phenotypes. To uncover alternative therapeutic approaches other than cholesterol- and TG-lowering medications, we conducted untargeted lipidomic investigations to assess the alteration of lipid profiles in apolipoprotein E knockout (apoE−/−) mouse model, with or without feeding a high-fat diet (HFD). Results indicated that, in addition to hypercholesterolemia and hyperlipidemia, LPC levels were two to four times higher in apoE−/− mice compared to wild-type mice in C57BL/6 background, regardless of whether they were 8 or 16 weeks old. Sphingomyelin (SM) and CER were elevated three- to five-fold in apoE−/− mice both at the basal level and after 16 weeks when compared to wild-type mice. After HFD treatment, the difference in CER levels elevated more than ten-fold. Considering the atherogenic properties of LPC and CER, they may also contribute to the early onset of atherosclerosis in apoE−/− mice. In summary, the HFD-fed apoE−/− mouse shows elevated LPC and CER contents and is a suitable model for developing LPC- and CER-lowering therapies. Full article
(This article belongs to the Special Issue Molecular Aspects of Cardiometabolic Diseases: From Etiopathogenesis to Potential Therapeutic Targets)
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Review

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27 pages, 1960 KiB  
Review
Sexual Dimorphism in Cardiometabolic Diseases: The Role of AMPK
by Miroslava Kvandova, Angelika Puzserova and Peter Balis
Int. J. Mol. Sci. 2023, 24(15), 11986; https://doi.org/10.3390/ijms241511986 - 26 Jul 2023
Viewed by 1173
Abstract
Cardiovascular diseases (CVDs) are the leading cause of mortality and disability among both males and females. The risk of cardiovascular diseases is heightened by the presence of a risk factor cluster of metabolic syndrome, covering obesity and obesity-related cardiometabolic risk factors such as [...] Read more.
Cardiovascular diseases (CVDs) are the leading cause of mortality and disability among both males and females. The risk of cardiovascular diseases is heightened by the presence of a risk factor cluster of metabolic syndrome, covering obesity and obesity-related cardiometabolic risk factors such as hypertension, glucose, and lipid metabolism dysregulation primarily. Sex hormones contribute to metabolic regulation and make women and men susceptible to obesity development in a different manner, which necessitates sex-specific management. Identifying crucial factors that protect the cardiovascular system is essential to enhance primary and secondary prevention of cardiovascular diseases and should be explicitly studied from the perspective of sex differences. It seems that AMP-dependent protein kinase (AMPK) may be such a factor since it has the protective role of AMPK in the cardiovascular system, has anti-diabetic properties, and is regulated by sex hormones. Those findings highlight the potential cardiometabolic benefits of AMPK, making it an essential factor to consider. Here, we review information about the cross-talk between AMPK and sex hormones as a critical point in cardiometabolic disease development and progression and a target for therapeutic intervention in human disease. Full article
(This article belongs to the Special Issue Molecular Aspects of Cardiometabolic Diseases: From Etiopathogenesis to Potential Therapeutic Targets)
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18 pages, 851 KiB  
Review
Benefits of Biotics for Cardiovascular Diseases
by Emília Hijová
Int. J. Mol. Sci. 2023, 24(7), 6292; https://doi.org/10.3390/ijms24076292 - 27 Mar 2023
Cited by 2 | Viewed by 1923
Abstract
Cardiovascular diseases are the main cause of death in many countries, and the better prevention and prediction of these diseases would be of great importance for individuals and society. Nutrition, the gut microbiota, and metabolism have raised much interest in the field of [...] Read more.
Cardiovascular diseases are the main cause of death in many countries, and the better prevention and prediction of these diseases would be of great importance for individuals and society. Nutrition, the gut microbiota, and metabolism have raised much interest in the field of cardiovascular disease research in the search for the main mechanisms that promote cardiovascular diseases. Understanding the interactions between dietary nutrient intake and the gut microbiota-mediated metabolism may provide clinical insight in order to identify individuals at risk of cardiometabolic disease progression, as well as other potential therapeutic targets to mitigate the risk of cardiometabolic disease progression. The development of cardiometabolic diseases can be modulated by specific beneficial metabolites derived from bacteria. Therefore, it is very important to investigate the impact of these metabolites on human health and the possibilities of modulating their production with dietary supplements called biotics. Full article
(This article belongs to the Special Issue Molecular Aspects of Cardiometabolic Diseases: From Etiopathogenesis to Potential Therapeutic Targets)
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31 pages, 963 KiB  
Review
Molecular Mechanisms and Therapeutic Implications of Endothelial Dysfunction in Patients with Heart Failure
by Vasiliki Tsigkou, Evangelos Oikonomou, Artemis Anastasiou, Stamatios Lampsas, George E. Zakynthinos, Konstantinos Kalogeras, Maria Katsioupa, Maria Kapsali, Islam Kourampi, Theodoros Pesiridis, Georgios Marinos, Michael-Andrew Vavuranakis, Dimitris Tousoulis, Manolis Vavuranakis and Gerasimos Siasos
Int. J. Mol. Sci. 2023, 24(5), 4321; https://doi.org/10.3390/ijms24054321 - 21 Feb 2023
Cited by 13 | Viewed by 4259
Abstract
Heart failure is a complex medical syndrome that is attributed to a number of risk factors; nevertheless, its clinical presentation is quite similar among the different etiologies. Heart failure displays a rapidly increasing prevalence due to the aging of the population and the [...] Read more.
Heart failure is a complex medical syndrome that is attributed to a number of risk factors; nevertheless, its clinical presentation is quite similar among the different etiologies. Heart failure displays a rapidly increasing prevalence due to the aging of the population and the success of medical treatment and devices. The pathophysiology of heart failure comprises several mechanisms, such as activation of neurohormonal systems, oxidative stress, dysfunctional calcium handling, impaired energy utilization, mitochondrial dysfunction, and inflammation, which are also implicated in the development of endothelial dysfunction. Heart failure with reduced ejection fraction is usually the result of myocardial loss, which progressively ends in myocardial remodeling. On the other hand, heart failure with preserved ejection fraction is common in patients with comorbidities such as diabetes mellitus, obesity, and hypertension, which trigger the creation of a micro-environment of chronic, ongoing inflammation. Interestingly, endothelial dysfunction of both peripheral vessels and coronary epicardial vessels and microcirculation is a common characteristic of both categories of heart failure and has been associated with worse cardiovascular outcomes. Indeed, exercise training and several heart failure drug categories display favorable effects against endothelial dysfunction apart from their established direct myocardial benefit. Full article
(This article belongs to the Special Issue Molecular Aspects of Cardiometabolic Diseases: From Etiopathogenesis to Potential Therapeutic Targets)
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