Atherosclerotic Cardiovascular Disease (ASCVD), Dyslipidemia, and CV Residual Risk: From Mechanisms to Therapeutic Approaches 2.0

A special issue of Biomedicines (ISSN 2227-9059). This special issue belongs to the section "Molecular and Translational Medicine".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 9838

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Council of National Research (CNR), Institute of Clinical Physiology, Pisa, Italy
Interests: cardiovascular disease; atherosclerosis; risk factors; biomarker; molecular biology; personalized medicine
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Guest Editor
Fdn CNR Reg Toscana G Monasterio, Cardiovasc Dept., Via G Moruzzi 1, I-56124 Pisa, Italy
Interests: coronary artery disease
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Adverse cardiovascular (CV) events due to atherosclerotic plaque development and progression have been linked to dyslipidemia, which includes a wide variety of biochemical disorders. Among dyslipidemia factors, the main reason for atherosclerosis development and subsequent CV events is deemed to be low-density lipoprotein cholesterol (LDL-C). Although less evident, other lipids are supposed to contribute to atherosclerosis development, especially in the absence of high LDL-C levels. Plasma triglycerides and TG-rich lipoproteins are emerging new determinants of atherosclerotic cardiovascular disease (ASCVD) risk, predisposing to atherogenesis and involving endothelial dysfunction. In this setting, a number of mechanisms result in lower levels of HDL-C, reduced reverse cholesterol transport (RCT), increased proportion of small, dense HDL and LDL particles with less anti-inflammatory and more pro-atherogenic effects. This specific lipid profile may directly contribute to cause or sustain abnormalities in glucose homeostasis and insulin secretion that characterize the pre-diabetic state. This complex cardiometabolic risk profile, which characterizes the metabolic syndrome, obesity, pre-diabetic and type-2 diabetic states, is considered to predict severe CV events independently of LDL-C levels, thus identifying patients with a “residual CV risk”. In these patients, further strategies may be required to adequately reduce this residual risk. Early identification and screening tools for atherogenic dyslipidemias, particularly in individuals at low to moderate CV risk, could guide interventions to improve primary prevention, including lifestyle modification or drug treatment. New therapeutic strategies based on molecular mechanisms underlying atherogenic dyslipidemias are needed for the treatment of the residual risk profiles. Among them, possible pharmacological targets considered to be relevant, including systemic inflammation and hypertriglyceridaemia, are emerging.

Dr. Chiara Caselli
Dr. Danilo Neglia
Guest Editors

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Keywords

  • atherosclerotic cardiovascular disease (ASCVD)
  • dyslipidemia
  • CV residual risk
  • CV mechanisms
  • therapeutic approaches

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Published Papers (5 papers)

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Research

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13 pages, 1273 KiB  
Article
Familial Hypercholesterolemia in the Elderly: An Analysis of Clinical Profile and Atherosclerotic Cardiovascular Disease Burden from the Hellas-FH Registry
by Christina Antza, Christos V. Rizos, Vasileios Kotsis, George Liamis, Ioannis Skoumas, Loukianos Rallidis, Anastasia Garoufi, Genovefa Kolovou, Konstantinos Tziomalos, Emmanouil Skalidis, George Sfikas, Michalis Doumas, Vaia Lambadiari, Panagiotis Anagnostis, Kimon Stamatelopoulos, Georgia Anastasiou, Iosif Koutagiar, Estela Kiouri, Vana Kolovou, Georgios Polychronopoulos, Evangelos Zacharis, Charalambos Koumaras, Chrysoula Boutari, Haralampos Milionis and Evangelos Liberopoulosadd Show full author list remove Hide full author list
Biomedicines 2024, 12(1), 231; https://doi.org/10.3390/biomedicines12010231 - 19 Jan 2024
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Abstract
Background: Familial hypercholesterolemia (FH) carries a high risk of atherosclerotic cardiovascular disease (ASCVD). As the population ages, the age-related influence on clinical characteristics and outcomes becomes increasingly pertinent. This cross-sectional analysis from the HELLAS-FH registry aims to explore potential differences in clinical characteristics, [...] Read more.
Background: Familial hypercholesterolemia (FH) carries a high risk of atherosclerotic cardiovascular disease (ASCVD). As the population ages, the age-related influence on clinical characteristics and outcomes becomes increasingly pertinent. This cross-sectional analysis from the HELLAS-FH registry aims to explore potential differences in clinical characteristics, treatment, ASCVD, and goal achievement between those younger and older than 65 years with FH. Results: A total of 2273 adults with heterozygous FH (51.4% males) were studied. Elderly FH patients (n = 349) had a higher prevalence of ASCVD risk factors, such as hypertension (52.1% vs. 20.9%, p < 0.05) and type 2 diabetes (16.9% vs. 6.0%, p < 0.05), compared to younger patients (n = 1924). They also had a higher prevalence of established ASCVD (38.4% vs. 23.1%, p < 0.001), particularly CAD (33.0% vs. 20.2%, p < 0.001), even after adjusting for major ASCVD risk factors. Elderly patients were more frequently and intensively receiving lipid-lowering treatment than younger ones. Although post-treatment LDL-C levels were lower in elderly than younger patients (125 vs. 146 mg/dL, p < 0.05), both groups had similar attainment of the LDL-C target (3.7% vs. 3.0%). Conclusions: Elderly FH patients have a higher prevalence of ASCVD, particularly CAD. Despite more aggressive treatment, the achievement of LDL-C targets remains very poor. These results emphasize the importance of early FH diagnosis and treatment in reducing ASCVD. Full article
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10 pages, 433 KiB  
Article
Association between Low-Density Lipoprotein Cholesterol and Vascular Biomarkers in Primary Prevention
by Michaela Kozakova, Carmela Morizzo, Giuli Jamagidze, Daniele Della Latta, Sara Chiappino, Dante Chiappino and Carlo Palombo
Biomedicines 2023, 11(6), 1753; https://doi.org/10.3390/biomedicines11061753 - 18 Jun 2023
Cited by 1 | Viewed by 1135
Abstract
Several noninvasive vascular biomarkers have been proposed to improve risk stratification for atherothrombotic events. To identify biomarkers suitable for detecting intermediate-risk individuals who might benefit from lipid-lowering treatment in primary prevention, the present study tested the association of plasma LDL-cholesterol with coronary artery [...] Read more.
Several noninvasive vascular biomarkers have been proposed to improve risk stratification for atherothrombotic events. To identify biomarkers suitable for detecting intermediate-risk individuals who might benefit from lipid-lowering treatment in primary prevention, the present study tested the association of plasma LDL-cholesterol with coronary artery calcification (CAC) Agatston score, high carotid and femoral intima-media thickness (IMT), low carotid distensibility and high carotid-femoral pulse-wave velocity in 260 asymptomatic individuals at intermediate cardiovascular risk and without diabetes and lipid-lowering treatment. High or low vascular biomarkers were considered when their value was above the 95th or below the 5th percentile, respectively, of the distribution in the healthy or in the study population. LDL-cholesterol was independently associated with the CAC score = 0 (OR 0.67; 95%CI 0.48–0.92, p = 0.01), CAC score > 100 (1.59; 1.08–2.39, p = 0.01) and high common femoral artery (CFA) IMT (1.89; 1.19–3.06, p < 0.01), but not with other biomarkers. Our data confirm that in individuals at intermediate risk, lipid-lowering treatment can be avoided in the presence of a CAC score = 0, while it should be used with a CAC score > 100. CFA IMT could represent a useful biomarker for decisions regarding lipid-lowering treatment. However, sex- and age-specific reference values should be established in a large healthy population. Full article
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29 pages, 6916 KiB  
Article
Effects of Atherogenic Factors on Endothelial Cells: Bioinformatics Analysis of Differentially Expressed Genes and Signaling Pathways
by Stanislav Kotlyarov
Biomedicines 2023, 11(4), 1216; https://doi.org/10.3390/biomedicines11041216 - 19 Apr 2023
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Abstract
(1) Background: Atherosclerosis is a serious medical condition associated with high morbidity and mortality rates. It develops over many years as a complex chain of events in the vascular wall involving various cells and is influenced by many factors of clinical interest. (2) [...] Read more.
(1) Background: Atherosclerosis is a serious medical condition associated with high morbidity and mortality rates. It develops over many years as a complex chain of events in the vascular wall involving various cells and is influenced by many factors of clinical interest. (2) Methods: In this study, we performed a bioinformatic analysis of Gene Expression Omnibus (GEO) datasets to investigate the gene ontology of differentially expressed genes (DEGs) in endothelial cells exposed to atherogenic factors such as tobacco smoking, oscillatory shear, and oxidized low-density lipoproteins (oxLDL). DEGs were identified using the limma R package, and gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment, and protein–protein interaction (PPI) network analysis were performed. (3) Results: We studied biological processes and signaling pathways involving DEGs in endothelial cells under the influence of atherogenic factors. GO enrichment analysis demonstrated that the DEGs were mainly involved in cytokine-mediated signaling pathway, innate immune response, lipid biosynthetic process, 5-lipoxygenase activity, and nitric-oxide synthase activity. KEGG pathway enrichment analysis showed that common pathways included tumor necrosis factor signaling pathway, NF-κB signaling pathway, NOD-like receptor signaling pathway, lipid and atherosclerosis, lipoprotein particle binding, and apoptosis. (4) Conclusions: Atherogenic factors such as smoking, impaired flow, and oxLDL contribute to impaired innate immune response, metabolism, and apoptosis in endothelial cells, potentially leading to the development of atherosclerosis. Full article
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Review

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13 pages, 787 KiB  
Review
Age and the Residual Risk of Cardiovascular Disease following Low Density Lipoprotein-Cholesterol Exposure
by Carola S. König, Amar Mann, Rob McFarlane, John Marriott, Malcolm Price and Sudarshan Ramachandran
Biomedicines 2023, 11(12), 3208; https://doi.org/10.3390/biomedicines11123208 - 02 Dec 2023
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Abstract
We believe that there is sufficient evidence from basic science, longitudinal cohort studies and randomised controlled trials which validates the low-density lipoprotein cholesterol (LDL-C) or lipid hypothesis. It is important that we can communicate details of the cardiovascular disease (CVD) risk reduction that [...] Read more.
We believe that there is sufficient evidence from basic science, longitudinal cohort studies and randomised controlled trials which validates the low-density lipoprotein cholesterol (LDL-C) or lipid hypothesis. It is important that we can communicate details of the cardiovascular disease (CVD) risk reduction that the average patient could expect depending on the scale of LDL-C decrease following lipid lowering therapy. It is also essential that residual risk (ResR) of CVD be highlighted. To achieve this aim by using existing trial evidence, we developed mathematical models initially for relative risk reduction (RRR) and absolute risk (AR) reduction and then showed that despite optimising LDL-C levels, a considerable degree of ResR remains that is dependent on AR. Age is significantly associated with AR (odds ratio: 1.02, 95% confidence intervals: 1.01–1.04) as was previously demonstrated by analysing the Whickham study cohort using a logistic regression model (age remaining significant even when all the other significant risk factors such as sex, smoking, systolic blood pressure, diabetes and family history were included in the regression model). A discussion of a paper by Ference et al. provided detailed evidence of the relationship between age and AR, based on lifetime LDL-C exposure. Finally, we discussed non-traditional CVD risk factors that may contribute to ResR based on randomised controlled trials investigating drugs improving inflammation, thrombosis, metabolic and endothelial status. Full article
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25 pages, 1032 KiB  
Review
Hyperlipidemia and Cardiovascular Risk in Children and Adolescents
by Francesca Mainieri, Saverio La Bella and Francesco Chiarelli
Biomedicines 2023, 11(3), 809; https://doi.org/10.3390/biomedicines11030809 - 07 Mar 2023
Cited by 6 | Viewed by 4367
Abstract
Atherosclerotic cardiovascular disease (ASCVD) represents the major cause of morbidity and mortality worldwide. The onset of the atherosclerosis process occurs during childhood and adolescence, subsequently leading to the onset of cardiovascular disease as young adults. Several cardiovascular risk factors can be identified in [...] Read more.
Atherosclerotic cardiovascular disease (ASCVD) represents the major cause of morbidity and mortality worldwide. The onset of the atherosclerosis process occurs during childhood and adolescence, subsequently leading to the onset of cardiovascular disease as young adults. Several cardiovascular risk factors can be identified in children and adolescents; however, hyperlipidemia, in conjunction with the global obesity epidemic, has emerged as the most prevalent, playing a key role in the development of ASCVD. Therefore, screening for hyperlipidemia is strongly recommended to detect high-risk children presenting with these disorders, as these patients deserve more intensive investigation and intervention. Treatment should be initiated as early as possible in order to reduce the risk of future ASCVD. In this review, we will discuss lipid metabolism and hyperlipidemia, focusing on correlations with cardiovascular risk and screening and therapeutic management to reduce or almost completely avoid the development of ASCVD. Full article
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