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Special Issue "Dietary Cholesterol:Is It Related to Chronic Disease"

A special issue of Nutrients (ISSN 2072-6643).

Deadline for manuscript submissions: 30 April 2018

Special Issue Editors

Guest Editor
Prof. Maria Luz Fernandez

Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA
Website | E-Mail
Phone: 860-486-5547
Interests: coronary heart disease; dietary cholesterol; atherosclerosis; fatty liver; metabolic syndrome; diabetes
Guest Editor
Prof. Christopher Blesso

University of Connecticut, Department of Nutritional Sciences, 3624 Horsebarn Road Ext, Storrs, CT 06269, USA
Website | E-Mail
Interests: lipoprotein metabolism; obesity; inflammation; atherosclerosis; dietary bioactives; diabetes; phospholipids

Special Issue Information

Dear Colleagues:

Dietary cholesterol is a controversial nutrient, which needs to be further discussed. On the one hand, many countries, including the United States, do not have specific recommendations to limit the intake of cholesterol while, on the other hand, dietary cholesterol is used to induce disease states in animal models. These two contradictory statements bring a high level of uncertainty regarding the role of dietary cholesterol in promoting disease. It is important to understand that in the case of animal models, dietary cholesterol is used in pharmacological doses as a means for developing atherosclerosis, increasing systemic inflammation, and promoting non-alcoholic fatty liver disease. In most cases, the extreme doses given to animal models are to study specific metabolic alterations or pathways associated with the disease, and are not used as models of the human response to dietary cholesterol. The scientific community should be able to unequivocally distinguish between the amount of cholesterol provided in the typical human diet, versus the much larger doses of dietary cholesterol used to induce chronic disease in animal models.

This Special Issue will include topics related to the effects of dietary cholesterol on 1) epidemiological studies of dietary cholesterol and human disease, 2) clinical studies examining dietary cholesterol provided by the regular diet (including high cholesterol foods) and disease risk, and 3) the relationship of dietary cholesterol to development of chronic disease in animal models.

Prof. Maria Luz Fernandez
Prof. Christopher Blesso
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 papers will be 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. Nutrients is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). 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

  • Dietary cholesterol
  • clinical studies
  • epidemiology
  • plasma lipoproteins
  • reverse cholesterol transport
  • animal studies
  • atherosclerosis
  • inflammation
  • fatty liver
  • oxidative stress

Published Papers (2 papers)

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Research

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Open AccessArticle Intake of 3 Eggs per Day When Compared to a Choline Bitartrate Supplement, Downregulates Cholesterol Synthesis without Changing the LDL/HDL Ratio
Nutrients 2018, 10(2), 258; doi:10.3390/nu10020258 (registering DOI)
Received: 15 January 2018 / Revised: 8 February 2018 / Accepted: 17 February 2018 / Published: 24 February 2018
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Abstract
Cardiovascular disease (CVD) risk is associated with high concentrations of low-density lipoprotein cholesterol (LDL-C). The impact of dietary cholesterol on plasma lipid concentrations still remains a concern. The effects of egg intake in comparison to choline bitartrate supplement was studied in a young,
[...] Read more.
Cardiovascular disease (CVD) risk is associated with high concentrations of low-density lipoprotein cholesterol (LDL-C). The impact of dietary cholesterol on plasma lipid concentrations still remains a concern. The effects of egg intake in comparison to choline bitartrate supplement was studied in a young, healthy population. Thirty participants were enrolled for a 13-week intervention. After a 2-week run-in period, subjects were randomized to consume either 3 eggs/day or a choline bitartrate supplement (~400 mg choline for both treatments) for 4-weeks each. After a 3-week washout period, they were allocated to the alternate treatment. Dietary records, plasma lipids, apolipoproteins (apo) concentrations, and peripheral blood mononuclear cell expression of regulatory genes for cholesterol homeostasis were assessed at the end of each intervention. Dietary intakes of saturated and monounsaturated fat were higher with the consumption of eggs compared to the choline period. In addition, higher plasma concentrations of total cholesterol (7.5%), high density lipoprotein cholesterol (HDL-C) (5%) and LDL-C (8.1%) were observed with egg consumption (p < 0.01), while no change was seen in LDL-C/HDL-C ratio, a key marker of heart disease risk. Compared to choline supplementation, intake of eggs resulted in higher concentrations of plasma apoA-I (8%) and apoE (17%) with no changes in apoB. Sterol regulatory element-binding protein 2 and 3-hydroxy-3-methylglutaryl-CoA reductase expression were lower with egg consumption by 18% and 31%, respectively (p < 0.05), suggesting a compensation to the increased dietary cholesterol load. Therefore, dietary cholesterol from eggs appears to regulate endogenous synthesis of cholesterol in such a way that the LDL-C/HDL-C ratio is maintained. Full article
(This article belongs to the Special Issue Dietary Cholesterol:Is It Related to Chronic Disease)
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Review

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Open AccessReview Dietary Cholesterol Intake and Risk of Lung Cancer: A Meta-Analysis
Nutrients 2018, 10(2), 185; doi:10.3390/nu10020185
Received: 12 December 2017 / Revised: 19 January 2018 / Accepted: 26 January 2018 / Published: 8 February 2018
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Abstract
Multiple epidemiologic studies have evaluated the relationship between dietary cholesterol and lung cancer risk, but the association is controversial and inconclusive. A meta-analysis of case-control studies and cohort studies was conducted to evaluate the relationship between dietary cholesterol intake and lung cancer risk
[...] Read more.
Multiple epidemiologic studies have evaluated the relationship between dietary cholesterol and lung cancer risk, but the association is controversial and inconclusive. A meta-analysis of case-control studies and cohort studies was conducted to evaluate the relationship between dietary cholesterol intake and lung cancer risk in this study. A relevant literature search up to October 2017 was performed in Web of Science, PubMed, China National Knowledge Infrastructure, Sinomed, and VIP Journal Integration Platform. Ten case-control studies and six cohort studies were included in the meta-analysis, and the risk estimates were pooled using either fixed or random effects models. The case-control studies with a total of 6894 lung cancer cases and 29,736 controls showed that dietary cholesterol intake was positively associated with lung cancer risk (Odds Ratio = 1.70, 95% Confidence Interval: 1.43–2.03). However, there was no evidence of an association between dietary cholesterol intake and risk of lung cancer among the 241,920 participants and 1769 lung cancer cases in the cohort studies (Relative Risk = 1.08, 95% Confidence Interval: 0.94–1.25). Due to inconsistent results from case-control and cohort studies, it is difficult to draw any conclusion regarding the effects of dietary cholesterol intake on lung cancer risk. Carefully designed and well-conducted cohort studies are needed to identify the association between dietary cholesterol and lung cancer risk. Full article
(This article belongs to the Special Issue Dietary Cholesterol:Is It Related to Chronic Disease)
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