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Updated: Jun 8, 2026

Protection of H9c2 Myocardial Cells from Oxidative Stress by Crocetin via PINK1/Parkin Pathway-Mediated Mitophagy

Protection of H9c2 Myocardial Cells from Oxidative Stress by Crocetin via PINK1/Parkin Pathway-Mediated Mitophagy

Published on: May 26, 2023

Macronutrient advice for ischemic heart disease prevention.

Marianne U Jakobsen¹, Kim Overvad

¹Department of Epidemiology, School of Public Health, Aarhus University, Aarhus, Denmark. muj@soci.au.dk

Current Opinion in Lipidology

|October 12, 2010

Summary

Replacing saturated fatty acids (SFAs) with polyunsaturated fatty acids (PUFAs) lowers ischemic heart disease (IHD) risk. Substituting SFAs with high-glycemic carbohydrates may increase IHD risk, highlighting the importance of specific dietary replacements.

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Last Updated: Jun 8, 2026

Protection of H9c2 Myocardial Cells from Oxidative Stress by Crocetin via PINK1/Parkin Pathway-Mediated Mitophagy

Protection of H9c2 Myocardial Cells from Oxidative Stress by Crocetin via PINK1/Parkin Pathway-Mediated Mitophagy

Published on: May 26, 2023

Area of Science:

Nutritional Science
Cardiovascular Health
Dietary Epidemiology

Background:

Saturated fatty acids (SFAs) intake elevates plasma low-density lipoprotein cholesterol, a known risk factor for ischemic heart disease (IHD).
Dietary guidelines often recommend limiting SFA intake, but the health implications depend crucially on the specific macronutrients used as replacements.
Focusing solely on SFA reduction without considering substitutions may lead to counterproductive dietary choices, potentially increasing IHD risk if SFAs are replaced by harmful alternatives.

Purpose of the Study:

To review recent findings on the impact of substituting specific macronutrients for SFAs on the risk of IHD.
To provide a nuanced perspective on dietary recommendations for IHD prevention beyond simple SFA reduction.

Main Methods:

Review of recent cohort studies and randomized clinical trials examining macronutrient substitutions for SFAs.
Analysis of associations between the type of macronutrient replacing SFAs (PUFAs, low-GI carbohydrates, high-GI carbohydrates) and IHD risk.

Main Results:

Substitution of SFAs with polyunsaturated fatty acids (PUFAs) is consistently associated with a reduced risk of IHD.
Replacing SFAs with low-glycemic index (GI) carbohydrates is linked to a lower IHD risk.
Conversely, substituting SFAs with high-glycemic index (GI) carbohydrates appears to be associated with an increased risk of IHD.

Conclusions:

There is strong evidence from cohort studies and clinical trials supporting the benefit of replacing SFAs with PUFAs for IHD prevention.
Evaluating macronutrient substitutions for SFAs offers a more comprehensive approach to understanding IHD risk than a singular focus on SFA intake.
This detailed analysis of dietary replacements can yield further insights into effective strategies for IHD prevention.