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Related Concept Videos

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Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
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Lipids: Dietary Sources and Requirements01:18

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Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ meats, shellfish,...
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Related Experiment Video

Updated: May 27, 2026

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice
07:36

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice

Published on: September 26, 2018

Dietary proteins and atherosclerosis.

Roger Darioli1

  • 1Faculté de Médecine et de Biologie, Université de Lausanne, Lausanne, Switzerland. Roger.Darioli@hospvd.ch

International Journal for Vitamin and Nutrition Research. Internationale Zeitschrift Fur Vitamin- Und Ernahrungsforschung. Journal International De Vitaminologie Et De Nutrition
|December 6, 2011
PubMed
Summary

The protein hypothesis for atherosclerosis lacks human verification, unlike the established lipid hypothesis. Current evidence does not support increasing protein intake beyond 20% for cardiovascular health.

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Quantification of Atherosclerosis in Mice
06:59

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Published on: June 12, 2019

Related Experiment Videos

Last Updated: May 27, 2026

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice
07:36

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Published on: September 26, 2018

Quantification of Atherosclerosis in Mice
06:59

Quantification of Atherosclerosis in Mice

Published on: June 12, 2019

Area of Science:

  • Nutritional Science
  • Cardiovascular Research
  • Dietary Epidemiology

Background:

  • The historical
  • protein hypothesis
  • linking atherosclerosis to protein intake, remains unverified in humans, contrasting with the established
  • lipid hypothesis
  • .
  • Early studies suggested a link between dietary animal protein and cardiovascular disease mortality, though this was confounded by saturated fat and cholesterol intake.
  • Recent research indicates potential cardiovascular benefits of higher protein intake in women, but findings require further validation.

Purpose of the Study:

  • To critically evaluate the role of dietary protein in cardiovascular disease pathogenesis and risk.
  • To assess the scientific evidence supporting or refuting the
  • protein hypothesis
  • in human cardiovascular health.
  • To provide evidence-based recommendations on optimal protein intake for cardiovascular disease prevention.

Main Methods:

  • Review of historical and contemporary epidemiological studies and cohort research.
  • Analysis of randomized controlled trials investigating protein intake and cardiovascular outcomes.
  • Evaluation of evidence regarding specific protein sources, such as soy protein, and their cardiovascular effects.

Main Results:

  • The
  • protein hypothesis
  • for atherosclerosis has not been confirmed in human studies.
  • No direct cholesterol-lowering effect of protein has been demonstrated.
  • While some studies suggest reduced cardiovascular risk with higher protein intake in women, conclusive evidence is lacking, and earlier findings on soy protein remain unconfirmed.

Conclusions:

  • Current scientific evidence does not support increasing daily protein intake beyond 20% of total energy intake for improving cardiovascular health.
  • Dietary recommendations favor plant-based proteins over animal proteins high in saturated fat and cholesterol for cardiovascular benefits.
  • Further rigorous research is needed to clarify the precise role of dietary protein in cardiovascular disease.