Related Experiment Video
Updated: Jan 28, 2026
07:51
Implantation of a Carotid Cuff for Triggering Shear-stress Induced Atherosclerosis in Mice
Published on: January 13, 2012
21.0K
Chronic stress: a critical risk factor for atherosclerosis.
Bo-Chen Yao1,2, Ling-Bing Meng3, Meng-Lei Hao4
11 Graduate College, Tianjin Medical University, Tianjin, China.
The Journal of International Medical Research
|February 26, 2019
Summary
Chronic stress significantly contributes to atherosclerosis by damaging blood vessels and promoting plaque formation. Understanding these mechanisms is crucial for preventing cardiovascular disease linked to long-term stress.
Area of Science:
- Cardiovascular Science
- Stress Physiology
- Pathology
Background:
- Chronic stress is a prolonged systemic reaction to persistent negative stimuli.
- Atherosclerosis, a major cause of cardiovascular events, is influenced by chronic stress.
- Epidemiological studies identify chronic stress as an independent risk factor for vascular disease.
Purpose of the Study:
- To elucidate the mechanisms by which chronic stress contributes to atherosclerosis.
- To provide a theoretical foundation for mitigating stress-related cardiovascular effects.
Main Methods:
- Review of existing epidemiological and physiological research on chronic stress and atherosclerosis.
- Analysis of proposed molecular and cellular pathways involved in stress-induced vascular damage.
Main Results:
- Chronic stress can lead to endothelial injury, macrophage activation, and foam cell formation.
- These processes contribute to the development of atherosclerotic plaques.
- Inflammation, signaling pathways, lipid metabolism, and endothelial function are key variables.
Conclusions:
- Chronic stress is a significant factor in the pathogenesis of atherosclerosis.
- Further investigation into the detailed mechanisms is necessary for therapeutic development.
- Targeting stress-related pathways may offer novel strategies for cardiovascular disease prevention.
Related Concept Videos
01:26Factors Affecting the Risk of Infection
13.4K
The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
13.4K
01:26Atherosclerosis III: Management
371
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...
371
01:30Atherosclerosis I: Introduction
1.0K
Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
1.0K
01:16Critical Region, Critical Values and Significance Level
13.3K
The critical region, critical value, and significance level are interdependent concepts crucial in hypothesis testing.
In hypothesis testing, a sample statistic is converted to a test statistic using z, t, or chi-square distribution. A critical region is an area under the curve in probability distributions demarcated by the critical value. When the test statistic falls in this region, it suggests that the null hypothesis must be rejected. As this region contains all those values of the...
In hypothesis testing, a sample statistic is converted to a test statistic using z, t, or chi-square distribution. A critical region is an area under the curve in probability distributions demarcated by the critical value. When the test statistic falls in this region, it suggests that the null hypothesis must be rejected. As this region contains all those values of the...
13.3K
01:31Critical Values
10.3K
A critical value is a definite value obtained from a particular probability distribution at a predecided confidence level (or a predecided significance level) for a given population parameter. The critical value provides demarcation that separates the sample statistics that are likely to occur from the ones that are unlikely to occur based on the given probability distribution and the population parameter to be estimated. The critical value for normal distribution is obtained from the z...
10.3K
01:12Relative Risk
2.1K
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
2.1K