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Blutwerte · Marker

Gesamtcholesterin

Total Cholesterol · TC · Cholesterin gesamt

Lipide & Herz-KreislaufNüchtern erforderlich
Einheit:
mmol/L
Abbreviation
TC

Total Cholesterol measures the total amount of cholesterol in the blood, including LDL, HDL, and VLDL.

Reference Ranges

Reference
35mmol/L
3
3.5
4.5
5
LowNormalHigh
Reference
Optimal
Unit · mmol/L

Reference ranges may vary by age and sex. Fasting is typically required.

Overview

Übersicht

Total Cholesterol (TC), also known as Gesamtcholesterin, is a lipid biomarker that measures the total amount of cholesterol in the blood, including low-density lipoprotein (LDL), high-density lipoprotein (HDL), and very low-density lipoprotein (VLDL). Cholesterol is a waxy, fat-like substance that is essential for the formation of cell membranes, certain hormones, and vitamin D. Clinically, total cholesterol is a critical marker for assessing cardiovascular risk. Elevated levels of TC are associated with an increased risk of atherosclerosis, coronary artery disease, and stroke. Researchers have found that high TC levels, along with other lipid markers, can indicate post-stroke cognitive impairment and are linked to cardiovascular disease outcomes. In the context of athletic performance and biohacking, maintaining optimal cholesterol levels is important for cardiovascular health and longevity. Some biohackers aim to optimize lipid profiles to enhance physical performance and reduce the risk of age-related diseases. However, cholesterol levels can be influenced by various factors such as diet, exercise, genetics, and medications. Fasting is typically required before testing to ensure accurate measurement, and levels can vary based on time of day and recent physical activity. Researchers observed that variability in cholesterol levels can also contribute to cardiovascular risk, suggesting the need for consistent monitoring.

Klinische Bedeutung

Elevated total cholesterol levels indicate an increased risk of cardiovascular diseases such as atherosclerosis and coronary artery disease. Low levels may be associated with malnutrition or liver disease.

Dynamics

Trend Interpretation

Rising Values

Progressively rising values suggest increased cardiovascular risk. Re-test in 3 months if outside optimal range.

Falling Values

Progressively falling values may indicate improved lipid management or underlying health issues.

Re-test Interval

4 weeks if outside optimal range

Etiology

Causes — High & Low

Cause

Elevated Levels

  • Diet high in saturated fats
  • Genetic predisposition
  • Obesity
  • Lack of physical activity
  • Hypothyroidism
  • Chronic kidney disease
Cause

Low Levels

  • Malnutrition
  • Hyperthyroidism
  • Liver disease
  • Chronic infections
  • Certain medications
Protocol

How to Optimize

Lever

Lifestyle

  • Regular physical activity
  • Weight management
  • Smoking cessation
Lever

Nutrition

  • Increase intake of fruits and vegetables
  • Reduce saturated fat intake
  • Consume more omega-3 fatty acids
Lever

Supplementation

  • Omega-3 fish oil
  • Plant sterols
  • Red yeast rice

Note:

Consult a healthcare provider before starting any supplementation, especially if on cholesterol-lowering medications.

Testing Guidelines

🍽️Fasting Required
Not Time-Sensitive

Cholesterol levels can vary throughout the day; morning fasting samples are recommended.

Testing Frequency

Annually for healthy adults, more frequently if managing hyperlipidemia.

Interfering Factors

  • Recent intense exercise
  • Acute illness
  • Alcohol consumption

Open Research Questions

Current research suggests that reference ranges for total cholesterol (TC) may vary significantly across populations, with a need for standardized guidelines to address these discrepancies. Researchers have not yet established optimal targets for TC in relation to cardiovascular disease risk, particularly considering confounding factors like age and sex. Additionally, clinical questions remain unanswered regarding the impact of TC variability on long-term cardiovascular outcomes and the effectiveness of interventions aimed at lowering TC levels in diverse populations.

27 Research Publications

715

Total Citations

11

Human/RCT

7.4

Avg. Influence

2025

Latest

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#01

Hypolipidemia is associated with the severity of COVID-19.

HumanInfluence21.0
322
This study investigated lipid levels in COVID-19 patients and their relationship with disease severity. Researchers found that total cholesterol and low-density lipoprotein cholesterol levels were significantly lower in severe cases compared to mild cases. The findings suggest a correlation between hypolipidemia and the severity of COVID-19.
View on PubMed
#02

Hypobetalipoproteinemia: genetics, biochemistry, and clinical spectrum.

ReviewInfluence6.0
120
This review explored hypobetalipoproteinemia, characterized by low total cholesterol and low-density lipoprotein cholesterol levels. Researchers found that primary forms are often due to genetic mutations, while secondary forms arise from non-genetic factors. The study provides insights into the clinical implications and diagnostic approaches for these disorders.
View on PubMed
#03

Potential Biomarkers for Post-Stroke Cognitive Impairment: A Systematic Review and Meta-Analysis.

Meta-AnalysisInfluence6.0
114
This study examined potential blood biomarkers for post-stroke cognitive impairment (PSCI). Researchers found that levels of homocysteine, C-reactive protein, total cholesterol, and low-density lipoprotein cholesterol were significantly higher in patients with PSCI compared to those without. These findings suggest that these biomarkers could be useful for identifying patients at risk for cognitive impairment after a stroke.
View on PubMed
#04

The emerging function and clinical significance of circRNAs in Thyroid Cancer and Autoimmune Thyroid Diseases.

Review
48
This review focused on the emerging role of circular RNAs as biomarkers in thyroid cancer and autoimmune thyroid diseases. Researchers found that circRNAs could serve as potential diagnostic and therapeutic targets, although further validation is needed before clinical implementation. The study highlights the importance of circRNAs in understanding these conditions.
View on PubMed
#05

Biomarker variability and cardiovascular disease residual risk.

ReviewInfluence3.0
20
This review explored the relationship between biomarker variability and cardiovascular disease (CVD) risk. Researchers observed that intraindividual variability in total cholesterol and other lipoproteins is associated with CVD outcomes, indicating that variability may contribute to residual CVD risk. The findings suggest a need for standardized approaches to assess this variability.
View on PubMed
#06

Familial Hypercholesterolemia Biomarker Distribution in Dried Blood Spots.

Human
14
This study evaluated total cholesterol, low-density lipoprotein cholesterol, and apolipoprotein B in newborns for familial hypercholesterolemia screening. Researchers found that LDL-C and apoB showed extreme elevation in distribution curves, indicating their potential as biomarkers for screening. The study suggests further validation of these biomarkers in clinical settings.
View on PubMed
#07

Function and Clinical Significance of Circular RNAs in Thyroid Cancer.

Review
13
This study examined the role of circular RNAs in thyroid cancer, highlighting their potential as biomarkers due to their unique expression patterns in cancerous tissues. Researchers found that circRNAs can act as either oncogenes or tumor suppressors, influencing various aspects of tumor biology.
View on PubMed
#08

Thyroid carcinoma-featured telomerase activation and telomere maintenance: Biology and translational/clinical significance.

Review
13
This article reviews the role of telomerase activation in thyroid carcinomas. Researchers found that genomic alterations leading to telomerase activation are associated with malignancy and poor outcomes in thyroid cancer. The findings suggest that assessing telomerase-related biomarkers could improve diagnosis and treatment strategies.
View on PubMed
#09

Molecular predictive biomarker testing in advanced thyroid cancer - a European consensus.

ReviewInfluence1.0
12
This article discusses the need for standardized molecular biomarker testing in advanced thyroid cancer. Researchers found that comprehensive testing strategies are essential for treatment selection, particularly for differentiated, medullary, and anaplastic thyroid cancers. The consensus recommendations aim to improve the accuracy and effectiveness of biomarker testing in clinical practice.
View on PubMed
#10

The Emerging Landscapes of Long Noncoding RNA in Thyroid Carcinoma: Biological Functions and Clinical Significance.

Review
9
This review summarized the role of long noncoding RNAs in thyroid carcinoma. Researchers highlighted their involvement in tumorigenesis and potential as prognostic and therapeutic targets, suggesting new avenues for diagnosis and treatment.
View on PubMed

Publication Trend

Research publications about Gesamtcholesterin over time

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