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Blutwerte · Marker

Gesamtcholesterin

Total Cholesterol · TC · Cholesterin gesamt

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

Total Cholesterol quantifies the total amount of cholesterol in all lipoprotein particles in the blood.

Reference Ranges

Reference
35.2mmol/L
3
4.5
5.2
LowNormalHigh
Reference
Optimal
Unit · mmol/L

Ranges may vary slightly based on guidelines; fasting recommended for accurate measurement.

Overview

Übersicht

Total Cholesterol (TC) is a comprehensive measure of the cholesterol content in all lipoprotein particles in the blood, including low-density lipoprotein (LDL), high-density lipoprotein (HDL), and very low-density lipoprotein (VLDL). It is a key biomarker in assessing lipid metabolism and cardiovascular health. Clinically, TC is crucial for evaluating the risk of cardiovascular diseases (CVD), such as coronary artery disease and stroke. Elevated TC levels are associated with an increased risk of atherosclerosis, while low levels may indicate malnutrition or other metabolic disorders. For athletes and biohackers, maintaining optimal cholesterol levels is important for cardiovascular efficiency and overall health. High TC can impair physical performance by affecting blood flow and oxygen delivery, whereas very low levels might compromise cell membrane integrity and hormone synthesis. Researchers found that TC levels can vary due to factors like diet, physical activity, and genetic predispositions. Fasting is generally recommended before testing to ensure accuracy, as recent food intake can temporarily elevate TC levels. Additionally, time-of-day variations are minimal, but consistent testing conditions are advised for reliable monitoring.

Klinische Bedeutung

Elevated TC levels indicate a higher risk of cardiovascular diseases, while low levels may suggest malnutrition or liver disease. Monitoring TC is essential for assessing cardiovascular risk and guiding treatment decisions.

Dynamics

Trend Interpretation

Rising Values

Progressively rising TC levels suggest worsening lipid control and increased cardiovascular risk. Re-test in 3-6 months if elevated.

Falling Values

Progressively falling TC levels may indicate improved lipid control or malnutrition.

Re-test Interval

4 weeks if outside optimal range

Etiology

Causes — High & Low

Cause

Elevated Levels

  • Diet high in saturated fats
  • Genetic predisposition
  • Obesity
  • Sedentary lifestyle
  • Hypothyroidism
  • Chronic kidney disease
Cause

Low Levels

  • Malnutrition
  • Hyperthyroidism
  • Liver disease
  • Chronic anemia
  • Inflammatory bowel disease
  • Certain medications
Protocol

How to Optimize

Lever

Lifestyle

  • Regular physical activity
  • Weight management
  • Smoking cessation
Lever

Nutrition

  • Increase intake of fruits and vegetables
  • Consume more whole grains
  • Limit saturated fat intake
Lever

Supplementation

  • Omega-3 fatty acids
  • Plant sterols

Note:

Consult a healthcare provider before starting any supplementation, especially if taking other medications.

Testing Guidelines

🍽️Fasting Required
Not Time-Sensitive

Testing Frequency

Annually for healthy adults, more frequently if managing hyperlipidemia

Interfering Factors

  • Recent food intake
  • Acute illness
  • Certain medications

Open Research Questions

Current research suggests that reference ranges and optimal targets for total cholesterol (TC) in diverse populations remain inadequately defined, particularly regarding its variability and association with cardiovascular disease outcomes. Researchers have not yet established standardized thresholds for the TC to high-density lipoprotein cholesterol ratio in different clinical contexts, such as migraine management. Additionally, clinical questions regarding the mechanistic pathways linking TC variability to residual cardiovascular risk remain unanswered.

25 Research Publications

683

Total Citations

11

Human/RCT

9.0

Avg. Influence

2025

Latest

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Filter
#01

Hypolipidemia is associated with the severity of COVID-19.

HumanInfluence21.0
318
Researchers investigated lipid levels in COVID-19 patients to assess their relationship with disease severity. They found that total cholesterol and low-density lipoprotein cholesterol levels were significantly lower in severe cases compared to mild cases, indicating a correlation with disease progression.
View on PubMed
#02

Hypobetalipoproteinemia: genetics, biochemistry, and clinical spectrum.

ReviewInfluence6.0
122
This review discussed hypobetalipoproteinemia, characterized by low levels of total cholesterol and related biomarkers. Researchers provided insights into the genetic and clinical spectrum of this condition, emphasizing the need for diagnostic algorithms.
View on PubMed
#03

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

Meta-AnalysisInfluence6.0
106
Researchers conducted a systematic review and meta-analysis to evaluate blood-derived proteins as potential biomarkers for post-stroke cognitive impairment (PSCI). They found that levels of homocysteine, C-reactive protein, total cholesterol, and low-density lipoprotein cholesterol were significantly higher in PSCI patients compared to those without cognitive impairment.
View on PubMed
#04

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

Review
48
This review discussed the potential of circular RNAs as biomarkers for thyroid cancer and autoimmune thyroid diseases. Researchers noted that circRNAs could play crucial roles in disease development and may serve as diagnostic and therapeutic targets.
View on PubMed
#05

Biomarker variability and cardiovascular disease residual risk.

ReviewInfluence3.0
20
Researchers explored the association between intraindividual variability of total cholesterol and cardiovascular disease (CVD) outcomes. They found that variability in total cholesterol levels correlates with increased CVD risk, independent of mean levels and other traditional risk factors.
View on PubMed
#06

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
#07

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

Review
12
This study summarized the role of telomerase in thyroid carcinomas, emphasizing its importance in cancer progression. Researchers found that TERT gene alterations are associated with TC malignancy and poor outcomes, suggesting its potential as a diagnostic and prognostic biomarker.
View on PubMed
#08

Familial Hypercholesterolemia Biomarker Distribution in Dried Blood Spots.

Human
11
This study evaluated total cholesterol, low-density lipoprotein cholesterol, and apolipoprotein B in newborns for familial hypercholesterolemia screening. Researchers observed that LDL-C and apoB showed extreme elevations in certain newborns, supporting their candidacy as biomarkers.
View on PubMed
#09

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
#10

Association of the total cholesterol to high-density lipoprotein cholesterol ratio with all-cause mortality risk in the migraine population.

Human
7
This study investigated the relationship between the total cholesterol to high-density lipoprotein cholesterol (TC/HDL-C) ratio and all-cause mortality in migraine patients. Researchers found a U-shaped relationship, with higher TC/HDL-C ratios significantly associated with increased mortality risk.
View on PubMed

Publication Trend

Research publications about Gesamtcholesterin over time

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