Lever
Lifestyle
- Regular exercise
- Stress management
- Adequate sleep
Blutwerte · Marker
Isoprostane
8-Isoprostane · F2-Isoprostanes · Lipid Peroxidation Marker
Longevity & Biohacking
- Einheit:
- μg/g creatinine
- Abbreviation
- 8-iso-PGF2a
Isoprostanes measure the extent of lipid peroxidation, reflecting oxidative stress levels in the body.
Reference Ranges
Reference
0.1–0.5μg/g creatinine
0.1
0.5
LowNormalHigh
Reference
Unit · μg/g creatinineRanges may vary based on BMI and measurement methods. Adjust for creatinine in urine samples.
Overview
Übersicht
Isoprostanes, specifically 8-iso-PGF2a, are prostaglandin-like compounds formed by the free radical-catalyzed peroxidation of arachidonic acid, independent of the cyclooxygenase enzyme. These molecules are chemically stable and can be measured in various biological fluids, making them reliable indicators of oxidative stress. Researchers have identified them as key biomarkers for assessing lipid peroxidation, a process that occurs when reactive oxygen species (ROS) damage lipids in cell membranes. Clinically, elevated levels of isoprostanes are associated with conditions characterized by oxidative stress, such as cardiovascular diseases, asthma, obesity, and neurodegenerative disorders. They are used to evaluate the severity of oxidative damage and the efficacy of antioxidant therapies. In the context of athletic performance and biohacking, isoprostanes are relevant as they can provide insights into the oxidative stress levels of individuals engaging in intense physical activities or those employing interventions aimed at enhancing longevity. Monitoring isoprostane levels can help optimize antioxidant strategies to mitigate oxidative damage, which is crucial for maintaining cellular health and improving recovery. However, several factors can influence isoprostane levels, including body mass index (BMI), dietary habits, and lifestyle choices. Researchers have found that higher BMI is positively associated with increased urinary 8-isoprostane concentrations. Additionally, the time of day and recent physical activity might affect measurements, although fasting is not typically required for testing. Standardization in measurement techniques and adjusting for creatinine in urine samples are recommended to ensure accurate and comparable results across studies.
Klinische Bedeutung
Elevated isoprostane levels indicate increased oxidative stress, which is associated with various pathological conditions such as cardiovascular diseases, asthma, and obesity. Lower levels suggest reduced oxidative damage, potentially reflecting effective antioxidant defenses.
Dynamics
Trend Interpretation
Rising Values
Progressively rising values suggest increasing oxidative stress, warranting lifestyle and dietary interventions. Retest in 4-6 weeks if elevated.
Falling Values
Progressively falling values indicate reduced oxidative stress, potentially reflecting effective interventions.
Re-test Interval
4-6 weeks if outside optimal range
Etiology
Causes — High & Low
Cause
Elevated Levels
- Oxidative stress
- Obesity
- Asthma
- Cardiovascular disease
- Neurodegenerative disorders
Cause
Low Levels
- Effective antioxidant therapy
- Low oxidative stress
- Healthy lifestyle
- Balanced diet
- Regular physical activity
Protocol
How to Optimize
Lever
Nutrition
- Antioxidant-rich foods
- Fruits and vegetables
- Omega-3 fatty acids
Lever
Supplementation
- Vitamin E
- Vitamin C
- Coenzyme Q10
Note:
Consult a healthcare provider before starting any supplementation regimen.
Testing Guidelines
✓Fasting Not Required
✓Not Time-Sensitive
Isoprostane levels may vary throughout the day; consistent timing of sample collection is recommended.
Testing Frequency
Annually for health monitoring, more frequently if managing oxidative stress-related conditions.
Interfering Factors
- High BMI
- Dietary factors
- Recent intense exercise
Related Peptides & Hormones
Interleukin 6
hormone or peptideCorrelated with
Open Research Questions
Current research suggests that reference ranges for urinary 8-isoprostane concentrations remain inconsistent, particularly concerning the impact of body mass index (BMI) on levels. Researchers have not yet established optimal targets for isoprostane levels in various disease contexts, such as severe asthma or cardiovascular conditions. Additionally, clinical questions regarding the role of isoprostanes in disease progression and their potential as therapeutic targets remain unanswered.
22 Research Publications
950
Total Citations
6
Human/RCT
4.9
Avg. Influence
2021
Latest
Sort
Filter
01Top
#01
The isoprostanes--25 years later.
Milne Ginger L, et al. · Biochimica et biophysica acta · 2015
ReviewInfluence7.0
317
This review highlighted the developments in isoprostane research over the past 25 years. Researchers found that isoprostanes serve as both biomarkers and mediators of oxidative stress across various diseases, including obesity and cancer. The article emphasizes the influence of diet and lifestyle on isoprostane levels.
Key findings
- 01IsoPs are produced from the oxidation of fatty acids and are important markers of oxidative stress.
- 02They have been linked to various health conditions, including obesity and cancer.
- 03Diet and lifestyle choices can affect the natural levels of IsoPs in the body.
02Top
#02
Urinary biomarkers of oxidative status.
ReviewInfluence14.0
240
This review summarized the importance of urinary biomarkers for assessing oxidative status in chronic diseases. Researchers found that urinary F2-isoprostanes are recommended for monitoring oxidative stress over time, providing a non-invasive method to study redox balance in populations.
03Top
#03
F2-isoprostanes in Alzheimer and other neurodegenerative diseases.
ReviewInfluence2.0
109
This review focused on the role of F2-isoprostanes in neurodegenerative diseases, particularly Alzheimer's disease. Researchers found that F2-isoprostanes are elevated in the brains of Alzheimer's patients and may aid in laboratory diagnostics and therapeutic assessments. The study suggests lipid peroxidation as a potential therapeutic target.
04
#04
Urinary 8-isoprostane as a biomarker for oxidative stress. A systematic review and meta-analysis.
Graille M, et al. · Toxicology letters · 2020
Meta-AnalysisInfluence2.0
73
This systematic review and meta-analysis assessed urinary 8-isoprostane as a biomarker for oxidative stress. Researchers found that 8-isoprostane concentrations vary significantly and established a need for standardized reference ranges. The study also identified a positive association between body mass index and urinary 8-isoprostane levels.
Key findings
- 01Researchers observed that the average urinary 8-isoprostane concentration varies based on BMI, with higher levels found in individuals with a higher BMI.
- 02The study included 63 research articles, providing a comprehensive analysis of 8-isoprostane levels in healthy adults.
- 03Researchers recommend using specific chemical methods for measuring 8-isoprostane and adjusting results for creatinine to allow for better comparison across studies.
05
#05
Systematic review on the association between F2-isoprostanes and cardiovascular disease.
ReviewInfluence5.0
71
This systematic review investigated the association between F2-isoprostanes and cardiovascular disease (CVD). Researchers found that high levels of F2-isoprostanes were significantly associated with CVD in most studies, but highlighted the need for more population-based research to clarify their role as biomarkers. Variability in study designs contributed to differing results.
06
#06
Novel Biomarkers and Their Role in the Diagnosis and Prognosis of Acute Coronary Syndrome.
ReviewInfluence3.0
55
This review examined the role of various biomarkers in diagnosing and predicting outcomes in acute coronary syndrome (ACS). Researchers found that while high-sensitivity troponin has improved ACS diagnosis, other biomarkers like F2 isoprostanes are being explored for their potential in understanding ACS pathophysiology. Further research is needed to integrate these biomarkers into routine clinical practice.
07
#07
Antioxidant modulation of F2-isoprostanes in humans: a systematic review.
Meta-Analysis
29
This systematic review assessed the impact of dietary antioxidants on isoprostane levels in humans. Researchers found that antioxidant-rich foods successfully modulated isoprostane levels in less than 45% of interventions, suggesting that measuring multiple biomarkers is essential for understanding redox events following supplementation.
08
#08
Urine biomarker could be a useful tool for differential diagnosis of a lower urinary tract dysfunction.
Review
17
This article reviewed the potential of urinary biomarkers, including 8-isoprostane, for diagnosing lower urinary tract dysfunctions (LUTD). Researchers found that elevated levels of 8-isoprostane could help differentiate between specific LUTD types in patients. The findings suggest that combining various urinary biomarkers may improve diagnostic accuracy.
09
#09
Isoprostanes in Veterinary Medicine: Beyond a Biomarker.
Review
11
This review discussed the use of isoprostanes as biomarkers of oxidative stress in both human and veterinary medicine. Researchers found that isoprostanes are stable indicators of lipid peroxidation and have potential clinical applications in guiding treatment. However, knowledge about their biological activity and role in pathology remains limited.
10
#10
Challenges in Quantifying 8-OHdG and 8-Isoprostane in Exhaled Breath Condensate.
HumanInfluence1.0
10
This study developed a method to quantify 8-isoprostane in exhaled breath condensate (EBC) for assessing lung inflammation. Researchers found that both 8-isoprostane and 8-OHdG levels were often below detection limits in EBC samples, highlighting challenges in using these biomarkers for lung disease assessment.
Publication Trend
Research publications about Isoprostane over time
9totalTrack your bloodwork in PepStack
Log lab results, track trends and optimize your biomarkers over time.
Legal Disclaimer
This page is for informational and research purposes only. All information is based on published scientific literature and does not constitute medical advice, diagnosis, or treatment recommendations. Many substances listed may not be approved for human use and may be subject to drug regulation laws (e.g., AMG in Germany, FDA in the US). PepStack does not encourage the use of any substance on humans. Always consult a qualified healthcare professional before making any health-related decisions. Use of this information is entirely at your own risk. PepStack assumes no liability for the accuracy, completeness, or timeliness of the content provided. Full disclaimer