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Updated: Jul 17, 2026

Measurement of Factor V Activity in Human Plasma Using a Microplate Coagulation Assay
Published on: September 9, 2012
Elevated factor XIII level and the risk of myocardial infarction in women
Insights
Factor XIII (FXIII) levels are higher in women with coronary sclerosis and myocardial infarction history. Elevated FXIII in women increases myocardial infarction risk, suggesting a potential biomarker.
Area of Science:
- Cardiovascular Medicine
- Hematology
- Biochemistry
Background:
- Factor XIII (FXIII) is crucial for hemostasis.
- Coronary artery disease (CAD) involves atherosclerosis and myocardial infarction (MI).
- The role of FXIII in CAD pathogenesis, particularly sex-specific differences, remains under investigation.
Discussion:
- This study investigated FXIII activity and antigen levels in relation to coronary sclerosis (CS) and myocardial infarction (MI) in a large patient cohort undergoing coronary angiography.
- Findings indicate that in females, elevated FXIII levels (both activity and antigen) are significantly associated with the presence of coronary sclerosis and a history of myocardial infarction.
- Conversely, such associations were not observed in males, highlighting a potential sex-specific role for FXIII in cardiovascular disease.
Key Insights:
- Adjusted FXIII activity and antigen levels were significantly elevated in female patients with both coronary sclerosis and a history of myocardial infarction compared to those with coronary sclerosis but no infarction history.
- Higher FXIII levels (in the upper tertile) were linked to a significantly increased risk of myocardial infarction specifically in females.
- No significant association between FXIII levels and myocardial infarction risk was found in males.
Outlook:
- Further research is warranted to elucidate the precise mechanisms underlying the sex-specific association between FXIII and myocardial infarction.
- FXIII may represent a potential predictive biomarker for cardiovascular events in women.
- Investigating therapeutic strategies targeting FXIII could offer novel avenues for managing cardiovascular disease in at-risk female populations.
Abstract:
Factor XIII (FXIII) activity and antigen levels were determined in 955 patients investigated by coronary angiography. Patients were sub-grouped according to the presence or absence of coronary sclerosis (CS+, CS-) and a positive history of myocardial infarction (MI+, MI-). In females, but not in males, adjusted FXIII activity and antigen levels were significantly elevated in the CS+MI+ group compared to in the CS+MI- group. FXIII levels in the upper tertile were associated with significantly increased risk of MI in females, but not in males.
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