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Updated: Mar 12, 2026
Measuring Single-Cell Aging with an Imaging-based Biomarker of Chromatin and Epigenetic Aging
Published on: January 30, 2026
Cell-Free Circulating Epigenomic Signatures: Non-Invasive Biomarker for Cardiovascular and Other Age-Related Chronic
Arpit Bhargava1, Naveen Kumar Khare2, Neha Bunkar1
1Translational Research Laboratory, School of Biological Sciences, Dr. Harisingh Gour Central University, Sagar. India.
Insights
Early detection of age-related diseases is crucial. Circulating epigenetic biomarkers, like methylated DNA and microRNAs, offer promising diagnostic potential for non-communicable diseases.
Area of Science:
- Biomarkers and Diagnostics
- Epigenetics
- Non-communicable Diseases
Background:
- Cardiovascular and age-related non-communicable diseases (NCDs) pose a growing global health burden.
- Early diagnosis of NCDs is key to effective treatment and improved patient outcomes.
- Current diagnostic approaches often rely on genetic markers, overlooking the significant role of epigenetics.
Purpose of the Study:
- To highlight the diagnostic potential of circulating epigenetic signatures for early disease detection.
- To emphasize the need for research into methylated DNA, microRNAs, and modified histones as biomarkers.
- To advocate for the development of point-of-care tests for NCD screening.
Main Methods:
- Review of current literature on circulating nucleic acids and epigenetic modifications.
- Discussion of omics-based molecular technologies for biomarker characterization.
- Exploration of translational strategies for clinical application.
Main Results:
- Circulating nucleic acids show functional significance in reflecting disease profiles.
- Epigenetic phenomena, beyond DNA sequence changes, are critical in disease etiology and pathophysiology.
- Knowledge regarding circulating epigenetic signatures as diagnostic tools is currently limited.
Conclusions:
- Circulating epigenetic signatures represent a promising frontier for early NCD diagnosis and monitoring.
- Further characterization of these biomarkers through omics technologies is essential for clinical translation.
- Development of accurate point-of-care tests is crucial for widespread screening of high-risk populations.
Abstract:
The burden of cardio-vascular and other age-related non-communicable diseases are rapidly increasing worldwide. Majority of these chronic ailments are curable, if diagnosed at early stages. Candidate biomarkers of early detection are therefore essential for identification of high-risk individuals, prompt and accurate disease diagnosis, and to monitor therapeutic response. The functional significance of circulating nucleic acids that recapitulate specific disease profiles is now well established. But subtle changes in DNA sequence may not solely reflect the differentiation of gene expression patterns observed in diverse set of diseases as epigenetic phenomena play a larger role in aetiology and patho-physiology. Unlike genetic markers, knowledge about the diagnostic utility of circulating epigenetic signatures: methylated DNA; micro RNA and modified histones are deficient. Characterization of these novel entities through omics-based molecular technologies might prompt development of a range of laboratory-based strategies, thereby accelerating their broader translational purpose for early disease diagnosis, monitoring therapeutic response and drug resistance. However, largest opportunity for innovation lies in developing point-of-care tests with accurate diagnostic and higher prognostic score that is applicable for screening of high-risk populations.
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