Methods for telomere length measurement: an update on current technologies and emerging approaches

Area of Science:

• Biochemistry
• Genetics
• Cell Biology

Background:

• Telomeres are protective caps at chromosome ends, crucial for genomic stability.
• Telomere length serves as a biomarker for cellular aging and is implicated in diseases and cancer.
• Numerous lifestyle factors and age-related conditions influence telomere attrition.

Purpose of the Study:

• To provide a comprehensive overview of current telomere length measurement methods.
• To highlight the advantages, limitations, and applications of existing techniques.
• To explore the impact of long-read sequencing on telomere research.

Main Methods:

• Review of over two dozen established telomere length measurement techniques.
• Analysis of emerging methods, particularly those utilizing long-read sequencing.
• Comparative assessment of method efficiency, accuracy, and applicability.

Main Results:

• Telomere length is a critical indicator of cellular aging and disease.
• A wide array of methods exist for telomere length assessment, each with unique strengths and weaknesses.
• Long-read sequencing offers enhanced efficiency and novel insights into telomere structure and diversity.

Conclusions:

• Selecting the appropriate telomere measurement method is crucial for specific research goals.
• Advancements in sequencing technologies are revolutionizing telomere length analysis.
• Further research into telomere biology holds promise for understanding aging and disease.