Association between leukocyte telomere length and colorectal cancer risk in the Singapore Chinese health study
Open accessAbstract
OBJECTIVES: Telomeres and telomerase play important roles in maintaining chromosome integrity and genomic stability. To address a lack of consensus about the association between leukocyte telomere length and colorectal cancer, we investigated this association in the Singapore Chinese Health Study. METHODS: Relative telomere length in white blood cells was quantified using a validated quantitative polymerase chain reaction method in 26,761 participants, including 776 incident colorectal cancer cases. The Cox proportional hazard regression method was used to calculate the hazard ratio and the corresponding 95% confidence interval (CI) for colorectal cancer associated with longer telomeres. RESULTS: Longer telomeres were significantly associated with a higher risk of colorectal cancer ( P trend = 0.02). Compared with the lowest quartile, subjects with the highest quartile of telomere length had a hazard ratio of 1.32 (95% CI: 1.08–1.62) for developing colorectal cancer. The corresponding elevation in rectal cancer risk for the highest quartile of telomere length was 71% (95% CI: 22–140, P trend = 0.02). There was no statistically significant association between telomere length and risk of colon cancer. DISCUSSION: This large cohort study of Singapore Chinese, the first study using a cohort study design with more than 26,000 participants that yielded 776 incidence colorectal cancer cases during 12 years of follow-up, provides evidence in support of longer telomeres being associated with a higher risk of colorectal cancer, particularly rectal cancer.
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Some researchers, such as Luu et al. and Peacock et al., have reported that the risk of developing CRC seems to be higher in people with longer telomeres.
“Some researchers, such as Luu et al. [197] and Peacock et al. [198], have reported that the risk of developing CRC seems to be higher in people with longer telomeres.”
From Current and Future Trends of Colorectal Cancer Treatment: Exploring Advances in Immunotherapy (2024) · cites this paper as [197]
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Cited by
Sorted by citations
Current and Future Trends of Colorectal Cancer Treatment: Exploring Advances in Immunotherapy
Nikolouzakis, T. K., Chrysos, E., Docea, A. O., Fragkiadaki, P., Souglakos, J., Tsiaoussis, J., & Tsatsakis, A. (2024) · Cancers · doi:10.3390/cancers16111995 · Cited by 37 · see citing works
- Authors
- Luu, H. N., Qi, M., Wang, R., Adams-Haduch, J., Miljkovic, I., Opresko, P. L., Jin, A., Koh, W.-P., & Yuan, J.-M.
- Affiliations
- University of Pittsburgh (US)
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA;
- Duke-NUS Medical School (SG)
- National University of Singapore (SG)
- Corresponding author
- Luu, Hung N.
- ORCID
- Venue
- Clinical and Translational Gastroenterology
- Published
- 2019-05-03
- Volume
- 10
- Issue
- 5
- Pages
- e00043
- ISSN
- 2155-384X (ISSN-L)
- PMC
- PMC6602767
- OpenAlex
- W2944345716
- Cited by
- 20
- References
- 45
- Citations by year
- 2025: 1 · 2024: 2 · 2023: 4 · 2022: 5 · 2021: 6 · 2020: 2
- FWCI
- 2.23
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Clinical and Translational Gastroenterology (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- National University of Singapore (submittedVersion, cc-by-nc-nd)
- Funders
- National Cancer Institute (R01CA144034, R01CA080205, P20CA210300, UM1CA182876)
- Topics
- Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
- Health Sciences › Medicine › Oncology › Colorectal Cancer Screening and Detection
- Health Sciences › Medicine › Pathology and Forensic Medicine › Genetic factors in colorectal cancer
- Keywords
- leukocyte telomere length, colorectal cancer, rectal cancer, colon cancer, cancer risk, telomerase, Singapore Chinese Health Study, genome stability
- MeSH terms
- Aged, Aged, 80 and over, Female, Follow-Up Studies, Humans, Leukocytes, Male, Middle Aged, Prospective Studies, Risk Factors, Singapore, Colorectal Neoplasms, Incidence, Telomere, Risk Assessment, Asian People, Telomere Homeostasis, Real-Time Polymerase Chain Reaction
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