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Updated: May 23, 2026
11:44
Monochrome Multiplex Quantitative PCR Telomere Length Measurement
Published on: March 22, 2024
Reduced telomere length in colorectal carcinomas
Tong-Bao Feng1, Lei-Ming Cai, Ke-Qing Qian
1Department of Oncology, the Affiliated Hospital of Nanjing Medical University, Changzhou No.2 People's Hospital, Changzhou, China.
Asian Pacific Journal of Cancer Prevention : APJCP
|April 25, 2012
Summary
Telomere shortening is linked to colorectal cancer development. Shorter telomeres were observed in colorectal cancers compared to adjacent tissues, but this did not correlate with tumor progression or metastasis.
Area of Science:
- Oncology
- Genetics
- Molecular Biology
Background:
- Telomeres are crucial for chromosome stability.
- Telomere shortening is implicated in cancer initiation and progression.
- Colorectal carcinoma (CRC) is a significant malignancy worldwide.
Purpose of the Study:
- To investigate the association between telomere length and colorectal cancer.
- To determine if telomere length correlates with specific genetic alterations (P53, COX-2) and clinicopathological features in CRC.
Main Methods:
- Analysis of 148 colorectal cancer (CRC) samples and adjacent non-cancerous tissues.
- Telomere length measurement using real-time PCR.
- Evaluation of P53 and cyclooxygenase-2 (COX-2) mutations via fluorescent immunohistochemistry.
Main Results:
- Telomeres were significantly shorter in CRCs compared to adjacent tissues (P=0.004).
- Telomere length showed a difference based on COX-2 status (P=0.004).
- No significant association was found between telomere length and P53 status, tumor progression, gender, or metastasis.
Conclusions:
- Telomere shortening is associated with colorectal carcinogenesis.
- Telomere length does not appear to differ based on tumor progression, gender, or metastasis in CRC.
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