Related Experiment Video
Updated: Dec 6, 2025

06:21
Author Spotlight: Genetic Profiling for Fluorouracil Response in Gastric Cancer
Published on: May 10, 2024
1.0K
Telomerase reverse transcriptase rs2736098 polymorphism is associated with lung cancer: A meta-analysis
1Department of Respiration, XiXi Hospital of Hangzhou, Hangzhou, China.
The Journal of International Medical Research
|October 12, 2020
Summary
The telomerase reverse transcriptase (TERT) rs2736098 polymorphism is linked to an increased risk of developing lung cancer. This genetic variation may contribute to lung cancer susceptibility in various populations.
Area of Science:
- Genetics
- Oncology
- Molecular Biology
Background:
- Lung cancer remains a leading cause of cancer-related mortality worldwide.
- Genetic predispositions play a significant role in cancer development.
- The telomerase reverse transcriptase (TERT) gene is implicated in cellular immortalization and cancer progression.
Purpose of the Study:
- To investigate the association between the TERT rs2736098 polymorphism and lung cancer incidence.
- To synthesize existing evidence through a comprehensive meta-analysis.
Main Methods:
- Systematic literature search of PubMed, Embase, and CNKI databases.
- Inclusion of seven studies with 3836 controls and 3637 lung cancer patients.
- Statistical analysis using odds ratios (OR) and 95% confidence intervals (CI) to assess risk.
Main Results:
- A significant association was found between TERT rs2736098 polymorphism and lung cancer incidence across multiple genetic models (e.g., AA vs. GG: OR=1.83, 95% CI=1.58-2.12).
- The polymorphism demonstrated a correlation with lung cancer susceptibility, consistent across studies stratified by sample size and Hardy-Weinberg equilibrium.
- This genetic variant appears to increase the odds of developing lung cancer.
Conclusions:
- The TERT rs2736098 polymorphism is identified as a potential risk factor for lung cancer development.
- These findings contribute to understanding the genetic underpinnings of lung cancer.
- Further research may explore targeted genetic screening for TERT rs2736098 in high-risk individuals.
Related Concept Videos
Single Nucleotide Polymorphisms-SNPs
17.6K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
17.6K
Non-LTR Retrotransposons
12.8K
As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
12.8K
lncRNA - Long Non-coding RNAs
9.5K
In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...
9.5K
Rous Sarcoma Virus (RSV) and Cancer
5.9K
Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
5.9K
Telomeres and Telomerase
26.2K
In eukaryotic DNA replication, a single-stranded DNA fragment remains at the end of a chromosome after the removal of the final primer. This section of DNA cannot be replicated in the same manner as the rest of the strand because there is no 3’ end to which the newly synthesized DNA can attach. This non-replicated fragment results in gradual loss of the chromosomal DNA during each cell duplication. Additionally, it can induce a DNA damage response by enzymes that recognize single-stranded...
26.2K

