CHL1 Gene Expression in Major Human Cancers
Author Information
Author(s): Senchenko Vera N., Krasnov George S., Dmitriev Alexey A., Kudryavtseva Anna V., Anedchenko Ekaterina A., Braga Eleonora A., Pronina Irina V., Kondratieva Tatiana T., Ivanov Sergey V., Zabarovsky Eugene R., Lerman Michael I.
Primary Institution: Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
Hypothesis
CHL1 may have dual roles in cancer, acting as a tumor suppressor during early growth and as an oncogene during invasion and metastasis.
Conclusion
The CHL1 gene is involved in the development of various human cancers, showing down-regulation in primary tumors and potential up-regulation in metastatic growth.
Supporting Evidence
- CHL1 expression was down-regulated in over 40% of cases in 11 cancer types.
- Up-regulation of CHL1 was associated with invasive growth in 5 cancer types.
- 61% of breast cancer specimens showed decreased CHL1 expression.
- 60% of lung cancer specimens showed decreased CHL1 expression.
- 87% of clear cell renal cancer specimens showed decreased CHL1 expression.
Takeaway
The CHL1 gene helps cancer grow in the beginning but can also help it spread to other parts of the body later on.
Methodology
Expression of the CHL1 gene was analyzed using Clontech Cancer Profiling Arrays and validated by RT-qPCR in various cancer types.
Potential Biases
Potential biases in sample selection and analysis methods could affect the results.
Limitations
The study may not cover all cancer types and relies on specific sample sets, which may not represent the entire population.
Participant Demographics
The study included samples from various cancer types, including breast, lung, and renal cancers.
Statistical Information
P-Value
P<0.03 for breast cancer, P<0.02 for lung cancer, P<0.01 for renal cancer.
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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