HOXB13 and Its Role in Colorectal Cancer
Author Information
Author(s): C Jung, R-S Kim, H Zhang, S-J Lee, H Sheng, P J Loehrer, T A Gardner, M-H Jeng, C Kao
Primary Institution: Indiana University
Hypothesis
The study investigates the role of HOXB13 in colorectal tumorigenesis and its interaction with TCF4.
Conclusion
The downregulation of HOXB13 in colorectal cancer may contribute to tumor growth by disrupting β-catenin/TCF signaling.
Supporting Evidence
- 62% of colorectal tumors showed diminished expression of HOXB13.
- HOXB13 downregulated TCF4 and its target gene c-myc at the protein level.
- Forced expression of HOXB13 suppressed the growth of colorectal cancer cells.
Takeaway
HOXB13 is a gene that helps control cell growth, and when it's not working properly in colorectal cancer, it can lead to more tumor growth.
Methodology
The expression of HOXB13 was evaluated in 53 colorectal tumors and their matching normal tissues using quantitative RT-PCR analysis.
Limitations
The study was limited to colorectal tumors from the distal left colon to rectum, which may not represent all colorectal cancers.
Statistical Information
P-Value
0.02
Confidence Interval
95%
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website