Attenuated expression of HRH4 in colorectal carcinomas: a potential influence on tumor growth and progression
2011

HRH4 Expression in Colorectal Cancer and Its Impact on Tumor Growth

Sample size: 107 publication Evidence: moderate

Author Information

Author(s): Fang Zhengyu, Yao Wantong, Xiong Yi, Li Jiana, Liu Li, Shi Lei, Zhang Wei, Zhang Chao, Nie Liping, Wan Jun

Primary Institution: Biomedical Research Institute, Shenzhen-PKU-HKUST Medical Center, Guangdong Province, Shenzhen, China

Hypothesis

The study aims to evaluate the clinical and molecular phenotypes of colorectal tumors with abnormal HRH4 expression.

Conclusion

Abnormal HRH4 expression in colorectal cancers may influence tumor growth and progression.

Supporting Evidence

  • HRH4 protein levels were reduced in most human colorectal cancer samples.
  • mRNA levels of HRH4 were also reduced in both early-stage and advanced colorectal cancer samples.
  • HRH4 over-expression caused growth arrest in colorectal cancer cells.

Takeaway

This study found that a protein called HRH4 is less present in colorectal cancer tissues, which might affect how these cancer cells grow.

Methodology

The study used immunoblotting, real-time PCR, immunofluorescence, and immunohistochemistry to examine HRH4 expression in colorectal cancer samples and adjacent normal tissues.

Limitations

The study did not explore the in vivo effects of HRH4 manipulation in colorectal cancer.

Participant Demographics

Patients were surgical patients from the Department of Gastroenterology, Shenzhen Hospital, Peking University.

Statistical Information

P-Value

p < 0.001

Statistical Significance

p < 0.001

Digital Object Identifier (DOI)

10.1186/1471-2407-11-195

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication