A 5'-region polymorphism modulates promoter activity of the tumor suppressor gene MFSD2A
2011

Polymorphism in MFSD2A Gene Affects Lung Cancer Survival

Sample size: 151 publication Evidence: moderate

Author Information

Author(s): Colombo Francesca, Falvella Felicia S, Galvan Antonella, Frullanti Elisa, Kunitoh Hideo, Ushijima Toshikazu, Dragani Tommaso A

Primary Institution: Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy

Hypothesis

Does the SNP rs12072037 in the MFSD2A gene influence its promoter activity and lung cancer prognosis?

Conclusion

SNP rs12072037 modulates MFSD2A promoter activity and may impact lung cancer survival, particularly in Asian populations.

Supporting Evidence

  • SNP rs12072037 is polymorphic in Asians but not in Caucasians.
  • Functional assays showed that SNP rs12072037 significantly affects MFSD2A promoter activity.
  • High levels of AHR and ARNT transcription factors were associated with increased MFSD2A promoter activity.

Takeaway

A specific change in a gene can affect how it works, which might help explain why some people with lung cancer do better than others.

Methodology

The study analyzed SNPs in the MFSD2A gene using luciferase reporter assays and qRT-PCR in various cell lines.

Potential Biases

Potential bias due to the focus on specific ethnic groups and limited sample sizes for certain analyses.

Limitations

The study may not fully capture the role of other transcription factors in MFSD2A promoter activity.

Participant Demographics

Participants included 151 Italian lung adenocarcinoma patients and 30 lung cancer patients from Japan.

Statistical Information

P-Value

0.011, 0.007

Statistical Significance

p<1.0 × 10-6

Digital Object Identifier (DOI)

10.1186/1476-4598-10-81

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