Expression patterns of angiogenic and lymphangiogenic factors in ductal breast carcinoma in situ
2005

Growth Factors in Ductal Breast Carcinoma in Situ

Sample size: 200 publication 10 minutes Evidence: moderate

Author Information

Author(s): Wülfing P, Kersting C, Buerger H, Mattsson B, Mesters R, Gustmann C, Hinrichs B, Tio J, Böcker W, Kiesel L

Primary Institution: University of Münster

Hypothesis

The study investigates the expression of various growth factors associated with angiogenesis and lymphangiogenesis in ductal carcinomas in situ of the breast.

Conclusion

The study found that in situ carcinomas are capable of inducing angiogenesis and lymphangiogenesis, with higher activity in pure DCIS compared to DCIS with invasive carcinoma.

Supporting Evidence

  • VEGF-C and its receptor Flt-4 were expressed in nearly all DCIS lesions.
  • Most DCIS cases showed significant expression of various angiogenic growth factors.
  • Higher angiogenic activity was found in pure DCIS compared to DCIS with invasive carcinoma.
  • Expression patterns of angiogenic markers differed between pure and coexistent DCIS.

Takeaway

This study looked at how certain growth factors help tumors grow in a type of breast cancer called DCIS, finding that some tumors can grow blood vessels to help them survive.

Methodology

The study used immunohistochemistry on tissue microarrays from 200 DCIS specimens to analyze the expression of various growth factors and their receptors.

Potential Biases

Potential bias in sample selection and interpretation of immunohistochemical results.

Limitations

The study may not account for all variables influencing angiogenesis and lymphangiogenesis in DCIS.

Participant Demographics

Median age of participants was 59 years, with a range from 18 to 94 years.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6602567

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication