Differential expression of RAGE, EGFR and Ki-67 in primary tumors and lymph node deposits of breast carcinoma

Theodor Bilharz Research Institute

Bibliographic Information

Authors: Aboushousha T.; Hammam O.; Safwat G.; Eesa A.; Ahmed S.; Esmat M.E.; Helmy A.H.

Journal: Asian Pacific Journal of Cancer Prevention

Publisher: Asian Pacific Organization for Cancer Prevention

Publication Date: 2018

Volume / Issue: Volume 19 / Issue 8

Pages: 2269–2277

ISSN: 15137368

DOI: 10.22034/APJCP.2018.19.8.2269

Scopus: View on Scopus

PubMed: 30139236

Document Type: Article

Authors and Affiliations

Aboushousha T., Department of Pathology, Cairo university, Cairo, Egypt; Hammam O., Department of Pathology, Cairo university, Cairo, Egypt; Safwat G., Faculty of Biotechnology, October University for Modern Sciences and Arts, Cairo university, Cairo, Egypt; Eesa A., Department of Pathology, Faculty of Medicine, Cairo university, Cairo, Egypt; Ahmed S., Faculty of Biotechnology, October University for Modern Sciences and Arts, Cairo university, Cairo, Egypt; Esmat M.E., Department of Surgery, Theodor Bilharz Research Institute, Cairo university, Cairo, Egypt; Helmy A.H., Department of Surgery, Theodor Bilharz Research Institute, Cairo university, Cairo, Egypt

Abstract

Background: Breast cancer is a complex disease that results from the inheritance of a number of susceptible genes. Intensive search wok was conducted world-wide on molecular bases of breast cancer in order to achieve the best therapeutic modalities; however, breast cancer still remains a challengeable task. It is very important to determine if the biological parameters in metastatic regional lymph nodes are similar to that in the primary breast cancer because therapy is indicated for patients with synchronous metastatic regional lymph nodes of breast cancer. Difference in therapeutic response in cases of breast cancer may be assumed partially to variability in the biological behavior of tumor tissue in primary breast cancer and lymph node metastasis. Aim: Our aim is to evaluate any variability in the expression of three types of tissue markers in both the primary breast tumors and corresponding axillary lymph nodes in order to expect the targeted therapeutic effect on both sites. Material and Methods: Three markers from different categories; RAGE, EGFR and Ki-67 were immunohistochemicalyl studied for their expression in biopsy specimens from primary breast tumors and their corresponding axillary lymph nodes. Results: There was a statistically significant difference in the expression of these markers between benign and malignant breast lesions.Although we found some differences in the expression of the three studied markers between primary breast cancer and corresponding axillary lymph nodes, yet these variations were mostly not statistically significant. Conclusion: Our findings support the validity of anti-RAGE and anti-EGFR therapy for treatment of both primary and nodal metastatic breast cancer in immunopositive cases. © 2018 Asian Pacific Organization for Cancer Prevention.

Keywords

Breast cancer; EGFR; IHC; Ki-67; Lymph node metastasis; RAGE; Adolescent; Adult; Antigens, Neoplasm; Biomarkers, Tumor; Breast Neoplasms; Case-Control Studies; ErbB Receptors; Female; Follow-Up Studies; Humans; Ki-67 Antigen; Lymph Nodes; Lymphatic Metastasis; Middle Aged; Mitogen-Activated Protein Kinases; Prognosis; Young Adult; EGFR protein, human; epidermal growth factor receptor; Ki 67 antigen; mitogen activated protein kinase; MOK protein, human; tumor antigen; tumor marker; breast tumor; case control study; follow up; human; lymph node; metabolism; pathology

Citation Information

Scopus Citations: 8

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