Article ; Online: ΔNp73 status in peritoneal and ovarian dissemination of appendicular adenocarcinoids (goblet cells).
2019 Volume 21, Issue 10, Page(s) 1432–1439
Abstract: Introduction: Goblet cell carcinoma (GCC) is an appendicular neoplasia representing less than 5% of all appendicular tumors, found in 0.3-0.9% of the appendectomies, 35-58% of all appendicular neoplasms, and less than 14% of malign appendix tumors. The ... ...
| Abstract | Introduction: Goblet cell carcinoma (GCC) is an appendicular neoplasia representing less than 5% of all appendicular tumors, found in 0.3-0.9% of the appendectomies, 35-58% of all appendicular neoplasms, and less than 14% of malign appendix tumors. The most frequent clinical presentation is abdominal pain associated with a picture of acute appendicitis. Materials and methods: We present 3 clinical cases of appendix GCC, 2 subjected to cytoreductory surgery plus intraperitoneal hyperthermic chemotherapy and a third, who is currently receiving neoadjuvant treatment with a good response to chemotherapy and who will be offered the same treatment as the first two patients. Given the unpredictable behavior of these tumors, the use of molecular markers could help us to predict their behavior and prognosis. In this context, the TP73 gene would make an interesting putative marker. ∆Np73 has been described as overexpressed in a great variety of tumor types including colon cancer and this up-regulation is associated with a poor prognosis. To evidence its role in this malignancy, we evaluate here the status of ∆Np73 in the primary tumor and normal counterpart tissues, in the metastatic implants and in healthy areas of the peritoneum from the appendicular GCC patients. In addition, we checked the expression levels of this p73 variant in the tumor and normal tissue of 26 patients with colon cancer. Results: Remarkably, 2 patients showed significant ∆Np73 down-regulation in both the primary tumor and the implants. Case 1 presented a fourfold decrease of levels in the primary tumor and 20-fold decrease in the implants. Case 2 showed a seven- and fourfold down-regulation in the primary tumor and implants, respectively. However, Case 3 showed an up-regulation of 53- and threefold in the primary tumor and implants, respectively. Conclusion: Goblet cell carcinoma of the appendix is very rate. It tends to seed throughout the peritoneum, making aggressive surgical cytoreduction and chemotherapy viable treatment options. Investigation into the molecular basis of these tumors may improve the diagnosis, prognosis and therapeutic decisions regarding these patients. ∆Np73 seems a good candidate for further analysis in longer series. |
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| MeSH term(s) | Adenocarcinoma/chemistry ; Adenocarcinoma/secondary ; Adenocarcinoma/therapy ; Appendiceal Neoplasms/chemistry ; Appendiceal Neoplasms/pathology ; Appendiceal Neoplasms/therapy ; Biomarkers, Tumor/analysis ; Colon/chemistry ; Colonic Neoplasms/chemistry ; Cytoreduction Surgical Procedures ; Down-Regulation ; Female ; Goblet Cells/chemistry ; Humans ; Hyperthermia, Induced ; Male ; Middle Aged ; Ovarian Neoplasms/chemistry ; Ovarian Neoplasms/secondary ; Peritoneal Neoplasms/chemistry ; Peritoneal Neoplasms/secondary ; Peritoneum/chemistry ; Tumor Protein p73/analysis | |||||
| Chemical Substances | Biomarkers, Tumor ; Tumor Protein p73 ; delta Np73 protein, human | |||||
| Language | English | |||||
| Publishing date | 2019-04-25 | |||||
| Publishing country | Italy | |||||
| Document type | Case Reports ; Journal Article | |||||
| ZDB-ID | 2397359-6 | |||||
| ISSN | 1699-3055 ; 1699-048X | |||||
| ISSN (online) | 1699-3055 | |||||
| ISSN | 1699-048X | |||||
| DOI | 10.1007/s12094-019-02091-1 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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