VEGF, flt-1, and KDR/flk-1 as prognostic indicators in endometrial carcinoma

B. A. Fine, Philip T Valente, G. I. Feinstein, T. Dey

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

Objective. Tumor angiogenesis is a highly regulated process under the influence of the host microenvironment and mediators. Studies of breast cancer and, more recently, ovarian and cervical cancer, demonstrate that neovascularization correlates with the likelihood of metastasis and recurrence. Vascular endothelial growth factor (VEGF), an important regulator of tumor angiogenesis in the endometrium, fit-1, and KDR/flk-1 are good markers of vascular proliferation. Being that angiogenesis is a precursor to the development of progressive disease, we hypothesize that quantifying VEGF, flt-1, and KDR/flk-1 expression in uterine malignancies is a superior predictor of metastatic potential and survival than is FIGO grade of tumor, depth of invasion, and histology. Methods. The histologic slides of 47 patients with uterine malignancies (35 adenocarcinomas, 6 papillary serous, and 6 carcinosarcomas) were reviewed. The paraffin blocks from the primary tumor were obtained. Immunohistochemistry staining was performed for VEGF, flt-1, and KDR/flk-1. Microvessel density, used to analyze VEGF and receptor concentrations, was determined by two independent investigators, who were blinded to the patients clinical status. The impact of VEGF, flt-1, and KDR/flk-1 as well as stage, grade, depth of invasion, and nodal status on the incidence of metastases, recurrence, and survival was determined using logistic regression analysis and product limit life system survival analysis, respectively. Results. Results indicated that when evaluating all three histologic types, only stage and grade of tumor were found to impact upon the incidence of recurrence and survival. When patients with carcinosarcoma and papillary serous adenocarcinoma were excluded from the analysis, once again only stage and grade of tumor were significant prognostic indicators of recurrence and survival. Only grade of tumor and depth of uterine invasion were significant predictors of a tumor's metastatic potential. VEGF, flt-1, and KDR/flk-1 proved to be of little significance in predicting metastases, recurrence, and survival. Patients with advanced disease in all three histologic subtypes often had low VEGF and receptor positivity. Conclusions. In this study, VEGF, flt-1, and KDR/flk-1 receptor concentrations did not correlate with the incidence of metastases, recurrence, and survival.

Original languageEnglish (US)
Pages (from-to)33-39
Number of pages7
JournalGynecologic Oncology
Volume76
Issue number1
DOIs
StatePublished - Jan 2000

Fingerprint

Endometrial Neoplasms
Vascular Endothelial Growth Factor A
Neoplasms
Recurrence
Survival
Papillary Adenocarcinoma
Neoplasm Metastasis
Carcinosarcoma
Vascular Endothelial Growth Factor Receptor
Incidence
Survival Analysis
Endometrium
Microvessels
Uterine Cervical Neoplasms
Paraffin
Ovarian Neoplasms
Blood Vessels
Histology
Logistic Models
Immunohistochemistry

Keywords

  • Angiogenesis
  • Endometrial carcinoma
  • VEGF

ASJC Scopus subject areas

  • Obstetrics and Gynecology
  • Oncology

Cite this

VEGF, flt-1, and KDR/flk-1 as prognostic indicators in endometrial carcinoma. / Fine, B. A.; Valente, Philip T; Feinstein, G. I.; Dey, T.

In: Gynecologic Oncology, Vol. 76, No. 1, 01.2000, p. 33-39.

Research output: Contribution to journalArticle

Fine, B. A. ; Valente, Philip T ; Feinstein, G. I. ; Dey, T. / VEGF, flt-1, and KDR/flk-1 as prognostic indicators in endometrial carcinoma. In: Gynecologic Oncology. 2000 ; Vol. 76, No. 1. pp. 33-39.
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T1 - VEGF, flt-1, and KDR/flk-1 as prognostic indicators in endometrial carcinoma

AU - Fine, B. A.

AU - Valente, Philip T

AU - Feinstein, G. I.

AU - Dey, T.

PY - 2000/1

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N2 - Objective. Tumor angiogenesis is a highly regulated process under the influence of the host microenvironment and mediators. Studies of breast cancer and, more recently, ovarian and cervical cancer, demonstrate that neovascularization correlates with the likelihood of metastasis and recurrence. Vascular endothelial growth factor (VEGF), an important regulator of tumor angiogenesis in the endometrium, fit-1, and KDR/flk-1 are good markers of vascular proliferation. Being that angiogenesis is a precursor to the development of progressive disease, we hypothesize that quantifying VEGF, flt-1, and KDR/flk-1 expression in uterine malignancies is a superior predictor of metastatic potential and survival than is FIGO grade of tumor, depth of invasion, and histology. Methods. The histologic slides of 47 patients with uterine malignancies (35 adenocarcinomas, 6 papillary serous, and 6 carcinosarcomas) were reviewed. The paraffin blocks from the primary tumor were obtained. Immunohistochemistry staining was performed for VEGF, flt-1, and KDR/flk-1. Microvessel density, used to analyze VEGF and receptor concentrations, was determined by two independent investigators, who were blinded to the patients clinical status. The impact of VEGF, flt-1, and KDR/flk-1 as well as stage, grade, depth of invasion, and nodal status on the incidence of metastases, recurrence, and survival was determined using logistic regression analysis and product limit life system survival analysis, respectively. Results. Results indicated that when evaluating all three histologic types, only stage and grade of tumor were found to impact upon the incidence of recurrence and survival. When patients with carcinosarcoma and papillary serous adenocarcinoma were excluded from the analysis, once again only stage and grade of tumor were significant prognostic indicators of recurrence and survival. Only grade of tumor and depth of uterine invasion were significant predictors of a tumor's metastatic potential. VEGF, flt-1, and KDR/flk-1 proved to be of little significance in predicting metastases, recurrence, and survival. Patients with advanced disease in all three histologic subtypes often had low VEGF and receptor positivity. Conclusions. In this study, VEGF, flt-1, and KDR/flk-1 receptor concentrations did not correlate with the incidence of metastases, recurrence, and survival.

AB - Objective. Tumor angiogenesis is a highly regulated process under the influence of the host microenvironment and mediators. Studies of breast cancer and, more recently, ovarian and cervical cancer, demonstrate that neovascularization correlates with the likelihood of metastasis and recurrence. Vascular endothelial growth factor (VEGF), an important regulator of tumor angiogenesis in the endometrium, fit-1, and KDR/flk-1 are good markers of vascular proliferation. Being that angiogenesis is a precursor to the development of progressive disease, we hypothesize that quantifying VEGF, flt-1, and KDR/flk-1 expression in uterine malignancies is a superior predictor of metastatic potential and survival than is FIGO grade of tumor, depth of invasion, and histology. Methods. The histologic slides of 47 patients with uterine malignancies (35 adenocarcinomas, 6 papillary serous, and 6 carcinosarcomas) were reviewed. The paraffin blocks from the primary tumor were obtained. Immunohistochemistry staining was performed for VEGF, flt-1, and KDR/flk-1. Microvessel density, used to analyze VEGF and receptor concentrations, was determined by two independent investigators, who were blinded to the patients clinical status. The impact of VEGF, flt-1, and KDR/flk-1 as well as stage, grade, depth of invasion, and nodal status on the incidence of metastases, recurrence, and survival was determined using logistic regression analysis and product limit life system survival analysis, respectively. Results. Results indicated that when evaluating all three histologic types, only stage and grade of tumor were found to impact upon the incidence of recurrence and survival. When patients with carcinosarcoma and papillary serous adenocarcinoma were excluded from the analysis, once again only stage and grade of tumor were significant prognostic indicators of recurrence and survival. Only grade of tumor and depth of uterine invasion were significant predictors of a tumor's metastatic potential. VEGF, flt-1, and KDR/flk-1 proved to be of little significance in predicting metastases, recurrence, and survival. Patients with advanced disease in all three histologic subtypes often had low VEGF and receptor positivity. Conclusions. In this study, VEGF, flt-1, and KDR/flk-1 receptor concentrations did not correlate with the incidence of metastases, recurrence, and survival.

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