Immunohistochemical localization of pregnancy-related placental protein 4 in nontumorous tissues and in gynecological tumors

P. M. Gocze, R. Józsa, D. G. Szabo, H. Bohn, Dala A. Freeman

Research output: Contribution to journalArticle

Abstract

The aim of the study was to demonstrate the localization of placental protein 4 (PP4) in different nontumorous and tumorous tissues originating from the female genital tract. PP4 immunoreactivity was demonstrated using the peroxidase- antiperoxidase immunohistochemical technique. Tissue samples were obtained from the cervix and body of the uterus, ovary, vulva and from gestational trophoblastic tumors. PP4-positive cells were present in nontumorous tissues with various pathologic findings, and in many but not all benign gynecological tumors. Similar numbers of PP4-positive cells were located in malignant and benign gynecological tumors; however, PP4 staining intensity was greater in the malignant lesions. PP4-positive cells were found in hydatidiform moles and in choriocarcinoma. PP4 was distributed mainly in the cytoplasm, but it was also bound to the cell membrane. We conclude from these studies that PP4 is located in a variety of benign and malignant cells of the female genital tract and that these cells may be the source of plasma PP4 found in patients with these conditions.

Original languageEnglish
Pages (from-to)203-209
Number of pages7
JournalTumor Biology
Volume15
Issue number4
DOIs
Publication statusPublished - 1994

Fingerprint

Pregnancy Proteins
Pregnancy
Neoplasms
Trophoblastic Neoplasms
Hydatidiform Mole
Choriocarcinoma
Vulva
Cervix Uteri
Peroxidase
Blood Proteins
Ovary
Cytoplasm
Cell Membrane
Staining and Labeling

Keywords

  • Gynecological tumor
  • Immunohistochemical
  • Localization
  • Pregnancy-related placental
  • Protein 4
  • Tumor marker

ASJC Scopus subject areas

  • Cancer Research

Cite this

Immunohistochemical localization of pregnancy-related placental protein 4 in nontumorous tissues and in gynecological tumors. / Gocze, P. M.; Józsa, R.; Szabo, D. G.; Bohn, H.; Freeman, Dala A.

In: Tumor Biology, Vol. 15, No. 4, 1994, p. 203-209.

Research output: Contribution to journalArticle

Gocze, P. M. ; Józsa, R. ; Szabo, D. G. ; Bohn, H. ; Freeman, Dala A. / Immunohistochemical localization of pregnancy-related placental protein 4 in nontumorous tissues and in gynecological tumors. In: Tumor Biology. 1994 ; Vol. 15, No. 4. pp. 203-209.
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