p63 regulates cell growth and differentiation and contributes to tumorigenesis through its complex isoforms. Gestational trophoblastic disease encompasses a heterogeneous family of lesions with different malignant potential that arise from various trophoblast subpopulations. This study investigated the expression of p63 isoforms in various trophoblastic diseases and correlated with clinical progress, proliferation, and apoptotic activities. 4A4 and anti-p40 antibodies were applied to assess expressions of total and DeltaNp63 isoforms in 20 placentas, 62 hydatidiform moles, 9 choriocarcinomas, 5 placenta site trophoblastic tumors, and 2 epithelioid trophoblastic tumors immunohistochemically. The immunoreactivity of p63 was localized to the nuclei of cytotrophoblast, villous, and chorionic-type intermediate trophoblasts with significant correlation between 2 p63 indices (P<0.001). p63 indices were significantly lower in placentas of advanced gestational age (P<0.001). Hydatidiform moles demonstrated significantly higher p63 indices than normal placentas (P<0.001). Epithelioid trophoblastic tumors displayed the highest p63 indices (45%-80%) whereas immunoreactivity was only focal in choriocarcinoma (0%-5.62%) and was essentially absent in placenta site trophoblastic tumors. There was no significant correlation between p63 indices and subsequent development of trophoblastic neoplasia in hydatidiform moles (P>0.05). Both p63 indices positively correlated with the proliferative index (Ki67) (P<0.05), apoptotic index (M30) (P<0.005), p53 (P<0.005), and p21(WAF1/CIP1) expression (P<0.005). Our results indicate that DeltaNp63, the dominant isoforms expressed in trophoblasts, display heterogeneous expression patterns in relation to trophoblast subtypes. We also demonstrate for the first time the possible role of p63 in the pathogenesis of gestational trophoblastic disease (GTD) through its interaction with p53-dependent proliferation and apoptotic activities.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1097/PGP.0b013e318189555b | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Pulmonary artery choriocarcinoma mimicking pulmonary thromboembolism: a case report.
Transl Cancer Res
December 2024
Department of Geriatric Respiratory Disease, Institute of Guangdong Provincial Geriatrics, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China.
Background: Primary choriocarcinoma of the pulmonary artery is an exceedingly rare malignant neoplasm, which is often misdiagnosed due to its nonspecific clinical presentation. While this condition is characterized by the presence of trophoblastic cells, typically associated with gestational trophoblastic diseases, we encountered a case occurring in an extragenital location. The rarity of such tumors makes it challenging for clinicians to consider them in differential diagnosis, especially when the initial symptoms mimic more common conditions such as pulmonary thromboembolism (PTE).
View Article and Find Full Text PDFCurrent status of fertility preservation procedures in gynecologic oncology: from a Chinese perspective.
J Assist Reprod Genet
January 2025
Department of Gynaecology, Cancer Hospital of Dalian University of Technology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Liaoning Province, Shenyang, 110001, The People's Republic of China.
Background: The "Healthy China" initiative, along with advancements in technology for cancer diagnosis and treatment, has significantly enhanced outcomes for patients with gynecologic tumors. The trends of late marriage and delayed childbirth have led to an increasing number of women diagnosed with gynecologic cancers who are seeking fertility preservation in China. This issue is critical yet often overlooked in clinical practice.
View Article and Find Full Text PDFInvasive Hydatidiform Mole Mimicking Ectopic Pregnancy: A Case Report and Literature Analysis.
Am J Case Rep
January 2025
Department of Pathology, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
BACKGROUND Gestational trophoblastic diseases (GTDs) are a group of benign and malignant tumors that arise from placental tissue. Ectopic pregnancies most commonly occur within the fallopian tubes. The estimated incidence of ectopic gestational trophoblastic diseases (GTDs) is approximated at 1.
View Article and Find Full Text PDFSerum FoxO1 and SIRT2 concentrations in healthy pregnant women and complicated by preeclampsia.
Ir J Med Sci
January 2025
Department of Obstetrics and Gynecology, Perinatology Clinic, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey.
Background: Sirtuins and FoxO1 are reported to be important in the pathophysiology of preeclampsia. This study aimed to investigate whether serum FoxO1 and SIRT2 concentrations differ between preeclampsia and normal pregnancy and also to compare these markers in early- and late-onset preeclampsia.
Methods: This cross-sectional study was conducted on 27 women with early-onset preeclampsia, 27 women with late-onset preeclampsia, and 26 healthy normotensive pregnant controls.
Trophectoderm-specific gene manipulation using adeno-associated viral vectors.
Exp Anim
January 2025
Research Institute for Microbial Diseases, Osaka University.
In mammals, blastocyst-stage trophectoderm (TE) contacts the maternal body at the time of implantation and forms the placenta after implantation, which supports the development of the fetus. Studying gene function in TE and placenta is important to understand normal implantation and pregnancy processes and their dysfunction. However, genetically modified mice are commonly generated by manipulating pronuclear-stage zygotes, which modify both the genome of the fetus and the placenta.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!