Related Experiment Video
Updated: May 15, 2026

Transplantation Into the Mouse Ovarian Fat Pad
Published on: September 7, 2016
Ubiquitin pathway and ovarian cancer
1Department of Gynecology and Obstetrics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, PR China.
Abstract:
The ubiquitin-proteasome pathway is a common cellular process in eukaryotic tissue. Ubiquitin binds to proteins and tags them for destruction; this tagging directs proteins to the proteosome in the cell that degrades and recycles unneeded proteins. The ubiquitin-proteasome pathway plays an important role in the regulation of cellular proteins with respect to cell cycle control, transcription, apoptosis, cell adhesion, angiogenesis, and tumour growth. This review article discusses the various ways that the ubiquitin pathway is involved in ovarian cancer, such as modulating the ovarian-cancer-related gene BRCA1 and tumour suppressor p53, and interfering with the erk pathway, the cyclin-dependent cell cycle regulation process, and ERBB2 gene expression.
Insights
The ubiquitin-proteasome pathway regulates cellular processes and is implicated in ovarian cancer. This review details its role in modulating key genes and pathways involved in tumor growth.
Area of Science:
- Biochemistry
- Molecular Biology
- Oncology
Background:
- The ubiquitin-proteasome pathway (UPP) is a fundamental cellular mechanism for protein degradation in eukaryotes.
- UPP regulates critical cellular functions including cell cycle, transcription, apoptosis, and angiogenesis.
- Dysregulation of UPP is linked to various diseases, including cancer.
Purpose of the Study:
- To review the involvement of the ubiquitin-proteasome pathway in the development and progression of ovarian cancer.
- To highlight how UPP influences key molecular players and signaling pathways in ovarian cancer.
Main Methods:
- Literature review of studies investigating the ubiquitin-proteasome pathway in ovarian cancer.
- Analysis of UPP's role in regulating specific genes (e.g., BRCA1, p53, ERBB2) and pathways (e.g., erk, cell cycle).
Main Results:
- UPP modulates the ovarian cancer-related gene BRCA1 and the tumor suppressor p53.
- The pathway interferes with the erk pathway, cyclin-dependent cell cycle regulation, and ERBB2 gene expression.
- UPP's activity is crucial for regulating processes that drive tumor growth and angiogenesis in ovarian cancer.
Conclusions:
- The ubiquitin-proteasome pathway is a significant factor in ovarian cancer pathogenesis.
- Targeting UPP components may offer novel therapeutic strategies for ovarian cancer treatment.
Related Concept Videos
The Intrinsic Apoptotic Pathway
The Proteasome
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. This involves participation of a series of enzymes including— E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3 (ubiquitin...
The Proteasome
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. A series of enzymes carry out the ubiquitination of the target proteins - E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3...
mTOR Signaling and Cancer Progression
The mTOR pathway or the...
mTOR Signaling and Cancer Progression
The mTOR pathway or the...
Hormonal Control of the Ovarian Cycle
Before puberty, the hypothalamus releases GnRH in a low frequency, low amplitude pulsatile manner. This along with the immature hypothalamic-pituitary-gonadal axis activity, results in low estrogen levels and the absence of a fully functional ovarian cycle. At puberty, GnRH secretion increases in both frequency and...

