Targeting ubiquitin-proteasome pathway by natural, in particular polyphenols, anticancer agents: Lessons learned from

Seyed Fazel Nabavi1, Atanas G Atanasov2, Haroon Khan3

  • 1Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.

Cancer Letters
|July 22, 2018
PubMed

Insights

The ubiquitin-proteasome pathway (UPP) degrades proteins and is crucial in cancer. Certain polyphenols can target the UPP, offering potential as novel anti-cancer drugs.

Area of Science:

  • Molecular Biology
  • Biochemistry
  • Oncology

Background:

  • The ubiquitin-proteasome pathway (UPP) is the primary cellular mechanism for degrading damaged and regulatory proteins.
  • Dysregulation of the UPP is linked to cancer development and progression through altered protein stability.
  • Polyphenols are natural compounds with the ability to influence proteasome activity and subunit expression.

Purpose of the Study:

  • To review the key characteristics of the UPP.
  • To elucidate the UPP's role in cancer initiation and advancement.
  • To highlight polyphenols as potential therapeutic agents targeting the UPP for cancer treatment.

Main Methods:

  • Literature review of the ubiquitin-proteasome pathway.
  • Analysis of UPP involvement in cancer pathogenesis.
  • Evaluation of polyphenol interactions with the UPP.

Main Results:

  • The UPP regulates critical cellular processes and its components are frequently altered in cancer.
  • Modulation of the UPP can impact the stability of proteins involved in cell cycle control and tumor suppression.
  • Bioactive polyphenols demonstrate the capacity to modulate UPP function.

Conclusions:

  • The UPP is a significant therapeutic target for anti-cancer drug development.
  • Polyphenols targeting the UPP represent a promising strategy for novel cancer therapies.
  • Understanding UPP modulation by polyphenols is key to developing new anti-cancer treatments.

Related Concept Videos

The Proteasome02:18

The Proteasome

Eukaryotic cells can degrade proteins through several pathways. One of the most important amongst these is the ubiquitin-proteasome pathway. It helps the cell eliminate the misfolded, damaged, or unwarranted cytoplasmic proteins in a highly specific manner.
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...
10.3K
The Proteasome01:13

The Proteasome

Eukaryotic cells can degrade proteins through several pathways. One of the most important among these is the ubiquitin-proteasome pathway. It helps the cell eliminate the misfolded, damaged, or unwarranted cytoplasmic proteins in a highly specific manner.
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...
1.7K
The Proteasome02:18

The Proteasome

4.6K
Clinical Trials01:16

Clinical Trials

Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
10.8K
Clinical Trials: Overview01:11

Clinical Trials: Overview

Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
5.0K
Statistical Software for Data Analysis and Clinical Trials01:12

Statistical Software for Data Analysis and Clinical Trials

Statistical software is pivotal in data analysis and clinical trials by providing tools to analyze data, draw conclusions, and make predictions. These software packages range from simple data management applications to complex analytical platforms, supporting various statistical tests, models, and simulation techniques. Their significance lies in their ability to handle vast amounts of data with precision and efficiency, enabling researchers to validate hypotheses, identify trends, and make...
1.6K