Related Experiment Video

Updated: Jan 22, 2026

3-D Cell Culture System for Studying Invasion and Evaluating Therapeutics in Bladder Cancer
09:24

3-D Cell Culture System for Studying Invasion and Evaluating Therapeutics in Bladder Cancer

Published on: September 13, 2018

9.5K

Procaspase-3 Overexpression in Cancer: A Paradoxical Observation with Therapeutic Potential

Matthew W Boudreau1, Jessie Peh1, Paul J Hergenrother1

  • 1Department of Chemistry and Institute for Genomic Biology , University of Illinois at Urbana-Champaign , Urbana , Illinois , United States.

ACS Chemical Biology
|July 2, 2019
PubMed

Insights

Overexpression of procaspase-3 (PC-3) in cancer, a pro-apoptotic protein, is puzzling. Recent findings suggest PC-3 activators could be a novel targeted anticancer strategy by exploiting this overexpression.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Anticancer strategies often target apoptosis, a programmed cell death process.
  • Executioner caspases, like caspase-3, are key mediators of apoptosis.
  • Paradoxical overexpression of procaspase-3 (PC-3) in various cancers has been observed.

Purpose of the Study:

  • To review the overexpression of PC-3 in cancer.
  • To explore the mechanistic basis for PC-3 overexpression.
  • To evaluate PC-3 activators as a potential targeted anticancer strategy.

Main Methods:

  • Literature review of studies on PC-3 in cancer.
  • Analysis of mechanistic insights into PC-3 overexpression.
  • Synthesis of data suggesting therapeutic potential.

Main Results:

  • Subapoptotic caspase-3 activity may promote oncogenic transformation.
  • This activity offers a potential explanation for PC-3 overexpression in cancer.
  • PC-3 overexpression presents a targetable vulnerability in cancer cells.

Conclusions:

  • PC-3 overexpression in cancer is a significant finding with mechanistic underpinnings.
  • Targeting PC-3 with specific activators represents a promising novel anticancer therapeutic avenue.
  • Exploiting PC-3 overexpression could lead to more effective, targeted cancer treatments.

More Related Videos

Author Spotlight: Unveiling the Role of TMOD3 in Platinum Resistance and Immune Infiltration in Ovarian Cancer09:40

Author Spotlight: Unveiling the Role of TMOD3 in Platinum Resistance and Immune Infiltration in Ovarian Cancer

Published on: August 2, 2024

3.2K
TRUE Gene Silencing: Screening of a Heptamer-type Small Guide RNA Library for Potential Cancer Therapeutic Agents09:18

TRUE Gene Silencing: Screening of a Heptamer-type Small Guide RNA Library for Potential Cancer Therapeutic Agents

Published on: June 2, 2016

6.1K

Related Concept Videos

Techniques of therapeutic communication I: Active Listening, Sharing Observations, Validation, and Using Touch01:15

Techniques of therapeutic communication I: Active Listening, Sharing Observations, Validation, and Using Touch

The history of therapeutic communication can be traced back to Florence Nightingale, who emphasized the importance of developing trusting relationships with patients. She taught that the presence of nurses with patients results in therapeutic healing.
Therapeutic communication is not the same as social interaction. Social interaction has no goal or purpose and consists of casual information sharing, whereas therapeutic communication has a plan or purpose for the conversation. Therapeutic...
7.4K
Naturalistic Observations02:30

Naturalistic Observations

If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
17.0K
Therapeutic Index01:13

Therapeutic Index

The therapeutic index of a drug is a key parameter in pharmacology that quantifies the relative safety of a drug by calculating the ratio between the dose that causes toxicity in half the population (50%) to the dose that proves to be effective for half the population (50%). It provides a spectrum of doses for a particular drug ranging from effective to potentially toxic. To illustrate, consider an anticoagulant agent like warfarin. It possesses a narrow window within its therapeutic index to...
6.7K
Actor-Observer Effect01:23

Actor-Observer Effect

The actor-observer effect, a cognitive bias closely linked to the fundamental attribution error, refers to the tendency for individuals to attribute their behavior to external, situational factors while explaining others’ behavior in terms of internal, dispositional traits. This asymmetry in attribution significantly influences social perception and judgment.Cognitive Mechanisms Behind the EffectTwo primary psychological mechanisms contribute to the actor-observer effect: differences in...
358
Observational Learning01:12

Observational Learning

Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
859
Observational Studies01:11

Observational Studies

Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One...
10.8K