Related Experiment Video
Updated: Jul 6, 2026

Exploring Caspase Mutations and Post-Translational Modification by Molecular Modeling Approaches
Published on: October 13, 2022
[Substances modifying the activity of caspases]
T Bartl1, P Zádníková, R Jiríkovská
1Veterinární a farmaceutická univerzita Brno, Farmaceutická fakulta, Ustav chemických léciv. tbartl@vfu.cz
Abstract:
Caspases are enzymes which play a key role in programmed cell death--apoptosis. Dysregulation of this process results in a series of disorders in which apoptosis is involved in pathogenesis. Diseases could be divided into two groups--diseases with pathological inhibition of apoptosis (cancer, some autoimmune disorders) and diseases with pathological induction of apoptosis (neurodegenerative disorders, AIDS). The paper lists the most significant activators and inhibitors of caspases as they control apoptosis and hence they are widely studied nowadays. The effects of stobadine, theophylline and adenine derivatives on the activity of caspase 1 was investigated with the use of spectrophotometry. The compounds under study showed an inhibitory effect on the enzyme tested; in one case the inhibitory effect exceeded 80%.
Insights
Caspase inhibitors, including stobadine, theophylline, and adenine derivatives, were studied for their effects on programmed cell death (apoptosis). These compounds demonstrated significant caspase 1 inhibition, with one exceeding 80% effectiveness.
Area of Science:
- Biochemistry
- Molecular Biology
- Enzymology
Context:
- Caspases are crucial enzymes regulating programmed cell death (apoptosis).
- Dysregulation of apoptosis is implicated in various diseases, including cancer, autoimmune disorders, neurodegenerative diseases, and AIDS.
- Identifying modulators of caspase activity is vital for understanding and treating these conditions.
Purpose:
- To investigate the inhibitory effects of stobadine, theophylline, and adenine derivatives on caspase 1 activity.
- To assess the potential of these compounds as therapeutic agents by quantifying their impact on apoptosis.
Summary:
- The study examined the influence of stobadine, theophylline, and adenine derivatives on caspase 1, an enzyme central to apoptosis.
- Spectrophotometry was employed to measure the enzyme's activity in the presence of these compounds.
- All tested compounds exhibited inhibitory effects on caspase 1, with one derivative showing over 80% inhibition.
Impact:
- These findings highlight the potential of specific chemical compounds to modulate caspase activity.
- The identified inhibitors could serve as leads for developing novel therapeutic strategies for diseases associated with apoptosis dysregulation.
- Further research into these caspase inhibitors may offer new avenues for treating cancer, neurodegenerative disorders, and other apoptosis-related pathologies.
Related Concept Videos
Caspases
The Intrinsic Apoptotic Pathway
The Extrinsic Apoptotic Pathway
Apoptosis
Covalently Linked Protein Regulators
These groups modify specific amino acids in a protein.
Phagocytosis of Apoptotic Cells
Normal cells contain receptors that prevent them from being recognized by phagocytes.

