Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Analysis of stimulus-response chains using nonlinear dynamics

J P Trzeciakowski1

  • 1Department of Medical Pharmacology and Toxicology, Texas A&M University Health Science Center, College Station, TX 77843-1114, USA.

Journal of Pharmacological and Toxicological Methods
|October 1, 1996
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Loss of smooth muscle α-actin effects on mechanosensing and cell-matrix adhesions.

Experimental biology and medicine (Maywood, N.J.)·2020
Same author

Nonlinear analysis of partial dopamine agonist effects on cAMP in C6 glioma cells.

Journal of pharmacological and toxicological methods·2001
Same author

A method for normalizing drug responses to enhance reliability of parametric statistical tests.

Journal of pharmacological and toxicological methods·1999
Same author

Stimulus amplification, efficacy, and the operational model. Part I--binary complex occupancy mechanisms.

Journal of theoretical biology·1999
Same author

Stimulus amplification, efficacy, and the operational model. Part II--ternary complex occupancy mechanisms.

Journal of theoretical biology·1999
Same author

Effect of ethanol dependence on GABAA antagonist-induced seizures and agonist-stimulated chloride uptake.

Alcohol (Fayetteville, N.Y.)·1991
Same journal

Analytical performance of poly(L-cysteine) modified pencil graphite electrode for dapsone detection.

Journal of pharmacological and toxicological methods·2026
Same journal

Corrigendum to "Nonclinical cardiovascular safety assessment of thioridazine: Impact of heart rate, body temperature, and choice of species" [Journal of Pharmacological and Toxicological Methods, Volume 115 (2022), 107167].

Journal of pharmacological and toxicological methods·2026
Same journal

Rapid and sensitive quantification of pemetrexed in human plasma by LC-MS/MS using a stable isotope-Labeled internal standard for therapeutic drug monitoring.

Journal of pharmacological and toxicological methods·2026
Same journal

The INSPIRE doctoral network in safety pharmacology - Looking back and ahead.

Journal of pharmacological and toxicological methods·2026
Same journal

NADES-assisted sustainable extraction of total protein content from Achyranthes bidentata seeds and their biochemical characterization.

Journal of pharmacological and toxicological methods·2026
Same journal

Non-invasive, home cage digital monitoring for improved safety pharmacology assessments in drug development: ICH S7A update considerations.

Journal of pharmacological and toxicological methods·2026
See all related articles

Nonlinear dynamics reveal stimulus thresholds and signaling pathway dynamics. This approach enhances quantitative analysis of drug action by modeling biochemical events and predicting cellular responses.

Area of Science:

  • Biochemistry
  • Pharmacology
  • Nonlinear Dynamics

Background:

  • Stimulus chains link receptor occupation to physiological responses.
  • These biochemical events are often modeled as sequential hyperbolic responses.

Purpose of the Study:

  • To apply nonlinear dynamics techniques to analyze stimulus chains.
  • To understand the dynamics of biochemical signaling pathways.
  • To provide new quantitative and qualitative approaches for analyzing drug action.

Main Methods:

  • Iterated map function analysis (bifurcation analysis, graphical iteration).
  • Determination of fixed points and their stability.
  • Lyapunov exponents calculation.

Main Results:

Related Experiment Videos

  • Identified stimulus thresholds via repelling fixed points.
  • Determined terminal stimulus size (S omega) via attracting fixed points.
  • Developed equations for predicting agonist EC50 changes.
  • Linked cell parameters to stimulus amplification and maximal response rates using Lyapunov exponents.

Conclusions:

  • Nonlinear dynamics offer powerful tools for analyzing cellular signaling.
  • This approach provides novel quantitative and qualitative insights into drug action mechanisms.
  • Understanding stimulus chain dynamics is crucial for pharmacology.