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Related Concept Videos

Toxicity Testing in Animals01:23

Toxicity Testing in Animals

125
Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...
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Toxic Reactions: Overview01:26

Toxic Reactions: Overview

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When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
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Toxicokinetics: Overview01:21

Toxicokinetics: Overview

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Studies that assess how a drug is absorbed, distributed, metabolized, and excreted (ADME) at toxic doses are termed toxicokinetics. Understanding toxicokinetics helps predict adverse drug reactions (ADRs) and manage toxicity in humans.Toxicokinetics differs from pharmacokinetics mainly in the dose levels studied, with toxicokinetics focusing on higher toxic doses. The kinetics at these levels can be non-linear due to altered physiological processes. Toxicodynamics examines the relationship...
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Types of Toxins01:36

Types of Toxins

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Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
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Effects of Chemicals: Overview01:27

Effects of Chemicals: Overview

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Drugs, encompassing various chemical compounds from natural sources, lab synthesis, or genetic engineering, elicit different biological responses in living organisms. Some of these responses are desirable or therapeutic, while others are undesirable. The primary goal of administering a drug is to achieve a therapeutic effect, that is, to address a specific disease or health condition. Any concurrent effects outside of this therapeutic outcome are considered undesirable. These undesirable...
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Drug Toxicity: Overview01:00

Drug Toxicity: Overview

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Drug toxicity quantifies the harm a compound causes to an organism, varying by dose and potentially impacting whole systems or specific organs like the liver. Toxic reactions may arise from venomous insect or spider bites, with effects ranging from mild symptoms to severe outcomes such as brain damage or death. Common forms of acute poisoning include ethanol intoxication and overdose of pain or fever medications, with substances like GHB and heroin being particularly lethal at doses close to...
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Related Experiment Video

Updated: Mar 24, 2026

In Silico Modeling Method for Computational Aquatic Toxicology of Endocrine Disruptors: A Software-Based Approach Using QSAR Toolbox
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ToxiVerse: A Public Platform for Chemical Toxicity Data Sharing and Customizable Predictive Modeling.

Prasannavenkatesh Durai1, Daniel P Russo2, Yitao Shen1,2

  • 1Center for Biomedical Informatics and Genomics, Tulane University School of Medicine, New Orleans, LA 70112, United States.

Biorxiv : the Preprint Server for Biology
|March 23, 2026
PubMed
Summary

ToxiVerse is a new web platform offering user-friendly tools for computational toxicology. It aids researchers in chemical toxicity assessment using machine learning models and curated datasets, reducing reliance on animal testing.

Keywords:
QSARbioprofilingchemical assessmentmachine learningtoxicity datatoxicity prediction

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Area of Science:

  • Computational toxicology and cheminformatics
  • Drug development and environmental safety assessment
  • Machine learning applications in chemical research

Background:

  • Chemical toxicity assessment is crucial for drug development and environmental safety.
  • Computational models offer an alternative to animal testing for chemical evaluation.
  • There is a need for accessible machine learning tools in computational toxicology.

Purpose of the Study:

  • To develop ToxiVerse, a public web-based platform for computational toxicology.
  • To provide user-friendly tools for chemical bioprofiling and toxicity prediction.
  • To support researchers lacking programming expertise in chemical safety evaluation.

Main Methods:

  • Integrated platform with Bioprofiler, Database, and Cheminformatics modules.
  • Bioprofiler module uses chemical-bioactivity data and machine learning for descriptors.
  • Cheminformatics module enables data upload, curation, and Quantitative Structure-Activity Relationship (QSAR) model generation.

Main Results:

  • ToxiVerse provides curated toxicity datasets for approximately 50,000 chemicals.
  • The platform facilitates automatic chemical bioprofiling and QSAR model generation.
  • Users can access data, perform chemical curation, and predict toxicity endpoints.

Conclusions:

  • ToxiVerse empowers researchers with accessible tools for chemical toxicity assessment.
  • The platform enhances chemical bioprofiling and machine learning-based toxicity prediction.
  • ToxiVerse supports efficient chemical safety evaluation, reducing the need for animal testing.