Related Experiment Video
Updated: Feb 10, 2026

10:49
Measuring RAN Peptide Toxicity in C. elegans
Published on: April 30, 2020
7.1K
Cerbera odollam toxicity: A review.
Ritesh G Menezes1, Muhammad Shariq Usman2, Syed Ather Hussain2
1Department of Pathology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.
Journal of Forensic and Legal Medicine
|May 21, 2018
Summary
The suicide tree, Cerbera odollam, contains the cardiac toxin cerberin. Ingestion causes severe poisoning similar to digoxin overdose, with high mortality risk.
Area of Science:
- Toxicology
- Pharmacology
- Botany
Background:
- Cerbera odollam, known as the 'suicide tree', is a plant from the Apocynaceae family found in South India, Madagascar, and Southeast Asia.
- Its common names include Pong-Pong and Othalanga, and it is recognized for potent cardiotoxic effects.
- The plant's kernel contains the bioactive toxin cerberin, a cardiac glycoside.
Purpose of the Study:
- To detail the toxicological profile of Cerbera odollam.
- To describe the clinical manifestations and management of Cerbera odollam poisoning.
Main Methods:
- Literature review of Cerbera odollam toxicity.
- Comparison of cerberin's mechanism of action with digoxin.
Main Results:
- Cerberin, a cardenolide, acts similarly to digoxin, leading to poisoning resembling acute digoxin toxicity.
- Ingestion symptoms include nausea, vomiting, hyperkalemia, thrombocytopenia, and ECG abnormalities.
- High doses present a significant mortality risk.
Conclusions:
- Cerbera odollam poisoning requires immediate supportive care, atropine, and potentially a temporary pacemaker.
- Digoxin immune Fab may be considered for severe cases, though evidence is limited.
Related Concept Videos
Review and Preview
8.4K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
Percentiles are a type of fractile that partition data into...
8.4K
Review and Preview
11.6K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
11.6K
Toxic Reactions: Overview
2.1K
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,...
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,...
2.1K
Frequency-dependent Selection
24.2K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
24.2K
Predator-Prey Interactions
21.7K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
21.7K
Ethics in Research
25.8K
Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.
25.8K

