Related Experiment Video
Updated: Jul 6, 2026

Air-sampled Filter Analysis for Endotoxins and DNA Content
Published on: March 7, 2016
Health effects due to endotoxin inhalation (review)
V Liebers1, M Raulf-Heimsoth, T Brüning
1BGFA, Research Institute of Occupational Medicine, German Social Accident Insurance, Ruhr-University Bochum, Allergologie/Immunologie, Bürkle-de-la-Camp-Platz 1, Bochum, Germany. liebers@bgfa.de
Abstract:
Endotoxins are ubiquitous in the environment and represent important components of bioaerosols. High exposure occurs in rural environment and at several workplaces (e.g. waste collecting, textile industry etc.). Adverse effects on human health induced by inhalation of endotoxin are described in several studies. Up to now the endotoxin levels are mainly measured using the Limulus amoebocyte-lysate (LAL) assay. This assay is well established, but for a suitable characterization of bioaerosols more parameters are necessary. Additional information, e.g. concerning the pyrogenic activity of organic dust samples may be delivered by whole blood assay. Whereas on the one hand protection measures at workplaces are demanded to avoid lung function impairment due to endotoxin exposure, on the other hand a protective effect of exposure to microbial agents like endotoxins with regard to allergy development has been observed. On the cellular level toll-like receptor 4 (TLR4) and IL-1 receptor as well as surface molecules like CD14 have been shown to play a pivotal role in the endotoxin activation cascade. In this review we summarize the mechanism of endotoxin recognition and its manifold effects on human health.
Related Concept Videos
Inhalation Anthrax
Types of Toxins
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...
Toxic Reactions: Overview
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,...
Diphtheria
Bacterial Toxins
Toxicity Testing in Animals
