Related Experiment Video
Updated: Aug 7, 2026

Real-time Cytotoxicity Assays in Human Whole Blood
Published on: November 7, 2014
[The antimicrobial activity and cytotoxicity of anti-infective preparations in a human cell-culture model]
Abstract:
The complex evaluation of Polysept, a new antiseptic, by its antimicrobial activity with the determination of the minimal inhibiting concentration, its antiadhesive effect and its cytotoxic action with the determination of the minimal toxic dose is presented after preclinical trial, carried out on the culture of skin and lung fibroblasts of human embryo used as an experimental model. The presence of 50% human blood serum enhances the antimicrobial and antiadhesive effects and decreases the cytotoxic action of the antiseptic with respect to fibroblasts, which makes it a promising preparation not only for the treatment, but also for prophylaxis of wound infection.
Insights
Polysept, a novel antiseptic, demonstrates potent antimicrobial and antiadhesive effects, with reduced cytotoxicity in preclinical trials. Its efficacy is enhanced by human blood serum, positioning it as a promising wound infection prophylactic and treatment.
Area of Science:
- Microbiology
- Toxicology
- Cell Biology
Background:
- Antiseptics are crucial for wound management.
- Evaluating new antiseptics requires comprehensive preclinical assessment.
- Polysept is a novel antiseptic agent.
Purpose of the Study:
- To evaluate the antimicrobial activity, antiadhesive effect, and cytotoxic action of Polysept.
- To determine the minimal inhibiting concentration and minimal toxic dose of Polysept.
- To assess Polysept's efficacy in the presence of human blood serum.
Main Methods:
- Preclinical trial using human embryo skin and lung fibroblasts.
- Determination of minimal inhibiting concentration (MIC) for antimicrobial activity.
- Determination of minimal toxic dose (MTD) for cytotoxic action.
- Assessment of antiadhesive properties.
Main Results:
- Polysept exhibited significant antimicrobial and antiadhesive effects.
- The presence of 50% human blood serum enhanced Polysept's antimicrobial and antiadhesive properties.
- Human blood serum decreased the cytotoxic action of Polysept on fibroblasts.
- Minimal inhibiting concentration and minimal toxic dose were determined.
Conclusions:
- Polysept shows promising antimicrobial and antiadhesive potential.
- Human blood serum potentiates the beneficial effects of Polysept.
- Polysept is a viable candidate for wound infection treatment and prophylaxis.

