DOI: 10.21276/ajptr
Fri, 24 May 2019

In vitro Applications of In Silico Designed Antibiofilm Agents for Staphylococcus epidermidis

Aymen F. Al-Mulla1, Zahra M. Al-Khafaji1

1. Institute of Genetic Engineering and Biotechnology for Postgraduate Studies / Univ. of Baghdad, IRAQ.



In recent years anti-virulence agents have been used widely to reduce bacterial resistance and prevent damage to host cells and normal flora.  Six  molecules were used in this study (according to previous in silico studies) to detect their antibiofilm activity in lab. Four molecules gave positive results and were as follows : Acetaminophen inhibited biofilm production 100% at 11000µg/ml concentration, Acetylsalicylic Acid inhibition was 100% at 1600µg/ml , Ibuprofen inhibited 35% of biofilm production at 600µg/ml and Acetic Acid inhibition was 25% at 1000 µg/ml concentration .All the molecules at the used concentrations were found to affect biofilm production without significant change in bacterial growth. It was concluded that a structure based drug design strategy using Ligand Based Virtual Screening had a success score of about 60% and that Acetaminophen, Acetylsalicylic Acid, Ibuprofen and Acetic Acid can be used as antibiofilm molecules . Also Non-Steroidal Anti-Inflammatory Drugs family can be a useful library for antibiofilm future investigations.

Keywords: Drug design, antibiofilm, S. epidermidis, biofilm, acetaminophen, acetic acid, acetylsalicylic acid, ibuprofen.


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