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Fighting against bacterial lipopolysaccharide-caused infections through molecular dynamics simulations: a review

Abstract: Lipopolysaccharide (LPS) is the primary component of the outer leaflet of Gram-negative bacterial outer membranes. LPS elicits an overwhelming immune response during infection, which can lead to life-threatening sepsis or septic shock for which no suitable treatment is available so far. As a result of the worldwide expanding multidrug-resistant bacteria, the occurrence and frequency of sepsis are expected to increase; thus, there is an urge to develop novel strategies for treating bacterial infections. In this regard, gaining an in-depth understanding about the ability of LPS to both stimulate the host immune system and interact with several molecules is crucial for fighting against LPS-caused infections and allowing for the rational design of novel antisepsis drugs, vaccines and LPS sequestration and detection methods. Molecular dynamics (MD) simulations, which are understood as being a computational microscope, have proven to be of significant value to understand LPS-related phenomena, driving and optimizing experimental research studies. In this work, a comprehensive review on the methods that can be combined with MD simulations, recently applied in LPS research, is provided. We focus especially on both enhanced sampling methods, which enable the exploration of more complex systems and access to larger time scales, and free energy calculation approaches. Thereby, apart from outlining several strategies for surmounting LPS-caused infections, this work reports the current state-of-the-art of the methods applied with MD simulations for moving a step forward in the development of such strategies.

 Autoría: González-Fernández C., Basauri A., Fallanza M., Bringas E., Oostenbrink C., Ortiz I.,

 Fuente: Journal of Chemical Information and Modeling, 2021, 61(10), 4839-4851

Editorial: American Chemical Society

 Fecha de publicación: 25/10/2021

Nº de páginas: 13

Tipo de publicación: Artículo de Revista

 DOI: 10.1021/acs.jcim.1c00613

ISSN: 1549-9596,1549-960X

Proyecto español: RTI2018-093310-B-I00

Url de la publicación: https://doi.org/10.1021/acs.jcim.1c00613