Pharmacological Approach to Sepsis and Septic Shock

A special issue of Biomolecules (ISSN 2218-273X).

Deadline for manuscript submissions: closed (28 February 2021) | Viewed by 4263

Special Issue Editor


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Guest Editor
Network Physiology Laboratory, UCL Division of Medicine, University College London, London, UK
Interests: sepsis; cirrhosis; multiorgan failure; bromination; halogenation; bromotyrosine; idodotyrosine; chlorotyrosine; D-serine; serine racemase

Special Issue Information

Dear Colleagues,

Sepsis is a major cause of health loss and mortality worldwide. This systemic illness is caused by a dysregulated host response to infection, which leads to progressive multiple organ dysfunction. Despite its high health-related burden, the pathophysiology of sepsis and multiple organ dysfunction is poorly understood. Early investigations focused on the mechanism of septic shock by looking into the molecular mechanisms involved in impaired vascular reactivity, endothelial function and coagulation. However, none of these ideas has resulted in the development of new treatments. The host response to infection is complex and engages different aspects of physiological control. Recent studies suggest that an interdisciplinary approach may pave the way for future advances in sepsis research. For example, there is evidence that neural stimulation may play a role in the modulation of the host response in sepsis. This suggests an exciting avenue for collaboration among physiologists, neuroscientists, biomedical engineers, immunologists, biophysicists, biochemists and pharmacologists to study this complex life-threatening illness.

This Special Issue intends to present original research articles and up-to-date reviews about the molecular aspects which lead to a better understating of the network of interactions in sepsis, septic shock and multiple organ dysfunction. We look forward to reading your contributions.

Dr. Alireza Mani
Guest Editor

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Keywords

  • Sepsis
  • septic shock
  • septicemia
  • multiple organ dysfunction syndrome
  • multiorgan failure

Published Papers (1 paper)

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Research

14 pages, 3191 KiB  
Article
A Novel Surface-Exposed Polypeptide Is Successfully Employed as a Target for Developing a Prototype One-Step Immunochromatographic Strip for Specific and Sensitive Direct Detection of Staphylococcus aureus Causing Neonatal Sepsis
by Sally A. Mohamed, Tamer M. Samir, Omneya M. Helmy, Noha M. Elhosseiny, Aliaa A. Ali, Amani A. El-Kholy and Ahmed S. Attia
Biomolecules 2020, 10(11), 1580; https://doi.org/10.3390/biom10111580 - 20 Nov 2020
Cited by 6 | Viewed by 3324
Abstract
Neonatal sepsis is a life-threatening condition and Staphylococcus aureus is one of its major causes. However, to date, no rapid and sensitive diagnostic tool has been developed for its direct detection. Bioinformatics analyses identified a surface-exposed 112-amino acid polypeptide of the cell wall [...] Read more.
Neonatal sepsis is a life-threatening condition and Staphylococcus aureus is one of its major causes. However, to date, no rapid and sensitive diagnostic tool has been developed for its direct detection. Bioinformatics analyses identified a surface-exposed 112-amino acid polypeptide of the cell wall protein NWMN_1649, a surface protein involved in cell aggregation and biofilm formation, as being a species-specific and highly conserved moiety. The polypeptide was cloned, purified, and used to immunize mice to raise specific immunoglobulins. The purified antibodies were conjugated to gold nano-particles and used to assemble an immunochromatographic strip (ICS). The developed prototype ICS detected as low as 5 µg purified polypeptide and 102 CFU/mL S. aureus within 15 min. The strip showed superior ability to directly detect S. aureus in neonatal sepsis blood specimens without prior sample processing. Moreover, it showed no cross-reaction in specimens infected with two other major causes of neonatal sepsis; coagulase-negative staphylococci and Klebsiella pneumoniae. The selected NWMN_1649-derived polypeptide demonstrates success as a promising biomolecule upon which a prototype ICS has been developed. This ICS provides a rapid, direct, sensitive, and specific option for the detection of S. aureus causing neonatal sepsis. Such a tool is urgently needed especially in resources-limited countries. Full article
(This article belongs to the Special Issue Pharmacological Approach to Sepsis and Septic Shock)
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