Insights from the Molecular Docking of Hydrolytic Products of Methyl Isocyanate (MIC) to Inhibition of Human Immune Proteins

Manish Kumar Tripathi, Mohammad Yasir, Vikram Singh Gurjar, Protiti Bose, Amit Dubey, Rahul Shrivastava

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

This study is an attempt to find the reason for immunological suppression in victims of Bhopal gas tragedy during 1984 against Mycobacterium tuberculosis (Mtb) infection. Here, we tried to understand this problem by studying interactions between immune proteins associated with susceptibility to tuberculosis and hydrolytic products of methyl isocyanate (MIC) released during the tragedy. The hydrolytic products of MIC i.e. dimethyl urea, trimethyl urea and trimethyl isocyanurate were docked to different human immune proteins against Mtb using AutoDock 4.0. Results shows that all hydrolytic products (dimethyl urea, trimethyl urea and trimethylisocyanurate) strongly inhibit to CD40 ligand, and their binding energies were found to be ΔG-3.51, -3.79, -4.55 (Kcal/mole), respectively. Further, to check the stability of docked complex, we performed the molecular dynamics simulation study which also shows that CD40 Ligand was maximally inhibited by trimethylisocyanurate and has a role in the macrophage activation for the destruction of M. tuberculosis. The present study may lead to better understanding of human immune protein inhibition by hydrolytic product of MIC.

Original languageEnglish
Pages (from-to)287-294
Number of pages8
JournalInterdisciplinary Sciences: Computational Life Sciences
Volume7
Issue number3
DOIs
StatePublished - 26 Sep 2015
Externally publishedYes

Keywords

  • Hydrolytic product
  • Immune suppression
  • Methyl isocyanate
  • Molecular docking
  • Mycobacterium tuberculosis

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