Bioinformatic design and optimization of inhibitory peptides for Tropomyosin receptor kinase B in U266 cell line

marzieh kafshdouziamin; H Rahimi; N Gheibi; M karimipour

Journal of Inflammatory Diseases

The Official Journal of Qazvin University of Medical Sciences

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Bioinformatic design and optimization of inhibitory peptides for Tropomyosin receptor kinase B in U266 cell line

Author(s):

marzieh kafshdouziamin¹,

H Rahimi²,

N Gheibi^,*,

M karimipour²

1Qazvin University

2pasteur institution

Journal of Inflammatory Diseases:Vol. 17, issue 5; 4-9

Published online:Feb 13, 2014

Article type:Research Article

How to Cite:kafshdouziamin M, Rahimi H, Gheibi N, karimipour M. Bioinformatic design and optimization of inhibitory peptides for Tropomyosin receptor kinase B in U266 cell line. J Inflamm Dis. 2024;17(5):e155776. doi:

Abstract

Background: Tropomyosin receptor kinase B (TRK B) is one of the oncogene agents. Objective: The aim of this study was to design and optimize inhibitory peptides for TRK B in U266 cell line . Methods: This study was conducted in Qazvin University of Medical Sciences during 2012. After generating the peptides library using sequence tolerance method and optimizing energy of peptides employing backrub protocol in Rosetta 3.3 software package, the most stable peptides were selected based on the energy scores in R package. Prediction of the three-dimensional structure of the peptides was performed using the molecular dynamic simulation . Peptides-TRK B docking was evaluated by HADDOCK web server . The most stable peptides were designed and their cytotoxicity effects on U266 cells were investigated by the MTT assay . Findings: The designed peptides were stable in terms of energy and structure and had high affinity for binding to TRK B . For measuring cell survival during 24 hours treatment of U266 cell line with these peptides, t he half maximal inhibitory concentration (IC50 % ) was obtained 350.2 and 199.5 nM for peptide one and two, respectively. Conclusion: With regards to the results, it seems that TRK B inhibition can block cancer growth in this cell line. Keywords: Brain-Derived Neurotrophic Factor, Tropomyosin Receptor Kinase B , Peptides, Oncogenes , Computer Simulation

Keywords

Brain-Derived Neurotrophic Factor

Tropomyosin Receptor Kinase B

Peptides

Oncogenes

Computer Simulation

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Author(s):

marzieh kafshdouziamin:[PubMed][Scholar]
H Rahimi:[PubMed][Scholar]
N Gheibi:[PubMed][Scholar]
M karimipour:[PubMed][Scholar]

The Official Journal of Qazvin University of Medical Sciences

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Bioinformatic design and optimization of inhibitory peptides for Tropomyosin receptor kinase B in U266 cell line

Abstract

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Last Update: 19 minutes ago