Article (Scientific journals)
N-myristoyltransferases inhibitory activity of ellagitannins from Terminalia bentzoe (L.) L. f. subsp. bentzoe.
Apel, Cecile; Bignon, Jerome; Garcia-Alvarez, Maria Concepcion et al.
2018In Fitoterapia, 131, p. 91-95
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Keywords :
Acyltransferases/antagonists & inhibitors; Cell Line, Tumor; France; Humans; Hydrolyzable Tannins/isolation & purification/pharmacology; Molecular Structure; Phytochemicals/isolation & purification/pharmacology; Plant Bark/chemistry; Plasmodium falciparum/drug effects; Reunion; Terminalia/chemistry; Combretaceae; Ellagitannins; Isoterchebulin; N-myristoyltransferase; Punicalagin; Terminalia bentzoe subsp. bentzoe
Abstract :
[en] N-myristoylation (Myr) is an eukaryotic N-terminal co- or post-translational protein modification in which the enzyme N-myristoyltransferase (NMT) transfers a fatty acid (C14:0) to the N-terminal glycine residues of several cellular key proteins. Depending on the cellular context, NMT may serve as a molecular target in anticancer or anti-infectious therapy, and drugs that inhibit this enzyme may be useful in the treatment of cancer or infectious diseases. As part of an on-going project to identify natural Homo sapiens N-myristoyltransferase 1 inhibitors (HsNMT1), two ellagitannins, punicalagin (1) and isoterchebulin (2), along with eschweilenol C (3) and ellagic acid (4) were isolated from the bark of Terminalia bentzoe (L.) L. f. subsp. bentzoe. Their structures were determined by means of spectroscopic analyses and comparison with literature data. Punicalagin (1) and isoterchebulin (2) showed significant inhibitory activity towards HsNMT1, and also against Plasmodium falciparum NMT (PfNMT) both in vitro and in cellulo, opening alternative paths for new NMT inhibitors development. This is the first report identifying natural products from a botanical source as inhibitors of HsNMT and PfNMT.
Disciplines :
Pharmacy, pharmacology & toxicology
Author, co-author :
Apel, Cecile
Bignon, Jerome
Garcia-Alvarez, Maria Concepcion
Ciccone, Sarah
Clerc, Patricia
Grondin, Isabelle
Girard-Valenciennes, Emmanuelle
Smadja, Jacqueline
Lopes, Philippe
Frederich, Michel  ;  Université de Liège - ULiège > Département de pharmacie > Pharmacognosie
Roussi, Fanny
Meinnel, Thierry
Giglione, Carmela
Litaudon, Marc
More authors (4 more) Less
Language :
English
Title :
N-myristoyltransferases inhibitory activity of ellagitannins from Terminalia bentzoe (L.) L. f. subsp. bentzoe.
Publication date :
2018
Journal title :
Fitoterapia
ISSN :
0367-326X
Publisher :
Elsevier, Netherlands
Volume :
131
Pages :
91-95
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright (c) 2018. Published by Elsevier B.V.
Available on ORBi :
since 16 January 2019

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