Position of lipidation influences anticancer activity of Smac analogs.
Anticancer agents
Apoptosis
Inhibitor of menin–MLL1 protein interactions
Lipid-conjugated peptides
S-alkylation of peptides
Smac mimetics
Journal
Bioorganic & medicinal chemistry letters
ISSN: 1464-3405
Titre abrégé: Bioorg Med Chem Lett
Pays: England
ID NLM: 9107377
Informations de publication
Date de publication:
01 07 2019
01 07 2019
Historique:
received:
11
03
2019
revised:
25
04
2019
accepted:
25
04
2019
pubmed:
3
5
2019
medline:
10
9
2020
entrez:
4
5
2019
Statut:
ppublish
Résumé
A small group of lipid-conjugated Smac mimetics was synthesized to probe the influence of the position of lipidation on overall anti-cancer activity. Specifically, new compounds were modified with lipid(s) in position 3 and C-terminus. Previously described position 2 lipidated analog M11 was also synthesized. The resulting mini library of Smacs lipidated in positions 2, 3 and C-terminus was screened extensively in vitro against a total number of 50 diverse cancer cell lines revealing that both the position of lipidation as well as the type of lipid, influence their anti-cancer activity and cancer type specificity. Moreover, when used in combination therapy with inhibitor of menin-MLL1 protein interactions, position 2 modified analog SM2 showed strong synergistic anti-cancer properties. The most promising lipid-conjugated analogs SM2 and SM6, showed favorable pharmacokinetics and in vivo activity while administered subcutaneously in the preclinical mouse model. Collectively, our findings suggest that lipid modification of Smacs may be a viable approach in the development of anti-cancer therapeutic leads.
Identifiants
pubmed: 31047753
pii: S0960-894X(19)30274-4
doi: 10.1016/j.bmcl.2019.04.041
pmc: PMC6625762
mid: NIHMS1528176
pii:
doi:
Substances chimiques
Antineoplastic Agents
0
Apoptosis Regulatory Proteins
0
DIABLO protein, human
0
Mitochondrial Proteins
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1628-1635Subventions
Organisme : NIAID NIH HHS
ID : U19 AI067769
Pays : United States
Informations de copyright
Copyright © 2019 Elsevier Ltd. All rights reserved.
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