Results 31 to 40 of about 7,439 (222)

Total Syntheses of Cathepsin D Inhibitory Izenamides A, B, and C and Structural Confirmation of Izenamide B

open access: yesMolecules, 2019
The first total syntheses of izenamides A, B, and C, which are depsipeptides inhibitor of cathepsin D, were accomplished. In addition, the stereochemistry of izenamide B was confirmed by our syntheses.
Changjin Lim
doaj   +1 more source

A New Depsipeptide Antibiotic, Variapeptin [PDF]

open access: yesAgricultural and Biological Chemistry, 1990
A culture similar to Streptomyces variabilis was found to produce a novel cyclic hexadepsipeptide antibiotic named variapeptin. Variapeptin is structurally related to azinothricin, A83586C, and citropeptin. The antibiotic was active against Gram-positive bacteria and showed cytotoxic activity against mammalian cells.
NAKAGAWA, Masaya   +3 more
openaire   +3 more sources

On-resin multicomponent 1,3-dipolar cycloaddition of cyclopentanone–proline enamines and sulfonylazides as an efficient tool for the synthesis of amidino depsipeptide mimics [PDF]

open access: yes, 2020
Depsipeptides are biologically active peptide derivatives that possess a high therapeutic interest. The development of depsipeptide mimics characterized by a chemical diversity could lead to compounds with enhanced features and activity. In this work, an
Pieraccini, Stefano   +7 more
core   +1 more source

Biosynthetic Modularity Rules in the Bisintercalator Family of Antitumor Compounds

open access: yesMarine Drugs, 2014
Diverse actinomycetes produce a family of structurally and biosynthetically related non-ribosomal peptide compounds which belong to the chromodepsipeptide family. These compounds act as bisintercalators into the DNA helix.
Javier Fernández   +7 more
doaj   +1 more source

Chemical Classification of Cyclic Depsipeptides

open access: yesCurrent Protein & Peptide Science, 2017
Cyclic depsipeptides (CDPs) are a family of cyclic peptide-related compounds, of which the ring is mainly composed of amino- and hydroxy acid residues joined by amide and ester bonds (at least one), leading to a wide diversity of fascinating chemical structures. They differ in both their ring structure and their side chains, especially by the nature of
Taevernier, Lien   +3 more
openaire   +3 more sources

Bouillonamide: A Mixed Polyketide–Peptide Cytotoxin from the Marine Cyanobacterium Moorea bouillonii

open access: yesMarine Drugs, 2013
The tropical marine cyanobacterium, Moorea bouillonii, has gained recent attention as a rich source of bioactive natural products. Continued chemical investigation of this cyanobacterium, collected from New Britain, Papua New Guinea, yielded a novel ...
Lik Tong Tan   +2 more
doaj   +1 more source

Depsipeptide inhibits removal of incorporated 5-aza-CdR from DNA.

open access: yes, 2013
(A) H719 cells were incubated with [3H]-5-aza-CdR for 48 hrs, with presence or absence of depsipeptide at 0.1 µM for the first 6 hrs (depsipeptide+[3H]-5-aza-CdR) or last 6 hrs ([3H]-5-aza-CdR+depsipeptide) and then washed with cold PBS.
Donglai Wang (49052)   +15 more
core   +1 more source

Total synthesis and biological evaluation of fluorinated cryptophycins

open access: yesBeilstein Journal of Organic Chemistry, 2012
Cryptophycins are cytotoxic natural products that exhibit considerable activities even against multi-drug-resistant tumor cell lines. As fluorinated pharmaceuticals have become more and more important during the past decades, fluorine-functionalized ...
Christine Weiß   +3 more
doaj   +1 more source

The HDAC inhibitor depsipeptide transactivates the p53/p21 pathway by inducing DNA damage

open access: yes, 2012
Histone deacetylase (HDAC) inhibitors have been proven to be effective therapeutic agents to kill cancer cells through inhibiting HDAC activity or altering the structure of chromatin.
Bo Tu   +13 more
core   +1 more source

Enhancement of depsipeptide-mediated apoptosis of lung or esophageal cancer cells by flavopiridol: Activation of the mitochondria-dependent death-signaling pathway [PDF]

open access: yes, 2003
Objective: Treating cancer cells with depsipeptide, a novel antitumor agent currently in a phase II clinical trial, causes potent upregulation of p21/WAF1 expression and cell arrest at G1 and G2 checkpoints.
Steiner, Federico   +11 more
core   +1 more source

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