Phenothiazines Modified with the Pyridine Ring as Promising Anticancer Agents

Azaphenothiazines are the largest and most perspective group of modified phenothiazines, and they exhibit variety of biological activities. The review sums up the current knowledge on the anticancer activity of isomeric pyridobenzothiazines and dipyridothiazines, which are modified azaphenothiazines...

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Main Authors: Beata Morak-Młodawska, Małgorzata Jeleń, Krystian Pluta
Format: Article
Language:English
Published: MDPI AG 2021-03-01
Series:Life
Subjects:
Online Access:https://www.mdpi.com/2075-1729/11/3/206
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author Beata Morak-Młodawska
Małgorzata Jeleń
Krystian Pluta
author_facet Beata Morak-Młodawska
Małgorzata Jeleń
Krystian Pluta
author_sort Beata Morak-Młodawska
collection DOAJ
description Azaphenothiazines are the largest and most perspective group of modified phenothiazines, and they exhibit variety of biological activities. The review sums up the current knowledge on the anticancer activity of isomeric pyridobenzothiazines and dipyridothiazines, which are modified azaphenothiazines with one and two pyridine rings, respectively, against 10 types of cancer cell lines. Some 10-substituted dipyridothiazines and even 10-unsubstituted parent compounds, such as 10<i>H</i>-1,9-diazaphenothiazine and 10<i>H</i>-3,6-diazaphenothiazine, exhibited very potent action with the IC<sub>50</sub> values less than 1 µg/mL and 1 µM against selected cancer cell lines. The strength of the anticancer action depends both on the tricyclic ring scaffolds and the substituents at the thiazine nitrogen atom. The review discusses the kind of the substituents, nature of tricyclic ring scaffolds with the location of the azine nitrogen atoms, the types of the cancer cell lines, and the mechanism of action.
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spelling doaj.art-7d2695b638ce4ee1ae2d7479d51bad192023-12-03T12:43:14ZengMDPI AGLife2075-17292021-03-0111320610.3390/life11030206Phenothiazines Modified with the Pyridine Ring as Promising Anticancer AgentsBeata Morak-Młodawska0Małgorzata Jeleń1Krystian Pluta2Department of Organic Chemistry, Faculty of Pharmaceutical Sciences, The Medical University of Silesia, Jagiellońska 4, 41-200 Sosnowiec, PolandDepartment of Organic Chemistry, Faculty of Pharmaceutical Sciences, The Medical University of Silesia, Jagiellońska 4, 41-200 Sosnowiec, PolandDepartment of Organic Chemistry, Faculty of Pharmaceutical Sciences, The Medical University of Silesia, Jagiellońska 4, 41-200 Sosnowiec, PolandAzaphenothiazines are the largest and most perspective group of modified phenothiazines, and they exhibit variety of biological activities. The review sums up the current knowledge on the anticancer activity of isomeric pyridobenzothiazines and dipyridothiazines, which are modified azaphenothiazines with one and two pyridine rings, respectively, against 10 types of cancer cell lines. Some 10-substituted dipyridothiazines and even 10-unsubstituted parent compounds, such as 10<i>H</i>-1,9-diazaphenothiazine and 10<i>H</i>-3,6-diazaphenothiazine, exhibited very potent action with the IC<sub>50</sub> values less than 1 µg/mL and 1 µM against selected cancer cell lines. The strength of the anticancer action depends both on the tricyclic ring scaffolds and the substituents at the thiazine nitrogen atom. The review discusses the kind of the substituents, nature of tricyclic ring scaffolds with the location of the azine nitrogen atoms, the types of the cancer cell lines, and the mechanism of action.https://www.mdpi.com/2075-1729/11/3/206pirydobenzothiazinesdipyridothiazinesanticancer agentsgens analysisapoptosis
spellingShingle Beata Morak-Młodawska
Małgorzata Jeleń
Krystian Pluta
Phenothiazines Modified with the Pyridine Ring as Promising Anticancer Agents
Life
pirydobenzothiazines
dipyridothiazines
anticancer agents
gens analysis
apoptosis
title Phenothiazines Modified with the Pyridine Ring as Promising Anticancer Agents
title_full Phenothiazines Modified with the Pyridine Ring as Promising Anticancer Agents
title_fullStr Phenothiazines Modified with the Pyridine Ring as Promising Anticancer Agents
title_full_unstemmed Phenothiazines Modified with the Pyridine Ring as Promising Anticancer Agents
title_short Phenothiazines Modified with the Pyridine Ring as Promising Anticancer Agents
title_sort phenothiazines modified with the pyridine ring as promising anticancer agents
topic pirydobenzothiazines
dipyridothiazines
anticancer agents
gens analysis
apoptosis
url https://www.mdpi.com/2075-1729/11/3/206
work_keys_str_mv AT beatamorakmłodawska phenothiazinesmodifiedwiththepyridineringaspromisinganticanceragents
AT małgorzatajelen phenothiazinesmodifiedwiththepyridineringaspromisinganticanceragents
AT krystianpluta phenothiazinesmodifiedwiththepyridineringaspromisinganticanceragents