The Use of Triphenyl Phosphonium Cation Enhances the Mitochondrial Antiplatelet Effect of the Compound Magnolol

Although platelets are anucleated cells, they have fully functional mitochondria, and currently, it is known that several processes that occur in the platelet require the action of mitochondria. There are plenty of mitochondrial-targeted compounds described in the literature related to cancer, howev...

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Main Authors: Francisca Tellería, Santiago Mansilla, Diego Méndez, Magdalena Sepúlveda, Ramiro Araya-Maturana, Laura Castro, Andrés Trostchansky, Eduardo Fuentes
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:Pharmaceuticals
Subjects:
Online Access:https://www.mdpi.com/1424-8247/16/2/210
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author Francisca Tellería
Santiago Mansilla
Diego Méndez
Magdalena Sepúlveda
Ramiro Araya-Maturana
Laura Castro
Andrés Trostchansky
Eduardo Fuentes
author_facet Francisca Tellería
Santiago Mansilla
Diego Méndez
Magdalena Sepúlveda
Ramiro Araya-Maturana
Laura Castro
Andrés Trostchansky
Eduardo Fuentes
author_sort Francisca Tellería
collection DOAJ
description Although platelets are anucleated cells, they have fully functional mitochondria, and currently, it is known that several processes that occur in the platelet require the action of mitochondria. There are plenty of mitochondrial-targeted compounds described in the literature related to cancer, however, only a small number of studies have approached their interaction with platelet mitochondria and/or their effects on platelet activity. Recent studies have shown that magnolia extract and mitochondria-targeted magnolol can inhibit mitochondrial respiration and cell proliferation in melanoma and oral cancer cells, respectively, and they can also induce ROS and mitophagy. In this study, the effect of triphenylphosphonium cation, linked by alkyl chains of different lengths, to the organic compound magnolol on human-washed platelets was evaluated. We demonstrated that the addition of triphenylphosphonium by a four-carbon linker to magnolol (MGN4) considerably enhanced the Magnolol antiplatelet effect by a 3-fold decrease in the IC<sub>50</sub>. Additionally, platelets exposed to MGN4 5 µM showed several differences from the control including increased basal respiration, collagen-induced respiration, ATP-independent respiration, and reduced ATP-dependent respiration and non-mitochondrial respiration.
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spelling doaj.art-5d2c727e03d94c37b3958964edd70bfb2023-11-16T22:36:31ZengMDPI AGPharmaceuticals1424-82472023-01-0116221010.3390/ph16020210The Use of Triphenyl Phosphonium Cation Enhances the Mitochondrial Antiplatelet Effect of the Compound MagnololFrancisca Tellería0Santiago Mansilla1Diego Méndez2Magdalena Sepúlveda3Ramiro Araya-Maturana4Laura Castro5Andrés Trostchansky6Eduardo Fuentes7MIBI: Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics, Department of Clinical Biochemistry and Immunohematology, Thrombosis Research Center, Medical Technology School, Faculty of Health Sciences, Universidad de Talca, Talca 3480094, ChileDepartamento de Métodos Cuantitativos and Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo 11800, UruguayMIBI: Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics, Department of Clinical Biochemistry and Immunohematology, Thrombosis Research Center, Medical Technology School, Faculty of Health Sciences, Universidad de Talca, Talca 3480094, ChileMIBI: Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics, Department of Clinical Biochemistry and Immunohematology, Thrombosis Research Center, Medical Technology School, Faculty of Health Sciences, Universidad de Talca, Talca 3480094, ChileMIBI: Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics, Instituto de Química de Recursos Naturales, Universidad de Talca, Talca 3460000, ChileDepartamento de Bioquímica and Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo 11800, UruguayDepartamento de Bioquímica and Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo 11800, UruguayMIBI: Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics, Department of Clinical Biochemistry and Immunohematology, Thrombosis Research Center, Medical Technology School, Faculty of Health Sciences, Universidad de Talca, Talca 3480094, ChileAlthough platelets are anucleated cells, they have fully functional mitochondria, and currently, it is known that several processes that occur in the platelet require the action of mitochondria. There are plenty of mitochondrial-targeted compounds described in the literature related to cancer, however, only a small number of studies have approached their interaction with platelet mitochondria and/or their effects on platelet activity. Recent studies have shown that magnolia extract and mitochondria-targeted magnolol can inhibit mitochondrial respiration and cell proliferation in melanoma and oral cancer cells, respectively, and they can also induce ROS and mitophagy. In this study, the effect of triphenylphosphonium cation, linked by alkyl chains of different lengths, to the organic compound magnolol on human-washed platelets was evaluated. We demonstrated that the addition of triphenylphosphonium by a four-carbon linker to magnolol (MGN4) considerably enhanced the Magnolol antiplatelet effect by a 3-fold decrease in the IC<sub>50</sub>. Additionally, platelets exposed to MGN4 5 µM showed several differences from the control including increased basal respiration, collagen-induced respiration, ATP-independent respiration, and reduced ATP-dependent respiration and non-mitochondrial respiration.https://www.mdpi.com/1424-8247/16/2/210plateletmitochondriamagnololtriphenylphosphoniumrespiration
spellingShingle Francisca Tellería
Santiago Mansilla
Diego Méndez
Magdalena Sepúlveda
Ramiro Araya-Maturana
Laura Castro
Andrés Trostchansky
Eduardo Fuentes
The Use of Triphenyl Phosphonium Cation Enhances the Mitochondrial Antiplatelet Effect of the Compound Magnolol
Pharmaceuticals
platelet
mitochondria
magnolol
triphenylphosphonium
respiration
title The Use of Triphenyl Phosphonium Cation Enhances the Mitochondrial Antiplatelet Effect of the Compound Magnolol
title_full The Use of Triphenyl Phosphonium Cation Enhances the Mitochondrial Antiplatelet Effect of the Compound Magnolol
title_fullStr The Use of Triphenyl Phosphonium Cation Enhances the Mitochondrial Antiplatelet Effect of the Compound Magnolol
title_full_unstemmed The Use of Triphenyl Phosphonium Cation Enhances the Mitochondrial Antiplatelet Effect of the Compound Magnolol
title_short The Use of Triphenyl Phosphonium Cation Enhances the Mitochondrial Antiplatelet Effect of the Compound Magnolol
title_sort use of triphenyl phosphonium cation enhances the mitochondrial antiplatelet effect of the compound magnolol
topic platelet
mitochondria
magnolol
triphenylphosphonium
respiration
url https://www.mdpi.com/1424-8247/16/2/210
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