1
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Kirsanov R, Khailova LS, Rokitskaya TI, Lyamzaev KG, Panteleeva AA, Nazarov PA, Firsov AM, Iaubasarova IR, Korshunova GA, Kotova EA, Antonenko YN. Synthesis of Triphenylphosphonium-Linked Derivative of 3,5-Di tert-butyl-4-hydroxybenzylidene-malononitrile (SF6847) via Knoevenagel Reaction Yields an Effective Mitochondria-Targeted Protonophoric Uncoupler. ACS OMEGA 2024; 9:11551-11561. [PMID: 38496966 PMCID: PMC10938414 DOI: 10.1021/acsomega.3c08621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 02/07/2024] [Accepted: 02/14/2024] [Indexed: 03/19/2024]
Abstract
Mitochondrial uncouplers are actively sought as potential therapeutics. Here, we report the first successful synthesis of mitochondria-targeted derivatives of the highly potent uncoupler 3,5-ditert-butyl-4-hydroxybenzylidene-malononitrile (SF6847), bearing a cationic alkyl(triphenyl)phosphonium (TPP) group. As a key step of the synthesis, we used condensation of a ketophenol with malononitrile via the Knoevenagel reaction. SF-C5-TPP with a pentamethylene linker between SF6847 and TPP, stimulating respiration and collapsing membrane potential of rat liver mitochondria at submicromolar concentrations, proved to be the most effective uncoupler of the series. SF-C5-TPP showed pronounced protonophoric activity on a model planar bilayer lipid membrane. Importantly, SF-C5-TPP exhibited rather low toxicity in fibroblast cell culture, causing mitochondrial depolarization in cells at concentrations that only slightly affected cell viability. SF-C5-TPP was more effective in decreasing the mitochondrial membrane potential in the cell culture than SF6847, in contrast to the case of isolated mitochondria. Like other zwitterionic uncouplers, SF-C5-TPP inhibited the growth of Bacillus subtilis in the micromolar concentration range.
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Affiliation(s)
- Roman
S. Kirsanov
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
| | - Ljudmila S. Khailova
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
| | - Tatyana I. Rokitskaya
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
| | - Konstantin G. Lyamzaev
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
- The
“Russian Clinical Research Center for Gerontology” of
the Ministry of Healthcare of the Russian Federation, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Alisa A. Panteleeva
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
| | - Pavel A. Nazarov
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
| | - Alexander M. Firsov
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
| | - Iliuza R. Iaubasarova
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
| | - Galina A. Korshunova
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
| | - Elena A. Kotova
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
| | - Yuri N. Antonenko
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, 119991 Moscow, Russia
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2
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Kirsanov RS, Khailova LS, Rokitskaya TI, Iaubasarova IR, Nazarov PA, Panteleeva AA, Lyamzaev KG, Popova LB, Korshunova GA, Kotova EA, Antonenko YN. Ester-stabilized phosphorus ylides as protonophores on bilayer lipid membranes, mitochondria and chloroplasts. Bioelectrochemistry 2023; 150:108369. [PMID: 36638678 DOI: 10.1016/j.bioelechem.2023.108369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/19/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023]
Abstract
Triphenylphosphonium ylides are commonly used as key intermediates in the Wittig reaction. Based on the known acidities of stabilized ylide precursors, we proposed that a methylene group adjacent to phosphorus in these compounds can ensure proton shuttling across lipid membranes. Here, we synthesized (decyloxycarbonylmethyl)triphenylphosphonium bromide (CMTPP-C10) by reaction of triphenylphosphine with decyl bromoacetate. This phosphonium salt precursor of the ester-stabilized phosphorus ylide along with its octyl (CMTPP-C8) and dodecyl (CMTPP-C12) analogues was found to be a carrier of protons in mitochondrial, chloroplast and artificial lipid membranes, suggesting that it can reversibly release hydrogen ions and diffuse through the membranes in both zwitterionic (ylide) and cationic forms. The CMTPP-C10-mediated electrical current across planar bilayer lipid membranes exhibited pronounced proton selectivity. Similar to conventional protonophores, known to uncouple electron transport and ATP synthesis, CMTPP-Cn (n = 8, 10, 12) stimulated mitochondrial respiration, while decreasing membrane potential, at micromolar concentrations, thereby showing the classical uncoupling activity in mitochondria. CMTPP-C12 also caused dissipation of transmembrane pH gradient on chloroplast membranes. Importantly, CMTPP-C10 exhibited substantially lower toxicity in cell culture, than C12TPP. Thus, we report the finding of a new class of ylide-type protonophores, which is of substantial interest due to promising therapeutic properties of uncouplers.
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Affiliation(s)
- Roman S Kirsanov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Ljudmila S Khailova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Tatyana I Rokitskaya
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Iliuza R Iaubasarova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia; Faculty of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1/3, Moscow 119991, Russia
| | - Pavel A Nazarov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Alisa A Panteleeva
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Konstantin G Lyamzaev
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia; The "Russian Clinical Research Center for Gerontology" of the Ministry of Healthcare of the Russian Federation, Pirogov Russian National Research Medical University, Moscow, Russia
| | - Lyudmila B Popova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Galina A Korshunova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Elena A Kotova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Yuri N Antonenko
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia.
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3
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Terekhova N, Khailova LS, Rokitskaya TI, Nazarov PA, Islamov DR, Usachev KS, Tatarinov DA, Mironov VF, Kotova EA, Antonenko YN. Trialkyl(vinyl)phosphonium Chlorophenol Derivatives as Potent Mitochondrial Uncouplers and Antibacterial Agents. ACS OMEGA 2021; 6:20676-20685. [PMID: 34396013 PMCID: PMC8359139 DOI: 10.1021/acsomega.1c02909] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 07/19/2021] [Indexed: 05/08/2023]
Abstract
Trialkyl phosphonium derivatives of vinyl-substituted p-chlorophenol were synthesized here by a recently developed method of preparing quaternary phosphonium salts from phosphine oxides using Grignard reagents. All the derivatives with a number (n) of carbon atoms in phosphonium alkyl substituents varying from 4 to 7 showed pronounced uncoupling activity in isolated rat liver mitochondria at micromolar concentrations, with a tripentyl derivative being the most effective both in accelerating respiration and causing membrane potential collapse, as well as in provoking mitochondrial swelling in a potassium-acetate medium. Remarkably, the trialkyl phosphonium derivatives with n from 4 to 7 also proved to be rather potent antibacterial agents. Methylation of the chlorophenol hydroxyl group suppressed the effects of P555 and P444 on the respiration and membrane potential of mitochondria but not those of P666, thereby suggesting a mechanistic difference in the mitochondrial uncoupling by these derivatives, which was predominantly protonophoric (carrier-like) in the case of P555 and P444 but detergent-like with P666. The latter was confirmed by the carboxyfluorescein leakage assay on model liposomal membranes.
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Affiliation(s)
- Natalia
V. Terekhova
- Arbuzov
Institute of Organic and Physical Chemistry, FRC Kazan Scientific
Center of Russian Academy of Sciences, Arbuzov Str. 8, Kazan 420088, Russian Federation
| | - Lyudmila S. Khailova
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, Leninskie Gory 1, Moscow 119991, Russian Federation
| | - Tatyana I. Rokitskaya
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, Leninskie Gory 1, Moscow 119991, Russian Federation
| | - Pavel A. Nazarov
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, Leninskie Gory 1, Moscow 119991, Russian Federation
| | - Daut R. Islamov
- Arbuzov
Institute of Organic and Physical Chemistry, FRC Kazan Scientific
Center of Russian Academy of Sciences, Arbuzov Str. 8, Kazan 420088, Russian Federation
| | - Konstantin S. Usachev
- Institute
of Fundamental Medicine and Biology, Kazan
Federal University, Kremlevskaya 18, Kazan 420008, Russian Federation
| | - Dmitry A. Tatarinov
- Arbuzov
Institute of Organic and Physical Chemistry, FRC Kazan Scientific
Center of Russian Academy of Sciences, Arbuzov Str. 8, Kazan 420088, Russian Federation
| | - Vladimir F. Mironov
- Arbuzov
Institute of Organic and Physical Chemistry, FRC Kazan Scientific
Center of Russian Academy of Sciences, Arbuzov Str. 8, Kazan 420088, Russian Federation
| | - Elena A. Kotova
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, Leninskie Gory 1, Moscow 119991, Russian Federation
| | - Yuri N. Antonenko
- Belozersky
Institute of Physico-Chemical Biology, Lomonosov
Moscow State University, Leninskie Gory 1, Moscow 119991, Russian Federation
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4
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Iaubasarova IR, Khailova LS, Nazarov PA, Rokitskaya TI, Silachev DN, Danilina TI, Plotnikov EY, Denisov SS, Kirsanov RS, Korshunova GA, Kotova EA, Zorov DB, Antonenko YN. Linking 7-Nitrobenzo-2-oxa-1,3-diazole (NBD) to Triphenylphosphonium Yields Mitochondria-Targeted Protonophore and Antibacterial Agent. BIOCHEMISTRY (MOSCOW) 2021; 85:1578-1590. [PMID: 33705296 DOI: 10.1134/s000629792012010x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Appending lipophilic cations to small molecules has been widely used to produce mitochondria-targeted compounds with specific activities. In this work, we obtained a series of derivatives of the well-known fluorescent dye 7-nitrobenzo-2-oxa-1,3-diazole (NBD). According to the previous data [Denisov et al. (2014) Bioelectrochemistry, 98, 30-38], alkyl derivatives of NBD can uncouple isolated mitochondria at concentration of tens of micromoles despite a high pKa value (~11) of the dissociating group. Here, a number of triphenylphosphonium (TPP) derivatives linked to NBD via hydrocarbon spacers of varying length (C5, C8, C10, and C12) were synthesized (mitoNBD analogues), which accumulated in the mitochondria in an energy-dependent manner. NBD-C10-TPP (C10-mitoNBD) acted as a protonophore in artificial lipid membranes (liposomes) and uncoupled isolated mitochondria at micromolar concentrations, while the derivative with a shorter linker (NBD-C5-TPP, or C5-mitoNBD) exhibited no such activities. In accordance with this data, C10-mitoNBD was significantly more efficient than C5-mitoNBD in suppressing the growth of Bacillus subtilis. C10-mitoNBD and C12-mitoNBD demonstrated the highest antibacterial activity among the investigated analogues. C10-mitoNBD also exhibited the neuroprotective effect in the rat model of traumatic brain injury.
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Affiliation(s)
- I R Iaubasarova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia.,Faculty of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - L S Khailova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - P A Nazarov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - T I Rokitskaya
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - D N Silachev
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - T I Danilina
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - E Y Plotnikov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - S S Denisov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia.,Department of Biochemistry, University of Maastricht, Cardiovascular Research Institute Maastricht, Maastricht, 6229 ER, The Netherlands
| | - R S Kirsanov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - G A Korshunova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - E A Kotova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - D B Zorov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Y N Antonenko
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia.
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5
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Iaubasarova IR, Khailova LS, Firsov AM, Grivennikova VG, Kirsanov RS, Korshunova GA, Kotova EA, Antonenko YN. The mitochondria-targeted derivative of the classical uncoupler of oxidative phosphorylation carbonyl cyanide m-chlorophenylhydrazone is an effective mitochondrial recoupler. PLoS One 2020; 15:e0244499. [PMID: 33378414 PMCID: PMC7773232 DOI: 10.1371/journal.pone.0244499] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 12/10/2020] [Indexed: 12/11/2022] Open
Abstract
The synthesis of a mitochondria-targeted derivative of the classical mitochondrial uncoupler carbonyl cyanide-m-chlorophenylhydrazone (CCCP) by alkoxy substitution of CCCP with n-decyl(triphenyl)phosphonium cation yielded mitoCCCP, which was able to inhibit the uncoupling action of CCCP, tyrphostin A9 and niclosamide on rat liver mitochondria, but not that of 2,4-dinitrophenol, at a concentration of 1–2 μM. MitoCCCP did not uncouple mitochondria by itself at these concentrations, although it exhibited uncoupling action at tens of micromolar concentrations. Thus, mitoCCCP appeared to be a more effective mitochondrial recoupler than 6-ketocholestanol. Both mitoCCCP and 6-ketocholestanol did not inhibit the protonophoric activity of CCCP in artificial bilayer lipid membranes, which might compromise the simple proton-shuttling mechanism of the uncoupling activity on mitochondria.
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Affiliation(s)
- Iliuza R. Iaubasarova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- Faculty of Chemistry, Lomonosov Moscow State University, Moscow, Russia
| | - Ljudmila S. Khailova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Alexander M. Firsov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | | | - Roman S. Kirsanov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Galina A. Korshunova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Elena A. Kotova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Yuri N. Antonenko
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
- * E-mail:
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6
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Wang J, Li J, Xiao Y, Fu B, Qin Z. TPP-based mitocans: a potent strategy for anticancer drug design. RSC Med Chem 2020; 11:858-875. [PMID: 33479681 DOI: 10.1039/c9md00572b] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 05/11/2020] [Indexed: 12/24/2022] Open
Abstract
Cancer is one of the most important problems that endanger human health. The number of cancer patients is increasing rapidly worldwide. Compared with normal cells, cancer cells exhibit abnormal metabolism (abnormal glycolysis and oxidative phosphorylation, high levels of reactive oxygen species, anti-apoptosis, high mitochondrial membrane potential, and so on), and specific targeting of these metabolic abnormalities would be a promising drug design direction. These physiological characteristics are closely related to tumorigenesis and development, which are mainly regulated by mitochondria. Therefore, mitochondria have become important anticancer drug targets, attracting much attention in recent years. In this review, we systematically summarize various mitochondrial anticancer drugs developed, especially mitocans based on triphenylphosphonium (TPP), and discuss the advantages of TPP in endowing mitochondrial targeting function.
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Affiliation(s)
- Jiayao Wang
- College of science , China Agriculture University , Haidian District 100089 , China . ; Tel: +86 130 0199 1198
| | - Jiaqi Li
- College of science , China Agriculture University , Haidian District 100089 , China . ; Tel: +86 130 0199 1198
| | - Yumei Xiao
- College of science , China Agriculture University , Haidian District 100089 , China . ; Tel: +86 130 0199 1198
| | - Bin Fu
- College of science , China Agriculture University , Haidian District 100089 , China . ; Tel: +86 130 0199 1198
| | - Zhaohai Qin
- College of science , China Agriculture University , Haidian District 100089 , China . ; Tel: +86 130 0199 1198
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7
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Rokitskaya TI, Terekhova NV, Khailova LS, Kotova EA, Plotnikov EY, Zorov DB, Tatarinov DA, Antonenko YN. Zwitterionic Protonophore Derived from 2-(2-Hydroxyaryl)alkenylphosphonium as an Uncoupler of Oxidative Phosphorylation. Bioconjug Chem 2019; 30:2435-2443. [PMID: 31374173 DOI: 10.1021/acs.bioconjchem.9b00516] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
2-(2-Hydroxyaryl)alkenylphosphonium salts (here coined as PPR) representing derivatives of quaternary phosphonium with two phenyl (P) and one alkyl (R) substituents linked through alkenyl bridge to substituted phenol were applied here to planar bilayer lipid membranes (BLM), isolated mitochondria, and cell culture. PPR with six carbon atoms in R (PP6) induced proton-selective currents across BLM and caused mitochondrial uncoupling. In particular, PP6 at submicromolar concentrations accelerated respiration, decreased membrane potential, and reduced ATP synthesis in isolated rat liver mitochondria (RLM). Methylation of a hydroxyl group substantially suppressed the protonophoric activity of PP6 on BLM and its uncoupling potency in RLM. Of note, the methylated derivative PP6-OMe was synthesized here via a new synthetic route including cyclization of PP6 with subsequent ring opening. PPR were considered as protonophoric uncouplers of a zwitterionic type, capable of penetrating membranes both as a zwitterion composed of a deprotonated phenol and a cationic quaternary phosphonium, and as a protonated cation. The protonophoric and uncoupling properties of PPR found here were speculated to account for their strong antibacterial activity described previously.
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Affiliation(s)
- Tatyana I Rokitskaya
- Belozersky Institute of Physico-Chemical Biology , Lomonosov Moscow State University , Leninskie Gory 1 , Moscow 119991 , Russian Federation
| | - Natalia V Terekhova
- Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of RAS , Arbuzov Str. 8 , Kazan 420088 , Russian Federation
| | - Lyudmila S Khailova
- Belozersky Institute of Physico-Chemical Biology , Lomonosov Moscow State University , Leninskie Gory 1 , Moscow 119991 , Russian Federation
| | - Elena A Kotova
- Belozersky Institute of Physico-Chemical Biology , Lomonosov Moscow State University , Leninskie Gory 1 , Moscow 119991 , Russian Federation
| | - Egor Y Plotnikov
- Belozersky Institute of Physico-Chemical Biology , Lomonosov Moscow State University , Leninskie Gory 1 , Moscow 119991 , Russian Federation
| | - Dmitry B Zorov
- Belozersky Institute of Physico-Chemical Biology , Lomonosov Moscow State University , Leninskie Gory 1 , Moscow 119991 , Russian Federation
| | - Dmitry A Tatarinov
- Arbuzov Institute of Organic and Physical Chemistry , FRC Kazan Scientific Center of RAS , Arbuzov Str. 8 , Kazan 420088 , Russian Federation.,Kazan Federal University , Kremlevskaya Str. 18 , Kazan 420008 , Russian Federation
| | - Yuri N Antonenko
- Belozersky Institute of Physico-Chemical Biology , Lomonosov Moscow State University , Leninskie Gory 1 , Moscow 119991 , Russian Federation
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8
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Teixeira J, Oliveira C, Cagide F, Amorim R, Garrido J, Borges F, Oliveira PJ. Discovery of a new mitochondria permeability transition pore (mPTP) inhibitor based on gallic acid. J Enzyme Inhib Med Chem 2018. [PMID: 29513043 PMCID: PMC6010063 DOI: 10.1080/14756366.2018.1442831] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Pharmacological interventions targeting mitochondria present several barriers for a complete efficacy. Therefore, a new mitochondriotropic antioxidant (AntiOxBEN3) based on the dietary antioxidant gallic acid was developed. AntiOxBEN3 accumulated several thousand-fold inside isolated rat liver mitochondria, without causing disruption of the oxidative phosphorylation apparatus, as seen by the unchanged respiratory control ratio, phosphorylation efficiency, and transmembrane electric potential. AntiOxBEN3 showed also limited toxicity on human hepatocarcinoma cells. Moreover, AntiOxBEN3 presented robust iron-chelation and antioxidant properties in both isolated liver mitochondria and cultured rat and human cell lines. Along with its low toxicity profile and high antioxidant activity, AntiOxBEN3 strongly inhibited the calcium-dependent mitochondrial permeability transition pore (mPTP) opening. From our data, AntiOxBEN3 can be considered as a lead compound for the development of a new class of mPTP inhibitors and be used as mPTP de-sensitiser for basic research or clinical applications or emerge as a therapeutic application in mitochondria dysfunction-related disorders.
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Affiliation(s)
- José Teixeira
- a CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences , University of Porto , Porto , Portugal.,b Center for Neuroscience and Cell Biology, University of Coimbra, UC-Biotech , Cantanhede , Portugal
| | - Catarina Oliveira
- a CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences , University of Porto , Porto , Portugal
| | - Fernando Cagide
- a CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences , University of Porto , Porto , Portugal
| | - Ricardo Amorim
- a CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences , University of Porto , Porto , Portugal.,c PhD Programme in Experimental Biology and Biomedicine (PDBEB) , Center for Neuroscience and Cell Biology, University of Coimbra , Coimbra , Portugal.,d III-Institute for Interdisciplinary Research , University of Coimbra , Portugal
| | - Jorge Garrido
- e Department of Chemical Engineering, School of Engineering (ISEP) , Polytechnic Institute of Porto , Porto , Portugal
| | - Fernanda Borges
- a CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences , University of Porto , Porto , Portugal
| | - Paulo J Oliveira
- b Center for Neuroscience and Cell Biology, University of Coimbra, UC-Biotech , Cantanhede , Portugal
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9
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Fan XY, Yuan L, Wu C, Liu YJ, Jiang FL, Hu YJ, Liu Y. Mitochondrial toxicity of organic arsenicals: membrane permeability transition pore opening and respiratory dysfunction. Toxicol Res (Camb) 2017; 7:191-200. [PMID: 30090574 DOI: 10.1039/c7tx00234c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 11/22/2017] [Indexed: 11/21/2022] Open
Abstract
In order to clarify the mitochondrial toxicity mechanism of the organic arsenical MOPIMP (2-methoxy-4-(((4-(oxoarsanyl) phenyl) imino) methyl) phenol), research was carried out at the sub-cell level based on the previous finding that the compound MOPIMP can damage the mitochondria by triggering a burst of ROS. After investigating its influence on isolated mitochondria in vitro, it was demonstrated that a high dose of MOPIMP with short-term exposure can induce mitochondrial swelling, decrease the membrane potential, enhance the permeability of H+ and K+, and induce membrane lipid peroxidation, indicating that it can result in an MPT process in a ROS-mediated and Ca2+-independent manner. Additionally, MPT was also aggravated as a result of impairment of the membrane integrity and membrane fluidity. In addition, short-term incubation between mitochondria and compound MOPIMP promoted the inhibition of respiratory chain complexes I, II, III and IV, as well as damage to the respiration process, which supported the previous finding about the burst of ROS. On the other hand, after long-term exposure by the organic arsenical MOPIMP, mitochondrial metabolic dysfunction was triggered, which was in accordance with perturbation of the respiratory chain complexes as well as the respiration process. This work systematically sheds light on the mitochondrial toxicity mechanism of the organic arsenical MOPIMP, including induction of the MPT process and inhibition of respiratory metabolism, which provides a potential target for organic arsenicals as anti-tumor drugs.
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Affiliation(s)
- Xiao-Yang Fan
- State Key Laboratory of Virology & Key Laboratory of Analytical Chemistry for Biology and Medicine (MOE) , College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , P. R. China . ; ; Tel: +8627 68753465
| | - Lian Yuan
- State Key Laboratory of Virology & Key Laboratory of Analytical Chemistry for Biology and Medicine (MOE) , College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , P. R. China . ; ; Tel: +8627 68753465
| | - Can Wu
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources , School of Chemistry and Pharmaceutical Sciences , Guangxi Normal University , Guilin 541000 , P. R. China
| | - Yu-Jiao Liu
- State Key Laboratory of Virology & Key Laboratory of Analytical Chemistry for Biology and Medicine (MOE) , College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , P. R. China . ; ; Tel: +8627 68753465
| | - Feng-Lei Jiang
- State Key Laboratory of Virology & Key Laboratory of Analytical Chemistry for Biology and Medicine (MOE) , College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , P. R. China . ; ; Tel: +8627 68753465
| | - Yan-Jun Hu
- College of Chemistry and Chemical Engineering , Hubei Normal University , Huangshi 435002 , P. R. China
| | - Yi Liu
- State Key Laboratory of Virology & Key Laboratory of Analytical Chemistry for Biology and Medicine (MOE) , College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , P. R. China . ; ; Tel: +8627 68753465.,College of Chemistry and Chemical Engineering , Hubei Normal University , Huangshi 435002 , P. R. China.,Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province , College of Chemistry and Chemical Engineering , Wuhan University of Science and Technology , Wuhan 430081 , P. R. China
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10
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Zielonka J, Sikora A, Hardy M, Ouari O, Vasquez-Vivar J, Cheng G, Lopez M, Kalyanaraman B. Mitochondria-Targeted Triphenylphosphonium-Based Compounds: Syntheses, Mechanisms of Action, and Therapeutic and Diagnostic Applications. Chem Rev 2017; 117:10043-10120. [PMID: 28654243 PMCID: PMC5611849 DOI: 10.1021/acs.chemrev.7b00042] [Citation(s) in RCA: 909] [Impact Index Per Article: 129.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Mitochondria are recognized as one of the most important targets for new drug design in cancer, cardiovascular, and neurological diseases. Currently, the most effective way to deliver drugs specifically to mitochondria is by covalent linking a lipophilic cation such as an alkyltriphenylphosphonium moiety to a pharmacophore of interest. Other delocalized lipophilic cations, such as rhodamine, natural and synthetic mitochondria-targeting peptides, and nanoparticle vehicles, have also been used for mitochondrial delivery of small molecules. Depending on the approach used, and the cell and mitochondrial membrane potentials, more than 1000-fold higher mitochondrial concentration can be achieved. Mitochondrial targeting has been developed to study mitochondrial physiology and dysfunction and the interaction between mitochondria and other subcellular organelles and for treatment of a variety of diseases such as neurodegeneration and cancer. In this Review, we discuss efforts to target small-molecule compounds to mitochondria for probing mitochondria function, as diagnostic tools and potential therapeutics. We describe the physicochemical basis for mitochondrial accumulation of lipophilic cations, synthetic chemistry strategies to target compounds to mitochondria, mitochondrial probes, and sensors, and examples of mitochondrial targeting of bioactive compounds. Finally, we review published attempts to apply mitochondria-targeted agents for the treatment of cancer and neurodegenerative diseases.
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Affiliation(s)
- Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Adam Sikora
- Institute of Applied Radiation Chemistry, Lodz University of Technology, ul. Wroblewskiego 15, 93-590 Lodz, Poland
| | - Micael Hardy
- Aix Marseille Univ, CNRS, ICR, UMR 7273, 13013 Marseille, France
| | - Olivier Ouari
- Aix Marseille Univ, CNRS, ICR, UMR 7273, 13013 Marseille, France
| | - Jeannette Vasquez-Vivar
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Gang Cheng
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Marcos Lopez
- Translational Biomedical Research Group, Biotechnology Laboratories, Cardiovascular Foundation of Colombia, Carrera 5a No. 6-33, Floridablanca, Santander, Colombia, 681003
- Graduate Program of Biomedical Sciences, Faculty of Health, Universidad del Valle, Calle 4B No. 36-00, Cali, Colombia, 760032
| | - Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
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11
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Antonenko YN, Denisov SS, Silachev DN, Khailova LS, Jankauskas SS, Rokitskaya TI, Danilina TI, Kotova EA, Korshunova GA, Plotnikov EY, Zorov DB. A long-linker conjugate of fluorescein and triphenylphosphonium as mitochondria-targeted uncoupler and fluorescent neuro- and nephroprotector. Biochim Biophys Acta Gen Subj 2016; 1860:2463-2473. [PMID: 27450891 DOI: 10.1016/j.bbagen.2016.07.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 06/16/2016] [Accepted: 07/16/2016] [Indexed: 01/05/2023]
Abstract
BACKGROUND Limited uncoupling of oxidative phosphorylation is known to be beneficial in various laboratory models of diseases. Linking a triphenyl-phosphonium cation to fluorescein through a decyl (C10) spacer yields a fluorescent uncoupler, coined mitoFluo, that selectively accumulates in energized mitochondria (Denisov et al., Chem.Commun. 2014). METHODS Proton-transport activity of mitoFluo was tested in liposomes reconstituted with bacteriorhodopsin. To examine the uncoupling action on mitochondria, we monitored mitochondrial membrane potential in parallel with oxygen consumption. Neuro- and nephroprotecting activity was detected by a limb-placing test and a kidney ischemia/reperfusion protocol, respectively. RESULTS We compared mitoFluo properties with those of its newly synthesized analog having a short (butyl) spacer (C4-mitoFluo). MitoFluo, but not C4-mitoFluo, caused collapse of mitochondrial membrane potential resulting in stimulation of mitochondrial respiration. The dramatic difference in the uncoupling activity of mitoFluo and C4-mitoFluo was in line with the difference in their protonophoric activity on a lipid membrane. The accumulation of mitoFluo in mitochondria was more pronounced than that of C4-mitoFluo. MitoFluo decreased the rate of ROS production in mitochondria. MitoFluo was effective in preventing consequences of brain trauma in rats: it suppressed trauma-induced brain swelling and reduced a neurological deficit. Besides, mitoFluo attenuated acute kidney injury after ischemia/reperfusion in rats. CONCLUSIONS A long alkyl linker was proved mandatory for mitoFluo to be a mitochondria- targeted uncoupler. MitoFluo showed high protective efficacy in certain models of oxidative stress-related diseases. GENERAL SIGNIFICANCE MitoFluo is a candidate for developing therapeutic and fluorescence imaging agents to treat brain and kidney pathologies.
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Affiliation(s)
- Yuri N Antonenko
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia.
| | - Stepan S Denisov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia; Faculty of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Denis N Silachev
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Ljudmila S Khailova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Stanislovas S Jankauskas
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Tatyana I Rokitskaya
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Tatyana I Danilina
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Elena A Kotova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Galina A Korshunova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Egor Y Plotnikov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Dmitry B Zorov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119991, Russia
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12
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Ren J, Li J, Liu X, Feng Y, Gui Y, Yang J, He W, Dai C. Quercetin Inhibits Fibroblast Activation and Kidney Fibrosis Involving the Suppression of Mammalian Target of Rapamycin and β-catenin Signaling. Sci Rep 2016; 6:23968. [PMID: 27052477 PMCID: PMC4823739 DOI: 10.1038/srep23968] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 03/17/2016] [Indexed: 02/06/2023] Open
Abstract
Quercetin, a flavonoid found in a wide variety of plants and presented in human diet, displays promising potential in preventing kidney fibroblast activation. However, whether quercetin can ameliorate kidney fibrosis in mice with obstructive nephropathy and the underlying mechanisms remain to be further elucidated. In this study, we found that administration of quercetin could largely ameliorate kidney interstitial fibrosis and macrophage accumulation in the kidneys with obstructive nephropathy. MTORC1, mTORC2, β-catenin as well as Smad signaling were activated in the obstructive kidneys, whereas quercetin could markedly reduce their abundance except Smad3 phosphorylation. In cultured NRK-49F cells, quercetin could inhibit α-SMA and fibronectin (FN) expression induced by TGFβ1 treatment. MTORC1, mTORC2, β-catenin and Smad signaling pathways were stimulated by TGFβ1 at a time dependent manner. Similar to those findings in the obstructive kidneys, mTORC1, mTORC2 and β-catenin, but not Smad signaling pathways were remarkably blocked by quercetin treatment. Together, these results suggest that quercetin inhibits fibroblast activation and kidney fibrosis involving a combined inhibition of mTOR and β-catenin signaling transduction, which may act as a therapeutic candidate for patients with chronic kidney diseases.
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Affiliation(s)
- Jiafa Ren
- Center for Kidney Diseases, 2nd Affiliated Hospital, Nanjing Medical University, 262 North Zhongshan Road, Nanjing, Jiangsu, China
| | - Jianzhong Li
- Center for Kidney Diseases, 2nd Affiliated Hospital, Nanjing Medical University, 262 North Zhongshan Road, Nanjing, Jiangsu, China
| | - Xin Liu
- Center for Kidney Diseases, 2nd Affiliated Hospital, Nanjing Medical University, 262 North Zhongshan Road, Nanjing, Jiangsu, China
| | - Ye Feng
- Center for Kidney Diseases, 2nd Affiliated Hospital, Nanjing Medical University, 262 North Zhongshan Road, Nanjing, Jiangsu, China
| | - Yuan Gui
- Center for Kidney Diseases, 2nd Affiliated Hospital, Nanjing Medical University, 262 North Zhongshan Road, Nanjing, Jiangsu, China
| | - Junwei Yang
- Center for Kidney Diseases, 2nd Affiliated Hospital, Nanjing Medical University, 262 North Zhongshan Road, Nanjing, Jiangsu, China
| | - Weichun He
- Center for Kidney Diseases, 2nd Affiliated Hospital, Nanjing Medical University, 262 North Zhongshan Road, Nanjing, Jiangsu, China
| | - Chunsun Dai
- Center for Kidney Diseases, 2nd Affiliated Hospital, Nanjing Medical University, 262 North Zhongshan Road, Nanjing, Jiangsu, China.,State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, Jiangsu, China
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13
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de Oliveira MR, Nabavi SM, Braidy N, Setzer WN, Ahmed T, Nabavi SF. Quercetin and the mitochondria: A mechanistic view. Biotechnol Adv 2015; 34:532-549. [PMID: 26740171 DOI: 10.1016/j.biotechadv.2015.12.014] [Citation(s) in RCA: 154] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 12/24/2015] [Accepted: 12/26/2015] [Indexed: 12/24/2022]
Abstract
Quercetin is an important flavonoid that is ubiquitously present in the diet in a variety of fruits and vegetables. It has been traditionally viewed as a potent antioxidant and anti-inflammatory molecule. However, recent studies have suggested that quercetin may exert its beneficial effects independent of its free radical-scavenging properties. Attention has been placed on the effect of quercetin on an array of mitochondrial processes. Quercetin is now recognized as a phytochemical that can modulate pathways associated with mitochondrial biogenesis, mitochondrial membrane potential, oxidative respiration and ATP anabolism, intra-mitochondrial redox status, and subsequently, mitochondria-induced apoptosis. The present review evaluates recent evidence on the ability of quercetin to interact with the abovementioned pathways, and critically analyses how, such interactions can exert protection against mitochondrial damage in response to toxicity induced by several exogenously and endogenously-produced cellular stressors, and oxidative stress in particular.
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Affiliation(s)
- Marcos Roberto de Oliveira
- Department of Chemistry, ICET, Federal University of Mato Grosso (UFMT), Av. Fernando Corrêa da Costa, 2367, CEP 78060-900, Cuiabá, MT, Brazil.
| | - Seyed Mohammad Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Nady Braidy
- Centre for Healthy Brain Ageing, School of Psychiatry, University of New South Wales, Australia
| | - William N Setzer
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA
| | - Touqeer Ahmed
- Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Seyed Fazel Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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14
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Gorlach S, Fichna J, Lewandowska U. Polyphenols as mitochondria-targeted anticancer drugs. Cancer Lett 2015; 366:141-9. [PMID: 26185003 DOI: 10.1016/j.canlet.2015.07.004] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Revised: 07/01/2015] [Accepted: 07/03/2015] [Indexed: 01/02/2023]
Abstract
Mitochondria are the respiratory and energetic centers of the cell where multiple intra- and extracellular signal transduction pathways converge leading to dysfunction of those organelles and, consequently, apoptotic or/and necrotic cell death. Mitochondria-targeted anticancer drugs are referred to as mitocans; they have recently been classified by Neuzil et al. (2013) according to their molecular mode of action into: hexokinase inhibitors; mimickers of the Bcl-2 homology-3 (BH3) domains; thiol redox inhibitors; deregulators of voltage-dependent anionic channel (VDAC)/adenine nucleotide translocase (ANT) complex; electron redox chain-targeting agents; lipophilic cations targeting the mitochondrial inner membrane; tricarboxylic acid cycle-targeting agents; and mitochondrial DNA-targeting agents. Polyphenols of plant origin and their synthetic or semisynthetic derivatives exhibit pleiotropic biological activities, including the above-mentioned modes of action characteristic of mitocans. Some of them have already been tested in clinical trials. Gossypol has served as a lead compound for developing more efficient BH3 mimetics such as ABT-737 and its orally available structural analog ABT-263 (Navitoclax). Furthermore, mitochondriotropic derivatives of phenolic compounds such as quercetin and resveratrol have been synthesized and reported to efficiently induce cancer cell death in vitro.
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Affiliation(s)
- Sylwia Gorlach
- Department of Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Jakub Fichna
- Department of Biochemistry, Medical University of Lodz, Lodz, Poland
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15
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Antonenko YN, Nechaeva NL, Baksheeva VE, Rokitskaya TI, Plotnikov EY, Kotova EA, Zorov DB. Intramitochondrial accumulation of cationic Atto520-biotin proceeds via voltage-dependent slow permeation through lipid membrane. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2015; 1848:1277-84. [PMID: 25753112 DOI: 10.1016/j.bbamem.2015.02.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Revised: 02/24/2015] [Accepted: 02/27/2015] [Indexed: 01/23/2023]
Abstract
Conjugation to penetrating cations is a general approach for intramitochondrial delivery of physiologically active compounds, supported by a high membrane potential of mitochondria having negative sign on the matrix side. By using fluorescence correlation spectroscopy, we found here that Atto520-biotin, a conjugate of a fluorescent cationic rhodamine-based dye with the membrane-impermeable vitamin biotin, accumulated in energized mitochondria in contrast to biotin-rhodamine 110. The energy-dependent uptake of Atto520-biotin by mitochondria, being slower than that of the conventional mitochondrial dye tetramethyl-rhodamine ethyl ester, was enhanced by the hydrophobic anion tetraphenylborate (TPB). Atto520-biotin also exhibited accumulation in liposomes driven by membrane potential resulting from potassium ion gradient in the presence valinomycin. The induction of electrical current across planar bilayer lipid membrane by Atto520-biotin proved the ability of the compound to permeate through lipid membrane in a cationic form. Atto520-biotin stained mitochondria in a culture of L929 cells, and the staining was enhanced in the presence of TPB. Therefore, the fluorescent Atto520 moiety can serve as a vehicle for intramitochondrial delivery of hydrophilic drugs. Of importance for biotin-streptavidin technology, binding of Atto520-biotin to streptavidin was found to cause quenching of its fluorescence similar to the case of fluorescein-4-biotin.
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Affiliation(s)
- Yuri N Antonenko
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russian Federation.
| | - Natalya L Nechaeva
- Department of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Victoria E Baksheeva
- Department of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Tatyana I Rokitskaya
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Egor Y Plotnikov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Elena A Kotova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Dmitry B Zorov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russian Federation
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16
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Sassi N, Mattarei A, Azzolini M, Szabo' I, Paradisi C, Zoratti M, Biasutto L. Cytotoxicity of mitochondria-targeted resveratrol derivatives: Interactions with respiratory chain complexes and ATP synthase. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS 2014; 1837:1781-9. [DOI: 10.1016/j.bbabio.2014.06.010] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2013] [Revised: 06/13/2014] [Accepted: 06/27/2014] [Indexed: 02/06/2023]
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17
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Trujillo J, Granados-Castro LF, Zazueta C, Andérica-Romero AC, Chirino YI, Pedraza-Chaverrí J. Mitochondria as a Target in the Therapeutic Properties of Curcumin. Arch Pharm (Weinheim) 2014; 347:873-84. [DOI: 10.1002/ardp.201400266] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Revised: 08/02/2014] [Accepted: 08/15/2014] [Indexed: 12/15/2022]
Affiliation(s)
- Joyce Trujillo
- Facultad de Química; Department of Biology; UNAM; Ciudad Universitaria; México D.F. Mexico
| | | | - Cecilia Zazueta
- Department of Cardiovascular Medicine; Instituto Nacional de Cardiología Ignacio Chávez; México D.F. Mexico
| | | | - Yolanda Irasema Chirino
- Unidad de Biomedicina; Facultad de Estudios Superiores Iztacala; UNAM; Estado de México Mexico
| | - José Pedraza-Chaverrí
- Facultad de Química; Department of Biology; UNAM; Ciudad Universitaria; México D.F. Mexico
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18
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Hwang MS, Rohlena J, Dong LF, Neuzil J, Grimm S. Powerhouse down: Complex II dissociation in the respiratory chain. Mitochondrion 2014; 19 Pt A:20-8. [PMID: 24933571 DOI: 10.1016/j.mito.2014.06.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Revised: 05/28/2014] [Accepted: 06/04/2014] [Indexed: 12/12/2022]
Abstract
Complex II of the respiratory chain (RC) recently emerged as a prominent regulator of cell death. In both cancer cells as well as neurodegenerative diseases, mutations in subunits have been found along with other genetic alterations indirectly affecting this complex. Anticancer compounds were developed that target complex II and cause cell death in a tumor-specific way. Our mechanistic understanding of how complex II is activated for cell death induction has recently been made clearer in recent studies, the results of which are covered in this review. This protein assembly is specifically activated for cell death via the dissociation of its SDHA and SDHB subunits from the membrane-anchoring proteins through pH change or mitochondrial Ca(2+) influx. The SDH activity contained in the SDHA/SDHB subcomplex remains intact and then generates, in an uncontrolled fashion, excessive amounts of reactive oxygen species (ROS) for cell death. Future studies on this mitochondrial complex will further elucidate it as a target for cancer treatments and reveal its role as a nexus for many diverse stimuli in cell death signaling.
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Affiliation(s)
- Ming-Shih Hwang
- Division of Experimental Medicine, Imperial College London, Hammersmith Campus, Du Cane Road, London W12 0NN, UK
| | - Jakub Rohlena
- Institute of Biotechnology, Academy of Sciences of the Czech Republic, Prague 142 20, Czech Republic
| | - Lan-Feng Dong
- School of Medical Science, Griffith Health Institute, Griffith University, Southport Qld 4222, Australia
| | - Jiri Neuzil
- Institute of Biotechnology, Academy of Sciences of the Czech Republic, Prague 142 20, Czech Republic; School of Medical Science, Griffith Health Institute, Griffith University, Southport Qld 4222, Australia
| | - Stefan Grimm
- Division of Experimental Medicine, Imperial College London, Hammersmith Campus, Du Cane Road, London W12 0NN, UK.
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19
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Sandoval-Acuña C, Ferreira J, Speisky H. Polyphenols and mitochondria: an update on their increasingly emerging ROS-scavenging independent actions. Arch Biochem Biophys 2014; 559:75-90. [PMID: 24875147 DOI: 10.1016/j.abb.2014.05.017] [Citation(s) in RCA: 192] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Revised: 04/17/2014] [Accepted: 05/17/2014] [Indexed: 01/08/2023]
Abstract
Polyphenols, ubiquitously present in fruits and vegetables, have been traditionally viewed as antioxidant molecules. Such contention emerged, mainly from their well established in vitro ability to scavenge free radicals and other reactive oxygen species (ROS). During the last decade, however, increasing evidence has emerged supporting the ability of certain polyphenols to also exert numerous ROS-scavenging independent actions. Although the latter can comprise the whole cell, particular attention has been placed on the ability of polyphenols to act, whether favorably or not, on a myriad of mitochondrial processes. Thus, some particular polyphenols are now recognized as molecules capable of modulating pathways that define mitochondrial biogenesis (i.e., inducing sirtuins), mitochondrial membrane potential (i.e., mitochondrial permeability transition pore opening and uncoupling effects), mitochondrial electron transport chain and ATP synthesis (i.e., modulating complexes I to V activity), intra-mitochondrial oxidative status (i.e., inhibiting/inducing ROS formation/removal enzymes), and ultimately mitochondrially-triggered cell death (i.e., modulating intrinsic-apoptosis). The present review describes recent evidence on the ability of some polyphenols to modulate each of the formerly mentioned pathways, and discusses on how, by acting on such mitochondrial processes, polyphenols may afford protection against those mitochondrial damaging events that appear to be key in the cellular toxicity induced by various xenobiotics as well as that seen during the development of several ROS-related diseases.
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Affiliation(s)
- Cristian Sandoval-Acuña
- Nutrition and Food Technology Institute, University of Chile, Santiago, Chile; Clinical and Molecular Pharmacology Program, ICBM, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Jorge Ferreira
- Clinical and Molecular Pharmacology Program, ICBM, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Hernán Speisky
- Nutrition and Food Technology Institute, University of Chile, Santiago, Chile; Faculty of Chemical and Pharmaceutical Sciences, University of Chile, Santiago, Chile.
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20
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Woodman OL, Long R, Pons S, Eychenne N, Berdeaux A, Morin D. The cardioprotectant 3',4'-dihydroxyflavonol inhibits opening of the mitochondrial permeability transition pore after myocardial ischemia and reperfusion in rats. Pharmacol Res 2014; 81:26-33. [PMID: 24521796 DOI: 10.1016/j.phrs.2014.01.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Revised: 01/30/2014] [Accepted: 01/30/2014] [Indexed: 10/25/2022]
Abstract
The study aimed to determine the effect of 3',4'-dihydroxyflavonol (DiOHF) on mitochondrial function, in particular opening of the mitochondrial permeability transition pore (mPTP), respiratory function and reactive oxygen species (ROS) production, in isolated cardiac mitochondria after coronary artery occlusion and reperfusion in vivo. Opening of the mPTP, oxygen consumption and ROS production (assessed by measurement of H2O2) was determined in mitochondria isolated from normal hearts or from the ischemic zone of rat hearts subjected to 30min coronary artery occlusion and 15min reperfusion. Treatment of sham rats with DiOHF (10mgkg(-1) iv) significantly increased the concentration of Ca(2+) required to stimulate mPTP opening. This was accompanied by increased state 3 oxygen consumption and decreased H2O2 release. Ischemia and reperfusion (IR) significantly decreased the concentration of Ca(2+) required to stimulate mPTP opening, decreased state 3 oxygen consumption and increased H2O2 release, when pyruvate plus malate was provided as a substrate. Treatment with DiOHF prevented IR-induced changes in mPTP opening, state 3 oxygen consumption and H2O2 release so that there was no difference compared to sham. In isolated cardiac mitochondria from normal rats DiOHF had no effect on mPTP opening or on state 3 respiration but caused a small increase in state 4 respiration and decreased the respiratory control ratio. DiOHF, administered during ischemia just before reperfusion, inhibits mPTP opening and preserves mitochondrial function through a mechanism likely to be independent of its antioxidant activity or any direct effect on the mPTP.
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Affiliation(s)
- O L Woodman
- School of Medical Sciences, Health Innovations Research Institute, RMIT University, Bundoora, Victoria, Australia.
| | - R Long
- INSERM U955, Equipe 3, Créteil Cedex 94000, France; University Paris Est, Faculté de Médecine, Créteil 94000, France
| | - S Pons
- INSERM U955, Equipe 3, Créteil Cedex 94000, France; University Paris Est, Faculté de Médecine, Créteil 94000, France
| | - N Eychenne
- INSERM U955, Equipe 3, Créteil Cedex 94000, France; University Paris Est, Faculté de Médecine, Créteil 94000, France
| | - A Berdeaux
- INSERM U955, Equipe 3, Créteil Cedex 94000, France; University Paris Est, Faculté de Médecine, Créteil 94000, France
| | - D Morin
- INSERM U955, Equipe 3, Créteil Cedex 94000, France; University Paris Est, Faculté de Médecine, Créteil 94000, France
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21
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Prasad SB, Verma AK. Cantharidin-mediated ultrastructural and biochemical changes in mitochondria lead to apoptosis and necrosis in murine Dalton's lymphoma. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2013; 19:1377-1394. [PMID: 24029497 DOI: 10.1017/s143192761301324x] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Cantharidin, a type of terpenoid, is the blistering agent of blister beetles frequently used in traditional medicine. The isolation and anticancer activity of cantharidin from blister beetles, Mylabris cichorii has been recently reported by us. This study deals with changes in mitochondrial structure and function and understanding their significance in the underlying mechanism(s) in cantharidin-mediated antitumor effects in Dalton's lymphoma (DL) bearing mice. Cantharidin treatment caused the appearance of abnormal mitochondrial features which included roundish mitochondria with thickened membranes, irregularity in cristae, and appearance of small and large size vacuoles in mitochondria of DL cells. Cantharidin treatment resulted in a decrease in mitochondrial reduced glutathione, succinate dehydrogenase activity, mitochondrial membrane potential, and induced apoptosis and necrosis in DL cells. The decrease/release of mitochondrial cytochrome c were also observed after cantharidin treatment. Flow cytometry-based cell cycle analysis showed a time-dependent accumulation of the sub-G0 population of DL cells, thus, confirming the involvement of apoptosis in tumor cells in cantharidin-mediated antitumor activity. These finding signify that the apoptosis induced by cantharidin in DL cells should involve mitochondrial-dependent pathways. It is suggested that these cantharidin-mediated changes in mitochondria may play a crucial role in its antitumor activity.
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Affiliation(s)
- Surya B Prasad
- Department of Zoology, Cell and Tumor Biology Laboratory, North-Eastern Hill University, Shillong-793 022, India
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22
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Bayrasy C, Chabi B, Laguerre M, Lecomte J, Jublanc E, Villeneuve P, Wrutniak-Cabello C, Cabello G. Boosting antioxidants by lipophilization: a strategy to increase cell uptake and target mitochondria. Pharm Res 2013; 30:1979-89. [PMID: 23604925 DOI: 10.1007/s11095-013-1041-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Accepted: 03/27/2013] [Indexed: 12/13/2022]
Abstract
PURPOSE To explore the possibility to boost phenolic antioxidants through their structural modification by lipophilization and check the influence of such covalent modification on cellular uptake and mitochondria targeting. METHODS Rosmarinic acid was lipophilized by various aliphatic chain lengths (butyl, octyl, decyl, dodecyl, hexadecyl, and octadecyl) to give rosmarinate alkyl esters which were then evaluated for their ability (i) to reduce the level of reactive oxygen species (ROS) using 2',7'-dichlorodihydrofluorescein diacetate probe, (ii) to cross fibroblast cell membranes using confocal microscopy, and (iii) to target mitochondria using MitoTracker® Red CMXRos. RESULTS Increasing the chain length led to an improvement of the antioxidant activity until a threshold is reached for medium chain (10 carbon atoms) and beyond which lengthening resulted in a decrease of activity. This nonlinear phenomenon-also known as the cut-off effect-is discussed here in connection to the previously similar results observed in emulsified, liposomal, and cellular systems. Moreover, butyl, octyl, and decyl rosmarinates passed through the membranes in less than 15 min, whereas longer esters did not cross membranes and formed extracellular aggregates. Besides cell uptake, alkyl chain length also determined the subcellular localization of esters: mitochondria for medium chains esters, cytosol for short chains and extracellular media for longer chains. CONCLUSION The localization of antioxidants within mitochondria, the major site and target of ROS, conferred an advantage to medium chain rosmarinates compared to both short and long chains. In conjunction with changes in cellular uptake, this result may explain the observed decrease of antioxidant activity when lengthening the lipid chain of esters. This brings a proof-of-concept that grafting medium chain allows the design of mitochondriotropic antioxidants.
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Affiliation(s)
- Christelle Bayrasy
- CIRAD, UMR Ingénierie des Agropolymères et Technologies Emergentes, Montpellier 34398, France
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23
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Sassi N, Biasutto L, Mattarei A, Carraro M, Giorgio V, Citta A, Bernardi P, Garbisa S, Szabò I, Paradisi C, Zoratti M. Cytotoxicity of a mitochondriotropic quercetin derivative: Mechanisms. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS 2012; 1817:1095-106. [DOI: 10.1016/j.bbabio.2012.03.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2011] [Revised: 02/15/2012] [Accepted: 03/05/2012] [Indexed: 10/28/2022]
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24
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Visioli F, De La Lastra CA, Andres-Lacueva C, Aviram M, Calhau C, Cassano A, D'Archivio M, Faria A, Favé G, Fogliano V, Llorach R, Vitaglione P, Zoratti M, Edeas M. Polyphenols and human health: a prospectus. Crit Rev Food Sci Nutr 2012; 51:524-46. [PMID: 21929330 DOI: 10.1080/10408391003698677] [Citation(s) in RCA: 230] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The lay press often heralds polyphenols as panacea for all sorts of diseases. The rationale is that their antioxidant activity would prevent free radical damage to macromolecules. However, basic and clinical science is showing that the reality is much more complex than this and that several issues, notably content in foodstuff, bioavailability, or in vivo antioxidant activity are yet to be resolved. We summarize the recent findings concerning the effects of polyphenols on human health, analyze the current limitations at pitfalls, and propose future directions for research.
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25
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Smith RAJ, Hartley RC, Murphy MP. Mitochondria-targeted small molecule therapeutics and probes. Antioxid Redox Signal 2011; 15:3021-38. [PMID: 21395490 DOI: 10.1089/ars.2011.3969] [Citation(s) in RCA: 298] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
SIGNIFICANCE Mitochondrial function is central to a wide range of biological processes in health and disease and there is considerable interest in developing small molecules that are taken up by mitochondria and act as either probes of mitochondrial function or therapeutics in vivo. RECENT ADVANCES Various strategies have been used to target small molecules to mitochondria, particularly conjugation to lipophilic cations and peptides, and most of the work so far has been on mitochondria-targeted antioxidants and redox probes. In vivo studies will reveal whether there are differences in the types of bioactive functionalities that can be delivered using different carriers. CRITICAL ISSUES The outstanding challenge in the area is to discover how to combine the established selective delivery to mitochondria with the specific delivery to particular organs. FUTURE DIRECTIONS These targeting methods will be used to direct many other bioactive molecules to mitochondria and many more wider applications other than just to antioxidants can be anticipated in the future.
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Affiliation(s)
- Robin A J Smith
- Department of Chemistry, University of Otago, Dunedin, New Zealand
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26
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Mitochondrial permeability transition induced by different concentrations of zinc. J Membr Biol 2011; 244:105-12. [PMID: 22045332 DOI: 10.1007/s00232-011-9403-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2011] [Accepted: 10/15/2011] [Indexed: 10/16/2022]
Abstract
Zinc is one of the required trace elements in animals, and it serves an important role in biological systems. However, high levels of zinc are poisonous to organisms. So far, there exist conflicting reports about zinc ions-induced mitochondrial permeability transition (MPT). We analyzed the effects of Zn²⁺ on MPT by monitoring mitochondrial swelling with the ultraviolet-visible light absorption spectrum, characterizing the fluidity of the membrane with fluorescence anisotropy, detecting the transmembrane potential (Δψ) with fluorescence intensity, and observing mitochondrial ultrastructure with transmission electron microscopy. Data reveal that low concentrations of zinc ions can trigger MPT while high levels of zinc ions cannot, which implies that zinc ions' toxicity cannot be the result of a single simple mechanism.
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27
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Mattarei A, Sassi N, Durante C, Biasutto L, Sandonà G, Marotta E, Garbisa S, Gennaro A, Paradisi C, Zoratti M. Redox Properties and Cytotoxicity of Synthetic Isomeric Mitochondriotropic Derivatives of the Natural Polyphenol Quercetin. European J Org Chem 2011. [DOI: 10.1002/ejoc.201100573] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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28
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Russo M, Spagnuolo C, Tedesco I, Bilotto S, Russo GL. The flavonoid quercetin in disease prevention and therapy: facts and fancies. Biochem Pharmacol 2011; 83:6-15. [PMID: 21856292 DOI: 10.1016/j.bcp.2011.08.010] [Citation(s) in RCA: 443] [Impact Index Per Article: 34.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Revised: 08/05/2011] [Accepted: 08/05/2011] [Indexed: 12/23/2022]
Abstract
Biochemical and genetic studies on cellular and animal models on the mechanism(s) of action of phytochemicals provide a functional explanation of how and why a diet rich in fruits and vegetables is considered healthy. It is not unusual to find molecules that protect against diseases, which greatly differ from a physiopathological point of view, such as cancer and cardiovascular disorders. Quercetin falls into this category and possesses a broad range of biological properties. Uptake, metabolism and circulating concentrations of quercetin and its metabolites suggest that a regular diet provides amounts of quercetin (<1 μM) not compatible with its chemopreventive and/or cardioprotective effects. However, it appears relatively easy to increase total quercetin concentrations in plasma (>10 μM) by supplementation with quercetin-enriched foods or supplements. Multiple lines of experimental evidence suggest a positive association between quercetin intake and improved outcomes of inflammatory cardiovascular risk. The ameliorating effect of quercetin administration can be extended to other chronic inflammatory disorders but only if supplementation occurs in patients. Quercetin can be considered the prototype of a naturally-occurring chemopreventive agent because of its key roles in triggering the "hallmarks of cancer". However, several critical points must be taken into account when considering the potential therapeutic use of this molecule: (1) pharmacological versus nutraceutical doses applied, (2) specificity of its mechanism of action compared to other phytochemicals, and (3) identification of "direct" cellular targets. The design of specific clinical trials is extremely warranted to depict possible applications of quercetin in adjuvant cancer therapy.
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Affiliation(s)
- Maria Russo
- Institute of Food Sciences, National Research Council, Avellino, Italy
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29
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Pajuelo D, Fernández-Iglesias A, Díaz S, Quesada H, Arola-Arnal A, Bladé C, Salvadó J, Arola L. Improvement of mitochondrial function in muscle of genetically obese rats after chronic supplementation with proanthocyanidins. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:8491-8498. [PMID: 21726097 DOI: 10.1021/jf201775v] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The aim of this study was to determine the effect of chronic dietary supplementation of a grape seed proanthocyanidin extract (GSPE) at a dose of 35 mg/kg body weight on energy metabolism and mitochondrial function in the skeletal muscle of Zucker obese rats. Three groups of 10 animals each were used: lean Fa/fa lean group (LG) rats, a control fa/fa obese group (OG) of rats, and an obese supplemented fa/fa proanthocyanidins obese group (POG) of rats, which were supplemented with a dose of 35 mg GSPE/kg of body weight/day during the 68 days of experimentation. Skeletal muscle energy metabolism was evaluated by determining enzyme activities, key metabolic gene expression, and immunoblotting of oxidative phosphorylation complexes. Mitochondrial function was analyzed by high-resolution respirometry using both a glycosidic and a lipid substrate. In muscle, chronic GSPE administration decreased citrate synthase activity, the amount of oxidative phosphorylation complexes I and II, and Nrf1 gene expression, without any effects on the mitochondrial oxidative capacity. This situation was associated with lower reactive oxygen species (ROS) generation. Additionally, GSPE administration enhanced the ability to oxidize pyruvate, and it also increased the activity of enzymes involved in oxidative phosphorylation including cytochrome c oxidase. There is strong evidence to suggest that GSPE administration stimulates mitochondrial function in skeletal muscle specifically by increasing the capacity to oxidize pyruvate and contributes to reduced muscle ROS generation in obese Zucker rats.
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Affiliation(s)
- David Pajuelo
- Departament de Bioquímica i Biotecnologia, Universitat Rovira i Virgili, Tarragona, Spain
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30
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Pajuelo D, Díaz S, Quesada H, Fernández-Iglesias A, Mulero M, Arola-Arnal A, Salvadó MJ, Bladé C, Arola L. Acute administration of grape seed proanthocyanidin extract modulates energetic metabolism in skeletal muscle and BAT mitochondria. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:4279-4287. [PMID: 21401106 DOI: 10.1021/jf200322x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Proanthocyanidin consumption might reduce the risk of developing several pathologies, such as inflammation, oxidative stress and cardiovascular diseases. The beneficial effects of proanthocyanidins are attributed to their antioxidant properties, although they also can modulate gene expression at the transcriptional level. Little is known about the effect of proanthocyanidins on mitochondrial function and energy metabolism. In this context, the objective of this study was to determine the effect of an acute administration of grape seed proanthocyanidin extract (GSPE) on mitochondrial function and energy metabolism. To examine this effect, male Wistar rats fasted for fourteen hours, and then they were orally administered lard oil containing GSPE or were administered lard oil only. Liver, muscle and brown adipose tissue (BAT) were used to study enzymatic activity and gene expression of proteins related to energetic metabolism. Moreover, the gastrocnemius muscle and BAT mitochondria were used to perform high-resolution respirometry. The results showed that, after 5 h, the GSPE administration significantly lowers plasma triglycerides, free fatty acids, glycerol and urea concentrations. In skeletal muscle, GSPE lowers FATP1 mRNA levels and increases mitochondrial oxygen consumption, using pyruvate as the substrate, suggesting a promotion of glycosidic metabolism. Furthermore, GSPE increased the genetic expression of key genes in energy metabolism such as peroxisome proliferator-activated receptor gamma, coactivator 1 alpha (PGC1α), and modulated the enzyme activity of proteins, which are involved in the citric acid cycle and electron transport chain (ETC) in BAT. In conclusion, GSPE affects mainly the skeletal muscle and BAT mitochondria, increasing their oxidative capacity rapidly after acute supplementation.
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Affiliation(s)
- D Pajuelo
- Nutrigenomics Group, Universitat Rovira i Virgili, Tarragona, Spain
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31
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Koene S, Smeitink J. Metabolic manipulators: a well founded strategy to combat mitochondrial dysfunction. J Inherit Metab Dis 2011; 34:315-25. [PMID: 20668944 PMCID: PMC3063543 DOI: 10.1007/s10545-010-9162-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2010] [Revised: 06/11/2010] [Accepted: 06/23/2010] [Indexed: 01/27/2023]
Abstract
Whilst the pathophysiology and genetics of mitochondrial disease are slowly being unraveled, currently no effective remedy for mitochondrial disorders is available. One particular strategy in mitochondrial medicine presently under study is metabolic manipulation. This approach is aimed at counteracting the deranged cell biological homeostasis caused by mitochondrial dysfunction, using dietary modifications or small molecule therapy. Cell biological alterations caused by mitochondrial dysfunction include increased reactive oxygen species production, enhanced lipid peroxidation and altered cellular calcium homeostasis. This review covers the five principles of metabolic manipulation: (1) prevention of oxidative damage by reactive oxygen species, (2) amelioration of lipid peroxidation, (3) correction of altered membrane potential, (4) restoration of calcium homeostasis, and (5) transcription regulation interference. We hypothesize that a combination of compounds targeting different metabolic pathways will abolish cellular disturbance arising as a consequences of mitochondrial dysfunction, and thereby improve or stabilize clinical features. However, only a handful of compounds have reached efficacy testing in mammals, and it remains unknown to what extent metabolic manipulation will affect the whole organism. Until a potent remedy is found, patients will remain dependent on supportive, not curative, interventions.
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Affiliation(s)
- Saskia Koene
- Nijmegen Centre for Mitochondrial Disorders, Radboud University Nijmegen Medical Centre, Geert Grooteplein 10, 6500 HB PO BOX 9101, Nijmegen, The Netherlands
| | - Jan Smeitink
- Nijmegen Centre for Mitochondrial Disorders, Radboud University Nijmegen Medical Centre, Geert Grooteplein 10, 6500 HB PO BOX 9101, Nijmegen, The Netherlands
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32
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Dong LF, Jameson VJA, Tilly D, Cerny J, Mahdavian E, Marín-Hernández A, Hernández-Esquivel L, Rodríguez-Enríquez S, Stursa J, Witting PK, Stantic B, Rohlena J, Truksa J, Kluckova K, Dyason JC, Ledvina M, Salvatore BA, Moreno-Sánchez R, Coster MJ, Ralph SJ, Smith RAJ, Neuzil J. Mitochondrial targeting of vitamin E succinate enhances its pro-apoptotic and anti-cancer activity via mitochondrial complex II. J Biol Chem 2011; 286:3717-28. [PMID: 21059645 PMCID: PMC3030374 DOI: 10.1074/jbc.m110.186643] [Citation(s) in RCA: 152] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Revised: 10/28/2010] [Indexed: 12/27/2022] Open
Abstract
Mitochondrial complex II (CII) has been recently identified as a novel target for anti-cancer drugs. Mitochondrially targeted vitamin E succinate (MitoVES) is modified so that it is preferentially localized to mitochondria, greatly enhancing its pro-apoptotic and anti-cancer activity. Using genetically manipulated cells, MitoVES caused apoptosis and generation of reactive oxygen species (ROS) in CII-proficient malignant cells but not their CII-dysfunctional counterparts. MitoVES inhibited the succinate dehydrogenase (SDH) activity of CII with IC(50) of 80 μM, whereas the electron transfer from CII to CIII was inhibited with IC(50) of 1.5 μM. The agent had no effect either on the enzymatic activity of CI or on electron transfer from CI to CIII. Over 24 h, MitoVES caused stabilization of the oxygen-dependent destruction domain of HIF1α fused to GFP, indicating promotion of the state of pseudohypoxia. Molecular modeling predicted the succinyl group anchored into the proximal CII ubiquinone (UbQ)-binding site and successively reduced interaction energies for serially shorter phytyl chain homologs of MitoVES correlated with their lower effects on apoptosis induction, ROS generation, and SDH activity. Mutation of the UbQ-binding Ser(68) within the proximal site of the CII SDHC subunit (S68A or S68L) suppressed both ROS generation and apoptosis induction by MitoVES. In vivo studies indicated that MitoVES also acts by causing pseudohypoxia in the context of tumor suppression. We propose that mitochondrial targeting of VES with an 11-carbon chain localizes the agent into an ideal position across the interface of the mitochondrial inner membrane and matrix, optimizing its biological effects as an anti-cancer drug.
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Affiliation(s)
| | | | - David Tilly
- the Eskitis Institute for Cell and Molecular Therapies, Griffith University, Nathan 4111, Queensland, Australia
| | | | - Elahe Mahdavian
- the Department of Chemistry and Physics, Louisiana State University, Shreveport, Louisiana 71115
| | - Alvaro Marín-Hernández
- the Department of Biochemistry, National Institute of Cardiology, Mexico City 14080, Mexico, and
| | - Luz Hernández-Esquivel
- the Department of Biochemistry, National Institute of Cardiology, Mexico City 14080, Mexico, and
| | - Sara Rodríguez-Enríquez
- the Department of Biochemistry, National Institute of Cardiology, Mexico City 14080, Mexico, and
| | - Jan Stursa
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague 14220, Czech Republic
| | - Paul K. Witting
- the Discipline of Pathology, Bosch Research Institute, Sydney Medical School, University of Sydney, Sydney 2006, New South Wales, Australia
| | - Bela Stantic
- Institute for Integrated and Intelligent Systems, and
| | | | | | | | - Jeffrey C. Dyason
- Institute for Glycomics, Griffith University, Southport 4222, Queensland, Australia
| | - Miroslav Ledvina
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague 14220, Czech Republic
| | - Brian A. Salvatore
- the Department of Chemistry and Physics, Louisiana State University, Shreveport, Louisiana 71115
| | - Rafael Moreno-Sánchez
- the Department of Biochemistry, National Institute of Cardiology, Mexico City 14080, Mexico, and
| | - Mark J. Coster
- the Eskitis Institute for Cell and Molecular Therapies, Griffith University, Nathan 4111, Queensland, Australia
| | | | - Robin A. J. Smith
- the Department of Chemistry, University of Otago, Dunedin 9016, New Zealand
| | - Jiri Neuzil
- From the School of Medical Science
- Institute for Glycomics, Griffith University, Southport 4222, Queensland, Australia
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Szabo A, Balog M, Mark L, Montsko G, Turi Z, Gallyas F, Sumegi B, Kalai T, Hideg K, Kovacs K. Induction of mitochondrial destabilization and necrotic cell death by apolar mitochondria-directed SOD mimetics. Mitochondrion 2011; 11:476-87. [PMID: 21292036 DOI: 10.1016/j.mito.2011.01.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2010] [Revised: 01/06/2011] [Accepted: 01/24/2011] [Indexed: 01/14/2023]
Abstract
In this paper, we present evidence, for the first time, that increasing the lipophilicity of mitochondria targeting SOD mimetics reverses their cytoprotective properties, destabilizing the mitochondrial membrane system and promoting cell death. A new mitochondria-directed apolar SOD mimetic, HO-3814, was found to provoke mitochondrial swelling and loss of mitochondrial membrane potential, and these effects were not inhibited by cyclosporine A. HO-3814-induced cell death was predominantly necrotic, caspase-independent, and not affected by mitochondrial permeability transition inhibitors or cyclophilin D-suppression, inhibitors of mitogen-activated protein kinases or Akt, or various antioxidants. In contrast, Bcl-2 overexpression diminished the effects of HO-3814.
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Affiliation(s)
- Aliz Szabo
- Department of Biochemistry and Medical Chemistry, University of Pecs, Hungary
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34
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Ganesan S, Faris AN, Comstock AT, Chattoraj SS, Chattoraj A, Burgess JR, Curtis JL, Martinez FJ, Zick S, Hershenson MB, Sajjan US. Quercetin prevents progression of disease in elastase/LPS-exposed mice by negatively regulating MMP expression. Respir Res 2010; 11:131. [PMID: 20920189 PMCID: PMC2954923 DOI: 10.1186/1465-9921-11-131] [Citation(s) in RCA: 93] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2010] [Accepted: 09/28/2010] [Indexed: 01/14/2023] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is characterized by chronic bronchitis, emphysema and irreversible airflow limitation. These changes are thought to be due to oxidative stress and an imbalance of proteases and antiproteases. Quercetin, a plant flavonoid, is a potent antioxidant and anti-inflammatory agent. We hypothesized that quercetin reduces lung inflammation and improves lung function in elastase/lipopolysaccharide (LPS)-exposed mice which show typical features of COPD, including airways inflammation, goblet cell metaplasia, and emphysema. Methods Mice treated with elastase and LPS once a week for 4 weeks were subsequently administered 0.5 mg of quercetin dihydrate or 50% propylene glycol (vehicle) by gavage for 10 days. Lungs were examined for elastance, oxidative stress, inflammation, and matrix metalloproteinase (MMP) activity. Effects of quercetin on MMP transcription and activity were examined in LPS-exposed murine macrophages. Results Quercetin-treated, elastase/LPS-exposed mice showed improved elastic recoil and decreased alveolar chord length compared to vehicle-treated controls. Quercetin-treated mice showed decreased levels of thiobarbituric acid reactive substances, a measure of lipid peroxidation caused by oxidative stress. Quercetin also reduced lung inflammation, goblet cell metaplasia, and mRNA expression of pro-inflammatory cytokines and muc5AC. Quercetin treatment decreased the expression and activity of MMP9 and MMP12 in vivo and in vitro, while increasing expression of the histone deacetylase Sirt-1 and suppressing MMP promoter H4 acetylation. Finally, co-treatment with the Sirt-1 inhibitor sirtinol blocked the effects of quercetin on the lung phenotype. Conclusions Quercetin prevents progression of emphysema in elastase/LPS-treated mice by reducing oxidative stress, lung inflammation and expression of MMP9 and MMP12.
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Affiliation(s)
- Shyamala Ganesan
- Department of Pediatrics and Communicable Diseases, University of Michigan, Ann Arbor, MI 48109, USA
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Mattarei A, Biasutto L, Rastrelli F, Garbisa S, Marotta E, Zoratti M, Paradisi C. Regioselective O-derivatization of quercetin via ester intermediates. An improved synthesis of rhamnetin and development of a new mitochondriotropic derivative. Molecules 2010; 15:4722-36. [PMID: 20657388 PMCID: PMC6257647 DOI: 10.3390/molecules15074722] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2010] [Revised: 06/22/2010] [Accepted: 07/02/2010] [Indexed: 02/06/2023] Open
Abstract
The regioselective synthesis of several quercetin (3,3’,4’,5,7-pentahydroxy flavone) tetraesters bearing a single free OH on 5-C was achieved in good yield by proper choice of reaction conditions using common esterification procedures. Tetracetylated quercetin with the free OH on 7-C was selectively obtained instead via imidazole-promoted deacylation of the corresponding pentaester. Unambiguous structural characterization of the two isomeric tetraacetyl quercetin derivatives was obtained by combined HSQC and HMBC 2D-NMR analysis. These molecules can be used as starting materials for the regioselective synthesis of other derivatives. High yield syntheses of the natural polyphenol rhamnetin (7-O-methylquercetin) and of the new mitochondriotropic compound 7-(4-triphenylphosphoniumbutyl) quercetin iodide are reported as examples.
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Affiliation(s)
- Andrea Mattarei
- Department of Chemical Sciences, Università di Padova, via Marzolo 1, 35131 Padova, Italy
| | - Lucia Biasutto
- Department of Biomedical Sciences, Università di Padova, viale G. Colombo 3, 35121 Padova, Italy
| | - Federico Rastrelli
- Department of Chemical Sciences, Università di Padova, via Marzolo 1, 35131 Padova, Italy
| | - Spiridione Garbisa
- Department of Biomedical Sciences, Università di Padova, viale G. Colombo 3, 35121 Padova, Italy
| | - Ester Marotta
- Department of Chemical Sciences, Università di Padova, via Marzolo 1, 35131 Padova, Italy
| | - Mario Zoratti
- Department of Biomedical Sciences, Università di Padova, viale G. Colombo 3, 35121 Padova, Italy
- CNR Institute of Neuroscience, viale G. Colombo 3, 35121 Padova, Italy
| | - Cristina Paradisi
- Department of Chemical Sciences, Università di Padova, via Marzolo 1, 35131 Padova, Italy
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +39-049-827-5661; Fax: +39-049-827-5239
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Biasutto L, Dong LF, Zoratti M, Neuzil J. Mitochondrially targeted anti-cancer agents. Mitochondrion 2010; 10:670-81. [PMID: 20601192 DOI: 10.1016/j.mito.2010.06.004] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2010] [Revised: 06/20/2010] [Accepted: 06/23/2010] [Indexed: 01/12/2023]
Abstract
Cancer is an ever-increasing problem that is yet to be harnessed. Frequent mutations make this pathology very variable and, consequently, a considerable challenge. Intriguingly, mitochondria have recently emerged as novel targets for cancer therapy. A group of agents with anti-cancer activity that induce apoptosis by way of mitochondrial destabilisation, termed mitocans, have been a recent focus of research. Of these compounds, many are hydrophobic agents that associate with various sub-cellular organelles. Clearly, modification of such structures with mitochondria-targeting moieties, for example tagging them with lipophilic cations, would be expected to enhance their activity. This may be accomplished by the addition of triphenylphosphonium groups that direct such compounds to mitochondria, enhancing their activity. In this paper, we will review agents that possess anti-cancer activity by way of destabilizing mitochondria and their possible targets. We propose that mitochondrial targeting, in particular where the agent associates directly with the target, results in more specific and efficient anti-cancer drugs of potential high clinical relevance.
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Affiliation(s)
- Lucia Biasutto
- CNR Institute of Neuroscience and Dept. of Experimental Biomedical Sciences, University of Padova, Padova, Italy
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Mitochondria-targeted penetrating cations as carriers of hydrophobic anions through lipid membranes. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2010; 1798:1698-706. [PMID: 20510172 DOI: 10.1016/j.bbamem.2010.05.018] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Revised: 03/29/2010] [Accepted: 05/17/2010] [Indexed: 11/23/2022]
Abstract
High negative electric potential inside mitochondria provides a driving force for mitochondria-targeted delivery of cargo molecules linked to hydrophobic penetrating cations. This principle is utilized in construction of mitochondria-targeted antioxidants (MTA) carrying quinone moieties which produce a number of health benefitting effects by protecting cells and organisms from oxidative stress. Here, a series of penetrating cations including MTA were shown to induce the release of the liposome-entrapped carboxyfluorescein anion (CF), but not of glucose or ATP. The ability to induce the leakage of CF from liposomes strongly depended on the number of carbon atoms in alkyl chain (n) of alkyltriphenylphosphonium and alkylrhodamine derivatives. In particular, the leakage of CF was maximal at n about 10-12 and substantially decreased at n=16. Organic anions (palmitate, oleate, laurylsulfate) competed with CF for the penetrating cation-induced efflux. The reduced activity of alkylrhodamines with n=16 or n=18 as compared to that with n=12 was ascribed to a lower rate of partitioning of the former into liposomal membranes, because electrical current relaxation studies on planar bilayer lipid membranes showed rather close translocation rate constants for alkylrhodamines with n=18 and n=12. Changes in the alkylrhodamine absorption spectra upon anion addition confirmed direct interaction between alkylrhodamines and the anion. Thus, mitochondria-targeted penetrating cations can serve as carriers of hydrophobic anions across bilayer lipid membranes.
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