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Bychkov IA, Pojidaeva ES, Doroshenko AS, Khripach VA, Kudryakova NV, Kusnetsov VV. Phytohormones as Regulators of Mitochondrial Gene Expression in Arabidopsis thaliana. Int J Mol Sci 2023; 24:16924. [PMID: 38069246 PMCID: PMC10707152 DOI: 10.3390/ijms242316924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 11/22/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
The coordination of activities between nuclei and organelles in plant cells involves information exchange, in which phytohormones may play essential roles. Therefore, the dissection of the mechanisms of hormone-related integration between phytohormones and mitochondria is an important and challenging task. Here, we found that inputs from multiple hormones may cause changes in the transcript accumulation of mitochondrial-encoded genes and nuclear genes encoding mitochondrial (mt) proteins. In particular, treatments with exogenous hormones induced changes in the GUS expression in the reporter line possessing a 5'-deletion fragment of the RPOTmp promoter. These changes corresponded in part to the up- or downregulation of RPOTmp in wild-type plants, which affects the transcription of mt-encoded genes, implying that the promoter fragment of the RPOTmp gene is functionally involved in the responses to IAA (indole-3-acetic acid), ACC (1-aminocyclopropane-1-carboxylic acid), and ABA (abscisic acid). Hormone-dependent modulations in the expression of mt-encoded genes can also be mediated through mitochondrial transcription termination factors 15, 17, and 18 of the mTERF family and genes for tetratricopeptide repeat proteins that are coexpressed with mTERF genes, in addition to SWIB5 encoding a mitochondrial SWI/SNF (nucleosome remodeling) complex B protein. These genes specifically respond to hormone treatment, displaying both negative and positive regulation in a context-dependent manner. According to bioinformatic resources, their promoter region possesses putative cis-acting elements involved in responses to phytohormones. Alternatively, the hormone-related transcriptional activity of these genes may be modulated indirectly, which is especially relevant for brassinosteroids (BS). In general, the results of this study indicate that hormones are essential mediators that are able to cause alterations in the transcript accumulation of mt-related nuclear genes, which, in turn, trigger the expression of mt genes.
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Affiliation(s)
- Ivan A. Bychkov
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (I.A.B.); (E.S.P.); (A.S.D.)
| | - Elena S. Pojidaeva
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (I.A.B.); (E.S.P.); (A.S.D.)
| | - Anastasia S. Doroshenko
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (I.A.B.); (E.S.P.); (A.S.D.)
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, 220072 Minsk, Belarus;
| | - Natalia V. Kudryakova
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (I.A.B.); (E.S.P.); (A.S.D.)
| | - Victor V. Kusnetsov
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (I.A.B.); (E.S.P.); (A.S.D.)
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2
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Kolomeichuk LV, Danilova ED, Murgan OK, Sauchuk AL, Litvinovskaya RP, Khripach VA, Kuznetsov VV, Efimova MV. Endogenous Brassinosteroids Are Involved in the Formation of Salt Resistance in Plants. Dokl Biol Sci 2023; 511:259-263. [PMID: 37833583 DOI: 10.1134/s0012496623700485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 03/30/2023] [Accepted: 03/30/2023] [Indexed: 10/15/2023]
Abstract
The endogenous brassinosteroid (BS) profile was for the first time shown to change in response to salt stress in potato plants. A group of 6-keto-BSs was identified and found to significantly increase in content during salinization in contrast to other groups of hormones examined. A tenfold reduction in the level of endogenous BSs in mutant Arabidopsis thaliana plants with impaired biosynthesis (det2) (or reception (bri1)) of phytosteroids decreased their salt resistance, as evidenced by a lower efficiency of photochemical processes of photosystem II (PSII) and growth inhibition. The results confirmed the idea that endogenous BSs are involved in the formation of salt resistance in plants.
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Affiliation(s)
- L V Kolomeichuk
- National Research Tomsk State University, 634050, Tomsk, Russia
| | - E D Danilova
- National Research Tomsk State University, 634050, Tomsk, Russia.
| | - O K Murgan
- National Research Tomsk State University, 634050, Tomsk, Russia
| | - A L Sauchuk
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, 220141, Minsk, Belarus
| | - R P Litvinovskaya
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, 220141, Minsk, Belarus
| | - V A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, 220141, Minsk, Belarus
| | - V V Kuznetsov
- National Research Tomsk State University, 634050, Tomsk, Russia
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276, Moscow, Russia
| | - M V Efimova
- National Research Tomsk State University, 634050, Tomsk, Russia
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3
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Barysevich MV, Laktsevich-Iskryk MV, Scherbakov AM, Salnikova DI, Andreeva OE, Sorokin DV, Shchegolev YY, Hurski AL, Zhabinskii VN, Khripach VA. Synthesis and biological activity of 21,22-cyclosteroids and their derivatives. Steroids 2022; 188:109135. [PMID: 36336105 DOI: 10.1016/j.steroids.2022.109135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/19/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022]
Abstract
Synthesis of 21,22-cyclosteroids has been achieved starting from pregnenolone acetate. The key transformation was the Kulinkovich reaction of 17-vinyl steroids with esters. The resulting cyclopropanols were further subjected to three-membered ring-opening under various conditions including to base-, palladium or visible light-promoted isomerization and cross-coupling reaction. A number of steroidal Δ2-6-ketones and 3β-hydroxy-Δ5-enes with functional groups at C-21 - C-23 have been synthesized via the 21,22-cyclosteroids. The antiproliferative and antihormonal activity of the obtained compounds on the cell lines of prostate (22Rv1) and breast (MCF-7) cancer was studied. The androgen receptor activity was assessed by reporter assay when the expression of signalling proteins was evaluated by immunoblotting. (20S,22R)-22-Acetoxy-21,22-cyclo-5α-cholest-5-ene with the moderate antiandrogenic potency revealed IC50 values of 18.4 ± 1.2 and 14.6 ± 1.4 µM against MCF-7 and 22Rv1 cells, respectively, and its effects on the expression of AR-V7, cyclin D1 and BCL2 were explored.
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Affiliation(s)
- Maryia V Barysevich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st, 5/2, 220141 Minsk, Belarus
| | - Marharyta V Laktsevich-Iskryk
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st, 5/2, 220141 Minsk, Belarus
| | - Alexander M Scherbakov
- Department of Experimental Tumor Biology, Blokhin N.N. National Medical Research Center of Oncology, Ministry of Health of Russia, Kashirskoe shosse, 24, 115522 Moscow, Russia
| | - Diana I Salnikova
- Department of Experimental Tumor Biology, Blokhin N.N. National Medical Research Center of Oncology, Ministry of Health of Russia, Kashirskoe shosse, 24, 115522 Moscow, Russia
| | - Olga E Andreeva
- Department of Experimental Tumor Biology, Blokhin N.N. National Medical Research Center of Oncology, Ministry of Health of Russia, Kashirskoe shosse, 24, 115522 Moscow, Russia
| | - Danila V Sorokin
- Department of Experimental Tumor Biology, Blokhin N.N. National Medical Research Center of Oncology, Ministry of Health of Russia, Kashirskoe shosse, 24, 115522 Moscow, Russia
| | - Yuri Y Shchegolev
- Department of Experimental Tumor Biology, Blokhin N.N. National Medical Research Center of Oncology, Ministry of Health of Russia, Kashirskoe shosse, 24, 115522 Moscow, Russia
| | - Alaksiej L Hurski
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st, 5/2, 220141 Minsk, Belarus
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st, 5/2, 220141 Minsk, Belarus.
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st, 5/2, 220141 Minsk, Belarus
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4
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Zhabinskii VN, Drasar P, Khripach VA. Structure and Biological Activity of Ergostane-Type Steroids from Fungi. Molecules 2022; 27:2103. [PMID: 35408501 PMCID: PMC9000798 DOI: 10.3390/molecules27072103] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 12/24/2022] Open
Abstract
Mushrooms are known not only for their taste but also for beneficial effects on health attributed to plethora of constituents. All mushrooms belong to the kingdom of fungi, which also includes yeasts and molds. Each year, hundreds of new metabolites of the main fungal sterol, ergosterol, are isolated from fungal sources. As a rule, further testing is carried out for their biological effects, and many of the isolated compounds exhibit one or another activity. This study aims to review recent literature (mainly over the past 10 years, selected older works are discussed for consistency purposes) on the structures and bioactivities of fungal metabolites of ergosterol. The review is not exhaustive in its coverage of structures found in fungi. Rather, it focuses solely on discussing compounds that have shown some biological activity with potential pharmacological utility.
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Affiliation(s)
- Vladimir N. Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus;
| | - Pavel Drasar
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology, Technicka 5, CZ-166 28 Prague, Czech Republic;
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus;
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5
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Kolomeichuk LV, Khripach VA, Kuznetsov VV, Efimova MV. Comparison of Protective Reactions of Rape Seeds to Chloride Salination at Exposure to Epibrassinolide before or during Salt Stress. DOKL BIOCHEM BIOPHYS 2022; 502:25-29. [PMID: 35275302 DOI: 10.1134/s1607672922010057] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/04/2021] [Accepted: 10/10/2021] [Indexed: 11/23/2022]
Abstract
We compared the defensive response of rape plants to treatment with 24-epibrassinoldide (10 nM, EBL) before the onset of salt stress (preadaptation stage) and under conditions of chloride salination (150 mM NaCl). It is shown that salt stress inhibits some growth parameters by 30-35%. EBL, regardless of the plant treatment method, showed a pronounced protective effect, first of all, at the level of the assimilating surface, the main photosynthetic pigments, and the photochemical activity of photosystem II. It was established for the first time that the pretreatment of plants with EBL followed by salt stress is accompanied by suppression of NaCl-induced accumulation of proline and an increase in superoxide dismutase activity, whereas the addition of a hormone under salt stress increases the content of carotenoids, which leads to a decrease in the level of lipid peroxidation.
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Affiliation(s)
| | - V A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Minsk, Belarus
| | - V V Kuznetsov
- National Research Tomsk State University, Tomsk, Russia.,Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia
| | - M V Efimova
- National Research Tomsk State University, Tomsk, Russia
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6
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Drasar PB, Khripach VA. Terpene Research Is Providing New Inspiration for Scientists. Molecules 2021; 26:molecules26185480. [PMID: 34576951 PMCID: PMC8465594 DOI: 10.3390/molecules26185480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 09/08/2021] [Indexed: 11/16/2022] Open
Affiliation(s)
- Pavel B. Drasar
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology, Technicka 5, 166 28 Prague, Czech Republic
- Correspondence:
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, 5/2 Academician V. F. Kuprevich Street, BY-220141 Minsk, Belarus;
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7
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Kretynin SV, Kolesnikov YS, Derevyanchuk MV, Kalachova TA, Blume YB, Khripach VA, Kravets VS. Brassinosteroids application induces phosphatidic acid production and modify antioxidant enzymes activity in tobacco in calcium-dependent manner. Steroids 2021; 168:108444. [PMID: 31295460 DOI: 10.1016/j.steroids.2019.108444] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 02/15/2019] [Accepted: 02/25/2019] [Indexed: 12/20/2022]
Abstract
Brassinosteroids (BRs) are steroid hormones regulating various aspects of plant metabolism, including growth, development and stress responses. However, little is known about the mechanism of their impact on antioxidant systems and phospholipid turnover. Using tobacco plants overexpressing H+/Ca2+vacuolar Arabidopsis antiporter CAX1, we showed the role of Ca2+ ion balance in the reactive oxygen species production and rapid phosphatidic acid accumulation induced by exogenous BR. Combination of our experimental results with public transcriptomic and proteomic data revealed a particular role of Ca2+-dependent phospholipid metabolizing enzymes in BR signaling. Here we provide novel insights into the role of calcium balance and lipid-derived second messengers in plant responses to exogenous BRs and propose a complex model integrating BR-mediated metabolic changes with phospholipid turnover.
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Affiliation(s)
- Serhiy V Kretynin
- Department of the Molecular Mechanisms of Cell Metabolism Regulation, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 02660, Murmanska str. 1, Kyiv, Ukraine
| | - Yaroslav S Kolesnikov
- Department of the Molecular Mechanisms of Cell Metabolism Regulation, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 02660, Murmanska str. 1, Kyiv, Ukraine
| | - Michael V Derevyanchuk
- Department of the Molecular Mechanisms of Cell Metabolism Regulation, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 02660, Murmanska str. 1, Kyiv, Ukraine
| | - Tetiana A Kalachova
- Department of the Molecular Mechanisms of Cell Metabolism Regulation, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 02660, Murmanska str. 1, Kyiv, Ukraine; Laboratory of Pathological Plant Physiology, Institute of Experimental Botany AS CR, Rozvojová 263, 165 02 Prague 6 - Lysolaje, Czech Republic
| | - Yaroslav B Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, 04123, Osypovskogo 2a, Kyiv, Ukraine
| | - Vladimir A Khripach
- Laboratory of Steroid Chemistry, Institute of Bioorganic Chemistry, The National Academy of Sciences of Belarus, 220141, Kuprevich str., 5, Minsk, Belarus
| | - Volodymyr S Kravets
- Department of the Molecular Mechanisms of Cell Metabolism Regulation, V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, The National Academy of Sciences of Ukraine, 02660, Murmanska str. 1, Kyiv, Ukraine.
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8
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Hurski AL, Laktsevich-Iskryk MV, Krech AV, Zhabinskii VN, Khripach VA. Photocatalytic Stoichiometric Oxidant-Free Synthesis of Linear Unsaturated Ketones from 1,2-Disubstituted Cyclopropanols. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1706088] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
AbstractA one-step catalytic oxidant-free synthesis of unsaturated ketones from 1,2-disubstituted cyclopropanols is reported. Previously for this transformation, only two- and three-step protocols have been developed. The reaction proceeds under irradiation with visible light in the presence of catalytic amounts of both an acridinium photocatalyst and a cobaloxime complex. 2-Aryl-substituted cyclopropanols react giving α,β-unsaturated ketones, while dehydrogenative ring opening of 2-alkyl-substituted substrates affords mixtures of α,β- and β,γ-enones. The reaction starts with one-electron oxidation of a cyclopropanol to cyclopropyloxy radical, presumably, by the photoexcited acridinium catalyst. We also found that Co(dmgBF2)2(MeCN)2 complex under an air atmosphere and irradiation with blue LEDs or upon heating can serve as a hydroxycyclopropane oxidant.
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9
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Kolomeichuk LV, Efimova MV, Zlobin IE, Kreslavski VD, Murgan OK, Kovtun IS, Khripach VA, Kuznetsov VV, Allakhverdiev SI. 24-Epibrassinolide alleviates the toxic effects of NaCl on photosynthetic processes in potato plants. Photosynth Res 2020; 146:151-163. [PMID: 31939071 DOI: 10.1007/s11120-020-00708-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 01/06/2020] [Indexed: 06/10/2023]
Abstract
Brassinosteroids are promising agents for alleviating the negative effects of salinity on plants, but the mechanism of their protective action is far from being understood. We investigated the effect of pretreatment with 24-epibrassinolide (24-EBL) on the photosynthetic and physiological parameters of potato plants under progressive salinity stress caused by root application of 100 mM NaCl. Salinity clearly inhibited primary photosynthetic processes in potato plants by reducing the contents of photosynthetic pigments, photosynthetic electron transport and photosystem II (PSII) maximal and effective quantum yields. These negative effects of salinity on primary photosynthetic processes were mainly due to toxic ionic effects on the plant's ability to oxidize the plastoquinone pool. Pretreatment with 24-EBL alleviated this stress effect and allowed the maintenance of plastoquinone pool oxidation and the efficiency of photosystem II photochemistry to be at the same levels as those in unstressed plants; however, the pretreatment did not affect the photosynthetic pigment content. 24-EBL pretreatment clearly alleviated the decrease in leaf osmotic potential under salinity stress. The stress-induced increases in lipid peroxidation and proline contents were not changed under brassinosteroid pretreatment. However, 24-EBL pretreatment increased the peroxidase activity and improved the K+/Na+ ratio in potato leaves, which were likely responsible for the protective 24-EBL action under salt stress.
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Affiliation(s)
| | - Marina V Efimova
- National Research Tomsk State University, Tomsk, Russian Federation
| | - Ilya E Zlobin
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russian Federation.
| | - Vladimir D Kreslavski
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russian Federation
- Institute of Basic Biological Problems, Russian Academy of Sciences, Pushchino, Russian Federation
| | - Ol'ga K Murgan
- National Research Tomsk State University, Tomsk, Russian Federation
| | - Irina S Kovtun
- National Research Tomsk State University, Tomsk, Russian Federation
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Belarus, Belarus
| | - Vladimir V Kuznetsov
- National Research Tomsk State University, Tomsk, Russian Federation
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russian Federation
| | - Suleyman I Allakhverdiev
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russian Federation.
- Institute of Basic Biological Problems, Russian Academy of Sciences, Pushchino, Russian Federation.
- M.V. Lomonosov Moscow State University, Moscow, Russia.
- College of Science, King Saud University, Riyadh, Saudi Arabia.
- Institute of Molecular Biology and Biotechnology, ANAS, Baku, Azerbaijan.
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow, Russian Federation.
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10
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Laktsevich-Iskryk MV, Rudovich AS, Zhabinskii VN, Khripach VA, Hurski AL. A photochemical approach to 18-nor-17β-hydroxymethyl-17α-methylandrost-13-ene steroids. Steroids 2020; 159:108652. [PMID: 32360417 DOI: 10.1016/j.steroids.2020.108652] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 04/14/2020] [Accepted: 04/24/2020] [Indexed: 11/22/2022]
Abstract
A photochemical approach to 18-nor-17β-hydroxymethyl-17α-methylandrost-13-ene unit of the long-term metabolites of 17-methylated androgenic anabolic steroids (AAS) is reported. It is based on a visible light-promoted radical decarboxylative alkynylation of steroidal redox-active ester. The developed method was used in synthesis of the long-term metabolite of AAS oxymesterone.
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Affiliation(s)
- Marharyta V Laktsevich-Iskryk
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus
| | - Anton S Rudovich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus.
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus
| | - Alaksiej L Hurski
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus
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11
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Laktsevich-Iskryk MV, Varabyeva NA, Kazlova VV, Zhabinskii VN, Khripach VA, Hurski AL. Visible-Light-Promoted Catalytic Ring-Opening Isomerization of 1,2-Disubstituted Cyclopropanols to Linear Ketones. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000094] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
| | - Nastassia A. Varabyeva
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | - Volha V. Kazlova
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | - Vladimir N. Zhabinskii
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | - Alaksiej L. Hurski
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
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12
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Barysevich MV, Laktsevich-Iskryk MV, Krech AV, Zhabinskii VN, Khripach VA, Hurski AL. Palladium-Catalyzed 2-(Neopentylsulfinyl)aniline Directed C-H Acetoxylation and Alkenylation of Arylacetamides. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901646] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Maryia V. Barysevich
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | | | - Anastasiya V. Krech
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | - Vladimir N. Zhabinskii
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | - Alaksiej L. Hurski
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
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13
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Affiliation(s)
- Pavel B. Drasar
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology, Technicka 5, 166 28 Prague, Czech Republic
- Correspondence:
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, 5/2 Academician V. F. Kuprevich Street, BY-220141 Minsk, Belarus;
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14
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Scherbakov AM, Zhabinskii VN, Khripach VA, Shcherbinin DS, Mekhtiev AR, Shchegolev YY, Savochka AP, Andreeva OE. Biological Evaluation of a New Brassinosteroid: Antiproliferative Effects and Targeting Estrogen Receptor
α
Pathways. Chem Biodivers 2019; 16:e1900332. [DOI: 10.1002/cbdv.201900332] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Accepted: 08/05/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Alexander M. Scherbakov
- Department of Experimental Tumor BiologyBlokhin N.N. National Medical Research Center of Oncology Ministry of Health of Russia Kashirskoe shosse 24 115522 Moscow Russia
| | - Vladimir N. Zhabinskii
- Institute of Bioorganic ChemistryNational Academy of Sciences of Belarus Kuprevich str. 5/2 220141 Minsk Belarus
| | - Vladimir A. Khripach
- Institute of Bioorganic ChemistryNational Academy of Sciences of Belarus Kuprevich str. 5/2 220141 Minsk Belarus
| | - Dmitrii S. Shcherbinin
- Institute of Biomedical Chemistry, 10 building 8 Pogodinskaya str. 119121 Moscow Russia
- Department of Molecular TechnologiesPirogov Russian National Research Medical University 117997 Moscow Russia
| | - Arif R. Mekhtiev
- Institute of Biomedical Chemistry, 10 building 8 Pogodinskaya str. 119121 Moscow Russia
| | - Yuri Yu. Shchegolev
- Department of Experimental Tumor BiologyBlokhin N.N. National Medical Research Center of Oncology Ministry of Health of Russia Kashirskoe shosse 24 115522 Moscow Russia
| | - Aleh P. Savochka
- Institute of Bioorganic ChemistryNational Academy of Sciences of Belarus Kuprevich str. 5/2 220141 Minsk Belarus
| | - Olga E. Andreeva
- Department of Experimental Tumor BiologyBlokhin N.N. National Medical Research Center of Oncology Ministry of Health of Russia Kashirskoe shosse 24 115522 Moscow Russia
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15
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Yakimchyk VS, Kazlova VV, Hurski AL, Savchenko RG, Kostyleva SA, Zhabinskii VN, Khripach VA. Enantioselective catalytic approach to the C23-C28 subunit of 24α-methyl steroids. Steroids 2019; 148:82-90. [PMID: 31100291 DOI: 10.1016/j.steroids.2019.05.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 05/04/2019] [Accepted: 05/10/2019] [Indexed: 10/26/2022]
Abstract
Enantioselective synthesis of C23-C28 subunit of campestane steroids based on catalytic methods is reported. The synthesis was started from (S)-2-isopropyl-4-nitrobutan-1-ol, which is easily accessible by the reaction between isovaleraldehyde and nitroethylene catalyzed by only 2% of (S)-trimethylsilyldiphenylprolinol. Removal of one "extra" carbon from the nitroalcohol was achieved by Ni-catalyzed hydrodecarboxylation of the redox-active ester intermediate. The synthesized C23-C28 fragment was attached to a steroidal core by Julia-Kocienski reaction of a steroidal aldehyde with metallated C23-C28 sulfone. The obtained product of olefination was easily transformed to a precursor of campesterol and (Z)-22-dehydrocampesterol.
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Affiliation(s)
- Viktoryia S Yakimchyk
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Volha V Kazlova
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Alaksiej L Hurski
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus.
| | - Rimma G Savchenko
- Institute of Petrochemistry and Catalysis of Russian Academy of Sciences, Prosp. Oktyabrya 141, 450075 Ufa, Russian Federation.
| | - Svetlana A Kostyleva
- Institute of Petrochemistry and Catalysis of Russian Academy of Sciences, Prosp. Oktyabrya 141, 450075 Ufa, Russian Federation.
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus.
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus.
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16
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Dalidovich TS, Hurski AL, Morozevich GE, Latysheva AS, Sushko TA, Strushkevich NV, Gilep AA, Misharin AY, Zhabinskii VN, Khripach VA. New azole derivatives of [17(20)E]-21-norpregnene: Synthesis and inhibition of prostate carcinoma cell growth. Steroids 2019; 147:10-18. [PMID: 30149075 DOI: 10.1016/j.steroids.2018.08.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 08/09/2018] [Accepted: 08/14/2018] [Indexed: 11/16/2022]
Abstract
A number of isoxazole, 1,2,3-triazole, tetrazole, and 1,2,4-oxadiazole derivatives of [17(20)E]-21-norpregnene comprising 3β-hydroxy-5-ene and 3-oxo-4-ene fragments were prepared. Among the key steps for the synthesis of isoxazoles, 1,2,3-triazoles, and tetrazoles were (i) 1,3-dipolar cycloaddition of nitrile oxides or azides to acetylenes or nitriles and ii) dehydration of 17β-hydroxy-17α-methylene-azoles to [17(20)E]-21-norpregnene derivatives. 1,2,4-Oxadiazoles were prepared through the formation of acetimidamides. Potency of the synthesized compounds to inhibit CYP17A1 and to suppress growth of prostate carcinoma cells was investigated. Among the new azole derivatives, four compounds were found possessing high anti-proliferative activity.
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Affiliation(s)
- Tatsiana S Dalidovich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Alaksiej L Hurski
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | | | | | - Tatsiana A Sushko
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus; Department of Bioengineering, School of Engineering, The University of Tokyo, Japan
| | - Natallia V Strushkevich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Andrei A Gilep
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | | | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus.
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
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17
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Efimova MV, Litvinovskaya RP, Medvedeva YV, Murgan OK, Sauchuk AL, Kuznetsov VV, Khripach VA. The Endogenous Brassinosteroid Content and Balance in Potato Microclones Is Determined by Organ Specificity and the Variety Ripening Term. Dokl Biol Sci 2019; 485:33-36. [PMID: 31197590 DOI: 10.1134/s0012496619020017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 10/15/2018] [Accepted: 10/15/2018] [Indexed: 11/23/2022]
Abstract
The brassinosteroid (BS) profiles in shoots and roots of the potato plants were shown to be organ-specific and dependent on the term of variety ripening. The amount of all studied groups of steroid phytohormones proved to be an order of magnitude higher in roots than in shoots. In roots, the brassinosteroid lactones predominated, while in shoots, their biogenetic precursors, 6-ketones, were prevailing. The early-ripening variety Zhukovsky Early is characterized by a high content of almost all BS groups (first of all, brassinolide group) and a relatively high content of B-lactones in shoots. With aging, the content of B-lactones in plants decreases, while that of B-ketones grows up.
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Affiliation(s)
- M V Efimova
- National Research Tomsk State University, 634050, Tomsk, Russia.
| | - R P Litvinovskaya
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, 220141, Minsk, Belarus
| | - Yu V Medvedeva
- National Research Tomsk State University, 634050, Tomsk, Russia
| | - O K Murgan
- National Research Tomsk State University, 634050, Tomsk, Russia
| | - A L Sauchuk
- National Research Tomsk State University, 634050, Tomsk, Russia
| | - V V Kuznetsov
- National Research Tomsk State University, 634050, Tomsk, Russia.,Timiryazev Institute of Plant Physiology, Russian Academy of Science, 127276, Moscow, Russia
| | - V A Khripach
- National Research Tomsk State University, 634050, Tomsk, Russia.,Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, 220141, Minsk, Belarus
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18
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Hurski AL, Kukel AG, Liubina AI, Baradzenka AG, Straltsova D, Demidchik V, Drašar P, Zhabinskii VN, Khripach VA. Regio- and stereoselective C-H functionalization of brassinosteroids. Steroids 2019; 146:92-98. [PMID: 30951761 DOI: 10.1016/j.steroids.2019.03.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 03/15/2019] [Accepted: 03/28/2019] [Indexed: 10/27/2022]
Abstract
Late stage CH functionalization is a powerful tool for modification of natural compounds. Herein we report that the rhodium-catalyzed reaction of brassinosteroids with aryloxysulfonamides proceeds regio- and stereoselectively at C15 position. The derivative obtained from 24-epibrassinolide was easily transformed to the conjugate with a BODIPY dye bearing unaffected functional groups of the native brassinosteroid.
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Affiliation(s)
- Alaksiej L Hurski
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus.
| | - Aliaksandr G Kukel
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
| | - Aliaksandra I Liubina
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
| | - Aliona G Baradzenka
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
| | - Darya Straltsova
- Department of Plant Cell Biology and Bioengineering, Biological Faculty, Belarusian State University, Minsk, Belarus
| | - Vadim Demidchik
- Department of Plant Cell Biology and Bioengineering, Biological Faculty, Belarusian State University, Minsk, Belarus
| | - Pavel Drašar
- University of Chemistry and Technology, Technická 5, CZ-166 28 Praha 6, Czech Republic
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
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19
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Efimova MV, Khripach VA, Boyko EV, Malofii MK, Kolomeichuk LV, Murgan OK, Vidershpun AN, Mukhamatdinova EA, Kuznetsov VV. The Priming of Potato Plants Induced by Brassinosteroids Reduces Oxidative Stress and Increases Salt Tolerance. Dokl Biol Sci 2018. [PMID: 29536405 DOI: 10.1134/s0012496618010106] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
This is the first study to show that brief pretreatment of potato plants with two brassinosteroids differing in structure causes in plants the ability to react to delayed salt stress by accumulation of compounds with antioxidant activity and by increased salt tolerance.
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Affiliation(s)
- M V Efimova
- Tomsk State University, Tomsk, 634050, Russia.
| | - V A Khripach
- Tomsk State University, Tomsk, 634050, Russia.,Institute of Bioorganic Chemistry, National Belarus Academy of Sciences, Minsk, 220141, Russia
| | - E V Boyko
- Tomsk State University, Tomsk, 634050, Russia
| | - M K Malofii
- Tomsk State University, Tomsk, 634050, Russia
| | | | - O K Murgan
- Tomsk State University, Tomsk, 634050, Russia
| | | | | | - V V Kuznetsov
- Tomsk State University, Tomsk, 634050, Russia.,Institute of Plant Physiology, Russian Academy of Sciences, Moscow, 127276, Russia
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20
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Barysevich MV, Kazlova VV, Kukel AG, Liubina AI, Hurski AL, Zhabinskii VN, Khripach VA. Stereoselective synthesis of α-methyl and α-alkyl ketones from esters and alkenes via cyclopropanol intermediates. Chem Commun (Camb) 2018; 54:2800-2803. [PMID: 29489006 DOI: 10.1039/c8cc00888d] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Alkenes bearing a stereocenter in the allylic position were found to undergo Kulinkovich hydroxycyclopropanation with good diastereoselectivity. For the isomerization of the resulting cyclopropanols to diastereomerically enriched α-methyl ketones, a new mild regioselective method has been developed. A sequence of stereoselective cyclopropanation and cyclopropanol ring opening was successfully employed for the construction of the C20 stereocenter in steroids.
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Affiliation(s)
- Maryia V Barysevich
- Laboratory of Steroids, Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich 5/2, Minsk 220141, Belarus.
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21
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Zhabinskii VN, Osiyuk DA, Ermolovich YV, Chaschina NM, Dalidovich TS, Strnad M, Khripach VA. Synthesis of ergostane-type brassinosteroids with modifications in ring A. Beilstein J Org Chem 2017; 13:2326-2331. [PMID: 29181112 PMCID: PMC5687004 DOI: 10.3762/bjoc.13.229] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 10/10/2017] [Indexed: 11/23/2022] Open
Abstract
Herein, we present a new strategy for the preparation of a broad range of brassinosteroid biosynthetic precursors/metabolites differing by the ring A fragment. The protocol is based on the use of readily available phytohormones of this class bearing a 2α,3α-diol moiety (epibrassinolide or epicastasterone) as starting materials. The required functionalities (Δ2-, 2α,3α- and 2β,3β-epoxy-, 2α,3β-, 2β,3α-, and 2β,3β-dihydroxy-, 3-keto-, 3α- and 3β-hydroxy-, 2α-hydroxy-3-keto-) were synthesized from 2α,3α-diols in a few simple steps (Corey-Winter reaction, epoxidation, oxidation, hydride reduction, etc.).
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Affiliation(s)
- Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus
| | - Darya A Osiyuk
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus
| | - Yuri V Ermolovich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus
| | - Natalia M Chaschina
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus
| | - Tatsiana S Dalidovich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus
| | - Miroslav Strnad
- Laboratory of Growth Regulators, Centre of the Region Haná for Biotechnological and Agricultural Research, Institute of Experimental Botany ASCR & Palacký University, Šlechtitelů 27, CZ-783 71 Olomouc, Czech Republic
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus
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22
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Zhylitskaya HA, Chashchina NM, Litvinovskaya RP, Zavadskaya MI, Zhabinskii VN, Khripach VA. Synthesis of sulfated brassinosteroids. Steroids 2017; 117:2-10. [PMID: 27323277 DOI: 10.1016/j.steroids.2016.06.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 05/27/2016] [Accepted: 06/09/2016] [Indexed: 11/17/2022]
Abstract
A number of water soluble sulfates of 24-epibrassinolide including the 2α,3α-disulfate and all possible monosulfates were synthesized. The target compounds were isolated in crystalline form as the corresponding sodium salts. Pyridine-sulfur trioxide complex was used as sulfating agent followed by transformation of the resulting pyridinium salts into the sodium sulfates by treatment with NaOH. The control of the regioselectivity was achieved by an appropriate use of acetyl and benzyl protecting groups.
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Affiliation(s)
- Halina A Zhylitskaya
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str. 5/2, 220141 Minsk, Belarus
| | - Natalia M Chashchina
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str. 5/2, 220141 Minsk, Belarus
| | - Raisa P Litvinovskaya
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str. 5/2, 220141 Minsk, Belarus
| | - Margarita I Zavadskaya
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str. 5/2, 220141 Minsk, Belarus
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str. 5/2, 220141 Minsk, Belarus.
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str. 5/2, 220141 Minsk, Belarus
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23
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Kisselev PA, Panibrat OV, Sysa AR, Anisovich MV, Zhabinskii VN, Khripach VA. Flow-cytometric analysis of reactive oxygen species in cancer cells under treatment with brassinosteroids. Steroids 2017; 117:11-15. [PMID: 27343978 DOI: 10.1016/j.steroids.2016.06.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 06/14/2016] [Accepted: 06/20/2016] [Indexed: 12/19/2022]
Abstract
To explore the underlying mechanism of cancer cell growth inhibition by brassinosteroids (BS), reactive oxygen species (ROS) generation under treatment with 28-homocastasterone and its synthetic derivatives (22S,23S)-28-homocastasterone was measured in A549 human lung adenocarcinoma cells. BS induced ROS generation in A549 cells and their growth in a time and dose-dependent manner. The maximal effect was observed for (22S,23S)-28-homocastasterone which at 30μM concentration showed a 6-fold increase of ROS generation in comparison with the control.
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Affiliation(s)
- Pyotr A Kisselev
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Olesya V Panibrat
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Aliaksei R Sysa
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Marina V Anisovich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus.
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
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24
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Affiliation(s)
| | - Pavel B Drašar
- Department of Chemistry of Natural Products, UCT Prague, CZ 166 28 Praha 3, Czech Republic
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25
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Hurski AL, Barysevich MV, Dalidovich TS, Iskryk MV, Kolasava NU, Zhabinskii VN, Khripach VA. C−H Acetoxylation-Based Chemical Synthesis of 17 β-Hydroxymethyl-17 α-methyl-18-norandrost-13-ene Steroids. Chemistry 2016; 22:14171-4. [DOI: 10.1002/chem.201602957] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Alaksiej L. Hurski
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Maryia V. Barysevich
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Tatsiana S. Dalidovich
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Marharyta V. Iskryk
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Nastassia U. Kolasava
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Vladimir N. Zhabinskii
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
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26
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Zhabinskii VN, Gulyakevich OV, Kurman PV, Shabunya PS, Fatykhava SA, Khripach VA. An improved synthesis of [26-2H3]castasterone. J Labelled Comp Radiopharm 2015; 58:469-72. [DOI: 10.1002/jlcr.3353] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 07/16/2015] [Accepted: 09/23/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Vladimir N. Zhabinskii
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Olga V. Gulyakevich
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Peter V. Kurman
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Polina S. Shabunya
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Svetlana A. Fatykhava
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str., 5/2 220141 Minsk Belarus
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27
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Malachowska-Ugarte M, Sperduto C, Ermolovich YV, Sauchuk AL, Jurášek M, Litvinovskaya RP, Straltsova D, Smolich I, Zhabinskii VN, Drašar P, Demidchik V, Khripach VA. Brassinosteroid-BODIPY conjugates: Design, synthesis, and properties. Steroids 2015. [PMID: 26210210 DOI: 10.1016/j.steroids.2015.07.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Three BS-BODIPY (brassinosteroids-4,4-difluoro-4-bora-3a,4a-diaza-s-indacene) conjugates were synthesized and their fluorescent and immunological properties were investigated. Two of the conjugates, having present all the functional groups characteristic of BS, were shown to be potentially useful as biological probes to study involvement of BS into physiological processes in living cells.
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Affiliation(s)
- Magdalena Malachowska-Ugarte
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus; University of Chemistry and Technology, Technická 5, CZ-166 28 Praha 6, Czech Republic
| | - Claudio Sperduto
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus; University of Chemistry and Technology, Technická 5, CZ-166 28 Praha 6, Czech Republic
| | - Yuri V Ermolovich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Alina L Sauchuk
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Michal Jurášek
- University of Chemistry and Technology, Technická 5, CZ-166 28 Praha 6, Czech Republic
| | - Raisa P Litvinovskaya
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Darya Straltsova
- Department of Plant Cell Biology and Bioengineering, Biological Faculty, Belarusian State University, Minsk, Belarus
| | - Igor Smolich
- Department of Plant Cell Biology and Bioengineering, Biological Faculty, Belarusian State University, Minsk, Belarus
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus.
| | - Pavel Drašar
- University of Chemistry and Technology, Technická 5, CZ-166 28 Praha 6, Czech Republic
| | - Vadim Demidchik
- Department of Plant Cell Biology and Bioengineering, Biological Faculty, Belarusian State University, Minsk, Belarus
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
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28
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Baradzenka AG, Barysau BM, Hurski AL, Zhabinskii VN, Khripach VA. Synthesis of brassinosteroids with a keto group in the side chain. Steroids 2015; 101:90-5. [PMID: 26079654 DOI: 10.1016/j.steroids.2015.06.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 04/01/2015] [Accepted: 06/05/2015] [Indexed: 11/20/2022]
Abstract
The aim of this work was to prepare 24-epicryptolide and 22-dehydro-24-epibrassinolide as possible metabolites of 24-epibrassinolide. The main synthetic problem to be solved was the differentiation of functional groups in brassinosteroids. Distinguishing 2α,3α-diol function from another diol group in 24-epibrassinolide was achieved via selective hydrolysis of 2α,3α-cyclic carbonate or via regioselective reaction of boric acid with the functional groups in the side chain. The hydroxyl at C-23 was more reactive than the 22-OH in the oxidation with bromine in the presence of bis(tributyltin) oxide and in the benzylation reaction that resulted in the predominant formation of the corresponding α-hydroxy ketone derivatives with the ratio ranging from 4:1 to 1.5:1.
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Affiliation(s)
- Aliona G Baradzenka
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Barys M Barysau
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Alaksiej L Hurski
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus.
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
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29
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Alshakova ID, Ermolovich YV, Zhabinskii VN, Khripach VA. A new synthesis of brassinosteroids with a cholestane framework based on a highly functionalized starting material. Steroids 2015; 97:72-7. [PMID: 25194458 DOI: 10.1016/j.steroids.2014.08.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 08/01/2014] [Accepted: 08/11/2014] [Indexed: 10/24/2022]
Abstract
A new route to the synthesis of minor brassinosteroids with a cholestane framework (28-norcastasterone and 28-norbrassinolide) has been proposed. It makes use of commercially available 24-epicastasterone as a starting material. In addition, [26,26,26-(2)H3]-28-norcastasterone and [26,26,26-(2)H3]-28-norbrassinolide have been prepared as tools for analytical applications. The key steps were regioselective manipulations of functional groups in 24-epicastasterone, oxidative cleavage of 22,23-diol group and Claisen rearrangement.
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Affiliation(s)
- Irina D Alshakova
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Yuri V Ermolovich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus.
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30
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Abstract
Brassinosteroids (BS) are the first group of steroid-hormonal compounds isolated from and acting in plants. Among numerous physiological effects of BS growth stimulation and adaptogenic activities are especially remarkable. In this review, we provide evidence that BS possess similar types of activity also beyond plant kingdom at concentrations comparable with those for plants. This finding allows looking at steroids from a new point of view: how common are the mechanisms of steroid bioregulation in different types of organisms from protozoa to higher animals.
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Affiliation(s)
- Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus.
| | - Natalia B Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
| | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
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31
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Pradko AG, Litvinovskaya RP, Sauchuk AL, Drach SV, Baranovsky AV, Zhabinskii VN, Mirantsova TV, Khripach VA. A new ELISA for quantification of brassinosteroids in plants. Steroids 2015; 97:78-86. [PMID: 25201263 DOI: 10.1016/j.steroids.2014.08.022] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Revised: 08/01/2014] [Accepted: 08/22/2014] [Indexed: 11/25/2022]
Abstract
Starting from (22R,23R)-2α,3α,22,23,26-pentahydroxy-5α-cholestan-6-one 26-hemisuccinate, conjugates of 28-norcastasterone with horse radish peroxidase and bovine serum albumin were prepared. The latter conjugate was injected into rabbits; produced polyclonal antibodies were used to quantitate 6-keto-brassinosteroids. The newly developed analytical system was used in combination with two other immunoenzymatic assays for brassinosteroids to determine individual compounds of this series. In addition, a direct method of brassinosteroid analysis was proposed. It has the advantage of requiring no sample pretreatment steps such as extraction with organic solvents and chromatography.
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Affiliation(s)
| | - Raisa P Litvinovskaya
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
| | - Alina L Sauchuk
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
| | - Svetlana V Drach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
| | - Alexander V Baranovsky
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
| | - Vladimir N Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus
| | | | - Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich St., 5/2, 220141 Minsk, Belarus.
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32
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Kolupaev IE, Vaĭner AA, Iastreb TO, Oboznyĭ AI, Khripach VA. [The role of reactive oxygen species and calcium ions in the implementation of the stress-protective effect of brassinosteroids on plant cells]. ACTA ACUST UNITED AC 2015; 50:593-8. [PMID: 25726668 DOI: 10.7868/s0555109914060075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The effect of the brassinosteroids (BS) 24-epibrassiniolide and 24-epicastasterone on the thermoresistance of wheat coleoptile (Triticum aestivum L.) and their generation of the superoxide anion radical and antioxidant enzymes activity were investigated. The treatment of coleoptiles with 10 nM solutions of BS caused a transient increase in O2·- generation and a subsequent increase in the activity of superoxide dismutase and catalase and an improvement in heat resistance. Pretreatment of coleoptiles with the NADPH oxidase inhibitor imidazole leveled the increase in production of the superoxide anion radical and prevented an increase in the activity of antioxidant enzymes and the development of cell thermostability. The investigated effects of BS were also depressed by the pretreatment of coleoptile segments with extracellular calcium chelator EGTA and inhibitor of ADP-ribosyl cyclase nicotinamide. A conclusion was made about the participation of calcium ions and reactive oxygen species generated by the action of NADPH oxidase in the implementation of the stress-protective effect of the BS in the cells of wheat coleoptile.
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33
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Ermolovich YV, Zhabinskii VN, Khripach VA. Formation of the steroidal C-25 chiral center via the asymmetric alkylation methodology. Org Biomol Chem 2015; 13:776-82. [PMID: 25388008 DOI: 10.1039/c4ob02123a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel approach for the preparation of steroids containing a chiral center at C-25 is reported. The key stereochemistry inducing step was asymmetric alkylation of pseudoephenamine amides of steroidal C-26 acids. The reaction proceeded with high diastereoselectivity (dr > 99 : 1). The developed methodology was successfully applied to the synthesis of (25R)- and (25S)-cholestenoic acids as well as (25R)- and (25S)-26-hydroxy brassinolides.
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Affiliation(s)
- Yu V Ermolovich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich st., 5/2, 220141 Minsk, Belarus.
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34
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Kolupaev YE, Vayner AA, Yastreb TO, Oboznyi AI, Khripach VA. [Role of Ca ions in the induction of heat-resistance of wheat coleoptiles by brassinosteroids]. Ukr Biochem J 2015; 87:127-133. [PMID: 26036139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023] Open
Abstract
The involvement of Ca2+ into the signal transduction of exogenous brassinosteroids (BS) (24-epi-brassinolide-24-EBL and 24-epicastasterone-24-ECS) causing the increase of heat resistance of the cells of wheat (Triticum aestivum L.) coleoptiles was investigated using calcium chelator EGTA and inhibitor of phosphatidylinositol-specific phospholipase C--neomycin. Twenty-four-hour treatment of coleoptile segments with 10 nM solutions of 24-EBL and 24-ECS led to a transient increase in the generation of superoxide anion radical by cell surface and the subsequent activation of superoxide dismutase and catalase. Pretreatment of coleoptiles with EGTA and neomycin depressed to a considerable extent these effects and leveled the increase in heat resistance of wheat coleoptiles that were caused by BS. Possible mechanisms of involvement of calcium signaling into the formation of reactive oxygen species in plant cells and induction of heat resistance of plant cells by the action of exogenous BS have been discussed.
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35
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Antonchick AP, Svatoš A, Konstantinova OV, Zhabinskii VN, Khripach VA, Schneider B. Reversible Conversion In The Brassinosteroid Quartet Castasterone, Brassinolide And Their 3β-Epimers. ACTA ACUST UNITED AC 2014. [DOI: 10.1515/znb-2006-0817] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The metabolism of deuterated brassinosteroids has been studied in excised leaves of Secale cereale, and in vitro in seedlings of Arabidopsis thaliana and cell suspension cultures of Lycopersicon esculentum. In addition to the known biosynthetic conversion of castasterone to brassinolide and epimerization to 3-epicastasterone, inversion of the 3α-configured hydroxyl group of brassinolide to a 3β -configured one in 3-epibrassinolide has been observed using liquid chromatography (HPLC) with electrospray ionization (ESI) and selected ion-monitoring mass-spectrometry (SIM-MS). Administration of deuterated 3-epicastasterone and 3-epibrassinolide to Arabidopsis and Secale seedlings resulted in the formation of castasterone and brassinolide, respectively, indicating conversion of configuration at C-3 of brassinosteroids is reversible
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Affiliation(s)
- Andrey P. Antonchick
- Max-Planck-Institute for Chemical Ecology, Beutenberg-Campus, Hans-Knöll-Str. 8, D-07745 Jena, Germany
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Aleš Svatoš
- Max-Planck-Institute for Chemical Ecology, Beutenberg-Campus, Hans-Knöll-Str. 8, D-07745 Jena, Germany
| | - Olga V. Konstantinova
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Vladimir N. Zhabinskii
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
| | - Bernd Schneider
- Max-Planck-Institute for Chemical Ecology, Beutenberg-Campus, Hans-Knöll-Str. 8, D-07745 Jena, Germany
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36
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Khripach VA, Zhabinskii VN, Tsavlovskii DV. Synthesis of fatty acyl derivatives of 24-epibrassinolide. J Steroid Biochem Mol Biol 2013; 137:345-54. [PMID: 23415869 DOI: 10.1016/j.jsbmb.2013.01.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Revised: 01/15/2013] [Accepted: 01/31/2013] [Indexed: 11/22/2022]
Abstract
A number of fatty acid (palmitic, myristic and lauric) esters (both 3α- and 3β-isomers) of epibrassinolide has been prepared as reference compounds for metabolic studies. Selective protection of the three of four hydroxyl groups of epibrassinolide was successively performed first as cyclic 22,23-methylboronates and then as 2α-benzyl ethers. α,β-Inversion of C-3 hydroxyl group was achieved through a consecutive oxidation-reduction reactions or by a nucleophilic substitution of the 3α-mesylates. Treatment of the 3α- and 3β-alcohols with palmitic, myristinic or lauric acid chlorides gave the corresponding esters. The hydrolysis of 22,23-methylboronates was performed after their transformation into 2-hydroxy-1,3,2-dioxaborolanes using a cation exchange column with DOWEX 50WX8 in NH4(+) form. Hydrogenolysis of the benzyl ethers catalyzed by palladium yielded the target compounds. This article is part of a Special Issue entitled "Synthesis and biological testing of steroid derivatives as inhibitors".
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Affiliation(s)
- Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus.
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37
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Ermolovich YV, Zhabinskii VN, Khripach VA. 1,4-Chirality transfer via the ester enolate Claisen rearrangements in the preparation of (25R)- and (25S)-cholestenoic acids. Steroids 2013; 78:683-92. [PMID: 23583600 DOI: 10.1016/j.steroids.2013.03.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Revised: 02/26/2013] [Accepted: 03/27/2013] [Indexed: 10/27/2022]
Abstract
Two variants of the Claisen rearrangement were evaluated for a stereoselective construction of a C-25 stereogenic center in cholestenoic acids based on 1,4-chirality transfer. Johnson orthoester Claisen rearrangement of (22R)- and (22S)-propargyl enol ethers proceeded in a highly stereoselective manner to give (25R)- and (25S)-isomeric allenes. The stereochemical outcome of the Ireland-Claisen rearrangement of 22-allylic alcohols was dependent on the configuration of the C-22 hydroxyl group and the geometry of the enol ether. The latter could be controlled by the solvent (THF or a mixture of THF/HMPA) chosen for the generation of silyl enolate.
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Affiliation(s)
- Yurii V Ermolovich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str. 5/2, 220141 Minsk, Belarus
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38
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Khripach VA, Tarkowská D, Zhabinskii VN, Gulyakevich OV, Ermolovich YV, Drašar P, Strnad M. Synthesis and Mass Spectral Fragmentation Patterns of Brassinolide Early Biosynthetic Precursors Labeled at C-26. Nat Prod Commun 2013. [DOI: 10.1177/1934578x1300800622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
New analogues of brassinolide biosynthetic precursors with three deuterium atoms at non-exchangeable positions have been synthesized to be used as standards for quantification of natural brassinosteroids by liquid chromatography-mass spectrometry. [26-2H3](22 R,23 R,24 S)-22,23-Dihydroxy-6β-methoxy-24-methyl-3α,5-cyclo-5α-cholestane was used as a starting material for the preparation of campestane derivatives having a 22 R,23 R-diol functionality and either a hydroxy or keto group at C-3 and labeled at C-26. The mass spectrometric behavior of the newly synthesized compounds has been studied.
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Affiliation(s)
- Vladimir A. Khripach
- Laboratory of Steroid Chemistry, Institute of Bioorganic Chemistry, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Danuše Tarkowská
- Laboratory of Growth Regulators, Palacký University & Institute of Experimental Botany ASCR, v.v.i., Šlechtitelů 11, CZ-78371 Olomouc, Czech Republic
| | - Vladimir N. Zhabinskii
- Laboratory of Steroid Chemistry, Institute of Bioorganic Chemistry, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Olga V. Gulyakevich
- Laboratory of Steroid Chemistry, Institute of Bioorganic Chemistry, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Yurii V. Ermolovich
- Laboratory of Steroid Chemistry, Institute of Bioorganic Chemistry, Kuprevich str., 5/2, 220141 Minsk, Belarus
| | - Pavel Drašar
- Institute of Chemical Technology, Technická 5, CZ-166 28 Praha 6, Czech Republic
| | - Miroslav Strnad
- Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science, Palacký University, Šlechtitelů 21, CZ-783 71 Olomouc, Czech Republic
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39
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Baranovsky AV, Bolibrukh DA, Khripach VA, Schneider B. Diels-Alder reaction of androsta-14,16-dien-17-yl acetates with nitroethylene: product distribution and selected adduct transformations. Steroids 2013; 78:282-7. [PMID: 23261956 DOI: 10.1016/j.steroids.2012.11.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2012] [Revised: 11/14/2012] [Accepted: 11/21/2012] [Indexed: 11/30/2022]
Abstract
The Diels-Alder cycloaddition of nitroethylene to some androsta-14,16-dien-17-yl acetates has been studied. The addition occurs stereoselectively, giving predominantly head-to-head-adduct. 14β-Cyanomethyl steroids were obtained via the reductive cleavage reaction of bridged nitro compounds. The structures of the new compounds have been fully characterized by 2D NMR and tandem mass-spectrometry methods.
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Affiliation(s)
- Alexander V Baranovsky
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Minsk, Belarus.
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40
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Zhylitskaya HA, Zhabinskii VN, Litvinovskaya RP, Lettieri R, Monti D, Venanzi M, Khripach VA, Drašar P. Design and studies of novel polyoxysterol-based porphyrin conjugates. Steroids 2012; 77:1169-75. [PMID: 22824291 DOI: 10.1016/j.steroids.2012.07.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2012] [Revised: 06/28/2012] [Accepted: 07/03/2012] [Indexed: 01/15/2023]
Abstract
New types of steroid-porphyrin conjugates derived from 20-hydroxyecdysone (20E) and 24-epibrassinolide (EBl) were synthesized. An exceptional regioselectivity in the reaction of both steroids with porphyrin boronic acids was found to give side-chain-conjugated boronic esters as sole products. UV-Vis-, fluorescence and NMR spectroscopy yielded similar data for all the studied compounds confirming the solvent driven supramolecular assembly with formation of J-aggregates. CD measurements of water diluted solutions showed a clear difference between 20E and EBl conjugates. The latter showed a strong supramolecular chirality, whereas 20E J-aggregates did not.
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Affiliation(s)
- Halina A Zhylitskaya
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus
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41
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Efimova MV, Kusnetsov VV, Kravtsov AK, Karnachuk RA, Khripach VA, Kuznetsov VV. Regulation of the transcription of plastid genes in plants by brassinosteroids. Dokl Biol Sci 2012; 445:272-275. [PMID: 22945534 DOI: 10.1134/s0012496612040199] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2012] [Indexed: 06/01/2023]
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42
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Hurski AL, Zhabinskii VN, Khripach VA. A new approach to the side chain formation of 24-alkyl-22-hydroxy steroids: application to the preparation of early brassinolide biosynthetic precursors. Steroids 2012; 77:780-90. [PMID: 22487564 DOI: 10.1016/j.steroids.2012.03.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2012] [Revised: 03/19/2012] [Accepted: 03/21/2012] [Indexed: 11/26/2022]
Abstract
A new synthetic route to 22S-hydroxy-24R-methyl steroids has been developed and applied for the preparation of cathasterone, (22S)-hydroxycampesterol, and 6-deoxocathasterone, which are precursors in the early stages of the biosynthesis of brassinolide. The construction of the steroid side chain with the correct stereochemistry at C-24 is based on the use of Claisen rearrangement. The introduction of the 22-hydroxyl group has been achieved by epoxidation of the Δ(22)-double bond, nucleophilic opening of the intermediate mesyl epoxide with sodium sulfide, and desulfurization of the formed tetrahydrothiophenes with Raney nickel.
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Affiliation(s)
- Alaksiej L Hurski
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich Str., 5/2, 220141 Minsk, Belarus
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Khripach VA, Zhabinskii VN, Gulyakevich OV, Ermolovich YV, Konstantinova OV. Synthesis of deuterium-labeled (24R)-methyl brassinosteroids. J Labelled Comp Radiopharm 2011. [DOI: 10.1002/jlcr.1874] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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44
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Affiliation(s)
- Vladimir A. Khripach
- a Institute of Bioorganic Chemistry , National Academy of Sciences of Belarus , Minsk, Belarus
| | - Vladimir N. Zhabinskii
- a Institute of Bioorganic Chemistry , National Academy of Sciences of Belarus , Minsk, Belarus
| | - Yurii V. Ermolovich
- a Institute of Bioorganic Chemistry , National Academy of Sciences of Belarus , Minsk, Belarus
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45
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Khripach VA, Zhabinskii VN, Ivanova GV, Fando GP, Tsavlovskii DV, Khripach NB, Lyakhov AS, Misharin AY. NMR and X-ray studies of isomeric 22,23-dihydroxy stigmastanes. J Mol Struct 2010. [DOI: 10.1016/j.molstruc.2010.04.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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46
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Misharin AY, Mehtiev AR, Zhabinskii VN, Khripach VA, Timofeev VP, Tkachev YV. Toxicity of (22R,23R)-22,23-dihydroxystigmastane derivatives to cultured cancer cells. Steroids 2010; 75:287-94. [PMID: 20096295 DOI: 10.1016/j.steroids.2010.01.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2009] [Revised: 01/07/2010] [Accepted: 01/11/2010] [Indexed: 11/30/2022]
Abstract
Toxicity of eight 22,23-dihydroxystigmastane derivatives (four pairs of (22R,23R)- and (22S,23S)-isomers differing in steroid backbone structure) to human breast carcinoma MCF-7 cells was compared. For every pair of structurally related compounds, (22R,23R) isomer was found to be significantly more toxic than (22S,23S) isomer. Computational analysis showed that side chain of (22R,23R)-22,23-dihydroxystigmastane derivatives is rigid, whereas that of (22S,23S)-isomers is rather flexible. Structure of steroid backbone significantly affects cytotoxicity of (22R,23R)-22,23-dihydroxystigmastane derivatives to human breast carcinoma MCF-7 cells, human ovary carcinoma CaOv cells, and human prostate carcinoma LnCaP cells. (22R,23R)-3beta,22,23-trihydroxystigmast-5-ene and (22R,23R)-3beta,22,23-trihydroxystigmast-5-en-7-one, both comprising equatorial 3beta-hydroxyl group, exhibited the highest cytotoxicity, while the most polar 28-homobrassinolide and 28-homocastasterone, both comprising 2alpha,3alpha-dihydroxy groups, exhibited the lowest toxicity. Binding of (22R,23R)-22,23-dihydroxystigmastane derivatives to plasmatic membrane was suggested to be important for cytotoxicity.
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Drach SV, Khripach VA, Litvinovskaya RP, Lyakhov AS, Schneider B, Zhylitskaya HA. Stereoselective synthesis of 9alpha-hydroxylated ecdysteroids. Steroids 2010; 75:184-8. [PMID: 19913044 DOI: 10.1016/j.steroids.2009.10.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2009] [Revised: 10/17/2009] [Accepted: 10/29/2009] [Indexed: 10/20/2022]
Abstract
Treatment of ecdysteroids with excess of TBAF in THF was shown to proceed with stereoselective oxidation at the 9alpha position of the carbon skeleton. The stereochemistry of the products was confirmed by X-ray analysis. Using this method, 9alpha-hydroxyecdysteroids were obtained in good yield. The results open a route to novel type of natural and modified steroids that are difficult to access otherwise.
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Affiliation(s)
- Svetlana V Drach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Laboratory of Steroid Chemistry, Kuprevich St. 5/2, 220141 Minsk, Belarus
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Sysa AG, Kiselev PA, Zhabinskiĭ VN, Khripach VA. [Effect of the structure of the brassinosteroid side chain on monooxygenase activity of liver microsomes]. Prikl Biokhim Mikrobiol 2010; 46:29-34. [PMID: 20198913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Possible pathways by which brassinosteroids affect the monooxygenase enzymatic system of mammalian liver microsomes, which is involved in the transformation of a broad spectrum of xenobiotics, were studied. The role of the structure of the side chain of brassinosteroids in the regulation of monooxygenase activity was studied using two natural compounds (24-epibrassinolide and 28-homobrassinolide) and two synthetic analogues, (22S, 23S-dihydroxy) stereoisomers. The results of this study show that brassinosteroids can directly influence the functioning of the microsomal enzymatic system. It was found that the degree of this influence depends on the side chain structure. This suggests the possibility of targeted modification of natural compounds to ensure the desired physiological effects.
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Khripach VA, Zhabinskii VN, Zhiburtovich YY, Ivanova GV, Konstantinova OV, Tsavlovskii DV, Lorenz S, Schneider B. Preparation and synthetic application of partially protected brassinosteroids. Steroids 2010; 75:27-33. [PMID: 19786042 DOI: 10.1016/j.steroids.2009.09.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2009] [Revised: 09/10/2009] [Accepted: 09/20/2009] [Indexed: 11/23/2022]
Abstract
Preparation of partially protected brassinosteroids is achieved through the reaction of the source material (24-epicastasterone and 24-epibrassinolide) with diol-specific reagents (2,2-dimethoxypropane and methylboronic acid). The obtained products were shown to be useful synthetic intermediates for further preparation of minor representatives of this class of natural phytohormones (such as 3,24-diepicastasterone and 3-dehydro-24-epibrassinolide).
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Affiliation(s)
- Vladimir A Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Kuprevich str., 5/2, 220141 Minsk, Belarus.
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Khripach VA, Zhabinskiĭ VN, Parkhimovich KV, Gyliakevich OV. [Synthesis of brassinolide and its biosynthetic precursors using methyl-3-hydroxy-2-methylpropionate]. Bioorg Khim 2009; 35:260-9. [PMID: 19537178 DOI: 10.1134/s1068162009020137] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Formal synthesis of plant hormones that belong to the group of 24alpha-methylbrassinosteroids, including brassinolide and its biosynthetic precursors with one hydroxyl group in their side chain, was performed. Stereochemistry of a methyl group at the C24 atom was provided by the choice of the desired enanthiomer of methyl-3-hydroxy-2-methylpropionate and by the sequence of its conversions into the chiral intermediate that was necessary for the formation of the C23-C28 fragment of the side chain. The (22R,23R)-diol group was introduced by the Sharpless asymmetric dihydroxylation of the intermediate delta22-steroids, the products of consecutive reactions of attachment of a low-molecular sulfone to the steroid C22-aldehyde, acetylation, and reductive desulfurization of the intermediate beta-acetoxysulfones. Reduction of 22-acetoxy-23,25-disulfones was shown to proceed with the preservation of the functional group at atom C22.
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