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Fabisiak A, Brzeminski P, Berkowska K, Rárová L, Marcinkowska E, Sicinski RR. Design, synthesis and biological evaluation of novel 2-alkylidene 19-norcalcitriol analogs. Bioorg Chem 2020; 101:104013. [PMID: 32629275 DOI: 10.1016/j.bioorg.2020.104013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/08/2020] [Accepted: 06/09/2020] [Indexed: 11/30/2022]
Abstract
Continuing our studies aimed at A-ring modified vitamin D compounds, we designed novel 19-norcalcitriol derivatives bearing at C-2 pegylated chains of different lengths. The terminal fragments of these substituents contain hydroxyls or moieties possessing nitrogen and/or sulfur atoms capable of transition metal ions complexation. Also, two conjugate-type platinum(II) complexes of 19-norcalcitriol were obtained in which l-methionine served as chelating moiety. The convergent synthesis of the target 19-norcalcitriol analogs involved several steps with the crucial one being condensation of A-ring phosphine oxide and the known Grundmann ketone by Wittig-Horner reaction. Further elaboration of the 2-alkylidene substituent provided all final compounds which were then tested to determine their affinity for the vitamin D receptor and cytotoxic activity.
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Affiliation(s)
- Adrian Fabisiak
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Pawel Brzeminski
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Klaudia Berkowska
- Department of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383 Wroclaw, Poland
| | - Lucie Rárová
- Laboratory of Growth Regulators, Institute of Experimental Botany of the Czech Academy of Sciences & Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic
| | - Ewa Marcinkowska
- Department of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383 Wroclaw, Poland
| | - Rafal R Sicinski
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland.
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Fabisiak A, Brzeminski P, Berkowska K, Marcinkowska E, Sicinski RR. Synthesis of 19-norcalcitriol analogs with pegylated alkylidene chains at C-2. J Steroid Biochem Mol Biol 2019; 185:251-255. [PMID: 30244047 DOI: 10.1016/j.jsbmb.2018.09.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 09/05/2018] [Accepted: 09/18/2018] [Indexed: 12/17/2022]
Abstract
The results presented in this paper constitute an extension of our synthetic efforts focused on 19-norvitamin D compounds possessing elongated 2-alkylidene substituents. Based on our previous results, molecular modeling studies, and docking experiments, we selected a novel 19-norcalcitriol analog with long chain at C-2 containing several ether moieties and terminated by 2-(pyridin-2'-yl)ethylamino fragment. It was expected that such structural modification might allow binding of transition metal by the ligand, increase solubility of the formed complexes as well as improve their affinity to the VDR. For comparison, a 19-norcalcitriol analog was also obtained with the terminal hydroxyl group at its pegylated 2-alkylidene substituent. The synthesis of the target vitamin D compounds described in this work was performed using the Wittig-Horner approach. The respective A-ring phosphine oxide was obtained starting from the D-(-)-quinic acid and then coupled with the known Grundmann ketone.
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Affiliation(s)
- Adrian Fabisiak
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Pawel Brzeminski
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Klaudia Berkowska
- Department of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383 Wroclaw, Poland
| | - Ewa Marcinkowska
- Department of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383 Wroclaw, Poland
| | - Rafal R Sicinski
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland.
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Fabisiak A, Brzeminski P, Berkowska K, Marcinkowska E, Sicinski RR. Synthesis of 19-norcalcitriol analogs with alkylidene moieties at C-2 based on succinic acid and l-methionine. J Steroid Biochem Mol Biol 2018; 177:235-239. [PMID: 28756293 DOI: 10.1016/j.jsbmb.2017.07.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 07/21/2017] [Accepted: 07/24/2017] [Indexed: 11/28/2022]
Abstract
On the basis of the literature data, our previous research work and docking experiments, we designed novel 19-norvitamin D compounds having elongated 2-alkylidene substituents. These 19-norcalcitriol derivatives have attached 2-(3'-aminopropylidene) substituent in which the nitrogen atom bears acyl residue derived from succinic acid and l-methionine. Both compounds were obtained by the same synthetic strategy involving Julia coupling of the A-ring ketone with the known C/D-ring sulfone. In the obtained 1α,25-dihydroxy-19-norvitamin D3 derivative, the alkylidene substituent at C-2 was further elaborated to the desired structures.
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Affiliation(s)
- Adrian Fabisiak
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Pawel Brzeminski
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Klaudia Berkowska
- Department of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383 Wroclaw, Poland
| | - Ewa Marcinkowska
- Department of Biotechnology, University of Wroclaw, Joliot-Curie 14a, 50-383 Wroclaw, Poland
| | - Rafal R Sicinski
- Department of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland.
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Zhang CF, Wan RZ, Liu ZP. Recent developments of 19-nor-1,25-dihydroxyvitamin D3 analogues. ChemMedChem 2013; 8:1249-60. [PMID: 23788554 DOI: 10.1002/cmdc.201300160] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Revised: 05/31/2013] [Indexed: 12/14/2022]
Abstract
The vitamin D hormone, 1α,25-dihydroxyvitamin D3 [1,25-(OH)2 D3 ], exerts its hormonal effects predominantly on intestine, bone, and kidney, where it plays a crucial role in calcium and phosphorus homeostasis and bone mineralization. In addition to its classical actions, 1,25(OH)2 D3 exerts pleiotropic effects in a wide variety of target tissues and cell types, often in an autocrine/paracrine fashion. These biological activities of 1,25(OH)2 D3 have suggested a multitude of potential therapeutic applications for the vitamin D hormone in the treatment of hyperproliferative disorders (e.g. cancer and psoriasis), immune dysfunction (autoimmune diseases), and endocrine disorders (e.g. hyperparathyroidism). However, the calcemic effects induced by 1,25(OH)2 D3--hypercalcemia, increased bone resorption, and soft tissue calcification--limit the use of the natural ligand in these clinical applications. Therefore, numerous 1,25(OH)2 D3 analogues have been synthesized with the intent of producing therapeutic agents devoid of hypercalcemic and hyperphosphatemic side effects. To this aim, much attention has been focused on the development of 19-nor-vitamin D3 derivatives that lack the ring-A exocyclic methylene group (C19). In this review, the 19-nor-1,25(OH)2 D3 analogues are classified according to modifications made at the A-ring, the side chain, or both the A-ring and side chain, as well as other positions. The biological activities of these 19-nor-1,25(OH)2 D3 analogues are summarized and their structure-activity relationships and binding features with the vitamin D receptor (VDR) are discussed.
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Affiliation(s)
- Can-Fei Zhang
- Department of Organic Chemistry, Key Laboratory of Chemical Biology, Ministry of Education, School of Pharmaceutical Sciences, Shandong University, 44, West Culture Road, Jinan 250012, P.R. China
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Glebocka A, Chiellini G. A-ring analogs of 1,25-dihydroxyvitamin D3. Arch Biochem Biophys 2012; 523:48-57. [DOI: 10.1016/j.abb.2011.11.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2011] [Revised: 11/04/2011] [Accepted: 11/07/2011] [Indexed: 01/07/2023]
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Shimazaki M, Miyamoto Y, Yamamoto K, Yamada S, Takami M, Shinki T, Udagawa N, Shimizu M. Analogs of 1α,25-dihydroxyvitamin D3 with high potency in induction of osteoclastogenesis and prevention of dendritic cell differentiation: Synthesis and biological evaluation of 2-substituted 19-norvitamin D analogs. Bioorg Med Chem 2006; 14:4645-56. [PMID: 16513359 DOI: 10.1016/j.bmc.2006.02.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2006] [Revised: 02/06/2006] [Accepted: 02/07/2006] [Indexed: 11/17/2022]
Abstract
In our previous papers, we found that introduction of a substituent at C(2) into 1alpha,25-dihydroxy-19-norvitamin D(3) (2a) caused dramatic changes in binding affinity for the vitamin D receptor (VDR) and in transcriptional activity compared with the parent compound. To investigate the broad biological activity of 2-substituted 19-norvitamin D analogs, we synthesized two new (20S)-2-hydroxyethylidene-19-norvitamin D derivatives (3b and 4b) and a total of 16 A-ring-modified analogs including 3b and 4b were tested for the following in vitro and in vivo biological activities: (1) affinity for the VDR, (2) transcriptional activity, (3) osteoclast formation, (4) bone calcium mobilization in rats, and (5) effects on differentiation of dendritic cells (DCs). The biological effects of the analogs were compared with those of 1alpha,25-dihydroxyvitamin D(3) (1a) and 2MD, which is being developed for the treatment of osteoporosis. The efficacy of the (20S)-19-norvitamin D analogs with 2-hydroxyethylidene, 2-hydroxyethoxy, and 2-methyl moieties (3b, 5b, 6b, and 9b) was more than 10-fold stronger than that of 1a with respect to transcriptional activity, ability to induce osteoclast formation, and ability to inhibit CD86 expression, a marker of mature DCs, and was similar to that of 2MD. The (20S)-2beta-hydroxyethoxy derivative 6b was 2 orders of magnitude more active than 1a and approximately twice as potent as 2MD in preventing CD86 production. The 2-epoxy derivatives 7 and 8 were relatively poor ligands for the VDR and exhibited activity lower than that of the natural hormone 1a.
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Affiliation(s)
- Mika Shimazaki
- Institute of Biomaterials and Bioengineering Tokyo Medical and Dental University, Chiyoda-ku, Japan
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Abstract
This article reviews the progress in the chemistry of the steroids that was published between January and December 2004. The reactions and partial synthesis of estrogens, androgens, pregnanes, cholic acid derivatives, cholestanes and vitamin D analogues are covered. There are 127 references.
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Affiliation(s)
- James R Hanson
- Department of Chemistry, University of Sussex, Brighton, Sussex, UKBN1 9QJ
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Shimizu M, Iwasaki Y, Shimazaki M, Amano Y, Yamamoto K, Reischl W, Yamada S. New derivatives of 1α,25-dihydroxy-19-norvitamin D3 with two substituents at C-2: synthesis and biological activity. Bioorg Med Chem Lett 2005; 15:1451-5. [PMID: 15713405 DOI: 10.1016/j.bmcl.2004.12.090] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2004] [Accepted: 12/29/2004] [Indexed: 11/29/2022]
Abstract
To examine the effect of 2,2-disubstitution on the biological activities of 19-norvitamin D analogs, novel 2,2-disubstituted-(20R)- and (20S)-1alpha,25-dihydroxy-19-norvitamin D3 analogs were prepared and their biological activities were studied. All the synthesized analogs possessing hydrophobic 2alpha-substituents were more active than the corresponding 2beta-isomers both in binding to the vitamin D receptor and in activating gene transcription. The 2alpha-methyl-2beta-hydroxy analog 9b was found to have markedly higher transcriptional activity (32-fold) than the natural ligand 1a, although the two had the same binding affinity to the vitamin D receptor. To our knowledge, this analog is among the most potent of 19-norvitamin D analogs.
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Affiliation(s)
- Masato Shimizu
- Laboratory of Medicinal Chemistry, School of Biomedical Science, Tokyo Medical and Dental University, 2-3-10 Kandasurugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
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