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Mendoza-Jasso ME, Pérez-Villanueva J, Alvarado-Rodríguez JG, González-Andrade M, Cortés-Benítez F. 3-Benzylaminomethyl Lithocholic Acid Derivatives Exhibited Potent and Selective Uncompetitive Inhibitory Activity Against Protein Tyrosine Phosphatase 1B (PTP1B). ACS OMEGA 2024; 9:33224-33238. [PMID: 39100322 PMCID: PMC11292843 DOI: 10.1021/acsomega.4c04948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2024] [Revised: 06/21/2024] [Accepted: 07/09/2024] [Indexed: 08/06/2024]
Abstract
Protein tyrosine phosphatase 1B (PTP1B) is a promising drug target for treating type 2 diabetes (T2DM) and obesity. As a result, developing new therapies that target PTP1B is an attractive strategy for treating these diseases. Herein, we detail the synthesis of 15 lithocholic acid (LA) derivatives, each containing different benzylaminomethyl groups attached to the C3 position of the steroid skeleton. The derivatives were assessed against two forms of PTP1B enzyme (hPTP1B1-400 and hPTP1B1-285), and the most potent compounds were then tested against T-cell protein tyrosine phosphatase (TCPTP) to determine their selectivity. The results showed that compounds 6m and 6n were more potent than the reference compounds (ursolic acid, chlorogenic acid, suramin, and TCS401). Additionally, both compounds exhibited greater potency over hPTP1B1-400. Furthermore, enzyme kinetic studies on hPTP1B1-400 revealed that these two lithocholic acid derivatives have an uncompetitive inhibition against hPTP1B1-400 with K i values of 2.5 and 3.4 μM, respectively. Interestingly, these compounds were around 75-fold more selective for PTP1B over TCPTP. Finally, docking studies and molecular dynamics simulations (MDS) were conducted to determine how these compounds interact with PTP1B. The docking studies revealed hydrophobic and H-bond interactions with amino acid residues in the unstructured region. MDS showed that these interactions persisted throughout the 200 ns simulation, indicating the crucial role of the unstructured zone in the biological activity and inhibition of PTP1B.
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Affiliation(s)
- María-Eugenia Mendoza-Jasso
- Doctorado
en Ciencias Farmacéuticas, División de Ciencias Biológicas
y de la Salud, Universidad Autónoma
Metropolitana − Unidad Xochimilco, Ciudad de México 04960, Mexico
- Laboratorio
de Síntesis y Aislamiento de Sustancias Bioactivas, Departamento
de Sistemas Biológicos, División de Ciencias Biológicas
y de la Salud, Universidad Autónoma
Metropolitana − Unidad Xochimilco, Ciudad de México 04960, Mexico
- Laboratorio
de Biosensores y Modelaje Molecular, Departamento de Bioquímica,
Facultad de Medicina, Universidad Nacional
Autónoma de México, Ciudad de México 04510, Mexico
| | - Jaime Pérez-Villanueva
- Laboratorio
de Síntesis y Aislamiento de Sustancias Bioactivas, Departamento
de Sistemas Biológicos, División de Ciencias Biológicas
y de la Salud, Universidad Autónoma
Metropolitana − Unidad Xochimilco, Ciudad de México 04960, Mexico
| | | | - Martin González-Andrade
- Laboratorio
de Biosensores y Modelaje Molecular, Departamento de Bioquímica,
Facultad de Medicina, Universidad Nacional
Autónoma de México, Ciudad de México 04510, Mexico
| | - Francisco Cortés-Benítez
- Laboratorio
de Síntesis y Aislamiento de Sustancias Bioactivas, Departamento
de Sistemas Biológicos, División de Ciencias Biológicas
y de la Salud, Universidad Autónoma
Metropolitana − Unidad Xochimilco, Ciudad de México 04960, Mexico
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D’yakonov VA, Tuktarova RA, Dzhemileva LU, Ishmukhametova SR, Dzhemilev UM. Synthesis and Anticancer Activity of Hybrid Molecules Based on Lithocholic and (5 Z,9 Z)-Tetradeca-5,9-dienedioic Acids Linked via Mono(di,tri,tetra)ethylene Glycol and α,ω-Diaminoalkane Units. Pharmaceuticals (Basel) 2021; 14:ph14020084. [PMID: 33498764 PMCID: PMC7911507 DOI: 10.3390/ph14020084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/18/2021] [Accepted: 01/19/2021] [Indexed: 01/25/2023] Open
Abstract
For the first time, hybrid molecules were synthesized on the basis of lithocholic and (5Z,9Z)-1,14-tetradeca-5,9-dienedicarboxylic acids, obtained in two stages using the homo-cyclomagnesiation reaction of 2-(hepta-5,6-diene-1-yloxy)tetrahydro-2H-pyran at the key stage. The resulting hybrid molecules containing 5Z,9Z-dienoic acids are of interest as novel synthetic biologically active precursors to create modern drugs for the treatment of human oncological diseases. The synthesized hybrid molecules were found to exhibit extremely high in vitro inhibitory activity against human topoisomerase I, which is 2-4 times higher than that of camptothecin, a known topoisomerase I inhibitor. Using flow cytometry and fluorescence microscopy, it was first shown that these new molecules are efficient apoptosis inducers in HeLa, U937, Jurkat, K562, and Hek293 cell cultures. In addition, the results of investigations into the effect of the synthesized acids on mitochondria and studies of possible DNA damage in Jurkat tumor cells are also presented.
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Synthesis of New Cisplatin Derivatives from Bile Acids. Molecules 2020; 25:molecules25030655. [PMID: 32033039 PMCID: PMC7036801 DOI: 10.3390/molecules25030655] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 01/31/2020] [Accepted: 02/02/2020] [Indexed: 01/14/2023] Open
Abstract
A series of bile acid derived 1,2- and 1,3-diamines as well as their platinum(II) complexes were designed and synthesized in hope to get a highly cytotoxic compound by the combination of two bioactive moieties. All complexes obtained were subjected to cytotoxicity assays in vitro and some hybrid molecules showed an expected activity.
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Seroka B, Łotowski Z, Wojtkielewicz A, Bazydło P, Dudź E, Hryniewicka A, Morzycki JW. Synthesis of steroidal 1,2- and 1,3-diamines as ligands for transition metal ion complexation. Steroids 2019; 147:19-27. [PMID: 30738072 DOI: 10.1016/j.steroids.2019.02.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 01/10/2019] [Accepted: 02/01/2019] [Indexed: 02/02/2023]
Abstract
Two series of cholestane-based diamines (1,2 and 1,3) were synthesized using simple and efficient procedures. The convenient substrates for these syntheses were cholesteryl mesylate and tosylate, which were converted to appropriate amines via easily obtained azides. The final diamines were prepared using a substitution reaction with bromoacetonitrile (in the case of 1,2-diamines) or condensation with acrylonitrile (in the case of 1,3-diamines), followed by the reduction of intermediate aminonitriles. Furthermore, the other two amines were synthesized from 16-dehydropregnenolone acetate using aza-Michael addition as a key step. Some of the diamines were subjected to complexation reactions with K2PtCl4 to form steroidal analogs of cisplatin. The synthetic methods tested in this work will allow us to prepare other cisplatin derivatives based on steroids showing anticancer properties themselves.
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Affiliation(s)
- Barbara Seroka
- Institute of Chemistry, University of Bialystok, K. Ciolkowskiego 1K, 15-245 Bialystok, Poland.
| | - Zenon Łotowski
- Institute of Chemistry, University of Bialystok, K. Ciolkowskiego 1K, 15-245 Bialystok, Poland.
| | - Agnieszka Wojtkielewicz
- Institute of Chemistry, University of Bialystok, K. Ciolkowskiego 1K, 15-245 Bialystok, Poland
| | - Przemysław Bazydło
- Institute of Chemistry, University of Bialystok, K. Ciolkowskiego 1K, 15-245 Bialystok, Poland
| | - Ewelina Dudź
- Institute of Chemistry, University of Bialystok, K. Ciolkowskiego 1K, 15-245 Bialystok, Poland
| | - Agnieszka Hryniewicka
- Institute of Chemistry, University of Bialystok, K. Ciolkowskiego 1K, 15-245 Bialystok, Poland
| | - Jacek W Morzycki
- Institute of Chemistry, University of Bialystok, K. Ciolkowskiego 1K, 15-245 Bialystok, Poland
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Hryniewicka A, Malinowska M, Hauschild T, Pieczul K, Morzycki JW. Synthesis and antimicrobial properties of steroid-based imidazolium salts. J Steroid Biochem Mol Biol 2019; 189:65-72. [PMID: 30797035 DOI: 10.1016/j.jsbmb.2019.02.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/08/2019] [Accepted: 02/16/2019] [Indexed: 01/20/2023]
Abstract
Imidazolium salts reveal interesting biological properties, especially regarding antitumor and antimicrobial activities. Two series of imidazolium salts based on steroids were obtained in an efficient and convenient synthesis. They were biologically tested to evaluate their antibacterial and antifungal properties. The activities of new salts, especially in relation to Gram-positive bacterial strains are comparable to the activities of known antibiotics. The most promising activity was that against C. albicans, which exceeded the antifungal activity of commonly used drugs. Some of the new salts exhibited improved antifungal activities against phytopathogenic fungi: B. cinerea and C. beticola. Our research showed that new compounds could be potentially useful as antifungal antibiotics or inhibiting agents against pathogenic fungi.
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Affiliation(s)
- Agnieszka Hryniewicka
- Institute of Chemistry, University of Białystok, Ciołkowskiego Street 1K, 15-245, Białystok, Poland.
| | - Marta Malinowska
- Institute of Chemistry, University of Białystok, Ciołkowskiego Street 1K, 15-245, Białystok, Poland
| | - Tomasz Hauschild
- Institute of Biology, University of Białystok, Ciołkowskiego Street 1J, 15-245, Białystok, Poland
| | - Katarzyna Pieczul
- Institute of Plant Protection, National Research Institute, Węgorka Street 20, 60-318, Poznań, Poland
| | - Jacek W Morzycki
- Institute of Chemistry, University of Białystok, Ciołkowskiego Street 1K, 15-245, Białystok, Poland
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Nahar L, Turner AB. Synthesis of dinorcholane and 5β-cholane derivatives. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.3184/0308234041639764] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The convenient synthesis of seven dinorcholane and 5β-cholane derivatives, 3β-acetoxy-23,24-dinorchol-5-en-22-oyl methoxy anhydride (2), 3β-acetoxy-23,24-dinorchol-5-en-22-oyl chloride (3), 3β-acetoxy-23,24-dinorchol-5-en-22-ol (4), 3α-acetoxy-5β-cholan-24-oic acid (6), 3α-acetoxy-5β-cholan-24-oic acid ethyl ester (7), 3-oxo-5β-cholan-24-oic acid (8) and 3-oxo-5β-cholan-24-oic acid ethyl ester (9) have been described. Full spectroscopic data for these compounds are presented.
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Affiliation(s)
- Lutfun Nahar
- Japp Laboratory, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, Scotland, UK
- Present address: Division of Microbiology and Immunology, The Rowett Research Institute, Greenburn Road, Aberdeen AB21 9SB, UK
| | - Alan B. Turner
- Japp Laboratory, Department of Chemistry, University of Aberdeen, Aberdeen AB24 3UE, Scotland, UK
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Computational study of new 1,2,3-triazole derivative of lithocholic acid: Structural aspects, non-linear optical properties and molecular docking studies as potential PTP 1B enzyme inhibitor. Comput Biol Chem 2019; 78:144-152. [DOI: 10.1016/j.compbiolchem.2018.11.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 10/09/2018] [Accepted: 11/18/2018] [Indexed: 01/14/2023]
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Ma H, Kang Q, Wang T, Xiao J, Yu L. Liquid crystals-based sensor for the detection of lithocholic acid coupled with competitive host-guest inclusion. Colloids Surf B Biointerfaces 2019; 173:178-184. [DOI: 10.1016/j.colsurfb.2018.09.071] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 09/24/2018] [Accepted: 09/28/2018] [Indexed: 10/28/2022]
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Abstract
In this paper, a new and concise synthetic route of lithocholic acid (LCA) using commercially available steroid source deoxycholic acid is reported. A series of amide derivatives of LCA were also synthesized and investigated for their activity against the growth of MCF-7 and MCF-7/ADR cells using the sulforhodamine B assay. For MCF-7, the most potent compound 20 showed a 20-fold higher antitumor activity than LCA. For MCF-7/ADR, the most potent compound 24 showed a 22-fold higher antitumor activity than LCA. The transwell migration assay of 20 was evaluated on MDA-MB-231 cells. The colony formation and apoptosis assays of 20 were performed on MCF-7 and MCF-7/ADR cell lines.
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Affiliation(s)
- Xiao-Long He
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Chemical Engineering, East China Normal University, Shanghai 200241, China
| | - Yajing Xing
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Xiang-Zhong Gu
- Department of Research and Development, Jiangsu Jiaerke Pharmaceuticals Group Co Ltd., Zhenglu Town, Changzhou 213111, China
| | - Jie-Xin Xiao
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Chemical Engineering, East China Normal University, Shanghai 200241, China
| | - Ying-Ying Wang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Chemical Engineering, East China Normal University, Shanghai 200241, China
| | - Zhengfang Yi
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Wen-Wei Qiu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Chemical Engineering, East China Normal University, Shanghai 200241, China.
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Marchionatti AM, Pérez A, Rivoira MA, Rodríguez VA, Tolosa de Talamoni NG. Lithocholic acid: a new emergent protector of intestinal calcium absorption under oxidant conditions. Biochem Cell Biol 2017; 95:273-279. [PMID: 28318299 DOI: 10.1139/bcb-2016-0164] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
LCA and 1,25(OH)2D3 are vitamin D receptor ligands with different binding affinity. The secosteroid stimulates intestinal Ca2+ absorption. Whether LCA alters this process remains unknown. The aim of our work was to determine the effect of LCA on intestinal Ca2+ absorption in the absence or presence of NaDOC, bile acid that inhibits the cation transport. The data show that LCA by itself did not alter intestinal Ca2+ absorption, but prevented the inhibitory effect of NaDOC. The concomitant administration of LCA avoided the reduction of intestinal alkaline phosphatase activity caused by NaDOC. In addition, LCA blocked a decrease caused by NaDOC on gene and protein expression of molecules involved in the transcellular pathway of intestinal Ca2+ absorption. The oxidative stress and apoptosis triggered by NaDOC were abrogated by LCA co-treatment. In conclusion, LCA placed in the intestinal lumen protects intestinal Ca2+ absorption against the inhibitory effects caused by NaDOC. LCA avoids the reduction of the transcellular Ca2+ movement, apparently by blocking the oxidative stress and apoptosis triggered by NaDOC, normalizing the gene and protein expression of molecules involved in Ca2+ movement. Therefore, LCA might become a possible treatment to improve intestinal calcium absorption under oxidant conditions.
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Affiliation(s)
- Ana M Marchionatti
- Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.,Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Adriana Pérez
- Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.,Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - María A Rivoira
- Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.,Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Valeria A Rodríguez
- Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.,Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Nori G Tolosa de Talamoni
- Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.,Laboratorio "Dr. Fernando Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-Universidad Nacional de Córdoba), Pabellón Argentina, 2do. Piso, Ciudad Universitaria, 5000 Córdoba, Argentina
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do Nascimento PGG, Lemos TLG, Almeida MCS, de Souza JMO, Bizerra AMC, Santiago GMP, da Costa JGM, Coutinho HDM. Lithocholic acid and derivatives: Antibacterial activity. Steroids 2015. [PMID: 26216208 DOI: 10.1016/j.steroids.2015.07.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
In order to develop bioactive lithocholic acid derivatives, we prepared fifteen semi-synthetic compounds through modification at C-3 and/or C-24. The reactions showed yields ranging from 37% to 100%. The structures of all compounds obtained were identified on the basis of their spectral data (IR, MS, 1D- and 2D-NMR). The activity of lithocholic acid and derivatives was evaluated against the growth of Escherichia coli, Staphylococcus aureus, Bacillus cereus and Pseudomonas aeruginosa. The derivative 3α-formyloxy-5β-cholan-24-oic acid (LA-06) showed the best activity, with MIC values of 0.0790 mM against E. coli (Ec 27) and B. cereus in both cases, and 0.0395 mM against S. aureus (ATCC 12692). Lithocholic acid and the derivatives with MIC⩽1.2 mM were evaluated on the susceptibility of some bacterial pathogens to the aminoglycoside antibiotics neomycin, amikacin and gentamicin was evaluated. There are no previously reported studies about these compounds as modifiers of the action of antibiotics or any other drugs.
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Affiliation(s)
- Patrícia G G do Nascimento
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Campus do Pici, 60021-940 Fortaleza, CE, Brazil
| | - Telma L G Lemos
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Campus do Pici, 60021-940 Fortaleza, CE, Brazil.
| | - Macia C S Almeida
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Campus do Pici, 60021-940 Fortaleza, CE, Brazil
| | - Juliana M O de Souza
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Campus do Pici, 60021-940 Fortaleza, CE, Brazil
| | - Ayla M C Bizerra
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Campus do Pici, 60021-940 Fortaleza, CE, Brazil
| | - Gilvandete M P Santiago
- Departamento de Farmácia, Universidade Federal do Ceará, Rua Capitão Francisco Pedro No. 1210, Campus do Porangabussu, 60430-370 Fortaleza, CE, Brazil
| | - José G M da Costa
- Departamento de Química Biológica, Universidade Regional do Cariri, 63105-000 Crato, CE, Brazil
| | - Henrique D M Coutinho
- Departamento de Química Biológica, Universidade Regional do Cariri, 63105-000 Crato, CE, Brazil
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He HB, Gao LX, Deng QF, Ma WP, Tang CL, Qiu WW, Tang J, Li JY, Li J, Yang F. Synthesis and biological evaluation of 4,4-dimethyl lithocholic acid derivatives as novel inhibitors of protein tyrosine phosphatase 1B. Bioorg Med Chem Lett 2012; 22:7237-42. [DOI: 10.1016/j.bmcl.2012.09.040] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Revised: 09/01/2012] [Accepted: 09/12/2012] [Indexed: 12/18/2022]
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Bukiya AN, Patil S, Li W, Miller D, Dopico AM. Calcium- and voltage-gated potassium (BK) channel activators in the 5β-cholanic acid-3α-ol analogue series with modifications in the lateral chain. ChemMedChem 2012; 7:1784-92. [PMID: 22945504 PMCID: PMC4193543 DOI: 10.1002/cmdc.201200290] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Indexed: 02/07/2023]
Abstract
Large conductance, calcium- and voltage-gated potassium (BK) channels regulate various physiological processes and represent an attractive target for drug discovery. Numerous BK channel activators are available. However, these agents usually interact with the ubiquitously distributed channel-forming subunit and thus cannot selectively target a particular tissue. We performed a structure-activity relationship study of lithocholic acid (LCA), a cholane that activates BK channels via the accessory BK β1 subunit. The latter protein is highly abundant in smooth muscle but scarce in most other tissues. Modifications to the LCA lateral chain length and functional group yielded two novel smooth muscle BK channel activators in which the substituent at C24 has a small volume and a net negative charge. Our data provide detailed structural information that will be useful to advance a pharmacophore in search of β1 subunit-selective BK channel activators. These compounds are expected to evoke smooth muscle relaxation, which would be beneficial in the pharmacotherapy of prevalent human disorders associated with increased smooth muscle contraction, such as systemic hypertension, cerebral or coronary vasospasm, bronchial asthma, bladder hyperactivity, and erectile dysfunction.
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Affiliation(s)
- Anna N. Bukiya
- Anna N. Bukiya, Alex M. Dopico Department of Pharmacology, College of Medicine, The University of Tennessee Health Science Center, 874 Union Ave., #115, Memphis, TN 38163
| | - Shivaputra Patil
- Shivaputra Patil, Wei Li, Duane Miller Department of Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, 881 Madison Ave., # 435, Memphis, TN 38163
| | - Wei Li
- Shivaputra Patil, Wei Li, Duane Miller Department of Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, 881 Madison Ave., # 435, Memphis, TN 38163
| | - Duane Miller
- Shivaputra Patil, Wei Li, Duane Miller Department of Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, 881 Madison Ave., # 435, Memphis, TN 38163
| | - Alex M. Dopico
- Anna N. Bukiya, Alex M. Dopico Department of Pharmacology, College of Medicine, The University of Tennessee Health Science Center, 874 Union Ave., #115, Memphis, TN 38163
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Tsai SJJ, Zhong YS, Weng JF, Huang HH, Hsieh PY. Determination of bile acids in pig liver, pig kidney and bovine liver by gas chromatography-chemical ionization tandem mass spectrometry with total ion chromatograms and extraction ion chromatograms. J Chromatogr A 2011; 1218:524-33. [DOI: 10.1016/j.chroma.2010.11.062] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2010] [Revised: 11/19/2010] [Accepted: 11/25/2010] [Indexed: 12/11/2022]
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16
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Optical sensor for lithocholic acid based on multilayered assemblies from polyelectrolyte and cyclodextrin. J Photochem Photobiol A Chem 2005. [DOI: 10.1016/j.jphotochem.2004.10.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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