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Zheng M, Li H, Gao Y, Brigstock DR, Gao R. Vitamin D 3 analogue calcipotriol inhibits the profibrotic effects of transforming growth factor- β1 on pancreatic stellate cells. Eur J Pharmacol 2023; 957:176000. [PMID: 37604222 DOI: 10.1016/j.ejphar.2023.176000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 08/04/2023] [Accepted: 08/17/2023] [Indexed: 08/23/2023]
Abstract
OBJECTIVE To evaluate the inhibitory effect of vitamin D3 analogue calcipotriol (Cal) on the fibrosis of pancreatic stellate cells (PSCs) induced by TGF-β1 and the rationality of Cal use in alcoholic chronic pancreatitis (ACP). MATERIAL AND METHODS Double-labeling immunofluorescence was used for the identification of VDR+PSCs in the pancreas of healthy controls (HC) and ACP patients. Van Gieson staining for examination of collagen fibers. RT-qPCR and Western Blot for determining the mRNAs and proteins of VDR, TGF-β1 and COL1A1 in the pancreas of ACP or in vitro PSCs. ELISA or LC-MS/MS for detection of serum TGF-β1 and COL1A1 or 25(OH)D3. The PSC line (RP-2 cell) was used for the determination of proteomic alterations in Cal plus TGF-β1 versus TGF-β1 and to examine the effect of VDR gene knockdown. RESULTS Enhanced expression of VDR was detected in RP-2 cells stimulated with alcohol (ALC) plus Cal versus Cal alone and in PSCs in the pancreas of ACP versus HC. The increased VDR+PSCs were positively correlated with the levels of COL1A1 mRNAs or areas of collagen deposition in the pancreas of ACP. TGF-β1 was overexpressed in the pancreas of ACP and ALC-treated RP-2 cells while 25(OH)D3 level in serum was significantly decreased in ACP versus HC. Through a VDR-dependent mechanism, Cal antagonized 16 profibrotic proteins in TGF-β1-induced RP-2 cells that included 7 extracellular matrix components, 2 cytoskeletal proteins, 2 fibrosis-associated factors (RUNX1 and TRAF2), TIMP-1, CCN1, integrin α11, an adhesion scaffold protein (TGFB1i1) and an enzyme mediating TGF-β1-induced fibrogenesis (ENPP1). CONCLUSION This study suggests that Cal administration may be a potential antifibrotic strategy via inhibiting TGF-β1-mediated PSC action during the development of ACP.
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Affiliation(s)
- Meifang Zheng
- Department of Hepatic Biliary Pancreatic Medicine, First Hospital of Jilin University, Changchun, China
| | - Hongyan Li
- Department of Hepatic Biliary Pancreatic Medicine, First Hospital of Jilin University, Changchun, China
| | - Yanhang Gao
- Department of Hepatic Biliary Pancreatic Medicine, First Hospital of Jilin University, Changchun, China
| | - David R Brigstock
- The Research Institute at Nationwide Children's Hospital, Columbus, Ohio, United States
| | - Runping Gao
- Department of Hepatic Biliary Pancreatic Medicine, First Hospital of Jilin University, Changchun, China.
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2
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Takahashi S, Takada I, Hashimoto K, Yokoyama A, Nakagawa T, Makishima M, Kume H. ESS2 controls prostate cancer progression through recruitment of chromodomain helicase DNA binding protein 1. Sci Rep 2023; 13:12355. [PMID: 37524814 PMCID: PMC10390525 DOI: 10.1038/s41598-023-39626-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 07/27/2023] [Indexed: 08/02/2023] Open
Abstract
Molecular targeted therapy using poly (ADP-ribose) polymerase inhibitors has improved survival in patients with castration-resistant prostate cancer (CRPC). However, this approach is only effective in patients with specific genetic mutations, and additional drug discovery targeting epigenetic modulators is required. Here, we evaluated the involvement of the transcriptional coregulator ESS2 in prostate cancer. ESS2-knockdown PC3 cells dramatically inhibited proliferation in tumor xenografts in nude mice. Microarray analysis revealed that ESS2 regulated mRNA levels of chromodomain helicase DNA binding protein 1 (CHD1)-related genes and other cancer-related genes, such as PPAR-γ, WNT5A, and TGF-β, in prostate cancer. ESS2 knockdown reduced nuclear factor (NF)-κB/CHD1 recruitment and histone H3K36me3 levels on the promoters of target genes (TNF and CCL2). In addition, we found that the transcriptional activities of NF-κB, NFAT and SMAD2/3 were enhanced by ESS2. Tamoxifen-inducible Ess2-knockout mice showed delayed prostate development with hypoplasia and disruption of luminal cells in the ventral prostate. Overall, these findings identified ESS2 acts as a transcriptional coregulator in prostate cancer and ESS2 can be novel epigenetic therapeutic target for CRPC.
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Affiliation(s)
- Sayuri Takahashi
- Department of Urology, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-Ku, Tokyo, 108-8639, Japan.
- Department of Urology, The Faculty of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan.
| | - Ichiro Takada
- Department of Urology, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-Ku, Tokyo, 108-8639, Japan
- Division of Biochemistry, Department of Biomedical Sciences, School of Medicine, Nihon University, Itabashi-Ku, Tokyo, 173-8610, Japan
| | - Kenichi Hashimoto
- Department of Urology, The Faculty of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
| | - Atsushi Yokoyama
- Department of Molecular Endocrinology, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Tohru Nakagawa
- Department of Urology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-Ku, Tokyo, 173-8605, Japan
| | - Makoto Makishima
- Division of Biochemistry, Department of Biomedical Sciences, School of Medicine, Nihon University, Itabashi-Ku, Tokyo, 173-8610, Japan
| | - Haruki Kume
- Department of Urology, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-Ku, Tokyo, 108-8639, Japan
- Department of Urology, The Faculty of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
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3
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Kubota H, Ishizawa M, Kodama M, Nagase Y, Kato S, Makishima M, Sakurai K. Vitamin D Receptor Mediates Attenuating Effect of Lithocholic Acid on Dextran Sulfate Sodium Induced Colitis in Mice. Int J Mol Sci 2023; 24:ijms24043517. [PMID: 36834927 PMCID: PMC9965401 DOI: 10.3390/ijms24043517] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/04/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
Bile acids are major components of bile; they emulsify dietary lipids for efficient digestion and absorption and act as signaling molecules that activate nuclear and membrane receptors. The vitamin D receptor (VDR) is a receptor for the active form of vitamin D and lithocholic acid (LCA), a secondary bile acid produced by the intestinal microflora. Unlike other bile acids that enter the enterohepatic circulation, LCA is poorly absorbed in the intestine. Although vitamin D signaling regulates various physiological functions, including calcium metabolism and inflammation/immunity, LCA signaling remains largely unknown. In this study, we investigated the effect of the oral administration of LCA on colitis in a mouse model using dextran sulfate sodium (DSS). Oral LCA decreased the disease activity of colitis in the early phase, which is a phenotype associated with the suppression of histological injury, such as inflammatory cell infiltration and goblet cell loss. These protective effects of LCA were abolished in VDR-deleted mice. LCA decreased the expression of inflammatory cytokine genes, but this effect was at least partly observed in VDR-deleted mice. The pharmacological effect of LCA on colitis was not associated with hypercalcemia, an adverse effect induced by vitamin D compounds. Therefore, LCA suppresses DSS-induced intestinal injury in its action as a VDR ligand.
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Affiliation(s)
- Hitomi Kubota
- Division of Biochemistry, Department of Biomedical Sciences, Nihon University School of Medicine, 30-1 Oyaguchi-kamicho, Itabashi-ku, Tokyo 173-8610, Japan
- Department of Surgery, The Nippon Dental University School of Life Dentistry, 2-3-16 Fujimi, Chiyoda-ku, Tokyo 102-8158, Japan
| | - Michiyasu Ishizawa
- Division of Biochemistry, Department of Biomedical Sciences, Nihon University School of Medicine, 30-1 Oyaguchi-kamicho, Itabashi-ku, Tokyo 173-8610, Japan
- Correspondence: (M.I.); (M.M.); Tel.: +81-3-3972-8111 (M.I. & M.M.)
| | - Makoto Kodama
- Department of Pathology, Tokyo Yamate Medical Center, 3-22-1 Hyakunin-cho, Shinjuku-ku, Tokyo 169-0073, Japan
| | - Yoshihiro Nagase
- Department of Pathology, Tokyo Yamate Medical Center, 3-22-1 Hyakunin-cho, Shinjuku-ku, Tokyo 169-0073, Japan
| | - Shigeaki Kato
- Graduate School of Science and Technology, Iryo Sosei University, 5-5-1 Iino, Chuodai, Iwaki, Fukushima 970-8044, Japan
- Research Institute of Innovative Medicine, Tokiwa Foundation, Kaminodai-57 Jobankamiyunagayamachi, Iwaki, Fukushima 972-8322, Japan
| | - Makoto Makishima
- Division of Biochemistry, Department of Biomedical Sciences, Nihon University School of Medicine, 30-1 Oyaguchi-kamicho, Itabashi-ku, Tokyo 173-8610, Japan
- Correspondence: (M.I.); (M.M.); Tel.: +81-3-3972-8111 (M.I. & M.M.)
| | - Kenichi Sakurai
- Department of Surgery, The Nippon Dental University School of Life Dentistry, 2-3-16 Fujimi, Chiyoda-ku, Tokyo 102-8158, Japan
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4
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Przybylla R, Mullins CS, Krohn M, Oswald S, Linnebacher M. Establishment and Characterization of Novel Human Intestinal In Vitro Models for Absorption and First-Pass Metabolism Studies. Int J Mol Sci 2022; 23:ijms23179861. [PMID: 36077251 PMCID: PMC9456142 DOI: 10.3390/ijms23179861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/26/2022] [Accepted: 08/26/2022] [Indexed: 11/23/2022] Open
Abstract
Commonly used intestinal in vitro models are limited in their potential to predict oral drug absorption. They either lack the capability to form a tight cellular monolayer mimicking the intestinal epithelial barrier or the expression of cytochrome P450 3A4 (CYP3A4). The aim of this study was to establish a platform of colorectal cancer patient-derived cell lines for evaluation of human intestinal drug absorption and metabolism. We characterized ten 2D cell lines out of our collection with confluent outgrowth and long-lasting barrier forming potential as well as suitability for high throughput applications with special emphasis on expression and inducibility of CYP3A4. By assessment of the transepithelial electrical resistance (TEER) the cells barrier function capacity can be quantified. Very high TEER levels were detected for HROC60. A high basal CYP3A4 expression and function was found for HROC32. Eight cell lines showed higher CYP3A4 induction by stimulation via the vitamin D receptor compared to Caco-2 cells (5.1- to 16.8-fold change). Stimulation of the pregnane X receptor led to higher CYP3A4 induction in two cell lines. In sum, we identified the two cell lines HROC183 T0 M2 and HROC217 T1 M2 as useful tools for in vitro drug absorption studies. Due to their high TEER values and inducibility by drug receptor ligands, they may be superior to Caco-2 cells to analyze oral drug absorption and intestinal drug–drug interactions. Significance statement: Selecting appropriate candidates is important in preclinical drug development. Therefore, cell models to predict absorption from the human intestine are of the utmost importance. This study revealed that the human cell lines HROC183 T0 M2 and HROC217 T1 M2 may be better suited models and possess higher predictive power of pregnane X receptor- and vitamin D-mediated drug metabolism than Caco-2 cells. Consequently, they represent useful tools for predicting intestinal absorption and simultaneously enable assessment of membrane permeability and first-pass metabolism.
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Affiliation(s)
- Randy Przybylla
- Molecular Oncology and Immunotherapy, Clinic of General Surgery, 18057 Rostock, Germany
| | | | - Mathias Krohn
- Molecular Oncology and Immunotherapy, Clinic of General Surgery, 18057 Rostock, Germany
| | - Stefan Oswald
- Institute of Pharmacology and Toxicology, Rostock University Medical Center, 18057 Rostock, Germany
| | - Michael Linnebacher
- Molecular Oncology and Immunotherapy, Clinic of General Surgery, 18057 Rostock, Germany
- Correspondence:
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5
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González CM, Gaikwad S, Lasanta G, Loureiro J, Nilsson N, Peluso-Iltis C, Rochel N, Mouriño A. Design, synthesis and evaluation of side-chain hydroxylated derivatives of lithocholic acid as potent agonists of the vitamin D receptor (VDR). Bioorg Chem 2021; 115:105202. [PMID: 34339974 DOI: 10.1016/j.bioorg.2021.105202] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 06/25/2021] [Accepted: 07/19/2021] [Indexed: 11/30/2022]
Abstract
A high number of biologically active and low-calcemic secosteroidal ligands of the vitamin D receptor (VDR) have been developed, some of which are already used clinically although with limited success in the treatment of hyperproliferative diseases because the required pharmaceutical dosages induce toxicity. We describe here the in silico design, synthesis, structural analysis and biological evaluation of two novel active lithocholic acid derivatives hydroxylated at the side chain as highly potent inhibitors of atopic dermatitis-relevant keratinocyte inflammation of potential therapeutic interest.
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Affiliation(s)
- Carmen M González
- Departamento de Química Orgánica, Laboratorio de Investigación Ignacio Ribas, Universidad de Santiago de Compostela, Avda das Ciencias s/n, 15782 Santiago de Compostela, Spain
| | - Sunil Gaikwad
- Departamento de Química Orgánica, Laboratorio de Investigación Ignacio Ribas, Universidad de Santiago de Compostela, Avda das Ciencias s/n, 15782 Santiago de Compostela, Spain
| | - Gonzalo Lasanta
- Departamento de Química Orgánica, Laboratorio de Investigación Ignacio Ribas, Universidad de Santiago de Compostela, Avda das Ciencias s/n, 15782 Santiago de Compostela, Spain
| | - Julian Loureiro
- Departamento de Química Orgánica, Laboratorio de Investigación Ignacio Ribas, Universidad de Santiago de Compostela, Avda das Ciencias s/n, 15782 Santiago de Compostela, Spain
| | - Niclas Nilsson
- LEO Pharma, Open Innovation, Industriparken 55, 2750 Ballerup, Denmark
| | - Carole Peluso-Iltis
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), 67400 Illkirch, France; Institut National de La Santé et de La Recherche Médicale (INSERM), U1258, 67400 Illkirch, France; Centre National de Recherche Scientifique (CNRS), UMR7104, 67400 Illkirch, France; Université de Strasbourg, 67400 Illkirch, France
| | - Natacha Rochel
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), 67400 Illkirch, France; Institut National de La Santé et de La Recherche Médicale (INSERM), U1258, 67400 Illkirch, France; Centre National de Recherche Scientifique (CNRS), UMR7104, 67400 Illkirch, France; Université de Strasbourg, 67400 Illkirch, France.
| | - Antonio Mouriño
- Departamento de Química Orgánica, Laboratorio de Investigación Ignacio Ribas, Universidad de Santiago de Compostela, Avda das Ciencias s/n, 15782 Santiago de Compostela, Spain.
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6
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Kang Z, Wang C, Tong Y, Li Y, Gao Y, Hou S, Hao M, Han X, Wang B, Wang Q, Zhang C. Novel Nonsecosteroidal Vitamin D Receptor Modulator Combined with Gemcitabine Enhances Pancreatic Cancer Therapy through Remodeling of the Tumor Microenvironment. J Med Chem 2020; 64:629-643. [PMID: 33381963 DOI: 10.1021/acs.jmedchem.0c01197] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In a pancreatic tumor microenvironment, activated pancreatic stellate cells (PSCs) produce extracellular matrix (ECM) to form a barrier to drug penetration. Moreover, the interaction between cancer cells and activated PSCs promotes the tumor growth. Vitamin D receptor (VDR), as a key regulator to promote the recovery of PSCs to the resting state, is an attractive therapeutic target for pancreatic cancer. Herein, we reported the design and synthesis of 57 nonsecosteroidal VDR modulators based on the skeleton of phenyl-pyrrolyl pentane. Among them, compounds C4, I5, and I8 exhibited excellent VDR affinity and effective inhibition of the activation of PSCs, as well as potent suppression of the interaction between cancer cells and PSCs in vitro. In vivo, compound I5 combined with gemcitabine achieved efficacious antitumor activity without causing hypercalcemia. In conclusion, the compounds designed in our study can remodel the tumor microenvironment and are expected to be candidates for the treatment of pancreatic cancer.
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Affiliation(s)
- Zisheng Kang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Cong Wang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Yu Tong
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Yanyi Li
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Yi Gao
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Siyuan Hou
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Meixi Hao
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Xiaolin Han
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Bin Wang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Qianqian Wang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
| | - Can Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, Nanjing 210009, P.R. China
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7
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Caccamo D, Ricca S, Currò M, Ientile R. Health Risks of Hypovitaminosis D: A Review of New Molecular Insights. Int J Mol Sci 2018; 19:ijms19030892. [PMID: 29562608 PMCID: PMC5877753 DOI: 10.3390/ijms19030892] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 03/13/2018] [Accepted: 03/15/2018] [Indexed: 02/06/2023] Open
Abstract
Hypovitaminosis D has become a pandemic, being observed in all ethnicities and age groups worldwide. Environmental factors, such as increased air pollution and reduced ultraviolet B (UVB) irradiation, as well as lifestyle factors, i.e., decreased outdoor activities and/or poor intake of vitamin D-rich food, are likely involved in the etiology of a dramatic reduction of vitamin D circulating levels. The insufficiency/deficiency of vitamin D has long been known for its association with osteoporosis and rickets. However, in the last few decades it has become a serious public health concern since it has been shown to be independently associated with various chronic pathological conditions such as cancer, coronary heart disease, neurological diseases, type II diabetes, autoimmune diseases, depression, with various inflammatory disorders, and with increased risk for all-cause mortality in the general population. Prevention strategies for these disorders have recently involved supplementation with either vitamin D2 or vitamin D3 or their analogs at required daily doses and tolerable upper-limit levels. This review will focus on the emerging evidence about non-classical biological functions of vitamin D in various disorders.
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Affiliation(s)
- Daniela Caccamo
- Department of Biomedical Sciences, Dental Sciences, and Morpho-functional Imaging, University of Messina, 98125 Messina, Italy.
| | - Sergio Ricca
- Department of Biomedical Sciences, Dental Sciences, and Morpho-functional Imaging, University of Messina, 98125 Messina, Italy.
| | - Monica Currò
- Department of Biomedical Sciences, Dental Sciences, and Morpho-functional Imaging, University of Messina, 98125 Messina, Italy.
| | - Riccardo Ientile
- Department of Biomedical Sciences, Dental Sciences, and Morpho-functional Imaging, University of Messina, 98125 Messina, Italy.
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8
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Teske KA, Rai G, Nandhikonda P, Sidhu PS, Feleke B, Simeonov A, Yasgar A, Jadhav A, Maloney DJ, Arnold LA. Parallel Chemistry Approach to Identify Novel Nuclear Receptor Ligands Based on the GW0742 Scaffold. ACS COMBINATORIAL SCIENCE 2017; 19:646-656. [PMID: 28825467 DOI: 10.1021/acscombsci.7b00066] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We describe the parallel synthesis of novel analogs of GW0742, a peroxisome proliferator-activated receptor δ (PPARδ) agonist. For that purpose, modified reaction conditions were applied, such as a solid-phase palladium-catalyzed Suzuki coupling. In addition, tetrazole-based compounds were generated as a bioisostere for carboxylic acid-containing ligand GW0742. The new compounds were investigated for their ability to activate PPARδ mediated transcription and their cross-reactivity with the vitamin D receptor (VDR), another member of the nuclear receptor superfamily. We identified many potent PPARδ agonists that were less toxic than GW0742, where ∼65 of the compounds synthesized exhibited partial PPARδ activity (23-98%) with EC50 values ranging from 0.007-18.2 μM. Some ligands, such as compound 32, were more potent inhibitors of VDR-mediated transcription with significantly reduced PPARδ activity than GW0742, however, none of the ligands were completely selective for VDR inhibition over PPARδ activation of transcription.
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Affiliation(s)
- Kelly A. Teske
- Department
of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin, Milwaukee, Wisconsin 53211, United States
| | - Ganesha Rai
- NIH
Chemical Genomics Center, National Center for Advancing Translational
Sciences (NCATS), National Institutes of Health, Bethesda, Maryland 20892-3370, United States
| | - Premchendar Nandhikonda
- Department
of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin, Milwaukee, Wisconsin 53211, United States
| | - Preetpal S. Sidhu
- Department
of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin, Milwaukee, Wisconsin 53211, United States
| | - Belaynesh Feleke
- Department
of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin, Milwaukee, Wisconsin 53211, United States
| | - Anton Simeonov
- NIH
Chemical Genomics Center, National Center for Advancing Translational
Sciences (NCATS), National Institutes of Health, Bethesda, Maryland 20892-3370, United States
| | - Adam Yasgar
- NIH
Chemical Genomics Center, National Center for Advancing Translational
Sciences (NCATS), National Institutes of Health, Bethesda, Maryland 20892-3370, United States
| | - Ajit Jadhav
- NIH
Chemical Genomics Center, National Center for Advancing Translational
Sciences (NCATS), National Institutes of Health, Bethesda, Maryland 20892-3370, United States
| | - David J. Maloney
- NIH
Chemical Genomics Center, National Center for Advancing Translational
Sciences (NCATS), National Institutes of Health, Bethesda, Maryland 20892-3370, United States
| | - Leggy A. Arnold
- Department
of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin, Milwaukee, Wisconsin 53211, United States
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9
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Tukaj S, Bieber K, Witte M, Ghorbanalipoor S, Schmidt E, Zillikens D, Ludwig RJ, Kasperkiewicz M. Calcitriol Treatment Ameliorates Inflammation and Blistering in Mouse Models of Epidermolysis Bullosa Acquisita. J Invest Dermatol 2017; 138:301-309. [PMID: 28942362 DOI: 10.1016/j.jid.2017.09.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 08/29/2017] [Accepted: 09/05/2017] [Indexed: 12/30/2022]
Abstract
A link between hypovitaminosis D and development of autoimmune bullous disorders has been suggested recently, but this association has not been elaborated experimentally. Here, the role of vitamin D was investigated in epidermolysis bullosa acquisita (EBA), an anti-type VII collagen autoantibody-induced blistering skin disease. Oral administration of the hormonally active vitamin D metabolite calcitriol ameliorated clinical disease severity and dermal neutrophil infiltration in both an antibody transfer- and immunization-induced EBA mouse model. Mechanistically, calcitriol hindered immune effector cell activation as evidenced by increased L-selectin expression on Gr-1+ cells in calcitriol-treated mice with antibody transfer-induced EBA, as well as suppressed in vitro immune complex-induced reactive oxygen species production in calcitriol-treated murine neutrophils. Additionally, calcitriol administration was associated with an increase of regulatory T (CD4+FoxP3+) and B (CD19+IL10+) cells as well as reduction of pro-inflammatory T helper 17 (CD4+IL-17+) cells in mice with immunization-induced EBA. In line, levels of circulating anti-type VII collagen autoantibodies were lower in mice that received calcitriol compared to solvent-treated animals. Together with the observed state of hypovitaminosis D in most cases of an analyzed EBA patient cohort, the results of this study support the use of vitamin D derivatives or analogs for patients with EBA and related diseases.
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Affiliation(s)
- Stefan Tukaj
- Department of Molecular Biology, Faculty of Biology, University of Gdańsk, Poland.
| | - Katja Bieber
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Germany
| | - Mareike Witte
- Department of Dermatology, University of Lübeck, Germany
| | | | - Enno Schmidt
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Germany; Department of Dermatology, University of Lübeck, Germany
| | - Detlef Zillikens
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Germany; Department of Dermatology, University of Lübeck, Germany
| | - Ralf J Ludwig
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Germany; Department of Dermatology, University of Lübeck, Germany
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10
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Ishizawa M, Akagi D, Yamamoto J, Makishima M. 1α,25-Dihydroxyvitamin D 3 enhances TRPV6 transcription through p38 MAPK activation and GADD45 expression. J Steroid Biochem Mol Biol 2017; 172:55-61. [PMID: 28578001 DOI: 10.1016/j.jsbmb.2017.05.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 05/25/2017] [Accepted: 05/28/2017] [Indexed: 01/01/2023]
Abstract
The active form of vitamin D, 1α,25-dihydroxyvitamin D3 [1,25(OH)2D3], acts as a ligand for the vitamin D receptor (VDR), and regulates various physiological processes, including calcium and bone metabolism, cellular growth and differentiation, immunity and cardiovascular function. A number of vitamin D derivatives have been synthesized for the treatment of cancer and inflammatory disease, but the adverse effect of hypercalcemic activity due to intestinal calcium absorption has limited wide clinical application. The VDR target gene product TRPV6 is essential for intestinal calcium absorption. Our prior study has demonstrated that 1,25(OH)2D3 induces TRPV6 mRNA expression at lower concentrations than for induction of CYP24A1, a VDR target gene involved in vitamin D inactivation, in intestinal SW480 cells, suggesting an additional mechanism for vitamin D signaling on TRPV6 induction. By searching for a signal transduction pathway involved in 1,25(OH)2D3-induced expression of TRPV6, we found that a p38 mitogen-activated protein kinase (MAPK) inhibitor reduces the expression of TRPV6 but not CYP24A1 in 1,25(OH)2D3-treated SW480 cells. Knockdown experiments showed that p38α is involved in 1,25(OH)2D3-induced expression of TRPV6 but not CYP24A1. Treatment with a de novo protein synthesis inhibitor suppressed 1,25(OH)2D3-induced TRPV6 expression. Finally, we found that 1,25(OH)2D3 treatment induced expression of GADD45A, which encodes the GADD45α MAPK kinase kinase activator, earlier than TRPV6 expression and that GADD45A knockdown reduced TRPV6 induction by 1,25(OH)2D3. These findings indicate that p38α and GADD45α are involved in an enhanced vitamin D signaling on TRPV6 expression.
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Affiliation(s)
- Michiyasu Ishizawa
- Division of Biochemistry, Department of Biomedical Sciences, Nihon University School of Medicine, 30-1 Oyaguchi-kamicho, Itabashi-ku, Tokyo 173-8610, Japan
| | - Daisuke Akagi
- Division of Biochemistry, Department of Biomedical Sciences, Nihon University School of Medicine, 30-1 Oyaguchi-kamicho, Itabashi-ku, Tokyo 173-8610, Japan; Department of Applied Biological Science, Nihon University College of Bioresource Sciences, Fujisawa, Kanagawa 252-8510, Japan
| | - Jumpei Yamamoto
- Division of Biochemistry, Department of Biomedical Sciences, Nihon University School of Medicine, 30-1 Oyaguchi-kamicho, Itabashi-ku, Tokyo 173-8610, Japan; Department of Applied Biological Science, Nihon University College of Bioresource Sciences, Fujisawa, Kanagawa 252-8510, Japan
| | - Makoto Makishima
- Division of Biochemistry, Department of Biomedical Sciences, Nihon University School of Medicine, 30-1 Oyaguchi-kamicho, Itabashi-ku, Tokyo 173-8610, Japan.
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11
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Asano L, Waku T, Abe R, Kuwabara N, Ito I, Yanagisawa J, Nagasawa K, Shimizu T. Regulation of the vitamin D receptor by vitamin D lactam derivatives. FEBS Lett 2016; 590:3270-9. [PMID: 27500498 DOI: 10.1002/1873-3468.12348] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 08/01/2016] [Accepted: 08/02/2016] [Indexed: 11/06/2022]
Abstract
The active metabolite of vitamin D3 , 1α,25-dihydroxyvitamin D3 , acts as a ligand for the vitamin D receptor (VDR) and activates VDR-mediated gene expression. Recently, we characterized 1α,25-dihydroxyvitamin D3 -26,23-lactams (DLAMs), which mimic vitamin D3 metabolites, as noncalcemic VDR ligands that barely activate the receptor. In this study, we present structural insights onto the regulation of VDR function by DLAMs. X-ray crystallographic analysis revealed that DLAMs induced a large conformational change in the loop region between helices H6 and H7 in the VDR ligand-binding domain. Our structural analysis suggests that targeting of the loop region may be a new mode of VDR regulation.
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Affiliation(s)
- Lisa Asano
- Institute for Chemical Research, Kyoto University, Uji, Kyoto, Japan
| | - Tsuyoshi Waku
- Laboratory for Genetic Code, Graduate School of Life and Medical Sciences, Doshisha University, Kyotanabe, Kyoto, Japan
| | - Rumi Abe
- Department of Biotechnology and Life Science, Faculty of Technology, Tokyo University of Agriculture and Technology, Koganei, Tokyo, Japan
| | - Naoyuki Kuwabara
- Structural Biology Research Center, Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan
| | - Ichiaki Ito
- Graduate School of Life and Environmental Sciences/Life Science Center of Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Junn Yanagisawa
- Graduate School of Life and Environmental Sciences/Life Science Center of Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Kazuo Nagasawa
- Department of Biotechnology and Life Science, Faculty of Technology, Tokyo University of Agriculture and Technology, Koganei, Tokyo, Japan
| | - Toshiyuki Shimizu
- Graduate School of Pharmaceutical Sciences, University of Tokyo, Bunkyo-ku, Tokyo, Japan.
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Maestro MA, Molnár F, Mouriño A, Carlberg C. Vitamin D receptor 2016: novel ligands and structural insights. Expert Opin Ther Pat 2016; 26:1291-1306. [PMID: 27454349 DOI: 10.1080/13543776.2016.1216547] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
INTRODUCTION Vitamin D3 activates via its hormonal form 1α,25-dihydroxyvitamin D3 (1α,25(OH)2D3), the transcription factor vitamin D receptor (VDR). VDR is expressed in most human tissues and has more than 1,000 target genes. Thus, 1α,25(OH)2D3 and its synthetic analogs have a broad physiological impact. The crystal structures of the VDR ligand-binding domain (LBD), and its various ligands, allows further the understanding of the receptor's molecular actions. Areas covered: We discuss the most important novel VDR ligands and the further insight derived from new structural information on VDR. Expert opinion: There is an increasing appreciation of the impact of vitamin D and its receptor VDR not only in bone biology, but also for metabolic diseases, immunological disorders, and cancer. Detailed structural analysis of the interaction of additional novel ligands with VDR highlight helices 6 and 7 of the LBD as being most critical for stabilizing the receptor for an efficient interaction with co-activator proteins, i.e. for efficient agonistic action. This permits the design of even more effective VDR agonists. In addition, chemists took more liberty in replacing major parts of the 1α,25(OH)2D3 molecule, such as the A- and CD-rings or the side chain, with significantly different structures, such as carboranes, and still obtained functional VDR agonists.
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Affiliation(s)
- Miguel A Maestro
- a Departamento de Química Fundamental, Facultad de Ciencias , Universidade da Coruña , Coruña , Spain
| | - Ferdinand Molnár
- b School of Pharmacy, Institute of Biopharmacy , University of Eastern Finland , Kuopio , Finland
| | - Antonio Mouriño
- c Departamento de Química Orgánica, Facultad de Química , Universidad de Santiago , Santiago de Compostela , Spain
| | - Carsten Carlberg
- d School of Medicine, Institute of Biomedicine , University of Eastern Finland , Kuopio , Finland
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