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Hill DR, Huters AD, Towne TB, Reddy RE, Fogle JL, Voight EA, Kym PR. Parkinson's Disease: Advances in Treatment and the Syntheses of Various Classes of Pharmaceutical Drug Substances. Chem Rev 2023; 123:13693-13712. [PMID: 37975808 DOI: 10.1021/acs.chemrev.3c00479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
An overview of Parkinson's disease (PD) prevalence, diagnosis, and currently available treatment options is provided. A comprehensive list of different classes of marketed pharmaceutical drug products and the syntheses of various drug substances are summarized based on published literature.
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Bai L, Li X, Yang Y, Zhao R, White EZ, Danaher A, Bowen NJ, Hinton CV, Cook N, Li D, Wu AY, Qui M, Du Y, Fu H, Kucuk O, Wu D. Bromocriptine monotherapy overcomes prostate cancer chemoresistance in preclinical models. Transl Oncol 2023; 34:101707. [PMID: 37271121 PMCID: PMC10248552 DOI: 10.1016/j.tranon.2023.101707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 05/12/2023] [Accepted: 05/29/2023] [Indexed: 06/06/2023] Open
Abstract
Chemoresistance is a major obstacle in the clinical management of metastatic, castration-resistant prostate cancer (PCa). It is imperative to develop novel strategies to overcome chemoresistance and improve clinical outcomes in patients who have failed chemotherapy. Using a two-tier phenotypic screening platform, we identified bromocriptine mesylate as a potent and selective inhibitor of chemoresistant PCa cells. Bromocriptine effectively induced cell cycle arrest and activated apoptosis in chemoresistant PCa cells but not in chemoresponsive PCa cells. RNA-seq analyses revealed that bromocriptine affected a subset of genes implicated in the regulation of the cell cycle, DNA repair, and cell death. Interestingly, approximately one-third (50/157) of the differentially expressed genes affected by bromocriptine overlapped with known p53-p21- retinoblastoma protein (RB) target genes. At the protein level, bromocriptine increased the expression of dopamine D2 receptor (DRD2) and affected several classical and non-classical dopamine receptor signal pathways in chemoresistant PCa cells, including adenosine monophosphate-activated protein kinase (AMPK), p38 mitogen-activated protein kinase (p38 MAPK), nuclear factor kappa B (NF-κB), enhancer of zeste homolog 2 (EZH2), and survivin. As a monotherapy, bromocriptine treatment at 15 mg/kg, three times per week, via the intraperitoneal route significantly inhibited the skeletal growth of chemoresistant C4-2B-TaxR xenografts in athymic nude mice. In summary, these results provided the first preclinical evidence that bromocriptine is a selective and effective inhibitor of chemoresistant PCa. Due to its favorable clinical safety profiles, bromocriptine could be rapidly tested in PCa patients and repurposed as a novel subtype-specific treatment to overcome chemoresistance.
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Affiliation(s)
- Lijuan Bai
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Molecular Oncology and Biomarkers Program, Georgia Cancer Center; Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Xin Li
- Molecular Oncology and Biomarkers Program, Georgia Cancer Center; Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Center for Cancer Research and Therapeutic Development and Department of Biological Sciences, Clark Atlanta University, Atlanta, GA, USA
| | - Yang Yang
- Molecular Oncology and Biomarkers Program, Georgia Cancer Center; Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rui Zhao
- Molecular Oncology and Biomarkers Program, Georgia Cancer Center; Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Department of Urology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - Elshaddai Z. White
- Center for Cancer Research and Therapeutic Development and Department of Biological Sciences, Clark Atlanta University, Atlanta, GA, USA
| | - Alira Danaher
- Center for Cancer Research and Therapeutic Development and Department of Biological Sciences, Clark Atlanta University, Atlanta, GA, USA
| | - Nathan J. Bowen
- Center for Cancer Research and Therapeutic Development and Department of Biological Sciences, Clark Atlanta University, Atlanta, GA, USA
| | - Cimona V. Hinton
- Center for Cancer Research and Therapeutic Development and Department of Biological Sciences, Clark Atlanta University, Atlanta, GA, USA
| | - Nicholas Cook
- Center for Cancer Research and Therapeutic Development and Department of Biological Sciences, Clark Atlanta University, Atlanta, GA, USA
| | - Dehong Li
- Center for Cancer Research and Therapeutic Development and Department of Biological Sciences, Clark Atlanta University, Atlanta, GA, USA
| | - Alyssa Y. Wu
- Emory College of Arts and Sciences, Atlanta, GA, USA
| | - Min Qui
- Department of Pharmacology and Chemical Biology, and Emory Chemical Biology Discovery Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Yuhong Du
- Department of Pharmacology and Chemical Biology, and Emory Chemical Biology Discovery Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Haian Fu
- Department of Pharmacology and Chemical Biology, and Emory Chemical Biology Discovery Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Omer Kucuk
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA, USA
- Department of Urology, Emory University School of Medicine, Atlanta, GA, USA
| | - Daqing Wu
- Molecular Oncology and Biomarkers Program, Georgia Cancer Center; Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA
- Center for Cancer Research and Therapeutic Development and Department of Biological Sciences, Clark Atlanta University, Atlanta, GA, USA
- Department of Urology, Emory University School of Medicine, Atlanta, GA, USA
- MetCure Therapeutics LLC, Atlanta, GA, USA
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Krysiak R, Basiak M, Szkróbka W, Okopień B. Impaired Cardiometabolic Effects of Bromocriptine in Men With Early-Onset Androgenic Alopecia. J Clin Pharmacol 2023; 63:345-351. [PMID: 36222207 DOI: 10.1002/jcph.2163] [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: 08/11/2022] [Accepted: 09/27/2022] [Indexed: 11/05/2022]
Abstract
Both hyperprolactinemia and early-onset androgenic alopecia are associated with increased cardiometabolic risk. The aim of this study was to assess whether early-onset male-pattern baldness modifies cardiometabolic effects of bromocriptine in men with prolactin excess. The study included 2 groups of men with prolactin excess: individuals with early-onset androgenic alopecia (group 1) and individuals with normal hair growth (group 2). Both groups were matched for age, smoking habits, body mass index, blood pressure, and prolactin levels. Over the entire study period (4 months), all participants were treated with bromocriptine (7.5 mg daily). Plasma levels of hormones (prolactin, total testosterone, and bioavailable testosterone), glucose homeostasis markers, lipids, uric acid, high-sensitivity C-reactive protein (hsCRP), fibrinogen, homocysteine, and the urinary albumin-to-creatinine ratio (UACR) were measured at the beginning and at the end of the study period. The two groups differed in total testosterone, bioavailable testosterone, insulin sensitivity, high-density lipoprotein (HDL) cholesterol, triglycerides, uric acid, hsCRP, fibrinogen, homocysteine, and UACR. In both groups, bromocriptine reduced prolactin, increased total and bioavailable testosterone, improved insulin sensitivity, and decreased uric acid, hsCRP, and homocysteine. The impact on prolactin, insulin sensitivity, uric acid, hsCRP, and homocysteine was stronger in group 2 than in group 1. Only in group 2 did the drug increase HDL cholesterol and decrease triglycerides, fibrinogen, and UACR. The impact on cardiometabolic risk factors correlated with a reduction in prolactin levels and an improvement in insulin sensitivity, and, in group 1, inversely correlated with testosterone levels. The obtained results suggest that men with early-onset androgenic alopecia are partially resistant to the cardiometabolic effects of bromocriptine.
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Affiliation(s)
- Robert Krysiak
- Department of Internal Medicine and Clinical Pharmacology, Medical University of Silesia, Katowice, Poland
| | - Marcin Basiak
- Department of Internal Medicine and Clinical Pharmacology, Medical University of Silesia, Katowice, Poland
| | - Witold Szkróbka
- Department of Internal Medicine and Clinical Pharmacology, Medical University of Silesia, Katowice, Poland
| | - Bogusław Okopień
- Department of Internal Medicine and Clinical Pharmacology, Medical University of Silesia, Katowice, Poland
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Tang Y, Ponandai-srinivasan S, Frisendahl C, Andersson JK, Pavone D, Stewart EA, Lalitkumar PGL, Korsching E, Bogavarappu NR, Gemzell-Danielsson K. Bromocriptine inhibits proliferation in the endometrium from women with adenomyosis. Front Endocrinol (Lausanne) 2023; 14:1026168. [PMID: 36967761 PMCID: PMC10034369 DOI: 10.3389/fendo.2023.1026168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 02/14/2023] [Indexed: 03/11/2023] Open
Abstract
OBJECTIVE Bromocriptine treatment has been shown to reduce menstrual bleeding and pain in women with adenomyosis in a pilot clinical trial. The underlying mechanism contributing to the treatment effect is however unknown. The purpose of this study was to explore the effect of bromocriptine on the proliferation and migration properties of the endometrium in women with adenomyosis, by assessing cellular and molecular changes after six months of vaginal bromocriptine treatment. METHODS Endometrial specimens were collected during the proliferative phase from women with adenomyosis (n=6) before (baseline) and after six months of treatment with vaginal bromocriptine. Immunohistochemistry was used to determine changes in the protein expression of Ki67 in the endometrium of women with adenomyosis. Primary endometrial stromal cells isolated at baseline were expanded in vitro and exposed to different doses of bromocriptine to determine the optimal half-maximum inhibitory concentration (IC50) using CellTiter-Blue® Cell Viability Assay. Cell proliferation was assessed by bromodeoxyuridine ELISA assay and Ki67 gene expression was checked by real-time PCR. The migratory ability of endometrial stromal cells was determined by wound healing and transwell migration assays. Small RNA sequencing was applied on tissues collected from women with adenomyosis before and after bromocriptine treatment to identify differentially expressed microRNAs (miRNAs) after bromocriptine treatment. Bioinformatic methods were used for target gene prediction and the identification of biological pathways by enrichment procedures. RESULTS Vaginal bromocriptine treatment reduced the Ki67 protein expression in the endometrium of women with adenomyosis and did not change the prolactin mRNA expression and protein concentration of prolactin in endometrial tissues. Bromocriptine significantly inhibited the proliferative and migrative abilities of endometrial stromal cells derived from women with adenomyosis in vitro. Moreover, small RNA sequencing revealed 27 differentially expressed miRNAs between the endometrium of women with adenomyosis before and after six months of vaginal bromocriptine treatment. KEGG pathway analysis on targeted genes of 27 miRNAs showed that several signaling pathways associated with cell proliferation and apoptosis were enriched after bromocriptine treatment. CONCLUSION Bromocriptine treatment exhibits an anti-proliferative effect in the endometrium of women with adenomyosis in vivo and in vitro. Bromocriptine might inhibit the proliferation of endometrial tissue in adenomyosis in part through the regulation of dysregulated microRNAs and proliferation-associated signaling pathways.
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Affiliation(s)
- Yiqun Tang
- Division of Neonatology, Obstetrics and Gynecology, Department of Women’s and Children’s Health, Karolinska Institutet, and WHO Collaborating Centre, Karolinska University Hospital, Stockholm, Sweden
- *Correspondence: Yiqun Tang,
| | - Sakthivignesh Ponandai-srinivasan
- Division of Neonatology, Obstetrics and Gynecology, Department of Women’s and Children’s Health, Karolinska Institutet, and WHO Collaborating Centre, Karolinska University Hospital, Stockholm, Sweden
| | - Caroline Frisendahl
- Division of Neonatology, Obstetrics and Gynecology, Department of Women’s and Children’s Health, Karolinska Institutet, and WHO Collaborating Centre, Karolinska University Hospital, Stockholm, Sweden
| | - Johanna K. Andersson
- Division of Neonatology, Obstetrics and Gynecology, Department of Women’s and Children’s Health, Karolinska Institutet, and WHO Collaborating Centre, Karolinska University Hospital, Stockholm, Sweden
| | - Dora Pavone
- Division of Neonatology, Obstetrics and Gynecology, Department of Women’s and Children’s Health, Karolinska Institutet, and WHO Collaborating Centre, Karolinska University Hospital, Stockholm, Sweden
| | - Elizabeth A. Stewart
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics & Gynecology, Mayo Clinic, Rochester, MN, United States
| | - Parameswaran Grace Luther Lalitkumar
- Division of Neonatology, Obstetrics and Gynecology, Department of Women’s and Children’s Health, Karolinska Institutet, and WHO Collaborating Centre, Karolinska University Hospital, Stockholm, Sweden
| | - Eberhard Korsching
- Institutet of Bioinformatics, University Hospital of Münster, University of Münster, Münster, Germany
| | - Nageswara Rao Bogavarappu
- Division of Neonatology, Obstetrics and Gynecology, Department of Women’s and Children’s Health, Karolinska Institutet, and WHO Collaborating Centre, Karolinska University Hospital, Stockholm, Sweden
| | - Kristina Gemzell-Danielsson
- Division of Neonatology, Obstetrics and Gynecology, Department of Women’s and Children’s Health, Karolinska Institutet, and WHO Collaborating Centre, Karolinska University Hospital, Stockholm, Sweden
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Naz F, Malik A, Riaz M, Mahmood Q, Mehmood MH, Rasool G, Mahmood Z, Abbas M. Bromocriptine Therapy: Review of mechanism of action, safety and tolerability. Clin Exp Pharmacol Physiol 2022; 49:903-922. [DOI: 10.1111/1440-1681.13678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Faiza Naz
- Punjab University College of Pharmacy University of the Punjab Lahore Pakistan
| | - Abdul Malik
- College of Pharmacy University of Sargodha Sargodha Pakistan
| | - Muhammad Riaz
- Department of Allied Health Sciences University of Sargodha Sargodha Pakistan
| | - Qaisar Mahmood
- College of Pharmacy University of Sargodha Sargodha Pakistan
| | - Malik Hassan Mehmood
- Department of Pharmacology, Faculty of Pharmaceutical Sciences Government College University Faisalabad Pakistan
| | - Ghulam Rasool
- Department of Allied Health Sciences University of Sargodha Sargodha Pakistan
| | - Zahed Mahmood
- Department of Biochemistry Government College University Faisalabad Pakistan
| | - Mazhar Abbas
- Department of Biochemistry College of Veterinary and Animal Sciences, University of Veterinary and Animal Sciences (Jhang Campus) Lahore Pakistan
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Grzybowski A, Pawlikowska-Łagód K, Polak A. Ergotism and Saint Anthony's fire. Clin Dermatol 2021; 39:1088-1094. [PMID: 34920829 DOI: 10.1016/j.clindermatol.2021.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
It has been widely accepted that ergot is a fungal disease caused by infection with the parasitic Claviceps purpurea leading to the development of typical black kernels n the plant. Ingestion of infected rye grains containing ergot alkaloids-usually in the form of contaminated rye bread-causes poisoning, also known as ergotism. The negative impacts of ergot contamination of grain on the health of humans and animals were first documented in ancient times. The history of ergotism shows the influence of food on human health. Although ergot has been known for ages, until the 18th century, its nature was not recognized. It was a part of the rye plant and it was used in traditional medicine. The diet was based was mostly on rye that led to neurologic disorders and gangrene. In the Middle Ages, in regions where rye was a dietary staple, many cases of a peculiar epidemic were recorded. Two names are usually used to describe it: "Saint Anthony's fire" and "holy fire," although there are many more appellations. The history of ergotism is a very important part of history of dermatology. The saint who people prayed to for protection against the disease was Anthony the Great (251-356). Monks of the Order of Saint Anthony played a particular role in treating ergotism by natural methods and specialized in treating skin diseases. Ergot alkaloids still pose a risk to human and animal safety if they appear in food.
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Affiliation(s)
- Andrzej Grzybowski
- Department of Ophthalmology, University of Warmia and Mazury, Olsztyn, Poland; Institute for Research in Ophthalmology, Poznan, Poland.
| | | | - Agnieszka Polak
- Department of Humanities and Social Medicine Medical University of Lublin, Lublin, Poland
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Henderson MJ, Trychta KA, Yang SM, Bäck S, Yasgar A, Wires ES, Danchik C, Yan X, Yano H, Shi L, Wu KJ, Wang AQ, Tao D, Zahoránszky-Kőhalmi G, Hu X, Xu X, Maloney D, Zakharov AV, Rai G, Urano F, Airavaara M, Gavrilova O, Jadhav A, Wang Y, Simeonov A, Harvey BK. A target-agnostic screen identifies approved drugs to stabilize the endoplasmic reticulum-resident proteome. Cell Rep 2021; 35:109040. [PMID: 33910017 DOI: 10.1016/j.celrep.2021.109040] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 02/12/2021] [Accepted: 04/06/2021] [Indexed: 12/24/2022] Open
Abstract
Endoplasmic reticulum (ER) dysregulation is associated with pathologies including neurodegenerative, muscular, and diabetic conditions. Depletion of ER calcium can lead to the loss of resident proteins in a process termed exodosis. To identify compounds that attenuate the redistribution of ER proteins under pathological conditions, we performed a quantitative high-throughput screen using the Gaussia luciferase (GLuc)-secreted ER calcium modulated protein (SERCaMP) assay, which monitors secretion of ER-resident proteins triggered by calcium depletion. We identify several clinically used drugs, including bromocriptine, and further characterize them using assays to measure effects on ER calcium, ER stress, and ER exodosis. Bromocriptine elicits protective effects in cell-based models of exodosis as well as in vivo models of stroke and diabetes. Bromocriptine analogs with reduced dopamine receptor activity retain similar efficacy in stabilizing the ER proteome, indicating a non-canonical mechanism of action. This study describes a strategic approach to identify small-molecule drugs capable of improving ER proteostasis in human disease conditions.
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Affiliation(s)
- Mark J Henderson
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA.
| | - Kathleen A Trychta
- National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
| | - Shyh-Ming Yang
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Susanne Bäck
- National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
| | - Adam Yasgar
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Emily S Wires
- National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
| | - Carina Danchik
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Xiaokang Yan
- National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
| | - Hideaki Yano
- National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
| | - Lei Shi
- National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA
| | - Kuo-Jen Wu
- Center for Neuropsychiatric Research, National Health Research Institutes, Zhunan 35053, Taiwan
| | - Amy Q Wang
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Dingyin Tao
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Gergely Zahoránszky-Kőhalmi
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Xin Hu
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Xin Xu
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - David Maloney
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Alexey V Zakharov
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Ganesha Rai
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Fumihiko Urano
- Department of Medicine, Division of Endocrinology, Metabolism, and Lipid Research, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - Mikko Airavaara
- Neuroscience Center, HiLIFE & Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Oksana Gavrilova
- National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD 20892, USA
| | - Ajit Jadhav
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Yun Wang
- Center for Neuropsychiatric Research, National Health Research Institutes, Zhunan 35053, Taiwan
| | - Anton Simeonov
- National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Brandon K Harvey
- National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD 21224, USA.
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Olarte-Avellaneda S, Cepeda Del Castillo J, Rojas-Rodriguez AF, Sánchez O, Rodríguez-López A, Suárez García DA, Pulido LMS, Alméciga-Díaz CJ. Bromocriptine as a Novel Pharmacological Chaperone for Mucopolysaccharidosis IV A. ACS Med Chem Lett 2020; 11:1377-1385. [PMID: 32676143 DOI: 10.1021/acsmedchemlett.0c00042] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 06/24/2020] [Indexed: 01/08/2023] Open
Abstract
Mucopolysaccharidosis IVA (MPS IVA) is a lysosomal storage disease caused by mutations in the gene encoding for the enzyme N-acetylgalactosamine-6-sulfate sulfatase (GALNS), leading to lysosomal accumulation of keratan sulfate (KS) and chondroitin-6-sulfate. In this study, we identified and characterized bromocriptine (BC) as a novel PC for MPS IVA. BC was identified through virtual screening and predicted to be docked within the active cavity of GALNS in a similar conformation to that observed for KS. BC interacted with similar residues to those predicted for natural GALNS substrates. In vitro inhibitory assay showed that BC at 50 μM reduced GALNS activity up to 30%. However, the activity of hrGALNS produced in HEK293 cells was increased up to 1.48-fold. BC increased GALNS activity and reduced lysosomal mass in MPS IVA fibroblasts in a mutation-dependent manner. Overall, these results show the potential of BC as a novel PC for MPS IVA and contribute to the consolidation of PCs as a potential therapy for this disease.
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Affiliation(s)
- Sergio Olarte-Avellaneda
- Institute for the Study of Inborn Errors of Metabolism, Faculty of Science, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
- Pharmacy Department, Faculty of Science, Universidad Nacional de Colombia, Bogotá D.C. 11001, Colombia
| | - Jacobo Cepeda Del Castillo
- Institute for the Study of Inborn Errors of Metabolism, Faculty of Science, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - Andrés Felipe Rojas-Rodriguez
- Computational and Structural Biochemistry, Biochemistry and Nutrition Department, Faculty of Science, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - Oscar Sánchez
- Neurobiochemistry and Systems Physiology, Biochemistry and Nutrition Department, Faculty of Science, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - Alexander Rodríguez-López
- Institute for the Study of Inborn Errors of Metabolism, Faculty of Science, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
- Chemistry Department, Faculty of Science, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
| | - Diego A. Suárez García
- Institute for the Study of Inborn Errors of Metabolism, Faculty of Science, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
- Faculty of Medicine, Universidad Nacional de Colombia, Bogotá D.C 11001, Colombia
| | - Luz Mary Salazar Pulido
- Chemistry Department, Faculty of Science, Universidad Nacional de Colombia, Bogotá D.C. 11001, Colombia
| | - Carlos J. Alméciga-Díaz
- Institute for the Study of Inborn Errors of Metabolism, Faculty of Science, Pontificia Universidad Javeriana, Bogotá D.C. 110231, Colombia
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Yin J, Chen KYM, Clark MJ, Hijazi M, Kumari P, Bai XC, Sunahara RK, Barth P, Rosenbaum DM. Structure of a D2 dopamine receptor-G-protein complex in a lipid membrane. Nature 2020; 584:125-129. [PMID: 32528175 PMCID: PMC7415663 DOI: 10.1038/s41586-020-2379-5] [Citation(s) in RCA: 117] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 04/08/2020] [Indexed: 12/28/2022]
Abstract
The D2 dopamine receptor (DRD2) is a therapeutic target for Parkinson’s disease1 and antipsychotic drugs2. DRD2 is activated by the endogenous neurotransmitter dopamine and synthetic agonist drugs such as bromocriptine3, leading to stimulation of Gi and inhibition of adenylyl cyclase. We used cryo-electron microscopy to elucidate the structure of an agonist-bound activated DRD2-Gi complex reconstituted into a phospholipid membrane. The extracellular ligand binding site of DRD2 is remodeled in response to agonist binding, with conformational changes in extracellular loop 2 (ECL2), transmembrane domain 5 (TM5), TM6, and TM7 propagating to opening of the intracellular Gi binding site. The DRD2-Gi structure represents the first experimental model of a GPCR-G protein complex embedded in a phospholipid bilayer, which serves as a benchmark to validate the interactions seen in previous detergent-bound structures. The structure also reveals interactions that are unique to the membrane-embedded complex, including helix 8 burial in the inner leaflet, ordered lysine and arginine sidechains in the membrane interfacial regions, and lipid anchoring of the G protein in the membrane. Our model of the activated DRD2 will help inform the design of subtype-selective DRD2 ligands for multiple human CNS disorders.
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Affiliation(s)
- Jie Yin
- Department of Biophysics, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Kuang-Yui M Chen
- Institute of Bioengineering, Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland
| | - Mary J Clark
- Department of Pharmacology, University of California San Diego School of Medicine, La Jolla, CA, USA
| | - Mahdi Hijazi
- Institute of Bioengineering, Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland
| | - Punita Kumari
- Department of Biophysics, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Xiao-Chen Bai
- Department of Biophysics, The University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Roger K Sunahara
- Department of Pharmacology, University of California San Diego School of Medicine, La Jolla, CA, USA.
| | - Patrick Barth
- Institute of Bioengineering, Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland.
| | - Daniel M Rosenbaum
- Department of Biophysics, The University of Texas Southwestern Medical Center, Dallas, TX, USA.
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Abstract
CONTEXT Prolactinomas in men are usually large and invasive, presenting with signs and symptoms of hypogonadism and mass effects, including visual damage. Prolactin levels are high, associated with low testosterone, anemia, metabolic syndrome and if long-standing also osteoporosis. RESULTS Medical treatment with the dopamine agonist, cabergoline, became the preferred first-line treatment for male prolactinomas as well as for giant tumors, leading to prolactin normalization in ~ 80% of treated men, and tumor shrinkage, improved visual fields and recovery of hypogonadism in most patients. Multi-modal approach including surgery and occasionally radiotherapy together with a high-dose cabergoline is saved for resistant and invasive adenomas. Experimental treatments including temozolomide or pasireotide may improve clinical response in men harboring resistant prolactinomas. CONCLUSIONS Compared to other pituitary adenomas, secreting and non-secreting, where pituitary surgery is the recommended first-line treatment, men with prolactinomas will usually respond to medical treatment with no need for any additional treatment.
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Affiliation(s)
- Hadar Duskin-Bitan
- Institute of Endocrinology and Metabolism, Rabin Medical Center - Beilinson Hospital, 4941492, Petach Tikva, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ilan Shimon
- Institute of Endocrinology and Metabolism, Rabin Medical Center - Beilinson Hospital, 4941492, Petach Tikva, Israel.
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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11
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Xia QP, Cheng ZY, He L. The modulatory role of dopamine receptors in brain neuroinflammation. Int Immunopharmacol 2019; 76:105908. [PMID: 31622861 DOI: 10.1016/j.intimp.2019.105908] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 09/03/2019] [Accepted: 09/08/2019] [Indexed: 01/11/2023]
Abstract
Neuroinflammation is a general pathological feature of central nervous system (CNS) diseases, primarily caused by activation of astrocytes and microglia, as well as the infiltration of peripheral immune cells. Inhibition of neuroinflammation is an important strategy in the treatment of brain disorders. Dopamine (DA) receptor, a significant G protein-coupled receptor (GPCR), is classified into two families: D1-like (D1 and D5) and D2-like (D2, D3 and D4) receptor families, according to their downstream signaling pathways. Traditionally, DA receptor forms a wide variety of psychological activities and motor functions, such as voluntary movement, working memory and learning. Recently, the role of DA receptor in neuroinflammation has been investigated widely, mainly focusing on nucleotide-binding oligomerization domain-like receptor pyrin domain-containing 3 (NLRP3) inflammasome, renin-angiotensin system, αB-crystallin, as well as invading peripheral immune cells, including T cells, dendritic cells, macrophages and monocytes. This review briefly outlined the functions and signaling pathways of DA receptor subtypes as well as its role in inflammation-related glial cells, and subsequently summarized the mechanisms of DA receptors affecting neuroinflammation. Meaningfully, this article provided a theoretical basis for drug development targeting DA receptors in inflammation-related brain diseases.
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Affiliation(s)
- Qing-Peng Xia
- Department of Pharmacology, China Pharmaceutical University, Nanjing 210009, China
| | - Zhao-Yan Cheng
- Department of Pharmacology, China Pharmaceutical University, Nanjing 210009, China
| | - Ling He
- Department of Pharmacology, China Pharmaceutical University, Nanjing 210009, China.
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12
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Perez de la Mora M, Hernandez-Mondragon C, Crespo-Ramirez M, Rejon-Orantes J, Borroto-Escuela DO, Fuxe K. Conventional and Novel Pharmacological Approaches to Treat Dopamine-Related Disorders: Focus on Parkinson's Disease and Schizophrenia. Neuroscience 2019; 439:301-318. [PMID: 31349007 DOI: 10.1016/j.neuroscience.2019.07.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 06/25/2019] [Accepted: 07/12/2019] [Indexed: 12/17/2022]
Abstract
The dopaminergic system integrated by cell groups distributed in several brain regions exerts a modulatory role in brain. Particularly important for this task are the mesencephalic dopamine neurons, which from the substantia nigra and ventral tegmental area project to the dorsal striatum and the cortical/subcortical limbic systems, respectively. Dopamine released from these neurons operates mainly via the short distance extrasynaptic volume transmission and activates five different dopaminergic receptor subtypes modulating synaptic GABA and glutamate transmission. To accomplish this task dopaminergic neurons keep mutual modulating interactions with neurons of other neurotransmitter systems, including allosteric receptor-receptor interactions in heteroreceptor complexes. As a result of its modulatory role dopaminergic mechanisms are involved in either the etiology or physiopathology of many brain diseases such as Parkinsońs disease and schizophrenia. The aim of this work is to review some novel and conventional approaches that either have been used or are currently employed to treat these diseases. Particular attention is paid to the approaches derived from the knowledge recently acquired in the realm of receptor-receptor interactions taking place through multiple dopamine heteroreceptor complexes in the plasma membrane. This article is part of a Special Issue entitled: Honoring Ricardo Miledi - outstanding neuroscientist of XX-XXI centuries.
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Affiliation(s)
- Miguel Perez de la Mora
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico.
| | | | - Minerva Crespo-Ramirez
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - José Rejon-Orantes
- Pharmacobiology Experimental laboratory, Faculty of Medicine, Universidad Autónoma de Chiapas
| | | | - Kjell Fuxe
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
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13
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PGAM5-CypD pathway is involved in bromocriptine-induced RIP3/MLKL-dependent necroptosis of prolactinoma cells. Biomed Pharmacother 2019; 111:638-648. [DOI: 10.1016/j.biopha.2018.12.128] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 12/27/2018] [Accepted: 12/30/2018] [Indexed: 12/16/2022] Open
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