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Pan W, Jie W, Huang H. Vascular calcification: Molecular mechanisms and therapeutic interventions. MedComm (Beijing) 2023; 4:e200. [PMID: 36620697 PMCID: PMC9811665 DOI: 10.1002/mco2.200] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 01/05/2023] Open
Abstract
Vascular calcification (VC) is recognized as a pathological vascular disorder associated with various diseases, such as atherosclerosis, hypertension, aortic valve stenosis, coronary artery disease, diabetes mellitus, as well as chronic kidney disease. Therefore, it is a life-threatening state for human health. There were several studies targeting mechanisms of VC that revealed the importance of vascular smooth muscle cells transdifferentiating, phosphorous and calcium milieu, as well as matrix vesicles on the progress of VC. However, the underlying molecular mechanisms of VC need to be elucidated. Though there is no acknowledged effective therapeutic strategy to reverse or cure VC clinically, recent evidence has proved that VC is not a passive irreversible comorbidity but an active process regulated by many factors. Some available approaches targeting the underlying molecular mechanism provide promising prospects for the therapy of VC. This review aims to summarize the novel findings on molecular mechanisms and therapeutic interventions of VC, including the role of inflammatory responses, endoplasmic reticulum stress, mitochondrial dysfunction, iron homeostasis, metabolic imbalance, and some related signaling pathways on VC progression. We also conclude some recent studies on controversial interventions in the clinical practice of VC, such as calcium channel blockers, renin-angiotensin system inhibitions, statins, bisphosphonates, denosumab, vitamins, and ion conditioning agents.
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Affiliation(s)
- Wei Pan
- Department of Cardiology, the Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhenGuangdongChina,Joint Laboratory of Guangdong‐Hong Kong‐Macao Universities for Nutritional Metabolism and Precise Prevention and Control of Major Chronic DiseaseSun Yat‐sen UniversityShenzhenGuangdongChina
| | - Wei Jie
- Department of Cardiology, the Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhenGuangdongChina,Joint Laboratory of Guangdong‐Hong Kong‐Macao Universities for Nutritional Metabolism and Precise Prevention and Control of Major Chronic DiseaseSun Yat‐sen UniversityShenzhenGuangdongChina
| | - Hui Huang
- Department of Cardiology, the Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhenGuangdongChina,Joint Laboratory of Guangdong‐Hong Kong‐Macao Universities for Nutritional Metabolism and Precise Prevention and Control of Major Chronic DiseaseSun Yat‐sen UniversityShenzhenGuangdongChina
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2
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Tan R, Ou S, Kang T, Wu W, Xiong L, Zhu T, Zhang L. Altered serum metabolome associated with vascular calcification developed from CKD and the critical pathways. Front Cardiovasc Med 2023; 10:1114528. [PMID: 37113701 PMCID: PMC10126378 DOI: 10.3389/fcvm.2023.1114528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 03/14/2023] [Indexed: 04/29/2023] Open
Abstract
Introduction Vascular calcification (VC) is more likely to be detected in the chronic kidney disease (CKD) population. The mechanism of VC development from CKD is different from that for simple VC and has always been a major research area. The aim of this study was to detect alterations in the metabolome during development of VC in CKD and to identify the critical metabolic pathways and metabolites involved in its pathogenesis. Methods Rats in the model group were given an adenine gavage combined with a high-phosphorus diet to imitate VC in CKD. The aorta calcium content was measured and used to divide the model group into a VC group and non-vascular calcification group (non-VC group). The control group was fed a normal rat diet and given a saline gavage. Ultra-high-performance liquid chromatography-mass spectrometry (UHPLC-MS) was used to determine the altered serum metabolome in the control, VC, and non-VC groups. The identified metabolites were mapped into the Kyoto Encyclopedia of Genes and Genomes (KEGG) database (https://www.genome.jp/kegg/) for pathway and network analyses. Result There were 14 metabolites that changed significantly in the VC group, with three metabolic pathways playing critical roles in the pathogenesis of VC in CKD: steroid hormone biosynthesis; valine, leucine and isoleucine biosynthesis; and pantothenate and CoA biosynthesis. Conclusion Our results indicated changes in the expression of steroid sulfatase and estrogen sulfotransferase, and down-regulation of the in situ synthesis of estrogens in the VC group. In conclusion, the serum metabolome alters significantly during the pathogenesis of VC in CKD. The key pathways, metabolites, and enzymes we identified are worth further study and may become a promising therapeutic target for the treatment of VC in CKD.
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Affiliation(s)
- Ruyu Tan
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
- Department of Nephrology, The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Santao Ou
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
- Sichuan Clinical Research Center for Nephropathy, China
- Correspondence: Santao Ou
| | - Ting Kang
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Weihua Wu
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
- Sichuan Clinical Research Center for Nephropathy, China
| | - Lin Xiong
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Tingting Zhu
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Liling Zhang
- Department of Nephrology, Affiliated Hospital of Southwest Medical University, Luzhou, China
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Walker CJ, Schroeder ME, Aguado BA, Anseth KS, Leinwand LA. Matters of the heart: Cellular sex differences. J Mol Cell Cardiol 2021; 160:42-55. [PMID: 34166708 PMCID: PMC8571046 DOI: 10.1016/j.yjmcc.2021.04.010] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/12/2021] [Accepted: 04/24/2021] [Indexed: 02/06/2023]
Abstract
Nearly all cardiovascular diseases show sexual dimorphisms in prevalence, presentation, and outcomes. Until recently, most clinical trials were carried out in males, and many animal studies either failed to identify the sex of the animals or combined data obtained from males and females. Cellular sex in the heart is relatively understudied and many studies fail to report the sex of the cells used for in vitro experiments. Moreover, in the small number of studies in which sex is reported, most of those studies use male cells. The observation that cells from males and females are inherently different is becoming increasingly clear - either due to acquired differences from hormones and other factors or due to intrinsic differences in genotype (XX or XY). Because of the likely contribution of cellular sex differences in cardiac health and disease, here, we explore differences in mammalian male and female cells in the heart, including the less-studied non-myocyte cell populations. We discuss how the heart's microenvironment impacts male and female cellular phenotypes and vice versa, including how secretory profiles are dependent on cellular sex, and how hormones contribute to sexually dimorphic phenotypes and cellular functions. Intracellular mechanisms that contribute to sex differences, including gene expression and epigenetic remodeling, are also described. Recent single-cell sequencing studies have revealed unexpected sex differences in the composition of cell types in the heart which we discuss. Finally, future recommendations for considering cellular sex differences in the design of bioengineered in vitro disease models of the heart are provided.
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Affiliation(s)
- Cierra J Walker
- Materials Science and Engineering Program, University of Colorado, Boulder, CO 80303, United States of America; Interdisciplinary Quantitative Biology, University of Colorado, Boulder, CO 80303, United States of America; BioFrontiers Institute, University of Colorado, Boulder, CO 80303, United States of America
| | - Megan E Schroeder
- Chemical and Biological Engineering Department, University of Colorado, Boulder, CO 80303, United States of America; BioFrontiers Institute, University of Colorado, Boulder, CO 80303, United States of America
| | - Brian A Aguado
- Chemical and Biological Engineering Department, University of Colorado, Boulder, CO 80303, United States of America; BioFrontiers Institute, University of Colorado, Boulder, CO 80303, United States of America
| | - Kristi S Anseth
- Chemical and Biological Engineering Department, University of Colorado, Boulder, CO 80303, United States of America; BioFrontiers Institute, University of Colorado, Boulder, CO 80303, United States of America
| | - Leslie A Leinwand
- BioFrontiers Institute, University of Colorado, Boulder, CO 80303, United States of America; Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, CO 80309, United States of America.
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4
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Progesterone receptor expression in fibromuscular dysplasia: A report of two unusual cases. TURK GOGUS KALP DAMAR CERRAHISI DERGISI-TURKISH JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY 2019; 27:234-240. [PMID: 32082860 DOI: 10.5606/tgkdc.dergisi.2019.15051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Accepted: 01/20/2019] [Indexed: 11/21/2022]
Abstract
Fibromuscular dysplasia is rarely biopsied. Progesterone receptor expression in myofibroblastic cells is useful for the histopathological evaluation in difficult-to-diagnose cases. Herein, we report two unusual cases of fibromuscular dysplasia in which progesterone receptor expression was shown in vessel sections.
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Maseroli E, Scavello I, Vignozzi L. Cardiometabolic Risk and Female Sexuality-Part II. Understanding (and Overcoming) Gender Differences: The Key Role of an Adequate Methodological Approach. Sex Med Rev 2018; 6:525-534. [PMID: 29661689 DOI: 10.1016/j.sxmr.2018.03.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/01/2018] [Accepted: 03/04/2018] [Indexed: 01/13/2023]
Abstract
INTRODUCTION Although basic science and clinical research indicate that the vascular physiopathology of male and female sexual dysfunction (FSD) is similar, to date the association between FSD and cardiovascular (CV) diseases has been only marginally explored. AIM To discuss the potential reasons for differences in the role of CV diseases and risk factors in sexual function in women vs men in the 2nd part of a 2-part review. METHODS A thorough literature search of peer-reviewed publications on the topic was performed using the PubMed database. MAIN OUTCOME MEASURES We present a review of the main factors that could account for this gap: (i) actual physiologic discrepancies and (ii) factors related to the inadequacy of the methodologic approach used to investigate CV risk in patients with FSD. A summary of the available methods to assess female sexual response, focusing on genital vascularization, is reported. RESULTS The microanatomy and biochemistry of the male and female peripheral arousal response are similar; in contrast, there are differences in the interplay between the metabolic profile and sex steroid milieu, in the relative weighting of cardiometabolic risk factors in the pathogenesis of CV disease, and their clinical presentation and management. CV diseases in women are under-recognized, leading to less aggressive treatment strategies and poorer outcomes. Moreover, evaluation of hemodynamic events that regulate the female sexual response has thus far been plagued by methodologic problems. CONCLUSION To clarify whether sexuality can be a mirror for CV health in women, the female genital vascular district should be objectively assessed with standardized and validated methods. Studies designed to establish normative values and longitudinal intervention trials on the effect of the treatment of CV risk factors on FSD are urgently needed. Maseroli E, Scavello I, Vignozzi L. Cardiometabolic Risk and Female Sexuality-Part II. Understanding (and Overcoming) Gender Differences: The Key Role of an Adequate Methodological Approach. Sex Med Rev 2018;6:525-534.
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Affiliation(s)
- Elisa Maseroli
- Sexual Medicine and Andrology Unit, Department of Experimental, Clinical and Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Irene Scavello
- Sexual Medicine and Andrology Unit, Department of Experimental, Clinical and Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Linda Vignozzi
- Sexual Medicine and Andrology Unit, Department of Experimental, Clinical and Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy; Istituto Nazionale Biostrutture e Biosistemi, Rome, Italy.
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6
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The inhibitory effect of Isoliquiritigenin on the proliferation of human arterial smooth muscle cell. BMC Pharmacol Toxicol 2017; 18:57. [PMID: 28716056 PMCID: PMC5512881 DOI: 10.1186/s40360-017-0165-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 07/09/2017] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Isoliquiritigenin (ISL) has various biological activities including as antioxidant and an inhibitor of PI3K/AKT signaling pathway. However, both oxidative stress and activated PI3K/AKT signaling contribute to the aberrant proliferation of vascular smooth muscle cells (VSMCs). This study is aimed to explore the effect of ISL on the proliferation of human arterial smooth muscle cells (HASMCs) and to investigate the underlying mechanisms. METHODS BrdU incorporation, cell cycle and reactive oxygen species (ROS) in normal or ISL treated HASMCs were analyzed by flow cytometry. Cell viablity was measured by CCK-8. Protein expression levels were examined by Western blot, and superoxide dismutase (SOD) activity was detected by using commercial kit. RESULTS We observed that ISL could inhibit the proliferation of HASMCs in a dose and time dependent manner. Cell cycle of ISL treated HASMCs arrested mainly in G1/S phase and accompanied with elevated expression of p27 and decreased expression of CyclinD1 and CyclinE. In addition, ISL could down-regulated the expression of p-PI3K and p-AKT, alleviated oxidative stress and enhanced the SOD activity in HASMCs. Furthermore, H2O2 treatment partly improved cell viability and up regulated p-PI3K and p-AKT in HASMCs. CONCLUSIONS Therefore, we concluded that ISL inhibited the proliferation of HASMCs via attenuating oxidative stress and suppressing PI3K/AKT signaling pathway. The inhibitory effect of ISL on PI3K/AKT signaling pathway, at least partly, was mediated by ROS.
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7
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Franconi F, Rosano G, Basili S, Montella A, Campesi I. Human cells involved in atherosclerosis have a sex. Int J Cardiol 2016; 228:983-1001. [PMID: 27915217 DOI: 10.1016/j.ijcard.2016.11.118] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 11/06/2016] [Indexed: 12/30/2022]
Abstract
The influence of sex has been largely described in cardiovascular diseases. Atherosclerosis is a complex process that involves many cell types such as vessel cells, immune cells and endothelial progenitor cells; however, many, if not all, studies do not report the sex of the cells. This review focuses on sex differences in human cells involved in the atherosclerotic process, emphasizing the role of sex hormones. Furthermore, we report sex differences and issues related to the processes that determine the fate of the cells such as apoptotic and autophagic mechanisms. The analysis of the data reveals that there are still many gaps in our knowledge regarding sex influences in atherosclerosis, largely for the cell types that have not been well studied, stressing the urgent need for a clear definition of experimental conditions and the inclusion of both sexes in preclinical studies.
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Affiliation(s)
- Flavia Franconi
- Assessorato alle Politiche per la Persona of Basilicata Region, Potenza, Italy; Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Giuseppe Rosano
- Cardiovascular and Cell Sciences Research Institute, St. George's University of London, United Kingdom
| | - Stefania Basili
- Department of Internal Medicine and Medical Specialties - Research Center on Gender and Evaluation and Promotion of Quality in Medicine (CEQUAM), Sapienza University of Rome, Italy
| | - Andrea Montella
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy
| | - Ilaria Campesi
- Department of Biomedical Sciences, University of Sassari, Sassari, Italy; Laboratory of Sex-Gender Medicine, National Institute of Biostructures and Biosystems, Osilo, Italy.
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8
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Salerni S, Di Francescomarino S, Cadeddu C, Acquistapace F, Maffei S, Gallina S. The different role of sex hormones on female cardiovascular physiology and function: not only oestrogens. Eur J Clin Invest 2015; 45:634-45. [PMID: 25845675 DOI: 10.1111/eci.12447] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 03/31/2015] [Indexed: 12/18/2022]
Abstract
Human response to different physiologic stimuli and cardiovascular (CV) adaptation to various pathologies seem to be gender specific. Sex-steroid hormones have been postulated as the major contributors towards these sex-related differences. This review will discuss current evidence on gender differences in CV function and remodelling, and will present the different role of the principal sex-steroid hormones on female heart. Starting from a review of sex hormones synthesis, receptors and CV signalling, we will summarize the current knowledge concerning the role of sex hormones on the regulation of our daily activities throughout the life, via the modulation of autonomic nervous system, excitation-contraction coupling pathway and ion channels activity. Many unresolved questions remain even if oestrogen effects on myocardial remodelling and function have been extensively studied. So this work will focus attention also on the controversial and complex relationship existing between androgens, progesterone and female heart.
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Affiliation(s)
- Sara Salerni
- Department of Neuroimaging, University of Chieti, Chieti, Italy
| | | | - Christian Cadeddu
- Department of Cardiovascular and Neurological Sciences, University of Cagliari, Cagliari, Italy
| | - Flavio Acquistapace
- Helvetic Confederation IIHM International institute, Cardiologic Medical Center Manno, Lugano, Helvetia
| | - Silvia Maffei
- Fondazione G. Monasterio CNR-Regione Toscana and Institute of Clinical Physiology-CNR, Pisa, Italy
| | - Sabina Gallina
- Department of Neuroimaging, University of Chieti, Chieti, Italy
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9
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Meyer MR, Fredette NC, Howard TA, Hu C, Ramesh C, Daniel C, Amann K, Arterburn JB, Barton M, Prossnitz ER. G protein-coupled estrogen receptor protects from atherosclerosis. Sci Rep 2014; 4:7564. [PMID: 25532911 PMCID: PMC4274506 DOI: 10.1038/srep07564] [Citation(s) in RCA: 110] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2014] [Accepted: 11/28/2014] [Indexed: 02/07/2023] Open
Abstract
Coronary atherosclerosis and myocardial infarction in postmenopausal women have been linked to inflammation and reduced nitric oxide (NO) formation. Natural estrogen exerts protective effects on both processes, yet also displays uterotrophic activity. Here, we used genetic and pharmacologic approaches to investigate the role of the G protein-coupled estrogen receptor (GPER) in atherosclerosis. In ovary-intact mice, deletion of gper increased atherosclerosis progression, total and LDL cholesterol levels and inflammation while reducing vascular NO bioactivity, effects that were in some cases aggravated by surgical menopause. In human endothelial cells, GPER was expressed on intracellular membranes and mediated eNOS activation and NO formation, partially accounting for estrogen-mediated effects. Chronic treatment with G-1, a synthetic, highly selective small molecule agonist of GPER, reduced postmenopausal atherosclerosis and inflammation without uterotrophic effects. In summary, this study reveals an atheroprotective function of GPER and introduces selective GPER activation as a novel therapeutic approach to inhibit postmenopausal atherosclerosis and inflammation in the absence of uterotrophic activity.
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Affiliation(s)
- Matthias R Meyer
- Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Natalie C Fredette
- Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Tamara A Howard
- Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Chelin Hu
- Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Chinnasamy Ramesh
- Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, NM, USA
| | - Christoph Daniel
- Pathologisches Institut, Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Kerstin Amann
- Pathologisches Institut, Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Jeffrey B Arterburn
- Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, NM, USA
| | - Matthias Barton
- Molecular Internal Medicine, University of Zürich, Zürich, Switzerland
| | - Eric R Prossnitz
- Department of Cell Biology and Physiology, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
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Coutinho T. Arterial Stiffness and Its Clinical Implications in Women. Can J Cardiol 2014; 30:756-64. [DOI: 10.1016/j.cjca.2014.03.020] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 03/17/2014] [Accepted: 03/18/2014] [Indexed: 12/19/2022] Open
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Ivanov SM, Lagunin AA, Pogodin PV, Filimonov DA, Poroikov VV. Identification of Drug-Induced Myocardial Infarction-Related Protein Targets through the Prediction of Drug–Target Interactions and Analysis of Biological Processes. Chem Res Toxicol 2014; 27:1263-81. [DOI: 10.1021/tx500147d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sergey M. Ivanov
- Orekhovich Institute
of Biomedical Chemistry of Russian Academy of Medical Sciences, 10, Pogodinskaya str., 119121 Moscow, Russia
| | - Alexey A. Lagunin
- Orekhovich Institute
of Biomedical Chemistry of Russian Academy of Medical Sciences, 10, Pogodinskaya str., 119121 Moscow, Russia
- Medico-biological
Faculty, Pirogov Russian National Research Medical University, 1,
Ostrovitianova str., 117997 Moscow, Russia
| | - Pavel V. Pogodin
- Orekhovich Institute
of Biomedical Chemistry of Russian Academy of Medical Sciences, 10, Pogodinskaya str., 119121 Moscow, Russia
- Medico-biological
Faculty, Pirogov Russian National Research Medical University, 1,
Ostrovitianova str., 117997 Moscow, Russia
| | - Dmitry A. Filimonov
- Orekhovich Institute
of Biomedical Chemistry of Russian Academy of Medical Sciences, 10, Pogodinskaya str., 119121 Moscow, Russia
| | - Vladimir V. Poroikov
- Orekhovich Institute
of Biomedical Chemistry of Russian Academy of Medical Sciences, 10, Pogodinskaya str., 119121 Moscow, Russia
- Medico-biological
Faculty, Pirogov Russian National Research Medical University, 1,
Ostrovitianova str., 117997 Moscow, Russia
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Abstract
Sex differences in the incidence of liver cirrhosis and portal hypertension have been reported by epidemiological studies. Previous studies have indicated that estrogen therapy improved hepatic fibrosis, inhibited the activation of hepatic stellate cells, and reduced portal pressure, whereas the administration of exogenous estrogens resulted in some potential risks, limiting their clinical use. However, the biological actions of estrogens are mediated by three subtypes of estrogen receptors (ERs): ERα, ERβ, and G-protein-coupled ER. These ER subtypes act in distinct ways and exert different biological effects that mediate genomic and nongenomic events, resulting in tissue-specific responses. In addition, active estrogen metabolites, with little or no affinity for ERs, could mediate the fibrosuppressive effect of estrogens through an ER-independent pathway. Taken together, such specific estrogen derivatives as ER selective agonists, or active estrogen metabolites, would provide novel therapeutic opportunities, stratifying this hormonal treatment, thereby reducing undesired side-effects in the treatment of liver cirrhosis and portal hypertension.
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Abstract
Elevated large artery stiffness and pulse pressure have emerged as important risk factors for cardiovascular disease. The genders differ in large artery biomechanical properties throughout the lifespan with females displaying higher stiffness than males during the prepubertal years and a dramatic increase after menopause. Males on the other hand experience an increase in arterial stiffness postpuberty and a linear increase thereafter, suggesting that females have intrinsically stiffer large arteries than males, but that such effects are mitigated by sex steroids during the reproductive years. This review discusses anthropometric and sex steroid influences on gender differences in large artery stiffness and pressure dynamics from childhood to senescence. In particular, the sex-specific effects of estrogen, progesterone and testosterone on vascular structure and function and how these influence arterial stiffness are explored. These factors may contribute in part to the observed gender differences in the pathophysiology and clinical manifestations of cardiovascular disease.
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Masood DEN, Roach EC, Beauregard KG, Khalil RA. Impact of sex hormone metabolism on the vascular effects of menopausal hormone therapy in cardiovascular disease. Curr Drug Metab 2011; 11:693-714. [PMID: 21189141 DOI: 10.2174/138920010794233477] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2010] [Accepted: 10/25/2010] [Indexed: 12/24/2022]
Abstract
Epidemiological studies have shown that cardiovascular disease (CVD) is less common in pre-menopausal women (Pre-MW) compared to men of the same age or post-menopausal women (Post-MW), suggesting cardiovascular benefits of estrogen. Estrogen receptors (ERs) have been identified in the vasculature, and experimental studies have demonstrated vasodilator effects of estrogen/ER on the endothelium, vascular smooth muscle (VSM) and extracellular matrix. Several natural and synthetic estrogenic preparations have been developed for relief of menopausal vasomotor symptoms. However, whether menopausal hormone therapy (MHT) is beneficial in postmenopausal CVD remains controversial. Despite reports of vascular benefits of MHT from observational and experimental studies, randomized clinical trials (RCTs), such as the Heart and Estrogen/progestin Replacement Study (HERS) and the Women's Health Initiative (WHI), have suggested that, contrary to expectations, MHT may increase the risk of CVD. These discrepancies could be due to agerelated changes in sex hormone synthesis and metabolism, which would influence the effective dose of MHT and the sex hormone environment in Post-MW. Age-related changes in the vascular ER subtype, structure, expression, distribution, and post-ER signaling pathways in the endothelium and VSM, along with factors related to the design of RCTs, preexisting CVD condition, and structural changes in the blood vessels architecture have also been suggested as possible causes of MHT failure in CVD. Careful examination of these factors should help in identifying the causes of the changes in the vascular effects of estrogen with age. The sex hormone metabolic pathways, the active versus inactive estrogen metabolites, and their effects on vascular function, the mitochondria, the inflammatory process and angiogenesis should be further examined. Also, the genomic and non-genomic effects of estrogenic compounds should be viewed as integrated rather than discrete responses. The complex interactions between these factors highlight the importance of careful design of MHT RCTs, and the need of a more customized approach for each individual patient in order to enhance the vascular benefits of MHT in postmenopausal CVD.
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Affiliation(s)
- Durr-e-Nayab Masood
- Vascular Surgery Research Laboratory, Division of Vascular and Endovascular Surgery, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA 02115, USA
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15
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Vitale C, Fini M, Speziale G, Chierchia S. Gender differences in the cardiovascular effects of sex hormones. Fundam Clin Pharmacol 2011; 24:675-85. [PMID: 20199585 DOI: 10.1111/j.1472-8206.2010.00817.x] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Over the last decade, compelling evidence supports the idea that the different impact of cardiovascular disease (CVD) and the differences in vascular biology in men and women may be, at least in part, related to the cardiovascular and metabolic effects of sex steroid hormones. Indeed, androgens and oestrogens influence a multitude of vascular biological processes and their cardiovascular effects are multifaceted. While in women the effects of androgens mainly depend upon oestrogens' levels and, ultimately, upon the estradiol/testosterone ratio, the effects of androgens in men mostly relate to their aromatization into oestrogens. Oestrogens exert potential beneficial effects on the cardiovascular system in both sexes. In women, the effect of oestrogens, alone or in association with progestins, has been widely investigated, but data obtained from older patient populations have lead the medical community and the general public to misleading conclusions. Growing evidence supports the 'timing hypothesis', which suggests that oestrogen/hormone replacement therapy may increase CVD risk if started late after menopause, but produce beneficial cardiovascular effects in younger postmenopausal women. Because in men adequate interventional studies with testosterone are lacking, specific investigations should be performed.
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Affiliation(s)
- Cristiana Vitale
- Centre for Clinical and Basic Research, Department of Medical Sciences, IRCCS San Raffaele, via della Pisana, 235, 00163 Rome, Italy.
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16
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Ginsberg G, Guyton K, Johns D, Schimek J, Angle K, Sonawane B. Genetic polymorphism in metabolism and host defense enzymes: implications for human health risk assessment. Crit Rev Toxicol 2011; 40:575-619. [PMID: 20662711 DOI: 10.3109/10408441003742895] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Genetic polymorphisms in xenobiotic metabolizing enzymes can have profound influence on enzyme function, with implications for chemical clearance and internal dose. The effects of polymorphisms have been evaluated for certain therapeutic drugs but there has been relatively little investigation with environmental toxicants. Polymorphisms can also affect the function of host defense mechanisms and thus modify the pharmacodynamic response. This review and analysis explores the feasibility of using polymorphism data in human health risk assessment for four enzymes, two involved in conjugation (uridine diphosphoglucuronosyltransferases [UGTs], sulfotransferases [SULTs]), and two involved in detoxification (microsomal epoxide hydrolase [EPHX1], NADPH quinone oxidoreductase I [NQO1]). This set of evaluations complements our previous analyses with oxidative and conjugating enzymes. Of the numerous UGT and SULT enzymes, the greatest likelihood for polymorphism effect on conjugation function are for SULT1A1 (*2 polymorphism), UGT1A1 (*6, *7, *28 polymorphisms), UGT1A7 (*3 polymorphism), UGT2B15 (*2 polymorphism), and UGT2B17 (null polymorphism). The null polymorphism in NQO1 has the potential to impair host defense. These highlighted polymorphisms are of sufficient frequency to be prioritized for consideration in chemical risk assessments. In contrast, SNPs in EPHX1 are not sufficiently influential or defined for inclusion in risk models. The current analysis is an important first step in bringing the highlighted polymorphisms into a physiologically based pharmacokinetic (PBPK) modeling framework.
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Affiliation(s)
- Gary Ginsberg
- Connecticut Department of Public Health, Hartford, Connecticut 06106, USA.
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17
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VEGF signaling is disrupted in the hearts of mice lacking estrogen receptor alpha. Eur J Pharmacol 2010; 641:168-78. [DOI: 10.1016/j.ejphar.2010.05.020] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2009] [Revised: 03/26/2010] [Accepted: 05/27/2010] [Indexed: 11/22/2022]
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Ginsberg G, Rice DC. Does rapid metabolism ensure negligible risk from bisphenol A? ENVIRONMENTAL HEALTH PERSPECTIVES 2009; 117:1639-43. [PMID: 20049111 PMCID: PMC2801165 DOI: 10.1289/ehp.0901010] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2009] [Accepted: 07/14/2009] [Indexed: 05/18/2023]
Abstract
BACKGROUND Bisphenol A (BPA) risks are being evaluated by many regulatory bodies because exposure is widespread and the potential exists for toxicity at low doses. OBJECTIVE We evaluated evidence that BPA is cleared more rapidly in humans than in rats in relation to BPA risk assessment. DISCUSSION The European Food Safety Authority (EFSA) relied on pharmacokinetic evidence to conclude that rodent toxicity data are not directly relevant to human risk assessment. Further, the EFSA argues that rapid metabolism will result in negligible exposure during the perinatal period because of BPA glucuronidation in pregnant women or sulfation in newborns. These arguments fail to consider the deconjugation of BPA glucuronide in utero by beta-glucuronidase, an enzyme that is present in high concentrations in placenta and various other tissues. Further, arylsulfatase C, which reactivates endogenous sulfated estrogens, develops early in life and so may deconjugate BPA sulfate in newborns. Biomonitoring studies and laboratory experiments document free BPA in rat and human maternal, placental, and fetal tissues, indicating that human BPA exposure is not negligible. The pattern of these detections is consistent with deconjugation in the placenta, resulting in fetal exposure. The tolerable daily intake set by the EFSA (0.05 mg/kg/day) is well above effect levels reported in some animal studies. CONCLUSION This potential risk should not be dismissed on the basis of an uncertain pharmacokinetic argument. Rather, risk assessors need to decipher the BPA dose response and apply it to humans with comprehensive pharmacokinetic models that account for metabolite deconjugation.
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Affiliation(s)
- Gary Ginsberg
- Connecticut Department of Public Health, Hartford, Connecticut, USA.
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19
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Abstract
The higher incidence of cardiovascular disease in men than in women of similar age, and the menopause-associated increase in cardiovascular disease in women, has led to speculation that gender-related differences in sex hormones have a key role in the development and evolution of cardiovascular disease. Compelling data have indicated that sex differences in vascular biology are determined not only by gender-related differences in sex steroid levels, but also by gender-specific tissue and cellular differences that mediate sex-specific responses. In this Review, we describe the sex-specific effects of estrogen and testosterone on cardiovascular risk, direct vascular effects of these sex hormones, and how these effects influence development of atherosclerosis. Cardiovascular effects of exogenous hormone administration are also discussed. Importantly, evidence has indicated that estrogens alone or in combination with progestins in postmenopausal women increase cardiovascular risk if started late after menopause, but that it possibly has beneficial cardiovascular effects in younger postmenopausal women, although data on long-term testosterone therapy are lacking. Hormone therapy should not be considered solely for primary prevention or treatment of cardiovascular disease at this time.
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Meyer MR, Barton M. ER , ER , and gpER: novel aspects of oestrogen receptor signalling in atherosclerosis. Cardiovasc Res 2009; 83:605-10. [DOI: 10.1093/cvr/cvp187] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
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Antonicelli R, Olivieri F, Morichi V, Urbani E, Mais V. Prevention of cardiovascular events in early menopause: A possible role for hormone replacement therapy. Int J Cardiol 2008; 130:140-6. [DOI: 10.1016/j.ijcard.2008.03.051] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2006] [Revised: 02/18/2008] [Accepted: 03/29/2008] [Indexed: 11/28/2022]
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22
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Need for research on estrogen receptor function: importance for postmenopausal hormone therapy and atherosclerosis. ACTA ACUST UNITED AC 2008; 5 Suppl A:S19-33. [PMID: 18395680 DOI: 10.1016/j.genm.2008.03.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/10/2007] [Indexed: 11/24/2022]
Abstract
BACKGROUND Cardiovascular disease is the leading cause of morbidity and mortality in men and women worldwide. Although rare in premenopausal women, its incidence rises sharply after menopause, indicating atheroprotective effects of endogenous estrogens. OBJECTIVE This review discusses the differential effects of estrogen receptor function on atherosclerosis progression in pre- and postmenopausal women, including aspects of gender differences in vascular physiology of estrogens and androgens. METHODS Recent advances in the understanding of the pathogenesis of atherosclerosis, estrogen receptor function, and hormone therapy are reviewed, with particular emphasis on clinical and molecular issues. RESULTS Whether hormone therapy can improve cardiovascular health in postmenopausal women remains controversial. Current evidence suggests that the vascular effects of estrogen are affected by the stage of reproductive life, the time since menopause, and the extent of subclinical atherosclerosis. The mechanisms of vascular responsiveness to sex steroids during different stages of atherosclerosis development remain poorly understood in women and men. CONCLUSION In view of the expected increase in the prevalence of atherosclerotic vascular disease worldwide due to population aging, research is needed to determine the vascular mechanism of endogenous and exogenous sex steroids in patients with atherosclerosis. Such research may help to define new strategies to improve cardiovascular health in women and possibly also in men.
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Selcer KW, Difrancesca HM, Chandra AB, Li PK. Immunohistochemical analysis of steroid sulfatase in human tissues. J Steroid Biochem Mol Biol 2007; 105:115-23. [PMID: 17604157 DOI: 10.1016/j.jsbmb.2006.12.105] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2006] [Accepted: 12/18/2006] [Indexed: 02/06/2023]
Abstract
Steroid sulfatase (EC 3.1.6.2) is an enzyme that removes the sulfate group from 3beta-hydroxysteroid sulfates. This enzyme is best known for its role in estrogen production via the fetal adrenal-placental pathway during pregnancy; however, it also has important functions in other physiological and pathological steroid pathways. The objective of this study was to examine the distribution of steroid sulfatase in normal human tissues and in breast cancers using immunohistochemistry, employing a newly developed steroid sulfatase antibody. A rabbit polyclonal antiserum was generated against a peptide representing a conserved region of the steroid sulfatase protein. In Western blotting experiments using human placental microsomes, this antiserum crossreacted with a 65 kDa protein, the reported size of steroid sulfatase. The antiserum also crossreacted with single protein bands in Western blots of microsomes from two human breast cancer cell lines (MDA-MB-231 and MCF-7) and from rat liver; however, there were some size differences in the immunoreactive bands among tissues. The steroid sulfatase antibody was used in immunohistochemical analyses of individual human tissue slides as well as a human tissue microarray. For single tissues, human placenta and liver showed strong positive staining against the steroid sulfatase antibody. ER+/PR+ breast cancers also showed relatively strong levels of steroid sulfatase immunoreactivity. Normal human breast showed moderate levels of steroid sulfatase immunoreactivity, while ER-/PR- breast cancer showed weak immunoreactivity. This confirms previous reports that steroid sulfatase is higher in hormone-dependent breast cancers. For the tissue microarray, most tissues showed some detectable level of steroid sulfatase immunoreactivity, but there were considerable differences among tissues, with skin, liver and lymph nodes having the highest immunoreactivity and brain tissues having the lowest. These data reveal the utility of immunohistochemistry in evaluation of steroid sulfatase activity among tissues. The newly developed antibody should be useful in studies of both humans and rats.
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Affiliation(s)
- Kyle W Selcer
- Department of Biological Sciences, Bayer School of Natural and Environmental Sciences, Duquesne University, Pittsburgh, PA 15282, USA.
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Czubryt MP, Espira L, Lamoureux L, Abrenica B. The role of sex in cardiac function and disease. Can J Physiol Pharmacol 2006; 84:93-109. [PMID: 16845894 DOI: 10.1139/y05-151] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In the past decade, increasing attention has been paid to the importance of sex in the etiology of cardiac dysfunction. While focus has been primarily on how sex modulates atherogenesis, it is becoming clear that sex is both a predictor of outcome and an independent risk factor for a number of other cardiac diseases. Animal models and human studies have begun to shed light on the mechanisms by which sex influences the function of cardiomyocytes in health and disease. This review will survey the current literature on cardiac diseases that are influenced by sex and discuss the intracellular mechanisms by which steroid sex hormones affect heart function. A theory on how sex may regulate myocardial energy metabolism to affect disease susceptibility and progression will be presented, as well as a discussion of how sex may influence outcomes of experiments on isolated cardiomyocytes by epigenetic marking.
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Affiliation(s)
- Michael P Czubryt
- Division of Stroke and Vascular Disease, St Boniface General Hospital Research Centre, Winnipeg, MB, Canada.
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Hughes PJ, Brown G. 1Alpha,25-dihydroxyvitamin D3-mediated stimulation of steroid sulphatase activity in myeloid leukaemic cell lines requires VDRnuc-mediated activation of the RAS/RAF/ERK-MAP kinase signalling pathway. J Cell Biochem 2006; 98:590-617. [PMID: 16440327 DOI: 10.1002/jcb.20787] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
1Alpha,25-dihydroxyvitamin D(3) (1alpha,25(OH)(2)D(3)) stimulates the activity of steroid sulphatase (STS) in myeloid cells [Hughes et al., 2001, 2005]. This was attenuated by inhibitors of phospholipase D (PLD) (n-butanol, 2,3-diphosphoglyceric acid, C(2)-ceramide) and phosphatidate phosphohydrolase (PAP) (propranolol and chlorpromazine), but was unaffected by inhibitors of phospholipase C. The 1alpha,25(OH)(2)D(3)-induced STS activity was also attenuated by inhibitors of protein kinase Calpha and protein kinase Cdelta (Go 6976, HBDDE and rottlerin), but not by an inhibitor of protein kinase Cbeta (LY379196). Additionally, 1alpha,25(OH)(2)D(3)-induced STS activity was attenuated by inhibitors of RAS (manumycin A), RAF (GW5074), MEK (PD098059 and U1026) and JNK (SP600125), but not p38 (PD169316). 1alpha,25(OH)(2)D(3) produced a rapid and long lasting stimulation of the ERK-MAP kinase signalling cascade in HL60 myeloid leukaemic cells. This 'non-genomic' effect of 1alpha,25(OH)(2)D(3) blocked by pharmacological antagonists of nuclear vitamin D receptors (VDR(nuc)) and does not appear to require hetero-dimerisation with the retinoid-X receptor (RXR). Inhibitors of the Src tyrosine kinase (PP1), RAS (manumycin A), RAS-RAF interactions (sulindac sulphide and RAS inhibitory peptide), RAF (GW5074 or chloroquine), and protein kinase Calpha (HBDDE) abrogated the 1alpha,25(OH)(2)D(3)-stimulated increase in ERK-MAP kinase activity. Taken together, these results show that 1alpha,25(OH)(2)D(3)/VDR(nuc) activation of the RAS/RAF/ERK-MAP kinase signalling pathway plays an important role in augmenting STS activity in human myeloid leukaemic cell lines.
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Affiliation(s)
- Philip J Hughes
- Division of Immunity and Infection, The Medical School, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom.
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