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Bojić MG, Treven M, Pandey KP, Tiruveedhula VVNPB, Santrač A, Đukanović Đ, Vojinović N, Amidžić L, Škrbić R, Scholze P, Ernst M, Cook JM, Savić MM. Vascular effects of midazolam, flumazenil, and a novel imidazobenzodiazepine MP-III-058 on isolated rat aorta. Can J Physiol Pharmacol 2024; 102:206-217. [PMID: 37909404 DOI: 10.1139/cjpp-2023-0285] [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] [Indexed: 11/03/2023]
Abstract
Hypotensive influences of benzodiazepines and other GABAA receptor ligands, recognized in clinical practice, seem to stem from the existence of "vascular" GABAA receptors in peripheral blood vessels, besides any mechanisms in the central and peripheral nervous systems. We aimed to further elucidate the vasodilatatory effects of ligands acting through GABAA receptors. Using immunohistochemistry, the rat aortic smooth muscle layer was found to express GABAA γ2 and α1-5 subunit proteins. To confirm the role of "vascular" GABAA receptors, we investigated the vascular effects of standard benzodiazepines, midazolam, and flumazenil, as well as the novel compound MP-III-058. Using two-electrode voltage clamp electrophysiology and radioligand binding assays, MP-III-058 was found to have modest binding but substantial functional selectivity for α5β3γ2 over other αxβ3γ2 GABAA receptors. Tissue bath assays revealed comparable vasodilatory effects of MP-III-058 and midazolam, both of which at 100 µmol/L concentrations had efficacy similar to prazosin. Flumazenil exhibited weak vasoactivity per se, but significantly prevented the relaxant effects of midazolam and MP-III-058. These studies indicate the existence of functional GABAA receptors in the rat aorta, where ligands exert vasodilatory effects by positive modulation of the benzodiazepine binding site, suggesting the potential for further quest for leads with optimized pharmacokinetic properties as prospective adjuvant vasodilators.
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Affiliation(s)
- Milica Gajić Bojić
- Faculty of Medicine, Center for Biomedical Research, University of Banja Luka, Banja Luka 78000, Republic of Srpska, Bosnia and Herzegovina
| | - Marco Treven
- Neurology Department, Medical University of Vienna, Vienna, Austria
| | - Kamal P Pandey
- Department of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | - V V N Phani Babu Tiruveedhula
- Department of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | - Anja Santrač
- Department of Pharmacology, Faculty of Pharmacy, University of Belgrade, Belgrade 11000, Serbia
| | - Đorđe Đukanović
- Faculty of Medicine, Center for Biomedical Research, University of Banja Luka, Banja Luka 78000, Republic of Srpska, Bosnia and Herzegovina
| | - Nataša Vojinović
- Faculty of Medicine, Center for Biomedical Research, University of Banja Luka, Banja Luka 78000, Republic of Srpska, Bosnia and Herzegovina
| | - Ljiljana Amidžić
- Faculty of Medicine, Center for Biomedical Research, University of Banja Luka, Banja Luka 78000, Republic of Srpska, Bosnia and Herzegovina
| | - Ranko Škrbić
- Faculty of Medicine, Center for Biomedical Research, University of Banja Luka, Banja Luka 78000, Republic of Srpska, Bosnia and Herzegovina
| | - Petra Scholze
- Department of Pathobiology of the Nervous SystemCenter for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Margot Ernst
- Department of Pathobiology of the Nervous SystemCenter for Brain Research, Medical University of Vienna, Vienna, Austria
| | - James M Cook
- Department of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | - Miroslav M Savić
- Department of Pharmacology, Faculty of Pharmacy, University of Belgrade, Belgrade 11000, Serbia
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Santulli G, Kansakar U, Varzideh F, Mone P, Jankauskas SS, Lombardi A. Functional Role of Taurine in Aging and Cardiovascular Health: An Updated Overview. Nutrients 2023; 15:4236. [PMID: 37836520 PMCID: PMC10574552 DOI: 10.3390/nu15194236] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/22/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
Taurine, a naturally occurring sulfur-containing amino acid, has attracted significant attention in recent years due to its potential health benefits. Found in various foods and often used in energy drinks and supplements, taurine has been studied extensively to understand its impact on human physiology. Determining its exact functional roles represents a complex and multifaceted topic. We provide an overview of the scientific literature and present an analysis of the effects of taurine on various aspects of human health, focusing on aging and cardiovascular pathophysiology, but also including athletic performance, metabolic regulation, and neurological function. Additionally, our report summarizes the current recommendations for taurine intake and addresses potential safety concerns. Evidence from both human and animal studies indicates that taurine may have beneficial cardiovascular effects, including blood pressure regulation, improved cardiac fitness, and enhanced vascular health. Its mechanisms of action and antioxidant properties make it also an intriguing candidate for potential anti-aging strategies.
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Affiliation(s)
- Gaetano Santulli
- Department of Medicine, Fleischer Institute for Diabetes and Metabolism (FIDAM), Einstein-Mount Sinai Diabetes Research Center (ES-DRC), Einstein Institute for Aging Research, Albert Einstein College of Medicine, New York, NY 10461, USA; (U.K.); (S.S.J.); (A.L.)
- Department of Molecular Pharmacology, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, New York, NY 10461, USA; (F.V.); (P.M.)
| | - Urna Kansakar
- Department of Medicine, Fleischer Institute for Diabetes and Metabolism (FIDAM), Einstein-Mount Sinai Diabetes Research Center (ES-DRC), Einstein Institute for Aging Research, Albert Einstein College of Medicine, New York, NY 10461, USA; (U.K.); (S.S.J.); (A.L.)
| | - Fahimeh Varzideh
- Department of Molecular Pharmacology, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, New York, NY 10461, USA; (F.V.); (P.M.)
| | - Pasquale Mone
- Department of Molecular Pharmacology, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, New York, NY 10461, USA; (F.V.); (P.M.)
| | - Stanislovas S. Jankauskas
- Department of Medicine, Fleischer Institute for Diabetes and Metabolism (FIDAM), Einstein-Mount Sinai Diabetes Research Center (ES-DRC), Einstein Institute for Aging Research, Albert Einstein College of Medicine, New York, NY 10461, USA; (U.K.); (S.S.J.); (A.L.)
| | - Angela Lombardi
- Department of Medicine, Fleischer Institute for Diabetes and Metabolism (FIDAM), Einstein-Mount Sinai Diabetes Research Center (ES-DRC), Einstein Institute for Aging Research, Albert Einstein College of Medicine, New York, NY 10461, USA; (U.K.); (S.S.J.); (A.L.)
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Cruz GB, Vasquez MA, Cabañas E, Joseph JN, Skeen JC, Lynch KP, Ahmed I, Khairi EB, Bonitto JR, Clarke EG, Rubi S, Hameed N, Kaur S, Mathew N, Dacius TF, Jose TJ, Handford G, Wolfe S, Feher A, Tidwell K, Tobin J, Ugalde E, Fee S, Choe A, Gillenwater K, Hindi B, Pilout S, Natale NR, Domahoski N, Kent MH, Jacob JC, Lambert KG, Neuwirth LS. Developmental Lead Exposure in Rats Causes Sex-Dependent Changes in Neurobiological and Anxiety-Like Behaviors that Are Improved by Taurine Co-treatment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:461-479. [DOI: 10.1007/978-3-030-93337-1_43] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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4
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Neuwirth LS, Emenike BU, Cruz GB, Cabañas E, Vasquez MA, Joseph JN, Ayaz Z, Mian M, Ali MM, Clarke EG, Barrera ED, Hameed N, Rubi S, Dacius TF, Skeen JC, Bonitto JR, Khairi EB, Iqbal A, Ahmed I, Jose TJ, Lynch KP, Alivira A, Mathew N, Kaur S, Masood S, Tranquilee B, Thiruverkadu V. Taurine-Derived Compounds Produce Anxiolytic Effects in Rats Following Developmental Lead Exposure. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:445-460. [PMID: 35882818 DOI: 10.1007/978-3-030-93337-1_42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Lead (Pb2+) is a developmental neurotoxicant that disrupts the GABA-shift and subsequently causes alterations in the brain's excitation-to-inhibition (E/I) balance. Taurine is a well-established neuroprotective and inhibitory compound for regulating brain excitability. Since mechanistically taurine can facilitate neuronal inhibition through the GABA-AR, the present study examined the anxiolytic potential of taurine derivatives. Treatment groups consisted of the following developmental Pb2+-exposures: Control (0 ppm) and Perinatal (150 ppm or 1,000 ppm lead acetate in the drinking water). Rats were scheduled for behavioral tests between postnatal days (PND) 36-45 with random drug assignments to either saline, taurine, or taurine-derived compound (TD-101, TD-102, or TD-103) to assess the rats' responsivity to each drug in mitigating the developmental Pb2+-exposure and anxiety-like behaviors through the GABAergic system. Long-Evans hooded rats were assessed using an open field (OF) test for preliminary locomotor assessment. Twenty-four hours later, the same rats were exposed to the elevated plus maze (EPM) and were given an i.p. injection of 43 mg/Kg of the saline, taurine, or TD drugs 15 min prior to testing. Each rat was tested using the triple-blind random assignment method for each drug condition. The OF data revealed that Control female rats had increased locomotor activity over Control male rats, and the Pb2+-exposed males and females had increased locomotor activity when compared to the Control male and female rats. However, in the EPM, the Control female rats exhibited more anxiety-like behaviors over Control male rats, and the Pb2+-exposed male and female rats showed selective responsivity to TD drugs when compared to taurine. For Pb2+-exposed males, TD-101 showed consistent recovery of anxiety-like behaviors similar to that of taurine regardless of Pb2+ dose, whereas in Pb2+-exposed females TD-101 and TD-103 showed greater anxiolytic responses in the EPM. The results from the present psychopharmacological study suggests that taurine and its derivatives are interesting drug candidates to explore sex-specific mechanisms and actions of taurine and the associated GABAergic receptor properties by which these compounds alleviate anxiety as a potential behavioral pharmacotherapy for neurodevelopmental Pb2+ exposure.
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Affiliation(s)
- Lorenz S Neuwirth
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA.
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA.
| | - Bright U Emenike
- Department of Chemistry and Physics, SUNY Old Westbury, Old Westbury, NY, USA
| | - George B Cruz
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Ericka Cabañas
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Michelle A Vasquez
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Chemistry and Physics, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jewel N Joseph
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Zaid Ayaz
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Mohammed Mian
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Mohamed M Ali
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Evan G Clarke
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Eddy D Barrera
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Nimra Hameed
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Samantha Rubi
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Teddy F Dacius
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jourvonn C Skeen
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Jalen R Bonitto
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Eric B Khairi
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Asma Iqbal
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Isra Ahmed
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Tokunbo J Jose
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Kirsten P Lynch
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Amber Alivira
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Neena Mathew
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Sukhpreet Kaur
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Sidrah Masood
- Department of Psychology, SUNY Old Westbury, Old Westbury, NY, USA
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
| | - Bettina Tranquilee
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
| | - Veni Thiruverkadu
- SUNY Neuroscience Research Institute, SUNY Old Westbury, Old Westbury, NY, USA
- Department of Biology, SUNY Old Westbury, Old Westbury, NY, USA
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5
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Influences of Taurine Pharmacodynamics and Sex on Active Avoidance Learning and Memory. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:381-393. [DOI: 10.1007/978-3-030-93337-1_36] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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6
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In Vivo Sex-Dependent Effects of Perinatal Pb2+ Exposure on Pilocarpine-Induced Seizure Susceptibility and Taurine Neuropharmacology. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:481-496. [DOI: 10.1007/978-3-030-93337-1_44] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Neuwirth L, Okeke E, El Idrissi A. Developmental Pb 2+-Exposure induces cardiovascular pathologies in adult male rats. HEART AND MIND 2022. [DOI: 10.4103/hm.hm_73_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Bojić MG, Todorović L, Santrač A, Mian MY, Sharmin D, Cook JM, Savić MM. Vasodilatory effects of a variety of positive allosteric modulators of GABA A receptors on rat thoracic aorta. Eur J Pharmacol 2021; 899:174023. [PMID: 33722589 DOI: 10.1016/j.ejphar.2021.174023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/18/2021] [Accepted: 03/10/2021] [Indexed: 01/06/2023]
Abstract
Different subtypes of GABAA (gamma-aminobutyric acid A) receptors, through their specific regional and cellular localization, are involved in the manifestation of various functions, both at the central and peripheral levels. We hypothesized that various non-neuronal GABAA receptors are expressed on blood vessels, through which positive allosteric modulators of GABAA receptors exhibit vasodilatory effects. This study involved two parts: one to determine the presence of α1-6 subunit GABAA receptor mRNAs in the rat thoracic aorta, and the other to determine the vasoactivity of the various selective and non-selective positive GABAA receptor modulators: zolpidem (α1-selective), XHe-III-074 (α4-selective), MP-III-022 (α5-selective), DK-I-56-1 (α6-selective), SH-I-048A and diazepam (non-selective). Reverse transcription-polymerase chain reaction (RT-PCR) analysis data demonstrated for the first time the expression of α1, α2, α3, α4 and α5 subunits in the rat thoracic aorta tissue. Tissue bath assays on isolated rat aortic rings revealed significant vasodilatory effects of diazepam, SH-I-048A, XHe-III-074, MP-III-022 and DK-I-56-1, all in terms of achieved relaxations (over 50% of relative tension decrease), as well as in terms of preventive effects on phenylephrine (PE) contraction. Diazepam was the most efficient ligand in the present study, while zolpidem showed the weakest vascular effects. In addition, diazepam-induced relaxations in the presence of antagonists PK11195 or bicuculline were significantly reduced (P < 0.001 and P < 0.05, respectively) at lower concentrations of diazepam (10-7 M and 3 × 10-7 M). The present work suggests that the observed vasoactivity is due to modulation of "vascular" GABAA receptors, which after further detailed research may provide a therapeutic target.
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Affiliation(s)
- Milica Gajić Bojić
- Center for Biomedical Research, Faculty of Medicine, University of Banja Luka, 16 Save Mrkalja St, 78000, Banja Luka, Republic of Srpska, Bosnia and Herzegovina
| | - Lidija Todorović
- Laboratory for Radiobiology and Molecular Genetics, Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Anja Santrač
- Department of Pharmacology, Faculty of Pharmacy, University of Belgrade, 450 Vojvode Stepe St, 11000, Belgrade, Serbia
| | - Md Yeunus Mian
- Department of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin-Milwaukee, 3210 N. Cramer St., Milwaukee, WI, 53201, USA
| | - Dishary Sharmin
- Department of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin-Milwaukee, 3210 N. Cramer St., Milwaukee, WI, 53201, USA
| | - James M Cook
- Department of Chemistry and Biochemistry, Milwaukee Institute for Drug Discovery, University of Wisconsin-Milwaukee, 3210 N. Cramer St., Milwaukee, WI, 53201, USA
| | - Miroslav M Savić
- Department of Pharmacology, Faculty of Pharmacy, University of Belgrade, 450 Vojvode Stepe St, 11000, Belgrade, Serbia.
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Yang T, Chakraborty S, Mandal J, Mei X, Joe B. Microbiota and Metabolites as Factors Influencing Blood Pressure Regulation. Compr Physiol 2021; 11:1731-1757. [PMID: 33792901 DOI: 10.1002/cphy.c200009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The study of microbes has rapidly expanded in recent years due to a surge in our understanding that humans host a plethora of commensal microbes, which reside in their bodies and depending upon their composition, contribute to either normal physiology or pathophysiology. This article provides a general foundation for learning about host-commensal microbial interactions as an emerging area of research. The article is divided into two sections. The first section is dedicated to introducing commensal microbiota and its known effects on the host. The second section is on metabolites, which are biochemicals that the host and the microbes use for bi-directional communication with each other. Together, the sections review what is known about how microbes interact with the host to impact cardiovascular physiology, especially blood pressure regulation. © 2021 American Physiological Society. Compr Physiol 11:1731-1757, 2021.
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Affiliation(s)
- Tao Yang
- Center for Hypertension and Precision Medicine and Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
| | - Saroj Chakraborty
- Center for Hypertension and Precision Medicine and Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
| | - Juthika Mandal
- Center for Hypertension and Precision Medicine and Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
| | - Xue Mei
- Center for Hypertension and Precision Medicine and Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
| | - Bina Joe
- Center for Hypertension and Precision Medicine and Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
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Nutraceuticals and blood pressure control: a European Society of Hypertension position document. J Hypertens 2021; 38:799-812. [PMID: 31977574 DOI: 10.1097/hjh.0000000000002353] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
: High-normal blood pressure (BP) is associated with an increased risk of cardiovascular disease, however the cost-benefit ratio of the use of antihypertensive treatment in these patients is not yet clear. Some dietary components and natural products seems to be able to significantly lower BP without significant side effects. The aim of this position document is to highlight which of these products have the most clinically significant antihypertensive action and wheter they could be suggested to patients with high-normal BP. Among foods, beetroot juice has the most covincing evidence of antihypertensive effect. Antioxidant-rich beverages (teas, coffee) could be considered. Among nutrients, magnesium, potassium and vitamin C supplements could improve BP. Among nonnutrient-nutraceuticals, soy isoflavones could be suggested in perimenopausal women, resveratrol in insulin-resistant patients, melatonin in study participants with night hypertension. In any case, the nutracutical approach has never to substitute the drug treatment, when needed.
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Mousavi K, Niknahad H, Ghalamfarsa A, Mohammadi H, Azarpira N, Ommati MM, Heidari R. Taurine mitigates cirrhosis-associated heart injury through mitochondrial-dependent and antioxidative mechanisms. Clin Exp Hepatol 2020; 6:207-219. [PMID: 33145427 PMCID: PMC7592093 DOI: 10.5114/ceh.2020.99513] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 04/09/2020] [Indexed: 12/15/2022] Open
Abstract
Cirrhosis-induced heart injury and cardiomyopathy is a serious consequence of this disease. It has been shown that bile duct ligated (BDL) animals could serve as an appropriate experimental model to investigate heart tissue injury in cirrhosis. The accumulation of cytotoxic chemicals (e.g., bile acids) could also adversely affect the heart tissue. Oxidative stress and mitochondrial impairment are the most prominent mechanisms of bile acid cytotoxicity. Taurine (Tau) is the most abundant non-protein amino acid in the human body. The cardioprotective effects of this amino acid have repeatedly been investigated. In the current study, it was examined whether mitochondrial dysfunction and oxidative stress are involved in the pathogenesis of cirrhosis-induced heart injury. Rats underwent BDL surgery. BDL animals received Tau (50, 100, and 500 mg/kg, i.p.) for 42 consecutive days. A significant increase in oxidative stress biomarkers was detected in the heart tissue of BDL animals. Moreover, it was found that heart tissue mitochondrial indices of functionality were deteriorated in the BDL group. Tau treatment significantly decreased oxidative stress and improved mitochondrial function in the heart tissue of cirrhotic animals. These data provide clues for the involvement of mitochondrial impairment and oxidative stress in the pathogenesis of heart injury in BDL rats. On the other hand, Tau supplementation could serve as an effective ancillary treatment against BDL-associated heart injury. Mitochondrial regulating and antioxidative properties of Tau might play a fundamental role in its mechanism of protective effects in the heart tissue of BDL animals.
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Affiliation(s)
- Khadijeh Mousavi
- Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Niknahad
- Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amin Ghalamfarsa
- Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hamidreza Mohammadi
- Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negar Azarpira
- Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Reza Heidari
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Boccanegra B, Verhaart IEC, Cappellari O, Vroom E, De Luca A. Safety issues and harmful pharmacological interactions of nutritional supplements in Duchenne muscular dystrophy: considerations for Standard of Care and emerging virus outbreaks. Pharmacol Res 2020; 158:104917. [PMID: 32485610 PMCID: PMC7261230 DOI: 10.1016/j.phrs.2020.104917] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/08/2020] [Accepted: 05/08/2020] [Indexed: 12/13/2022]
Abstract
At the moment, little treatment options are available for Duchenne muscular dystrophy (DMD). The absence of the dystrophin protein leads to a complex cascade of pathogenic events in myofibres, including chronic inflammation and oxidative stress as well as altered metabolism. The attention towards dietary supplements in DMD is rapidly increasing, with the aim to counteract pathology-related alteration in nutrient intake, the consequences of catabolic distress or to enhance the immunological response of patients as nowadays for the COVID-19 pandemic emergency. By definition, supplements do not exert therapeutic actions, although a great confusion may arise in daily life by the improper distinction between supplements and therapeutic compounds. For most supplements, little research has been done and little evidence is available concerning their effects in DMD as well as their preventing actions against infections. Often these are not prescribed by clinicians and patients/caregivers do not discuss the use with their clinical team. Then, little is known about the real extent of supplement use in DMD patients. It is mistakenly assumed that, since compounds are of natural origin, if a supplement is not effective, it will also do no harm. However, supplements can have serious side effects and also have harmful interactions, in terms of reducing efficacy or leading to toxicity, with other therapies. It is therefore pivotal to shed light on this unclear scenario for the sake of patients. This review discusses the supplements mostly used by DMD patients, focusing on their potential toxicity, due to a variety of mechanisms including pharmacodynamic or pharmacokinetic interactions and contaminations, as well as on reports of adverse events. This overview underlines the need for caution in uncontrolled use of dietary supplements in fragile populations such as DMD patients. A culture of appropriate use has to be implemented between clinicians and patients' groups.
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Affiliation(s)
- Brigida Boccanegra
- Unit of Pharmacology, Department of Pharmacy and Drug Sciences, University of Bari Aldo Moro, Bari, Italy
| | - Ingrid E C Verhaart
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands; Duchenne Parent Project, the Netherlands
| | - Ornella Cappellari
- Unit of Pharmacology, Department of Pharmacy and Drug Sciences, University of Bari Aldo Moro, Bari, Italy
| | - Elizabeth Vroom
- Duchenne Parent Project, the Netherlands; World Duchenne Organisation (UPPMD), the Netherlands
| | - Annamaria De Luca
- Unit of Pharmacology, Department of Pharmacy and Drug Sciences, University of Bari Aldo Moro, Bari, Italy.
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Taurine Regulation of Peripheral Hemodynamics. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019. [PMID: 31468396 DOI: 10.1007/978-981-13-8023-5_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register]
Abstract
Taurine plays an important role in the modulation of cardiovascular function by acting not only within the brain but also within peripheral tissues. We found that IV injection of taurine to male rats caused hypotension and tachycardia. A single injection of taurine significantly lowered the systolic, diastolic and mean arterial pressure blood pressure in freely moving long Evans control rats. Previousely, we found that the endothelial cells express high levels of taurine transporters and GABAA receptors and showed that taurine activates GABAA receptors. Thus we suggest that the functional implication of GABAA receptors activation is the relaxation of the arterial muscularis, vasodilation and a decrease in blood pressure. Interestingly however, the effects of acute taurine injection were very different that chronic supplementation of taurine. When rats were supplemented taurine (0.05%, 4 weeks) in their drinking water, taurine has significant hypertensive properties. The increase in blood pressure was observed however only in females, males supplemented with taurine did not show an increase in systolic, diastolic or mean arterial pressure. In both genders however, taurine supplementation caused a significant tachycardia. Thus, we suggest that acute administration of taurine may be beneficial to lowering blood pressure. However, our data indicate that supplementation of taurine to females caused a significant increase in blood pressure. It remains to be seen the effect of taurine supplementation on hypertensive rats.
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Martiniakova M, Sarocka A, Babosova R, Galbavy D, Kapusta E, Goc Z, Formicki G, Omelka R. Bone microstructure of mice after prolonged taurine treatment. Physiol Res 2019; 68:519-523. [PMID: 31301731 DOI: 10.33549/physiolres.934139] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Taurine, a sulphur - containing amino acid, has been termed a functional nutrient. Its synthetic form is a common ingredient in supplements and energy drinks. There is no information concerning taurine impact on bone microstructure after prolonged supplemental use. Also, differences in bone parameters of mice following taurine exposure are unknown. In this study, a detailed microstructure of compact and trabecular bone tissues of mice subchronically exposed to taurine was determined. Animals (n=12) were segregated into three groups: E1 group - mice received 20 mg/kg b.w. of taurine per day during 8 weeks; E2 group - mice were fed by taurine at a dose of 40 mg/kg b.w. for 8 weeks and a control (C) group. Decreased density of secondary osteons, increased sizes of primary osteon's vascular canals (P<0.05) were observed in taurine - treated animals. Cortical bone thickness, trabecular thickness were decreased (P<0.05) in E1 group, and relative volume of trabecular bone was lower (P<0.05) in E2 group as compared to C group. According to our results, prolonged taurine exposure at the doses used in this study can negatively affect both compact and trabecular bone tissues microstructure.
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Affiliation(s)
- M Martiniakova
- Department of Zoology and Anthropology, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, Nitra, Slovak Republic.
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15
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Van Hove JLK, Freehauf CL, Ficicioglu C, Pena LDM, Moreau KL, Henthorn TK, Christians U, Jiang H, Cowan TM, Young SP, Hite M, Friederich MW, Stabler SP, Spector EB, Kronquist KE, Thomas JA, Emmett P, Harrington MJ, Pyle L, Creadon-Swindell G, Wempe MF, MacLean KN. Biomarkers of oxidative stress, inflammation, and vascular dysfunction in inherited cystathionine β-synthase deficient homocystinuria and the impact of taurine treatment in a phase 1/2 human clinical trial. J Inherit Metab Dis 2019; 42:424-437. [PMID: 30873612 DOI: 10.1002/jimd.12085] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 03/11/2019] [Indexed: 11/10/2022]
Abstract
STUDY OBJECTIVE A phase 1/2 clinical trial was performed in individuals with cystathionine β synthase (CBS) deficient homocystinuria with aims to: (a) assess pharmacokinetics and safety of taurine therapy, (b) evaluate oxidative stress, inflammation, and vascular function in CBS deficiency, and (c) evaluate the impact of short-term taurine treatment. METHODS Individuals with pyridoxine-nonresponsive CBS deficiency with homocysteine >50 μM, without inflammatory disorder or on antioxidant therapy were enrolled. Biomarkers of oxidative stress and inflammation, endothelial function (brachial artery flow-mediated dilation [FMD]), and disease-related metabolites obtained at baseline were compared to normal values. While maintaining current treatment, patients were treated with 75 mg/kg taurine twice daily, and treatment response assessed after 4 hours and 4 days. RESULTS Fourteen patients (8-35 years; 8 males, 6 females) were enrolled with baseline homocysteine levels 161 ± 67 μM. The study found high-dose taurine to be safe when excluding preexisting hypertriglyceridemia. Taurine pharmacokinetics showed a rapid peak level returning to near normal levels at 12 hours, but had slow accumulation and elevated predosing levels after 4 days of treatment. Only a single parameter of oxidative stress, 2,3-dinor-8-isoprostaglandin-F2α, was elevated at baseline, with no elevated inflammatory parameters, and no change in FMD values overall. Taurine had no effect on any of these parameters. However, the effect of taurine was strongly related to pretreatment FMD values; and taurine significantly improved FMD in the subset of individuals with pretreatment FMD values <10% and in individuals with homocysteine levels >125 μM, pertinent to endothelial function. CONCLUSION Taurine improves endothelial function in CBS-deficient homocystinuria in patients with preexisting reduced function.
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Affiliation(s)
- Johan L K Van Hove
- Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado
| | - Cynthia L Freehauf
- Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado
| | - Can Ficicioglu
- Division of Human Genetics, The Children's Hospital Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Loren D M Pena
- Division of Medical Genetics, Department of Pediatrics, Duke University, Durham, North Carolina
| | - Kerrie L Moreau
- Department of Medicine, School of Medicine, University of Colorado, Aurora, Colorado
- Geriatric Research and Education Center, Denver Veterans Administration Medical Center, Aurora, Colorado
| | - Thomas K Henthorn
- iC42 Clinical Research and Development, Department of Anesthesiology, School of Medicine, University of Colorado, Aurora, Colorado
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado, Aurora, Colorado
| | - Uwe Christians
- iC42 Clinical Research and Development, Department of Anesthesiology, School of Medicine, University of Colorado, Aurora, Colorado
| | - Hua Jiang
- Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado
| | - Tina M Cowan
- Department of Pathology, Stanford University, Stanford, California
| | - Sarah P Young
- Division of Medical Genetics, Department of Pediatrics, Duke University, Durham, North Carolina
| | - Michelle Hite
- Research Institute, Children's Hospital Colorado, Aurora, Colorado
| | - Marisa W Friederich
- Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado
| | - Sally P Stabler
- Department of Medicine, School of Medicine, University of Colorado, Aurora, Colorado
| | - Elaine B Spector
- Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado
| | - Kathryn E Kronquist
- Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado
| | - Janet A Thomas
- Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado
| | - Peggy Emmett
- CTRC Core Laboratory, Children's Hospital Colorado, Aurora, Colorado
| | - Mary J Harrington
- CTRC Core Laboratory, Children's Hospital Colorado, Aurora, Colorado
| | - Laura Pyle
- Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado
- Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado, Aurora, Colorado
| | | | - Michael F Wempe
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado, Aurora, Colorado
| | - Kenneth N MacLean
- Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado
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Pérez-Míguez R, Salido-Fortuna S, Castro-Puyana M, Marina ML. Advances in the Determination of Nonprotein Amino Acids in Foods and Biological Samples by Capillary Electrophoresis. Crit Rev Anal Chem 2019; 49:459-475. [DOI: 10.1080/10408347.2018.1546113] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Raquel Pérez-Míguez
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - Sandra Salido-Fortuna
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - María Castro-Puyana
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Instituto de Investigación Química “Andrés M. del Río” (IQAR), Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - María Luisa Marina
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Instituto de Investigación Química “Andrés M. del Río” (IQAR), Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
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17
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Cicero AFG, Grassi D, Tocci G, Galletti F, Borghi C, Ferri C. Nutrients and Nutraceuticals for the Management of High Normal Blood Pressure: An Evidence-Based Consensus Document. High Blood Press Cardiovasc Prev 2019; 26:9-25. [DOI: 10.1007/s40292-018-0296-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 12/18/2018] [Indexed: 12/28/2022] Open
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El Idrissi A. Taurine Regulation of Neuroendocrine Function. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1155:977-985. [PMID: 31468461 DOI: 10.1007/978-981-13-8023-5_81] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Taurine (2-aminoethanesulfonic acid) is a sulfur-containing amino acid. It is one of the most abundant free amino acids in many excitable tissues, including the brain, skeletal and cardiac muscles. Physiological actions of taurine are widespread and include regulation of plasma glucose levels, bile acid conjugation, detoxification, membrane stabilization, blood pressure regulation, osmoregulation, neurotransmission, and modulation of mitochondria function and cellular calcium levels. Taurine plays an important role in modulating glutamate and GABA neurotransmission and prevents excitotoxicity in vitro primarily through modulation of intracellular calcium homeostasis. Taurine supplementation prevents age-dependent decline of cognitive functions. Because of the wide spread actions of taurine, its levels are highly regulated through enzymatic biosynthesis or dietary intake. Furthermore, depletion of endogenous or dietary supplementation of exogenous taurine have been shown to induce wide spread actions on multiple organs. Cysteine sulfonic acid decarboxylase (CSAD) was first identified in the liver and is thought to be the rate-limiting enzyme in taurine biosynthesis. CSAD mRNA is expressed in the brain in astrocytes. Homozygous knockout mice lacking CSAD (CSAD-KO) have very reduced taurine content and show severe functional histopathology in the visual system, skeletal system, heart, pancreas and brain. Conversely, dietary supplementation of taurine results in significant health benefits acting through the same organ systems. Fluctuation of taurine bioavailability lead to changes in the expression levels of taurine transporters in neuronal plasma membranes, endothelial cells forming the blood-brain barrier and proximal cells of the kidneys. Suggesting a highly regulated mechanism for maintaining taurine homeostasis and organ systems function. Here we show how alterations in taurine levels directly affect the function of one organ system and through functional interaction and compensatory adaptation; these effects extend to another organ systems with focus on the nervous system.
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Affiliation(s)
- Abdeslem El Idrissi
- Department of Biology, Center for Developmental Neuroscience, College of Staten Island, Staten Island, NY, USA.
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19
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Villar-Briones A, Aird SD. Organic and Peptidyl Constituents of Snake Venoms: The Picture Is Vastly More Complex Than We Imagined. Toxins (Basel) 2018; 10:E392. [PMID: 30261630 PMCID: PMC6215107 DOI: 10.3390/toxins10100392] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 09/18/2018] [Accepted: 09/20/2018] [Indexed: 12/24/2022] Open
Abstract
Small metabolites and peptides in 17 snake venoms (Elapidae, Viperinae, and Crotalinae), were quantified using liquid chromatography-mass spectrometry. Each venom contains >900 metabolites and peptides. Many small organic compounds are present at levels that are probably significant in prey envenomation, given that their known pharmacologies are consistent with snake envenomation strategies. Metabolites included purine nucleosides and their bases, neurotransmitters, neuromodulators, guanidino compounds, carboxylic acids, amines, mono- and disaccharides, and amino acids. Peptides of 2⁻15 amino acids are also present in significant quantities, particularly in crotaline and viperine venoms. Some constituents are specific to individual taxa, while others are broadly distributed. Some of the latter appear to support high anabolic activity in the gland, rather than having toxic functions. Overall, the most abundant organic metabolite was citric acid, owing to its predominance in viperine and crotaline venoms, where it chelates divalent cations to prevent venom degradation by venom metalloproteases and damage to glandular tissue by phospholipases. However, in terms of their concentrations in individual venoms, adenosine, adenine, were most abundant, owing to their high titers in Dendroaspis polylepis venom, although hypoxanthine, guanosine, inosine, and guanine all numbered among the 50 most abundant organic constituents. A purine not previously reported in venoms, ethyl adenosine carboxylate, was discovered in D. polylepis venom, where it probably contributes to the profound hypotension caused by this venom. Acetylcholine was present in significant quantities only in this highly excitotoxic venom, while 4-guanidinobutyric acid and 5-guanidino-2-oxopentanoic acid were present in all venoms.
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Affiliation(s)
- Alejandro Villar-Briones
- Division of Research Support, Okinawa Institute of Science and Technology, 1919-1 Tancha, Onna-son, Kunigami-gun, Okinawa 904-0495, Japan.
| | - Steven D Aird
- Division of Faculty Affairs and Ecology and Evolution Unit, Okinawa Institute of Science and Technology, 1919-1 Tancha, Onna-son, Kunigami-gun, Okinawa 904-0495, Japan.
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Munteanu C, Rosioru C, Tarba C, Lang C. Long-term consumption of energy drinks induces biochemical and ultrastructural alterations in the heart muscle. Anatol J Cardiol 2018; 19:326-323. [PMID: 29724975 PMCID: PMC6280269 DOI: 10.14744/anatoljcardiol.2018.90094] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
OBJECTIVE Energy drinks (EDs) target young and active individuals and they are being marketed as enhancers of energy, concentration, and physical and cognitive performance. Their long-term consumption raises serious health concerns related to cardiovascular events. Here we investigate the effects of long-term Red Bull® consumption and its combination with alcohol on certain biochemical parameters and the ultrastructure of the myocardium. METHODS Male Wistar rats were categorized into four groups and given different treatments via oral administration. The Control (C) group received tap water, the Red Bull (RB) group received 1.5 ml/100 g body weight of Red Bull, the ethanol group (E) received 0.486 mg/100 g body weight of ethanol, and the Red Bull and ethanol (RBE) received a combination of the two beverages for 30 days. In the last 6 days of the experiment, the animals were tested for their physical performance by conducting a weight-loaded forced swim test. Immediately after swimming exhaustion, the animals were sacrificed under anesthesia and samples of the heart muscle were harvested for ultrastructural and biochemical analyses. RESULTS Our results showed a significant increase in the heart glucose and glycogen concentrations in the RB and RBE groups. Total cholesterol concentration significantly decreased in the RBE and RB groups. Total protein concentration and ALT and AST activities increased in all groups. The biochemical changes were accompanied by ultrastructural alterations. CONCLUSION Based on these results, we recommend that athletes and active persons should avoid the long-term consumption of the Red Bull ED and, particularly, its combination with alcohol.
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Affiliation(s)
| | | | | | - Camelia Lang
- Department of Molecular Biology and Biotechnology, Babes-Bolyai University; Cluj-Napoca-Romania.
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21
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Leão VF, Ferreira LLDM, Melo CM, Bonfleur ML, da Silva LL, Carneiro EM, Raimundo JM, Ribeiro RA. Taurine supplementation prevents endothelial dysfunction and attenuates structural changes in aortas from hypothalamic obese rats. Eur J Nutr 2018; 58:551-563. [DOI: 10.1007/s00394-018-1616-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 01/14/2018] [Indexed: 02/07/2023]
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22
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Shah SA, Occiano A, Nguyen TA, Chan A, Sky JC, Bhattacharyya M, O'Dell KM, Shek A, Nguyen NN. Electrocardiographic and blood pressure effects of energy drinks and Panax ginseng in healthy volunteers: A randomized clinical trial. Int J Cardiol 2016; 218:318-323. [PMID: 27240158 DOI: 10.1016/j.ijcard.2016.05.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 05/09/2016] [Indexed: 01/22/2023]
Abstract
BACKGROUND Energy drink usage has been linked to emergency room visits and deaths. The objective of the study is to assess the electrocardiographic and blood pressure effects of energy drinks, Panax ginseng and placebo in healthy individuals. METHODS This was a randomized, double blinded, placebo controlled, crossover study. Young healthy volunteers with no comorbid conditions consumed 32oz of an energy drink, control drink with 800mg of Panax ginseng or matching placebo-control drink over 45min. Primary endpoints were QTc interval and systolic blood pressure. Secondary endpoints included QT interval, PR interval, QRS duration, heart rate, and diastolic blood pressure. All endpoints were assessed at baseline, 1, 2, 3.5, and 5.5h. RESULTS A significant increase in QTc interval 2h post energy drink consumption was evident when compared to placebo (3.37±10.7ms and -3.19±11.8ms respectively; p=0.030). Similarly, systolic blood pressure 2h post energy drink consumption increased when compared to placebo (2.00±6.37mmHg and -2.67±5.83mmHg respectively; p=0.014). The PR interval significantly reduced over a 2h period post energy drink use in a clinically non-meaningful manner. Heart rate at 2h was not significantly higher in the energy drink group when compared to others. The QT interval, QRS interval and diastolic blood pressure were not impacted at any time point. CONCLUSIONS Certain energy drinks consumed at a high volume significantly increase the QTc interval and systolic blood pressure by over 6ms and 4mmHg respectively. Panax ginseng does not have a significant impact on ECG or blood pressure parameters.
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Affiliation(s)
- Sachin A Shah
- University of the Pacific, Thomas J. Long School of Pharmacy and Health Sciences, Stockton, CA, United States.
| | - Andrew Occiano
- University of the Pacific, Thomas J. Long School of Pharmacy and Health Sciences, Stockton, CA, United States
| | - Tinh An Nguyen
- University of the Pacific, Thomas J. Long School of Pharmacy and Health Sciences, Stockton, CA, United States
| | - Amanda Chan
- University of the Pacific, Thomas J. Long School of Pharmacy and Health Sciences, Stockton, CA, United States
| | - Joseph C Sky
- Heart, Lung and Vascular Clinic, David Grant USAF Medical Center, Travis AFB, CA, United States
| | | | - Kate M O'Dell
- University of the Pacific, Thomas J. Long School of Pharmacy and Health Sciences, Stockton, CA, United States
| | - Allen Shek
- University of the Pacific, Thomas J. Long School of Pharmacy and Health Sciences, Stockton, CA, United States
| | - Nancy N Nguyen
- University of the Pacific, Thomas J. Long School of Pharmacy and Health Sciences, Stockton, CA, United States
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Shi LL, Li Y, Wang Y, Feng Y. MDG-1, an Ophiopogon polysaccharide, regulate gut microbiota in high-fat diet-induced obese C57BL/6 mice. Int J Biol Macromol 2015; 81:576-83. [PMID: 26321425 DOI: 10.1016/j.ijbiomac.2015.08.057] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 08/24/2015] [Accepted: 08/25/2015] [Indexed: 01/30/2023]
Abstract
Most plant polysaccharides cannot be digested and utilized by host enzymes, and must be subjected to microbial fermentation before being assimilated by the host. MDG-1, a water-soluble β-d-fructan extracted from the roots of Ophiopogon japonicus, has potent anti-obesity and hypoglycemic effects. Interestingly, we found that MDG-1 is hardly absorbed into the blood. We presumed that MDG-1 might exhibit its potent efficacy via regulating the gut microbiota of the host. However, the overall microbiota structure variation of obese mice treated with MDG-1 and the direct metabolic consequences of MDG-1 on specific microbiota phyla remain poorly understood. Here, obese male C57BL/6 mice induced by a high-fat diet were given either vehicle or MDG-1 at a dose of 300mg/kg for 12 weeks and the overall fecal gut microbiota structure change was analyzed via pyrosequencing. On this basis, we further separated and identified the dominant bacteria of the feces from the MDG-1 treated mice. These bacteria were then cultured with MDG-1 in vitro and their metabolic profiles were analyzed via a metabonomic approach. The results showed that MDG-1 could decrease the ratio of Firmicutes/Bacteroidetes, adjust the abnormal gut microbiota to the normal state and alter their metabolic profiles. In addition, we identified that the indigestible MDG-1 could be degraded and utilized by gut microbiota that could, in turn, be assimilated and used by the host, where it exerted weight loss effects, energy metabolism promotion and boosted the immune system effectiveness.
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Affiliation(s)
- Lin-lin Shi
- Engineering Research Center of Modern Preparation Technology of TCM, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, PR China
| | - Yuan Li
- Engineering Research Center of Modern Preparation Technology of TCM, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, PR China
| | - Yuan Wang
- Engineering Research Center of Modern Preparation Technology of TCM, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, PR China.
| | - Yi Feng
- Engineering Research Center of Modern Preparation Technology of TCM, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, PR China.
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Vijitjaroen K, Punjaruk W, Wyss JM, Roysommuti S. Perinatal taurine exposure alters hematological and chemical properties of blood in adult male rats. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 803:157-66. [PMID: 25833496 DOI: 10.1007/978-3-319-15126-7_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
- Krissada Vijitjaroen
- Department of Physiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
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25
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Banerjee R, He J, Spaniel C, Quintana MT, Wang Z, Bain J, Newgard CB, Muehlbauer MJ, Willis MS. Non-targeted metabolomics analysis of cardiac Muscle Ring Finger-1 (MuRF1), MuRF2, and MuRF3 in vivo reveals novel and redundant metabolic changes. Metabolomics 2015; 11:312-322. [PMID: 28325996 PMCID: PMC5357560 DOI: 10.1007/s11306-014-0695-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The muscle-specific ubiquitin ligases MuRF1, MuRF2, MuRF3 have been reported to have overlapping substrate specificities, interacting with each other as well as proteins involved in metabolism and cardiac function. In the heart, all three MuRF family proteins have proven critical to cardiac responses to ischemia and heart failure. The non-targeted metabolomics analysis of MuRF1-/-, MuRF2-/-, and MuRF3-/- hearts was initiated to investigate the hypothesis that MuRF1, MuRF2, and MuRF3 have a similarly altered metabolome, representing alterations in overlapping metabolic processes. Ventricular tissue was flash frozen and quantitatively analyzed by GC/MS using a library built upon the Fiehn GC/MS Metabolomics RTL Library. Non-targeted metabolomic analysis identified significant differences (via VIP statistical analysis) in taurine, myoinositol, and stearic acid for the three MuRF-/- phenotypes relative to their matched controls. Moreover, pathway enrichment analysis demonstrated that MuRF1-/- had significant changes in metabolite(s) involved in taurine metabolism and primary acid biosynthesis while MuRF2-/- had changes associated with ascorbic acid/aldarate metabolism (via VIP and t-test analysis vs. sibling-matched wildtype controls). By identifying the functional metabolic consequences of MuRF1, MuRF2, and MuRF3 in the intact heart, non-targeted metabolomics analysis discovered common pathways functionally affected by cardiac MuRF family proteins in vivo. These novel metabolomics findings will aid in guiding the molecular studies delineating the mechanisms that MuRF family proteins regulate metabolic pathways. Understanding these mechanism is an important key to understanding MuRF family proteins' protective effects on the heart during cardiac disease.
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Affiliation(s)
- Ranjan Banerjee
- University of North Carolina School of Medicine, Chapel Hill, NC USA
| | - Jun He
- General Hospital of Ningxia Medical University, Yinchuan, Ningxia, P. R. China
- Department of Pathology & Laboratory Medicine, University of North Carolina, Chapel Hill, NC USA
| | - Carolyn Spaniel
- Department of Pathology & Laboratory Medicine, University of North Carolina, Chapel Hill, NC USA
| | | | | | - James Bain
- Sarah W. Stedman Nutrition and Metabolism Center, Duke Molecular Physiology Institute, Duke University Medical Center, Durham, North Carolina
- Division of Endocrinology, Metabolism, and Nutrition, Department of Medicine, Duke University Medical Center, Durham, North Carolina
| | - Christopher B. Newgard
- Sarah W. Stedman Nutrition and Metabolism Center, Duke Molecular Physiology Institute, Duke University Medical Center, Durham, North Carolina
- Division of Endocrinology, Metabolism, and Nutrition, Department of Medicine, Duke University Medical Center, Durham, North Carolina
| | - Michael J. Muehlbauer
- Sarah W. Stedman Nutrition and Metabolism Center, Duke Molecular Physiology Institute, Duke University Medical Center, Durham, North Carolina
| | - Monte S. Willis
- Department of Pathology & Laboratory Medicine, University of North Carolina, Chapel Hill, NC USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC USA
- Corresponding author: Monte S. Willis, MD, PhD, FAHA, Associate Professor, McAllister Heart Institute, Department of Pathology & Laboratory Medicine, University of North Carolina, 111 Mason Farm Road, MBRB 2340B, Chapel Hill, NC 27599, Phone: (919) 843-1938, FAX: (919) 843-4585,
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26
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Sensitive analysis of amino acids and vitamin B3 in functional drinks via field-amplified stacking with reversed-field stacking in microchip electrophoresis. Talanta 2015; 131:624-31. [DOI: 10.1016/j.talanta.2014.08.051] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 08/16/2014] [Accepted: 08/18/2014] [Indexed: 01/07/2023]
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27
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Tang DQ, Li YJ, Li Z, Bian TT, Chen K, Zheng XX, Yu YY, Jiang SS. Study on the interaction of plasma protein binding rate between edaravone and taurine in human plasma based on HPLC analysis coupled with ultrafiltration technique. Biomed Chromatogr 2014; 29:1137-45. [DOI: 10.1002/bmc.3401] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Revised: 10/16/2014] [Accepted: 10/31/2014] [Indexed: 12/20/2022]
Affiliation(s)
- Dao-quan Tang
- Department of Pharmaceutical Analysis; Xuzhou Medical College; Xuzhou Jiangsu 221004 China
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Xuzhou Medical College; Xuzhou Jiangsu 221004 China
| | - Yin-jie Li
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Xuzhou Medical College; Xuzhou Jiangsu 221004 China
| | - Zheng Li
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Xuzhou Medical College; Xuzhou Jiangsu 221004 China
| | - Ting-ting Bian
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Xuzhou Medical College; Xuzhou Jiangsu 221004 China
| | - Kai Chen
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Xuzhou Medical College; Xuzhou Jiangsu 221004 China
| | - Xiao-xiao Zheng
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Xuzhou Medical College; Xuzhou Jiangsu 221004 China
| | - Yan-yan Yu
- Department of Pharmaceutical Analysis; Xuzhou Medical College; Xuzhou Jiangsu 221004 China
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Xuzhou Medical College; Xuzhou Jiangsu 221004 China
| | - Shui-shi Jiang
- Nanjing Yoko Pharmaceutical Co. Ltd; Nanjing Jiangsu 210046 China
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