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Lagatta DC, Fassini A, Terzian AL, Corrêa FMA, Resstel LBM. The medial prefrontal cortex and the cardiac baroreflex activity: physiological and pathological implications. Pflugers Arch 2023; 475:291-307. [PMID: 36695881 DOI: 10.1007/s00424-022-02786-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/16/2022] [Accepted: 12/25/2022] [Indexed: 01/26/2023]
Abstract
The cardiac baroreflex is an autonomic neural mechanism involved in the modulation of the cardiovascular system. It influences the heart rate and peripheral vascular resistance to preserve arterial blood pressure within a narrow variation range. This mechanism is mainly controlled by medullary nuclei located in the brain stem. However, supramedullary areas, such as the ventral portion of medial prefrontal cortex (vMPFC), are also involved. Particularly, the glutamatergic NMDA/NO pathway in the vMPFC can facilitate baroreflex bradycardic and tachycardic responses. In addition, cannabinoid receptors in this same area can reduce or increase those cardiac responses, possibly through alteration in glutamate release. This vMPFC network has been associated to cardiovascular responses during stressful situations. Recent results showed an involvement of glutamatergic, nitrergic, and endocannabinoid systems in the blood pressure and heart rate increases in animals after aversive conditioning. Consequently, baroreflex could be modified by the vMPFC neurotransmission during stressful situations, allowing necessary cardiovascular adjustments. Remarkably, some mental, neurological and neurodegenerative disorders can involve damage in the vMPFC, such as posttraumatic stress disorder, major depressive disorder, Alzheimer's disease, and neuropathic pain. These pathologies are also associated with alterations in glutamate/NO release and endocannabinoid functions along with baroreflex impairment. Thus, the vMPFC seems to play a crucial role on the baroreflex control, either during pathological or physiological stress-related responses. The study of baroreflex mechanism under such pathological view may be helpful to establish causality mechanisms for the autonomic and cardiovascular imbalance found in those conditions. It can explain in the future the reasons of the high cardiovascular risk some neurological and neurodegenerative disease patients undergo. Additionally, the present work offers insights on the possible contributions of vMPFC dysfunction on baroreflex alterations, which, in turn, may raise questions in what extent other brain areas may play a role in autonomic deregulation under such pathological situations.
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Affiliation(s)
- Davi C Lagatta
- Faculty of Pharmaceutical Sciences, Food and Nutrition, Federal University of Mato Grosso do Sul, MS, 79070-900, Campo Grande, Brazil
| | - Aline Fassini
- Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo, Avenida Bandeirantes 3900, Ribeirão Preto, SP, 14090-900, Brazil
| | - Ana L Terzian
- Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo, Avenida Bandeirantes 3900, Ribeirão Preto, SP, 14090-900, Brazil
| | - Fernando M A Corrêa
- Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo, Avenida Bandeirantes 3900, Ribeirão Preto, SP, 14090-900, Brazil
| | - Leonardo B M Resstel
- Department of Pharmacology, Medical School of Ribeirão Preto, University of São Paulo, Avenida Bandeirantes 3900, Ribeirão Preto, SP, 14090-900, Brazil.
- Center for Interdisciplinary Research On Applied Neurosciences (NAPNA), Medical School of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, Brazil.
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N-Methyl-D-aspartate Glutamate Receptor Modulates Cardiovascular and Neuroendocrine Responses Evoked by Hemorrhagic Shock in Rats. BIOMED RESEARCH INTERNATIONAL 2021; 2021:1156031. [PMID: 34423030 PMCID: PMC8378978 DOI: 10.1155/2021/1156031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 07/12/2021] [Accepted: 08/04/2021] [Indexed: 12/12/2022]
Abstract
Here, we report the participation of N-methyl-D-aspartate (NMDA) glutamate receptor in the mediation of cardiovascular and circulating vasopressin responses evoked by a hemorrhagic stimulus. In addition, once NMDA receptor activation is a prominent mechanism involved in nitric oxide (NO) synthesis in the brain, we investigated whether control of hemorrhagic shock by NMDA glutamate receptor was followed by changes in NO synthesis in brain supramedullary structures involved in cardiovascular and neuroendocrine control. Thus, we observed that intraperitoneal administration of the selective NMDA glutamate receptor antagonist dizocilpine maleate (MK801, 0.3 mg/kg) delayed and reduced the magnitude of hemorrhage-induced hypotension. Besides, hemorrhage induced a tachycardia response in the posthemorrhage period (i.e., recovery period) in control animals, and systemic treatment with MK801 caused a bradycardia response during hemorrhagic shock. Hemorrhagic stimulus increased plasma vasopressin levels during the recovery period and NMDA receptor antagonism increased concentration of this hormone during both the hemorrhage and postbleeding periods in relation to control animals. Moreover, hemorrhagic shock caused a decrease in NOx levels in the paraventricular nucleus of the hypothalamus (PVN), amygdala, bed nucleus of the stria terminalis (BNST), and ventral periaqueductal gray matter (vPAG). Nevertheless, treatment with MK801 did not affect these effects. Taken together, these results indicate that the NMDA glutamate receptor is involved in the hemorrhagic shock by inhibiting circulating vasopressin release. Our data also suggest a role of the NMDA receptor in tachycardia, but not in the decreased NO synthesis in the brain evoked by hemorrhage.
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Meftah A, Hasegawa H, Kantrowitz JT. D-Serine: A Cross Species Review of Safety. Front Psychiatry 2021; 12:726365. [PMID: 34447324 PMCID: PMC8384137 DOI: 10.3389/fpsyt.2021.726365] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 07/13/2021] [Indexed: 12/18/2022] Open
Abstract
Background:D-Serine, a direct, full agonist at the D-serine/glycine modulatory site of the N-methyl-D-aspartate-type glutamate receptors (NMDAR), has been assessed as a treatment for multiple psychiatric and neurological conditions. Based on studies in rats, concerns of nephrotoxicity have limited D-serine research in humans, particularly using high doses. A review of D-serine's safety is timely and pertinent, as D-serine remains under active study for schizophrenia, both directly (R61 MH116093) and indirectly through D-amino acid oxidase (DAAO) inhibitors. The principal focus is on nephrotoxicity, but safety in other physiologic and pathophysiologic systems are also reviewed. Methods: Using the search terms "D-serine," "D-serine and schizophrenia," "D-serine and safety," "D-serine and nephrotoxicity" in PubMed, we conducted a systematic review on D-serine safety. D-serine physiology, dose-response and efficacy in clinical studies and dAAO inhibitor safety is also discussed. Results: When D-serine doses >500 mg/kg are used in rats, nephrotoxicity, manifesting as an acute tubular necrosis syndrome, seen within hours of administration is highly common, if not universal. In other species, however, D-serine induced nephrotoxicity has not been reported, even in other rodent species such as mice and rabbits. Even in rats, D--serine related toxicity is dose dependent and reversible; and does not appear to be present in rats at doses producing an acute Cmax of <2,000 nmol/mL. For comparison, the Cmax of D-serine 120 mg/kg, the highest dose tested in humans, is ~500 nmol/mL in acute dosing. Across all published human studies, only one subject has been reported to have abnormal renal values related to D-serine treatment. This abnormality did not clearly map on to the acute tubular necrosis syndrome seen in rats, and fully resolved within a few days of stopping treatment. DAAO inhibitors may be nephroprotective. D-Serine may have a physiologic role in metabolic, extra-pyramidal, cardiac and other systems, but no other clinically significant safety concerns are revealed in the literature. Conclusions: Even before considering human to rat differences in renal physiology, using current FDA guided monitoring paradigms, D-serine appears safe at currently studied maximal doses, with potential safety in combination with DAAO inhibitors.
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Affiliation(s)
- Amir Meftah
- College of Physicians and Surgeons, Columbia University, New York City, NY, United States
- New York State Psychiatric Institute, New York City, NY, United States
| | - Hiroshi Hasegawa
- Department of Pathophysiology, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
| | - Joshua T. Kantrowitz
- College of Physicians and Surgeons, Columbia University, New York City, NY, United States
- New York State Psychiatric Institute, New York City, NY, United States
- Nathan Kline Institute, Orangeburg, NY, United States
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Lagatta DC, Kuntze LB, Uliana DL, Borges-Assis AB, Resstel LBM. Bed nucleus of the stria terminalis modulates baroreflex cardiac activity: an interaction between alpha-1 receptors and NMDA/nitric oxide pathway. Pflugers Arch 2021; 473:253-271. [PMID: 33140200 DOI: 10.1007/s00424-020-02475-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/25/2020] [Accepted: 10/06/2020] [Indexed: 10/23/2022]
Abstract
The bed nucleus of the stria terminalis (BNST) is a forebrain structure, involved in the modulation of neuroendocrine, cardiovascular and autonomic responses. One of the responses is baroreflex activity, which consists in a neural mechanism responsible for keeping the blood pressure within a narrow range of variation. It has been reported that blockade of BNST α1-adrenoceptors increased the bradycardic component of baroreflex. In addition, such receptors are able to modulate glutamate release in this structure. Interestingly, BNST NMDA receptor antagonism and neuronal nitric oxide synthase (nNOS) inhibition led to the same effect of the α1-adrenoceptors blockade on baroreflex bradycardic response. Therefore, the hypothesis of the present study is that BNST noradrenergic transmission interacts with NMDA/NO pathway through α1 adrenoceptors to modulate the baroreflex activity. Male Wistar rats had stainless steel guide cannulas bilaterally implanted in the BNST. Subsequently, a catheter was inserted into the femoral artery for cardiovascular recordings, and into the femoral vein for assessing baroreflex activation. Injection of the noradrenaline reuptake inhibitor reboxetine in the BNST did not modify the tachycardic, but significantly decreased the bradycardic component of baroreflex. Administration of an α1, but not an α2 antagonist into the BNST prior to reboxetine prevented this effect. Likewise, previous injection of NMDA/NO pathway blockers inhibited the effect of reboxetine on bradycardic response. In conclusion, it was demonstrated for the first time the existence of an interaction between BNST noradrenergic, glutamatergic and nitrergic neurotransmissions in the modulation of bradycardic baroreflex response.
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Affiliation(s)
- Davi C Lagatta
- Pharmaceutical Sciences, Food and Nutrition College, Federal University of Mato Grosso do Sul, UFMS, Campo Grande, MS, Brazil
| | - Luciana B Kuntze
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Bandeirantes Avenue 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Daniela L Uliana
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Bandeirantes Avenue 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Anna B Borges-Assis
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Bandeirantes Avenue 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Leonardo B M Resstel
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Bandeirantes Avenue 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil.
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Watso JC, Huang M, Moralez G, Cramer MN, Hendrix JM, Cimino FA, Belval LN, Hinojosa‐Laborde C, Crandall CG. Low dose ketamine reduces pain perception and blood pressure, but not muscle sympathetic nerve activity, responses during a cold pressor test. J Physiol 2020; 599:67-81. [DOI: 10.1113/jp280706] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 10/01/2020] [Indexed: 11/08/2022] Open
Affiliation(s)
- Joseph C. Watso
- Institute for Exercise and Environmental Medicine Texas Health Presbyterian Hospital Dallas and University of Texas Southwestern Medical Center Dallas TX USA
| | - Mu Huang
- Institute for Exercise and Environmental Medicine Texas Health Presbyterian Hospital Dallas and University of Texas Southwestern Medical Center Dallas TX USA
- Department of Applied Clinical Research University of Texas Southwestern Medical Center Dallas TX USA
| | - Gilbert Moralez
- Institute for Exercise and Environmental Medicine Texas Health Presbyterian Hospital Dallas and University of Texas Southwestern Medical Center Dallas TX USA
- Department of Applied Clinical Research University of Texas Southwestern Medical Center Dallas TX USA
| | - Matthew N. Cramer
- Institute for Exercise and Environmental Medicine Texas Health Presbyterian Hospital Dallas and University of Texas Southwestern Medical Center Dallas TX USA
| | - Joseph M. Hendrix
- Institute for Exercise and Environmental Medicine Texas Health Presbyterian Hospital Dallas and University of Texas Southwestern Medical Center Dallas TX USA
- Department of Anesthesiology University of Texas Southwestern Medical Center Dallas TX USA
| | - Frank A. Cimino
- Institute for Exercise and Environmental Medicine Texas Health Presbyterian Hospital Dallas and University of Texas Southwestern Medical Center Dallas TX USA
| | - Luke N. Belval
- Institute for Exercise and Environmental Medicine Texas Health Presbyterian Hospital Dallas and University of Texas Southwestern Medical Center Dallas TX USA
| | | | - Craig G. Crandall
- Institute for Exercise and Environmental Medicine Texas Health Presbyterian Hospital Dallas and University of Texas Southwestern Medical Center Dallas TX USA
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Kantrowitz JT, Grinband J, Goff DC, Lahti AC, Marder SR, Kegeles LS, Girgis RR, Sobeih T, Wall MM, Choo TH, Green MF, Yang YS, Lee J, Horga G, Krystal JH, Potter WZ, Javitt DC, Lieberman JA. Proof of mechanism and target engagement of glutamatergic drugs for the treatment of schizophrenia: RCTs of pomaglumetad and TS-134 on ketamine-induced psychotic symptoms and pharmacoBOLD in healthy volunteers. Neuropsychopharmacology 2020; 45:1842-1850. [PMID: 32403118 PMCID: PMC7608251 DOI: 10.1038/s41386-020-0706-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/12/2020] [Accepted: 05/06/2020] [Indexed: 12/15/2022]
Abstract
Glutamate neurotransmission is a prioritized target for antipsychotic drug development. Two metabotropic glutamate receptor 2/3 (mGluR2/3) agonists (pomaglumetad [POMA] and TS-134) were assessed in two Phase Ib proof of mechanism studies of comparable designs and using identical clinical assessments and pharmacoBOLD methodology. POMA was examined in a randomized controlled trial under double-blind conditions for 10-days at doses of 80 or 320 mg/d POMA versus placebo (1:1:1 ratio). The TS-134 trial was a randomized, single-blind, 6-day study of 20 or 60 mg/d TS-134 versus placebo (5:5:2 ratio). Primary outcomes were ketamine-induced changes in pharmacoBOLD in the dorsal anterior cingulate cortex (dACC) and symptoms reflected on the Brief Psychiatric Rating Scale (BPRS). Both trials were conducted contemporaneously. 95 healthy volunteers were randomized to POMA and 63 to TS-134. High-dose POMA significantly reduced ketamine-induced BPRS total symptoms within and between-groups (p < 0.01, d = -0.41; p = 0.04, d = -0.44, respectively), but neither POMA dose significantly suppressed ketamine-induced dACC pharmacoBOLD. In contrast, low-dose TS-134 led to moderate to large within and between group reductions in both BPRS positive symptoms (p = 0.02, d = -0.36; p = 0.008, d = -0.82, respectively) and dACC pharmacoBOLD (p = 0.004, d = -0.56; p = 0.079, d = -0.50, respectively) using pooled across-study placebo data. High-dose POMA exerted significant effects on clinical symptoms, but not on target engagement, suggesting a higher dose may yet be needed, while the low dose of TS-134 showed evidence of symptom reduction and target engagement. These results support further investigation of mGluR2/3 and other glutamate-targeted treatments for schizophrenia.
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Affiliation(s)
- Joshua T. Kantrowitz
- grid.21729.3f0000000419368729Columbia University, New York, NY USA ,grid.413734.60000 0000 8499 1112New York State Psychiatric Institute, New York, NY USA ,grid.250263.00000 0001 2189 4777Nathan Kline Institute, Orangeburg, NY USA
| | - Jack Grinband
- grid.21729.3f0000000419368729Columbia University, New York, NY USA ,grid.413734.60000 0000 8499 1112New York State Psychiatric Institute, New York, NY USA
| | - Donald C. Goff
- grid.250263.00000 0001 2189 4777Nathan Kline Institute, Orangeburg, NY USA ,grid.240324.30000 0001 2109 4251NYU Langone Medical Center, New York, NY USA
| | - Adrienne C. Lahti
- grid.265892.20000000106344187University of Alabama at Birmingham, Birmingham, AL USA
| | | | - Lawrence S. Kegeles
- grid.21729.3f0000000419368729Columbia University, New York, NY USA ,grid.413734.60000 0000 8499 1112New York State Psychiatric Institute, New York, NY USA
| | - Ragy R. Girgis
- grid.21729.3f0000000419368729Columbia University, New York, NY USA ,grid.413734.60000 0000 8499 1112New York State Psychiatric Institute, New York, NY USA
| | - Tarek Sobeih
- grid.250263.00000 0001 2189 4777Nathan Kline Institute, Orangeburg, NY USA
| | - Melanie M. Wall
- grid.21729.3f0000000419368729Columbia University, New York, NY USA ,grid.413734.60000 0000 8499 1112New York State Psychiatric Institute, New York, NY USA
| | - Tse-Hwei Choo
- grid.21729.3f0000000419368729Columbia University, New York, NY USA ,grid.413734.60000 0000 8499 1112New York State Psychiatric Institute, New York, NY USA
| | | | - Yvonne S. Yang
- grid.19006.3e0000 0000 9632 6718UCLA, Los Angeles, CA USA
| | - Junghee Lee
- grid.19006.3e0000 0000 9632 6718UCLA, Los Angeles, CA USA
| | - Guillermo Horga
- grid.21729.3f0000000419368729Columbia University, New York, NY USA ,grid.413734.60000 0000 8499 1112New York State Psychiatric Institute, New York, NY USA
| | - John H. Krystal
- grid.47100.320000000419368710Yale University School of Medicine, New Haven, CT USA
| | - William Z. Potter
- grid.94365.3d0000 0001 2297 5165National Institutes of Health, Bethesda, MD USA
| | - Daniel C. Javitt
- grid.21729.3f0000000419368729Columbia University, New York, NY USA ,grid.413734.60000 0000 8499 1112New York State Psychiatric Institute, New York, NY USA ,grid.250263.00000 0001 2189 4777Nathan Kline Institute, Orangeburg, NY USA
| | - Jeffrey A. Lieberman
- grid.21729.3f0000000419368729Columbia University, New York, NY USA ,grid.413734.60000 0000 8499 1112New York State Psychiatric Institute, New York, NY USA
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Benini R, Oliveira LA, Gomes-de-Souza L, Rodrigues B, Crestani CC. Habituation of the cardiovascular response to restraint stress is inhibited by exposure to other stressor stimuli and exercise training. J Exp Biol 2020; 223:jeb219501. [PMID: 32205360 DOI: 10.1242/jeb.219501] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 03/13/2020] [Indexed: 01/06/2023]
Abstract
This study evaluated the effect of exposure to either a chronic variable stress (CVS) protocol or social isolation, as well as treadmill exercise training, in the habituation of the cardiovascular response upon repeated exposure to restraint stress in rats. The habituation of the corticosterone response to repeated restraint stress was also evaluated. For this, animals were subjected to either acute or 10 daily sessions of 60 min of restraint stress. CVS and social isolation protocols lasted for 10 consecutive days, whereas treadmill training was performed for 1 h per day, 5 days per week for 8 weeks. We observed that the increase in serum corticosterone was reduced during both the stress and the recovery period of the 10th session of restraint. Habituation of the cardiovascular response was identified in terms of a faster return of heart rate to baseline values during the recovery period of the 10th session of restraint. The increase in blood pressure and the decrease in tail skin temperature were similar at the 1st and 10th session of restraint. Exposure to CVS, social isolation or treadmill exercise training inhibited the habituation of the restraint-evoked tachycardia. Additionally, CVS increased the blood pressure response at the 10th session of restraint, whereas social isolation enhanced both the tachycardia during the first session and the drop in skin temperature at the 10th session of restraint. Taken together, these findings provide new evidence that pathologies evoked by stress might be related to impairment in the habituation process to homotypic stressors.
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Affiliation(s)
- Ricardo Benini
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP 14800-903, Brazil
- Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP 13565-905, Brazil
| | - Leandro A Oliveira
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP 14800-903, Brazil
- Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP 13565-905, Brazil
| | - Lucas Gomes-de-Souza
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP 14800-903, Brazil
- Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP 13565-905, Brazil
| | - Bruno Rodrigues
- Department of Adapted Physical Activity, Faculty of Physical Education, University of Campinas - UNICAMP, Campinas, SP 13083-851, Brazil
| | - Carlos C Crestani
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP 14800-903, Brazil
- Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP 13565-905, Brazil
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Gomes-de-Souza L, Costa-Ferreira W, Oliveira LA, Benini R, Crestani CC. Cannabinoid receptor type 1 in the bed nucleus of the stria terminalis modulates cardiovascular responses to stress via local N-methyl-D-aspartate receptor/neuronal nitric oxide synthase/soluble guanylate cyclase/protein kinase G signaling. J Psychopharmacol 2020; 34:429-440. [PMID: 31913077 DOI: 10.1177/0269881119897556] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Endocannabinoid neurotransmission in the bed nucleus of the stria terminalis is involved in the control of cardiovascular responses to stress. However, the local mechanisms involved is this regulation are not known. AIMS The purpose of this study was to assess an interaction of bed nucleus of the stria terminalis endocannabinoid neurotransmission with local nitrergic signaling, as well as to investigate the involvement of local N-methyl-D-aspartate glutamate receptor and nitric oxide signaling in the control of cardiovascular responses to acute restraint stress by bed nucleus of the stria terminalis endocannabinoid neurotransmission in rats. METHODS The first protocol evaluated the effect of intra-bed nucleus of the stria terminalis microinjection of the selective cannabinoid receptor type 1 receptor antagonist AM251 in nitrite/nitrate content in the bed nucleus of the stria terminalis following restraint stress. The other protocols evaluated the impact of local pretreatment with the selective N-methyl-D-aspartate glutamate receptor antagonist LY235959, the selective neuronal nitric oxide synthase inhibitor Nω-propyl-L-arginine, the soluble guanylate cyclase inhibitor 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one, or the protein kinase G inhibitor KT5823 in restraint-evoked cardiovascular changes following bed nucleus of the stria terminalis treatment with AM251. RESULTS Bilateral microinjection of AM251 into the bed nucleus of the stria terminalis increased local nitric oxide release during restraint stress. Bed nucleus of the stria terminalis treatment with the cannabinoid receptor type 1 receptor antagonist also enhanced the tachycardia caused by restraint stress, but without affecting arterial pressure increase and sympathetic-mediated cutaneous vasoconstriction. The facilitation of restraint-evoked tachycardia following bed nucleus of the stria terminalis treatment with the cannabinoid receptor type 1 receptor antagonist was completely inhibited by local pretreatment with LY235959, Nω-propyl-L-arginine, 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one, or KT5823. CONCLUSIONS Our results provide evidence that bed nucleus of the stria terminalis endocannabinoid neurotransmission inhibits local N-methyl-D-aspartate/neuronal nitric oxide synthase/soluble guanylate cyclase/protein kinase G signaling, and this mechanism is involved in the control of the cardiovascular responses to stress.
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Affiliation(s)
- Lucas Gomes-de-Souza
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil.,Joint Federal University of São Carlos (UFSCar)-UNESP Graduate Program in Physiological Sciences, São Carlos, Brazil
| | - Willian Costa-Ferreira
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil.,Joint Federal University of São Carlos (UFSCar)-UNESP Graduate Program in Physiological Sciences, São Carlos, Brazil
| | - Leandro A Oliveira
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil.,Joint Federal University of São Carlos (UFSCar)-UNESP Graduate Program in Physiological Sciences, São Carlos, Brazil
| | - Ricardo Benini
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil.,Joint Federal University of São Carlos (UFSCar)-UNESP Graduate Program in Physiological Sciences, São Carlos, Brazil
| | - Carlos C Crestani
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, Brazil.,Joint Federal University of São Carlos (UFSCar)-UNESP Graduate Program in Physiological Sciences, São Carlos, Brazil
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Cassol G, Godinho DB, de Zorzi VN, Farinha JB, Della-Pace ID, de Carvalho Gonçalves M, Oliveira MS, Furian AF, Fighera MR, Royes LFF. Potential therapeutic implications of ergogenic compounds on pathophysiology induced by traumatic brain injury: A narrative review. Life Sci 2019; 233:116684. [DOI: 10.1016/j.lfs.2019.116684] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 07/22/2019] [Indexed: 12/19/2022]
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Medial prefrontal cortex TRPV1 and CB1 receptors modulate cardiac baroreflex activity by regulating the NMDA receptor/nitric oxide pathway. Pflugers Arch 2018; 470:1521-1542. [PMID: 29845313 DOI: 10.1007/s00424-018-2149-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 04/10/2018] [Accepted: 04/27/2018] [Indexed: 12/23/2022]
Abstract
The ventral medial prefrontal cortex (vMPFC) facilitates the cardiac baroreflex response through N-methyl-D-aspartate (NMDA) receptor activation and nitric oxide (NO) formation by neuronal NO synthase (nNOS) and soluble guanylate cyclase (sGC) triggering. Glutamatergic transmission is modulated by the cannabinoid receptor type 1 (CB1) and transient receptor potential vanilloid type 1 (TRPV1) receptors, which may inhibit or stimulate glutamate release in the brain, respectively. Interestingly, vMPFC CB1 receptors decrease cardiac baroreflex responses, while TRPV1 channels facilitate them. Therefore, the hypothesis of the present study is that the vMPFC NMDA/NO pathway is regulated by both CB1 and TRPV1 receptors in the modulation of cardiac baroreflex activity. In order to test this assumption, we used male Wistar rats that had stainless steel guide cannulae bilaterally implanted in the vMPFC. Subsequently, a catheter was inserted into the femoral artery, for cardiovascular recordings, and into the femoral vein for assessing baroreflex activation. The increase in tachycardic and bradycardic responses observed after the microinjection of a CB1 receptors antagonist into the vMPFC was prevented by an NMDA antagonist as well as by the nNOS and sGC inhibition. NO extracellular scavenging also abolished these responses. These same pharmacological manipulations inhibited cardiac reflex enhancement induced by TRPV1 agonist injection into the area. Based on these results, we conclude that vMPFC CB1 and TRPV1 receptors inhibit or facilitate the cardiac baroreflex activity by stimulating or blocking the NMDA activation and NO synthesis.
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Oliveira LA, Gomes-de-Souza L, Benini R, Crestani CC. Control of cardiovascular responses to stress by CRF in the bed nucleus of stria terminalis is mediated by local NMDA/nNOS/sGC/PKG signaling. Psychoneuroendocrinology 2018; 89:168-176. [PMID: 29414029 DOI: 10.1016/j.psyneuen.2018.01.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Revised: 01/05/2018] [Accepted: 01/10/2018] [Indexed: 11/27/2022]
Abstract
The aims of the present study were to assess an interaction of corticotropin-releasing factor (CRF) neurotransmission within the bed nucleus of the stria terminalis (BNST) with local nitrergic signaling, as well as to investigate an involvement of activation of local NMDA glutamate receptor and nitric oxide (NO) signaling in control of cardiovascular responses to acute restraint stress by BNST CRF neurotransmission in rats. We observed that CRF microinjection into the BNST increased local NO release during restraint stress. Furthermore, bilateral microinjection of CRF into the BNST enhanced both the arterial pressure and heart rate increases evoked by restraint stress, but without affecting the sympathetically-mediated cutaneous vasoconstriction. The facilitation of both pressor and tachycardiac responses to restraint stress evoked by BNST treatment with CRF were completely inhibited by local pretreatment with either the selective NMDA glutamate receptor antagonist LY235959, the selective neuronal nitric oxide synthase (nNOS) inhibitor Nω-Propyl-l-arginine (NPLA), the soluble guanylate cyclase (sGC) inhibitor 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one (ODQ) or the protein kinase G (PKG) inhibitor KT5823. Taken together, these results provide evidence that BNST CRF neurotransmission facilitates local NMDA-mediated glutamatergic neurotransmission and activates nitrergic signaling, and this pathway is involved in control of cardiovascular responses to stress.
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Affiliation(s)
- Leandro A Oliveira
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, Brazil; Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP, Brazil
| | - Lucas Gomes-de-Souza
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, Brazil; Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP, Brazil
| | - Ricardo Benini
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, Brazil; Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP, Brazil
| | - Carlos C Crestani
- Laboratory of Pharmacology, São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, Brazil; Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP, Brazil.
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12
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Hott SC, Gomes FV, Uliana DL, Vale GT, Tirapelli CR, Resstel LB. Bed nucleus of the stria terminalis NMDA receptors and nitric oxide modulate contextual fear conditioning in rats. Neuropharmacology 2017; 112:135-143. [DOI: 10.1016/j.neuropharm.2016.05.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Revised: 05/22/2016] [Accepted: 05/29/2016] [Indexed: 01/17/2023]
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13
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Engi SA, Planeta CS, Crestani CC. Effect of Voluntary Ethanol Consumption Combined with Testosterone Treatment on Cardiovascular Function in Rats: Influence of Exercise Training. PLoS One 2016; 11:e0146974. [PMID: 26760038 PMCID: PMC4711937 DOI: 10.1371/journal.pone.0146974] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 12/23/2015] [Indexed: 01/15/2023] Open
Abstract
This study evaluated the effects of voluntary ethanol consumption combined with testosterone treatment on cardiovascular function in rats. Moreover, we investigated the influence of exercise training on these effects. To this end, male rats were submitted to low-intensity training on a treadmill or kept sedentary while concurrently being treated with ethanol for 6 weeks. For voluntary ethanol intake, rats were given access to two bottles, one containing ethanol and other containing water, three 24-hour sessions per week. In the last two weeks (weeks 5 and 6), animals underwent testosterone treatment concurrently with exercise training and exposure to ethanol. Ethanol consumption was not affected by either testosterone treatment or exercise training. Also, drug treatments did not influence the treadmill performance improvement evoked by training. However, testosterone alone, but not in combination with ethanol, reduced resting heart rate. Moreover, combined treatment with testosterone and ethanol reduced the pressor response to the selective α1-adrenoceptor agonist phenylephrine. Treatment with either testosterone or ethanol alone also affected baroreflex activity and enhanced depressor response to acetylcholine, but these effects were inhibited when drugs were coadministrated. Exercise training restored most cardiovascular effects evoked by drug treatments. Furthermore, both drugs administrated alone increased pressor response to phenylephrine in trained animals. Also, drug treatments inhibited the beneficial effects of training on baroreflex function. In conclusion, the present results suggest a potential interaction between toxic effects of testosterone and ethanol on cardiovascular function. Data also indicate that exercise training is an important factor influencing the effects of these substances.
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Affiliation(s)
- Sheila A. Engi
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, Univ. Estadual Paulista-UNESP, Araraquara, SP, Brazil
- Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP, Brazil
| | - Cleopatra S. Planeta
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, Univ. Estadual Paulista-UNESP, Araraquara, SP, Brazil
- Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP, Brazil
| | - Carlos C. Crestani
- Laboratory of Pharmacology, School of Pharmaceutical Sciences, Univ. Estadual Paulista-UNESP, Araraquara, SP, Brazil
- Joint UFSCar-UNESP Graduate Program in Physiological Sciences, São Carlos, SP, Brazil
- * E-mail:
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14
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Smirl JD, Hoffman K, Tzeng YC, Hansen A, Ainslie PN. Relationship between blood pressure and cerebral blood flow during supine cycling: influence of aging. J Appl Physiol (1985) 2015; 120:552-63. [PMID: 26586907 DOI: 10.1152/japplphysiol.00667.2015] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 11/13/2015] [Indexed: 11/22/2022] Open
Abstract
The cerebral pressure-flow relationship can be quantified as a high-pass filter, where slow oscillations are buffered (<0.20 Hz) and faster oscillations are passed through relatively unimpeded. During moderate intensity exercise, previous studies have reported paradoxical transfer function analysis (TFA) findings (altered phase or intact gain). This study aimed to determine whether these previous findings accurately represent this relationship. Both younger (20-30 yr; n = 10) and older (62-72 yr; n = 9) adults were examined. To enhance the signal-to-noise ratio, large oscillations in blood pressure (via oscillatory lower body negative pressure; OLBNP) were induced during steady-state moderate intensity supine exercise (∼45-50% of heart rate reserve). Beat-to-beat blood pressure, cerebral blood velocity, and end-tidal Pco2 were monitored. Very low frequency (0.02-0.07 Hz) and low frequency (0.07-0.20 Hz) range spontaneous data were quantified. Driven OLBNP point estimates were sampled at 0.05 and 0.10 Hz. The OLBNP maneuvers augmented coherence to >0.97 at 0.05 Hz and >0.98 at 0.10 Hz in both age groups. The OLBNP protocol conclusively revealed the cerebrovascular system functions as a high-pass filter during exercise throughout aging. It was also discovered that the older adults had elevations (+71%) in normalized gain (+0.46 ± 0.36%/%: 0.05 Hz) and reductions (-34%) in phase (-0.24 ± 0.22 radian: 0.10 Hz). There were also age-related phase differences between resting and exercise conditions. It is speculated that these age-related changes in the TFA metrics are mediated by alterations in vasoactive factors, sympathetic tone, or the mechanical buffering of the compliance vessels.
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Affiliation(s)
- Jonathan D Smirl
- Centre for Heart, Lung and Vascular Health; School of Health and Exercise Sciences, University of British Columbia, Okanagan Campus, Canada;
| | - Keegan Hoffman
- Centre for Heart, Lung and Vascular Health; School of Health and Exercise Sciences, University of British Columbia, Okanagan Campus, Canada
| | - Yu-Chieh Tzeng
- Cardiovascular Systems Laboratory, Centre for Translational Physiology, University of Otago, Wellington, New Zealand
| | - Alex Hansen
- Centre for Heart, Lung and Vascular Health; School of Health and Exercise Sciences, University of British Columbia, Okanagan Campus, Canada
| | - Philip N Ainslie
- Centre for Heart, Lung and Vascular Health; School of Health and Exercise Sciences, University of British Columbia, Okanagan Campus, Canada
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15
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Almeida J, Duarte JO, Oliveira LA, Crestani CC. Effects of nitric oxide synthesis inhibitor or fluoxetine treatment on depression-like state and cardiovascular changes induced by chronic variable stress in rats. Stress 2015; 18:462-74. [PMID: 26068517 DOI: 10.3109/10253890.2015.1038993] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Comorbidity between mood disorders and cardiovascular disease has been described extensively. However, available antidepressants can have cardiovascular side effects. Treatment with selective inhibitors of neuronal nitric oxide synthase (nNOS) induces antidepressant effects, but whether the antidepressant-like effects of these drugs are followed by cardiovascular changes has not been previously investigated. Here, we tested in male rats exposed to chronic variable stress (CVS) the hypothesis that nNOS blockers are advantageous compared with conventional antidepressants in terms of cardiovascular side effects. We compared the effects of chronic treatment with the preferential nNOS inhibitor 7-nitroindazole (7-NI) with those evoked by the conventional antidepressant fluoxetine on alterations that are considered as markers of depression (immobility in the forced swimming test, FST, decreased body weight gain and increased plasma corticosterone concentration) and cardiovascular changes caused by CVS. Rats were exposed to a 14-day CVS protocol, while being concurrently treated daily with either 7-NI (30 mg/kg) or fluoxetine (10 mg/kg). Fluoxetine and 7-NI prevented the increase in immobility in the FST induced by CVS and reduced plasma corticosterone concentration in stressed rats. Both these treatments also prevented the CVS-evoked reduction of the depressor response to vasodilator agents and baroreflex changes. Fluoxetine and 7-NI-induced cardiovascular changes independent of stress exposure, including cardiac autonomic imbalance, increased intrinsic heart rate and vascular sympathetic modulation, a reduction of the pressor response to vasoconstrictor agents, and impairment of baroreflex activity. Altogether, these findings provide evidence that fluoxetine and 7-NI have similar effects on the depression-like state induced by CVS and on cardiovascular function.
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Affiliation(s)
- Jeferson Almeida
- a Laboratory of Pharmacology , School of Pharmaceutical Sciences, São Paulo State University , UNESP, Araraquara, SP , Brazil and
- b Joint UFSCar-UNESP Graduate Program in Physiological Sciences , São Carlos, SP , Brazil
| | - Josiane O Duarte
- a Laboratory of Pharmacology , School of Pharmaceutical Sciences, São Paulo State University , UNESP, Araraquara, SP , Brazil and
- b Joint UFSCar-UNESP Graduate Program in Physiological Sciences , São Carlos, SP , Brazil
| | - Leandro A Oliveira
- a Laboratory of Pharmacology , School of Pharmaceutical Sciences, São Paulo State University , UNESP, Araraquara, SP , Brazil and
- b Joint UFSCar-UNESP Graduate Program in Physiological Sciences , São Carlos, SP , Brazil
| | - Carlos C Crestani
- a Laboratory of Pharmacology , School of Pharmaceutical Sciences, São Paulo State University , UNESP, Araraquara, SP , Brazil and
- b Joint UFSCar-UNESP Graduate Program in Physiological Sciences , São Carlos, SP , Brazil
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16
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Siette J, Reichelt AC, Westbrook RF. A bout of voluntary running enhances context conditioned fear, its extinction, and its reconsolidation. Learn Mem 2014; 21:73-81. [PMID: 24429425 PMCID: PMC3895230 DOI: 10.1101/lm.032557.113] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Three experiments used rats to examine the effect of a single bout of voluntary activity (wheel running) on the acquisition, extinction, and reconsolidation of context conditioned fear. In Experiment 1, rats provided with access to a wheel for 3 h immediately before or after a shocked exposure to a context froze more when tested in that context than rats provided with access to the wheels 6 h after the shocked exposure or rats not provided with access to the wheels. In Experiment 2, rats provided with access to the wheels immediately before or after a nonshocked exposure to the conditioned context froze less when tested in that context than rats provided with access to the wheels 6 h after the nonshocked exposure or rats not provided with access to the wheels. In Experiment 3, rats provided with access to wheels immediately after an extended nonshocked exposure to the conditioned context again froze less, whereas rats provided with access to the wheels after a brief nonshocked exposure froze more on the subsequent test than sedentary controls. These results show that a single bout of running can enhance acquisition, extinction, and reconsolidation of context conditioned fear.
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Affiliation(s)
- Joyce Siette
- School of Psychology, University of New South Wales, Sydney NSW 2034, Australia
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17
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Shan L, Wang B, Gao G, Cao W, Zhang Y. l-Arginine supplementation improves antioxidant defenses through l-arginine/nitric oxide pathways in exercised rats. J Appl Physiol (1985) 2013; 115:1146-55. [DOI: 10.1152/japplphysiol.00225.2013] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
l-Arginine (l-Arg) supplementation has been shown to enhance physical exercise capacity and delay onset of fatigue. This work investigated the potential beneficial mechanism(s) of l-Arg supplementation by examining its effect on the cellular oxidative and nitrosative stress pathways in the exercised rats. Forty-eight rats were randomly divided into six groups: sedentary control; sedentary control with l-Arg treatment; endurance training (daily swimming training for 8 wk) control; endurance training with l-Arg treatment; an exhaustive exercise (one time swimming to fatigue) control; and an exhaustive exercise with l-Arg treatment. l-Arg (500 mg/kg body wt) or saline was given to rats by intragastric administration 1 h before the endurance training and the exhaustive swimming test. Expression levels and activities of the l-Arg/nitric oxide (NO) pathway components and parameters of the oxidative stress and antioxidant defense capacity were investigated in l-Arg-treated and control rats. The result show that the l-Arg supplementation completely reversed the exercise-induced activation of NO synthase and superoxide dismutase, increased l-Arg transport capacity, and increased NO and anti-superoxide anion levels. These data demonstrate that l-Arg supplementation effectively reduces the exercise-induced imbalance between oxidative stress and antioxidant defense capacity, and this modulation is likely mediated through the l-Arg/NO pathways. The findings of this study improved our understanding of how l-Arg supplementation prevents elevations of reactive oxygen species and favorably enhances the antioxidant defense capacity during physical exercise.
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Affiliation(s)
- Lingling Shan
- Department of Biochemistry Pharmacy, School of Chemistry and Life Science, SuZhou University, SuZhou, China; and
| | - Bin Wang
- Department of Health Science, Nanjing Sport Institute, Nanjing, China
| | - Guizhen Gao
- Department of Biochemistry Pharmacy, School of Chemistry and Life Science, SuZhou University, SuZhou, China; and
| | - Wengen Cao
- Department of Biochemistry Pharmacy, School of Chemistry and Life Science, SuZhou University, SuZhou, China; and
| | - Yunkun Zhang
- Department of Health Science, Nanjing Sport Institute, Nanjing, China
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