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Ding M, Heydarpour M, Gomez DH, Aljaibeji H, Parksook WW, Peng L, Pojoga LH, Romero JR, Williams GH. ERAP1 Shows Distinct Regulatory Mechanisms on Blood Pressure Modulation Between Males and Females. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.07.544152. [PMID: 37333240 PMCID: PMC10274870 DOI: 10.1101/2023.06.07.544152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
The authors have withdrawn their manuscript owing to editing error. Therefore, the authors do not wish this work to be cited as reference for the project. If you have any questions, please contact the corresponding author.
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Pandey KN. Molecular and genetic aspects of guanylyl cyclase natriuretic peptide receptor-A in regulation of blood pressure and renal function. Physiol Genomics 2018; 50:913-928. [PMID: 30169131 DOI: 10.1152/physiolgenomics.00083.2018] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Natriuretic peptides (NPs) exert diverse effects on several biological and physiological systems, such as kidney function, neural and endocrine signaling, energy metabolism, and cardiovascular function, playing pivotal roles in the regulation of blood pressure (BP) and cardiac and vascular homeostasis. NPs are collectively known as anti-hypertensive hormones and their main functions are directed toward eliciting natriuretic/diuretic, vasorelaxant, anti-proliferative, anti-inflammatory, and anti-hypertrophic effects, thereby, regulating the fluid volume, BP, and renal and cardiovascular conditions. Interactions of NPs with their cognate receptors display a central role in all aspects of cellular, biochemical, and molecular mechanisms that govern physiology and pathophysiology of BP and cardiovascular events. Among the NPs atrial and brain natriuretic peptides (ANP and BNP) activate guanylyl cyclase/natriuretic peptide receptor-A (GC-A/NPRA) and initiate intracellular signaling. The genetic disruption of Npr1 (encoding GC-A/NPRA) in mice exhibits high BP and hypertensive heart disease that is seen in untreated hypertensive subjects, including high BP and heart failure. There has been a surge of interest in the NPs and their receptors and a wealth of information have emerged in the last four decades, including molecular structure, signaling mechanisms, altered phenotypic characterization of transgenic and gene-targeted animal models, and genetic analyses in humans. The major goal of the present review is to emphasize and summarize the critical findings and recent discoveries regarding the molecular and genetic regulation of NPs, physiological metabolic functions, and the signaling of receptor GC-A/NPRA with emphasis on the BP regulation and renal and cardiovascular disorders.
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Affiliation(s)
- Kailash N Pandey
- Department of Physiology, Tulane University Health Sciences Center, School of Medicine , New Orleans, Louisiana
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Zhao D, Vellaichamy E, Somanna NK, Pandey KN. Guanylyl cyclase/natriuretic peptide receptor-A gene disruption causes increased adrenal angiotensin II and aldosterone levels. Am J Physiol Renal Physiol 2007; 293:F121-7. [PMID: 17389676 DOI: 10.1152/ajprenal.00478.2006] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Disruption of the guanylyl cyclase-A/natriuretic peptide receptor-A (GC-A/NPRA) gene leads to elevated arterial blood pressure and congestive heart failure in mice lacking NPRA. This study was aimed at determining whether Npr1 (coding for GC-A/NPRA) gene copy number affects adrenal ANG II and aldosterone (Aldo) levels in a gene-dose-dependent manner in Npr1 gene-targeted mice. Adrenal ANG II and Aldo levels increased in 1-copy mice compared with 2-copy mice, but decreased in 3-copy and 4-copy mice. In contrast, renal ANG II levels decreased in 1-copy (25%), 3-copy (38%), and 4-copy (39%) mice compared with 2-copy mice. The low-salt diet stimulated adrenal ANG II and Aldo levels in 1-copy (20 and 2,441%), 2-copy (15 and 2,339%), 3-copy (20 and 424%), and 4-copy (31 and 486%) mice, respectively. The high-salt diet suppressed adrenal ANG II and Aldo levels in 1-copy (46 and 29%) and 2-copy (38 and 17%) mice. On the other hand, the low-salt diet stimulated renal ANG II levels in 1-copy (45%), 2-copy (45%), 3-copy (59%), and 4-copy (48%) mice. However, the high-salt diet suppressed renal ANG II levels in 1-copy (28%) and 2-copy (27%) mice. In conclusion, NPRA signaling antagonizes adrenal ANG II and Aldo levels in a gene-dose dependent manner. Increased adrenal ANG II and Aldo levels may play an important role in elevated arterial blood pressure and progressive hypertension, leading to renal and vascular injury in Npr1 gene-disrupted mice.
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Affiliation(s)
- Di Zhao
- Dept. of Physiology, Tulane University Health Sciences Center, 1430 Tulane Ave., New Orleans, LA 70112, USA
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Peters B, Teubner P, Clausmeyer S, Puschner T, Maser-Gluth C, Wrede HJ, Kränzlin B, Peters J. StAR expression and the long-term aldosterone response to high-potassium diet in Wistar-Kyoto and spontaneously hypertensive rats. Am J Physiol Endocrinol Metab 2007; 292:E16-23. [PMID: 16882930 DOI: 10.1152/ajpendo.00454.2005] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
ANG II and potassium are known to increase steroidogenic acute regulatory protein (StAR) levels. However, a corresponding increase in StAR mRNA levels has so far been observed only in response to ANG II. We therefore studied the regulation of adrenal StAR mRNA expression in the context of dietary potassium-stimulated aldosterone production. Wistar-Kyoto rats (WKY) and spontaneously hypertensive rats (SHR) were fed a diet containing either 1 or 4% KCl for 5 days. The high-potassium diet increased StAR mRNA levels within the zona glomerulosa in both strains, as demonstrated by in situ hybridization. However, aldosterone production increased in WKY but not in SHR (WKY: from 22.8 +/- 4.8 to 137 +/- 25 ng/100 ml, P < 0.001, vs. SHR: from 29 +/- 3.8 to 51 +/- 10.2 ng/100 ml, not significant). This increase was associated with an increase in Cyp11b2 mRNA levels in WKY (3-fold; P < 0.001) but not in SHR. In both strains, the 4% KCl diet was associated with increased plasma renin-independent aldosterone production, as indicated by the marked increase of the aldosterone-to-renin ratios (from 1.4 +/- 0.3 to 9 +/- 3 in WKY and from 3 +/- 1 to 14 +/- 5 in SHR; P < 0.002). We conclude that an increase of StAR mRNA levels within the outer cortex is involved in the long-term adrenal response to potassium. This increase alone is not sufficient to increase aldosterone production in the presence of normal Cyp11b2 mRNA levels.
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Affiliation(s)
- Barbara Peters
- Dept. of Physiology, Univ. of Greifswald, Greifswalder Str. 11 C, 17495 Karlsburg, Germany.
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Spät A, Hunyady L. Control of aldosterone secretion: a model for convergence in cellular signaling pathways. Physiol Rev 2004; 84:489-539. [PMID: 15044681 DOI: 10.1152/physrev.00030.2003] [Citation(s) in RCA: 344] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Aldosterone secretion by glomerulosa cells is stimulated by angiotensin II (ANG II), extracellular K(+), corticotrophin, and several paracrine factors. Electrophysiological, fluorimetric, and molecular biological techniques have significantly clarified the molecular action of these stimuli. The steroidogenic effect of corticotrophin is mediated by adenylyl cyclase, whereas potassium activates voltage-operated Ca(2+) channels. ANG II, bound to AT(1) receptors, acts through the inositol 1,4,5-trisphosphate (IP(3))-Ca(2+)/calmodulin system. All three types of IP(3) receptors are coexpressed, rendering a complex control of Ca(2+) release possible. Ca(2+) release is followed by both capacitative and voltage-activated Ca(2+) influx. ANG II inhibits the background K(+) channel TASK and Na(+)-K(+)-ATPase, and the ensuing depolarization activates T-type (Ca(v)3.2) Ca(2+) channels. Activation of protein kinase C by diacylglycerol (DAG) inhibits aldosterone production, whereas the arachidonate released from DAG in ANG II-stimulated cells is converted by lipoxygenase to 12-hydroxyeicosatetraenoic acid, which may also induce Ca(2+) signaling. Feedback effects and cross-talk of signal-transducing pathways sensitize glomerulosa cells to low-intensity stimuli, such as physiological elevations of [K(+)] (< or =1 mM), ANG II, and ACTH. Ca(2+) signaling is also modified by cell swelling, as well as receptor desensitization, resensitization, and downregulation. Long-term regulation of glomerulosa cells involves cell growth and proliferation and induction of steroidogenic enzymes. Ca(2+), receptor, and nonreceptor tyrosine kinases and mitogen-activated kinases participate in these processes. Ca(2+)- and cAMP-dependent phosphorylation induce the transfer of the steroid precursor cholesterol from the cytoplasm to the inner mitochondrial membrane. Ca(2+) signaling, transferred into the mitochondria, stimulates the reduction of pyridine nucleotides.
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Affiliation(s)
- András Spät
- Dept. of Physiology, Semmelweis University, Faculty of Medicine, PO Box 259, H-1444 Budapest, Hungary.
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Stier CT, Koenig S, Lee DY, Chawla M, Frishman WH. Aldosterone and aldosterone antagonism in cardiovascular disease: focus on eplerenone (Inspra). HEART DISEASE (HAGERSTOWN, MD.) 2003; 5:102-18. [PMID: 12713678 DOI: 10.1097/01.hdx.0000061698.20666.aa] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Aldosterone has long been known to mediate water and electrolyte balance by acting on mineralocorticoid receptors in the kidneys. However, recent studies have demonstrated the presence of these receptors in nonclassical locations, including the brain, blood vessels, and the heart. This finding suggests that aldosterone may play a larger role than once appreciated in normal physiologic function and cardiovascular disease. Some of the adverse cardiovascular effects that have been described include cardiac and vascular fibrosis, left ventricular hypertrophy, congestive heart failure, hypertension, endothelial dysfunction, reduced fibrinolysis, and cardiac arrhythmias. In light of these findings, aldosterone receptor blockers have become increasingly more important. This is especially true considering the fact that traditional therapies, such as angiotensin-converting enzyme inhibitors and angiotensin II-receptor blockers, may not be effective in maintaining long-term suppression of aldosterone. Therefore, a great deal of focus has been placed on spironolactone, which has proven to be an effective, albeit nonselective, aldosterone receptor blocker. The Randomized Aldactone Evaluation Study has shown that spironolactone results in a 30% reduction in mortality among patients with severe congestive heart failure. Other studies have shown spironolactone to lower high blood pressure, improve endothelial dysfunction, reduce left ventricular hypertrophy, and lower the incidence of fatal arrhythmias. However, spironolactone, because of its interaction with other steroid receptors, is not without its limitations, which include gynecomastia, breast tenderness, menstrual irregularities, and impotence. As a result, eplerenone (INSPRA), a selective aldosterone blocker, is currently being investigated for its efficacy and side-effect profile compared with spironolactone. Eplerenone has already been approved for the treatment of systemic hypertension, and several clinical trials are currently underway to identify other therapeutic uses for this agent in cardiovascular disease management.
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Affiliation(s)
- Charles T Stier
- Department of Pharmacology, New York Medical College, Valhalla, NY 10595, USA.
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Lalouel JM, Rohrwasser A, Terreros D, Morgan T, Ward K. Angiotensinogen in essential hypertension: from genetics to nephrology. J Am Soc Nephrol 2001; 12:606-615. [PMID: 11181811 DOI: 10.1681/asn.v123606] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
There is general consensus that genetic variation accounts in part for individual susceptibilities to essential hypertension. In marked contrast to classic mendelian disorders, in which genetic alterations produce a gain or loss of function, genetic determinants of essential hypertension, high blood pressure of unknown cause, are expected to be small, achieving significance through the cumulative effects of environmental exposure over the course of a lifetime. Whether and how genetic factors that contribute to common diseases can be identified remain unclear. Research on a link between angiotensinogen and essential hypertension illustrates a path that began in genetics and is now leading toward nephrology. Various challenges encountered along the way may prove to be characteristic features of genetic investigations of the pathogenesis of common diseases. The implication of a gene by statistical analysis is only the beginning of a protracted process of functional analysis at increasing levels of biologic integration. The ultimate goal is to develop an understanding of the manner in which genetic variation at a locus can affect a physiologic parameter and to extract from this inference new knowledge of significance for the prevention or treatment of disease.
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Affiliation(s)
- Jean-Marc Lalouel
- Department of Human Genetics, University of Utah School of Medicine, Salt Lake City, Utah
- Howard Hughes Medical Institute, University of Utah School of Medicine, Salt Lake City, Utah
| | - Andreas Rohrwasser
- Department of Human Genetics, University of Utah School of Medicine, Salt Lake City, Utah
| | - Daniel Terreros
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah
- Department of Veterans Affairs, Salt Lake City, Utah
| | - Terry Morgan
- Department of Human Genetics, University of Utah School of Medicine, Salt Lake City, Utah
- Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah
| | - Kenneth Ward
- Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah
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Ganguly A. Aldosterone. Compr Physiol 2000. [DOI: 10.1002/cphy.cp070305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Kusaka Y, Kelly RA, Williams GH, Kifor I. Coronary microvascular endothelial cells cosecrete angiotensin II and endothelin-1 via a regulated pathway. Am J Physiol Heart Circ Physiol 2000; 279:H1087-96. [PMID: 10993771 DOI: 10.1152/ajpheart.2000.279.3.h1087] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Although endothelial cells produce angiotensin II (ANG II) and endothelin-1 (ET-1), it is not clear whether a single cell produces both peptides, with cosecretion in response to stimulation, or whether different subpopulations of endothelial cells secrete one or the other peptide, with secretion in response to different stimuli. Exposure of cultured coronary microvascular endothelial cells to cycloheximide for 60 min had no effect on ANG II or ET-1 secretion. This result suggested the existence of a preformed intracellular pool of ANG II and ET-1, which is a precondition for regulated secretion. Exposure of endothelial cells to isoproterenol, high extracellular potassium, or cadmium, all of which stimulate peptide secretion via different signaling pathways, significantly (P > 0.001) increased the secretion of both ANG II and ET-1 in a cell size-dependent manner. Sodium nitroprusside and S-nitroso-N-acetyl penicillamine significantly (P > 0.001) decreased ANG II and ET-1 secretion, whereas N(omega)-nitro-L-arginine-methyl ester enhanced it. The similar regulation of ANG II and ET-1 secretion and the presence of both peptides around individual endothelial cells indicate that the autocrine/paracrine regulation of cardiovascular function by endothelial cells is accomplished via cosecretion of ANG II and ET-1.
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Affiliation(s)
- Y Kusaka
- Division of Cardiology, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachuesetts 02115, USA
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Rohrwasser A, Morgan T, Dillon HF, Zhao L, Callaway CW, Hillas E, Zhang S, Cheng T, Inagami T, Ward K, Terreros DA, Lalouel JM. Elements of a paracrine tubular renin-angiotensin system along the entire nephron. Hypertension 1999; 34:1265-74. [PMID: 10601129 DOI: 10.1161/01.hyp.34.6.1265] [Citation(s) in RCA: 217] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The renin-angiotensin system is a major regulator of body sodium, predominantly through the actions of intrarenal angiotensin II of unclear origin. We show that polarized epithelium of the proximal tubule synthesizes and secretes angiotensinogen at its apical side and that the protein can be detected in urine as a function of dietary sodium. Furthermore, we demonstrate that renin is expressed and secreted in a restricted nephron segment, the connecting tubule, also in a sodium-dependent fashion. A paracrine renin-angiotensin system operating along the entire nephron may contribute to long-term arterial pressure regulation by integrating distant tubular sodium-reabsorbing functions.
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Affiliation(s)
- A Rohrwasser
- Department of Human Genetics, University of Utah School of Medicine, Salt Lake City, USA
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Rose MJ, Rose JM, M. Lunte S, Audus KL, Carlson RG, Stobaugh JF. Determination of angiotensin II in blood–brain barrier permeability studies using microbore LC with p-nitrophenyl-2,5-dihydroxyphenylacetate bis-tetrahydropyranyl ether as a pre-separation electrochemical labeling reagent. Anal Chim Acta 1999. [DOI: 10.1016/s0003-2670(99)00307-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Kifor I, Williams GH, Vickers MA, Sullivan MP, Jodbert P, Dluhy RG. Tissue angiotensin II as a modulator of erectile function. I. Angiotensin peptide content, secretion and effects in the corpus cavernosum. J Urol 1998. [PMID: 9112563 DOI: 10.1016/s0022-5347(01)64901-2] [Citation(s) in RCA: 120] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE Although Angiotensin II (Ang II) is a major modulator of regional blood flow in the extracavernosal segments of the vascular bed, its role in erectile function is unknown. The corpus cavernosum penis is a modified vascular tissue that contains endothelial and smooth muscle cells. In other segments of the vascular bed, these cell types produce Ang II. Therefore, we explored the presence and function of an Ang II producing paracrine system in the corpus cavernosum. METHODS The angiotensin content of the human corpus cavernosum was measured by radioimmunoassay. The distribution pattern of Ang II containing cells within the corpus cavernosum was assessed by an immunohistochemical technique, and the rate of its secretion was determined by superfusion. The effects of Ang II and its antagonist, losartan, on intracavernosal pressure were determined under in vivo conditions, in anesthetized dogs. RESULTS Human corpus cavernosum contained 1178 +/- 223 (SEM) fmol Ang II, 528 +/- 171 fmol Ang I, 475 +/- 67 fmol des-asp-Ang I, and 1897 +/- 371 fmol des-asp-Ang II/gm. tissue (n = 4). Ang II was found mainly in endothelial cells lining blood vessels and smooth muscle bundles within the corpus cavernosum. Superfused cavernosal tissue secreted immuno-reactive Ang II (Ang II(ir)) at a rate of 57 +/- 36.5 fmol Ang II(ir)/gm. tissue/minute (n = 10). The amount of Ang II released per gram of tissue in an hour was 3-fold greater than the Ang II content/gm. tissue, suggesting a local production of Ang II. Papaverine and prostaglandin E1 suppressed Ang II secretion significantly (p <0.001, p = 0.013). The responsiveness to inhibition was a function of the initial rate of Ang II secretion. Tissue samples with a high rate of secretion were less responsive to the inhibitors than tissue that secreted small amounts of Ang II (n = 6). In anesthetized dogs, intra-cavernosal injection of Ang II terminated spontaneous erections, while losartan increased the intracavernosal pressure in a dose dependent manner up to the mean arterial pressure (n = 4). CONCLUSIONS The corpus cavernosum produces and secretes physiologically relevant amounts of Ang II. The rate of Ang II secretion can be modulated by pharmacologic agents that regulate cytosolic calcium levels and are used clinically to treat erectile dysfunction. Intracavernosal injection of Ang II causes contraction of cavernosal smooth muscle and terminates spontaneous erection in anesthetized dog, while administration of an Ang II receptor antagonist results in smooth muscle relaxation and thus erection.
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Affiliation(s)
- I Kifor
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02115, USA
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Szalay KS, Beck M, Tóth M, de Châtel R. Interactions between ouabain, atrial natriuretic peptide, angiotensin-II and potassium: effects on rat zona glomerulosa aldosterone production. Life Sci 1998; 62:1845-52. [PMID: 9600326 DOI: 10.1016/s0024-3205(98)00150-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The effects of ouabain, atrial natriuretic peptide, angiotensin-II and potassium on aldosterone production by collagenase dispersed rat zona glomerulosa cells were studied. A-II and 10(-4) M ouabain-induced increases in aldosterone production was inhibited by 10(-9) M ANP at all potassium concentrations examined. 10(-4) M ouabain inhibited the A-II induced increase in aldosterone production at all potassium concentrations. The degree of this inhibition was smaller at higher potassium levels. Ouabain enhanced the inhibitory effect of ANP on A-II-induced aldosterone synthesis at all potassium concentrations. Interactions between A-II, ANP, ouabain and potassium may be of physiological significance in the regulation of aldosterone secretion.
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Affiliation(s)
- K S Szalay
- Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest.
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Ehrhart-Bornstein M, Hinson JP, Bornstein SR, Scherbaum WA, Vinson GP. Intraadrenal interactions in the regulation of adrenocortical steroidogenesis. Endocr Rev 1998; 19:101-43. [PMID: 9570034 DOI: 10.1210/edrv.19.2.0326] [Citation(s) in RCA: 341] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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