Research Topics
Genomes and Genes | M G ZieglerSummaryAffiliation: University of California Country: USA Publications
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Publications
Heritability and genome-wide linkage in US and australian twins identify novel genomic regions controlling chromogranin a: implications for secretion and blood pressureDANIEL T O'CONNOR
Departments of Medicine and Pharmacology and Center for Human Genetics and Genomics, University of California at San Diego School of Medicine, Veterans Affairs San Diego Healthcare System, La Jolla, CA 92093 0838, USA
Circulation 118:247-57. 2008..We approached catestatin heritability using twin pairs, coupled with genome-wide linkage, in a series of twin and sibling pairs from 2 continents...
Sleep disorders and the failure to lower nocturnal blood pressureMichael G Ziegler
University of California San Diego, 92103 8341, USA
Curr Opin Nephrol Hypertens 12:97-102. 2003..The failure to lower systolic blood pressure at night (called non-dipping) and sleep apnea are both associated with adverse cardiovascular outcomes. Sleep apnea is a common cause of non-dipping blood pressure...
Epinephrine and the metabolic syndromeMichael G Ziegler
UCSD Medical Center, San Diego, CA 92103 8341, USA
Curr Hypertens Rep 14:1-7. 2012..The hyperglycemic influence of epinephrine is short-lived. Chronic administration of epinephrine and other ?2 agonists improves cellular glucose uptake and metabolism. Overall, epinephrine counteracts the metabolic syndrome...
Endogenous epinephrine protects against obesity induced insulin resistanceMichael G Ziegler
Department of Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093 0838, United States
Auton Neurosci 162:32-4. 2011..Endogenous E protects against overfeeding induced diabetes. Since adrenal E release can be impaired with aging and diabetes, endogenous E may help prevent adult onset diabetes...
Antihypertensive therapy for patients with obstructive sleep apneaMichael G Ziegler
University of California San Diego, San Diego, California 92103 8341, USA
Curr Opin Nephrol Hypertens 20:50-5. 2011..Patients with obstructive sleep apnea (OSA) often have hypertension that is difficult to control. We review the causes of OSA hypertension and evidence supporting specific therapies...
Sources of human urinary epinephrineM G Ziegler
Department of Medicine, University of California San Diego, USA
Kidney Int 51:324-7. 1997..This is an important factor in the interpretation of urine E levels. Renal E could alter renal blood flow, electrolyte reabsorption, and renin release prior to excretion into urine...
Epinephrine regulation of hemodynamics in catecholamine knockouts and the pithed mousePing Sun
Department of Medicine, University of California at San Diego, San Diego, California 92103 8341, USA
Ann N Y Acad Sci 1148:325-30. 2008..These targeted KO mice displayed significantly smaller pressor responses than pithed control mice. We find that E release during stress prevents an excessive increase in blood pressure...
Effect of continuous positive airway pressure and placebo treatment on sympathetic nervous activity in patients with obstructive sleep apneaM G Ziegler
Department of Medicine, University of California San Diego, San Diego, CA 92103, USA
Chest 120:887-93. 2001..We studied the effect of continuous positive airway pressure (CPAP) treatment on sympathetic nervous activity in 38 patients with obstructive sleep apnea...
Location, development, control, and function of extraadrenal phenylethanolamine N-methyltransferaseMichael G Ziegler
University of California San Diego Medical Center, San Diego, California 92103, USA
Ann N Y Acad Sci 971:76-82. 2002..PNMT may also play a role in the regulation of fetal heart rate prior to development of the adrenal medulla...
Relationship of arousals from sleep to sympathetic nervous system activity and BP in obstructive sleep apneaJ S Loredo
Department of Medicine, University of California, San Diego, USA
Chest 116:655-9. 1999..Obstructive sleep apnea (OSA) patients have a high frequency of arousals. We hypothesized that arousals significantly influence tonic sympathetic nervous system function...
Overnight changes of immune parameters and catecholamines are associated with mood and stressWinfried Rief
Department of Psychiatry, University of California, San Diego, San Diego, California, USA
Psychosom Med 72:755-62. 2010..To test the hypothesis that a nocturnal decrease of secretion of inflammation markers and catecholamines would be associated with mood and stress variables even after controlling for objective sleep variables...
Catecholamine release-inhibitory peptide catestatin (chromogranin A(352-372)): naturally occurring amino acid variant Gly364Ser causes profound changes in human autonomic activity and alters risk for hypertensionFangwen Rao
Department of Medicine, University of California at San Diego, USA
Circulation 115:2271-81. 2007..We identified a natural nonsynonymous variant of catestatin, Gly364Ser, that alters human autonomic function and blood pressure...
Continuous positive airway pressure normalizes cardiac autonomic and hemodynamic responses to a laboratory stressor in apneic patientsR A Nelesen
Departments of Psychiatry, University of California San Diego, La Jolla, CA 92093 0804, USA
Chest 119:1092-101. 2001..Contractility and hemodynamics were determined with impedance cardiography, and parasympathetic activity was assessed by analysis of heart rate variability. Measures were determined at rest and in response to a stressor...
Vulnerable caregivers of patients with Alzheimer's disease have a deficit in circulating CD62L- T lymphocytesP J Mills
Department of Psychiatry, University of California, San Diego, USA
Psychosom Med 61:168-74. 1999..The objective of this study was to determine the effects of chronic stress on L-selectin expression on peripheral lymphocytes in elderly spousal caregivers of patients with Alzheimer's disease...
Functional allelic heterogeneity and pleiotropy of a repeat polymorphism in tyrosine hydroxylase: prediction of catecholamines and response to stress in twinsLian Zhang
Department of Medicine, University of California at San Diego, 92161, USA
Physiol Genomics 19:277-91. 2004....
Genetic regulation of catecholamine synthesis, storage and secretion in the spontaneously hypertensive ratM L Jirout
Department of Medicine, University of California, San Diego, La Jolla, CA 92037, USA
Hum Mol Genet 19:2567-80. 2010....
Ontogeny of epinephrine metabolic pathways in the rat: role of glucocorticoidsB Kennedy
Department of Medicine, University of California San Diego, Medical Center, 200 West Arbor Drive, 8341, San Diego, CA, USA
Int J Dev Neurosci 18:53-9. 2000..We conclude that expression of PNMT in all three tissues is glucocorticoid independent until the latter part of gestation when it is readily enhanced by glucocorticoids...
Sleep apnea, norepinephrine-release rate, and daytime hypertensionM G Ziegler
Department of Medicine, University of California-San Diego School of Medicine, USA
Sleep 20:224-31. 1997..These results suggest that apneics are susceptible to transient increases in sympathetic nervous activity and that hypertensive apneics maintain increased sympathetic nervous release of NE in the daytime...
Discovery of common human genetic variants of GTP cyclohydrolase 1 (GCH1) governing nitric oxide, autonomic activity, and cardiovascular riskLian Zhang
Department of Medicine, UCSD School of Medicine, San Diego, California 92093 0838, USA
J Clin Invest 117:2658-71. 2007....
Interactive effects of common beta2-adrenoceptor haplotypes and age on susceptibility to hypertension and receptor functionXuping Bao
Department of Medicine, University of California, San Diego, CA, USA
Hypertension 46:301-7. 2005..05) and decreased heart rate (7%; P<0.001). Our study suggests that age is an important modifier for the effects of ADRB2 polymorphisms on ADRB2 function and the development of hypertension...
Genetic covariance between gamma-glutamyl transpeptidase and fatty liver risk factors: role of beta2-adrenergic receptor genetic variation in twinsRohit Loomba
Department of Medicine, University of California at San Diego, La Jolla, California, USA
Gastroenterology 139:836-45, 845.e1. 2010..We estimated the heritability of GGT using a twin-study design and examined the genetic covariance between GGT levels, IR, hypertension, levels of low-density lipoproteins and triglycerides, and ADRB2 variants...
The effect of hypoxia on baroreflexes and pressor sensitivity in sleep apnea and hypertensionM G Ziegler
Department of Medicine, University of California at San Diego 92103-8341, USA
Sleep 18:859-65. 1995..Our studies suggest that apneics could have an exaggerated pressor sensitivity to norepinephrine. They might also have difficulty returning BP to normal levels, because hypoxia impaired baroreflexes...
Obstructive sleep apnea and hypertension: are peripheral chemoreceptors involved?J S Loredo
Department of Medicine, University of California, San Diego, California, USA
Med Hypotheses 56:17-9. 2001..This implies that correcting the intermittent nocturnal hypoxemia alone may prevent the cardiovascular morbidity associated with obstructive sleep apnea...
Altered cardiac contractility in sleep apneaR A Nelesen
Department of Psychiatry, University of California, San Diego, USA
Sleep 19:139-44. 1996..The downregulation of cardiac beta-adrenergic receptor activity may explain the inability of people with sleep apnea to respond with appropriate cardiac contractility to a mild perturbation...
Combination of caregiving stress and hormone replacement therapy is associated with prolonged platelet activation to acute stress among postmenopausal womenKirstin Aschbacher
Department of Psychiatry, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093 0680, USA
Psychosom Med 69:910-7. 2007..Both HRT and the chronic stress of caregiving have been associated with increased cardiovascular risk, potentially through a mechanism of platelet hyperactivity...
Hypertension from targeted ablation of chromogranin A can be rescued by the human orthologNitish R Mahapatra
Department of Medicine, UCSD, San Diego, CA, USA
J Clin Invest 115:1942-52. 2005..Loss of the physiological "brake" catestatin in Chga mice coupled with dysregulation of transmitter storage and release may act in concert to alter autonomic control of the circulation in vivo, eventuating in hypertension...
Natural variation within the neuronal nicotinic acetylcholine receptor cluster on human chromosome 15q24: influence on heritable autonomic traits in twin pairsBrinda K Rana
Departments of Psychiatry, University of California at San Diego, La Jolla, California 92093 0657, USA
J Pharmacol Exp Ther 331:419-28. 2009..These cellular events suggest a homeostatic mechanism underlying the pleiotropic actions of CHRNA3 genetic variation on autonomic function observed in twins...
What do plasma and urinary measures of catecholamines tell us about human response to stressors?J E Dimsdale
Department of Psychiatry, University of California San Diego, La Jolla
Circulation 83:II36-42. 1991..In response to stressors, diastolic blood pressure is better predicted by plasma levels of renin than of norepinephrine...
Interleukin-6 and tumor necrosis factor-alpha production after acute psychological stress, exercise, and infused isoproterenol: differential effects and pathwaysM U Goebel
Department of Psychiatry, University of California, San Diego, La Jolla, USA
Psychosom Med 62:591-8. 2000....
Does caffeine confound relationships among adrenergic tone, blood pressure and sleep apnoea?W A Bardwell
Department of Psychiatry, University of California at San Diego, La Jolla, California 92093 0804, USA
J Sleep Res 9:269-72. 2000..While caffeine partially explains the increased adrenergic tone in patients with OSA and the relationship between BP and NE, it does not appear to contribute significantly to the relationship between OSA and elevated BP...
Heredity and the autonomic nervous system in human hypertensionD T O'Connor
Departments of Medicine and Pharmacology and Center for Molecular Genetics, University of California, San Diego, and VA San Diego Healthcare System, 3350 La Jolla Village Drive, San Diego, CA 92161, USA
Curr Hypertens Rep 2:16-22. 2000..Such biochemical, physiologic, or pharmacologic autonomic traits may be especially valuable as phenotypic anchor points in linkage or association studies probing the genetic basis of human hypertension...
Elevated S-adenosylhomocysteine in Alzheimer brain: influence on methyltransferases and cognitive functionB P Kennedy
Department of Medicine, University of California, San Diego Medical Center, San Diego, CA 92103 8341, USA
J Neural Transm 111:547-67. 2004..326), levels of synaptophysin (r=0.506), and negatively with tangles (r=-0.216 P=0.039). Elevated SAH in Alzheimer brain inhibits methyltransferases and is related to markers of disease progression and cognitive impairment...
The effect of sleep apnea on plasma and urinary catecholaminesJ E Dimsdale
Department of Psychiatry, University of California, San Diego, La Jolla 92093-0804, USA
Sleep 18:377-81. 1995..Plasma norepinephrine levels were not significantly elevated in apneic patients but were elevated in hypertensive patients both during sleep and in the morning (p < 0.05)...
Human autonomic activity and its response to acute oxygen supplement after high altitude acclimatizationXuping Bao
Division of Nephrology, Department of Medicine, University of California, San Diego, 200 W. Arbor Drive, San Diego, CA 92103-8341, USA
Auton Neurosci 102:54-9. 2002..Acute oxygen replacement rapidly counteracted the parasympathetic, but not sympathetic hyperactivity that occurs at high altitude...
Tyrosine hydroxylase, the rate-limiting enzyme in catecholamine biosynthesis: discovery of common human genetic variants governing transcription, autonomic activity, and blood pressure in vivoFangwen Rao
Department of Medicine, University of California at San Diego, San Diego, Calif, USA
Circulation 116:993-1006. 2007....
Role of the autonomic nervous system in the reduced maximal cardiac output at altitudeHarm J Bogaard
Division of Physiology, Department of Medicine, University of California, San Diego, La Jolla 92093, USA
J Appl Physiol 93:271-9. 2002..Therefore, this study suggests that, whereas the ANS may affect HR at altitude, peak QT is unaffected by ANS blockade. We conclude that the effect of altered ANS function on HR is not the cause of the reduced maximal QT at altitude...
Naturally occurring human genetic variation in the 3'-untranslated region of the secretory protein chromogranin A is associated with autonomic blood pressure regulation and hypertension in a sex-dependent fashionYuqing Chen
Department of Medicine, Center for Human Genetics and Genomics, University of California at San Diego, San Diego, California 92093, USA
J Am Coll Cardiol 52:1468-81. 2008..We aimed to determine whether the common variation at the chromogranin A (CHGA) locus increases susceptibility to hypertension...
Reduction of adrenal and kidney epinephrine and phenylethanolamine N-methyltransferase in AP-2 knockout mouse fetusesBrian Kennedy
Department of Medicine, University of California San Diego Medical Center, 200 West Arbor Drive, San Diego, California 92103-8341, USA
Ann N Y Acad Sci 971:92-4. 2002
Ultradian rhythms of autonomic, cardiovascular, and neuroendocrine systems are related in humansD S Shannahoff-Khalsa
Department of Medicine, University of California, San Diego 92103 8341, USA
Am J Physiol 270:R873-87. 1996..87% of the comparisons (subject range, 18.05-48-9.70%) with r > 0.30. These results suggest that either a common oscillator (the hypothalamus) or mutually entrained oscillators regulate these systems...
Nonselective beta blockade attenuates the recruitment of CD62L(-)T lymphocytes following exerciseP J Mills
Department of Psychiatry, University of California, San Diego, USA
Eur J Appl Physiol Occup Physiol 79:531-4. 1999....
Leptin is related to epinephrine levels but not reproductive hormone levels in cycling African-American and Caucasian womenP J Mills
UCSD Medical Center, University of California, San Diego 92093, USA
Life Sci 63:617-23. 1998..38, p=0.01). No such relationship was observed in men. The findings indicate that in women leptin levels are not associated with cyclic changes in estrogen or progesterone but may be associated with catecholamine levels...
Relationship of insulin, race, and hypertension with hemodynamic reactivity to a behavioral challengeR A Nelesen
Department of Psychiatry, University of California, San Diego, La Jolla 92093-0804, USA
Am J Hypertens 8:12-9. 1995..On the other hand, insulin level interacted with blood pressure level and race on the underlying hemodynamics controlling blood pressure, namely total peripheral resistance and stroke volume.(ABSTRACT TRUNCATED AT 250 WORDS)..
Human dopamine beta-hydroxylase (DBH) regulatory polymorphism that influences enzymatic activity, autonomic function, and blood pressureYuqing Chen
Department of Medicine, University of California at San Diego, La Jolla, California 92093 0838, USA
J Hypertens 28:76-86. 2010..Here we systematically investigated DBH polymorphisms associated with enzymatic activity as well as autonomic and blood pressure (BP)/disease phenotypes in vivo...
Ethnicity, perceived discrimination, and vascular reactivity to phenylephrineKaMala S Thomas
San Diego State University and University of California, San Diego Joint Doctoral Program in Clinical Psychology, San Diego, California, USA
Psychosom Med 68:692-7. 2006..Individuals who perceived more discrimination had a larger increase in diastolic blood pressure in response to PE. CONCLUSION: These data suggest perceived discrimination is associated with increased blood pressure responsiveness to PE...
Rho kinase polymorphism influences blood pressure and systemic vascular resistance in human twins: role of heredityTammy M Seasholtz
Department of Pharmacology, University of California, San Diego, CA, USA
Hypertension 47:937-47. 2006....
Personal mastery is associated with reduced sympathetic arousal in stressed Alzheimer caregiversSusan K Roepke
Department of Psychiatry, University of California at San Diego, La Jolla, CA 92093 0680, USA
Am J Geriatr Psychiatry 16:310-7. 2008..This study examines the relationship between mastery and sympathetic arousal in elderly caregivers, as measured by norepinephrine (NE) reactivity to an acute psychological stressor...
Heredity of endothelin secretion: human twin studies reveal the influence of polymorphism at the chromogranin A locus, a novel determinant of endothelial functionElizabeth O Lillie
Department of Medicine, University of California at San Diego, USA
Circulation 115:2282-91. 2007..CHGA, a candidate gene for intermediate phenotypes that contribute to hypertension, shows a pattern of single nucleotide polymorphism variations that alter the expression and function of this gene both in vivo and in vitro...
Blood pressure variability in obstructive sleep apnea: role of sympathetic nervous activity and effect of continuous positive airway pressureXuping Bao
Department of Medicine, University of California San Diego, 92103-8341, USA
Blood Press Monit 7:301-7. 2002..Sympathetic nervous activity, as inferred from daytime urine NE, is related to changes in BP variability in OSA patients. BP variability is not specifically affected by CPAP...
Effects of depressive and anxious symptoms on norepinephrine and platelet P-selectin responses to acute psychological stress among elderly caregiversKirstin Aschbacher
Department of Psychiatry, University of California, San Diego, 9500 Gilman Drive, La Jolla CA 92093 0680, USA
Brain Behav Immun 22:493-502. 2008....
A truncated mouse phenylethanolamine N-methyltransferase splice variant with dominant-negative activityXuping Bao
Department of Medicine, University of California, San Diego, California 92103-8341, USA
Ann N Y Acad Sci 971:89-91. 2002
Persistent versus transient depressive symptoms in relation to platelet hyperactivation: a longitudinal analysis of dementia caregiversKirstin Aschbacher
Department of Psychiatry, University of California, San Diego, USA
J Affect Disord 116:80-7. 2009..The primary objective was to investigate whether persistent depressive symptoms would relate to elevated platelet activation in response to acute psychological stress over a three-year period...
Renal albumin excretion: twin studies identify influences of heredity, environment, and adrenergic pathway polymorphismFangwen Rao
Department of Medicine, Center for Human Genetics and Genomics, University of California at San Diego, La Jolla, CA 92093 0838, USA
Hypertension 49:1015-31. 2007..Such functional links between adrenergic activity and glomerular injury suggest novel approaches to its prediction, prevention, diagnosis, and treatment...
Selective peripheral regulation of noradrenaline and adrenaline release by nitric oxideHamzeh H Elayan
UCSD Medical Center, San Diego, California 92103-8341, USA
Clin Exp Pharmacol Physiol 29:589-94. 2002..Stimulation of alpha(1)-adrenoceptors plays a major role in the pressor response to electrical stimulation of L-NAME-treated rats, but this is not due to L-NAME augmentation of noradrenaline release from vascular sympathetic nerves...
Population-based sample reveals gene-gender interactions in blood pressure in White AmericansBrinda K Rana
Department of Psychiatry, University of California at San Diego, La Jolla, CA 92093, USA
Hypertension 49:96-106. 2007..Such genetic variants may define genetically and etiologically distinct subgroups of men and women with essential hypertension and may have implications for rational treatment selection...
Ischemia- and agonist-induced changes in alpha- and beta-adrenergic receptor traffic in guinea pig heartsA S Maisel
Department of Medicine, University of California, San Diego
Am J Physiol 253:H1159-66. 1987..These results indicate that alpha 1- and beta-adrenergic receptors may undergo a different cellular itinerary in guinea pig myocardium.(ABSTRACT TRUNCATED AT 250 WORDS)..
Contributions of the sympathetic nervous system, glutathione, body mass and gender to blood pressure increase with normal aging: influence of heredityB P Kennedy
Department of Medicine and Center for Molecular Genetics, University of California at San Diego, CA 92093-0838, USA
J Hum Hypertens 19:951-69. 2005..Substantial h(2) for plasma GSH, NE, and urine NE suggests that such traits may be useful 'intermediate phenotypes' in the search for genetic determinants of BP...
Catecholamines in human salivaB Kennedy
Department of Medicine, University of California, San Diego Medical Center, 92103, USA
Life Sci 69:87-99. 2001..The finding that diffusion of blood NE into saliva takes roughly 1 hour to complete suggests that NE in saliva is a poor index of acute changes in sympathetic activity...
Factitious pheochromocytoma: novel mimickry by Valsalva maneuver and clues to diagnosisM T Kailasam
Department of Medicine, University of California, San Diego 92161, USA
Am J Hypertens 8:651-5. 1995..We reproduced, in part, the hemodynamic and biochemical manifestations of this presentation with Valsalva maneuver in healthy subjects...
Impedance cardiography-derived hemodynamic responses during baroreceptor testing with amyl nitrite and phenylephrine: a validity and reliability studyR A Nelesen
Department of Psychiatry, University of California, San Diego 92093 0804, USA
Psychophysiology 36:105-8. 1999..The pharmacological interventions demonstrated that IC measures followed the course predicted by the actions of the drugs. Change in PEP and dZ/dt reflected increased contractility. The BR sensitivity was also reproducible...
Peripheral blood mononuclear cell-endothelial adhesion in human hypertension following exerciseP J Mills
Department of Psychiatry, University of California, San Diego 92103 0804, USA
J Hypertens 18:1801-6. 2000..To determine the effects of hypertension and exercise on interleukin-6 (IL-6) levels and mononuclear cell adhesion to endothelial cells...
The effects of ethnic discrimination and socioeconomic status on endothelin-1 among blacks and whitesDenise C Cooper
Department of Psychiatry, University of California, San Diego, California, USA
Am J Hypertens 22:698-704. 2009..Stress is associated with increased endothelin-1 (ET-1). This study examined the relationship of ET-1 to socioeconomic status (SES) and to perceived ethnic discrimination among black (n = 51) and white (n = 65) adults (mean age 36.5)...
Association between chronic caregiving stress and impaired endothelial function in the elderlyBrent T Mausbach
Department of Psychiatry, University of California San Diego, La Jolla, California 92093 0680, USA
J Am Coll Cardiol 55:2599-606. 2010..We examined the relationship between chronic caregiving stress and endothelial function...
Epinephrine is required for normal cardiovascular responses to stress in the phenylethanolamine N-methyltransferase knockout mouseXuping Bao
Department of Medicine, University of California San Diego, USA
Circulation 116:1024-31. 2007..Epinephrine (EPI) is an important neurotransmitter and hormone. Its role in regulating cardiovascular function at rest and with stress is unclear, however...
The potential anti-inflammatory benefits of improving physical fitness in hypertensionKate M Edwards
Department of Psychiatry, UCSD Medical Center, University of California, San Diego, La Jolla, California 92093 0804, USA
J Hypertens 25:1533-42. 2007..Here, exercise is promoted as a potentially effective treatment for both the elevated blood pressure and chronic inflammation found in hypertension...
Inflammation and sleep in healthy individualsPaul J Mills
Department of Psychiatry, University of California San Diego, School of Medicine, La Jolla, CA, USA
Sleep 30:729-35. 2007..Inflammation is relatively common in individuals with a sleep disorder and is associated with quality of sleep. The purpose of this study was to examine whether inflammation is associated with quality of sleep in healthy individuals...
Early decline in the catecholamine release-inhibitory peptide catestatin in humans at genetic risk of hypertensionDANIEL T O'CONNOR
Department of Medicine and Center for Molecular Genetics, University of California and V A San Diego Healthcare System, San Diego, California, USA
J Hypertens 20:1335-45. 2002....
Adrenergic polymorphism and the human stress responseFangwen Rao
Department of Medicine, University of California at San Diego, La Jolla, California 92093 0838, USA
Ann N Y Acad Sci 1148:282-96. 2008..The results suggest novel pathophysiological links between a key adrenergic locus, catecholamine metabolism, and blood pressure, and suggest new strategies to approach the mechanism, diagnosis, and treatment of systemic hypertension...
Impaired chronotropic response to exercise in mice lacking catecholamines in adrenergic cellsXuping Bao
Department of Medicine, University of California San Diego, San Diego, California 92103 8341, USA
Ann N Y Acad Sci 1148:297-301. 2008..Thus, our data suggest that adrenergic CA is required for normal chronotropic responses to stress, but not required for prenatal and postnatal development or normal cardiovascular function at rest...
Endothelial function: the impact of objective and subjective socioeconomic status on flow-mediated dilationDenise C Cooper
Department of Psychiatry, University of California San Diego, La Jolla, CA 92093 0804, USA
Ann Behav Med 39:222-31. 2010..Although objective and subjective indicators of socioeconomic status (SES) are linked to cardiovascular disease (CVD), little is known about their relationship to endothelial dysfunction, which often precedes CVD...
Adverse impact of mood on flow-mediated dilationDenise C Cooper
Department of Psychiatry, University of California, San Diego, La Jolla, CA 92093 0804, USA
Psychosom Med 72:122-7. 2010..Substantial literature indicates that negative mood is linked to cardiovascular disease (CVD). However, the mechanisms underlying this relationship are not well defined. CVD is often preceded by dysfunction of the endothelium...
A comparison of pharmacologic and spontaneous baroreflex methods in aging and hypertensionMilos Milic
Department of Medicine, University of California at San Diego, San Diego, California 92103 8341, USA
J Hypertens 27:1243-51. 2009..We also examined whether heart rate variability (HRV) provides as much information as does BRS...
Sleep and health-related quality of life in heart failurePaul J Mills
Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
Congest Heart Fail 15:228-33. 2009..01) (model adjusted R(2)=.732; P<.001). Findings provide evidence that in addition to functional status and ongoing fatigue, poorer quality of life in HF is independently related to the severity of sleep-disordered breathing...
Racial differences in the impact of social support on nocturnal blood pressureDenise C Cooper
Department of Psychiatry, University of California San Diego, 9500 Gilman Dr, 0804, La Jolla, CA 92093 0804, USA
Psychosom Med 71:524-31. 2009..To investigate whether black and white adults benefit similarly from perceived social support in relation to blood pressure (BP) dipping during sleep...
Chromogranin A regulates renal function by triggering Weibel-Palade body exocytosisYuqing Chen
Department of Medicine, University of California at San Diego, La Jolla, CA 92093 0838, USA
J Am Soc Nephrol 20:1623-32. 2009..In patients with progressive hypertensive renal disease, a CHGA haplotype predicted rate of GFR decline. In conclusion, these data suggest that CHGA acts through the glomerular endothelium to regulate renal function...
The roles of TNF-alpha and the soluble TNF receptor I on sleep architecture in OSAHerbert J Yue
Department of Medicine, University of California, San Diego School of Medicine, La Jolla, CA, USA
Sleep Breath 13:263-9. 2009..We hypothesized that the TNF receptor might play an important role in the inflammation as well as sleep architecture changes in patients with OSA...
Job strain, ethnicity, and sympathetic nervous system activityKaMala S Thomas
San Diego State University, CA, USA
Hypertension 44:891-6. 2004..These findings suggest possible mechanisms by which job strain may be associated with cardiovascular disease...
Vulnerable caregivers of Alzheimer disease patients have a deficit in beta 2-adrenergic receptor sensitivity and densityPaul J Mills
Department of Psychiatry, University of California San Diego, 92103 0804, USA
Am J Geriatr Psychiatry 12:281-6. 2004..The authors examined the effects of being a spousal caregiver of a patient with Alzheimer disease (AD) on the lymphocyte beta(2)-adrenergic receptor...
Hormone replacement therapy increases renal kallikrein excretion in healthy postmenopausal womenNoha H Farag
Department of Psychiatry, UCSD Medical Center, University of California, 200 West Arbor Drive, CTF A, 415, San Diego, La Jolla, CA 92103 0804, USA
Life Sci 72:1279-88. 2003....
Effects of regular exercise on lymphocyte subsets and CD62L after psychological vs. physical stressSuzi Hong
Department of Psychiatry, University of California, 9500 Gilman Drive, La Jolla, San Diego, CA, USA
J Psychosom Res 56:363-70. 2004..To examine the effects of regular physical activity on lymphocyte responses to a speech stressor and an exercise challenge...
Immune cell CD62L and CD11a expression in response to a psychological stressor in human hypertensionPaul J Mills
Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
Brain Behav Immun 17:260-7. 2003..Exposure to repeated psychological stressors may further augment this potentially adverse circulatory environment...
Relationship of systolic blood pressure with plasma homocysteine: importance of smoking statusBrian P Kennedy
Department of Medicine, University of California, San Diego Medical Center, California 92103 8341, USA
J Hypertens 21:1307-12. 2003..Elevated plasma homocysteine is a risk factor for cardiovascular disease. Elevations in plasma homocysteine occur in both smokers and hypertensives, but the combined effect of smoking and hypertension on homocysteine is unknown...
The catecholamine release-inhibitory "catestatin" region of chromogranin a: early decline in humans at genetic risk of hypertensionMala T Kailasam
Department of Medicine and Center for Molecular Genetics, University of California, and VA San Diego Healthcare System, San Diego, California 92037, USA
Ann N Y Acad Sci 971:533-5. 2002
Effects of nasal continuous positive airway pressure and oxygen supplementation on norepinephrine kinetics and cardiovascular responses in obstructive sleep apneaPaul J Mills
Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
J Appl Physiol 100:343-8. 2006..01). The findings indicate that one of the mechanisms through which CPAP reduces NE levels is through an increase in the clearance of NE from the circulation...
Catecholamine secretory vesicle stimulus-transcription coupling in vivo. Demonstration by a novel transgenic promoter/photoprotein reporter and inhibition of secretion and transcription by the chromogranin A fragment catestatinSushil K Mahata
Department of Medicine and Center for Molecular Genetics, University of California, and Veterans Affairs San Diego Healthcare System, San Diego, California 92161, USA
J Biol Chem 278:32058-67. 2003..Catestatin itself blocks stimulation of both secretion and transcription in vivo. Thus, chromogranin A and its catestatin fragment may lie at the nexus of nicotinic cholinergic signaling in vivo...
Physical fitness attenuates leukocyte-endothelial adhesion in response to acute exercisePaul J Mills
Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
J Appl Physiol 101:785-8. 2006..The findings provide evidence of how physical fitness might protect individuals from inflammatory responses to exercise...
Beta-adrenergic or parasympathetic inhibition, heart rate and cardiac output during normoxic and acute hypoxic exercise in humansSusan R Hopkins
Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
J Physiol 550:605-16. 2003..It may be that cardiac alpha receptors play a primary role in elevating HR and Qt during hypoxic exercise, or perhaps offer an alternative mechanism when other ANS pathways are blocked...
The effects of spaceflight on adrenergic receptors and agonists and cell adhesion molecule expressionPaul J Mills
Department of Psychiatry and Medicine, University of California, San Diego, La Jolla, CA 92103, USA
J Neuroimmunol 132:173-9. 2002..05). The data suggest that spaceflight leads to an environment that would support reduced leukocyte-endothelial adhesion. Sympathetic activation may contribute to this phenomenon...
Sleep disturbance, norepinephrine, and D-dimer are all related in elderly caregivers of people with Alzheimer diseaseBrent T Mausbach
Department of Psychiatry, University of California, San Diego, CA 92093 0682, USA
Sleep 29:1347-52. 2006..In this study, we examined if sleep disturbance of elderly caregivers was associated with physiologic markers of cardiovascular risk, including plasma norepinephrine, epinephrine, and the hemostasis marker D-dimer...
Depressive symptoms predict norepinephrine response to a psychological stressor task in Alzheimer's caregiversBrent T Mausbach
Department of Psychiatry, University of California at San Diego, La Jolla, CA 92093 0680, USA
Psychosom Med 67:638-42. 2005..The current study examined the relations between the level of depressive symptoms in spousal caregivers and the physiological response to a psychological stress task...
Effects of continuous positive airway pressure versus supplemental oxygen on 24-hour ambulatory blood pressureDaniel Norman
Department of Medicine, School of Medicine, University of California, San Diego, CA, USA
Hypertension 47:840-5. 2006..We conclude that CPAP therapy reduces both daytime and nighttime blood pressure in patients with OSA, perhaps through mechanisms other than improvement of nocturnal oxyhemoglobin saturation...
Hypertensives' pressor response to norepinephrine. Analysis by infusion rate and plasma levelsM G Ziegler
Department of Medicine, University of California, San Diego
Am J Hypertens 4:586-91. 1991..Analysis of pressor responses to plasma NE levels demonstrated that the hypertensives had an exaggerated pressor response to NE...
Peripheral leukocyte subpopulations and catecholamine levels in astronauts as a function of mission durationP J Mills
Department of Psychiatry, University of California, San Diego, La Jolla, CA 92103 0804, USA
Psychosom Med 63:886-90. 2001..The objective of this study was to determine the effects of spaceflight duration on immune cells and their relationship to catecholamine levels...
Common genetic variants in the chromogranin A promoter alter autonomic activity and blood pressureY Chen
Department of Medicine, Center for Human Genetics and Genomics, University of California at San Diego, San Diego, California 92093 0838, USA
Kidney Int 74:115-25. 2008..Our results suggest that common genetic variants in the CHGA promoter may regulate heritable changes in blood pressure...
Early and persistent alterations in prefrontal cortex MAO A and B in Alzheimer's diseaseB P Kennedy
Department of Medicine, University of California, San Diego Medical Center, San Diego, CA 92103, USA
J Neural Transm 110:789-801. 2003..We conclude that the changes in MAO A and B in the prefrontal cortex occur very early in Alzheimer's disease and remain relatively constant as the disease progresses...
Catecholamine storage vesicle protein expression in genetic hypertensionD T O'Connor
Department of Medicine, Center for Molecular Genetics, University of California, V A San Diego Healthcare System, USA
Blood Press 8:285-95. 1999..In one rodent model (the SHR), over-expression of chromogranin A is largely controlled by a single genetic locus, but the chromogranin A locus itself is not directly linked to determination of the blood pressure elevation of the SHR...
Midodrine prescribed to improve recurrent post-spaceflight orthostatic hypotensionSteven H Platts
NASA JSC
Aviat Space Environ Med 75:554-6. 2004..This is the first report showing that midodrine has the potential to improve post-spaceflight orthostatic hypotension and suggesting that reduced venous return contributes to the etiology...
Does obstructive sleep apnea increase hematocrit?Jong Bae Choi
Department of Neuropsychiatry, Kyunggi Provincial Hospital for the Elderly, Kyunggi-do, South Korea
Sleep Breath 10:155-60. 2006..05). The severity of OSA is significantly associated with increased hematocrit, even after controlling for possible confounding variables. However, nocturnal hypoxemia in OSA does not usually lead to clinical polycythemia...
Attenuation of T-lymphocyte demargination and adhesion molecule expression in response to moderate exercise in physically fit individualsSuzi Hong
Department of Psychiatry, University of California, 9500 Gilman Dr, La Jolla, CA 92093 0804, USA
J Appl Physiol 98:1057-63. 2005..Being physically fit may offset exaggerated immune cell responses to stress...
