Results 51 to 60 of about 184,374 (299)

Constrictor responses of cerebral resistance arterioles in male and female rats exposed to prenatal alcohol

Physiological Reports, 2021
While it is known that dilation of cerebral arterioles to NOS‐dependent agonists is impaired in rats exposed to prenatal alcohol, no studies have examined the influence of prenatal alcohol on constrictor response of cerebral arterioles.
Partha S. Saha, Tiffany M. Knecht, Denise M. Arrick, Michael J. Watt, Jamie L. Scholl, William G. Mayhan   +5 more
doaj   +1 more source

Renal pericytes: regulators of medullary blood flow [PDF]

, 2012
Regulation of medullary blood flow (MBF) is essential in maintaining normal kidney function. Blood flow to the medulla is supplied by the descending vasa recta (DVR), which arise from the efferent arterioles of juxtamedullary glomeruli.
Agmon Y., Beach R.E., Biondi M., Burnstock G., Casellas D., Cohen H.J., Edwards R.M., Guan Z., Harrison‐Bernard L.M., Harrison‐Bernard L.M., Jamison R.L., Kreisberg M.S., Kriz W., Larson T.S., Lazarowski E.R., Lerman L.O., Majid D.S., Pallone T.L., Rouget C., Seldin D.W., Stern M.D., Strick D.M., Takenaka T., Takezawa K., Turner M.R., Unwin R.J., Yamagishi S., Yang S.   +27 more
core   +1 more source

A Depolarizing Leak in Sodium Bicarbonate Cotransporter NBCe1 Causes Brain Edema

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objectives SLC4A4 encodes electrogenic sodium bicarbonate cotransporter NBCe1, prominently expressed in kidney and brain. Recessive loss‐of‐function variants in SLC4A4 cause proximal renal tubular acidosis, no brain edema. In the brain, NBCe1 is expressed by astrocytes, where it regulates pH and mediates astrocyte volume changes.
Quinty Bisseling, Mark D. Parker, Sven Kerst, Richard A. Pasternack, Jacob Tondreau, Marjolein Breur, Gemma M. van Rooijen‐van Leeuwen, Davide Tonduti, Ettore Salsano, Alejandra Darling, Joanna A. E. van Wijk, Susanna Törnroth‐Horsefield, Marianna Bugiani, Petra J. W. Pouwels, Quinten Waisfisz, Marjo S. van der Knaap, Rogier Min   +16 more
wiley   +1 more source

Vasoconstriction Response to Mental Stress in Sickle Cell Disease: The Role of the Cardiac and Vascular Baroreflexes

Frontiers in Physiology, 2021
Recent studies have shown that individuals with sickle cell disease (SCD) exhibit greater vasoconstriction responses to physical autonomic stressors, such as heat pain and cold pain than normal individuals, but this is not the case for mental stress (MTS)
Wanwara Thuptimdang, Payal Shah, Maha Khaleel, John Sunwoo, Saranya Veluswamy, Roberta M. Kato, Thomas D. Coates, Michael C. K. Khoo   +7 more
doaj   +1 more source

Reversible cerebral vasoconstriction syndrome

Journal of the Royal College of Physicians of Edinburgh, 2013
Reversible cerebral vasoconstriction syndrome (RCVS) is an underdiagnosed condition which usually presents as severe headache with or without neurological deficit. We report the case of a 55-year-old woman who presented with headache and multifocal intracerebral haemorrhage.
R, Lee, H, Ramadan, J, Bamford
openaire   +4 more sources

Multidisciplinary Consideration of Potential Pathophysiologic Mechanisms of Paradoxical Erythema with Topical Brimonidine Therapy. [PDF]

, 2016
Rosacea is a chronic inflammatory disease with transient and non-transient redness as key characteristics. Brimonidine is a selective α2-adrenergic receptor (AR) agonist approved for persistent facial erythema of rosacea based on significant efficacy and
Detmar, Michael, Di Nardo, Anna, Docherty, James R, Holmes, Anna, Lorton, Dianne, Schäfer, Gregor, Steinhoff, Martin   +6 more
core   +2 more sources

Recurrent Hypothermia and Autonomic Dysfunction Secondary to Shapiro Syndrome

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT A 44‐year‐old man presented with recurrent hypothermia, diaphoresis and hypertension. Extensive investigation for infectious, inflammatory, metabolic and endocrine aetiologies was negative. MR scan of the brain demonstrated no lesions but revealed callosal dysgenesis, consistent with Shapiro syndrome.
Naveen Kumar, Jeremy Johnson, Susanne Watkins, Eoin Mulroy   +3 more
wiley   +1 more source

Reversible Cerebral Vasoconstriction Syndrome Presenting as Transient Vessel Wall Enhancement on Contrast-Enhanced Fluid-Attenuated Inversion Recovery Images: A Case Report and Literature Review

대한영상의학회지, 2020
Reversible cerebral vasoconstriction syndrome (RCVS) is a clinical and radiological syndrome with primary features that include hyperacute onset of severe headache and segmental vasoconstriction of the cerebral arteries, which resolve within 3 months ...
Sun Ah Heo, Eun Soo Kim, Yul Lee
doaj   +1 more source

CFTR deficiency aggravates Ang II induced vasoconstriction and hypertension by regulating Ca𝟐+ influx and RhoA/Rock pathway in VSMCs

Frontiers in Bioscience-Landmark, 2021
Background: Cystic fibrosis transmembrane conductance regulator (CFTR) has been associated with vascular tone and blood pressure (BP), however, its role in the genesis of hypertension remains elusive.
Liyan Zhao, Feng Yuan, Ni Pan, Yun Yu, Hanyan Yang, Yaosheng Liu, Ruomei Wang, Bin Zhang, Guanlei Wang   +8 more
doaj   +1 more source

Reversible cerebral vasoconstriction syndrome [PDF]

Revista médica de Chile, 2010
Reversible cerebral vasoconstriction syndrome is characterized by thunderclap headache associated with multifocal vasoconstriction of cerebral arteries in patients without aneurysmal subarachnoid hemorrhage (SAH). The vasoconstriction reverts within three months. We report a 44-year-old man who had a thunderclap headache during sexual intercourse.
Pedro Augusto, Sampaio Rocha Filho, Janayna, Santos Barbosa, Ana Rosa, Melo Correa-Lima   +2 more
openaire   +2 more sources