Search Results - "Pritchard, Harry A.T."
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The angiotensin II receptor type 1b is the primary sensor of intraluminal pressure in cerebral artery smooth muscle cells
Published in The Journal of physiology (15-07-2017)“…Key points The angiotensin II receptor type 1b (AT1Rb) is the primary sensor of intraluminal pressure in cerebral arteries. Pressure or membrane‐stretch…”
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Cardiovascular comorbidities, inflammation, and cerebral small vessel disease
Published in Cardiovascular research (22-11-2021)“…Abstract Cerebral small vessel disease (cSVD) is the most common cause of vascular cognitive impairment and affects all levels of the brain’s vasculature…”
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Cerebral Capillary TRPA1 Channels Mediate Functional Hyperemia via Retrograde Conducted Vasodilation
Published in The FASEB journal (01-04-2018)“…Cerebral capillaries are the sites of nutrient exchange and removal of metabolic by‐products within the brain parenchyma. Recent studies showed that cerebral…”
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Acute, pro‐contractile effects of prorenin on rat mesenteric arteries
Published in The FASEB journal (01-12-2023)“…Prorenin and the prorenin receptor ((P)RR) are important, yet controversial, members of the renin–angiotensin–aldosterone system. The ((P)RR) is expressed…”
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Nanoscale remodeling of ryanodine receptor cluster size underlies cerebral microvascular dysfunction in Duchenne muscular dystrophy
Published in Proceedings of the National Academy of Sciences - PNAS (09-10-2018)“…Duchenne muscular dystrophy (DMD) results from mutations in the gene encoding dystrophin which lead to impaired function of skeletal and cardiac muscle, but…”
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Nanoscale coupling of junctophilin-2 and ryanodine receptors regulates vascular smooth muscle cell contractility
Published in Proceedings of the National Academy of Sciences - PNAS (22-10-2019)“…Junctophilin proteins maintain close contacts between the endoplasmic/sarcoplasmic reticulum (ER/SR) and the plasma membrane in many types of cells, as…”
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Functionally linked potassium channel activity in cerebral endothelial and smooth muscle cells is compromised in Alzheimer’s disease
Published in Proceedings of the National Academy of Sciences - PNAS (28-06-2022)“…The brain microcirculation is increasingly viewed as a potential target for disease-modifying drugs in the treatment of Alzheimer’s disease patients,…”
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Brain endothelial cell TRPA1 channels initiate neurovascular coupling
Published in eLife (26-02-2021)“…Cerebral blood flow is dynamically regulated by neurovascular coupling to meet the dynamic metabolic demands of the brain. We hypothesized that TRPA1 channels…”
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Kynurenine Relaxes Arteries of Normotensive Women and Those With Preeclampsia
Published in Circulation research (28-05-2021)“…[Figure: see text]…”
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Uncoupling of Ca2+ sparks from BK channels in cerebral arteries underlies hypoperfusion in hypertension-induced vascular dementia
Published in Proceedings of the National Academy of Sciences - PNAS (15-08-2023)“…There are no treatments available for vascular dementia, the second-most common dementia syndrome, and patients decline rapidly after diagnosis. This syndrome…”
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Junctophilin‐2 Supports Functional Coupling Between Type 2 Ryanodine Receptors and BK Channels in Vascular Smooth Muscle Cells
Published in The FASEB journal (01-04-2018)“…Junctophilin‐2 (JPH2) is a structural protein that tethers the sarcoplasmic reticulum (SR) to the plasma membrane (PM) within the cardiac dyad. JPH2 is vital…”
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Potent vasorelaxant activity of the TMEM16A inhibitor T16A inh ‐A01
Published in British journal of pharmacology (01-02-2013)Get full text
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13
TRPML1‐Mediated Ca 2+ Signaling in Cerebral Artery Smooth Muscle
Published in The FASEB journal (01-04-2016)“…Abstract only Late endosomes and lysosomes (collectively referred to as endolysosomes) are small acidic organelles present in all cells that maintain a steep…”
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Microtubule structures underlying the sarcoplasmic reticulum support peripheral coupling sites to regulate smooth muscle contractility
Published in Science signaling (19-09-2017)“…Junctional membrane complexes facilitate excitation-contraction coupling in skeletal and cardiac muscle cells by forming subcellular invaginations that…”
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Inhibitory Role of PIP2 on Calcium-Activated Chloride Channel Activity
Published in Biophysical journal (28-01-2014)Get full text
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A Multi-disciplinary Commentary on Preclinical Research to investigate Vascular Contributions to Dementia
Published in Cerebral circulation - cognition and behavior (01-01-2023)“…•Different models recapitulate different aspects of human SVD – the right model should be used to answer the right question•Successful translation requires…”
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Molecular and functional significance of Ca(2+)-activated Cl(-) channels in pulmonary arterial smooth muscle
Published in Pulmonary circulation (01-06-2015)“…Increased peripheral resistance of small distal pulmonary arteries is a hallmark signature of pulmonary hypertension (PH) and is believed to be the consequence…”
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“A Step and a Ceiling”: mechanical properties of Ca2+ spark vasoregulation in resistance arteries by pressure‐induced oxidative activation of PKG
Published in Physiological reports (01-11-2019)“…We investigated the biomechanical relationship between intraluminal pressure within small mesenteric resistance arteries, oxidant activation of PKG, Ca2+…”
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