Results 51 to 60 of about 41,058 (260)

TASK-1 potassium channel is not critically involved in mediating hypoxic pulmonary vasoconstriction of murine intra-pulmonary arteries. [PDF]

open access: yesPLoS One, 2017
The two-pore domain potassium channel KCNK3 (TASK-1) is expressed in rat and human pulmonary artery smooth muscle cells. There, it is associated with hypoxia-induced signalling, and its dysfunction is linked to pathogenesis of human pulmonary ...
Murtaza G   +7 more
europepmc   +2 more sources

Effect of High-Altitude Exposure on the Heart

open access: yesCardiology Discovery, 2023
High altitude brings a great physiological change in human beings, both during short-term exposure and in lifelong residents, especially in the cardiovascular system.
Lan Huang
doaj   +1 more source

Enhanced hypoxic pulmonary vasoconstriction in hypertension. [PDF]

open access: bronzeCirculation, 1989
In this study, we tested the hypothesis that hypoxic pulmonary vasoconstriction may be enhanced in systemic hypertension. The hypothesis took origin from the following two considerations: alveolar hypoxia constricts the pulmonary vessels by enhancing the Ca2+ penetration across sarcolemma of the smooth muscle cells and systemic high blood pressure is ...
Marco Guazzi   +5 more
openalex   +4 more sources

Hypoxia Upregulates Estrogen Receptor β in Pulmonary Artery Endothelial Cells in a HIF-1α-Dependent Manner [PDF]

open access: yes, 2018
17β-Estradiol (E2) attenuates hypoxia-induced pulmonary hypertension (HPH) through estrogen receptor (ER)-dependent effects, including inhibition of hypoxia-induced endothelial cell proliferation; however, the mechanisms responsible for this remain ...
Albrecht, Marjorie   +6 more
core   +1 more source

Regulation of rat intrapulmonary arterial tone by arachidonic acid and prostaglandin E2 during hypoxia. [PDF]

open access: yesPLoS ONE, 2013
Arachidonic acid (AA) and its metabolites, prostaglandins (PG) are known to be involved in regulation of vascular homeostasis including vascular tone and vessel wall tension, but their potential role in Hypoxic pulmonary vasoconstriction (HPV) remains ...
Gaoliang Yan   +6 more
doaj   +1 more source

CFTR and sphingolipids mediate hypoxic pulmonary vasoconstriction. [PDF]

open access: yesProc Natl Acad Sci U S A, 2015
Significance Hypoxic pulmonary vasoconstriction (HPV) is a physiological mechanism that protects against systemic hypoxemia by redistributing blood flow from poorly to better ventilated areas of the lung, thereby minimizing ventilation-perfusion mismatch.
Tabeling C   +16 more
europepmc   +2 more sources

Searching the ideal inhaled vasodilator: From nitric oxide to prostacyclin [PDF]

open access: yes, 2002
Today, the technique to directly administer vasodilators via the airway to treat pulmonary hypertension and to improve pulmonary gas exchange is widely accepted among clinicians.
Habler, Oliver   +5 more
core   +1 more source

EETs promote hypoxic pulmonary vasoconstriction via constrictor prostanoids.

open access: yesAm J Physiol Lung Cell Mol Physiol, 2017
To test the hypothesis that epoxyeicosatrienoic acids (EETs) facilitate pulmonary responses to hypoxia, male wild-type (WT) and soluble-epoxide hydrolase knockout (sEH-KO) mice, and WT mice chronically fed a sEH inhibitor (t-TUCB; 1 mg·kg-1·day-1) were ...
Kandhi S   +11 more
europepmc   +2 more sources

Transient but not genetic loss of miR-451 attenuates the development of pulmonary arterial hypertension [PDF]

open access: yes, 2013
<b>Rationale:</b> MicroRNAs are small non-coding RNAs involved in the regulation of gene expression and have recently been implicated in the development of pulmonary arterial hypertension (PAH).
Baker, Andrew H.   +5 more
core   +2 more sources

Acute oxygen sensing: diverse but convergent mechanisms in airway and arterial chemoreceptors [PDF]

open access: yes, 2001
Airway neuroepithelial bodies sense changes in inspired O2, whereas arterial O2 levels are monitored primarily by the carotid body. Both respond to hypoxia by initiating corrective cardiorespiratory reflexes, thereby optimising gas exchange in the face ...
Kemp, P.J., Peers, C.
core   +4 more sources

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