Results 71 to 80 of about 32,261 (224)

Hypoxic regulation of EDN1, EDNRA, EDNRB, and ECE1 gene expressions in ERN1 knockdown U87 glioma cells

open access: yesEndocrine Regulations, 2019
Objective. The aim of the present investigation was to study the effect of hypoxia on the expression of genes encoding endothelin-1 (EDN1) and its cognate receptors (EDNRA and EDNRB) as well as endothelin converting enzyme 1 (ECE1) in U87 glioma cells in
Minchenko Dmytro O.   +7 more
doaj   +1 more source

CLINICAL CASE OF COMBINATION THERAPY INCLUDING AMBRIZENTAN IN THE PATIENT WITH SEVERE IDIOPATHIC PULMONARY ARTERIAL HYPERTENSION

open access: yesЕвразийский Кардиологический Журнал, 2017
Idiopathic pulmonary hypertension (IPAH) is a rare cardiovascular disease of unknown etiology, but the most common form of pulmonary arterial hypertension, defined as mean pulmonary arterial pressure >25 mmHg and pulmonary vascular resistance >3 ...
G. A. Movsisyan   +6 more
doaj   +1 more source

Sympatho‐Excitation in Pulmonary Hypertension: The Potential Role of Pulmonary Arterial Baroreceptors: An Acute Physiologic Intervention Study

open access: yesRespirology, EarlyView.
Pulmonary arterial baroreceptors reflexively stimulate sympathetic nerve activity (SNA) in response to elevated pulmonary artery pressure and distension. In pulmonary hypertension patients, changes in muscle SNA were proportional to changes in pulmonary haemodynamics following nebulised iloprost.
Michael J. Plunkett   +6 more
wiley   +1 more source

Genetic Pigmentary Disorders: From Molecular Mechanisms to Clinical Manifestations

open access: yesThe Journal of Dermatology, EarlyView.
ABSTRACT Genetic pigmentary disorders represent a diverse group of genetic conditions characterized by alterations in melanin production and transport and melanocyte development, resulting from single‐gene pathological variants. These disorders encompass both hypopigmentary and hyperpigmentary phenotypes, affecting not only skin pigmentation but also ...
Ken Okamura, Tamio Suzuki
wiley   +1 more source

Cardiovascular Plasticity and Adaptation of High‐Altitude Birds and Mammals

open access: yesIntegrative Zoology, EarlyView.
This schematic depicts the cardiovascular adaptations of mammals and birds to high‐altitude hypoxia. It highlights key phenotypic changes in oxygen transport and cardiac responses, driven by molecular mechanisms including transcriptional regulation and genetic modifications.
Huishang She, Yanhua Qu
wiley   +1 more source

Endothelin Type B Receptor–Induced Sustained Ca2+ Influx Involves Gq/11/Phospholipase C–Independent, p38 Mitogen-Activated Protein Kinase–Dependent Activation of Na+/H+ Exchanger

open access: yesJournal of Pharmacological Sciences, 2010
The mechanism for sustained Ca2+ influx activated by G protein–coupled receptors was examined. In Chinese hamster ovary cells expressing recombinant human endothelin type B receptor (ETBR) and endogenous P2Y receptor (P2Y-R), endothelin-1 elicited a ...
Tsunaki Higa   +7 more
doaj   +1 more source

Single oral administration of dronabinol increases ocular blood flow in patients with glaucoma

open access: yesActa Ophthalmologica, EarlyView.
Abstract Purpose Glaucoma is a leading cause of irreversible blindness globally, primarily driven by elevated intraocular pressure (IOP). Still, some patients progress despite significant IOP lowering, potentially due to impaired ocular blood flow. This study aimed to evaluate the effects of dronabinol, a synthetic tetrahydrocannabinol derivative, on ...
Theresa Lindner   +9 more
wiley   +1 more source

A review of sitaxsentan sodium in patients with pulmonary arterial hypertension

open access: yesVascular Health and Risk Management, 2007
Aaron B WaxmanDepartment of Internal Medicine, Pulmonary Critical Care Unit, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USAAbstract: Pulmonary arterial hypertension (PAH) is a life threatening, progressive condition which ...
Aaron B Waxman
doaj  

Vessel‐associated microglia are differentially activated and distributed in relation to systemic infection and Alzheimer's disease

open access: yesBrain Pathology, EarlyView.
This post‐mortem study revealed an increased density of vessel‐associated microglia (VAM) in the temporal lobe in systemic infection and Alzheimer's disease. VAM density was related to brain cytokine levels and markers of cerebrovascular dysfunction and BBB leakage indicating that activated VAM contributes to neurovascular injury in Alzheimer's disease.
Oliver Milner   +5 more
wiley   +1 more source

Endothelial Netrin‐4 regulates oligodendrocyte precursor cell proliferation and differentiation via ET‐1 signaling in preterm white matter injury

open access: yesBrain Pathology, EarlyView.
Our findings show early increased Netrin‐4 in mice with PWMI boosts angiogenesis and OPCs proliferation. Later, high levels hinder OPCs differentiation into mature cells, impairing myelination. It may act by stimulating ET‐1 secretion. Abstract Perinatal hypoxia–ischemia is a leading cause of preterm white matter injury (PWMI), yet mechanisms ...
Fuxing Dong   +8 more
wiley   +1 more source

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