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prostaglandin/atròfia
L'enllaç es desa al porta-retalls
Pàgina 1 des de 908 resultats
Periorbital fat atrophy - an unfamiliar side effect of prostaglandin analogues.
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Prostaglandin F2 alpha (PGF2a) analogues including bimatoprost and travoprost are used worldwide, often as first line topical treatments for glaucoma. We present 2 cases of a newly described side effect of both these topical agents in terms of periorbital fat atrophy. This visually noticeable side
Prostaglandin but not cimetidine reduces spontaneous degeneration of isolated gastric gland cells.
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We studied the effect of either placebo, 16,16-dimethyl-prostaglandin E2 (16,16-dimethyl-PGE2), or cimetidine on spontaneous degeneration of isolated rat gastric glands maintained in vitro in a basic oxygenated medium for 24 h. We assessed the viability of gland cells with fast green exclusion,
Prostaglandin E1 infusion therapy in dry age-related macular degeneration.
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OBJECTIVE
The pilot study is intended to show whether prostaglandin E1 (PGE1) infusions are able to stop the gradual vision loss in dry age-related macular degeneration (AMD) and, further, to stabilize or improve visual acuity.
METHODS
With PGE1 infusions 11 patients with different forms of dry AMD
Mast cells in human testicular biopsies from patients with mixed atrophy: increased numbers, heterogeneity, and expression of cyclooxygenase 2 and prostaglandin D2 synthase.
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OBJECTIVE
To determine intratesticular abundance and distribution of tryptase-positive mast cells (MCs) and to examine the expression of key enzymes of prostaglandin (PG) synthesis, cyclooxygenase 2 (COX2), and PGD2 synthase in the testes of men with mixed atrophy (MA) syndrome and in normal
About mechanisms of prostaglandin E1 induced deterioration of pulmonary gas exchange in COPD patients.
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Prostaglandin E1 (PGE1) has been reported to attenuate COPD-related pulmonary hypertension and to slightly lower the arterial oxygen tension (PaO2). In order to infer the involved mechanisms, the effects of intravenous infusion of PGE1 on pulmonary haemodynamics, diffusing lung capacity for CO
Association between topical prostaglandin analog use and development of choroidal neovascular membranes in patients with concurrent glaucoma and age-related macular degeneration.
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OBJECTIVE
Matrix metalloproteinases (MMPs) are a family of enzymes that act to degrade extracellular matrix (ECM) molecules, such as collagen, elastin, and gelatin. The glaucoma medication latanoprost, and possibly other topical prostaglandin analogs, increase uveoscleral outflow and lower
Repeated exposure of tendon to prostaglandin-E2 leads to localized tendon degeneration.
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OBJECTIVE
To determine whether repeated exposure of rabbit patellar tendon to prostaglandin-E(2) leads to degenerative changes in the tendon.
METHODS
Laboratory animal study.
METHODS
Intratendinous changes including cellularity, matrix organization, collagen fibril packing, and
Oral prostaglandin E2 prevents gut atrophy during intravenous feeding but not bacterial translocation.
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The pathophysiologic changes in gut physiology that result in bacterial translocation during intravenous feeding are poorly defined, though believed to be related in part to intestinal atrophy, decreased mesenteric blood flow, and lack of intestinal secretions. This study investigated the hypothesis
Menopause-induced uterine epithelium atrophy results from arachidonic acid/prostaglandin E2 axis inhibition-mediated autophagic cell death.
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Women experience menopause later in life. Menopause is characterized by dramatically decreased circulating estrogen level secondary to loss of ovarian function and atrophic state of genital organs. However, the molecular mechanisms for this process are not fully understood. In this study, we aimed
Prostaglandins from a zoanthid: paclitaxel-like neurite-degenerating and microtubule-stabilizating activities.
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Two prostaglandins, PGA2 and PGB2, were isolated from the Okinawan zoanthid, Palythoa kochii, during a search for paclitaxel-like neurite-degenerating compounds from natural sources using a cell-based assay method. In the presence of PGA2 at 30 microM, the neuronal processes induced in PC12 cells by
Overexpression of amyloid precursor protein is associated with degeneration, decreased viability, and increased damage caused by neurotoxins (prostaglandins A1 and E2, hydrogen peroxide, and nitric oxide) in differentiated neuroblastoma cells.
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Inflammatory reactions are considered one of the important etiologic factors in the pathogenesis of Alzheimer's disease (AD). Prostaglandins such as PGE2 and PGA1 and free radicals are some of the agents released during inflammatory reactions, and they are neurotoxic. The mechanisms of their action
Prostaglandin E2 receptor type 2-selective agonist prevents the degeneration of articular cartilage in rabbit knees with traumatic instability.
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BACKGROUND
Osteoarthritis (OA) is a common cause of disability in older adults. We have previously reported that an agonist for subtypes EP2 of the prostaglandin E2 receptor (an EP2 agonist) promotes the regeneration of chondral and osteochondral defects. The purpose of the current study is to
Limaprost alfadex, a prostaglandin E1 derivative, prevents deterioration of forced exercise capability in rats with chronic compression of the spinal cord.
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METHODS
Basic animal research.
OBJECTIVE
Cervical spondylotic myelopathy is a common condition among elderly and often treated by surgery. To explore possibility of pharmacologic treatment, limaprost alfadex, a prostaglandin E1 derivative with vasodilatory and antiplatelet action, was tried in a rat
Lung inflammation and thymic atrophy after bleomycin are controlled by the prostaglandin D2 receptor DP1.
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Acute lung injury (ALI) can be accompanied by secondary systemic manifestations. In a model of ALI induced by bleomycin (bleo), we examined the response of D prostanoid receptor 1 (DP1)-deficient mice (DP1(-/-)) to better understand these processes. DP1 deficiency aggravated the toxicity of bleo as
Prostaglandin E2 deteriorates N-methyl-D-aspartate receptor-mediated cytotoxicity possibly by activating EP2 receptors in cultured cortical neurons.
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The activation of glutamate receptors, particularly N-methyl-D-aspartate (NMDA) receptors, initiates ischemic cascade in the early stages of cerebral ischemia. Postischemia, cerebral ischemia is also associated with an inflammatory reaction that contributes to tissue damage. The up-regulation of
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