pycnogenol/necroză

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Pycnogenol inhibits tumor necrosis factor-alpha-induced nuclear factor kappa B activation and adhesion molecule expression in human vascular endothelial cells.

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The transcriptional regulatory protein nuclear factor kappa B (NF-kappa B) participates in the control of gene expression of many modulators of inflammatory and immune responses, including vascular cell adhesion molecule-1 (VCAM-1) and intercellular adhesion molecule-1 (ICAM-1). The heightened

Pycnogenol inhibits immunoglobulin E-mediated allergic response in mast cells.

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IgE-dependent mast cell activation is known to be associated with the allergic diseases. Pycnogenol (PYC) is a standardized extract of the bark of French maritime pine containing bioflavonoids with a potent antioxidant activity. The antiallergic activity of PYC was evaluated using both in vivo and

Inhibitory Effect of Pycnogenol® on Airway Inflammation in Ovalbumin-Induced Allergic Rhinitis.

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BACKGROUND The supplement Pycnogenol® (PYC) has been used for the treatment of several chronic diseases including allergic rhinitis (AR). However, the in vivo effects on allergic inflammation have not been identified to date. OBJECTIVE To investigate the treatment results of PYC on allergic

Modulatory effects of Pycnogenol in a rat model of insulin-dependent diabetes mellitus: biochemical, histological, and immunohistochemical evidences.

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A number of experimental and clinical findings have consistently demonstrated the protective effects of Pycnogenol (PYC) in the management of diabetes. However, the protective mechanism by which PYC provides protection in a model type I diabetes has not been studied. This study examines the

Protective mechanisms of pycnogenol in ethanol-insulted cerebellar granule cells.

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Pycnogenol (PYC), a patented combination of bioflavonoids extracted from the bark of French maritime pine (Pinus maritima), inhibits apoptosis and necrosis of developing neurons exposed acutely to ethanol (EtOH). The present study shows that the protective mechanisms of PYC in EtOH-exposed postnatal

Modulating effects of pycnogenol® on oxidative stress and DNA damage induced by sepsis in rats.

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The aim of this study was to evaluate the protective effects of Pycnogenol® (Pyc), a complex plant extract from the bark of French maritime pine, on oxidative stress parameters (superoxide dismutase (SOD), and glutathione peroxidase (GPx) activities and total glutathione (GSH) and malondialdehyde

Effects of Pycnogenol on cisplatin-induced optic nerve injury: an experimental study.

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OBJECTIVE To determine the effects of Pycnogenol on cisplatin-induced optic nerve damage. METHODS Totally 18 albino Wistar male rats were assigned into three groups, with six rats in each group as follows: healthy controls (HC group), only cisplatin (2.5 mg/kg) administered group (CIS group) and

Protective effects of Pycnogenol on carbon tetrachloride-induced hepatotoxicity in Sprague-Dawley rats.

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Oxidative damage is implicated in the pathogenesis of various liver injuries. In the present study the ability of Pycnogenol (PYC) as an antioxidant to protect against CCl4-induced oxidative stress and hepatotoxicity in rats was investigated. Four experimental groups of six rats each were

Protection of MPTP-induced neuroinflammation and neurodegeneration by Pycnogenol.

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Oxidative stress and inflammation play a crucial role in Parkinson's disease (PD) pathogenesis and may represent a target for treatment. Current PD drugs provide only symptomatic relief and have limitations in terms of adverse effects and inability to prevent neurodegeneration. Flavonoids have been

Treatment options in myocarditis: what we know from experimental data and how it translates to clinical trials.

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Although viral myocarditis has been mostly attributed to enterovirus and adenovirus infection until recently, the association with parvovirus B19 in Europe and hepatitis C virus in Asia has lately been noted. Clinical trials of antiviral agents, such as interferons, are in progress. Whereas

French maritime pine bark extract inhibits viral replication and prevents development of viral myocarditis.

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BACKGROUND French maritime pine bark extract (Pycnogenol) revealed diverse anti-inflammatory actions by an inhibition of NF-kappaB-dependent gene expression. The aim of this study was to determine whether Pycnogenol had a beneficial effect on viral myocarditis in mice. METHODS Four-week-old inbred

Protective effects of pine bark extract against cisplatin-induced hepatotoxicity and oxidative stress in rats.

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We investigated the protective effects of pine bark extract (pycnogenol®, PYC) against cisplatin-induced hepatotoxicity and oxidative stress in rats. Twenty-four male rats were divided into the following four groups: (1) vehicle control, (2) cisplatin (7.5 mg/kg), (3) cisplatin & PYC 10 (10

Activity of monomeric, dimeric, and trimeric flavonoids on NO production, TNF-alpha secretion, and NF-kappaB-dependent gene expression in RAW 264.7 macrophages.

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Flavonoids are potent antioxidants and have been associated with lowering the risk of cardiovascular diseases. In this study, the effect of flavonoids (monomers, dimers and a trimer) as well as French maritime pine bark extract, Pycnogenol, on NO production, tumor necrosis factor-alpha (TNF-alpha)

Plant-derived medicines for treatment of endometriosis: A comprehensive review of molecular mechanisms.

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Endometriosis is an estrogen-dependent disease with inflammatory lesions at extra-uterine sites, causing pelvic pain and fertility reduction. Conventional therapies primarily focus on reducing systemic levels of estrogens; however, they do not have desirable effectiveness and possess considerable

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