polypodium/protizápalový

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Analgesic and anti-inflammatory activity of the proanthocyanidin shellegueain A from Polypodium feei METT.

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Analgesic and antiinflammatory activity of proanthocyanidin isolated from Polypodium feei roots has been tested using acetic acid-induced writhing and carrageenan-induced paw edema methods, respectively. The compound at doses of 50 and 100 mg/kg significantly decreased writhing responses of mice

Retraction: "Oral Polypodium leucomotos increases the anti-inflammatory and melanogenic responses of the skin to different modalities of sun exposures: a pilot study" by Calzavara-Pinton PG, Rossi MT, Zanca A, Arisi M, Gonzalez S, and Venturini M.

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The above article, published online on November 6, 2015 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the authors, the journal Editor in Chief, Thomas M. Ruenger, MD PhD and John Wiley & Sons Ltd. The retraction has been agreed as the clinical trial

Oral Polypodium leucomotos increases the anti-inflammatory and melanogenic responses of the skin to different modalities of sun exposures: a pilot study.

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BACKGROUND The effects on the inflammatory and tanning responses of sunlight/UVR of several oral antioxidants are still unknown. OBJECTIVE Assess intensity, time course of the inflammatory, and tanning responses to increasing dosages of solar-simulated radiation (SSR) at baseline and after oral

Quantitative determination of antiinflammatory principles in some Polypodium species as a basis for standardization.

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Recently, several compounds including polyunsaturated fatty acids (linoleic, linolenic, arachidonic), the triflavonoid selligueain and a sulfonoglycolipid (SQDG) have been isolated from the South American fern, Polypodium decumanum using bioactivity directed fractionation. The present study

Inhibition of ultraviolet-induced formation of reactive oxygen species, lipid peroxidation, erythema and skin photosensitization by polypodium leucotomos.

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The acute reactions of human skin to solar ultraviolet radiation (290-400 nm) are recognized as a form of inflammation reactions that are mediated by several possible mechanisms including (a) direct action of photons on DNA, (b) generation of reactive free radicals and reactive oxygen species

The Role of the Aqueous Extract Polypodium Leucotomos in Photoprotection

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Solar radiation in the ultraviolet (UV), visible (VIS), and infrared (IR) ranges produces different biological effects in humans. Most of these, particularly those derived from ultraviolet radiation (UVR) are harmful to the skin, and include cutaneous aging and increased risk of cutaneous diseases,

An extract of the fern Polypodium leucotomos (Difur) modulates Th1/Th2 cytokines balance in vitro and appears to exhibit anti-angiogenic activities in vivo: pathogenic relationships and therapeutic implications.

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In the present study we show the capacity of an extract of the fern Polypodium leucotomos (PLE) to partially inhibit the production of cytokines showing a Th1 pattern (IL-2, IFN-gamma and TNF-alpha) in human PHA-stimulated peripheral blood mononuclear cells. The percentage of inhibition was 24% for

Polypodium leucotomos as an Adjunct Treatment of Pigmentary Disorders.

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BACKGROUND Extracts of the tropical fern Polypodium leucotomos appear to possess beneficial properties for the skin attributed to the presence of numerous compounds within the extract that have antioxidant and photoprotective properties. Orally administered Polypodium leucotomos may provide

Sun protection in a pill: the photoprotective properties of Polypodium leucotomos extract.

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BACKGROUND Physical blocks (i.e. wearing appropriate clothing), exposure avoidance, and the use of sunscreens are the main methods of photoprotection currently used. However, phytochemical and natural botanical extracts such as polypodium leucotomos, a tropical fern found in Central and South

Beneficial regulation of matrixmetalloproteinases and their inhibitors, fibrillar collagens and transforming growth factor-beta by Polypodium leucotomos, directly or in dermal fibroblasts, ultraviolet radiated fibroblasts, and melanoma cells.

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The extracellular matrix (ECM) that gives tissue its structural integrity is remodeled in skin aging/photoaging and cancer via the increased expression/activities of matrixmetalloproteinases (MMP), inhibition of the tissue inhibitors of matrix metalloproteinases (TIMP), or inhibition of collagen

Predominant effects of Polypodium leucotomos on membrane integrity, lipid peroxidation, and expression of elastin and matrixmetalloproteinase-1 in ultraviolet radiation exposed fibroblasts, and keratinocytes.

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BACKGROUND Polypodium leucotomos has been reported to have antioxidant, anti-inflammatory and photoprotective properties. Exposure of skin to ultraviolet (UV) radiation can lead to deposition of excessive elastotic material, reduction in collagen, and increased expression of matrix

Oral administration of a hydrophilic extract of Polypodium leucotomos for the prevention of polymorphic light eruption.

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BACKGROUND Polymorphic light eruption (PLE) is the most common idiopathic photodermatosis. Reactive oxygen species have been implicated in the pathogenesis of PLE. Polypodium leucotomos (PL) is a natural extract from tropical fern leaves with potent antioxidant and anti-inflammatory

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