anthrone/inflamación

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Treatment of psoriasis with anthrones-chemical principles, biochemical aspects, and approaches to the design of novel derivatives.

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Antipsoriatic anthrones are probably the most commonly used topical agents in the treatment of psoriasis. There is growing evidence that the biochemical basis for their mechanism of action at the molecular level is related to their redox activity leading to the production of active oxygen species,

Antioxidants attenuate anthralin-induced skin inflammation in BALB/c mice: role of specific proinflammatory cytokines.

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Anthralin is the most common therapeutic agent among a small number of pro-oxidant, 9-anthrones effective in the topical treatment of psoriasis. However, the usefulness of this drug is diminished by toxic side effects, including skin irritation and inflammation. The activities of anthralin are

Histologic alterations produced by chrysarobin (1,8-dihydroxy-3-methyl-9-anthrone) in SENCAR mouse skin: relationship to skin tumor promoting activity.

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Histologic changes induced in SENCAR skin following a single treatment with chrysarobin (1,8-dihydroxy-3-methyl-9-anthrone) exhibited differences in time course from that observed with 12-O-tetradecanoylphorbol-13-acetate (TPA). Although not significantly different, maximum elevations in epidermal

[Metabolism of antipsoriatic anthrone derivatives].

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The metabolisation of the antipsoriatically active molecules 1,8,9-triacetoxy-anthracene und 1,8-diacetoxy-9-anthrone by serum is described. Under these conditions 1,8-dihydroxy-9-anthrone, 1-hydroxy-8-acetoxy-9-anthrone, 1,8,1',8'-tetrahydroxy-bisanthrone, 1,8-dihyroxy-anthraquinone,

Antipsoriatic anthrones: aspects of oxygen radical formation, challenges and prospects.

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1. Antipsoriatic anthrones are among the most commonly used topical agents for the treatment of psoriasis. 2. These drugs generate reactive oxygen species during their auto-oxidation under physiological conditions. 3. Recent studies have indicated that activation of molecular oxygen by anthrones may

Detection and characterization of 9-anthron-10-yl radicals formed by antipsoriatic and tumor-promoting 9-anthrones in aqueous buffers.

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Certain 1,8-dihydroxy-9-anthrones have been used for the topical treatment of psoriasis for over seventy-five years. The therapeutic usefulness of these compounds is limited, however, by side effects including severe skin inflammation and staining. Antipsoriatic 9-anthrones are also tumor promoters

An EPR study of free radicals formed by antipsoriatic and tumor-promoting 9-anthrones in nonpolar solvents.

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Certain 9-anthrone derivatives are useful in treating psoriasis and are also known to be tumor promoters in mouse skin. Their therapeutic use is accompanied by side effects of severe skin inflammation, irritation, and staining. The precise biochemical mechanisms of therapeutic action, tumor

In vitro antimicrobial and antioxidant activities of anthrone and chromone from the latex of Aloe harlana Reynolds.

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In the search for new antimicrobial and antioxidant compounds from plants, the latex of the medicinal plant Aloe harlana Reynolds from Ethiopia was subjected to bioassay-guided fractionation, which led to the isolation of two known compounds, anthrone (aloin) and chromone (7-O-methylaloeresin A).

Anti-inflammatory, laxative and intestinal motility effects of Senna macranthera leaves.

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Several species of Senna are well known for their therapeutic properties, being used in folk medicine to treat throat inflammation and constipation. In this regard, the anti-inflammatory, laxative and intestinal motility effects of different extracts of Senna macranthera (Colladon) H. Irwin and

The Genus Aloe: Phytochemistry and Therapeutic Uses Including Treatments for Gastrointestinal Conditions and Chronic Inflammation.

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Plants of the genus Aloe have perhaps the longest recorded history of medicinal usage and are amongst the most widely used plants for traditional medicinal purposes worldwide. Aloe vera, Aloe ferox, Aloe arborescens and Aloe perryi are the best known and most widely used, but many other species are

Antipsoriatic anthrones with modulated redox properties. 5. Potent inhibition of human keratinocyte growth, induction of keratinocyte differentiation, and reduced membrane damage by novel 10-arylacetyl-1,8-dihydroxy-9(10H)-anthracenones.

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The synthesis and structure-activity relationships (SARs) of a series of novel 10-arylacetyl-1,8-dihydroxy-9(10H)-anthracenones are described. Acylation of anthralin with either the appropriate arylacetyl chlorides or arylacetic acids in the presence of pyridine or via the coupling agent

Chromatographic separation and detection methods of Aloe arborescens Miller constituents: A systematic review.

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Aloe arborescens Miller (Family Asphodelaceae) is a member of genus Aloe, which is used in traditional medicine to cure various diseases. The extracts of the plant have been reported to possess anticancer, immunomodulator, antidiabetic, anti-inflammatory and antioxidant activities. The phytochemical

Evidence for a common genetic pathway controlling susceptibility to mouse skin tumor promotion by diverse classes of promoting agents.

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The present study has compared different mouse stocks and strains with known sensitivity to phorbol ester skin tumor promotion for their sensitivities to skin tumor promotion by a prototypic organic peroxide (benzoyl peroxide, BzPo) and anthrone (chrysarobin, Chr) tumor promoter. Following

Rheum australe D. Don: a review of its botany, ethnobotany, phytochemistry and pharmacology.

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BACKGROUND Rheum australe D. Don (Polygonaceae) has been commonly used in traditional medicine for a wide range of ailments related to the circulatory, digestive, endocrine, respiratory and skeletal systems as well as to infectious diseases. OBJECTIVE To provide the up-to-date information that is

Characterization of the hydroperoxide response observed in mouse skin treated with tumor promoters in vivo.

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The production of hydroperoxides is rapidly increased and remains at 200-280% of the control 1-24 h after the second daily application of 17 nmol of 12-O-tetradecanoylphorbol-13-acetate (TPA) to mouse skin in vivo. The levels of hydroperoxides are increased 1.63-, 2.64-, 4.07-, and 4.31-fold 18 h

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