aristolochic acid ii/vēzis

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Aristolochic acid as a probable human cancer hazard in herbal remedies: a review.

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Ielogoties Reģistrēties

The old herbal drug aristolochic acid (AA), derived from Aristolochia spp., has been associated with the development of a novel nephropathy, designated aristolochic acid nephropathy (AAN), and urothelial cancer in AAN patients. There is clear evidence that the major components of the plant extract

Is aristolochic acid nephropathy a widespread problem in developing countries? A case study of Aristolochia indica L. in Bangladesh using an ethnobotanical-phytochemical approach.

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Ielogoties Reģistrēties

BACKGROUND Species of Aristolochia are associated with aristolochic acid nephropathy (AAN), a renal interstitial fibrosis and upper urinary tract cancer (UUC). Aristolochic acid nephropathy has been reported in ten countries but its true incidence is unknown and most likely underestimated. By

Antithrombin activity of some constituents from Origanum vulgare.

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Ielogoties Reģistrēties

Aristolochic acid I, aristolochic acid II, and D-(+)-raffinose were isolated from Origanum vulgare. Their inhibition of thrombin and activity against leukemia were evaluated. Aristolochic acid I and II have high inhibition of thrombin activity and were confirmed to possess activity against cancer.

In vivo Comet assay on isolated kidney cells to distinguish genotoxic carcinogens from epigenetic carcinogens or cytotoxic compounds.

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Ielogoties Reģistrēties

The objective of this study was to determine the ability of the alkaline in vivo Comet assay (pH>13) to distinguish genotoxic carcinogens from epigenetic carcinogens when performed on freshly isolated kidney cells and to determine the possible interference of cytotoxicity by assessing DNA damage

Isolation, Characterization and Quantity Determination of Aristolochic Acids, Toxic Compounds in Aristolochia bracteolata L.

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Ielogoties Reģistrēties

BACKGROUND Aristolochic Acids (AAs) are major components of plants in Aristolochia and have been found to be nephrotoxic, carcinogenic and mutagenic. Herein reported are the isolation, identification and quantity determination methods of Aristolochic Acid-I (AA-I) and Aristolochic Acid-II (AA-II)

Sequence-specific detection of aristolochic acid-DNA adducts in the human p53 gene by terminal transferase-dependent PCR.

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Ielogoties Reģistrēties

The carcinogenic plant extract aristolochic acid (AA) is thought to be the major causative agent in the development of urothelial carcinomas found in patients with Chinese herb nephropathy (CHN). These carcinomas are associated with overexpression of p53, suggesting that the p53 gene is mutated in

Chemical Constituents and Pharmacology properties of Aristolochia triangularis: a south brazilian highly-consumed botanical with multiple bioactivities.

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Ielogoties Reģistrēties

Aristolochia triangularis Cham., is one of the most frequently used medicinal plant in Southern Brazil. Preparations containing the leaves and/or stems are traditionally used as anti-inflammatory, diuretic, as well as antidote against snakebites. This study screened A. triangularis extracts,

Aristolochic acids detected in some raw Chinese medicinal herbs and manufactured herbal products--a consequence of inappropriate nomenclature and imprecise labelling?

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Ielogoties Reģistrēties

BACKGROUND Certain frequently used Chinese herbal medicines commonly used for weight control, may contain toxic Aristolochia species, which have been associated with severe nephropathy and urothelial cancer in humans and animals. The toxic entities in Aristolochia species are aristolochic acid-I

32P-post-labelling analysis of DNA adducts formed by aristolochic acid in tissues from patients with Chinese herbs nephropathy.

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Ielogoties Reģistrēties

Recently, we reported that aristolochic acid (AA) a naturally occurring nephrotoxin and carcinogen is implicated in a unique type of renal fibrosis, designated Chinese herbs nephropathy (CHN). Indeed, we identified the principal aristolochic acid-DNA adduct in the kidney of five such patients. We

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