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pteridium aquilinum/atrofia
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Reproduction of progressive retinal degeneration (bright blindness) in sheep by administration of ptaquiloside contained in bracken.
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The process of occurrence of bright blindness, progressive retinal degeneration (PRD), in sheep was observed using two Suffolk ram lambs fed on a diet containing bracken powder. The first sign of the bright blindness was detected 4 months after the start of experiment. Based on these preliminary
THE DEGENERATION AND REAPPEARANCE OF MITOCHONDRIA IN THE EGG CELLS OF A PLANT.
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Details are given of the elimination of mitochondria which occurs during the first 1 to 2 hours of the life of the egg of the fern Pteridium aquilinum (L.) Kuhn. During this phase the only mitochondria present are swollen and appear degenerate, but subsequently the cytoplasm of the egg becomes
Should we be frightened of bracken? A review of the evidence.
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OBJECTIVE
To assess the risk to human health of the plant bracken (Pteridium sp).
METHODS
An evaluation of studies of human and animal populations exposed to bracken, together with a review of expert reports and advice to the public.
RESULTS
Bracken induced disease has been demonstrated in animals
DNA damage and apoptosis induced by Pteridium aquilinum aqueous extract in the oral cell lines HSG and OSCC-3.
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BACKGROUND
Bracken fern (Pteridium aquilinum) has been consumed by humans and animals for centuries. However, its consumption is associated with a high incidence of cancer in the upper digestory tract of different species. Although the oral cavity is the first site of contact with ingested toxic
Interaction of bracken-fern extract with vitamin C in human submandibular gland and oral epithelium cell lines.
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The consumption of bracken-fern (Pteridium aquilinum) as food is associated with a high incidence of cancer in humans and animals. Thus far, the carcinogenic effects of bracken-fern consumption could be related to chromosome aberrations verified in animal and in human peripheral lymphocytes. We
Bracken carcinogens in the human diet.
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The ubiquitous bracken fern (genus Pteridium) is the only higher plant known to cause cancer naturally in animals. In addition to the well-recognized syndromes of thiamine deficiency, acute haemorrhage associated with myeloid aplasia and blindness due to retinal degeneration, it causes neoplasia of
Non-LTR retrotransposons (LINEs) as ubiquitous components of plant genomes.
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During the course of work aimed at isolating a rice gene from Oryza australiensis by PCR, the oligonucleotide primers used were found to generate a fragment that showed sequence homology to the endonuclease (EN) region of the maize non-LTR retrotransposon (LINE) Cin4. We carried out further PCRs
Pathological studies on Bovine papilloma virus-fern interaction in hamsters.
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Early pathological changes of Bovine papilloma virus (BPV-2)-fern (Pteridium aquilinum and Onychium contiguum fern) interaction in hamsters were studied. In bracken-exposed cattle, BPV induces malignancy in gastrointestinal and urinary bladder mucosa. Cutaneous warts were transmitted successfully in
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