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Biomedical subjects

P Andre

Publications and source records attributed to P Andre.

At least 91 records · Page 5Linked to original sources

Comparison of three methods for detection of prolonged experimental trichinellosis in pigs.

Three methods were employed for the diagnosis of porcine trichinellosis. The pooled sample digestion method and trichinoscopy served as European Community (EC) reference techniques, whereas the reliability of the Enzyme Linked Immunosorbent Assay (ELISA) was tested by 11 laboratories of the European Community and Sweden. Three groups of 6 piglets each were orally inoculated with 50, 150 and 1500 Trichinella spiralis larvae into each animal. Another group of 6 animals served as a non-infected control. Animals were slaughtered and serum and muscle samples were collected at Weeks 4, 12 and 40. The material was mailed under code and examined in all participating laboratories. ELISA proved to be a sensitive technique. ELISA micro assay was the most sensitive procedure. Of the direct techniques the reference pooled sample digestion method was more sensitive than trichinoscopy. It was concluded that both micro and macro ELISA can be used with confidence for the detection of low grade, longstanding experimental T. spiralis infections in swine.

Animals↗

Anthralin: historical and current perspectives.

Anthralin was first synthesized in 1916. Earlier, a natural product, chrysarobin, originally derived from the South American araroba tree, had been used to treat psoriasis. Anthralin was first used in Germany, and later in the Ingram regimen in Britain, but it has never been popular with American dermatologists. This is probably due to the side effects of staining and irritation of the skin. Attempts to reduce these using low concentration, short contact therapy, and concomitant steroid therapy, have been only partially successful. It may be that better instruction of patients and physicians will lead to wider use of this effective topical agent for the treatment of psoriasis. The mode of action of anthralin is thought to be either through its effect on deoxyribonucleic acid (DNA), probably mitochondrial DNA, which reduces cell turnover, or through its effects on various enzyme systems, including those of polyamine synthesis and respiration. The aims of this review are to discuss historical aspects of anthralin and to update its chemistry, pharmacology, and clinical usage.

Anthracenes↗

[Thyroiditis].

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Humans↗