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PubMed1992

Alterations in metabolic activity of Cysticercus fasciolaris on some anthelmintic treatments.

Effect of candidate compounds 81-470 i.e. methyl [5[4-(2-pyridinyl)-1-piperazinyl]carbonyl]-1H-benzimidazole-2-yl]- carbamate and 86-162 i.e. methyl-5(6)-(alpha-hydroxyphenyl methyl) benzimidazole-2-carbamate along with reference drugs mebendazole and praziquantel on energy metabolism of C. fasciolaris recovered from rats treated with single dose of 500 mg/kg, ip was investigated. All the drugs significantly lowered the rate of uptake of glucose and alanine by the parasite. Suppression in the formation of lactate, the major end-product, was also noticed. Nonetheless the ratio of lactate produced versus the substrates consumed was not substantially affected. The recovered cysticerci also possessed less glycogen and ATP compared to the normal parasites. Although the effects exerted by the drugs were of the identical nature, they significantly differed in the magnitude of their action. Mebendazole followed by praziquantel maximally affected all the above metabolic activities while 86-162 proved to be the weakest in action. The results suggest that the examined drugs exert their chemotherapeutic activity by interfering with uptake of glucose and alanine but do not significantly alter their catabolism.

Adenosine Triphosphate↗
PubMed2003

Effect of some chemical agents on the viability of Cysticercus bovis.

The effect of eight chemicals; vinegar, Allium sativum (crude garlic), Acacia auriculiformis, lemon juice, praziquantel, pumpkin, perosan and yomesan on the viability of cysticerci of Taenia saginata in vitro was investigated. The minimum exposure time required for cysticerci to be non-evaginable for the eight chemicals were 5, 10, 25, 40, 55, 75, 90 and 105 minutes respectively. The best one was vinegar and the least effective was yomesan.

Animals↗
PubMed1992

The effect of different chemical and physical agents on the viability of Cysticercus bovis: a preliminary report.

The in vitro comparative effect of 23 chemicals and 5 physical agents on the viability of Cysticerci of Taenia saginata was investigated. Accordingly the effects of Vinegar, "Kosso-Araki", "Senafitch", "Dagim-Araki", "Datta", Gin, Lemon-juice, Cognac, Fernet Whisky, Bitter, Brandy, Kilikil, "Feto", ArakiUzo, Araki-Double Uzo, Vermouth, Metta Beer, Pilsner Beer, "Awazie", "Tella", "Tej", and Sarris Wine Red and White; was assessed on the basis of minimum exposure time (in minutes) required to render viable cysticerci nonevaginable, and was found to be 5, 20, 20, 25, 40, 40, 45, 50, 55, 75, 80, 90, 90, 90, 105, 105, 110 respectively with the remaining showing no deleterious effects on the cysts up to 180 minutes of exposure. Similarly, viable bovine cysticerci were subjected to the physical forces of x-ray radiation, electricity, UV light radiation, centrifugation and vibration, and the effect of the individual agent on the cysts was assessed on the basis of minimum applicable force required to render bovine cysticerci non-evaginable. And it was found that, whereas 500 grays (Gy) of absorbed xray radiation dose and electric current measuring 0.1 mA applied for 1/2 a minute were required to render cysts nonviable. A relative decrease in evagination time and increased viger and motility of the evaginated cysticerci was observed with the other physical forces. On the basis of these results, it is suggested that an attempt to understand the mechanism of action and may be elucidation of the active principle of the more potent agents will be a step forward towards a successful break in the life cycle of the parasite.

Animals↗