Une vision stratégique de l'actualité scientifique et technologique du secteur des biotechnologies.

Green pesticides in elaboration

Interview of Abdel-Tawab Mossa, Professor of Pesticides “Pesticide Chemistry and Toxicology” at the Pesticide Chemistry Department, National Research Centre, Cairo, in Egypt. NRC is the main Research Institute in the Middle East (3500 scientists in many départements).

Pr Abdeltawab Mossa (left) et Dr Jalloul Bouajila in Toulouse, crédit TB

Pr Abdeltawab Mossa (left) et Dr Jalloul Bouajila in Toulouse, crédit TB

Pr A. Mossa collaborates with Dr Jalloul Bouajila in the Toulouse Pharmacy Faculty (Robert Sabatier University) on the experimental in vitro and in vivo animal activity and the formulation of natural molecules in order to study the protective measures against the toxic effects of pesticides.

You published a study in the beginning of 2017 demonstrating that insecticide Ivermectine (ABA) was highly toxic on rat females “mothers” and their offspring.

As a toxicologist, I have published 54 studies. There are three parts to my studies : in vitro toxicological effects and acute oral toxicity, biological activity. We realized the first two parts in reproducing animal and the biochemistry section of Veterinary department in Cairo NRC. I achieved the third one, sample preparation and essays in vivo.

You are studying lactating females rat that have been exposed to pesticides. Are there side effects?

Worldwide, women working in agriculture, in farms, are highly exposed to pesticides.  We have to study blood or urine products in order to extrapolate effects on maternal milk.

In the animal sector, there are several types of side effects: animal performance or behaviour and health. In this particular study*, several factors are critical in measuring the effects of the mother’s exposure during lactation. They are correlated with human because these studies are conducted on different sorts of mammals (rats, rabbits). Epidemiological studies will be the next step.


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