ABDELLAH CHEKROUN

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Weaning is a transient period of life during which maternal proteins are replaced by foreign proteins. Concomitantly, in early postnatal life, both digestive and immune systems undergo a maturation process. Allergy to cow's milk protein may develop in human infants during weaning, determining digestive, respiratory, cutaneous or systemic symptoms. We(More)
Problem statement: Our aim was to enhance the data on antigenic properties of dromedary whey proteins. Approach: The identification of the whey proteins was carried by SDS-page and Reversed phase high performance liquid chromatography (RP-HPLC). The cross-reactivity of dromedary whey proteins with IgG anti bovine β-lactoglobulin and anti bovine(More)
Les auteurs rapportent une série de 33 cas de collections abdominales colligées au service des urgences chirurgicales viscérales du CHU Ibn Sina de Rabat, sur une période de 4 ans. L’âge moyen des patients est de 42 ans. La majeure partie de ces abcès siège au niveau du foie (19 cas). Le traitement percutané est réalisé sous guidage échographique dans tous(More)
The main objective of this work is to show a fermentation influence by some associations of two lactic acid bacteria and three bifidobacteria on proteolysis and the antigenicity of sheep milk proteins. This latter freshly collected is skimmed, sterilized and inoculated by a mixed culture. The mixture is homogenized and incubated at 40°C until it is a curd.(More)
The allergenicity of β-lactoglobulin (β-Lg) was studied by using Ussing chamber in a murine model of β-Lg allergy supplemented with hydrolysates obtained after fermentation of milk for 48 h at 37 (°)C with Enterococcus faecalis DAPTO 512, isolated from cow milk and identified by 16S rDNA sequence analysis. Balb/c mice were sensitised intraperitoneally with(More)
This study evaluated the effects of gamma-radiation on the antigenic properties of beta-lactoglobulin in cow's milk. Liquid and lyophilized samples of cow's milk and whey were irradiated with gamma-cells (60Co) at dose levels of 3, 5, and 10 kGy, at room temperature in the presence of air. Effects of treatment on proteins were monitored by Lowry's method,(More)
Objective: Dromedary milk has a good nutritive value and is free of β-lactoglobulin (β-Lg), which is considered one of the major antigens of cow’s milk proteins responsible for the incidence of allergy in infancy. In this work, we try to assess the in vitro gastrointestinal digestion of dromedary’s whey proteins. Methods: The dromedary and bovine whey(More)
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