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Biomedical subjects

M Millot

Publications and source records attributed to M Millot.

6 recordsLinked to original sources

Computational tools for the study of allergens.

Allergy is a major cause of morbidity worldwide. The number of characterized allergens and related information is increasing rapidly creating demands for advanced information storage, retrieval and analysis. Bioinformatics provides useful tools for analysing allergens and these are complementary to traditional laboratory techniques for the study of allergens. Specific applications include structural analysis of allergens, identification of B- and T-cell epitopes, assessment of allergenicity and cross-reactivity, and genome analysis. In this paper, the most important bioinformatic tools and methods with relevance to the study of allergy have been reviewed.

Allergens↗

Allergen databases.

Allergies represent a significant medical and industrial problem. Molecular and clinical data on allergens are growing exponentially and in this article we have reviewed nine specialized allergen databases and identified data sources related to protein allergens contained in general purpose molecular databases. An analysis of allergens contained in public databases indicates a high level of redundancy of entries and a relatively low coverage of allergens by individual databases. From this analysis we identify current database needs for allergy research and, in particular, highlight the need for a centralized reference allergen database.

Allergens↗

Phosphorus depletion in children on long-term total parenteral nutrition.

The retention of nitrogen, calcium and phosphorus was studied in nine infants on total parenteral nutrition. The amounts of calcium, nitrogen and phosphorus were varied singly or simultaneously. The results demonstrate close interrelationships in the retention of these three elements. Not only the absolute amount of phosphorus perfused daily but also the amounts of nitrogen and/or calcium perfused simultaneously account for the phosphorus depletion that may lead to severe hypophosphatemia. The decrease in serum phosphorus concentration with a simultaneous fall of urinary phosphorus excretion to undetectable levels and a rise in urinary calcium output to 10 mg/kg/24 hours or more are warning symptoms of phosphorus depletion. Such a complication was observed in our first seven children on total parenteral nutrition. Phosphorus depletion can be prevented by using the following amounts of these elements in the perfusate: per 100 Kcal/kg/24 hours, 400 mg/kg/24 hours of nitrogen, 35 mg/kg/24 hours of calcium and 40 mg/kg/24 hours of phosphorus. With such a technique no phosphorus depletion was observed in any of the 63 subsequent patients whom we treated with total parenteral nutrition for periods varying from 20 days to 9 months.

Amino Acids↗