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Updated: Aug 24, 2026

Methodology for Studying Interactions of Vitamin A Membrane Receptors and Opsin Protein with their Ligands in Generating the Retinylidene Protein
Published on: October 4, 2024
[Vitamin A deficiency and clinical associations: a review]
Patrícia El Beitune1, Geraldo Duarte, Edson Nunes de Morais
1Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto - Universidade de São Paulo (HC-FMRPUSP), Brasil.
Abstract:
An important focus of attention in Public Health has been micronutrient deficiency in human being because of the enhanced vulnerability of individuals to the effects of micronutrient deficiency or imbalance. Among all micronutrients deficiencies, vitamin A has been one of the most important public health problems, affecting a large percentage of people in developing countries. Vitamin A is particularly important for its role in the process of organism defense against infections. This article reviews comprehensively vitamin A metabolism, it highlights hypovitaminosis A relationship with pregnancy and human imunodeficiency, showing its repercussions in several clinical conditions.
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