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Vitamina D – Perspetivas Atuais

Authors: Alexandre Miroux Catarino; Cristina Claro; Isabel Viana;

Vitamina D – Perspetivas Atuais

Abstract

A vitamina D tem como efeito biológico principal a promoção da mineralização óssea e a regulação da homeostasia do metabolismo cálcio-fósforo. A sua função biológica extra-esqueleto tem sido amplamente estudada e o seu défice associado a risco aumentado para diversas patologias, nomeadamente autoimunes, neoplásicas, cardiovasculares e neurológicas, entre outras. No entanto, esta mantém-se uma área de controvérsia e está por demonstrar a relação causa-efeito entre deficiência de vitamina D e patologia não esquelética, e o benefício da suplementação com esse objetivo. Nos indivíduos em risco de hipovitaminose a suplementação é segura, barata e com benefício demonstrado na prevenção de fraturas e quedas. É feita uma abordagem da síntese, metabolismo e modo de ação da vitamina D. Faz-se uma revisão sumária da fisiopatologia da vitamina D na pele - a influência da pigmentação cutânea e do uso de fotoproteção na sua síntese, e a sua relação com as dermatoses mais frequentes.

Keywords

Radiação Ultravioleta, Vitamina D, RL1-803, Neoplasias da Pele, Défice em Vitamina D, Dermatology, Infectious and parasitic diseases, RC109-216

  • BIP!
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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    3
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
Published in a Diamond OA journal