Vitamin D, infections and immunity



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Vitamin D and immunity

Vitamin D deficiency has been linked to an increased risk of a wide range of adverse health outcomes. The active form of vitamin D has an important role in calcium metabolism and in bone mineralisation, but the evidence for other health outcomes is mixed, with the strongest effects seen in the weakest epidemiological study designs. There are plausible pathways whereby vitamin D deficiency can i...

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Review Vitamin D and respiratory infections

Vitamin D or 1,25-hydroxyvitamin D (1,25(OH)2 D) has a well-established role in calcium homeostasis. In recent years, the discovery of vitamin D-metabolizing enzymes and vitamin D receptor (VDR) in the lungs and various cells of the immune system has led to numerous studies conducted to evaluate its role in respiratory functions and, in particular, upper respiratory tract infections (URTIs). A ...

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Vitamin D, infections and immune-mediated diseases

Vitamin D has been an exciting fi eld of research in recent years, with more than 1400 publications published on the subject in 2008. The lay press has published articles, the internet is full of information and pharmacies have prominent displays of vitamin D supplements. Historically, vitamin D has been thought only to have an effect on calcium metabolism and bone. Vitamin D defi ciency was th...

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Vitamin A and immunity to viral, bacterial and protozoan infections.

Studies in animal models and cell lines show that vitamin A and related retinoids play a major role in immunity, including expression of mucins and keratins, lymphopoiesis, apoptosis, cytokine expression, production of antibody, and the function of neutrophils, natural killer cells, monocytes or macrophages, T lymphocytes and B lymphocytes. Recent clinical trials suggest that vitamin A suppleme...

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The Role of Vitamin D and Vitamin D Receptor in Immunity to Leishmania major Infection

Vitamin D signaling modulates a variety of immune responses. Here, we assessed the role of vitamin D in immunity to experimental leishmaniasis infection in vitamin D receptor-deficient mice (VDRKO). We observed that VDRKO mice on a genetically resistant background have decreased Leishmania major-induced lesion development compared to wild-type (WT) mice; additionally, parasite loads in infected...

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عنوان ژورنال: Wiedza Medyczna

سال: 2020

ISSN: 2657-9669,2657-9669

DOI: 10.36553/wm.55