vitamin d antimicrobial peptides Vitamin D Induces the Antimicrobial Protein hCAP18 in Human Skin - Vitamin Ddeficiency symptoms Vitamin D analogs like calcipotriol have antipsoriatic effects The Synergistic Power of Vitamin D and Antimicrobial Peptides in Innate Immunity

Thisvitamincan be deficient during pregnancy and result in neural tube defects Vitamin D plays a crucial, yet often underestimated, role in bolstering our body's natural defensesVitamin D and the Human Antimicrobial Peptide LL-37 .... Beyond its well-known functions in bone health and calcium absorption, emerging research highlights its significant contribution to our innate immune system through the induction of antimicrobial peptides (AMPs)Peptide Antimicrobial Agents - PMC - NIH. This intricate relationship, often referred to as the vitamin D-antimicrobial peptide pathway, is fundamental in combating a wide range of microbial threats, from bacteria to viruses作者：AS Antal·2011·被引用次数：83—Antimicrobial peptides(AMPs) are effectors of cutaneous innate immunity and protect primarily against microbial infections. An array of AMPs can be found ....

Scientific literature extensively details how vitamin D stimulates the expression of potent antimicrobial peptides作者：O Hertting·2010·被引用次数：239—Here we show thatvitamin D can induce cathelicidin in the urinary bladder. We analyzed bladder tissue from postmenopausal women for expression of cathelicidin.. Among the most prominent are cathelicidin (also known as CAMP or hCAP18) and beta-defensin 2 (hBD-2). These peptides are not merely passive molecules; they are active effectors of the immune system found in various immune cells like neutrophils, monocytes, and natural killer cells, as well as in epithelial cells of the respiratory tract and skin. Research published in journals like *Antimicrobial Agents and Chemotherapy* and *The Journal of Immunology* has consistently demonstrated that the bioactive form of vitamin D, 1,25D, is a powerful inducer of these antimicrobial peptides.Vitamin D modulates expression of antimicrobial peptides ... This mechanism explains, in part, the observed "antibiotic" effect of vitamin D.

The vitamin D3-mediated regulation of the antimicrobial peptides CAMP and DEFB4 is considered evolutionarily important for innate immunity. Studies have shown that vitamin D analogs like calcipotriol have antipsoriatic effects and may achieve this by modulating AMP expressionCombating Bacterial Infections with Vitamin D-Induced .... This suggests a broader therapeutic potential for vitamin D and its derivatives in managing inflammatory and infectious conditions.

Furthermore, the research indicates that vitamin D can reduce viral infections through several mechanisms, including the induction of these vital antimicrobial peptides. For instance, Vitamin D up-regulated the expression of antimicrobial peptides, such as LL-37, which has been shown to inhibit Zika virus infection and replication in macrophages. The antimicrobial peptide LL-37, in particular, is a key playerRole of vitamin D in the enhancement of antimicrobial .... Vitamin D, which increases LL-37 production in macrophages, contributes significantly to the body's defense against pathogens. The vitamin D-Cathelicidin axis is therefore a critical component of our innate defense against intracellular microorganisms.

The antimicrobial properties of vitamin D extend to both Gram-positive and Gram-negative bacterial species. Vitamin D stimulates the development of robust AMPs that are essential for protecting against microbial infections.UV-B–triggered induction of vitamin D3 metabolism ... These distinct antimicrobial peptides act as the vanguards of innate immune responses, serving as crucial innate immune effectors with significant anti-biofilm activity. The ability of vitamin D to induce cathelicidin in the urinary bladder, for example, highlights its localized protective roles.

While the primary focus is often on bacterial infections, the role of vitamin D in modulating the immune response is comprehensive. PTH/PTHrP is immunologically active and can complement vitamin D's role in boosting innate immunity, potentially compensating for low vitamin D status. The evidence connecting vitamin D to allergic diseases, including AD, allergic rhinitis, food allergies, and asthma, further underscores its broad immunomodulatory influence.

In summary, the interplay between vitamin D and antimicrobial peptides represents a cornerstone of our innate immune defense. By stimulating the production of potent molecules like cathelicidin and LL-37, vitamin D equips our bodies to effectively combat a wide array of pathogens, offering a natural and powerful shield against infection.作者：NS Akimbekov·2026—Antimicrobial peptides (AMPs), especially those induced by vitamin D,have emerged as promising innate immune effectors with significant anti-biofilm activity. Understanding this dynamic relationship provides valuable insights into maintaining robust health and preventing disease.