New research highlights that dietary vitamin D can modulate the gut microbiome in mice, thereby increasing the effectiveness of cancer immunotherapy. This finding suggests that vitamin D levels are important for cancer treatment and immune efficacy.
Study finds that vitamin D promotes intestinal health and cancer treatment success in mice, pointing to a new avenue to enhance immunotherapy.
A recent study in mice revealed that dietary vitamin D can modulate the gut microbiome and thereby enhance response to cancer immunotherapy. This study reveals the complex relationship between vitamin D and the immune system’s response to cancer, which is mediated by gut bacteria. This suggests that vitamin D levels may be an important factor determining the efficacy of cancer immunity and the success of immunotherapy treatments.
Vitamin D plays an important role not only in the formation of the intestinal microbiota, but also in immune regulation. Research has shown that micronutrients are associated with both lower tumor incidence and lower mortality rates in some types of cancer, as well as improved response to immune checkpoint inhibitor (ICI) treatment. The role of micronutrients in immunity has also been investigated. However, it remains unclear how vitamin D activity influences the success of cancer immunotherapy and whether this effect involves the immune system or microbiome.
Research results and implications
Through genetic and dietary manipulation in mice, Evangelos Giampazolias and colleagues found that increased bioavailability of vitamin D led to changes in the microbiome that were favorable. Bacteroides fragilis – Anaerobic Gram-negative bacteria found in humans and mice.According to Giampasorias other.increase of B. fragilis Enhanced resistance to immune-mediated cancers, including resistance to melanoma development and improved response to ICIs.
Furthermore, the authors found that this increased anti-cancer immunity could be transferred to other mice by fecal transplantation. Although it is Jumpazoria, other. Although an association between vitamin D activity and reduced cancer incidence in humans has been demonstrated, the authors investigated the interaction between vitamin D availability and dietary supplementation with the microbiome and immunity against cancer. They point out that longitudinal studies in humans are needed to elucidate the issue.
Future research directions
“The work of Giampasorias et al. highlights the important role of diet in the design of microbial therapies,” Fabian Franco and Cathy McCoy write in a related Perspective. “Future research will help reveal how microorganisms can be used in combination with dietary therapy to maximize the potential of ICI treatment.”
For more information about this study, see Uncovering the Hidden Role of Vitamin D in Cancer Immunity.
Reference: “Vitamin D regulates microbiome-dependent cancer immunity” Evangelos Giampazolias, Mariana Pereira da Costa, Khiem C. Lam, Kok Haw Jonathan Lim, Ana Cardoso, Cécile Piot, Probir Chakravarty, Sonja Blasche, Swara Patel , Adi Biram, Tomas Castro-Dopico, Michael D. Buck, Richard R. Rodriguez, Gri Jules Poulsen, Susana A. Palma-Duran, Neil C. Rogers, Maria A. Kufaki, Carlos M. Minutti, Pembo Wang, Alexander Vdobin, Bruno Frederico, Eleanor Childs, Sonia Lee, Ben Simpson, Andrea Izeppong, Sara Omenetti, Gavin Kelly, Robert Goldstone, Emma Nye, Alejandro Suarez-Bonnet, Simon L. Priestnall, James I. McRae, Santiago Zelenay, Kiran Raosaheb Patil, Kevin Litchfield, James C. Lee, Tyne Jess, Romina S. Goldschmid, Caetano Reis e Souza, April 25, 2024 science.
DOI: 10.1126/science.adh7954
