Lack of Vitamin D Receptor Causes Dysbiosis and Changes the Functions of the Murine Intestinal Microbiome

Dapeng Jin, Shaoping Wu, Yong Guo Zhang, Rong Lu, Yinglin Xia, Hui Dong, Jun Sun

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

Purpose The microbiome modulates numerous aspects of human physiology and is a crucial factor in the development of various human diseases. Vitamin D deficiency and downregulation of the vitamin D receptor (VDR) are also associated with the pathogenesis of diseases such as inflammatory bowel disease, cancers, obesity, diabetes, and asthma. VDR is a nuclear receptor that regulates the expression of antimicrobial peptides and autophagy regulator ATG16L1. Vitamin D may promote a balanced intestinal microbiome and improve glucose homeostasis in diabetes. However, how VDR regulates microbiome is not well known. In the current study, we hypothesize that VDR status regulates the composition and functions of the intestinal bacterial community. Methods Fecal and cecal stool samples were harvested from Vdr knockout (Vdr-/-) and wild-type mice for bacterial DNA and then sequenced with 454 pyrosequencing. The sequences were denoised and clustered into operational taxonomic units, then queried against the National Center for Biotechnology Information database. Metagenomics were analyzed, and the abundances of genes involved in metabolic pathways were compared by reference to the Kyoto Encyclopedia of Genes and Genomes and Clusters of Orthologous Groups databases. Findings In the Vdr-/- mice, Lactobacillus was depleted in the fecal stool, whereas Clostridium and Bacteroides were enriched. Bacterial taxa along the Sphingobacteria-to-Sphingobacteriaceae lineage were enriched, but no genera reached statistical significance. In the cecal stool, Alistipes and Odoribacter were depleted, and Eggerthella was enriched. Notably, all of the taxa upstream of Eggerthella remained unchanged. A comparison of Vdr-/- and wild-type samples revealed 40 (26 enriched, 14 depleted) and 72 (41 enriched, 31 depleted) functional modules that were significantly altered in the cecal and fecal microbiomes, respectively (both, P < 0.05), due to the loss of Vdr. In addition to phylogenetic differences in gut microbiome with different intestinal origins, we identify several important pathways, such as nucleotide-binding oligomerization domain-like receptor, affected by Vdr status, including amino acid, carbohydrate, and fatty acid synthesis and metabolism, detoxification, infections, signal transduction, and cancer and other diseases. Implications Our study fills knowledge gaps by having investigated the microbial profile affected by VDR. Insights from our findings can be exploited to develop novel strategies to treat or prevent various diseases by restoring VDR function and healthy microbe-host interactions.

Original languageEnglish (US)
Pages (from-to)996-1009.e7
JournalClinical Therapeutics
Volume37
Issue number5
DOIs
StatePublished - Jun 3 2015

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Dysbiosis
Calcitriol Receptors
Microbiota
Sphingobacterium
Databases
Encyclopedias
Information Centers
Metagenomics
Bacterial DNA
Bacteroides
Vitamin D Deficiency
Clostridium
Autophagy
Human Development
Lactobacillus
Cytoplasmic and Nuclear Receptors
Biotechnology
Multigene Family
Metabolic Networks and Pathways
Inflammatory Bowel Diseases

Keywords

  • Bacteroides
  • Clostridium
  • NOD-like receptor
  • dysbiosis
  • immunity
  • inflammation
  • intestine
  • microbiome
  • vitamin D
  • vitamin D receptor

Cite this

Lack of Vitamin D Receptor Causes Dysbiosis and Changes the Functions of the Murine Intestinal Microbiome. / Jin, Dapeng; Wu, Shaoping; Zhang, Yong Guo; Lu, Rong; Xia, Yinglin; Dong, Hui; Sun, Jun.

In: Clinical Therapeutics, Vol. 37, No. 5, 03.06.2015, p. 996-1009.e7.

Research output: Contribution to journalArticle

Jin, Dapeng ; Wu, Shaoping ; Zhang, Yong Guo ; Lu, Rong ; Xia, Yinglin ; Dong, Hui ; Sun, Jun. / Lack of Vitamin D Receptor Causes Dysbiosis and Changes the Functions of the Murine Intestinal Microbiome. In: Clinical Therapeutics. 2015 ; Vol. 37, No. 5. pp. 996-1009.e7.
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