Multiple genome analyses reveal key genes in Vitamin C and Vitamin D synthesis and transport pathways are shared

Author:

Dong Wei,Tian Cheng,Jiao Yan,Blackwell Savannah,Lou Ge,Postlethwaite Arnold,Gu Weikuan,Sun Dianjun

Abstract

AbstractVitamin C (VC) and vitamin D (VD) have been widely used as the dietary supplements and in treatment of diseases both independently and in combination. Whether there is a connection between their pathways is critical for their therapeutic applications. Using whole-genome expression profiles, we performed multiple measures of associations, networks, eQTL mappings and expressions of key genes of interest in VC and VD functions. Several key genes in their pathways were found to be associated. Gc and Rgn play important roles connecting VC and VD pathways in mice. The r values of expression levels between Gc and Rgn in mouse spleen, liver, lung, and kidney are 0.937, 0.558, 0.901, and 0.617, respectively. The expression QTLs of Gc and Rgn are mapped onto the same locations, i.e., 68–76 MB in chromosome 7 and 26–36 MB in chromosome 9. In humans, there are positive correlations between CYP27B1 and SLC23A1 expression levels in kidney (r = 0.733) and spleen (r = 0.424). SLC23A2 and RXRA are minimally associated in both mouse and human. These data indicate that pathways of VC and VD are not independent but affect each other, and this effect is different between mice and humans during VC and VD synthesis and transportation.

Funder

US department of Veterans Affairs

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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