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Evaluation of potential role of vitamin C in differential skeletal development between female and male mice using a mouse model
BMC Bioinformatics volume 13, Article number: A18 (2012)
Background
In humans, gender difference has been suggested by previous studies. Sex difference in vitamin C requirements have also been reported from animal models. Mouse spontaneous fracture model (sfx) lacks L-gulonolactone oxidase (LGO), an essential gene for the synthesis of ascorbic acid (Vitamin C). We have been using sfx model for the past eight years and we are the first group to identify the LGO mutation in this mouse model.
Materials and methods
In order to identify the genes that regulate skeletal development through Vitamin C (VC) pathway, we analyzed the gene expression profile in mouse femur. For microarray analysis, femur from three age-matched, wild-type +/+ Balb/By, inbred strain mice (WT) and 3 female and 3 male homozygous sfx/sfx mice were used.
Results
Myogenic factor 6 (Myf6) gene is differentially regulated by VC in male versus female femurs while Myf5 and Pax6 are almost undetectable in the mouse femur. Expression of Myf6 in female mice measured by DNA microarray experiment Myf6 is much down regulated. Myf6 is up regulated in femurs of male sfx mice. Myf6 is specifically expressed in skeletal system (femur) while in liver and kidney Myf6 is not expressed. There are sex differences in expression levels of collagen synthesis genes. There are sex differences between expression levels of hormone relevant genes. The differential expression of Myf6 was confirmed by real time PCR.
Conclusions
Vitamin C may differentially regulate myf6 and collagen expression in the skeletal development through sex hormones and relevant factors.
Acknowledgments
Support for this research is partially from the NIAAA (1R01 AA016342), NIH, the Veterans Administration Medical Center, and DNA Discovery Core, University of Tennessee, Memphis, Tennessee.
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Open Access This article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Jiao, Y., Ma, Y., Liu, X. et al. Evaluation of potential role of vitamin C in differential skeletal development between female and male mice using a mouse model. BMC Bioinformatics 13 (Suppl 12), A18 (2012). https://doi.org/10.1186/1471-2105-13-S12-A18
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DOI: https://doi.org/10.1186/1471-2105-13-S12-A18