Transcriptomics

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Gene expression profiling during RANKL-mediated osteoclast differentiation


ABSTRACT: The hexosamine biosynthetic pathway (HBP) is a pathway that requires glucose using approximately 3% ~ 5% of total glucose coming into cells. HBP synthesizes UDP-GlcNAc using not only glucose but also various metabolic products such as those amino acid, fatty acid and nucleotide. O-GlcNAcylation by Ogt is considered the act as a nutrient sensor because the amount of UDP-GlcNAc is influenced by various metabolites. Therefore, when the balance of O-glcnacylation is broken, it induces diseases such as cancer or neurological diseases or affects the differentiation of cells.  Bone homeostasis is regulated by osteoblasts that produce bone and osteoclasts that resorb bone. Disruption of this balance leads to diseases such as osteoporosis. Previous studies reported that osteoblast differentiation was inhibited by excessive O-GlcNAcylation. Increased o-glcnacylation of runx2 induced bone homeostasis imbalance by reducing the transcriptional activity of runx2 and mRNA expression of the target gene of runx2 involved in osteoblast differentiation. However, how O-GlcNAcylation regulates differentiation of osteoclast remains unclear. So, the goals of our study are to describe expression changes in genes expression associated with O-GlcNAcylation during RNAKL-mediated osteoclast differentiation.

ORGANISM(S): Mus musculus

PROVIDER: GSE176265 | GEO | 2021/06/08

REPOSITORIES: GEO

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