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The Significance Of Cell-Surface Α2,3-Linked Sialic Acid In Osteoclasts, Christopher S. Harding
The Significance Of Cell-Surface Α2,3-Linked Sialic Acid In Osteoclasts, Christopher S. Harding
EWU Masters Thesis Collection
Osteoclasts are giant, multinucleated cells that, alongside osteoblasts, are central to maintaining physiologically healthy bone. The functions of osteoclasts and osteoblasts-degrading and depositing bone matrix, respectively-are paired in healthy bone tissue, thereby yielding no net bone loss or deposition. When these functions become imbalanced, it results in net bone loss or gain, depending on which cell type is being outcompeted. Osteoporosis is one of the most common pathologies stemming from such an imbalance, and predominantly affects postmenopausal women, as the ablation of circulating estrogen-a pro-death signal for osteoclasts-causes a prolongation of osteoclast lifespan and consequent lengthening of their resorptive activity. …