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Papers in this group

1 - 20 of 408
  1. Osteocytes actively participate in almost every phase of mineral handling by bone. They regulate the mineralisation of osteoid during bone formation, and they are also a major RANKL-producing cell. Osteocytes are thus able to liberate bone mineral…
  2. Osteoblast-osteoclast coordination is critical in the maintenance of skeletal integrity. The modulation of osteoclastogenesis by immature cells of the osteoblastic lineage is mediated through receptor activator of NF kappa B (RANK), its ligand…
  3. The vitamin K family members phylloquinone (vitamin K1) and the menaquinones (vitamin K2) are under study for their roles in bone metabolism and as potential therapeutic agents for skeletal diseases. We have investigated the effects of two naturally…
  4. Osteoclast formation and bone resorption are multiple processes that involve the participation of specialized membrane structures and their associated proteins. In this study, we used an MS to analyze the profile of proteins associated with…
  5. The control of bone resorption is crucial in osteolytic diseases. Once attached to bone, osteoclasts (OCs) initiate the resorption process through the activation of a complex cascade of morphological and biochemical changes. Hyaluronan (HA), an…
  6. The application of native extracellular matrix (ECM) components is a promising approach for biomaterial design. Here, we investigated artificial ECM (aECM) consisting of collagen I (coll) and the glycosaminoglycans (GAGs) hyaluronan (HA) or…
  7. Glycosaminoglycans (GAG) and proteoglycans, which are components of the extracellular bone matrix, are also localized in and at the membrane of osteoblasts and in the pericellular matrix. Due to their interaction with several growth factors, water…
  8. Hundreds of millions of people worldwide are affected by bone-related diseases, such as osteoporosis and rheumatoid arthritis. Understanding the molecular mechanisms of bone metabolism is crucial for developing novel drugs for treating such…
  9. Osteoclasts resorb the mineralized matrices formed by chondrocytes or osteoblasts. The cytokine receptor activator of nuclear factor-κB ligand (RANKL) is essential for osteoclast formation and thought to be supplied by osteoblasts or their…
  10. Osteoclasts are members of the monocyte/macrophage lineage and are formed by cellular fusions from their mononuclear precursors. Their differentiation is regulated by a number of other cells and their products, especially by RANKL and M-CSF. The…
  11. As the skeleton ages, the balanced formation and resorption of normal bone remodeling is lost, and bone loss predominates. The osteoclast is the specialized cell that is responsible for bone resorption. It is a highly polarized cell that must adhere…
  12. We walk, run, work and play, paying little attention to our bones, their joints and their muscle connections, because the system works. Evolution has refined robust genetic mechanisms for skeletal development and growth that are able to direct the…
  13. Multinucleation is indispensable for the bone-resorbing activity of mature osteoclasts. Although multinucleation is evident in mature osteoclasts and certain other cell types, putative regulatory networks among nuclei remain poorly characterized. To…
  14. Interleukin-1 (IL-1) and tumor necrosis factor (TNF) mediate bone resorption in a variety of diseases affecting bone. Like TNF, IL-1 is secreted by osteoclast precursors (OCPs), but unlike TNF, it does not induce osteoclast formation directly from…

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