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New molecules in the tumor necrosis factor ligand and receptor superfamilies with importance for physiological and pathological bone resorption
Umeå University, Faculty of Medicine, Department of Odontology, Oral Cell Biology.
2004 (English)In: Critical Reviews in Oral Biology and Medicine, ISSN 1045-4411, E-ISSN 1544-1113, Vol. 15, no 2, 64-81 p.Article, review/survey (Refereed) PublishedText
Abstract [en]

Osteoclasts are tissue-specific polykaryon bone-resorbing cells derived from the monocyte/macrophage hematopoietic lineage with specialized functions required for the adhesion of the cells to bone and the subsequent polarization of the cell membrane, secretion of acid to dissolve mineral crystals, and release of proteolytic enzymes to degrade the extracellular matrix proteins. Most pathological conditions in the skeleton lead to loss of bone due to excess osteoclastic bone resorption, including periodontal disease, rheumatoid arthritis, and osteoporosis. In rare cases, most of them genetic, patients with osteopetrosis exhibit sclerotic bone due either to a lack of osteoclasts or to non-functional osteoclasts. Mainly because of phenotypic findings in genetically manipulated mice or due to spontaneous mutations in humans, mice, and rats, several genes have been discovered as being crucial for osteoclast formation and activation. Recent breakthroughs in our understanding of osteoclast biology have revealed the critical roles in osteoclast differentiation played by RANKL, RANK, and OPG, three novel members of the tumor necrosis factor ligand and receptor superfamilies. The further study of these molecules and downstream signaling events are likely to provide a molecular basis for the development of new drugs for the treatment of diseases with excess or deficient osteoclastic bone resorption.

Place, publisher, year, edition, pages
Alexandria: International association for dental research (IADR) , 2004. Vol. 15, no 2, 64-81 p.
Keyword [en]
RANKL, OPG, osteoclasts, periodontal disease, osteopetrosis, osteoporosis
National Category
Dentistry Surgery
URN: urn:nbn:se:umu:diva-122174DOI: 10.1177/154411130401500202ISI: 000226792600001OAI: diva2:938992
Available from: 2016-06-17 Created: 2016-06-15 Last updated: 2016-06-17Bibliographically approved

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Lerner, Ulf H
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