Abstract：
:Paget's disease is the most exaggerated example of bone remodeling in which abnormal osteoclastic bone resorption remains coupled to new bone formation. There are abnormalities in the stages of osteoclast development, and studies in Paget's disease have suggested a major role for IL-6 in human osteoclast activity. The pathophysiologic basis for these abnormalities is not clearly defined, except that the primary cellular abnormality resides in the osteoclast. Many important questions about the pathophysiology of Paget's disease still remain to be answered, including: (1) What is the identity of the virus in pagetic osteoclasts?; (2) Are Paget's patients in different geographical locales harboring a similar virus in their osteoclasts, or can different paramyxoviruses induce Paget's disease?; (3) How is the virus maintained and propagated for many years, so that it can be expressed in the osteoclast, a cell with a finite lifespan?; and (4) Since Paget's disease has a very high familial tendency, with up to 40% of patients having an affected relative, what is the genetic locus associated with Paget's disease, and does this genotype result in an increased propensity for hematopoietic cells such as the osteoclast to harbor paramyxoviruses? The application of the techniques of molecular and cell biology to Paget's disease should provide answers to some of these questions and give important insights into the normal bone remodeling process.
journal_name
Bonejournal_title
Boneauthors
Roodman GDdoi
10.1016/8756-3282(96)00211-6subject
Has Abstractpub_date
1996-09-01 00:00:00pages
209-12issue
3eissn
8756-3282issn
1873-2763pii
8756328296002116journal_volume
19pub_type
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