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Revista de Osteoporosis y Metabolismo Mineral
versão On-line ISSN 2173-2345versão impressa ISSN 1889-836X
Resumo
DELGADO-CALLE, J.; PEREZ-CAMPO, F.M. e RIANCHO, J.A.. Advances in the study of the mechanisms involved in the modulation of the expression of sclerostin in human cells. Rev Osteoporos Metab Miner [online]. 2014, vol.6, n.4, pp.103-108. ISSN 2173-2345. https://dx.doi.org/10.4321/S1889-836X2014000400006.
Sclerostin plays an important role in the regulation of bone metabolism, as is shown in the dramatic changes in bone mass which occur when its activity is inhibited by means of monoclonal antibodies. However, the mechanisms which regulate its expression are still not well-understood. Various studies have shown an association between polymorphisms of the SOST gene promoter (which codes for sclerostin) and bone mineral density. Also, the degree of methylation of a CpG island near the start of the transcription is associated with marked changes in the expression of the gene. Therefore, it appears that the production of sclerostin is influenced by both genetic and epigenetic mechanisms, in addition to other hormonal and mechanical factors. A greater knowledge of these mechanisms would not only contribute to a better understanding of bone biology, but could open up new therapeutic opportunities.
Palavras-chave : sclerostin; SOST; methylation; epigenetic.