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2017 ; 96
(ä): 45-50
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Sclerostin expression and functions beyond the osteocyte
#MMPMID27888056
Weivoda MM
; Youssef SJ
; Oursler MJ
Bone
2017[Mar]; 96
(ä): 45-50
PMID27888056
show ga
Sclerostin, the product of the SOST gene, is a secreted inhibitor of Wnt
signaling that is produced by osteocytes to regulate bone formation. While it is
often considered an osteocyte-specific protein, SOST expression has been reported
in numerous other cell types, including hypertrophic chondrocytes and
cementocytes. Of interest, SOST/sclerostin expression is altered in certain
pathogenic conditions, including osteoarthritis and rheumatic joint disease, and
it is unclear whether sclerostin plays a protective role or whether sclerostin
may mediate disease pathogenesis. Therefore, as anti-sclerostin antibodies are
being developed for the treatment of osteoporosis, it is important to understand
the functions of sclerostin beyond the regulation of bone formation.