Changes in the Expression of Insulin-like Growth Factor II/Mannose-6-phosphate Receptor during Endochondral Bone Development

Y. M. Yu; M. M. Sklar; S. P. Nissley; A Hari Reddi

doi:10.1006/bbrc.1993.2076

Changes in the Expression of Insulin-like Growth Factor II/Mannose-6-phosphate Receptor during Endochondral Bone Development

Y. M. Yu, M. M. Sklar, S. P. Nissley, A Hari Reddi

Research output: Contribution to journal › Article › peer-review

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Abstract

Endochondral bone development can be induced by subcutaneous implantation of demineralized bone matrix (DBM) in rats. We used this in vivo model to study the relationship between endochondral bone formation and expression of IGF-II/M-6-P receptor, a multifunctional protein which binds not only IGF-II, but also lysosomal enzyme bearing mannose-6-phosphate motif. We found that IGF-II/M-6-P receptor was present in implants from day 1 to day 21; the highest levels were expressed on day 11 during bone differentiation. IGF-II/M-6-P receptor mRNA content was highest on day 9. We conclude from these data that IGF-II/M-6-P receptor expression is developmentally regulated during endochondral bone formation. This regulation occurs in part at the level of IGF-II/M-6-P receptor mRNA. The relatively high level of IGF-II/M-6-P receptor during ossification suggests that this receptor might play a role in bone formation and remodeling.

Original language	English (US)
Pages (from-to)	516-524
Number of pages	9
Journal	Biochemical and Biophysical Research Communications
Volume	195
Issue number	2
DOIs	https://doi.org/10.1006/bbrc.1993.2076
State	Published - Sep 15 1993
Externally published	Yes

ASJC Scopus subject areas

Molecular Biology
Biophysics
Biochemistry

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title = "Changes in the Expression of Insulin-like Growth Factor II/Mannose-6-phosphate Receptor during Endochondral Bone Development",

abstract = "Endochondral bone development can be induced by subcutaneous implantation of demineralized bone matrix (DBM) in rats. We used this in vivo model to study the relationship between endochondral bone formation and expression of IGF-II/M-6-P receptor, a multifunctional protein which binds not only IGF-II, but also lysosomal enzyme bearing mannose-6-phosphate motif. We found that IGF-II/M-6-P receptor was present in implants from day 1 to day 21; the highest levels were expressed on day 11 during bone differentiation. IGF-II/M-6-P receptor mRNA content was highest on day 9. We conclude from these data that IGF-II/M-6-P receptor expression is developmentally regulated during endochondral bone formation. This regulation occurs in part at the level of IGF-II/M-6-P receptor mRNA. The relatively high level of IGF-II/M-6-P receptor during ossification suggests that this receptor might play a role in bone formation and remodeling.",

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AU - Yu, Y. M.

AU - Sklar, M. M.

AU - Nissley, S. P.

AU - Reddi, A Hari

PY - 1993/9/15

Y1 - 1993/9/15

N2 - Endochondral bone development can be induced by subcutaneous implantation of demineralized bone matrix (DBM) in rats. We used this in vivo model to study the relationship between endochondral bone formation and expression of IGF-II/M-6-P receptor, a multifunctional protein which binds not only IGF-II, but also lysosomal enzyme bearing mannose-6-phosphate motif. We found that IGF-II/M-6-P receptor was present in implants from day 1 to day 21; the highest levels were expressed on day 11 during bone differentiation. IGF-II/M-6-P receptor mRNA content was highest on day 9. We conclude from these data that IGF-II/M-6-P receptor expression is developmentally regulated during endochondral bone formation. This regulation occurs in part at the level of IGF-II/M-6-P receptor mRNA. The relatively high level of IGF-II/M-6-P receptor during ossification suggests that this receptor might play a role in bone formation and remodeling.

AB - Endochondral bone development can be induced by subcutaneous implantation of demineralized bone matrix (DBM) in rats. We used this in vivo model to study the relationship between endochondral bone formation and expression of IGF-II/M-6-P receptor, a multifunctional protein which binds not only IGF-II, but also lysosomal enzyme bearing mannose-6-phosphate motif. We found that IGF-II/M-6-P receptor was present in implants from day 1 to day 21; the highest levels were expressed on day 11 during bone differentiation. IGF-II/M-6-P receptor mRNA content was highest on day 9. We conclude from these data that IGF-II/M-6-P receptor expression is developmentally regulated during endochondral bone formation. This regulation occurs in part at the level of IGF-II/M-6-P receptor mRNA. The relatively high level of IGF-II/M-6-P receptor during ossification suggests that this receptor might play a role in bone formation and remodeling.

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Changes in the Expression of Insulin-like Growth Factor II/Mannose-6-phosphate Receptor during Endochondral Bone Development

Abstract

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