In vitro synthesis of type I collagen: quantification of carboxyterminal propeptide of procollagen type I versus tritiated proline incorporation.

Abstract:

:Radioimmunoassay of the carboxyterminal propeptide of human type I procollagen has been recently introduced to measure in vitro synthesis of type I collagen by osteoblasts and fibroblasts. However, it has not been assessed whether the equivalent results are obtained with this new assay and with tritiated proline incorporation to collagen protein. To this purpose, both methods were used to quantify synthesis of type I collagen in normal human osteoblast cultures to which fetal calf serum and human serum were added in order to stimulate protein synthesis. A positive correlation in the results obtained by both methods was obtained (r = 0.95, P = 0.0001). Given the technical advantages of detection of levels to carboxyterminal propeptide of type I procollagen, we consider that this is the technique of choice for the quantification of in vitro synthesis of type I collagen by normal human osteoblasts.

journal_name

Calcif Tissue Int

authors

Nacher M,Serrano S,Mariñoso ML,García MC,Bosch J,Díez A,Lloreta J,Aubia J

doi

10.1007/s002239900607

subject

Has Abstract

pub_date

1999-03-01 00:00:00

pages

224-8

issue

3

eissn

0171-967X

issn

1432-0827

journal_volume

64

pub_type

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