Oxytocin stimulates proliferation of human osteoblast-like cells.

Abstract:

:Oxytocin receptors have recently been demonstrated in human osteoblast-like (hOB) cells. In this study, oxytocin 100-1000 pmol/l increased cell proliferation of primary cultures of hOB cells, measured by [3H]thymidine incorporation, (P<0.01). In human osteosarcoma cell-line (SaOS-2), oxytocin 100 pmol/l increased cell proliferation (measured by [3H]thymidine incorporation and a commercially available kit) and protein synthesis ([3H]proline incorporation) (P<0.05). The increase in cell proliferation was abolished when SaOS-2 cells were incubated with an oxytocin antagonist and oxytocin. Oxytocin 100 pmol/l decreased interleukin-6 (IL-6) production of the hOB cells (23.4+/-1.96 versus 33.4+/-2.65 pg/well; P<0.001). These findings indicate that oxytocin may affect bone metabolism in humans.

journal_name

Peptides

journal_title

Peptides

authors

Petersson M,Lagumdzija A,Stark A,Bucht E

doi

10.1016/s0196-9781(02)00041-4

subject

Has Abstract

pub_date

2002-06-01 00:00:00

pages

1121-6

issue

6

eissn

0196-9781

issn

1873-5169

pii

S0196978102000414

journal_volume

23

pub_type

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