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Angiogenesis inhibitor attenuates parathyroid hormone-induced anabolic effect.

Authors
 Yumie Rhee  ;  So Young Park  ;  Yoo Mee Kim  ;  Sihoon Lee  ;  Sung-Kil Lim 
Citation
 BIOMEDICINE & PHARMACOTHERAPY, Vol.63(1) : 63-68, 2009 
Journal Title
 BIOMEDICINE & PHARMACOTHERAPY 
ISSN
 0753-3322 
Issue Date
2009
MeSH
Angiogenesis Inhibitors/pharmacology* ; Animals ; Body Weight ; Bone Density ; Bone and Bones/drug effects* ; Bone and Bones/metabolism ; Cinnamates/pharmacology* ; Cyclohexanes/pharmacology* ; Epoxy Compounds/pharmacology* ; Female ; Parathyroid Hormone/antagonists & inhibitors* ; Parathyroid Hormone/pharmacology* ; Rats ; Rats, Sprague-Dawley ; Sesquiterpenes/pharmacology*
Keywords
Parathyroid hormone ; Angiogenesis inhibitor ; Bone strength ; Bone formation
Abstract
In vivo osteogenic responses to anabolic stimuli are expected to be accompanied by angiogenesis as well as in the process of remodeling of bone. Consequently, angiogenesis might play an important role in mediating bone forming stimulating effect of parathyroid hormone (PTH). To investigate this relationship, we used actively growing young Sprague-Dawley rats and CKD-732, one of the angiogenesis inhibitor (AI) to reveal the relationship of angiogenesis in the effect of PTH. The groups were divided as (1) vehicle [VEH group], (2) PTH(1-84) [PTH group], (3) AI alone [AI group], (4) PTH(1-84)+AI concomitance [PTH-AI group] and were treated for 6 weeks. The bone mineral density (BMD) of PTH group was higher than VEH group and the gain of bone mass was attenuated in PTH-AI group. The maximal failure load in PTH group was higher than VEH group, but it was definitely attenuated by concurrent use of AI. Moreover, the toughness showed similar significant deterioration in PTH-AI group. General bone turnover was also significantly decreased in PTH-AI group as shown by the absence of increase in osteocalcin and beta-crosslaps and by decrease in metaphyseal length. The BMD or the biomechanic data of AI only group were similar to the VEH group, suggesting the minimal effect of AI itself on the normal modeling phase of the growing rats. In conclusion, the angiogenesis seemed to contribute to completing the anabolic effect of PTH especially for bone strength.
Full Text
http://www.sciencedirect.com/science/article/pii/S0753332207002302
DOI
10.1016/j.biopha.2007.10.013
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Si Hoon(이시훈)
Rhee, Yumie(이유미) ORCID logo https://orcid.org/0000-0003-4227-5638
Lim, Sung Kil(임승길)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/105058
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