Int J Oral Biol.  2019 Mar;44(1):1-7. 10.11620/IJOB.2019.44.1.1.

Biological characteristics of osteoporosis drugs: the effect of osteoblast–osteoclast coupling

Affiliations
  • 1Department of Oral Biology, Yonsei University College of Dentistry, Seoul 03722, Republic of Korea. sjkim0610@yuhs.ac

Abstract

Osteoporosis is a common disease characterized by bone mass reduction, leading to an increased risk of bone fracture, and it is caused by an imbalance of osteoblastic bone formation and osteoclastic bone resorption. Current osteoporosis drugs aim to reduce the risk of bone fracture, either by increasing osteoblastic bone formation or decreasing osteoclastic bone resorption. However, osteoblasts and osteoclasts are closely coupled, such that any reagent altering the differentiation or activity of one eventually affects the other. This tight coupling between osteoblasts and osteoclasts not only limits the therapeutic efficacy but also threatens the safety of osteoporosis drugs. This review will discuss the biological mechanisms of action of currently approved medications for osteoporosis treatment, focusing on the osteoblast-osteoclast coupling.

Keyword

Osteoporosis; Medications; Osteoblast; Osteoclast; Bone

MeSH Terms

Bone Resorption
Fractures, Bone
Osteoblasts
Osteoclasts
Osteogenesis
Osteoporosis*
Population Characteristics*
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