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Cardiovascular disease and osteoporosis
V Baldini1, M Mastropasqua, C M Francucci
1Department of Clinical Sciences, University of Rome La Sapienza, Rome, Italy.
Insights
Cardiovascular disease (CVD) and osteoporosis (OP) share common risk factors and pathophysiological mechanisms. Understanding these links, including matrix proteins and estrogen
Area of Science:
- Biomedical science
- Public health
- Gerontology
Background:
- Cardiovascular disease (CVD) and osteoporosis (OP) are significant public health concerns with established epidemiological links.
- Reduced bone mineral density (BMD) and fractures are increasingly associated with CVD and cardiovascular mortality.
- Shared pathophysiological mechanisms and risk factors may underlie the co-occurrence of CVD and OP.
Purpose of the Study:
- To explore the intricate relationship between cardiovascular disease and osteoporosis.
- To identify common pathophysiological mechanisms, risk factors, and molecular determinants linking CVD and OP.
- To review the role of matrix proteins, hormonal factors (estrogen), and therapeutic agents in the interplay between CVD and OP.
Main Methods:
- Literature review and synthesis of existing epidemiological and clinical studies.
- Analysis of the roles of shared matrix proteins (e.g., type 1 collagen) in bone and vascular health.
- Examination of hormonal influences, particularly estrogen's impact on cytokines (IL-1, IL-6, TNF-alpha) and osteoprotegerin (OPG).
Main Results:
- Matrix proteins are crucial in both bone formation and atherosclerosis development.
- Estrogen deficiency exacerbates bone loss and atherogenesis by altering cytokine profiles and OPG levels.
- Certain drugs (bisphosphonates, statins, raloxifene) may exhibit overlapping cellular mechanisms affecting both bone and vascular systems.
Conclusions:
- CVD and OP are interconnected conditions influenced by common molecular pathways and risk factors.
- Further research is essential to elucidate the complex interactions and develop targeted therapeutic strategies.
- Understanding these links can lead to integrated approaches for managing patients with both cardiovascular and bone diseases.
Abstract:
Cardiovascular disease (CVD) and osteoporosis (OP) are public health problems with numerous epidemiological links and important economic consequences. Recent studies have demonstrated that CVD and cardiovascular mortality are associated with reduced bone mineral density (BMD) and bone fractures. These two conditions may be sustained by similar or common pathophysiological mechanisms and risk factors. There are several matrix proteins, such as type 1 collagen, proteoglycan, osteopontin, and osteonectin, which are found in bone and vascular matrix components. Matrix proteins play an important role both in bone formation and in the development of atherosclerosis. Estrogens also play a role in both CVD and OP through their effects on cytokines, such as IL-1, IL-6 and TNF-alpha and osteoprotegerin (OPG). The lack of estrogens induces an increase in these cytokines and a decrease in OPG, both implicated in the mechanisms of bone loss and atherogenesis. An additional link between CVD and OP seems to be related to the action of some drugs, such as bisphosphonates, statins and raloxifene. Several studies suggest that the mechanism of action of these drugs at cellular level may not be mutually exclusive, acting either in bone or in atherosclerotic plaque. However, further studies are necessary to define the relationship between CVD and OP more specifically and to understand the complex interaction of similar or common risk factors and genetic or molecular determinants.
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