Related Experiment Video
Updated: Jul 18, 2025

Labeling of Extracellular Vesicles for Monitoring Migration and Uptake in Cartilage Explants
Published on: October 4, 2021
Extracellular Vesicles in Bone Remodeling and Osteoporosis
Marina Chaves de Oliveira1, Joyce Elisa Heredia1, Francine Rafaela Fernandes da Silva1
1Immunometabolism, Department of Nutrition, Nursing School, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
Extracellular vesicles (EVs) show promise in understanding and treating osteoporosis by regulating bone remodeling. Further research is needed to explore their full potential as biomarkers and therapeutic agents in patients.
Area of Science:
- Biomedical Science
- Cell Biology
- Orthopedics
Background:
- Osteoporosis is a bone disorder causing mass loss and fractures due to impaired bone remodeling by resident bone cells.
- Extracellular vesicles (EVs) are nanoparticles involved in cellular communication and are emerging as potential biomarkers for bone loss.
Purpose of the Study:
- To review recent advances in the role of EVs in regulating bone remodeling.
- To summarize the impact of EV components (proteins, miRNAs) on osteoporosis progression and treatment.
- To discuss the clinical applications of EVs as biomarkers and therapeutic agents for bone loss.
Main Methods:
- Literature review of recent studies on EVs and bone loss.
- Analysis of the role of EV components (proteins, miRNAs) in bone remodeling.
- Discussion of current research limitations and future directions in patient-based studies.
Main Results:
- EVs contain proteins and miRNAs that significantly regulate bone remodeling processes.
- EVs are implicated in the pathogenesis and progression of osteoporosis.
- Current research is limited, especially concerning studies involving patients.
Conclusions:
- EVs represent a promising area for understanding osteoporosis mechanisms.
- EVs hold potential as diagnostic biomarkers and therapeutic strategies for bone loss.
- Further exploration, particularly in clinical settings, is essential to harness the full potential of EVs in osteoporosis management.
Related Concept Videos
Osteoclasts in Bone Remodeling
Bone Remodeling
Overview of Exosomes
Stahl et al. discovered exosomes in 1983, but the exosomes were initially considered waste products released from the...
The Extracellular Matrix
Role of Vitamins in Maintaining Bone Health
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
Hormones and Bone Tissue
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...

