Related Experiment Video
Updated: May 28, 2026

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
Published on: May 31, 2016
Hyaluronan Regulates Vascular Smooth Muscle Cell Osteogenic Differentiation and Vascular Calcification
Shrea Roy1, Jamie Kane2,3, Irina Grigorieva1
1Wales Kidney Research Unit, Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK.
Hyaluronan (HA) regulates vascular calcification by influencing vascular smooth muscle cell (VSMC) differentiation. Targeting HA pathways offers a novel therapeutic strategy for preventing arterial calcification and cardiovascular mortality.
Area of Science:
- Biomedical Science
- Cardiovascular Research
- Cell Biology
Background:
- Vascular calcification is a significant risk factor for cardiovascular mortality.
- Vascular smooth muscle cell (VSMC) osteogenic differentiation drives calcification.
- Current treatments for vascular calcification are limited.
Purpose of the Study:
- To investigate the role of Hyaluronan (HA) in VSMC osteogenic differentiation.
- To explore HA as a potential therapeutic target for arterial calcification.
Main Methods:
- Human aortic VSMCs were treated with high phosphate and/or cytokines (IL6, TGF-β1).
- Gene and protein expression of HA-related molecules and osteogenic markers were analyzed.
- An in vivo mouse model of arterial calcification was utilized.
- Pharmacological and genetic manipulations of HA synthesis and degradation were performed.
Main Results:
- High phosphate/cytokine stimulation induced VSMC osteogenic differentiation, reduced HA deposition, and altered expression of HA synthases, hyaluronidases, and binding proteins.
- Similar changes were observed in a mouse model of arterial calcification.
- Modulating HA synthesis/degradation impacted VSMC osteogenic differentiation.
Conclusions:
- Hyaluronan (HA) and its associated proteins are key regulators of VSMC osteogenic differentiation and arterial calcification.
- HA represents a novel therapeutic target for treating vascular calcification.
Related Concept Videos
Regulation of Angiogenesis and Blood Supply
Glycosaminoglycans
GAGS are found in the extracellular matrix of vertebrates, invertebrates, and bacteria. Due to their polar nature they attract water, and serve as excellent lubricants or shock absorbers in an animal body.
Hyaluronic...
Growth of Cartilage and Bone Tissue
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...
Bone Remodeling
Bone Cells and Tissue
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...

