The 7D4, 4C3 and 3B3 (-) Chondroitin Sulphation Motifs are expressed at Sites of Cartilage and Bone Morphogenesis during Foetal Human Knee Joint Development

James Melrose^1,2,3*, Susan M Smith¹, Clare E Hughes⁴, Christopher B Little^1,2, Bruce Caterson⁴ and Anthony J Hayes⁵

¹Raymond Purves Bone and Joint Research Laboratory, Kolling Institute Northern Sydney Local Health District, St. Leonards, New South Wales 2065, Australia

²Sydney Medical School Northern, The University of Sydney, Australia

³Graduate School of Biomedical Engineering, University of New South Wales, Kensington, New South Wales 2052, Australia

⁴Connective Tissue Biology Laboratories, School of Biosciences, Cardiff University, Cardiff, CF10 3US, Wales, UK

⁵Confocal Microscopy Unit, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3US, Wales, UK

^*Corresponding Author: James Melrose, Raymond Purves Bone and Joint Research Laboratory, Kolling Institute, Level 10 (B6), Royal North Shore Hospital, St. Leonards, New South Wales 2065, Australia, Tel: +61 2 9926 4806, Fax: + 61 2 9926 5266 Email: