Protease expression in giant cell tumour of bone: A comparative study on feline and human samples

Leonardo Leonardi, Irene Quattrini, Franco Roperto, Maria Serena Benassi

Research output: Contribution to journalArticle

Abstract

Human giant cell tumour of bone (GCTB) is a rare low grade of malignancy tumour with tendency to recur. During tumourigenesis the bone remodeling balance is subverted by the tumour cellular components that interacting with bone matrix induce release of growth factors and cytokines, promoting cell proliferation and bone resorption. The master regulators of this positive feed-back are acid and neutral proteases that destroying extracellular matrix increase osteolysis. In contrast, in cats, very few data are reported on GCTB biological activity. In this study, histological features and metalloproteinase (MMPs) and urokinase plasminogen activator system (uPA) expression were compared in human and feline GCTB and differences in distribution and intensity related to histological pattern and clinical behaviour were determined. In both species, the overexpression of these molecules suggested a strong and complex cross-talk between tumour and microenvironment.

Original languageEnglish
Pages (from-to)310-315
Number of pages6
JournalResearch in Veterinary Science
Volume95
Issue number2
DOIs
Publication statusPublished - Oct 2013

Fingerprint

Giant Cell Tumor of Bone
Felidae
giant cells
Peptide Hydrolases
proteinases
bones
cats
neoplasms
Neoplasms
Osteolysis
Bone Matrix
Tumor Microenvironment
Bone Remodeling
Plasminogen Activators
Urokinase-Type Plasminogen Activator
Metalloproteases
Bone Resorption
Matrix Metalloproteinases
sampling
Extracellular Matrix

Keywords

  • Bone matrix
  • Cats
  • Giant cell tumour
  • Humans
  • Immunohistochemistry
  • Proteinases

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Protease expression in giant cell tumour of bone : A comparative study on feline and human samples. / Leonardi, Leonardo; Quattrini, Irene; Roperto, Franco; Benassi, Maria Serena.

In: Research in Veterinary Science, Vol. 95, No. 2, 10.2013, p. 310-315.

Research output: Contribution to journalArticle

Leonardi, Leonardo ; Quattrini, Irene ; Roperto, Franco ; Benassi, Maria Serena. / Protease expression in giant cell tumour of bone : A comparative study on feline and human samples. In: Research in Veterinary Science. 2013 ; Vol. 95, No. 2. pp. 310-315.
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